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8807.Recharge(10.19.22)(Full Report)
M1 - Watershed Area M3 - Dwelling RoofsM2 - Watershed Area 1AS Runoff into Catch Basins - M1 1BS Direct Runoff into Swale - M1 2AS Runoff into Catch Basins - M2 2BS Direct Runoff into Swale - M2 3S Roof Runoff (per Dwelling) 1AP Grassed Swale Leaching - M1 1AR CB (2) CB's in Pavement 1BP (1) 28'x14' Leaching Facility - (2) 6'x6' Leach Pits, 14' O.C. with stone around 2AP Grassed Swale Leaching - M2 2AR CB (7) CB's in Pavement 2BP (1) 70'x28' Leaching Facility - Two Rows of (5) 6'x6' Leach Pits, 14' O.C. with stone around 3P (2) 15.5' x 4.33' x 2.5' Leaching Facilities (per Dwelling) - Each with (2) Cultec Recharger 330XLHD Units (Stoneless) Routing Diagram for 8807.Recharge(10.19.22) Prepared by J.M. O'Reilly & Associates, Inc., Printed 10/24/2022 HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Subcat Reach Pond Link Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 2HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Subcatchment 1AS: Runoff into Catch Basins - M1 Runoff = 0.06 cfs @ 12.33 hrs, Volume= 0.012 af, Depth= 0.27" Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Type III 24-hr 2-year Rainfall=3.36" Area (sf) CN Description 6,290 98 Paved parking, HSG A 15,140 39 >75% Grass cover, Good, HSG A 2,500 36 Woods, Fair, HSG A 23,930 54 Weighted Average 17,640 73.72% Pervious Area 6,290 26.28% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.2 50 0.0600 0.16 Sheet Flow, Grass: Dense n= 0.240 P2= 3.36" 0.5 50 0.0600 1.71 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 0.3 60 0.0300 3.52 Shallow Concentrated Flow, Paved Kv= 20.3 fps 6.0 160 Total Subcatchment 1AS: Runoff into Catch Basins - M1 Runoff Hydrograph Time (hours) 26242220181614121086420Flow (cfs)0.065 0.06 0.055 0.05 0.045 0.04 0.035 0.03 0.025 0.02 0.015 0.01 0.005 0 Type III 24-hr 2-year Rainfall=3.36" Runoff Area=23,930 sf Runoff Volume=0.012 af Runoff Depth=0.27" Flow Length=160' Tc=6.0 min CN=54 0.06 cfs Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 3HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Subcatchment 1AS: Runoff into Catch Basins - M1 Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 0.00 0.00 0.00 0.00 0.30 0.01 0.00 0.00 0.60 0.02 0.00 0.00 0.90 0.03 0.00 0.00 1.20 0.04 0.00 0.00 1.50 0.05 0.00 0.00 1.80 0.06 0.00 0.00 2.10 0.07 0.00 0.00 2.40 0.08 0.00 0.00 2.70 0.09 0.00 0.00 3.00 0.10 0.00 0.00 3.30 0.12 0.00 0.00 3.60 0.13 0.00 0.00 3.90 0.14 0.00 0.00 4.20 0.15 0.00 0.00 4.50 0.17 0.00 0.00 4.80 0.18 0.00 0.00 5.10 0.20 0.00 0.00 5.40 0.21 0.00 0.00 5.70 0.23 0.00 0.00 6.00 0.24 0.00 0.00 6.30 0.26 0.00 0.00 6.60 0.28 0.00 0.00 6.90 0.30 0.00 0.00 7.20 0.32 0.00 0.00 7.50 0.34 0.00 0.00 7.80 0.37 0.00 0.00 8.10 0.39 0.00 0.00 8.40 0.42 0.00 0.00 8.70 0.45 0.00 0.00 9.00 0.49 0.00 0.00 9.30 0.53 0.00 0.00 9.60 0.57 0.00 0.00 9.90 0.62 0.00 0.00 10.20 0.67 0.00 0.00 10.50 0.73 0.00 0.00 10.80 0.79 0.00 0.00 11.10 0.87 0.00 0.00 11.40 0.96 0.00 0.00 11.70 1.14 0.00 0.00 12.00 1.68 0.00 0.00 12.30 2.22 0.03 0.06 12.60 2.40 0.05 0.03 12.90 2.49 0.07 0.03 13.20 2.57 0.08 0.02 13.50 2.63 0.09 0.02 13.80 2.69 0.10 0.02 14.10 2.74 0.11 0.02 14.40 2.79 0.12 0.02 14.70 2.83 0.13 0.02 15.00 2.87 0.14 0.02 15.30 2.91 0.15 0.02 Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 15.60 2.94 0.16 0.01 15.90 2.97 0.16 0.01 16.20 2.99 0.17 0.01 16.50 3.02 0.18 0.01 16.80 3.04 0.18 0.01 17.10 3.06 0.19 0.01 17.40 3.08 0.19 0.01 17.70 3.10 0.20 0.01 18.00 3.12 0.20 0.01 18.30 3.13 0.21 0.01 18.60 3.15 0.21 0.01 18.90 3.16 0.21 0.01 19.20 3.18 0.22 0.01 19.50 3.19 0.22 0.01 19.80 3.21 0.23 0.01 20.10 3.22 0.23 0.01 20.40 3.23 0.23 0.01 20.70 3.25 0.24 0.01 21.00 3.26 0.24 0.01 21.30 3.27 0.24 0.01 21.60 3.28 0.25 0.01 21.90 3.29 0.25 0.01 22.20 3.30 0.25 0.01 22.50 3.31 0.26 0.01 22.80 3.32 0.26 0.01 23.10 3.33 0.26 0.01 23.40 3.34 0.26 0.01 23.70 3.35 0.27 0.00 24.00 3.36 0.27 0.00 24.30 3.36 0.27 0.00 24.60 3.36 0.27 0.00 24.90 3.36 0.27 0.00 25.20 3.36 0.27 0.00 25.50 3.36 0.27 0.00 25.80 3.36 0.27 0.00 26.10 3.36 0.27 0.00 26.40 3.36 0.27 0.00 26.70 3.36 0.27 0.00 27.00 3.36 0.27 0.00 27.30 3.36 0.27 0.00 27.60 3.36 0.27 0.00 27.90 3.36 0.27 0.00 Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 4HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Subcatchment 1BS: Direct Runoff into Swale - M1 Runoff = 0.00 cfs @ 23.83 hrs, Volume= 0.000 af, Depth= 0.00" Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Type III 24-hr 2-year Rainfall=3.36" Area (sf) CN Description 7,973 39 >75% Grass cover, Good, HSG A 7,973 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, (minimum) 5.0 0 Total, Increased to minimum Tc = 6.0 min Subcatchment 1BS: Direct Runoff into Swale - M1 Runoff Hydrograph Time (hours) 26242220181614121086420Flow (cfs)0.000 0.000 0.000 0.000 0.000 0.000 0.000 0.000 0 0 0 0 0 0 0 0 0 0 Type III 24-hr 2-year Rainfall=3.36" Runoff Area=7,973 sf Runoff Volume=0.000 af Runoff Depth=0.00" Tc=6.0 min CN=39 0.00 cfs Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 5HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Subcatchment 1BS: Direct Runoff into Swale - M1 Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 0.00 0.00 0.00 0.00 0.30 0.01 0.00 0.00 0.60 0.02 0.00 0.00 0.90 0.03 0.00 0.00 1.20 0.04 0.00 0.00 1.50 0.05 0.00 0.00 1.80 0.06 0.00 0.00 2.10 0.07 0.00 0.00 2.40 0.08 0.00 0.00 2.70 0.09 0.00 0.00 3.00 0.10 0.00 0.00 3.30 0.12 0.00 0.00 3.60 0.13 0.00 0.00 3.90 0.14 0.00 0.00 4.20 0.15 0.00 0.00 4.50 0.17 0.00 0.00 4.80 0.18 0.00 0.00 5.10 0.20 0.00 0.00 5.40 0.21 0.00 0.00 5.70 0.23 0.00 0.00 6.00 0.24 0.00 0.00 6.30 0.26 0.00 0.00 6.60 0.28 0.00 0.00 6.90 0.30 0.00 0.00 7.20 0.32 0.00 0.00 7.50 0.34 0.00 0.00 7.80 0.37 0.00 0.00 8.10 0.39 0.00 0.00 8.40 0.42 0.00 0.00 8.70 0.45 0.00 0.00 9.00 0.49 0.00 0.00 9.30 0.53 0.00 0.00 9.60 0.57 0.00 0.00 9.90 0.62 0.00 0.00 10.20 0.67 0.00 0.00 10.50 0.73 0.00 0.00 10.80 0.79 0.00 0.00 11.10 0.87 0.00 0.00 11.40 0.96 0.00 0.00 11.70 1.14 0.00 0.00 12.00 1.68 0.00 0.00 12.30 2.22 0.00 0.00 12.60 2.40 0.00 0.00 12.90 2.49 0.00 0.00 13.20 2.57 0.00 0.00 13.50 2.63 0.00 0.00 13.80 2.69 0.00 0.00 14.10 2.74 0.00 0.00 14.40 2.79 0.00 0.00 14.70 2.83 0.00 0.00 15.00 2.87 0.00 0.00 15.30 2.91 0.00 0.00 Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 15.60 2.94 0.00 0.00 15.90 2.97 0.00 0.00 16.20 2.99 0.00 0.00 16.50 3.02 0.00 0.00 16.80 3.04 0.00 0.00 17.10 3.06 0.00 0.00 17.40 3.08 0.00 0.00 17.70 3.10 0.00 0.00 18.00 3.12 0.00 0.00 18.30 3.13 0.00 0.00 18.60 3.15 0.00 0.00 18.90 3.16 0.00 0.00 19.20 3.18 0.00 0.00 19.50 3.19 0.00 0.00 19.80 3.21 0.00 0.00 20.10 3.22 0.00 0.00 20.40 3.23 0.00 0.00 20.70 3.25 0.00 0.00 21.00 3.26 0.00 0.00 21.30 3.27 0.00 0.00 21.60 3.28 0.00 0.00 21.90 3.29 0.00 0.00 22.20 3.30 0.00 0.00 22.50 3.31 0.00 0.00 22.80 3.32 0.00 0.00 23.10 3.33 0.00 0.00 23.40 3.34 0.00 0.00 23.70 3.35 0.00 0.00 24.00 3.36 0.00 0.00 24.30 3.36 0.00 0.00 24.60 3.36 0.00 0.00 24.90 3.36 0.00 0.00 25.20 3.36 0.00 0.00 25.50 3.36 0.00 0.00 25.80 3.36 0.00 0.00 26.10 3.36 0.00 0.00 26.40 3.36 0.00 0.00 26.70 3.36 0.00 0.00 27.00 3.36 0.00 0.00 27.30 3.36 0.00 0.00 27.60 3.36 0.00 0.00 27.90 3.36 0.00 0.00 Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 6HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Subcatchment 2AS: Runoff into Catch Basins - M2 Runoff = 0.27 cfs @ 12.37 hrs, Volume= 0.058 af, Depth= 0.24" Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Type III 24-hr 2-year Rainfall=3.36" Area (sf) CN Description 32,244 98 Paved parking, HSG A 51,318 39 >75% Grass cover, Good, HSG A 42,245 36 Woods, Fair, HSG A 125,807 53 Weighted Average 93,563 74.37% Pervious Area 32,244 25.63% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.5 50 0.0500 0.15 Sheet Flow, Grass: Dense n= 0.240 P2= 3.36" 1.5 90 0.0200 0.99 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 0.4 130 0.0600 4.97 Shallow Concentrated Flow, Paved Kv= 20.3 fps 7.4 270 Total Subcatchment 2AS: Runoff into Catch Basins - M2 Runoff Hydrograph Time (hours) 26242220181614121086420Flow (cfs)0.28 0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 Type III 24-hr 2-year Rainfall=3.36" Runoff Area=125,807 sf Runoff Volume=0.058 af Runoff Depth=0.24" Flow Length=270' Tc=7.4 min CN=53 0.27 cfs Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 7HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Subcatchment 2AS: Runoff into Catch Basins - M2 Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 0.00 0.00 0.00 0.00 0.30 0.01 0.00 0.00 0.60 0.02 0.00 0.00 0.90 0.03 0.00 0.00 1.20 0.04 0.00 0.00 1.50 0.05 0.00 0.00 1.80 0.06 0.00 0.00 2.10 0.07 0.00 0.00 2.40 0.08 0.00 0.00 2.70 0.09 0.00 0.00 3.00 0.10 0.00 0.00 3.30 0.12 0.00 0.00 3.60 0.13 0.00 0.00 3.90 0.14 0.00 0.00 4.20 0.15 0.00 0.00 4.50 0.17 0.00 0.00 4.80 0.18 0.00 0.00 5.10 0.20 0.00 0.00 5.40 0.21 0.00 0.00 5.70 0.23 0.00 0.00 6.00 0.24 0.00 0.00 6.30 0.26 0.00 0.00 6.60 0.28 0.00 0.00 6.90 0.30 0.00 0.00 7.20 0.32 0.00 0.00 7.50 0.34 0.00 0.00 7.80 0.37 0.00 0.00 8.10 0.39 0.00 0.00 8.40 0.42 0.00 0.00 8.70 0.45 0.00 0.00 9.00 0.49 0.00 0.00 9.30 0.53 0.00 0.00 9.60 0.57 0.00 0.00 9.90 0.62 0.00 0.00 10.20 0.67 0.00 0.00 10.50 0.73 0.00 0.00 10.80 0.79 0.00 0.00 11.10 0.87 0.00 0.00 11.40 0.96 0.00 0.00 11.70 1.14 0.00 0.00 12.00 1.68 0.00 0.00 12.30 2.22 0.02 0.25 12.60 2.40 0.04 0.16 12.90 2.49 0.05 0.13 13.20 2.57 0.07 0.11 13.50 2.63 0.08 0.10 13.80 2.69 0.09 0.10 14.10 2.74 0.10 0.09 14.40 2.79 0.10 0.09 14.70 2.83 0.11 0.08 15.00 2.87 0.12 0.08 15.30 2.91 0.13 0.07 Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 15.60 2.94 0.14 0.07 15.90 2.97 0.14 0.06 16.20 2.99 0.15 0.06 16.50 3.02 0.15 0.05 16.80 3.04 0.16 0.05 17.10 3.06 0.16 0.05 17.40 3.08 0.17 0.05 17.70 3.10 0.17 0.04 18.00 3.12 0.18 0.04 18.30 3.13 0.18 0.04 18.60 3.15 0.18 0.04 18.90 3.16 0.19 0.04 19.20 3.18 0.19 0.04 19.50 3.19 0.20 0.03 19.80 3.21 0.20 0.03 20.10 3.22 0.20 0.03 20.40 3.23 0.21 0.03 20.70 3.25 0.21 0.03 21.00 3.26 0.21 0.03 21.30 3.27 0.22 0.03 21.60 3.28 0.22 0.03 21.90 3.29 0.22 0.03 22.20 3.30 0.22 0.03 22.50 3.31 0.23 0.03 22.80 3.32 0.23 0.03 23.10 3.33 0.23 0.03 23.40 3.34 0.24 0.03 23.70 3.35 0.24 0.02 24.00 3.36 0.24 0.02 24.30 3.36 0.24 0.00 24.60 3.36 0.24 0.00 24.90 3.36 0.24 0.00 25.20 3.36 0.24 0.00 25.50 3.36 0.24 0.00 25.80 3.36 0.24 0.00 26.10 3.36 0.24 0.00 26.40 3.36 0.24 0.00 26.70 3.36 0.24 0.00 27.00 3.36 0.24 0.00 27.30 3.36 0.24 0.00 27.60 3.36 0.24 0.00 27.90 3.36 0.24 0.00 Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 8HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Subcatchment 2BS: Direct Runoff into Swale - M2 Runoff = 0.00 cfs @ 17.07 hrs, Volume= 0.003 af, Depth= 0.02" Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Type III 24-hr 2-year Rainfall=3.36" Area (sf) CN Description 25,000 36 Woods, Fair, HSG A 24,058 39 >75% Grass cover, Good, HSG A 4,089 98 Paved parking, HSG A 53,147 42 Weighted Average 49,058 92.31% Pervious Area 4,089 7.69% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 3.5 50 0.1600 0.24 Sheet Flow, Grass: Dense n= 0.240 P2= 3.36" 2.8 330 0.0800 1.98 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 6.3 380 Total Subcatchment 2BS: Direct Runoff into Swale - M2 Runoff Hydrograph Time (hours) 26242220181614121086420Flow (cfs)0.004 0.004 0.004 0.003 0.003 0.003 0.003 0.003 0.002 0.002 0.002 0.002 0.002 0.001 0.001 0.001 0.001 0.001 0.000 0.000 0 Type III 24-hr 2-year Rainfall=3.36" Runoff Area=53,147 sf Runoff Volume=0.003 af Runoff Depth=0.02" Flow Length=380' Tc=6.3 min CN=42 0.00 cfs Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 9HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Subcatchment 2BS: Direct Runoff into Swale - M2 Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 0.00 0.00 0.00 0.00 0.30 0.01 0.00 0.00 0.60 0.02 0.00 0.00 0.90 0.03 0.00 0.00 1.20 0.04 0.00 0.00 1.50 0.05 0.00 0.00 1.80 0.06 0.00 0.00 2.10 0.07 0.00 0.00 2.40 0.08 0.00 0.00 2.70 0.09 0.00 0.00 3.00 0.10 0.00 0.00 3.30 0.12 0.00 0.00 3.60 0.13 0.00 0.00 3.90 0.14 0.00 0.00 4.20 0.15 0.00 0.00 4.50 0.17 0.00 0.00 4.80 0.18 0.00 0.00 5.10 0.20 0.00 0.00 5.40 0.21 0.00 0.00 5.70 0.23 0.00 0.00 6.00 0.24 0.00 0.00 6.30 0.26 0.00 0.00 6.60 0.28 0.00 0.00 6.90 0.30 0.00 0.00 7.20 0.32 0.00 0.00 7.50 0.34 0.00 0.00 7.80 0.37 0.00 0.00 8.10 0.39 0.00 0.00 8.40 0.42 0.00 0.00 8.70 0.45 0.00 0.00 9.00 0.49 0.00 0.00 9.30 0.53 0.00 0.00 9.60 0.57 0.00 0.00 9.90 0.62 0.00 0.00 10.20 0.67 0.00 0.00 10.50 0.73 0.00 0.00 10.80 0.79 0.00 0.00 11.10 0.87 0.00 0.00 11.40 0.96 0.00 0.00 11.70 1.14 0.00 0.00 12.00 1.68 0.00 0.00 12.30 2.22 0.00 0.00 12.60 2.40 0.00 0.00 12.90 2.49 0.00 0.00 13.20 2.57 0.00 0.00 13.50 2.63 0.00 0.00 13.80 2.69 0.00 0.00 14.10 2.74 0.00 0.00 14.40 2.79 0.00 0.00 14.70 2.83 0.00 0.00 15.00 2.87 0.00 0.00 15.30 2.91 0.00 0.00 Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 15.60 2.94 0.00 0.00 15.90 2.97 0.00 0.00 16.20 2.99 0.00 0.00 16.50 3.02 0.00 0.00 16.80 3.04 0.01 0.00 17.10 3.06 0.01 0.00 17.40 3.08 0.01 0.00 17.70 3.10 0.01 0.00 18.00 3.12 0.01 0.00 18.30 3.13 0.01 0.00 18.60 3.15 0.01 0.00 18.90 3.16 0.01 0.00 19.20 3.18 0.01 0.00 19.50 3.19 0.01 0.00 19.80 3.21 0.01 0.00 20.10 3.22 0.01 0.00 20.40 3.23 0.02 0.00 20.70 3.25 0.02 0.00 21.00 3.26 0.02 0.00 21.30 3.27 0.02 0.00 21.60 3.28 0.02 0.00 21.90 3.29 0.02 0.00 22.20 3.30 0.02 0.00 22.50 3.31 0.02 0.00 22.80 3.32 0.02 0.00 23.10 3.33 0.02 0.00 23.40 3.34 0.02 0.00 23.70 3.35 0.02 0.00 24.00 3.36 0.02 0.00 24.30 3.36 0.02 0.00 24.60 3.36 0.02 0.00 24.90 3.36 0.02 0.00 25.20 3.36 0.02 0.00 25.50 3.36 0.02 0.00 25.80 3.36 0.02 0.00 26.10 3.36 0.02 0.00 26.40 3.36 0.02 0.00 26.70 3.36 0.02 0.00 27.00 3.36 0.02 0.00 27.30 3.36 0.02 0.00 27.60 3.36 0.02 0.00 27.90 3.36 0.02 0.00 Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 10HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Subcatchment 3S: Roof Runoff (per Dwelling) Runoff = 0.10 cfs @ 12.08 hrs, Volume= 0.008 af, Depth= 3.13" Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Type III 24-hr 2-year Rainfall=3.36" Area (sf) CN Description 1,288 98 Roofs, HSG A 1,288 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 0.1 20 0.4000 3.33 Sheet Flow, Smooth surfaces n= 0.011 P2= 3.25" 0.1 20 Total, Increased to minimum Tc = 6.0 min Subcatchment 3S: Roof Runoff (per Dwelling) Runoff Hydrograph Time (hours) 26242220181614121086420Flow (cfs)0.105 0.1 0.095 0.09 0.085 0.08 0.075 0.07 0.065 0.06 0.055 0.05 0.045 0.04 0.035 0.03 0.025 0.02 0.015 0.01 0.005 0 Type III 24-hr 2-year Rainfall=3.36" Runoff Area=1,288 sf Runoff Volume=0.008 af Runoff Depth=3.13" Flow Length=20' Slope=0.4000 '/' Tc=6.0 min CN=98 0.10 cfs Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 11HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Subcatchment 3S: Roof Runoff (per Dwelling) Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 0.00 0.00 0.00 0.00 0.30 0.01 0.00 0.00 0.60 0.02 0.00 0.00 0.90 0.03 0.00 0.00 1.20 0.04 0.00 0.00 1.50 0.05 0.00 0.00 1.80 0.06 0.00 0.00 2.10 0.07 0.00 0.00 2.40 0.08 0.01 0.00 2.70 0.09 0.01 0.00 3.00 0.10 0.01 0.00 3.30 0.12 0.02 0.00 3.60 0.13 0.03 0.00 3.90 0.14 0.03 0.00 4.20 0.15 0.04 0.00 4.50 0.17 0.05 0.00 4.80 0.18 0.06 0.00 5.10 0.20 0.07 0.00 5.40 0.21 0.08 0.00 5.70 0.23 0.09 0.00 6.00 0.24 0.10 0.00 6.30 0.26 0.11 0.00 6.60 0.28 0.13 0.00 6.90 0.30 0.14 0.00 7.20 0.32 0.16 0.00 7.50 0.34 0.18 0.00 7.80 0.37 0.20 0.00 8.10 0.39 0.22 0.00 8.40 0.42 0.25 0.00 8.70 0.45 0.28 0.00 9.00 0.49 0.31 0.00 9.30 0.53 0.34 0.00 9.60 0.57 0.38 0.00 9.90 0.62 0.43 0.00 10.20 0.67 0.47 0.00 10.50 0.73 0.53 0.01 10.80 0.79 0.59 0.01 11.10 0.87 0.66 0.01 11.40 0.96 0.75 0.01 11.70 1.14 0.93 0.02 12.00 1.68 1.46 0.06 12.30 2.22 1.99 0.04 12.60 2.40 2.17 0.01 12.90 2.49 2.26 0.01 13.20 2.57 2.34 0.01 13.50 2.63 2.40 0.01 13.80 2.69 2.46 0.01 14.10 2.74 2.51 0.00 14.40 2.79 2.56 0.00 14.70 2.83 2.60 0.00 15.00 2.87 2.64 0.00 15.30 2.91 2.68 0.00 Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 15.60 2.94 2.71 0.00 15.90 2.97 2.74 0.00 16.20 2.99 2.76 0.00 16.50 3.02 2.79 0.00 16.80 3.04 2.81 0.00 17.10 3.06 2.83 0.00 17.40 3.08 2.85 0.00 17.70 3.10 2.87 0.00 18.00 3.12 2.89 0.00 18.30 3.13 2.90 0.00 18.60 3.15 2.92 0.00 18.90 3.16 2.93 0.00 19.20 3.18 2.95 0.00 19.50 3.19 2.96 0.00 19.80 3.21 2.97 0.00 20.10 3.22 2.99 0.00 20.40 3.23 3.00 0.00 20.70 3.25 3.01 0.00 21.00 3.26 3.02 0.00 21.30 3.27 3.04 0.00 21.60 3.28 3.05 0.00 21.90 3.29 3.06 0.00 22.20 3.30 3.07 0.00 22.50 3.31 3.08 0.00 22.80 3.32 3.09 0.00 23.10 3.33 3.10 0.00 23.40 3.34 3.11 0.00 23.70 3.35 3.12 0.00 24.00 3.36 3.13 0.00 24.30 3.36 3.13 0.00 24.60 3.36 3.13 0.00 24.90 3.36 3.13 0.00 25.20 3.36 3.13 0.00 25.50 3.36 3.13 0.00 25.80 3.36 3.13 0.00 26.10 3.36 3.13 0.00 26.40 3.36 3.13 0.00 26.70 3.36 3.13 0.00 27.00 3.36 3.13 0.00 27.30 3.36 3.13 0.00 27.60 3.36 3.13 0.00 27.90 3.36 3.13 0.00 Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 12HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Pond 1AP: Grassed Swale Leaching - M1 Inflow Area = 0.732 ac, 19.72% Impervious, Inflow Depth = 0.20" for 2-year event Inflow = 0.06 cfs @ 12.33 hrs, Volume= 0.012 af Outflow = 0.02 cfs @ 13.76 hrs, Volume= 0.012 af, Atten= 67%, Lag= 86.0 min Discarded = 0.02 cfs @ 13.76 hrs, Volume= 0.012 af Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Peak Elev= 48.72' @ 13.76 hrs Surf.Area= 358 sf Storage= 76 cf Plug-Flow detention time= 32.2 min calculated for 0.012 af (100% of inflow) Center-of-Mass det. time= 32.2 min ( 987.3 - 955.1 ) Volume Invert Avail.Storage Storage Description #1 48.50' 2,417 cf Grassed Swale (Irregular) Listed below (Recalc) Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area (feet) (sq-ft) (feet) (cubic-feet) (cubic-feet) (sq-ft) 48.50 319 92.0 0 0 319 50.00 624 111.0 695 695 662 50.50 738 117.0 340 1,035 784 52.00 1,118 136.0 1,382 2,417 1,212 Device Routing Invert Outlet Devices #1 Discarded 48.50'2.410 in/hr Exfiltration over Wetted area Phase-In= 0.01' #2 Secondary 50.00'24.0" x 24.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads Discarded OutFlow Max=0.02 cfs @ 13.76 hrs HW=48.72' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.02 cfs) Secondary OutFlow Max=0.00 cfs @ 0.00 hrs HW=48.50' TW=42.00' (Dynamic Tailwater) 2=Orifice/Grate ( Controls 0.00 cfs) Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 13HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Pond 1AP: Grassed Swale Leaching - M1 Inflow Outflow Discarded Secondary Hydrograph Time (hours) 26242220181614121086420Flow (cfs)0.065 0.06 0.055 0.05 0.045 0.04 0.035 0.03 0.025 0.02 0.015 0.01 0.005 0 Inflow Area=0.732 ac Peak Elev=48.72' Storage=76 cf 0.06 cfs 0.02 cfs 0.02 cfs 0.00 cfs Pond 1AP: Grassed Swale Leaching - M1 Total Discarded Secondary Stage-Discharge Discharge (cfs) 26242220181614121086420Elevation (feet)52 51 50 49 Exfiltration Orifice/Grate Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 14HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Pond 1AP: Grassed Swale Leaching - M1 Surface Wetted Storage Stage-Area-Storage Storage (cubic-feet) 2,0001,5001,0005000 Surface/Horizontal/Wetted Area (sq-ft) 1,2001,0008006004002000 Elevation (feet)52 51 50 49 Grassed Swale Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 15HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Pond 1AP: Grassed Swale Leaching - M1 Time (hours) Inflow (cfs) Storage (cubic-feet) Elevation (feet) Outflow (cfs) Discarded (cfs) Secondary (cfs) 0.00 0.00 0 48.50 0.00 0.00 0.00 0.60 0.00 0 48.50 0.00 0.00 0.00 1.20 0.00 0 48.50 0.00 0.00 0.00 1.80 0.00 0 48.50 0.00 0.00 0.00 2.40 0.00 0 48.50 0.00 0.00 0.00 3.00 0.00 0 48.50 0.00 0.00 0.00 3.60 0.00 0 48.50 0.00 0.00 0.00 4.20 0.00 0 48.50 0.00 0.00 0.00 4.80 0.00 0 48.50 0.00 0.00 0.00 5.40 0.00 0 48.50 0.00 0.00 0.00 6.00 0.00 0 48.50 0.00 0.00 0.00 6.60 0.00 0 48.50 0.00 0.00 0.00 7.20 0.00 0 48.50 0.00 0.00 0.00 7.80 0.00 0 48.50 0.00 0.00 0.00 8.40 0.00 0 48.50 0.00 0.00 0.00 9.00 0.00 0 48.50 0.00 0.00 0.00 9.60 0.00 0 48.50 0.00 0.00 0.00 10.20 0.00 0 48.50 0.00 0.00 0.00 10.80 0.00 0 48.50 0.00 0.00 0.00 11.40 0.00 0 48.50 0.00 0.00 0.00 12.00 0.00 0 48.50 0.00 0.00 0.00 12.60 0.03 60 48.68 0.02 0.02 0.00 13.20 0.02 73 48.72 0.02 0.02 0.00 13.80 0.02 76 48.72 0.02 0.02 0.00 14.40 0.02 72 48.71 0.02 0.02 0.00 15.00 0.02 66 48.70 0.02 0.02 0.00 15.60 0.01 55 48.67 0.02 0.02 0.00 16.20 0.01 40 48.62 0.02 0.02 0.00 16.80 0.01 23 48.57 0.02 0.02 0.00 17.40 0.01 5 48.52 0.02 0.02 0.00 18.00 0.01 1 48.50 0.01 0.01 0.00 18.60 0.01 1 48.50 0.01 0.01 0.00 19.20 0.01 1 48.50 0.01 0.01 0.00 19.80 0.01 1 48.50 0.01 0.01 0.00 20.40 0.01 1 48.50 0.01 0.01 0.00 21.00 0.01 1 48.50 0.01 0.01 0.00 21.60 0.01 1 48.50 0.01 0.01 0.00 22.20 0.01 1 48.50 0.01 0.01 0.00 22.80 0.01 1 48.50 0.01 0.01 0.00 23.40 0.01 1 48.50 0.01 0.01 0.00 24.00 0.00 1 48.50 0.00 0.00 0.00 24.60 0.00 0 48.50 0.00 0.00 0.00 25.20 0.00 0 48.50 0.00 0.00 0.00 25.80 0.00 0 48.50 0.00 0.00 0.00 26.40 0.00 0 48.50 0.00 0.00 0.00 27.00 0.00 0 48.50 0.00 0.00 0.00 27.60 0.00 0 48.50 0.00 0.00 0.00 Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 16HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Discharge for Pond 1AP: Grassed Swale Leaching - M1 Elevation (feet) Discharge (cfs) Discarded (cfs) Secondary (cfs) 48.50 0.00 0.00 0.00 48.55 0.02 0.02 0.00 48.60 0.02 0.02 0.00 48.65 0.02 0.02 0.00 48.70 0.02 0.02 0.00 48.75 0.02 0.02 0.00 48.80 0.02 0.02 0.00 48.85 0.02 0.02 0.00 48.90 0.02 0.02 0.00 48.95 0.02 0.02 0.00 49.00 0.02 0.02 0.00 49.05 0.02 0.02 0.00 49.10 0.03 0.03 0.00 49.15 0.03 0.03 0.00 49.20 0.03 0.03 0.00 49.25 0.03 0.03 0.00 49.30 0.03 0.03 0.00 49.35 0.03 0.03 0.00 49.40 0.03 0.03 0.00 49.45 0.03 0.03 0.00 49.50 0.03 0.03 0.00 49.55 0.03 0.03 0.00 49.60 0.03 0.03 0.00 49.65 0.03 0.03 0.00 49.70 0.03 0.03 0.00 49.75 0.03 0.03 0.00 49.80 0.03 0.03 0.00 49.85 0.03 0.03 0.00 49.90 0.04 0.04 0.00 49.95 0.04 0.04 0.00 50.00 0.04 0.04 0.00 50.05 0.33 0.04 0.29 50.10 0.87 0.04 0.83 50.15 1.56 0.04 1.52 50.20 2.38 0.04 2.34 50.25 3.31 0.04 3.27 50.30 4.34 0.04 4.30 50.35 5.46 0.04 5.42 50.40 6.66 0.04 6.62 50.45 7.94 0.04 7.90 50.50 9.29 0.04 9.25 50.55 10.71 0.04 10.67 50.60 12.20 0.05 12.16 50.65 13.76 0.05 13.71 50.70 15.37 0.05 15.32 50.75 16.73 0.05 16.68 50.80 17.27 0.05 17.23 50.85 17.81 0.05 17.76 50.90 18.32 0.05 18.27 50.95 18.82 0.05 18.77 51.00 19.31 0.05 19.26 51.05 19.79 0.05 19.74 Elevation (feet) Discharge (cfs) Discarded (cfs) Secondary (cfs) 51.10 20.25 0.05 20.20 51.15 20.71 0.05 20.65 51.20 21.15 0.05 21.10 51.25 21.59 0.06 21.53 51.30 22.02 0.06 21.96 51.35 22.43 0.06 22.38 51.40 22.85 0.06 22.79 51.45 23.25 0.06 23.19 51.50 23.65 0.06 23.59 51.55 24.04 0.06 23.98 51.60 24.42 0.06 24.36 51.65 24.80 0.06 24.74 51.70 25.17 0.06 25.11 51.75 25.54 0.06 25.48 51.80 25.90 0.06 25.84 51.85 26.26 0.07 26.20 51.90 26.61 0.07 26.55 51.95 26.96 0.07 26.89 52.00 27.31 0.07 27.24 Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 17HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 1AP: Grassed Swale Leaching - M1 Elevation (feet) Surface (sq-ft) Wetted (sq-ft) Storage (cubic-feet) 48.50 319 319 0 48.55 328 329 16 48.60 336 340 33 48.65 345 350 50 48.70 354 361 67 48.75 363 372 85 48.80 372 382 104 48.85 381 393 122 48.90 390 404 142 48.95 400 415 161 49.00 409 426 182 49.05 419 437 202 49.10 429 448 224 49.15 439 460 245 49.20 449 471 267 49.25 459 482 290 49.30 469 494 313 49.35 479 505 337 49.40 490 517 361 49.45 500 529 386 49.50 511 540 411 49.55 522 552 437 49.60 533 564 463 49.65 544 576 490 49.70 555 588 518 49.75 566 600 546 49.80 577 612 574 49.85 589 624 604 49.90 601 637 633 49.95 612 649 664 50.00 624 662 695 50.05 635 674 726 50.10 646 686 758 50.15 657 698 791 50.20 668 710 824 50.25 680 722 858 50.30 691 735 892 50.35 703 747 927 50.40 714 759 962 50.45 726 772 998 50.50 738 784 1,035 50.55 749 798 1,072 50.60 761 811 1,110 50.65 772 824 1,148 50.70 784 838 1,187 50.75 796 851 1,226 50.80 808 865 1,266 50.85 820 878 1,307 50.90 832 892 1,348 50.95 844 906 1,390 51.00 856 920 1,433 51.05 868 934 1,476 Elevation (feet) Surface (sq-ft) Wetted (sq-ft) Storage (cubic-feet) 51.10 881 948 1,520 51.15 893 962 1,564 51.20 906 976 1,609 51.25 918 990 1,655 51.30 931 1,004 1,701 51.35 944 1,019 1,748 51.40 957 1,033 1,795 51.45 970 1,047 1,843 51.50 983 1,062 1,892 51.55 996 1,077 1,942 51.60 1,009 1,091 1,992 51.65 1,022 1,106 2,042 51.70 1,036 1,121 2,094 51.75 1,049 1,136 2,146 51.80 1,063 1,151 2,199 51.85 1,076 1,166 2,252 51.90 1,090 1,181 2,306 51.95 1,104 1,196 2,361 52.00 1,118 1,212 2,417 Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 18HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Pond 1AR: (2) CB's in Pavement Inflow Area = 0.549 ac, 26.28% Impervious, Inflow Depth = 0.27" for 2-year event Inflow = 0.06 cfs @ 12.33 hrs, Volume= 0.012 af Outflow = 0.06 cfs @ 12.33 hrs, Volume= 0.012 af, Atten= 0%, Lag= 0.0 min Primary = 0.06 cfs @ 12.33 hrs, Volume= 0.012 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Peak Elev= 51.40' @ 12.33 hrs Flood Elev= 53.80' Device Routing Invert Outlet Devices #1 Primary 51.30'12.0" Round Culvert X 2.00 L= 50.0' CPP, projecting, no headwall, Ke= 0.900 Inlet / Outlet Invert= 51.30' / 50.50' S= 0.0160 '/' Cc= 0.900 n= 0.020 Corrugated PE, corrugated interior, Flow Area= 0.79 sf Primary OutFlow Max=0.06 cfs @ 12.33 hrs HW=51.40' TW=48.59' (Dynamic Tailwater) 1=Culvert (Barrel Controls 0.06 cfs @ 1.21 fps) Pond 1AR: (2) CB's in Pavement Inflow Primary Hydrograph Time (hours) 26242220181614121086420Flow (cfs)0.065 0.06 0.055 0.05 0.045 0.04 0.035 0.03 0.025 0.02 0.015 0.01 0.005 0 Inflow Area=0.549 ac Peak Elev=51.40' 12.0" Round Culvert x 2.00 n=0.020 L=50.0' S=0.0160 '/' 0.06 cfs 0.06 cfs Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 19HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Pond 1AR: (2) CB's in Pavement Primary Stage-Discharge Discharge (cfs) 876543210Elevation (feet)53 52 Culvert Pond 1AR: (2) CB's in Pavement Storage Stage-Area-Storage Storage (cubic-feet) 0Elevation (feet)53 52 Flood Elevation Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 20HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Pond 1AR: (2) CB's in Pavement Time (hours) Inflow (cfs) Elevation (feet) Primary (cfs) 0.00 0.00 51.30 0.00 0.30 0.00 51.30 0.00 0.60 0.00 51.30 0.00 0.90 0.00 51.30 0.00 1.20 0.00 51.30 0.00 1.50 0.00 51.30 0.00 1.80 0.00 51.30 0.00 2.10 0.00 51.30 0.00 2.40 0.00 51.30 0.00 2.70 0.00 51.30 0.00 3.00 0.00 51.30 0.00 3.30 0.00 51.30 0.00 3.60 0.00 51.30 0.00 3.90 0.00 51.30 0.00 4.20 0.00 51.30 0.00 4.50 0.00 51.30 0.00 4.80 0.00 51.30 0.00 5.10 0.00 51.30 0.00 5.40 0.00 51.30 0.00 5.70 0.00 51.30 0.00 6.00 0.00 51.30 0.00 6.30 0.00 51.30 0.00 6.60 0.00 51.30 0.00 6.90 0.00 51.30 0.00 7.20 0.00 51.30 0.00 7.50 0.00 51.30 0.00 7.80 0.00 51.30 0.00 8.10 0.00 51.30 0.00 8.40 0.00 51.30 0.00 8.70 0.00 51.30 0.00 9.00 0.00 51.30 0.00 9.30 0.00 51.30 0.00 9.60 0.00 51.30 0.00 9.90 0.00 51.30 0.00 10.20 0.00 51.30 0.00 10.50 0.00 51.30 0.00 10.80 0.00 51.30 0.00 11.10 0.00 51.30 0.00 11.40 0.00 51.30 0.00 11.70 0.00 51.30 0.00 12.00 0.00 51.30 0.00 12.30 0.06 51.40 0.06 12.60 0.03 51.37 0.03 12.90 0.03 51.37 0.03 13.20 0.02 51.36 0.02 13.50 0.02 51.36 0.02 13.80 0.02 51.36 0.02 14.10 0.02 51.35 0.02 14.40 0.02 51.35 0.02 14.70 0.02 51.35 0.02 15.00 0.02 51.35 0.02 15.30 0.02 51.35 0.02 Time (hours) Inflow (cfs) Elevation (feet) Primary (cfs) 15.60 0.01 51.35 0.01 15.90 0.01 51.35 0.01 16.20 0.01 51.34 0.01 16.50 0.01 51.34 0.01 16.80 0.01 51.34 0.01 17.10 0.01 51.34 0.01 17.40 0.01 51.34 0.01 17.70 0.01 51.34 0.01 18.00 0.01 51.34 0.01 18.30 0.01 51.34 0.01 18.60 0.01 51.34 0.01 18.90 0.01 51.34 0.01 19.20 0.01 51.34 0.01 19.50 0.01 51.34 0.01 19.80 0.01 51.33 0.01 20.10 0.01 51.33 0.01 20.40 0.01 51.33 0.01 20.70 0.01 51.33 0.01 21.00 0.01 51.33 0.01 21.30 0.01 51.33 0.01 21.60 0.01 51.33 0.01 21.90 0.01 51.33 0.01 22.20 0.01 51.33 0.01 22.50 0.01 51.33 0.01 22.80 0.01 51.33 0.01 23.10 0.01 51.33 0.01 23.40 0.01 51.33 0.01 23.70 0.00 51.33 0.00 24.00 0.00 51.33 0.00 24.30 0.00 51.30 0.00 24.60 0.00 51.30 0.00 24.90 0.00 51.30 0.00 25.20 0.00 51.30 0.00 25.50 0.00 51.30 0.00 25.80 0.00 51.30 0.00 26.10 0.00 51.30 0.00 26.40 0.00 51.30 0.00 26.70 0.00 51.30 0.00 27.00 0.00 51.30 0.00 27.30 0.00 51.30 0.00 27.60 0.00 51.30 0.00 27.90 0.00 51.30 0.00 Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 21HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Discharge for Pond 1AR: (2) CB's in Pavement Elevation (feet) Primary (cfs) 51.30 0.00 51.31 0.00 51.32 0.00 51.33 0.01 51.34 0.01 51.35 0.02 51.36 0.02 51.37 0.03 51.38 0.04 51.39 0.05 51.40 0.07 51.41 0.08 51.42 0.10 51.43 0.11 51.44 0.13 51.45 0.15 51.46 0.17 51.47 0.20 51.48 0.22 51.49 0.24 51.50 0.27 51.51 0.30 51.52 0.32 51.53 0.35 51.54 0.38 51.55 0.41 51.56 0.44 51.57 0.48 51.58 0.51 51.59 0.55 51.60 0.58 51.61 0.62 51.62 0.66 51.63 0.70 51.64 0.74 51.65 0.78 51.66 0.82 51.67 0.86 51.68 0.91 51.69 0.95 51.70 1.00 51.71 1.04 51.72 1.09 51.73 1.14 51.74 1.19 51.75 1.24 51.76 1.29 51.77 1.34 51.78 1.39 51.79 1.44 51.80 1.49 51.81 1.55 Elevation (feet) Primary (cfs) 51.82 1.60 51.83 1.65 51.84 1.71 51.85 1.76 51.86 1.82 51.87 1.88 51.88 1.93 51.89 1.99 51.90 2.05 51.91 2.11 51.92 2.17 51.93 2.22 51.94 2.28 51.95 2.34 51.96 2.40 51.97 2.46 51.98 2.52 51.99 2.58 52.00 2.64 52.01 2.70 52.02 2.76 52.03 2.82 52.04 2.88 52.05 2.94 52.06 3.00 52.07 3.06 52.08 3.12 52.09 3.18 52.10 3.24 52.11 3.30 52.12 3.36 52.13 3.41 52.14 3.47 52.15 3.53 52.16 3.58 52.17 3.64 52.18 3.69 52.19 3.74 52.20 3.80 52.21 3.85 52.22 3.90 52.23 3.95 52.24 3.99 52.25 4.04 52.26 4.08 52.27 4.12 52.28 4.16 52.29 4.19 52.30 4.22 52.31 4.26 52.32 4.31 52.33 4.35 Elevation (feet) Primary (cfs) 52.34 4.39 52.35 4.43 52.36 4.47 52.37 4.51 52.38 4.55 52.39 4.59 52.40 4.63 52.41 4.66 52.42 4.70 52.43 4.74 52.44 4.78 52.45 4.81 52.46 4.85 52.47 4.89 52.48 4.92 52.49 4.96 52.50 5.00 52.51 5.03 52.52 5.07 52.53 5.10 52.54 5.14 52.55 5.17 52.56 5.21 52.57 5.24 52.58 5.27 52.59 5.31 52.60 5.34 52.61 5.37 52.62 5.41 52.63 5.44 52.64 5.47 52.65 5.51 52.66 5.54 52.67 5.57 52.68 5.60 52.69 5.63 52.70 5.66 52.71 5.70 52.72 5.73 52.73 5.76 52.74 5.79 52.75 5.82 52.76 5.85 52.77 5.88 52.78 5.91 52.79 5.94 52.80 5.97 52.81 6.00 52.82 6.03 52.83 6.06 52.84 6.09 52.85 6.12 Elevation (feet) Primary (cfs) 52.86 6.15 52.87 6.18 52.88 6.21 52.89 6.23 52.90 6.26 52.91 6.29 52.92 6.32 52.93 6.35 52.94 6.38 52.95 6.40 52.96 6.43 52.97 6.45 52.98 6.47 52.99 6.49 53.00 6.51 53.01 6.54 53.02 6.56 53.03 6.58 53.04 6.60 53.05 6.62 53.06 6.64 53.07 6.67 53.08 6.69 53.09 6.71 53.10 6.73 53.11 6.75 53.12 6.77 53.13 6.79 53.14 6.81 53.15 6.83 53.16 6.85 53.17 6.87 53.18 6.89 53.19 6.92 53.20 6.94 53.21 6.96 53.22 6.98 53.23 7.00 53.24 7.02 53.25 7.04 53.26 7.06 53.27 7.08 53.28 7.10 53.29 7.12 53.30 7.14 53.31 7.16 53.32 7.18 53.33 7.20 53.34 7.22 53.35 7.24 53.36 7.25 53.37 7.27 Elevation (feet) Primary (cfs) 53.38 7.29 53.39 7.31 53.40 7.33 53.41 7.35 53.42 7.37 53.43 7.39 53.44 7.41 53.45 7.43 53.46 7.45 53.47 7.47 53.48 7.49 53.49 7.50 53.50 7.52 53.51 7.54 53.52 7.56 53.53 7.58 53.54 7.60 53.55 7.62 53.56 7.63 53.57 7.65 53.58 7.67 53.59 7.69 53.60 7.71 53.61 7.73 53.62 7.75 53.63 7.76 53.64 7.78 53.65 7.80 53.66 7.82 53.67 7.84 53.68 7.85 53.69 7.87 53.70 7.89 53.71 7.91 53.72 7.93 53.73 7.94 53.74 7.96 53.75 7.98 53.76 8.00 53.77 8.01 53.78 8.03 53.79 8.05 53.80 8.07 Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 22HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 1AR: (2) CB's in Pavement Elevation (feet) Storage (cubic-feet) 51.30 0 51.32 0 51.34 0 51.36 0 51.38 0 51.40 0 51.42 0 51.44 0 51.46 0 51.48 0 51.50 0 51.52 0 51.54 0 51.56 0 51.58 0 51.60 0 51.62 0 51.64 0 51.66 0 51.68 0 51.70 0 51.72 0 51.74 0 51.76 0 51.78 0 51.80 0 51.82 0 51.84 0 51.86 0 51.88 0 51.90 0 51.92 0 51.94 0 51.96 0 51.98 0 52.00 0 52.02 0 52.04 0 52.06 0 52.08 0 52.10 0 52.12 0 52.14 0 52.16 0 52.18 0 52.20 0 52.22 0 52.24 0 52.26 0 52.28 0 52.30 0 52.32 0 Elevation (feet) Storage (cubic-feet) 52.34 0 52.36 0 52.38 0 52.40 0 52.42 0 52.44 0 52.46 0 52.48 0 52.50 0 52.52 0 52.54 0 52.56 0 52.58 0 52.60 0 52.62 0 52.64 0 52.66 0 52.68 0 52.70 0 52.72 0 52.74 0 52.76 0 52.78 0 52.80 0 52.82 0 52.84 0 52.86 0 52.88 0 52.90 0 52.92 0 52.94 0 52.96 0 52.98 0 53.00 0 53.02 0 53.04 0 53.06 0 53.08 0 53.10 0 53.12 0 53.14 0 53.16 0 53.18 0 53.20 0 53.22 0 53.24 0 53.26 0 53.28 0 53.30 0 53.32 0 53.34 0 53.36 0 Elevation (feet) Storage (cubic-feet) 53.38 0 53.40 0 53.42 0 53.44 0 53.46 0 53.48 0 53.50 0 53.52 0 53.54 0 53.56 0 53.58 0 53.60 0 53.62 0 53.64 0 53.66 0 53.68 0 53.70 0 53.72 0 53.74 0 53.76 0 53.78 0 53.80 0 Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 23HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Pond 1BP: (1) 28'x14' Leaching Facility - (2) 6'x6' Leach Pits, 14' O.C. with stone around Inflow = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Outflow = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af, Atten= 0%, Lag= 0.0 min Discarded = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Peak Elev= 42.00' @ 0.00 hrs Surf.Area= 392 sf Storage= 0 cf Plug-Flow detention time= (not calculated: initial storage exceeds outflow) Center-of-Mass det. time= (not calculated: no inflow) Volume Invert Avail.Storage Storage Description #1 42.00' 879 cf 14.00'W x 28.00'L x 6.00'H Prismatoid 2,352 cf Overall - 398 cf Embedded = 1,954 cf x 45.0% Voids #2 42.00' 339 cf 6.00'D x 6.00'H Vertical Cone/Cylinder x 2 Inside #1 398 cf Overall - 3.0" Wall Thickness = 339 cf 1,219 cf Total Available Storage Device Routing Invert Outlet Devices #1 Discarded 42.00'8.270 in/hr Exfiltration over Wetted area Phase-In= 0.01' Discarded OutFlow Max=0.00 cfs @ 0.00 hrs HW=42.00' (Free Discharge) 1=Exfiltration ( Controls 0.00 cfs) Pond 1BP: (1) 28'x14' Leaching Facility - (2) 6'x6' Leach Pits, 14' O.C. with stone around Inflow Discarded Hydrograph Time (hours) 26242220181614121086420Flow (cfs)1 0 Peak Elev=42.00' Storage=0 cf 0.00 cfs 0.00 cfs Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 24HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Pond 1BP: (1) 28'x14' Leaching Facility - (2) 6'x6' Leach Pits, 14' O.C. with stone around Discarded Stage-Discharge Discharge (cfs) 0.170.160.150.140.130.120.110.10.090.080.070.060.050.040.030.020.010Elevation (feet)48 47 46 45 44 43 42 Exfiltration Pond 1BP: (1) 28'x14' Leaching Facility - (2) 6'x6' Leach Pits, 14' O.C. with stone around Wetted Storage Stage-Area-Storage Storage (cubic-feet) 1,2001,0008006004002000 Surface/Horizontal/Wetted Area (sq-ft) 850800750700650600550500450400350300250200150100500 Elevation (feet)48 47 46 45 44 43 42 Prismatoid + Vertical Cone/Cylinder Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 25HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Pond 1BP: (1) 28'x14' Leaching Facility - (2) 6'x6' Leach Pits, 14' O.C. with stone around Time (hours) Inflow (cfs) Elevation (feet) Discarded (cfs) 0.00 0.00 42.00 0.00 0.30 0.00 42.00 0.00 0.60 0.00 42.00 0.00 0.90 0.00 42.00 0.00 1.20 0.00 42.00 0.00 1.50 0.00 42.00 0.00 1.80 0.00 42.00 0.00 2.10 0.00 42.00 0.00 2.40 0.00 42.00 0.00 2.70 0.00 42.00 0.00 3.00 0.00 42.00 0.00 3.30 0.00 42.00 0.00 3.60 0.00 42.00 0.00 3.90 0.00 42.00 0.00 4.20 0.00 42.00 0.00 4.50 0.00 42.00 0.00 4.80 0.00 42.00 0.00 5.10 0.00 42.00 0.00 5.40 0.00 42.00 0.00 5.70 0.00 42.00 0.00 6.00 0.00 42.00 0.00 6.30 0.00 42.00 0.00 6.60 0.00 42.00 0.00 6.90 0.00 42.00 0.00 7.20 0.00 42.00 0.00 7.50 0.00 42.00 0.00 7.80 0.00 42.00 0.00 8.10 0.00 42.00 0.00 8.40 0.00 42.00 0.00 8.70 0.00 42.00 0.00 9.00 0.00 42.00 0.00 9.30 0.00 42.00 0.00 9.60 0.00 42.00 0.00 9.90 0.00 42.00 0.00 10.20 0.00 42.00 0.00 10.50 0.00 42.00 0.00 10.80 0.00 42.00 0.00 11.10 0.00 42.00 0.00 11.40 0.00 42.00 0.00 11.70 0.00 42.00 0.00 12.00 0.00 42.00 0.00 12.30 0.00 42.00 0.00 12.60 0.00 42.00 0.00 12.90 0.00 42.00 0.00 13.20 0.00 42.00 0.00 13.50 0.00 42.00 0.00 13.80 0.00 42.00 0.00 14.10 0.00 42.00 0.00 14.40 0.00 42.00 0.00 14.70 0.00 42.00 0.00 15.00 0.00 42.00 0.00 15.30 0.00 42.00 0.00 Time (hours) Inflow (cfs) Elevation (feet) Discarded (cfs) 15.60 0.00 42.00 0.00 15.90 0.00 42.00 0.00 16.20 0.00 42.00 0.00 16.50 0.00 42.00 0.00 16.80 0.00 42.00 0.00 17.10 0.00 42.00 0.00 17.40 0.00 42.00 0.00 17.70 0.00 42.00 0.00 18.00 0.00 42.00 0.00 18.30 0.00 42.00 0.00 18.60 0.00 42.00 0.00 18.90 0.00 42.00 0.00 19.20 0.00 42.00 0.00 19.50 0.00 42.00 0.00 19.80 0.00 42.00 0.00 20.10 0.00 42.00 0.00 20.40 0.00 42.00 0.00 20.70 0.00 42.00 0.00 21.00 0.00 42.00 0.00 21.30 0.00 42.00 0.00 21.60 0.00 42.00 0.00 21.90 0.00 42.00 0.00 22.20 0.00 42.00 0.00 22.50 0.00 42.00 0.00 22.80 0.00 42.00 0.00 23.10 0.00 42.00 0.00 23.40 0.00 42.00 0.00 23.70 0.00 42.00 0.00 24.00 0.00 42.00 0.00 24.30 0.00 42.00 0.00 24.60 0.00 42.00 0.00 24.90 0.00 42.00 0.00 25.20 0.00 42.00 0.00 25.50 0.00 42.00 0.00 25.80 0.00 42.00 0.00 26.10 0.00 42.00 0.00 26.40 0.00 42.00 0.00 26.70 0.00 42.00 0.00 27.00 0.00 42.00 0.00 27.30 0.00 42.00 0.00 27.60 0.00 42.00 0.00 27.90 0.00 42.00 0.00 Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 26HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Discharge for Pond 1BP: (1) 28'x14' Leaching Facility - (2) 6'x6' Leach Pits, 14' O.C. with stone around Elevation (feet) Discarded (cfs) 42.00 0.00 42.04 0.08 42.08 0.08 42.12 0.08 42.16 0.08 42.20 0.08 42.24 0.08 42.28 0.08 42.32 0.08 42.36 0.08 42.40 0.08 42.44 0.08 42.48 0.08 42.52 0.08 42.56 0.08 42.60 0.08 42.64 0.09 42.68 0.09 42.72 0.09 42.76 0.09 42.80 0.09 42.84 0.09 42.88 0.09 42.92 0.09 42.96 0.09 43.00 0.09 43.04 0.09 43.08 0.09 43.12 0.09 43.16 0.09 43.20 0.09 43.24 0.09 43.28 0.10 43.32 0.10 43.36 0.10 43.40 0.10 43.44 0.10 43.48 0.10 43.52 0.10 43.56 0.10 43.60 0.10 43.64 0.10 43.68 0.10 43.72 0.10 43.76 0.10 43.80 0.10 43.84 0.10 43.88 0.11 43.92 0.11 43.96 0.11 44.00 0.11 44.04 0.11 Elevation (feet) Discarded (cfs) 44.08 0.11 44.12 0.11 44.16 0.11 44.20 0.11 44.24 0.11 44.28 0.11 44.32 0.11 44.36 0.11 44.40 0.11 44.44 0.11 44.48 0.11 44.52 0.12 44.56 0.12 44.60 0.12 44.64 0.12 44.68 0.12 44.72 0.12 44.76 0.12 44.80 0.12 44.84 0.12 44.88 0.12 44.92 0.12 44.96 0.12 45.00 0.12 45.04 0.12 45.08 0.12 45.12 0.13 45.16 0.13 45.20 0.13 45.24 0.13 45.28 0.13 45.32 0.13 45.36 0.13 45.40 0.13 45.44 0.13 45.48 0.13 45.52 0.13 45.56 0.13 45.60 0.13 45.64 0.13 45.68 0.13 45.72 0.13 45.76 0.14 45.80 0.14 45.84 0.14 45.88 0.14 45.92 0.14 45.96 0.14 46.00 0.14 46.04 0.14 46.08 0.14 46.12 0.14 Elevation (feet) Discarded (cfs) 46.16 0.14 46.20 0.14 46.24 0.14 46.28 0.14 46.32 0.14 46.36 0.15 46.40 0.15 46.44 0.15 46.48 0.15 46.52 0.15 46.56 0.15 46.60 0.15 46.64 0.15 46.68 0.15 46.72 0.15 46.76 0.15 46.80 0.15 46.84 0.15 46.88 0.15 46.92 0.15 46.96 0.15 47.00 0.16 47.04 0.16 47.08 0.16 47.12 0.16 47.16 0.16 47.20 0.16 47.24 0.16 47.28 0.16 47.32 0.16 47.36 0.16 47.40 0.16 47.44 0.16 47.48 0.16 47.52 0.16 47.56 0.16 47.60 0.17 47.64 0.17 47.68 0.17 47.72 0.17 47.76 0.17 47.80 0.17 47.84 0.17 47.88 0.17 47.92 0.17 47.96 0.17 48.00 0.17 Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 27HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 1BP: (1) 28'x14' Leaching Facility - (2) 6'x6' Leach Pits, 14' O.C. with stone around Elevation (feet) Wetted (sq-ft) Storage (cubic-feet) 42.00 392 0 42.10 400 20 42.20 409 41 42.30 417 61 42.40 426 81 42.50 434 102 42.60 442 122 42.70 451 142 42.80 459 162 42.90 468 183 43.00 476 203 43.10 484 223 43.20 493 244 43.30 501 264 43.40 510 284 43.50 518 305 43.60 526 325 43.70 535 345 43.80 543 366 43.90 552 386 44.00 560 406 44.10 568 426 44.20 577 447 44.30 585 467 44.40 594 487 44.50 602 508 44.60 610 528 44.70 619 548 44.80 627 569 44.90 636 589 45.00 644 609 45.10 652 630 45.20 661 650 45.30 669 670 45.40 678 690 45.50 686 711 45.60 694 731 45.70 703 751 45.80 711 772 45.90 720 792 46.00 728 812 46.10 736 833 46.20 745 853 46.30 753 873 46.40 762 894 46.50 770 914 46.60 778 934 46.70 787 954 46.80 795 975 46.90 804 995 47.00 812 1,015 47.10 820 1,036 Elevation (feet) Wetted (sq-ft) Storage (cubic-feet) 47.20 829 1,056 47.30 837 1,076 47.40 846 1,097 47.50 854 1,117 47.60 862 1,137 47.70 871 1,158 47.80 879 1,178 47.90 888 1,198 48.00 896 1,219 Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 28HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Pond 2AP: Grassed Swale Leaching - M2 Inflow Area = 4.108 ac, 20.30% Impervious, Inflow Depth = 0.18" for 2-year event Inflow = 0.27 cfs @ 12.37 hrs, Volume= 0.060 af Outflow = 0.16 cfs @ 12.60 hrs, Volume= 0.060 af, Atten= 39%, Lag= 13.7 min Discarded = 0.16 cfs @ 12.60 hrs, Volume= 0.060 af Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Peak Elev= 33.04' @ 12.60 hrs Surf.Area= 2,908 sf Storage= 121 cf Plug-Flow detention time= 4.3 min calculated for 0.060 af (100% of inflow) Center-of-Mass det. time= 4.3 min ( 976.2 - 971.9 ) Volume Invert Avail.Storage Storage Description #1 33.00' 6,696 cf Grassed Swale (Irregular) Listed below (Recalc) Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area (feet) (sq-ft) (feet) (cubic-feet) (cubic-feet) (sq-ft) 33.00 2,890 222.0 0 0 2,890 35.00 3,828 247.0 6,696 6,696 3,934 Device Routing Invert Outlet Devices #1 Discarded 33.00'2.410 in/hr Exfiltration over Wetted area Phase-In= 0.01' #2 Secondary 34.50'24.0" x 24.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads Discarded OutFlow Max=0.16 cfs @ 12.60 hrs HW=33.04' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.16 cfs) Secondary OutFlow Max=0.00 cfs @ 0.00 hrs HW=33.00' TW=26.50' (Dynamic Tailwater) 2=Orifice/Grate ( Controls 0.00 cfs) Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 29HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Pond 2AP: Grassed Swale Leaching - M2 Inflow Outflow Discarded Secondary Hydrograph Time (hours) 26242220181614121086420Flow (cfs)0.28 0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 Inflow Area=4.108 ac Peak Elev=33.04' Storage=121 cf 0.27 cfs 0.16 cfs 0.16 cfs 0.00 cfs Pond 2AP: Grassed Swale Leaching - M2 Total Discarded Secondary Stage-Discharge Discharge (cfs) 9876543210Elevation (feet)35 34 33 Exfiltration Orifice/Grate Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 30HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Pond 2AP: Grassed Swale Leaching - M2 Surface Wetted Storage Stage-Area-Storage Storage (cubic-feet) 6,0005,0004,0003,0002,0001,0000 Surface/Horizontal/Wetted Area (sq-ft) 3,5003,0002,5002,0001,5001,0005000 Elevation (feet)35 34 33 Grassed Swale Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 31HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Pond 2AP: Grassed Swale Leaching - M2 Time (hours) Inflow (cfs) Storage (cubic-feet) Elevation (feet) Outflow (cfs) Discarded (cfs) Secondary (cfs) 0.00 0.00 0 33.00 0.00 0.00 0.00 0.60 0.00 0 33.00 0.00 0.00 0.00 1.20 0.00 0 33.00 0.00 0.00 0.00 1.80 0.00 0 33.00 0.00 0.00 0.00 2.40 0.00 0 33.00 0.00 0.00 0.00 3.00 0.00 0 33.00 0.00 0.00 0.00 3.60 0.00 0 33.00 0.00 0.00 0.00 4.20 0.00 0 33.00 0.00 0.00 0.00 4.80 0.00 0 33.00 0.00 0.00 0.00 5.40 0.00 0 33.00 0.00 0.00 0.00 6.00 0.00 0 33.00 0.00 0.00 0.00 6.60 0.00 0 33.00 0.00 0.00 0.00 7.20 0.00 0 33.00 0.00 0.00 0.00 7.80 0.00 0 33.00 0.00 0.00 0.00 8.40 0.00 0 33.00 0.00 0.00 0.00 9.00 0.00 0 33.00 0.00 0.00 0.00 9.60 0.00 0 33.00 0.00 0.00 0.00 10.20 0.00 0 33.00 0.00 0.00 0.00 10.80 0.00 0 33.00 0.00 0.00 0.00 11.40 0.00 0 33.00 0.00 0.00 0.00 12.00 0.00 0 33.00 0.00 0.00 0.00 12.60 0.16 121 33.04 0.16 0.16 0.00 13.20 0.11 43 33.01 0.16 0.16 0.00 13.80 0.10 18 33.01 0.10 0.10 0.00 14.40 0.09 15 33.01 0.09 0.09 0.00 15.00 0.08 14 33.01 0.08 0.08 0.00 15.60 0.07 13 33.00 0.07 0.07 0.00 16.20 0.06 11 33.00 0.06 0.06 0.00 16.80 0.06 10 33.00 0.06 0.06 0.00 17.40 0.05 9 33.00 0.05 0.05 0.00 18.00 0.04 8 33.00 0.04 0.04 0.00 18.60 0.04 7 33.00 0.04 0.04 0.00 19.20 0.04 7 33.00 0.04 0.04 0.00 19.80 0.04 7 33.00 0.04 0.04 0.00 20.40 0.04 6 33.00 0.04 0.04 0.00 21.00 0.03 6 33.00 0.03 0.03 0.00 21.60 0.03 6 33.00 0.03 0.03 0.00 22.20 0.03 6 33.00 0.03 0.03 0.00 22.80 0.03 5 33.00 0.03 0.03 0.00 23.40 0.03 5 33.00 0.03 0.03 0.00 24.00 0.03 5 33.00 0.03 0.03 0.00 24.60 0.00 0 33.00 0.00 0.00 0.00 25.20 0.00 0 33.00 0.00 0.00 0.00 25.80 0.00 0 33.00 0.00 0.00 0.00 26.40 0.00 0 33.00 0.00 0.00 0.00 27.00 0.00 0 33.00 0.00 0.00 0.00 27.60 0.00 0 33.00 0.00 0.00 0.00 Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 32HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Discharge for Pond 2AP: Grassed Swale Leaching - M2 Elevation (feet) Discharge (cfs) Discarded (cfs) Secondary (cfs) 33.00 0.00 0.00 0.00 33.02 0.16 0.16 0.00 33.04 0.16 0.16 0.00 33.06 0.16 0.16 0.00 33.08 0.16 0.16 0.00 33.10 0.16 0.16 0.00 33.12 0.16 0.16 0.00 33.14 0.17 0.17 0.00 33.16 0.17 0.17 0.00 33.18 0.17 0.17 0.00 33.20 0.17 0.17 0.00 33.22 0.17 0.17 0.00 33.24 0.17 0.17 0.00 33.26 0.17 0.17 0.00 33.28 0.17 0.17 0.00 33.30 0.17 0.17 0.00 33.32 0.17 0.17 0.00 33.34 0.17 0.17 0.00 33.36 0.17 0.17 0.00 33.38 0.17 0.17 0.00 33.40 0.17 0.17 0.00 33.42 0.17 0.17 0.00 33.44 0.17 0.17 0.00 33.46 0.17 0.17 0.00 33.48 0.17 0.17 0.00 33.50 0.18 0.18 0.00 33.52 0.18 0.18 0.00 33.54 0.18 0.18 0.00 33.56 0.18 0.18 0.00 33.58 0.18 0.18 0.00 33.60 0.18 0.18 0.00 33.62 0.18 0.18 0.00 33.64 0.18 0.18 0.00 33.66 0.18 0.18 0.00 33.68 0.18 0.18 0.00 33.70 0.18 0.18 0.00 33.72 0.18 0.18 0.00 33.74 0.18 0.18 0.00 33.76 0.18 0.18 0.00 33.78 0.18 0.18 0.00 33.80 0.18 0.18 0.00 33.82 0.18 0.18 0.00 33.84 0.18 0.18 0.00 33.86 0.19 0.19 0.00 33.88 0.19 0.19 0.00 33.90 0.19 0.19 0.00 33.92 0.19 0.19 0.00 33.94 0.19 0.19 0.00 33.96 0.19 0.19 0.00 33.98 0.19 0.19 0.00 34.00 0.19 0.19 0.00 34.02 0.19 0.19 0.00 Elevation (feet) Discharge (cfs) Discarded (cfs) Secondary (cfs) 34.04 0.19 0.19 0.00 34.06 0.19 0.19 0.00 34.08 0.19 0.19 0.00 34.10 0.19 0.19 0.00 34.12 0.19 0.19 0.00 34.14 0.19 0.19 0.00 34.16 0.19 0.19 0.00 34.18 0.19 0.19 0.00 34.20 0.20 0.20 0.00 34.22 0.20 0.20 0.00 34.24 0.20 0.20 0.00 34.26 0.20 0.20 0.00 34.28 0.20 0.20 0.00 34.30 0.20 0.20 0.00 34.32 0.20 0.20 0.00 34.34 0.20 0.20 0.00 34.36 0.20 0.20 0.00 34.38 0.20 0.20 0.00 34.40 0.20 0.20 0.00 34.42 0.20 0.20 0.00 34.44 0.20 0.20 0.00 34.46 0.20 0.20 0.00 34.48 0.20 0.20 0.00 34.50 0.20 0.20 0.00 34.52 0.28 0.20 0.07 34.54 0.41 0.21 0.21 34.56 0.59 0.21 0.38 34.58 0.80 0.21 0.59 34.60 1.03 0.21 0.83 34.62 1.30 0.21 1.09 34.64 1.58 0.21 1.37 34.66 1.88 0.21 1.67 34.68 2.21 0.21 2.00 34.70 2.55 0.21 2.34 34.72 2.91 0.21 2.70 34.74 3.29 0.21 3.08 34.76 3.68 0.21 3.47 34.78 4.09 0.21 3.88 34.80 4.51 0.21 4.30 34.82 4.95 0.21 4.74 34.84 5.40 0.21 5.19 34.86 5.87 0.22 5.65 34.88 6.34 0.22 6.13 34.90 6.83 0.22 6.62 34.92 7.34 0.22 7.12 34.94 7.85 0.22 7.64 34.96 8.38 0.22 8.16 34.98 8.92 0.22 8.70 35.00 9.47 0.22 9.25 Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 33HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 2AP: Grassed Swale Leaching - M2 Elevation (feet) Surface (sq-ft) Wetted (sq-ft) Storage (cubic-feet) 33.00 2,890 2,890 0 33.02 2,899 2,900 58 33.04 2,907 2,910 116 33.06 2,916 2,920 174 33.08 2,925 2,930 233 33.10 2,934 2,940 291 33.12 2,943 2,950 350 33.14 2,951 2,959 409 33.16 2,960 2,969 468 33.18 2,969 2,979 527 33.20 2,978 2,989 587 33.22 2,987 2,999 646 33.24 2,996 3,009 706 33.26 3,004 3,019 766 33.28 3,013 3,029 826 33.30 3,022 3,040 887 33.32 3,031 3,050 947 33.34 3,040 3,060 1,008 33.36 3,049 3,070 1,069 33.38 3,058 3,080 1,130 33.40 3,067 3,090 1,191 33.42 3,076 3,100 1,253 33.44 3,085 3,110 1,314 33.46 3,094 3,120 1,376 33.48 3,103 3,130 1,438 33.50 3,112 3,141 1,500 33.52 3,121 3,151 1,563 33.54 3,130 3,161 1,625 33.56 3,139 3,171 1,688 33.58 3,148 3,181 1,751 33.60 3,158 3,192 1,814 33.62 3,167 3,202 1,877 33.64 3,176 3,212 1,940 33.66 3,185 3,222 2,004 33.68 3,194 3,233 2,068 33.70 3,203 3,243 2,132 33.72 3,213 3,253 2,196 33.74 3,222 3,263 2,260 33.76 3,231 3,274 2,325 33.78 3,240 3,284 2,389 33.80 3,249 3,294 2,454 33.82 3,259 3,305 2,519 33.84 3,268 3,315 2,585 33.86 3,277 3,325 2,650 33.88 3,287 3,336 2,716 33.90 3,296 3,346 2,782 33.92 3,305 3,357 2,848 33.94 3,314 3,367 2,914 33.96 3,324 3,377 2,980 33.98 3,333 3,388 3,047 34.00 3,343 3,398 3,114 34.02 3,352 3,409 3,180 Elevation (feet) Surface (sq-ft) Wetted (sq-ft) Storage (cubic-feet) 34.04 3,361 3,419 3,248 34.06 3,371 3,430 3,315 34.08 3,380 3,440 3,382 34.10 3,390 3,451 3,450 34.12 3,399 3,461 3,518 34.14 3,409 3,472 3,586 34.16 3,418 3,482 3,654 34.18 3,428 3,493 3,723 34.20 3,437 3,503 3,791 34.22 3,447 3,514 3,860 34.24 3,456 3,524 3,929 34.26 3,466 3,535 3,999 34.28 3,475 3,546 4,068 34.30 3,485 3,556 4,138 34.32 3,494 3,567 4,207 34.34 3,504 3,577 4,277 34.36 3,514 3,588 4,347 34.38 3,523 3,599 4,418 34.40 3,533 3,609 4,488 34.42 3,542 3,620 4,559 34.44 3,552 3,631 4,630 34.46 3,562 3,641 4,701 34.48 3,571 3,652 4,773 34.50 3,581 3,663 4,844 34.52 3,591 3,674 4,916 34.54 3,601 3,684 4,988 34.56 3,610 3,695 5,060 34.58 3,620 3,706 5,132 34.60 3,630 3,717 5,205 34.62 3,640 3,727 5,277 34.64 3,649 3,738 5,350 34.66 3,659 3,749 5,423 34.68 3,669 3,760 5,497 34.70 3,679 3,771 5,570 34.72 3,689 3,781 5,644 34.74 3,699 3,792 5,718 34.76 3,708 3,803 5,792 34.78 3,718 3,814 5,866 34.80 3,728 3,825 5,940 34.82 3,738 3,836 6,015 34.84 3,748 3,847 6,090 34.86 3,758 3,858 6,165 34.88 3,768 3,868 6,240 34.90 3,778 3,879 6,316 34.92 3,788 3,890 6,391 34.94 3,798 3,901 6,467 34.96 3,808 3,912 6,543 34.98 3,818 3,923 6,620 35.00 3,828 3,934 6,696 Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 34HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Pond 2AR: (7) CB's in Pavement Inflow Area = 2.888 ac, 25.63% Impervious, Inflow Depth = 0.24" for 2-year event Inflow = 0.27 cfs @ 12.37 hrs, Volume= 0.058 af Outflow = 0.27 cfs @ 12.37 hrs, Volume= 0.058 af, Atten= 0%, Lag= 0.0 min Primary = 0.27 cfs @ 12.37 hrs, Volume= 0.058 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Peak Elev= 35.81' @ 12.37 hrs Flood Elev= 38.20' Device Routing Invert Outlet Devices #1 Primary 35.70'12.0" Round Culvert X 7.00 L= 50.0' CPP, projecting, no headwall, Ke= 0.900 Inlet / Outlet Invert= 35.70' / 35.00' S= 0.0140 '/' Cc= 0.900 n= 0.020 Corrugated PE, corrugated interior, Flow Area= 0.79 sf Primary OutFlow Max=0.27 cfs @ 12.37 hrs HW=35.81' TW=33.02' (Dynamic Tailwater) 1=Culvert (Barrel Controls 0.27 cfs @ 1.22 fps) Pond 2AR: (7) CB's in Pavement Inflow Primary Hydrograph Time (hours) 26242220181614121086420Flow (cfs)0.28 0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 Inflow Area=2.888 ac Peak Elev=35.81' 12.0" Round Culvert x 7.00 n=0.020 L=50.0' S=0.0140 '/' 0.27 cfs 0.27 cfs Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 35HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Pond 2AR: (7) CB's in Pavement Primary Stage-Discharge Discharge (cfs) 26242220181614121086420Elevation (feet)38 37 36 Culvert Pond 2AR: (7) CB's in Pavement Storage Stage-Area-Storage Storage (cubic-feet) 0Elevation (feet)38 37 36 Flood Elevation Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 36HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Pond 2AR: (7) CB's in Pavement Time (hours) Inflow (cfs) Elevation (feet) Primary (cfs) 0.00 0.00 35.70 0.00 0.30 0.00 35.70 0.00 0.60 0.00 35.70 0.00 0.90 0.00 35.70 0.00 1.20 0.00 35.70 0.00 1.50 0.00 35.70 0.00 1.80 0.00 35.70 0.00 2.10 0.00 35.70 0.00 2.40 0.00 35.70 0.00 2.70 0.00 35.70 0.00 3.00 0.00 35.70 0.00 3.30 0.00 35.70 0.00 3.60 0.00 35.70 0.00 3.90 0.00 35.70 0.00 4.20 0.00 35.70 0.00 4.50 0.00 35.70 0.00 4.80 0.00 35.70 0.00 5.10 0.00 35.70 0.00 5.40 0.00 35.70 0.00 5.70 0.00 35.70 0.00 6.00 0.00 35.70 0.00 6.30 0.00 35.70 0.00 6.60 0.00 35.70 0.00 6.90 0.00 35.70 0.00 7.20 0.00 35.70 0.00 7.50 0.00 35.70 0.00 7.80 0.00 35.70 0.00 8.10 0.00 35.70 0.00 8.40 0.00 35.70 0.00 8.70 0.00 35.70 0.00 9.00 0.00 35.70 0.00 9.30 0.00 35.70 0.00 9.60 0.00 35.70 0.00 9.90 0.00 35.70 0.00 10.20 0.00 35.70 0.00 10.50 0.00 35.70 0.00 10.80 0.00 35.70 0.00 11.10 0.00 35.70 0.00 11.40 0.00 35.70 0.00 11.70 0.00 35.70 0.00 12.00 0.00 35.70 0.00 12.30 0.25 35.81 0.25 12.60 0.16 35.79 0.16 12.90 0.13 35.78 0.13 13.20 0.11 35.77 0.11 13.50 0.10 35.77 0.10 13.80 0.10 35.77 0.10 14.10 0.09 35.77 0.09 14.40 0.09 35.76 0.09 14.70 0.08 35.76 0.08 15.00 0.08 35.76 0.08 15.30 0.07 35.76 0.07 Time (hours) Inflow (cfs) Elevation (feet) Primary (cfs) 15.60 0.07 35.76 0.07 15.90 0.06 35.76 0.06 16.20 0.06 35.75 0.06 16.50 0.05 35.75 0.05 16.80 0.05 35.75 0.05 17.10 0.05 35.75 0.05 17.40 0.05 35.75 0.05 17.70 0.04 35.75 0.04 18.00 0.04 35.75 0.04 18.30 0.04 35.74 0.04 18.60 0.04 35.74 0.04 18.90 0.04 35.74 0.04 19.20 0.04 35.74 0.04 19.50 0.03 35.74 0.03 19.80 0.03 35.74 0.03 20.10 0.03 35.74 0.03 20.40 0.03 35.74 0.03 20.70 0.03 35.74 0.03 21.00 0.03 35.74 0.03 21.30 0.03 35.74 0.03 21.60 0.03 35.74 0.03 21.90 0.03 35.74 0.03 22.20 0.03 35.74 0.03 22.50 0.03 35.74 0.03 22.80 0.03 35.74 0.03 23.10 0.03 35.74 0.03 23.40 0.03 35.74 0.03 23.70 0.02 35.74 0.02 24.00 0.02 35.74 0.02 24.30 0.00 35.70 0.00 24.60 0.00 35.70 0.00 24.90 0.00 35.70 0.00 25.20 0.00 35.70 0.00 25.50 0.00 35.70 0.00 25.80 0.00 35.70 0.00 26.10 0.00 35.70 0.00 26.40 0.00 35.70 0.00 26.70 0.00 35.70 0.00 27.00 0.00 35.70 0.00 27.30 0.00 35.70 0.00 27.60 0.00 35.70 0.00 27.90 0.00 35.70 0.00 Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 37HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Discharge for Pond 2AR: (7) CB's in Pavement Elevation (feet) Primary (cfs) 35.70 0.00 35.71 0.00 35.72 0.01 35.73 0.02 35.74 0.03 35.75 0.05 35.76 0.07 35.77 0.10 35.78 0.13 35.79 0.17 35.80 0.22 35.81 0.26 35.82 0.32 35.83 0.37 35.84 0.44 35.85 0.50 35.86 0.57 35.87 0.65 35.88 0.73 35.89 0.81 35.90 0.90 35.91 1.00 35.92 1.10 35.93 1.20 35.94 1.30 35.95 1.41 35.96 1.53 35.97 1.65 35.98 1.77 35.99 1.89 36.00 2.02 36.01 2.16 36.02 2.29 36.03 2.43 36.04 2.58 36.05 2.72 36.06 2.87 36.07 3.02 36.08 3.18 36.09 3.33 36.10 3.49 36.11 3.65 36.12 3.82 36.13 3.98 36.14 4.15 36.15 4.33 36.16 4.50 36.17 4.68 36.18 4.86 36.19 5.04 36.20 5.22 36.21 5.41 Elevation (feet) Primary (cfs) 36.22 5.60 36.23 5.79 36.24 5.98 36.25 6.18 36.26 6.37 36.27 6.57 36.28 6.77 36.29 6.97 36.30 7.17 36.31 7.37 36.32 7.58 36.33 7.78 36.34 7.99 36.35 8.20 36.36 8.41 36.37 8.61 36.38 8.82 36.39 9.03 36.40 9.24 36.41 9.45 36.42 9.67 36.43 9.88 36.44 10.09 36.45 10.30 36.46 10.51 36.47 10.71 36.48 10.92 36.49 11.13 36.50 11.34 36.51 11.54 36.52 11.74 36.53 11.95 36.54 12.15 36.55 12.34 36.56 12.54 36.57 12.73 36.58 12.92 36.59 13.11 36.60 13.29 36.61 13.47 36.62 13.64 36.63 13.81 36.64 13.98 36.65 14.13 36.66 14.28 36.67 14.43 36.68 14.56 36.69 14.68 36.70 14.78 36.71 14.92 36.72 15.07 36.73 15.21 Elevation (feet) Primary (cfs) 36.74 15.36 36.75 15.50 36.76 15.64 36.77 15.78 36.78 15.92 36.79 16.05 36.80 16.19 36.81 16.32 36.82 16.46 36.83 16.59 36.84 16.72 36.85 16.85 36.86 16.98 36.87 17.11 36.88 17.23 36.89 17.36 36.90 17.49 36.91 17.61 36.92 17.73 36.93 17.86 36.94 17.98 36.95 18.10 36.96 18.22 36.97 18.34 36.98 18.46 36.99 18.58 37.00 18.69 37.01 18.81 37.02 18.92 37.03 19.04 37.04 18.99 37.05 19.08 37.06 19.17 37.07 19.26 37.08 19.35 37.09 19.44 37.10 19.53 37.11 19.62 37.12 19.70 37.13 19.79 37.14 19.88 37.15 19.97 37.16 20.05 37.17 20.14 37.18 20.22 37.19 20.31 37.20 20.39 37.21 20.48 37.22 20.56 37.23 20.65 37.24 20.73 37.25 20.82 Elevation (feet) Primary (cfs) 37.26 20.90 37.27 20.98 37.28 21.06 37.29 21.15 37.30 21.23 37.31 21.31 37.32 21.39 37.33 21.47 37.34 21.55 37.35 21.63 37.36 21.71 37.37 21.79 37.38 21.87 37.39 21.95 37.40 22.03 37.41 22.11 37.42 22.19 37.43 22.26 37.44 22.34 37.45 22.42 37.46 22.50 37.47 22.57 37.48 22.65 37.49 22.73 37.50 22.80 37.51 22.88 37.52 22.95 37.53 23.03 37.54 23.10 37.55 23.18 37.56 23.25 37.57 23.33 37.58 23.40 37.59 23.48 37.60 23.55 37.61 23.62 37.62 23.70 37.63 23.77 37.64 23.84 37.65 23.92 37.66 23.99 37.67 24.06 37.68 24.13 37.69 24.20 37.70 24.27 37.71 24.35 37.72 24.42 37.73 24.49 37.74 24.56 37.75 24.63 37.76 24.70 37.77 24.77 Elevation (feet) Primary (cfs) 37.78 24.84 37.79 24.91 37.80 24.98 37.81 25.05 37.82 25.12 37.83 25.19 37.84 25.25 37.85 25.32 37.86 25.39 37.87 25.46 37.88 25.53 37.89 25.60 37.90 25.66 37.91 25.73 37.92 25.80 37.93 25.86 37.94 25.93 37.95 26.00 37.96 26.06 37.97 26.13 37.98 26.20 37.99 26.26 38.00 26.33 38.01 26.40 38.02 26.46 38.03 26.53 38.04 26.59 38.05 26.66 38.06 26.72 38.07 26.79 38.08 26.85 38.09 26.92 38.10 26.98 38.11 27.04 38.12 27.11 38.13 27.17 38.14 27.24 38.15 27.30 38.16 27.36 38.17 27.43 38.18 27.49 38.19 27.55 38.20 27.61 Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 38HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 2AR: (7) CB's in Pavement Elevation (feet) Storage (cubic-feet) 35.70 0 35.72 0 35.74 0 35.76 0 35.78 0 35.80 0 35.82 0 35.84 0 35.86 0 35.88 0 35.90 0 35.92 0 35.94 0 35.96 0 35.98 0 36.00 0 36.02 0 36.04 0 36.06 0 36.08 0 36.10 0 36.12 0 36.14 0 36.16 0 36.18 0 36.20 0 36.22 0 36.24 0 36.26 0 36.28 0 36.30 0 36.32 0 36.34 0 36.36 0 36.38 0 36.40 0 36.42 0 36.44 0 36.46 0 36.48 0 36.50 0 36.52 0 36.54 0 36.56 0 36.58 0 36.60 0 36.62 0 36.64 0 36.66 0 36.68 0 36.70 0 36.72 0 Elevation (feet) Storage (cubic-feet) 36.74 0 36.76 0 36.78 0 36.80 0 36.82 0 36.84 0 36.86 0 36.88 0 36.90 0 36.92 0 36.94 0 36.96 0 36.98 0 37.00 0 37.02 0 37.04 0 37.06 0 37.08 0 37.10 0 37.12 0 37.14 0 37.16 0 37.18 0 37.20 0 37.22 0 37.24 0 37.26 0 37.28 0 37.30 0 37.32 0 37.34 0 37.36 0 37.38 0 37.40 0 37.42 0 37.44 0 37.46 0 37.48 0 37.50 0 37.52 0 37.54 0 37.56 0 37.58 0 37.60 0 37.62 0 37.64 0 37.66 0 37.68 0 37.70 0 37.72 0 37.74 0 37.76 0 Elevation (feet) Storage (cubic-feet) 37.78 0 37.80 0 37.82 0 37.84 0 37.86 0 37.88 0 37.90 0 37.92 0 37.94 0 37.96 0 37.98 0 38.00 0 38.02 0 38.04 0 38.06 0 38.08 0 38.10 0 38.12 0 38.14 0 38.16 0 38.18 0 38.20 0 Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 39HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Pond 2BP: (1) 70'x28' Leaching Facility - Two Rows of (5) 6'x6' Leach Pits, 14' O.C. with stone around Inflow = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Outflow = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af, Atten= 0%, Lag= 0.0 min Discarded = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Peak Elev= 26.50' @ 0.00 hrs Surf.Area= 1,960 sf Storage= 0 cf Plug-Flow detention time= (not calculated: initial storage exceeds outflow) Center-of-Mass det. time= (not calculated: no inflow) Volume Invert Avail.Storage Storage Description #1 26.50' 4,396 cf 28.00'W x 70.00'L x 6.00'H Prismatoid 11,760 cf Overall - 1,991 cf Embedded = 9,769 cf x 45.0% Voids #2 26.50' 1,696 cf 6.00'D x 6.00'H Vertical Cone/Cylinder x 10 Inside #1 1,991 cf Overall - 3.0" Wall Thickness = 1,696 cf 6,093 cf Total Available Storage Device Routing Invert Outlet Devices #1 Discarded 26.50'8.270 in/hr Exfiltration over Wetted area Phase-In= 0.01' Discarded OutFlow Max=0.00 cfs @ 0.00 hrs HW=26.50' (Free Discharge) 1=Exfiltration ( Controls 0.00 cfs) Pond 2BP: (1) 70'x28' Leaching Facility - Two Rows of (5) 6'x6' Leach Pits, 14' O.C. with stone around Inflow Discarded Hydrograph Time (hours) 26242220181614121086420Flow (cfs)1 0 Peak Elev=26.50' Storage=0 cf 0.00 cfs 0.00 cfs Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 40HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Pond 2BP: (1) 70'x28' Leaching Facility - Two Rows of (5) 6'x6' Leach Pits, 14' O.C. with stone around Discarded Stage-Discharge Discharge (cfs) 0.60.580.560.540.520.50.480.460.440.420.40.380.360.340.320.30.280.260.240.220.20.180.160.140.120.10.080.060.040.020Elevation (feet)32 31 30 29 28 27 Exfiltration Pond 2BP: (1) 70'x28' Leaching Facility - Two Rows of (5) 6'x6' Leach Pits, 14' O.C. with stone around Wetted Storage Stage-Area-Storage Storage (cubic-feet) 6,0005,0004,0003,0002,0001,0000 Surface/Horizontal/Wetted Area (sq-ft) 3,0002,8002,6002,4002,2002,0001,8001,6001,4001,2001,0008006004002000 Elevation (feet)32 31 30 29 28 27 Prismatoid + Vertical Cone/Cylinder Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 41HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Pond 2BP: (1) 70'x28' Leaching Facility - Two Rows of (5) 6'x6' Leach Pits, 14' O.C. with stone around Time (hours) Inflow (cfs) Elevation (feet) Discarded (cfs) 0.00 0.00 26.50 0.00 0.30 0.00 26.50 0.00 0.60 0.00 26.50 0.00 0.90 0.00 26.50 0.00 1.20 0.00 26.50 0.00 1.50 0.00 26.50 0.00 1.80 0.00 26.50 0.00 2.10 0.00 26.50 0.00 2.40 0.00 26.50 0.00 2.70 0.00 26.50 0.00 3.00 0.00 26.50 0.00 3.30 0.00 26.50 0.00 3.60 0.00 26.50 0.00 3.90 0.00 26.50 0.00 4.20 0.00 26.50 0.00 4.50 0.00 26.50 0.00 4.80 0.00 26.50 0.00 5.10 0.00 26.50 0.00 5.40 0.00 26.50 0.00 5.70 0.00 26.50 0.00 6.00 0.00 26.50 0.00 6.30 0.00 26.50 0.00 6.60 0.00 26.50 0.00 6.90 0.00 26.50 0.00 7.20 0.00 26.50 0.00 7.50 0.00 26.50 0.00 7.80 0.00 26.50 0.00 8.10 0.00 26.50 0.00 8.40 0.00 26.50 0.00 8.70 0.00 26.50 0.00 9.00 0.00 26.50 0.00 9.30 0.00 26.50 0.00 9.60 0.00 26.50 0.00 9.90 0.00 26.50 0.00 10.20 0.00 26.50 0.00 10.50 0.00 26.50 0.00 10.80 0.00 26.50 0.00 11.10 0.00 26.50 0.00 11.40 0.00 26.50 0.00 11.70 0.00 26.50 0.00 12.00 0.00 26.50 0.00 12.30 0.00 26.50 0.00 12.60 0.00 26.50 0.00 12.90 0.00 26.50 0.00 13.20 0.00 26.50 0.00 13.50 0.00 26.50 0.00 13.80 0.00 26.50 0.00 14.10 0.00 26.50 0.00 14.40 0.00 26.50 0.00 14.70 0.00 26.50 0.00 15.00 0.00 26.50 0.00 15.30 0.00 26.50 0.00 Time (hours) Inflow (cfs) Elevation (feet) Discarded (cfs) 15.60 0.00 26.50 0.00 15.90 0.00 26.50 0.00 16.20 0.00 26.50 0.00 16.50 0.00 26.50 0.00 16.80 0.00 26.50 0.00 17.10 0.00 26.50 0.00 17.40 0.00 26.50 0.00 17.70 0.00 26.50 0.00 18.00 0.00 26.50 0.00 18.30 0.00 26.50 0.00 18.60 0.00 26.50 0.00 18.90 0.00 26.50 0.00 19.20 0.00 26.50 0.00 19.50 0.00 26.50 0.00 19.80 0.00 26.50 0.00 20.10 0.00 26.50 0.00 20.40 0.00 26.50 0.00 20.70 0.00 26.50 0.00 21.00 0.00 26.50 0.00 21.30 0.00 26.50 0.00 21.60 0.00 26.50 0.00 21.90 0.00 26.50 0.00 22.20 0.00 26.50 0.00 22.50 0.00 26.50 0.00 22.80 0.00 26.50 0.00 23.10 0.00 26.50 0.00 23.40 0.00 26.50 0.00 23.70 0.00 26.50 0.00 24.00 0.00 26.50 0.00 24.30 0.00 26.50 0.00 24.60 0.00 26.50 0.00 24.90 0.00 26.50 0.00 25.20 0.00 26.50 0.00 25.50 0.00 26.50 0.00 25.80 0.00 26.50 0.00 26.10 0.00 26.50 0.00 26.40 0.00 26.50 0.00 26.70 0.00 26.50 0.00 27.00 0.00 26.50 0.00 27.30 0.00 26.50 0.00 27.60 0.00 26.50 0.00 27.90 0.00 26.50 0.00 Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 42HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Discharge for Pond 2BP: (1) 70'x28' Leaching Facility - Two Rows of (5) 6'x6' Leach Pits, 14' O.C. with stone around Elevation (feet) Discarded (cfs) 26.50 0.00 26.54 0.38 26.58 0.38 26.62 0.38 26.66 0.38 26.70 0.38 26.74 0.38 26.78 0.39 26.82 0.39 26.86 0.39 26.90 0.39 26.94 0.39 26.98 0.39 27.02 0.39 27.06 0.40 27.10 0.40 27.14 0.40 27.18 0.40 27.22 0.40 27.26 0.40 27.30 0.41 27.34 0.41 27.38 0.41 27.42 0.41 27.46 0.41 27.50 0.41 27.54 0.41 27.58 0.42 27.62 0.42 27.66 0.42 27.70 0.42 27.74 0.42 27.78 0.42 27.82 0.42 27.86 0.43 27.90 0.43 27.94 0.43 27.98 0.43 28.02 0.43 28.06 0.43 28.10 0.44 28.14 0.44 28.18 0.44 28.22 0.44 28.26 0.44 28.30 0.44 28.34 0.44 28.38 0.45 28.42 0.45 28.46 0.45 28.50 0.45 28.54 0.45 Elevation (feet) Discarded (cfs) 28.58 0.45 28.62 0.45 28.66 0.46 28.70 0.46 28.74 0.46 28.78 0.46 28.82 0.46 28.86 0.46 28.90 0.47 28.94 0.47 28.98 0.47 29.02 0.47 29.06 0.47 29.10 0.47 29.14 0.47 29.18 0.48 29.22 0.48 29.26 0.48 29.30 0.48 29.34 0.48 29.38 0.48 29.42 0.48 29.46 0.49 29.50 0.49 29.54 0.49 29.58 0.49 29.62 0.49 29.66 0.49 29.70 0.50 29.74 0.50 29.78 0.50 29.82 0.50 29.86 0.50 29.90 0.50 29.94 0.50 29.98 0.51 30.02 0.51 30.06 0.51 30.10 0.51 30.14 0.51 30.18 0.51 30.22 0.51 30.26 0.52 30.30 0.52 30.34 0.52 30.38 0.52 30.42 0.52 30.46 0.52 30.50 0.53 30.54 0.53 30.58 0.53 30.62 0.53 Elevation (feet) Discarded (cfs) 30.66 0.53 30.70 0.53 30.74 0.53 30.78 0.54 30.82 0.54 30.86 0.54 30.90 0.54 30.94 0.54 30.98 0.54 31.02 0.54 31.06 0.55 31.10 0.55 31.14 0.55 31.18 0.55 31.22 0.55 31.26 0.55 31.30 0.56 31.34 0.56 31.38 0.56 31.42 0.56 31.46 0.56 31.50 0.56 31.54 0.56 31.58 0.57 31.62 0.57 31.66 0.57 31.70 0.57 31.74 0.57 31.78 0.57 31.82 0.57 31.86 0.58 31.90 0.58 31.94 0.58 31.98 0.58 32.02 0.58 32.06 0.58 32.10 0.59 32.14 0.59 32.18 0.59 32.22 0.59 32.26 0.59 32.30 0.59 32.34 0.59 32.38 0.60 32.42 0.60 32.46 0.60 32.50 0.60 Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 43HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 2BP: (1) 70'x28' Leaching Facility - Two Rows of (5) 6'x6' Leach Pits, 14' O.C. with stone around Elevation (feet) Wetted (sq-ft) Storage (cubic-feet) 26.50 1,960 0 26.60 1,980 102 26.70 1,999 203 26.80 2,019 305 26.90 2,038 406 27.00 2,058 508 27.10 2,078 609 27.20 2,097 711 27.30 2,117 812 27.40 2,136 914 27.50 2,156 1,015 27.60 2,176 1,117 27.70 2,195 1,219 27.80 2,215 1,320 27.90 2,234 1,422 28.00 2,254 1,523 28.10 2,274 1,625 28.20 2,293 1,726 28.30 2,313 1,828 28.40 2,332 1,929 28.50 2,352 2,031 28.60 2,372 2,132 28.70 2,391 2,234 28.80 2,411 2,335 28.90 2,430 2,437 29.00 2,450 2,539 29.10 2,470 2,640 29.20 2,489 2,742 29.30 2,509 2,843 29.40 2,528 2,945 29.50 2,548 3,046 29.60 2,568 3,148 29.70 2,587 3,249 29.80 2,607 3,351 29.90 2,626 3,452 30.00 2,646 3,554 30.10 2,666 3,656 30.20 2,685 3,757 30.30 2,705 3,859 30.40 2,724 3,960 30.50 2,744 4,062 30.60 2,764 4,163 30.70 2,783 4,265 30.80 2,803 4,366 30.90 2,822 4,468 31.00 2,842 4,569 31.10 2,862 4,671 31.20 2,881 4,772 31.30 2,901 4,874 31.40 2,920 4,976 31.50 2,940 5,077 31.60 2,960 5,179 Elevation (feet) Wetted (sq-ft) Storage (cubic-feet) 31.70 2,979 5,280 31.80 2,999 5,382 31.90 3,018 5,483 32.00 3,038 5,585 32.10 3,058 5,686 32.20 3,077 5,788 32.30 3,097 5,889 32.40 3,116 5,991 32.50 3,136 6,093 Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 44HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Pond 3P: (2) 15.5' x 4.33' x 2.5' Leaching Facilities (per Dwelling) - Each with (2) Cultec Recharger 330XLHD Units (Stoneless) Inflow Area = 0.030 ac,100.00% Impervious, Inflow Depth = 3.13" for 2-year event Inflow = 0.10 cfs @ 12.08 hrs, Volume= 0.008 af Outflow = 0.03 cfs @ 12.42 hrs, Volume= 0.008 af, Atten= 72%, Lag= 20.3 min Discarded = 0.03 cfs @ 12.42 hrs, Volume= 0.008 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Peak Elev= 50.50' @ 12.42 hrs Surf.Area= 120 sf Storage= 61 cf Plug-Flow detention time= 10.9 min calculated for 0.008 af (100% of inflow) Center-of-Mass det. time= 10.9 min ( 766.3 - 755.4 ) Volume Invert Avail.Storage Storage Description #1 50.00' 231 cf Cultec R-330XLHD x 4 Effective Size= 47.8"W x 30.0"H => 7.45 sf x 7.00'L = 52.2 cf Overall Size= 52.0"W x 30.5"H x 8.50'L with 1.50' Overlap Row Length Adjustment= +1.50' x 7.45 sf x 2 rows Device Routing Invert Outlet Devices #1 Discarded 50.00'8.270 in/hr Exfiltration over Wetted area Phase-In= 0.01' Discarded OutFlow Max=0.03 cfs @ 12.42 hrs HW=50.50' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.03 cfs) Pond 3P: (2) 15.5' x 4.33' x 2.5' Leaching Facilities (per Dwelling) - Each with (2) Cultec Recharger 330XLHD Units (Stoneless) Inflow Discarded Hydrograph Time (hours) 26242220181614121086420Flow (cfs)0.105 0.1 0.095 0.09 0.085 0.08 0.075 0.07 0.065 0.06 0.055 0.05 0.045 0.04 0.035 0.03 0.025 0.02 0.015 0.01 0.005 0 Inflow Area=0.030 ac Peak Elev=50.50' Storage=61 cf 0.10 cfs 0.03 cfs Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 45HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Pond 3P: (2) 15.5' x 4.33' x 2.5' Leaching Facilities (per Dwelling) - Each with (2) Cultec Recharger 330XLHD Units (Stoneless) Discarded Stage-Discharge Discharge (cfs) 0.040.0350.030.0250.020.0150.010.0050Elevation (feet)52 51 50 Exfiltration Pond 3P: (2) 15.5' x 4.33' x 2.5' Leaching Facilities (per Dwelling) - Each with (2) Cultec Recharger 330XLHD Units (Stoneless) Wetted Storage Stage-Area-Storage Storage (cubic-feet) 220200180160140120100806040200 Surface/Horizontal/Wetted Area (sq-ft) 220200180160140120100806040200 Elevation (feet)52 51 50 Cultec R-330XLHD Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 46HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Pond 3P: (2) 15.5' x 4.33' x 2.5' Leaching Facilities (per Dwelling) - Each with (2) Cultec Recharger 330XLHD Units (Stoneless) Time (hours) Inflow (cfs) Storage (cubic-feet) Elevation (feet) Discarded (cfs) 0.00 0.00 0 50.00 0.00 0.30 0.00 0 50.00 0.00 0.60 0.00 0 50.00 0.00 0.90 0.00 0 50.00 0.00 1.20 0.00 0 50.00 0.00 1.50 0.00 0 50.00 0.00 1.80 0.00 0 50.00 0.00 2.10 0.00 0 50.00 0.00 2.40 0.00 0 50.00 0.00 2.70 0.00 0 50.00 0.00 3.00 0.00 0 50.00 0.00 3.30 0.00 0 50.00 0.00 3.60 0.00 0 50.00 0.00 3.90 0.00 0 50.00 0.00 4.20 0.00 0 50.00 0.00 4.50 0.00 0 50.00 0.00 4.80 0.00 0 50.00 0.00 5.10 0.00 0 50.00 0.00 5.40 0.00 0 50.00 0.00 5.70 0.00 0 50.00 0.00 6.00 0.00 0 50.00 0.00 6.30 0.00 0 50.00 0.00 6.60 0.00 0 50.00 0.00 6.90 0.00 0 50.00 0.00 7.20 0.00 0 50.00 0.00 7.50 0.00 0 50.00 0.00 7.80 0.00 0 50.00 0.00 8.10 0.00 0 50.00 0.00 8.40 0.00 0 50.00 0.00 8.70 0.00 0 50.00 0.00 9.00 0.00 0 50.00 0.00 9.30 0.00 0 50.00 0.00 9.60 0.00 0 50.00 0.00 9.90 0.00 0 50.00 0.00 10.20 0.00 0 50.00 0.00 10.50 0.01 0 50.00 0.01 10.80 0.01 0 50.00 0.01 11.10 0.01 0 50.00 0.01 11.40 0.01 1 50.00 0.01 11.70 0.02 1 50.01 0.02 12.00 0.06 13 50.11 0.02 12.30 0.04 59 50.48 0.03 12.60 0.01 56 50.46 0.03 12.90 0.01 40 50.33 0.03 13.20 0.01 21 50.17 0.02 13.50 0.01 2 50.02 0.02 13.80 0.01 0 50.00 0.01 14.10 0.00 0 50.00 0.00 14.40 0.00 0 50.00 0.00 14.70 0.00 0 50.00 0.00 15.00 0.00 0 50.00 0.00 15.30 0.00 0 50.00 0.00 Time (hours) Inflow (cfs) Storage (cubic-feet) Elevation (feet) Discarded (cfs) 15.60 0.00 0 50.00 0.00 15.90 0.00 0 50.00 0.00 16.20 0.00 0 50.00 0.00 16.50 0.00 0 50.00 0.00 16.80 0.00 0 50.00 0.00 17.10 0.00 0 50.00 0.00 17.40 0.00 0 50.00 0.00 17.70 0.00 0 50.00 0.00 18.00 0.00 0 50.00 0.00 18.30 0.00 0 50.00 0.00 18.60 0.00 0 50.00 0.00 18.90 0.00 0 50.00 0.00 19.20 0.00 0 50.00 0.00 19.50 0.00 0 50.00 0.00 19.80 0.00 0 50.00 0.00 20.10 0.00 0 50.00 0.00 20.40 0.00 0 50.00 0.00 20.70 0.00 0 50.00 0.00 21.00 0.00 0 50.00 0.00 21.30 0.00 0 50.00 0.00 21.60 0.00 0 50.00 0.00 21.90 0.00 0 50.00 0.00 22.20 0.00 0 50.00 0.00 22.50 0.00 0 50.00 0.00 22.80 0.00 0 50.00 0.00 23.10 0.00 0 50.00 0.00 23.40 0.00 0 50.00 0.00 23.70 0.00 0 50.00 0.00 24.00 0.00 0 50.00 0.00 24.30 0.00 0 50.00 0.00 24.60 0.00 0 50.00 0.00 24.90 0.00 0 50.00 0.00 25.20 0.00 0 50.00 0.00 25.50 0.00 0 50.00 0.00 25.80 0.00 0 50.00 0.00 26.10 0.00 0 50.00 0.00 26.40 0.00 0 50.00 0.00 26.70 0.00 0 50.00 0.00 27.00 0.00 0 50.00 0.00 27.30 0.00 0 50.00 0.00 27.60 0.00 0 50.00 0.00 27.90 0.00 0 50.00 0.00 Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 47HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Discharge for Pond 3P: (2) 15.5' x 4.33' x 2.5' Leaching Facilities (per Dwelling) - Each with (2) Cultec Recharger 330XLHD Units (Stoneless) Elevation (feet) Discarded (cfs) 50.00 0.00 50.01 0.02 50.02 0.02 50.03 0.02 50.04 0.02 50.05 0.02 50.06 0.02 50.07 0.02 50.08 0.02 50.09 0.02 50.10 0.02 50.11 0.02 50.12 0.02 50.13 0.02 50.14 0.02 50.15 0.02 50.16 0.02 50.17 0.02 50.18 0.02 50.19 0.02 50.20 0.02 50.21 0.02 50.22 0.02 50.23 0.03 50.24 0.03 50.25 0.03 50.26 0.03 50.27 0.03 50.28 0.03 50.29 0.03 50.30 0.03 50.31 0.03 50.32 0.03 50.33 0.03 50.34 0.03 50.35 0.03 50.36 0.03 50.37 0.03 50.38 0.03 50.39 0.03 50.40 0.03 50.41 0.03 50.42 0.03 50.43 0.03 50.44 0.03 50.45 0.03 50.46 0.03 50.47 0.03 50.48 0.03 50.49 0.03 50.50 0.03 50.51 0.03 Elevation (feet) Discarded (cfs) 50.52 0.03 50.53 0.03 50.54 0.03 50.55 0.03 50.56 0.03 50.57 0.03 50.58 0.03 50.59 0.03 50.60 0.03 50.61 0.03 50.62 0.03 50.63 0.03 50.64 0.03 50.65 0.03 50.66 0.03 50.67 0.03 50.68 0.03 50.69 0.03 50.70 0.03 50.71 0.03 50.72 0.03 50.73 0.03 50.74 0.03 50.75 0.03 50.76 0.03 50.77 0.03 50.78 0.03 50.79 0.03 50.80 0.03 50.81 0.03 50.82 0.03 50.83 0.03 50.84 0.03 50.85 0.03 50.86 0.03 50.87 0.03 50.88 0.03 50.89 0.03 50.90 0.03 50.91 0.03 50.92 0.03 50.93 0.03 50.94 0.03 50.95 0.03 50.96 0.03 50.97 0.03 50.98 0.03 50.99 0.03 51.00 0.03 51.01 0.03 51.02 0.03 51.03 0.03 Elevation (feet) Discarded (cfs) 51.04 0.03 51.05 0.03 51.06 0.03 51.07 0.03 51.08 0.03 51.09 0.03 51.10 0.03 51.11 0.03 51.12 0.03 51.13 0.03 51.14 0.03 51.15 0.03 51.16 0.03 51.17 0.03 51.18 0.03 51.19 0.03 51.20 0.03 51.21 0.03 51.22 0.03 51.23 0.03 51.24 0.03 51.25 0.03 51.26 0.03 51.27 0.03 51.28 0.03 51.29 0.03 51.30 0.03 51.31 0.03 51.32 0.03 51.33 0.03 51.34 0.03 51.35 0.03 51.36 0.03 51.37 0.03 51.38 0.03 51.39 0.03 51.40 0.03 51.41 0.03 51.42 0.03 51.43 0.03 51.44 0.03 51.45 0.03 51.46 0.03 51.47 0.03 51.48 0.03 51.49 0.03 51.50 0.03 51.51 0.03 51.52 0.03 51.53 0.03 51.54 0.03 51.55 0.03 Elevation (feet) Discarded (cfs) 51.56 0.03 51.57 0.03 51.58 0.03 51.59 0.03 51.60 0.03 51.61 0.03 51.62 0.03 51.63 0.03 51.64 0.03 51.65 0.03 51.66 0.03 51.67 0.03 51.68 0.03 51.69 0.03 51.70 0.03 51.71 0.03 51.72 0.03 51.73 0.03 51.74 0.03 51.75 0.03 51.76 0.04 51.77 0.04 51.78 0.04 51.79 0.04 51.80 0.04 51.81 0.04 51.82 0.04 51.83 0.04 51.84 0.04 51.85 0.04 51.86 0.04 51.87 0.04 51.88 0.04 51.89 0.04 51.90 0.04 51.91 0.04 51.92 0.04 51.93 0.04 51.94 0.04 51.95 0.04 51.96 0.04 51.97 0.04 51.98 0.04 51.99 0.04 52.00 0.04 52.01 0.04 52.02 0.04 52.03 0.04 52.04 0.04 52.05 0.04 52.06 0.04 52.07 0.04 Elevation (feet) Discarded (cfs) 52.08 0.04 52.09 0.04 52.10 0.04 52.11 0.04 52.12 0.04 52.13 0.04 52.14 0.04 52.15 0.04 52.16 0.04 52.17 0.04 52.18 0.04 52.19 0.04 52.20 0.04 52.21 0.04 52.22 0.04 52.23 0.04 52.24 0.04 52.25 0.04 52.26 0.04 52.27 0.04 52.28 0.04 52.29 0.04 52.30 0.04 52.31 0.04 52.32 0.04 52.33 0.04 52.34 0.04 52.35 0.04 52.36 0.04 52.37 0.04 52.38 0.04 52.39 0.04 52.40 0.04 52.41 0.04 52.42 0.04 52.43 0.04 52.44 0.04 52.45 0.04 52.46 0.04 52.47 0.04 52.48 0.04 52.49 0.04 52.50 0.04 Type III 24-hr 2-year Rainfall=3.36"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 48HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 3P: (2) 15.5' x 4.33' x 2.5' Leaching Facilities (per Dwelling) - Each with (2) Cultec Recharger 330XLHD Units (Stoneless) Elevation (feet) Wetted (sq-ft) Storage (cubic-feet) 50.00 124 0 50.05 125 6 50.10 127 12 50.15 128 18 50.20 130 24 50.25 131 30 50.30 133 37 50.35 134 43 50.40 136 49 50.45 138 55 50.50 139 61 50.55 141 66 50.60 142 72 50.65 144 78 50.70 146 84 50.75 148 90 50.80 149 95 50.85 151 101 50.90 152 107 50.95 154 112 51.00 155 118 51.05 157 123 51.10 158 129 51.15 160 134 51.20 162 140 51.25 163 145 51.30 165 151 51.35 167 156 51.40 169 161 51.45 171 166 51.50 173 171 51.55 175 175 51.60 177 180 51.65 179 185 51.70 181 189 51.75 183 193 51.80 185 197 51.85 187 201 51.90 189 205 51.95 192 209 52.00 194 212 52.05 197 216 52.10 200 219 52.15 203 222 52.20 207 224 52.25 211 226 52.30 215 228 52.35 219 229 52.40 223 230 52.45 227 231 52.50 232 231 Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 49HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Subcatchment 1AS: Runoff into Catch Basins - M1 Runoff = 0.42 cfs @ 12.11 hrs, Volume= 0.039 af, Depth= 0.86" Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Type III 24-hr 10-year Rainfall=4.88" Area (sf) CN Description 6,290 98 Paved parking, HSG A 15,140 39 >75% Grass cover, Good, HSG A 2,500 36 Woods, Fair, HSG A 23,930 54 Weighted Average 17,640 73.72% Pervious Area 6,290 26.28% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.2 50 0.0600 0.16 Sheet Flow, Grass: Dense n= 0.240 P2= 3.36" 0.5 50 0.0600 1.71 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 0.3 60 0.0300 3.52 Shallow Concentrated Flow, Paved Kv= 20.3 fps 6.0 160 Total Subcatchment 1AS: Runoff into Catch Basins - M1 Runoff Hydrograph Time (hours) 26242220181614121086420Flow (cfs)0.46 0.44 0.42 0.4 0.38 0.36 0.34 0.32 0.3 0.28 0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 Type III 24-hr 10-year Rainfall=4.88" Runoff Area=23,930 sf Runoff Volume=0.039 af Runoff Depth=0.86" Flow Length=160' Tc=6.0 min CN=54 0.42 cfs Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 50HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Subcatchment 1AS: Runoff into Catch Basins - M1 Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 0.00 0.00 0.00 0.00 0.30 0.01 0.00 0.00 0.60 0.03 0.00 0.00 0.90 0.04 0.00 0.00 1.20 0.06 0.00 0.00 1.50 0.07 0.00 0.00 1.80 0.09 0.00 0.00 2.10 0.10 0.00 0.00 2.40 0.12 0.00 0.00 2.70 0.13 0.00 0.00 3.00 0.15 0.00 0.00 3.30 0.17 0.00 0.00 3.60 0.19 0.00 0.00 3.90 0.20 0.00 0.00 4.20 0.22 0.00 0.00 4.50 0.24 0.00 0.00 4.80 0.26 0.00 0.00 5.10 0.28 0.00 0.00 5.40 0.31 0.00 0.00 5.70 0.33 0.00 0.00 6.00 0.35 0.00 0.00 6.30 0.38 0.00 0.00 6.60 0.40 0.00 0.00 6.90 0.43 0.00 0.00 7.20 0.46 0.00 0.00 7.50 0.50 0.00 0.00 7.80 0.53 0.00 0.00 8.10 0.57 0.00 0.00 8.40 0.61 0.00 0.00 8.70 0.66 0.00 0.00 9.00 0.71 0.00 0.00 9.30 0.77 0.00 0.00 9.60 0.83 0.00 0.00 9.90 0.90 0.00 0.00 10.20 0.97 0.00 0.00 10.50 1.06 0.00 0.00 10.80 1.15 0.00 0.00 11.10 1.26 0.00 0.00 11.40 1.40 0.00 0.00 11.70 1.66 0.00 0.00 12.00 2.44 0.06 0.14 12.30 3.22 0.23 0.26 12.60 3.48 0.31 0.11 12.90 3.62 0.35 0.08 13.20 3.73 0.39 0.07 13.50 3.82 0.42 0.06 13.80 3.91 0.45 0.06 14.10 3.98 0.48 0.05 14.40 4.05 0.51 0.05 14.70 4.11 0.53 0.04 15.00 4.17 0.55 0.04 15.30 4.22 0.57 0.04 Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 15.60 4.27 0.59 0.03 15.90 4.31 0.61 0.03 16.20 4.35 0.63 0.03 16.50 4.38 0.64 0.03 16.80 4.42 0.66 0.03 17.10 4.45 0.67 0.02 17.40 4.48 0.68 0.02 17.70 4.50 0.69 0.02 18.00 4.53 0.70 0.02 18.30 4.55 0.71 0.02 18.60 4.57 0.72 0.02 18.90 4.60 0.73 0.02 19.20 4.62 0.74 0.02 19.50 4.64 0.75 0.02 19.80 4.66 0.76 0.02 20.10 4.68 0.77 0.02 20.40 4.70 0.78 0.02 20.70 4.71 0.79 0.02 21.00 4.73 0.79 0.01 21.30 4.75 0.80 0.01 21.60 4.76 0.81 0.01 21.90 4.78 0.82 0.01 22.20 4.80 0.82 0.01 22.50 4.81 0.83 0.01 22.80 4.83 0.84 0.01 23.10 4.84 0.84 0.01 23.40 4.85 0.85 0.01 23.70 4.87 0.86 0.01 24.00 4.88 0.86 0.01 24.30 4.88 0.86 0.00 24.60 4.88 0.86 0.00 24.90 4.88 0.86 0.00 25.20 4.88 0.86 0.00 25.50 4.88 0.86 0.00 25.80 4.88 0.86 0.00 26.10 4.88 0.86 0.00 26.40 4.88 0.86 0.00 26.70 4.88 0.86 0.00 27.00 4.88 0.86 0.00 27.30 4.88 0.86 0.00 27.60 4.88 0.86 0.00 27.90 4.88 0.86 0.00 Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 51HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Subcatchment 1BS: Direct Runoff into Swale - M1 Runoff = 0.00 cfs @ 12.50 hrs, Volume= 0.003 af, Depth= 0.18" Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Type III 24-hr 10-year Rainfall=4.88" Area (sf) CN Description 7,973 39 >75% Grass cover, Good, HSG A 7,973 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, (minimum) 5.0 0 Total, Increased to minimum Tc = 6.0 min Subcatchment 1BS: Direct Runoff into Swale - M1 Runoff Hydrograph Time (hours) 26242220181614121086420Flow (cfs)0.005 0.005 0.004 0.004 0.003 0.003 0.002 0.002 0.001 0.001 0 Type III 24-hr 10-year Rainfall=4.88" Runoff Area=7,973 sf Runoff Volume=0.003 af Runoff Depth=0.18" Tc=6.0 min CN=39 0.00 cfs Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 52HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Subcatchment 1BS: Direct Runoff into Swale - M1 Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 0.00 0.00 0.00 0.00 0.30 0.01 0.00 0.00 0.60 0.03 0.00 0.00 0.90 0.04 0.00 0.00 1.20 0.06 0.00 0.00 1.50 0.07 0.00 0.00 1.80 0.09 0.00 0.00 2.10 0.10 0.00 0.00 2.40 0.12 0.00 0.00 2.70 0.13 0.00 0.00 3.00 0.15 0.00 0.00 3.30 0.17 0.00 0.00 3.60 0.19 0.00 0.00 3.90 0.20 0.00 0.00 4.20 0.22 0.00 0.00 4.50 0.24 0.00 0.00 4.80 0.26 0.00 0.00 5.10 0.28 0.00 0.00 5.40 0.31 0.00 0.00 5.70 0.33 0.00 0.00 6.00 0.35 0.00 0.00 6.30 0.38 0.00 0.00 6.60 0.40 0.00 0.00 6.90 0.43 0.00 0.00 7.20 0.46 0.00 0.00 7.50 0.50 0.00 0.00 7.80 0.53 0.00 0.00 8.10 0.57 0.00 0.00 8.40 0.61 0.00 0.00 8.70 0.66 0.00 0.00 9.00 0.71 0.00 0.00 9.30 0.77 0.00 0.00 9.60 0.83 0.00 0.00 9.90 0.90 0.00 0.00 10.20 0.97 0.00 0.00 10.50 1.06 0.00 0.00 10.80 1.15 0.00 0.00 11.10 1.26 0.00 0.00 11.40 1.40 0.00 0.00 11.70 1.66 0.00 0.00 12.00 2.44 0.00 0.00 12.30 3.22 0.00 0.00 12.60 3.48 0.01 0.00 12.90 3.62 0.02 0.00 13.20 3.73 0.02 0.00 13.50 3.82 0.03 0.00 13.80 3.91 0.04 0.00 14.10 3.98 0.04 0.00 14.40 4.05 0.05 0.00 14.70 4.11 0.06 0.00 15.00 4.17 0.06 0.00 15.30 4.22 0.07 0.00 Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 15.60 4.27 0.08 0.00 15.90 4.31 0.08 0.00 16.20 4.35 0.09 0.00 16.50 4.38 0.09 0.00 16.80 4.42 0.10 0.00 17.10 4.45 0.10 0.00 17.40 4.48 0.11 0.00 17.70 4.50 0.11 0.00 18.00 4.53 0.12 0.00 18.30 4.55 0.12 0.00 18.60 4.57 0.12 0.00 18.90 4.60 0.13 0.00 19.20 4.62 0.13 0.00 19.50 4.64 0.13 0.00 19.80 4.66 0.14 0.00 20.10 4.68 0.14 0.00 20.40 4.70 0.14 0.00 20.70 4.71 0.15 0.00 21.00 4.73 0.15 0.00 21.30 4.75 0.15 0.00 21.60 4.76 0.15 0.00 21.90 4.78 0.16 0.00 22.20 4.80 0.16 0.00 22.50 4.81 0.16 0.00 22.80 4.83 0.17 0.00 23.10 4.84 0.17 0.00 23.40 4.85 0.17 0.00 23.70 4.87 0.17 0.00 24.00 4.88 0.18 0.00 24.30 4.88 0.18 0.00 24.60 4.88 0.18 0.00 24.90 4.88 0.18 0.00 25.20 4.88 0.18 0.00 25.50 4.88 0.18 0.00 25.80 4.88 0.18 0.00 26.10 4.88 0.18 0.00 26.40 4.88 0.18 0.00 26.70 4.88 0.18 0.00 27.00 4.88 0.18 0.00 27.30 4.88 0.18 0.00 27.60 4.88 0.18 0.00 27.90 4.88 0.18 0.00 Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 53HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Subcatchment 2AS: Runoff into Catch Basins - M2 Runoff = 1.86 cfs @ 12.13 hrs, Volume= 0.194 af, Depth= 0.81" Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Type III 24-hr 10-year Rainfall=4.88" Area (sf) CN Description 32,244 98 Paved parking, HSG A 51,318 39 >75% Grass cover, Good, HSG A 42,245 36 Woods, Fair, HSG A 125,807 53 Weighted Average 93,563 74.37% Pervious Area 32,244 25.63% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.5 50 0.0500 0.15 Sheet Flow, Grass: Dense n= 0.240 P2= 3.36" 1.5 90 0.0200 0.99 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 0.4 130 0.0600 4.97 Shallow Concentrated Flow, Paved Kv= 20.3 fps 7.4 270 Total Subcatchment 2AS: Runoff into Catch Basins - M2 Runoff Hydrograph Time (hours) 26242220181614121086420Flow (cfs)2 1 0 Type III 24-hr 10-year Rainfall=4.88" Runoff Area=125,807 sf Runoff Volume=0.194 af Runoff Depth=0.81" Flow Length=270' Tc=7.4 min CN=53 1.86 cfs Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 54HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Subcatchment 2AS: Runoff into Catch Basins - M2 Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 0.00 0.00 0.00 0.00 0.30 0.01 0.00 0.00 0.60 0.03 0.00 0.00 0.90 0.04 0.00 0.00 1.20 0.06 0.00 0.00 1.50 0.07 0.00 0.00 1.80 0.09 0.00 0.00 2.10 0.10 0.00 0.00 2.40 0.12 0.00 0.00 2.70 0.13 0.00 0.00 3.00 0.15 0.00 0.00 3.30 0.17 0.00 0.00 3.60 0.19 0.00 0.00 3.90 0.20 0.00 0.00 4.20 0.22 0.00 0.00 4.50 0.24 0.00 0.00 4.80 0.26 0.00 0.00 5.10 0.28 0.00 0.00 5.40 0.31 0.00 0.00 5.70 0.33 0.00 0.00 6.00 0.35 0.00 0.00 6.30 0.38 0.00 0.00 6.60 0.40 0.00 0.00 6.90 0.43 0.00 0.00 7.20 0.46 0.00 0.00 7.50 0.50 0.00 0.00 7.80 0.53 0.00 0.00 8.10 0.57 0.00 0.00 8.40 0.61 0.00 0.00 8.70 0.66 0.00 0.00 9.00 0.71 0.00 0.00 9.30 0.77 0.00 0.00 9.60 0.83 0.00 0.00 9.90 0.90 0.00 0.00 10.20 0.97 0.00 0.00 10.50 1.06 0.00 0.00 10.80 1.15 0.00 0.00 11.10 1.26 0.00 0.00 11.40 1.40 0.00 0.00 11.70 1.66 0.00 0.00 12.00 2.44 0.05 0.46 12.30 3.22 0.20 1.33 12.60 3.48 0.28 0.58 12.90 3.62 0.32 0.41 13.20 3.73 0.35 0.33 13.50 3.82 0.38 0.30 13.80 3.91 0.41 0.28 14.10 3.98 0.44 0.25 14.40 4.05 0.46 0.24 14.70 4.11 0.49 0.22 15.00 4.17 0.51 0.21 15.30 4.22 0.53 0.19 Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 15.60 4.27 0.55 0.18 15.90 4.31 0.56 0.16 16.20 4.35 0.58 0.14 16.50 4.38 0.59 0.14 16.80 4.42 0.61 0.13 17.10 4.45 0.62 0.12 17.40 4.48 0.63 0.11 17.70 4.50 0.64 0.11 18.00 4.53 0.65 0.10 18.30 4.55 0.66 0.09 18.60 4.57 0.67 0.09 18.90 4.60 0.68 0.09 19.20 4.62 0.69 0.09 19.50 4.64 0.70 0.08 19.80 4.66 0.71 0.08 20.10 4.68 0.72 0.08 20.40 4.70 0.72 0.08 20.70 4.71 0.73 0.08 21.00 4.73 0.74 0.07 21.30 4.75 0.75 0.07 21.60 4.76 0.75 0.07 21.90 4.78 0.76 0.07 22.20 4.80 0.77 0.07 22.50 4.81 0.78 0.07 22.80 4.83 0.78 0.06 23.10 4.84 0.79 0.06 23.40 4.85 0.79 0.06 23.70 4.87 0.80 0.06 24.00 4.88 0.81 0.06 24.30 4.88 0.81 0.00 24.60 4.88 0.81 0.00 24.90 4.88 0.81 0.00 25.20 4.88 0.81 0.00 25.50 4.88 0.81 0.00 25.80 4.88 0.81 0.00 26.10 4.88 0.81 0.00 26.40 4.88 0.81 0.00 26.70 4.88 0.81 0.00 27.00 4.88 0.81 0.00 27.30 4.88 0.81 0.00 27.60 4.88 0.81 0.00 27.90 4.88 0.81 0.00 Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 55HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Subcatchment 2BS: Direct Runoff into Swale - M2 Runoff = 0.11 cfs @ 12.40 hrs, Volume= 0.029 af, Depth= 0.28" Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Type III 24-hr 10-year Rainfall=4.88" Area (sf) CN Description 25,000 36 Woods, Fair, HSG A 24,058 39 >75% Grass cover, Good, HSG A 4,089 98 Paved parking, HSG A 53,147 42 Weighted Average 49,058 92.31% Pervious Area 4,089 7.69% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 3.5 50 0.1600 0.24 Sheet Flow, Grass: Dense n= 0.240 P2= 3.36" 2.8 330 0.0800 1.98 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 6.3 380 Total Subcatchment 2BS: Direct Runoff into Swale - M2 Runoff Hydrograph Time (hours) 26242220181614121086420Flow (cfs)0.12 0.115 0.11 0.105 0.1 0.095 0.09 0.085 0.08 0.075 0.07 0.065 0.06 0.055 0.05 0.045 0.04 0.035 0.03 0.025 0.02 0.015 0.01 0.005 0 Type III 24-hr 10-year Rainfall=4.88" Runoff Area=53,147 sf Runoff Volume=0.029 af Runoff Depth=0.28" Flow Length=380' Tc=6.3 min CN=42 0.11 cfs Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 56HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Subcatchment 2BS: Direct Runoff into Swale - M2 Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 0.00 0.00 0.00 0.00 0.30 0.01 0.00 0.00 0.60 0.03 0.00 0.00 0.90 0.04 0.00 0.00 1.20 0.06 0.00 0.00 1.50 0.07 0.00 0.00 1.80 0.09 0.00 0.00 2.10 0.10 0.00 0.00 2.40 0.12 0.00 0.00 2.70 0.13 0.00 0.00 3.00 0.15 0.00 0.00 3.30 0.17 0.00 0.00 3.60 0.19 0.00 0.00 3.90 0.20 0.00 0.00 4.20 0.22 0.00 0.00 4.50 0.24 0.00 0.00 4.80 0.26 0.00 0.00 5.10 0.28 0.00 0.00 5.40 0.31 0.00 0.00 5.70 0.33 0.00 0.00 6.00 0.35 0.00 0.00 6.30 0.38 0.00 0.00 6.60 0.40 0.00 0.00 6.90 0.43 0.00 0.00 7.20 0.46 0.00 0.00 7.50 0.50 0.00 0.00 7.80 0.53 0.00 0.00 8.10 0.57 0.00 0.00 8.40 0.61 0.00 0.00 8.70 0.66 0.00 0.00 9.00 0.71 0.00 0.00 9.30 0.77 0.00 0.00 9.60 0.83 0.00 0.00 9.90 0.90 0.00 0.00 10.20 0.97 0.00 0.00 10.50 1.06 0.00 0.00 10.80 1.15 0.00 0.00 11.10 1.26 0.00 0.00 11.40 1.40 0.00 0.00 11.70 1.66 0.00 0.00 12.00 2.44 0.00 0.00 12.30 3.22 0.01 0.09 12.60 3.48 0.04 0.07 12.90 3.62 0.05 0.06 13.20 3.73 0.06 0.05 13.50 3.82 0.08 0.05 13.80 3.91 0.09 0.05 14.10 3.98 0.10 0.05 14.40 4.05 0.11 0.04 14.70 4.11 0.12 0.04 15.00 4.17 0.13 0.04 15.30 4.22 0.14 0.04 Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 15.60 4.27 0.15 0.04 15.90 4.31 0.16 0.03 16.20 4.35 0.16 0.03 16.50 4.38 0.17 0.03 16.80 4.42 0.18 0.03 17.10 4.45 0.18 0.03 17.40 4.48 0.19 0.02 17.70 4.50 0.20 0.02 18.00 4.53 0.20 0.02 18.30 4.55 0.21 0.02 18.60 4.57 0.21 0.02 18.90 4.60 0.22 0.02 19.20 4.62 0.22 0.02 19.50 4.64 0.22 0.02 19.80 4.66 0.23 0.02 20.10 4.68 0.23 0.02 20.40 4.70 0.24 0.02 20.70 4.71 0.24 0.02 21.00 4.73 0.25 0.02 21.30 4.75 0.25 0.02 21.60 4.76 0.25 0.02 21.90 4.78 0.26 0.02 22.20 4.80 0.26 0.02 22.50 4.81 0.26 0.01 22.80 4.83 0.27 0.01 23.10 4.84 0.27 0.01 23.40 4.85 0.28 0.01 23.70 4.87 0.28 0.01 24.00 4.88 0.28 0.01 24.30 4.88 0.28 0.00 24.60 4.88 0.28 0.00 24.90 4.88 0.28 0.00 25.20 4.88 0.28 0.00 25.50 4.88 0.28 0.00 25.80 4.88 0.28 0.00 26.10 4.88 0.28 0.00 26.40 4.88 0.28 0.00 26.70 4.88 0.28 0.00 27.00 4.88 0.28 0.00 27.30 4.88 0.28 0.00 27.60 4.88 0.28 0.00 27.90 4.88 0.28 0.00 Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 57HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Subcatchment 3S: Roof Runoff (per Dwelling) Runoff = 0.14 cfs @ 12.08 hrs, Volume= 0.011 af, Depth= 4.64" Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Type III 24-hr 10-year Rainfall=4.88" Area (sf) CN Description 1,288 98 Roofs, HSG A 1,288 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 0.1 20 0.4000 3.33 Sheet Flow, Smooth surfaces n= 0.011 P2= 3.25" 0.1 20 Total, Increased to minimum Tc = 6.0 min Subcatchment 3S: Roof Runoff (per Dwelling) Runoff Hydrograph Time (hours) 26242220181614121086420Flow (cfs)0.15 0.14 0.13 0.12 0.11 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0 Type III 24-hr 10-year Rainfall=4.88" Runoff Area=1,288 sf Runoff Volume=0.011 af Runoff Depth=4.64" Flow Length=20' Slope=0.4000 '/' Tc=6.0 min CN=98 0.14 cfs Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 58HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Subcatchment 3S: Roof Runoff (per Dwelling) Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 0.00 0.00 0.00 0.00 0.30 0.01 0.00 0.00 0.60 0.03 0.00 0.00 0.90 0.04 0.00 0.00 1.20 0.06 0.00 0.00 1.50 0.07 0.00 0.00 1.80 0.09 0.01 0.00 2.10 0.10 0.01 0.00 2.40 0.12 0.02 0.00 2.70 0.13 0.03 0.00 3.00 0.15 0.04 0.00 3.30 0.17 0.05 0.00 3.60 0.19 0.06 0.00 3.90 0.20 0.07 0.00 4.20 0.22 0.09 0.00 4.50 0.24 0.10 0.00 4.80 0.26 0.12 0.00 5.10 0.28 0.13 0.00 5.40 0.31 0.15 0.00 5.70 0.33 0.17 0.00 6.00 0.35 0.19 0.00 6.30 0.38 0.21 0.00 6.60 0.40 0.23 0.00 6.90 0.43 0.26 0.00 7.20 0.46 0.28 0.00 7.50 0.50 0.31 0.00 7.80 0.53 0.35 0.00 8.10 0.57 0.38 0.00 8.40 0.61 0.42 0.00 8.70 0.66 0.46 0.00 9.00 0.71 0.51 0.01 9.30 0.77 0.57 0.01 9.60 0.83 0.63 0.01 9.90 0.90 0.69 0.01 10.20 0.97 0.76 0.01 10.50 1.06 0.85 0.01 10.80 1.15 0.94 0.01 11.10 1.26 1.04 0.01 11.40 1.40 1.18 0.01 11.70 1.66 1.43 0.03 12.00 2.44 2.21 0.09 12.30 3.22 2.99 0.06 12.60 3.48 3.25 0.02 12.90 3.62 3.39 0.01 13.20 3.73 3.49 0.01 13.50 3.82 3.59 0.01 13.80 3.91 3.67 0.01 14.10 3.98 3.75 0.01 14.40 4.05 3.81 0.01 14.70 4.11 3.88 0.01 15.00 4.17 3.93 0.01 15.30 4.22 3.99 0.01 Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 15.60 4.27 4.03 0.00 15.90 4.31 4.08 0.00 16.20 4.35 4.11 0.00 16.50 4.38 4.15 0.00 16.80 4.42 4.18 0.00 17.10 4.45 4.21 0.00 17.40 4.48 4.24 0.00 17.70 4.50 4.27 0.00 18.00 4.53 4.29 0.00 18.30 4.55 4.32 0.00 18.60 4.57 4.34 0.00 18.90 4.60 4.36 0.00 19.20 4.62 4.38 0.00 19.50 4.64 4.40 0.00 19.80 4.66 4.42 0.00 20.10 4.68 4.44 0.00 20.40 4.70 4.46 0.00 20.70 4.71 4.48 0.00 21.00 4.73 4.49 0.00 21.30 4.75 4.51 0.00 21.60 4.76 4.53 0.00 21.90 4.78 4.54 0.00 22.20 4.80 4.56 0.00 22.50 4.81 4.58 0.00 22.80 4.83 4.59 0.00 23.10 4.84 4.60 0.00 23.40 4.85 4.62 0.00 23.70 4.87 4.63 0.00 24.00 4.88 4.64 0.00 24.30 4.88 4.64 0.00 24.60 4.88 4.64 0.00 24.90 4.88 4.64 0.00 25.20 4.88 4.64 0.00 25.50 4.88 4.64 0.00 25.80 4.88 4.64 0.00 26.10 4.88 4.64 0.00 26.40 4.88 4.64 0.00 26.70 4.88 4.64 0.00 27.00 4.88 4.64 0.00 27.30 4.88 4.64 0.00 27.60 4.88 4.64 0.00 27.90 4.88 4.64 0.00 Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 59HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Pond 1AP: Grassed Swale Leaching - M1 Inflow Area = 0.732 ac, 19.72% Impervious, Inflow Depth = 0.69" for 10-year event Inflow = 0.42 cfs @ 12.11 hrs, Volume= 0.042 af Outflow = 0.05 cfs @ 14.06 hrs, Volume= 0.042 af, Atten= 87%, Lag= 117.1 min Discarded = 0.04 cfs @ 14.06 hrs, Volume= 0.041 af Secondary = 0.02 cfs @ 14.06 hrs, Volume= 0.002 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Peak Elev= 50.01' @ 14.06 hrs Surf.Area= 626 sf Storage= 699 cf Plug-Flow detention time= 234.6 min calculated for 0.042 af (100% of inflow) Center-of-Mass det. time= 234.6 min ( 1,141.4 - 906.8 ) Volume Invert Avail.Storage Storage Description #1 48.50' 2,417 cf Grassed Swale (Irregular) Listed below (Recalc) Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area (feet) (sq-ft) (feet) (cubic-feet) (cubic-feet) (sq-ft) 48.50 319 92.0 0 0 319 50.00 624 111.0 695 695 662 50.50 738 117.0 340 1,035 784 52.00 1,118 136.0 1,382 2,417 1,212 Device Routing Invert Outlet Devices #1 Discarded 48.50'2.410 in/hr Exfiltration over Wetted area Phase-In= 0.01' #2 Secondary 50.00'24.0" x 24.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads Discarded OutFlow Max=0.04 cfs @ 14.06 hrs HW=50.01' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.04 cfs) Secondary OutFlow Max=0.02 cfs @ 14.06 hrs HW=50.01' TW=42.00' (Dynamic Tailwater) 2=Orifice/Grate (Weir Controls 0.02 cfs @ 0.29 fps) Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 60HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Pond 1AP: Grassed Swale Leaching - M1 Inflow Outflow Discarded Secondary Hydrograph Time (hours) 26242220181614121086420Flow (cfs)0.46 0.44 0.42 0.4 0.38 0.36 0.34 0.32 0.3 0.28 0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 Inflow Area=0.732 ac Peak Elev=50.01' Storage=699 cf 0.42 cfs 0.05 cfs 0.04 cfs 0.02 cfs Pond 1AP: Grassed Swale Leaching - M1 Total Discarded Secondary Stage-Discharge Discharge (cfs) 26242220181614121086420Elevation (feet)52 51 50 49 Exfiltration Orifice/Grate Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 61HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Pond 1AP: Grassed Swale Leaching - M1 Surface Wetted Storage Stage-Area-Storage Storage (cubic-feet) 2,0001,5001,0005000 Surface/Horizontal/Wetted Area (sq-ft) 1,2001,0008006004002000 Elevation (feet)52 51 50 49 Grassed Swale Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 62HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Pond 1AP: Grassed Swale Leaching - M1 Time (hours) Inflow (cfs) Storage (cubic-feet) Elevation (feet) Outflow (cfs) Discarded (cfs) Secondary (cfs) 0.00 0.00 0 48.50 0.00 0.00 0.00 0.60 0.00 0 48.50 0.00 0.00 0.00 1.20 0.00 0 48.50 0.00 0.00 0.00 1.80 0.00 0 48.50 0.00 0.00 0.00 2.40 0.00 0 48.50 0.00 0.00 0.00 3.00 0.00 0 48.50 0.00 0.00 0.00 3.60 0.00 0 48.50 0.00 0.00 0.00 4.20 0.00 0 48.50 0.00 0.00 0.00 4.80 0.00 0 48.50 0.00 0.00 0.00 5.40 0.00 0 48.50 0.00 0.00 0.00 6.00 0.00 0 48.50 0.00 0.00 0.00 6.60 0.00 0 48.50 0.00 0.00 0.00 7.20 0.00 0 48.50 0.00 0.00 0.00 7.80 0.00 0 48.50 0.00 0.00 0.00 8.40 0.00 0 48.50 0.00 0.00 0.00 9.00 0.00 0 48.50 0.00 0.00 0.00 9.60 0.00 0 48.50 0.00 0.00 0.00 10.20 0.00 0 48.50 0.00 0.00 0.00 10.80 0.00 0 48.50 0.00 0.00 0.00 11.40 0.00 0 48.50 0.00 0.00 0.00 12.00 0.14 24 48.57 0.02 0.02 0.00 12.60 0.11 514 49.69 0.03 0.03 0.00 13.20 0.07 625 49.89 0.04 0.04 0.00 13.80 0.06 688 49.99 0.04 0.04 0.00 14.40 0.05 699 50.01 0.05 0.04 0.01 15.00 0.05 698 50.00 0.05 0.04 0.01 15.60 0.04 696 50.00 0.04 0.04 0.00 16.20 0.03 690 49.99 0.04 0.04 0.00 16.80 0.03 677 49.97 0.04 0.04 0.00 17.40 0.03 657 49.94 0.04 0.04 0.00 18.00 0.02 630 49.89 0.04 0.04 0.00 18.60 0.02 599 49.84 0.03 0.03 0.00 19.20 0.02 568 49.79 0.03 0.03 0.00 19.80 0.02 536 49.73 0.03 0.03 0.00 20.40 0.02 504 49.67 0.03 0.03 0.00 21.00 0.02 471 49.61 0.03 0.03 0.00 21.60 0.02 439 49.55 0.03 0.03 0.00 22.20 0.02 406 49.49 0.03 0.03 0.00 22.80 0.01 374 49.43 0.03 0.03 0.00 23.40 0.01 341 49.36 0.03 0.03 0.00 24.00 0.01 309 49.29 0.03 0.03 0.00 24.60 0.00 255 49.17 0.03 0.03 0.00 25.20 0.00 201 49.05 0.02 0.02 0.00 25.80 0.00 150 48.92 0.02 0.02 0.00 26.40 0.00 103 48.80 0.02 0.02 0.00 27.00 0.00 58 48.67 0.02 0.02 0.00 27.60 0.00 17 48.55 0.02 0.02 0.00 Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 63HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Discharge for Pond 1AP: Grassed Swale Leaching - M1 Elevation (feet) Discharge (cfs) Discarded (cfs) Secondary (cfs) 48.50 0.00 0.00 0.00 48.55 0.02 0.02 0.00 48.60 0.02 0.02 0.00 48.65 0.02 0.02 0.00 48.70 0.02 0.02 0.00 48.75 0.02 0.02 0.00 48.80 0.02 0.02 0.00 48.85 0.02 0.02 0.00 48.90 0.02 0.02 0.00 48.95 0.02 0.02 0.00 49.00 0.02 0.02 0.00 49.05 0.02 0.02 0.00 49.10 0.03 0.03 0.00 49.15 0.03 0.03 0.00 49.20 0.03 0.03 0.00 49.25 0.03 0.03 0.00 49.30 0.03 0.03 0.00 49.35 0.03 0.03 0.00 49.40 0.03 0.03 0.00 49.45 0.03 0.03 0.00 49.50 0.03 0.03 0.00 49.55 0.03 0.03 0.00 49.60 0.03 0.03 0.00 49.65 0.03 0.03 0.00 49.70 0.03 0.03 0.00 49.75 0.03 0.03 0.00 49.80 0.03 0.03 0.00 49.85 0.03 0.03 0.00 49.90 0.04 0.04 0.00 49.95 0.04 0.04 0.00 50.00 0.04 0.04 0.00 50.05 0.33 0.04 0.29 50.10 0.87 0.04 0.83 50.15 1.56 0.04 1.52 50.20 2.38 0.04 2.34 50.25 3.31 0.04 3.27 50.30 4.34 0.04 4.30 50.35 5.46 0.04 5.42 50.40 6.66 0.04 6.62 50.45 7.94 0.04 7.90 50.50 9.29 0.04 9.25 50.55 10.71 0.04 10.67 50.60 12.20 0.05 12.16 50.65 13.76 0.05 13.71 50.70 15.37 0.05 15.32 50.75 16.73 0.05 16.68 50.80 17.27 0.05 17.23 50.85 17.81 0.05 17.76 50.90 18.32 0.05 18.27 50.95 18.82 0.05 18.77 51.00 19.31 0.05 19.26 51.05 19.79 0.05 19.74 Elevation (feet) Discharge (cfs) Discarded (cfs) Secondary (cfs) 51.10 20.25 0.05 20.20 51.15 20.71 0.05 20.65 51.20 21.15 0.05 21.10 51.25 21.59 0.06 21.53 51.30 22.02 0.06 21.96 51.35 22.43 0.06 22.38 51.40 22.85 0.06 22.79 51.45 23.25 0.06 23.19 51.50 23.65 0.06 23.59 51.55 24.04 0.06 23.98 51.60 24.42 0.06 24.36 51.65 24.80 0.06 24.74 51.70 25.17 0.06 25.11 51.75 25.54 0.06 25.48 51.80 25.90 0.06 25.84 51.85 26.26 0.07 26.20 51.90 26.61 0.07 26.55 51.95 26.96 0.07 26.89 52.00 27.31 0.07 27.24 Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 64HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 1AP: Grassed Swale Leaching - M1 Elevation (feet) Surface (sq-ft) Wetted (sq-ft) Storage (cubic-feet) 48.50 319 319 0 48.55 328 329 16 48.60 336 340 33 48.65 345 350 50 48.70 354 361 67 48.75 363 372 85 48.80 372 382 104 48.85 381 393 122 48.90 390 404 142 48.95 400 415 161 49.00 409 426 182 49.05 419 437 202 49.10 429 448 224 49.15 439 460 245 49.20 449 471 267 49.25 459 482 290 49.30 469 494 313 49.35 479 505 337 49.40 490 517 361 49.45 500 529 386 49.50 511 540 411 49.55 522 552 437 49.60 533 564 463 49.65 544 576 490 49.70 555 588 518 49.75 566 600 546 49.80 577 612 574 49.85 589 624 604 49.90 601 637 633 49.95 612 649 664 50.00 624 662 695 50.05 635 674 726 50.10 646 686 758 50.15 657 698 791 50.20 668 710 824 50.25 680 722 858 50.30 691 735 892 50.35 703 747 927 50.40 714 759 962 50.45 726 772 998 50.50 738 784 1,035 50.55 749 798 1,072 50.60 761 811 1,110 50.65 772 824 1,148 50.70 784 838 1,187 50.75 796 851 1,226 50.80 808 865 1,266 50.85 820 878 1,307 50.90 832 892 1,348 50.95 844 906 1,390 51.00 856 920 1,433 51.05 868 934 1,476 Elevation (feet) Surface (sq-ft) Wetted (sq-ft) Storage (cubic-feet) 51.10 881 948 1,520 51.15 893 962 1,564 51.20 906 976 1,609 51.25 918 990 1,655 51.30 931 1,004 1,701 51.35 944 1,019 1,748 51.40 957 1,033 1,795 51.45 970 1,047 1,843 51.50 983 1,062 1,892 51.55 996 1,077 1,942 51.60 1,009 1,091 1,992 51.65 1,022 1,106 2,042 51.70 1,036 1,121 2,094 51.75 1,049 1,136 2,146 51.80 1,063 1,151 2,199 51.85 1,076 1,166 2,252 51.90 1,090 1,181 2,306 51.95 1,104 1,196 2,361 52.00 1,118 1,212 2,417 Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 65HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Pond 1AR: (2) CB's in Pavement Inflow Area = 0.549 ac, 26.28% Impervious, Inflow Depth = 0.86" for 10-year event Inflow = 0.42 cfs @ 12.11 hrs, Volume= 0.039 af Outflow = 0.42 cfs @ 12.11 hrs, Volume= 0.039 af, Atten= 0%, Lag= 0.0 min Primary = 0.42 cfs @ 12.11 hrs, Volume= 0.039 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Peak Elev= 51.55' @ 12.11 hrs Flood Elev= 53.80' Device Routing Invert Outlet Devices #1 Primary 51.30'12.0" Round Culvert X 2.00 L= 50.0' CPP, projecting, no headwall, Ke= 0.900 Inlet / Outlet Invert= 51.30' / 50.50' S= 0.0160 '/' Cc= 0.900 n= 0.020 Corrugated PE, corrugated interior, Flow Area= 0.79 sf Primary OutFlow Max=0.41 cfs @ 12.11 hrs HW=51.55' TW=48.90' (Dynamic Tailwater) 1=Culvert (Inlet Controls 0.41 cfs @ 1.34 fps) Pond 1AR: (2) CB's in Pavement Inflow Primary Hydrograph Time (hours) 26242220181614121086420Flow (cfs)0.46 0.44 0.42 0.4 0.38 0.36 0.34 0.32 0.3 0.28 0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 Inflow Area=0.549 ac Peak Elev=51.55' 12.0" Round Culvert x 2.00 n=0.020 L=50.0' S=0.0160 '/' 0.42 cfs 0.42 cfs Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 66HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Pond 1AR: (2) CB's in Pavement Primary Stage-Discharge Discharge (cfs) 876543210Elevation (feet)53 52 Culvert Pond 1AR: (2) CB's in Pavement Storage Stage-Area-Storage Storage (cubic-feet) 0Elevation (feet)53 52 Flood Elevation Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 67HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Pond 1AR: (2) CB's in Pavement Time (hours) Inflow (cfs) Elevation (feet) Primary (cfs) 0.00 0.00 51.30 0.00 0.30 0.00 51.30 0.00 0.60 0.00 51.30 0.00 0.90 0.00 51.30 0.00 1.20 0.00 51.30 0.00 1.50 0.00 51.30 0.00 1.80 0.00 51.30 0.00 2.10 0.00 51.30 0.00 2.40 0.00 51.30 0.00 2.70 0.00 51.30 0.00 3.00 0.00 51.30 0.00 3.30 0.00 51.30 0.00 3.60 0.00 51.30 0.00 3.90 0.00 51.30 0.00 4.20 0.00 51.30 0.00 4.50 0.00 51.30 0.00 4.80 0.00 51.30 0.00 5.10 0.00 51.30 0.00 5.40 0.00 51.30 0.00 5.70 0.00 51.30 0.00 6.00 0.00 51.30 0.00 6.30 0.00 51.30 0.00 6.60 0.00 51.30 0.00 6.90 0.00 51.30 0.00 7.20 0.00 51.30 0.00 7.50 0.00 51.30 0.00 7.80 0.00 51.30 0.00 8.10 0.00 51.30 0.00 8.40 0.00 51.30 0.00 8.70 0.00 51.30 0.00 9.00 0.00 51.30 0.00 9.30 0.00 51.30 0.00 9.60 0.00 51.30 0.00 9.90 0.00 51.30 0.00 10.20 0.00 51.30 0.00 10.50 0.00 51.30 0.00 10.80 0.00 51.30 0.00 11.10 0.00 51.30 0.00 11.40 0.00 51.30 0.00 11.70 0.00 51.30 0.00 12.00 0.14 51.45 0.14 12.30 0.26 51.50 0.26 12.60 0.11 51.43 0.11 12.90 0.08 51.41 0.08 13.20 0.07 51.40 0.07 13.50 0.06 51.40 0.06 13.80 0.06 51.39 0.06 14.10 0.05 51.39 0.05 14.40 0.05 51.39 0.05 14.70 0.04 51.38 0.04 15.00 0.04 51.38 0.04 15.30 0.04 51.38 0.04 Time (hours) Inflow (cfs) Elevation (feet) Primary (cfs) 15.60 0.03 51.37 0.03 15.90 0.03 51.37 0.03 16.20 0.03 51.37 0.03 16.50 0.03 51.37 0.03 16.80 0.03 51.36 0.03 17.10 0.02 51.36 0.02 17.40 0.02 51.36 0.02 17.70 0.02 51.36 0.02 18.00 0.02 51.36 0.02 18.30 0.02 51.36 0.02 18.60 0.02 51.35 0.02 18.90 0.02 51.35 0.02 19.20 0.02 51.35 0.02 19.50 0.02 51.35 0.02 19.80 0.02 51.35 0.02 20.10 0.02 51.35 0.02 20.40 0.02 51.35 0.02 20.70 0.02 51.35 0.02 21.00 0.01 51.35 0.01 21.30 0.01 51.35 0.01 21.60 0.01 51.35 0.01 21.90 0.01 51.35 0.01 22.20 0.01 51.35 0.01 22.50 0.01 51.35 0.01 22.80 0.01 51.35 0.01 23.10 0.01 51.35 0.01 23.40 0.01 51.34 0.01 23.70 0.01 51.34 0.01 24.00 0.01 51.34 0.01 24.30 0.00 51.30 0.00 24.60 0.00 51.30 0.00 24.90 0.00 51.30 0.00 25.20 0.00 51.30 0.00 25.50 0.00 51.30 0.00 25.80 0.00 51.30 0.00 26.10 0.00 51.30 0.00 26.40 0.00 51.30 0.00 26.70 0.00 51.30 0.00 27.00 0.00 51.30 0.00 27.30 0.00 51.30 0.00 27.60 0.00 51.30 0.00 27.90 0.00 51.30 0.00 Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 68HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Discharge for Pond 1AR: (2) CB's in Pavement Elevation (feet) Primary (cfs) 51.30 0.00 51.31 0.00 51.32 0.00 51.33 0.01 51.34 0.01 51.35 0.02 51.36 0.02 51.37 0.03 51.38 0.04 51.39 0.05 51.40 0.07 51.41 0.08 51.42 0.10 51.43 0.11 51.44 0.13 51.45 0.15 51.46 0.17 51.47 0.20 51.48 0.22 51.49 0.24 51.50 0.27 51.51 0.30 51.52 0.32 51.53 0.35 51.54 0.38 51.55 0.41 51.56 0.44 51.57 0.48 51.58 0.51 51.59 0.55 51.60 0.58 51.61 0.62 51.62 0.66 51.63 0.70 51.64 0.74 51.65 0.78 51.66 0.82 51.67 0.86 51.68 0.91 51.69 0.95 51.70 1.00 51.71 1.04 51.72 1.09 51.73 1.14 51.74 1.19 51.75 1.24 51.76 1.29 51.77 1.34 51.78 1.39 51.79 1.44 51.80 1.49 51.81 1.55 Elevation (feet) Primary (cfs) 51.82 1.60 51.83 1.65 51.84 1.71 51.85 1.76 51.86 1.82 51.87 1.88 51.88 1.93 51.89 1.99 51.90 2.05 51.91 2.11 51.92 2.17 51.93 2.22 51.94 2.28 51.95 2.34 51.96 2.40 51.97 2.46 51.98 2.52 51.99 2.58 52.00 2.64 52.01 2.70 52.02 2.76 52.03 2.82 52.04 2.88 52.05 2.94 52.06 3.00 52.07 3.06 52.08 3.12 52.09 3.18 52.10 3.24 52.11 3.30 52.12 3.36 52.13 3.41 52.14 3.47 52.15 3.53 52.16 3.58 52.17 3.64 52.18 3.69 52.19 3.74 52.20 3.80 52.21 3.85 52.22 3.90 52.23 3.95 52.24 3.99 52.25 4.04 52.26 4.08 52.27 4.12 52.28 4.16 52.29 4.19 52.30 4.22 52.31 4.26 52.32 4.31 52.33 4.35 Elevation (feet) Primary (cfs) 52.34 4.39 52.35 4.43 52.36 4.47 52.37 4.51 52.38 4.55 52.39 4.59 52.40 4.63 52.41 4.66 52.42 4.70 52.43 4.74 52.44 4.78 52.45 4.81 52.46 4.85 52.47 4.89 52.48 4.92 52.49 4.96 52.50 5.00 52.51 5.03 52.52 5.07 52.53 5.10 52.54 5.14 52.55 5.17 52.56 5.21 52.57 5.24 52.58 5.27 52.59 5.31 52.60 5.34 52.61 5.37 52.62 5.41 52.63 5.44 52.64 5.47 52.65 5.51 52.66 5.54 52.67 5.57 52.68 5.60 52.69 5.63 52.70 5.66 52.71 5.70 52.72 5.73 52.73 5.76 52.74 5.79 52.75 5.82 52.76 5.85 52.77 5.88 52.78 5.91 52.79 5.94 52.80 5.97 52.81 6.00 52.82 6.03 52.83 6.06 52.84 6.09 52.85 6.12 Elevation (feet) Primary (cfs) 52.86 6.15 52.87 6.18 52.88 6.21 52.89 6.23 52.90 6.26 52.91 6.29 52.92 6.32 52.93 6.35 52.94 6.38 52.95 6.40 52.96 6.43 52.97 6.45 52.98 6.47 52.99 6.49 53.00 6.51 53.01 6.54 53.02 6.56 53.03 6.58 53.04 6.60 53.05 6.62 53.06 6.64 53.07 6.67 53.08 6.69 53.09 6.71 53.10 6.73 53.11 6.75 53.12 6.77 53.13 6.79 53.14 6.81 53.15 6.83 53.16 6.85 53.17 6.87 53.18 6.89 53.19 6.92 53.20 6.94 53.21 6.96 53.22 6.98 53.23 7.00 53.24 7.02 53.25 7.04 53.26 7.06 53.27 7.08 53.28 7.10 53.29 7.12 53.30 7.14 53.31 7.16 53.32 7.18 53.33 7.20 53.34 7.22 53.35 7.24 53.36 7.25 53.37 7.27 Elevation (feet) Primary (cfs) 53.38 7.29 53.39 7.31 53.40 7.33 53.41 7.35 53.42 7.37 53.43 7.39 53.44 7.41 53.45 7.43 53.46 7.45 53.47 7.47 53.48 7.49 53.49 7.50 53.50 7.52 53.51 7.54 53.52 7.56 53.53 7.58 53.54 7.60 53.55 7.62 53.56 7.63 53.57 7.65 53.58 7.67 53.59 7.69 53.60 7.71 53.61 7.73 53.62 7.75 53.63 7.76 53.64 7.78 53.65 7.80 53.66 7.82 53.67 7.84 53.68 7.85 53.69 7.87 53.70 7.89 53.71 7.91 53.72 7.93 53.73 7.94 53.74 7.96 53.75 7.98 53.76 8.00 53.77 8.01 53.78 8.03 53.79 8.05 53.80 8.07 Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 69HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 1AR: (2) CB's in Pavement Elevation (feet) Storage (cubic-feet) 51.30 0 51.32 0 51.34 0 51.36 0 51.38 0 51.40 0 51.42 0 51.44 0 51.46 0 51.48 0 51.50 0 51.52 0 51.54 0 51.56 0 51.58 0 51.60 0 51.62 0 51.64 0 51.66 0 51.68 0 51.70 0 51.72 0 51.74 0 51.76 0 51.78 0 51.80 0 51.82 0 51.84 0 51.86 0 51.88 0 51.90 0 51.92 0 51.94 0 51.96 0 51.98 0 52.00 0 52.02 0 52.04 0 52.06 0 52.08 0 52.10 0 52.12 0 52.14 0 52.16 0 52.18 0 52.20 0 52.22 0 52.24 0 52.26 0 52.28 0 52.30 0 52.32 0 Elevation (feet) Storage (cubic-feet) 52.34 0 52.36 0 52.38 0 52.40 0 52.42 0 52.44 0 52.46 0 52.48 0 52.50 0 52.52 0 52.54 0 52.56 0 52.58 0 52.60 0 52.62 0 52.64 0 52.66 0 52.68 0 52.70 0 52.72 0 52.74 0 52.76 0 52.78 0 52.80 0 52.82 0 52.84 0 52.86 0 52.88 0 52.90 0 52.92 0 52.94 0 52.96 0 52.98 0 53.00 0 53.02 0 53.04 0 53.06 0 53.08 0 53.10 0 53.12 0 53.14 0 53.16 0 53.18 0 53.20 0 53.22 0 53.24 0 53.26 0 53.28 0 53.30 0 53.32 0 53.34 0 53.36 0 Elevation (feet) Storage (cubic-feet) 53.38 0 53.40 0 53.42 0 53.44 0 53.46 0 53.48 0 53.50 0 53.52 0 53.54 0 53.56 0 53.58 0 53.60 0 53.62 0 53.64 0 53.66 0 53.68 0 53.70 0 53.72 0 53.74 0 53.76 0 53.78 0 53.80 0 Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 70HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Pond 1BP: (1) 28'x14' Leaching Facility - (2) 6'x6' Leach Pits, 14' O.C. with stone around Inflow = 0.02 cfs @ 14.06 hrs, Volume= 0.002 af Outflow = 0.02 cfs @ 14.07 hrs, Volume= 0.002 af, Atten= 0%, Lag= 0.5 min Discarded = 0.02 cfs @ 14.07 hrs, Volume= 0.002 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Peak Elev= 42.00' @ 14.07 hrs Surf.Area= 392 sf Storage= 0 cf Plug-Flow detention time= 0.5 min calculated for 0.002 af (100% of inflow) Center-of-Mass det. time= 0.5 min ( 875.9 - 875.4 ) Volume Invert Avail.Storage Storage Description #1 42.00' 879 cf 14.00'W x 28.00'L x 6.00'H Prismatoid 2,352 cf Overall - 398 cf Embedded = 1,954 cf x 45.0% Voids #2 42.00' 339 cf 6.00'D x 6.00'H Vertical Cone/Cylinder x 2 Inside #1 398 cf Overall - 3.0" Wall Thickness = 339 cf 1,219 cf Total Available Storage Device Routing Invert Outlet Devices #1 Discarded 42.00'8.270 in/hr Exfiltration over Wetted area Phase-In= 0.01' Discarded OutFlow Max=0.02 cfs @ 14.07 hrs HW=42.00' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.02 cfs) Pond 1BP: (1) 28'x14' Leaching Facility - (2) 6'x6' Leach Pits, 14' O.C. with stone around Inflow Discarded Hydrograph Time (hours) 26242220181614121086420Flow (cfs)0.019 0.018 0.017 0.016 0.015 0.014 0.013 0.012 0.011 0.01 0.009 0.008 0.007 0.006 0.005 0.004 0.003 0.002 0.001 0 Peak Elev=42.00' Storage=0 cf 0.02 cfs 0.02 cfs Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 71HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Pond 1BP: (1) 28'x14' Leaching Facility - (2) 6'x6' Leach Pits, 14' O.C. with stone around Discarded Stage-Discharge Discharge (cfs) 0.170.160.150.140.130.120.110.10.090.080.070.060.050.040.030.020.010Elevation (feet)48 47 46 45 44 43 42 Exfiltration Pond 1BP: (1) 28'x14' Leaching Facility - (2) 6'x6' Leach Pits, 14' O.C. with stone around Wetted Storage Stage-Area-Storage Storage (cubic-feet) 1,2001,0008006004002000 Surface/Horizontal/Wetted Area (sq-ft) 850800750700650600550500450400350300250200150100500 Elevation (feet)48 47 46 45 44 43 42 Prismatoid + Vertical Cone/Cylinder Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 72HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Pond 1BP: (1) 28'x14' Leaching Facility - (2) 6'x6' Leach Pits, 14' O.C. with stone around Time (hours) Inflow (cfs) Storage (cubic-feet) Elevation (feet) Discarded (cfs) 0.00 0.00 0 42.00 0.00 0.30 0.00 0 42.00 0.00 0.60 0.00 0 42.00 0.00 0.90 0.00 0 42.00 0.00 1.20 0.00 0 42.00 0.00 1.50 0.00 0 42.00 0.00 1.80 0.00 0 42.00 0.00 2.10 0.00 0 42.00 0.00 2.40 0.00 0 42.00 0.00 2.70 0.00 0 42.00 0.00 3.00 0.00 0 42.00 0.00 3.30 0.00 0 42.00 0.00 3.60 0.00 0 42.00 0.00 3.90 0.00 0 42.00 0.00 4.20 0.00 0 42.00 0.00 4.50 0.00 0 42.00 0.00 4.80 0.00 0 42.00 0.00 5.10 0.00 0 42.00 0.00 5.40 0.00 0 42.00 0.00 5.70 0.00 0 42.00 0.00 6.00 0.00 0 42.00 0.00 6.30 0.00 0 42.00 0.00 6.60 0.00 0 42.00 0.00 6.90 0.00 0 42.00 0.00 7.20 0.00 0 42.00 0.00 7.50 0.00 0 42.00 0.00 7.80 0.00 0 42.00 0.00 8.10 0.00 0 42.00 0.00 8.40 0.00 0 42.00 0.00 8.70 0.00 0 42.00 0.00 9.00 0.00 0 42.00 0.00 9.30 0.00 0 42.00 0.00 9.60 0.00 0 42.00 0.00 9.90 0.00 0 42.00 0.00 10.20 0.00 0 42.00 0.00 10.50 0.00 0 42.00 0.00 10.80 0.00 0 42.00 0.00 11.10 0.00 0 42.00 0.00 11.40 0.00 0 42.00 0.00 11.70 0.00 0 42.00 0.00 12.00 0.00 0 42.00 0.00 12.30 0.00 0 42.00 0.00 12.60 0.00 0 42.00 0.00 12.90 0.00 0 42.00 0.00 13.20 0.00 0 42.00 0.00 13.50 0.00 0 42.00 0.00 13.80 0.00 0 42.00 0.00 14.10 0.02 0 42.00 0.02 14.40 0.01 0 42.00 0.01 14.70 0.01 0 42.00 0.01 15.00 0.01 0 42.00 0.01 15.30 0.01 0 42.00 0.01 Time (hours) Inflow (cfs) Storage (cubic-feet) Elevation (feet) Discarded (cfs) 15.60 0.00 0 42.00 0.00 15.90 0.00 0 42.00 0.00 16.20 0.00 0 42.00 0.00 16.50 0.00 0 42.00 0.00 16.80 0.00 0 42.00 0.00 17.10 0.00 0 42.00 0.00 17.40 0.00 0 42.00 0.00 17.70 0.00 0 42.00 0.00 18.00 0.00 0 42.00 0.00 18.30 0.00 0 42.00 0.00 18.60 0.00 0 42.00 0.00 18.90 0.00 0 42.00 0.00 19.20 0.00 0 42.00 0.00 19.50 0.00 0 42.00 0.00 19.80 0.00 0 42.00 0.00 20.10 0.00 0 42.00 0.00 20.40 0.00 0 42.00 0.00 20.70 0.00 0 42.00 0.00 21.00 0.00 0 42.00 0.00 21.30 0.00 0 42.00 0.00 21.60 0.00 0 42.00 0.00 21.90 0.00 0 42.00 0.00 22.20 0.00 0 42.00 0.00 22.50 0.00 0 42.00 0.00 22.80 0.00 0 42.00 0.00 23.10 0.00 0 42.00 0.00 23.40 0.00 0 42.00 0.00 23.70 0.00 0 42.00 0.00 24.00 0.00 0 42.00 0.00 24.30 0.00 0 42.00 0.00 24.60 0.00 0 42.00 0.00 24.90 0.00 0 42.00 0.00 25.20 0.00 0 42.00 0.00 25.50 0.00 0 42.00 0.00 25.80 0.00 0 42.00 0.00 26.10 0.00 0 42.00 0.00 26.40 0.00 0 42.00 0.00 26.70 0.00 0 42.00 0.00 27.00 0.00 0 42.00 0.00 27.30 0.00 0 42.00 0.00 27.60 0.00 0 42.00 0.00 27.90 0.00 0 42.00 0.00 Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 73HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Discharge for Pond 1BP: (1) 28'x14' Leaching Facility - (2) 6'x6' Leach Pits, 14' O.C. with stone around Elevation (feet) Discarded (cfs) 42.00 0.00 42.04 0.08 42.08 0.08 42.12 0.08 42.16 0.08 42.20 0.08 42.24 0.08 42.28 0.08 42.32 0.08 42.36 0.08 42.40 0.08 42.44 0.08 42.48 0.08 42.52 0.08 42.56 0.08 42.60 0.08 42.64 0.09 42.68 0.09 42.72 0.09 42.76 0.09 42.80 0.09 42.84 0.09 42.88 0.09 42.92 0.09 42.96 0.09 43.00 0.09 43.04 0.09 43.08 0.09 43.12 0.09 43.16 0.09 43.20 0.09 43.24 0.09 43.28 0.10 43.32 0.10 43.36 0.10 43.40 0.10 43.44 0.10 43.48 0.10 43.52 0.10 43.56 0.10 43.60 0.10 43.64 0.10 43.68 0.10 43.72 0.10 43.76 0.10 43.80 0.10 43.84 0.10 43.88 0.11 43.92 0.11 43.96 0.11 44.00 0.11 44.04 0.11 Elevation (feet) Discarded (cfs) 44.08 0.11 44.12 0.11 44.16 0.11 44.20 0.11 44.24 0.11 44.28 0.11 44.32 0.11 44.36 0.11 44.40 0.11 44.44 0.11 44.48 0.11 44.52 0.12 44.56 0.12 44.60 0.12 44.64 0.12 44.68 0.12 44.72 0.12 44.76 0.12 44.80 0.12 44.84 0.12 44.88 0.12 44.92 0.12 44.96 0.12 45.00 0.12 45.04 0.12 45.08 0.12 45.12 0.13 45.16 0.13 45.20 0.13 45.24 0.13 45.28 0.13 45.32 0.13 45.36 0.13 45.40 0.13 45.44 0.13 45.48 0.13 45.52 0.13 45.56 0.13 45.60 0.13 45.64 0.13 45.68 0.13 45.72 0.13 45.76 0.14 45.80 0.14 45.84 0.14 45.88 0.14 45.92 0.14 45.96 0.14 46.00 0.14 46.04 0.14 46.08 0.14 46.12 0.14 Elevation (feet) Discarded (cfs) 46.16 0.14 46.20 0.14 46.24 0.14 46.28 0.14 46.32 0.14 46.36 0.15 46.40 0.15 46.44 0.15 46.48 0.15 46.52 0.15 46.56 0.15 46.60 0.15 46.64 0.15 46.68 0.15 46.72 0.15 46.76 0.15 46.80 0.15 46.84 0.15 46.88 0.15 46.92 0.15 46.96 0.15 47.00 0.16 47.04 0.16 47.08 0.16 47.12 0.16 47.16 0.16 47.20 0.16 47.24 0.16 47.28 0.16 47.32 0.16 47.36 0.16 47.40 0.16 47.44 0.16 47.48 0.16 47.52 0.16 47.56 0.16 47.60 0.17 47.64 0.17 47.68 0.17 47.72 0.17 47.76 0.17 47.80 0.17 47.84 0.17 47.88 0.17 47.92 0.17 47.96 0.17 48.00 0.17 Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 74HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 1BP: (1) 28'x14' Leaching Facility - (2) 6'x6' Leach Pits, 14' O.C. with stone around Elevation (feet) Wetted (sq-ft) Storage (cubic-feet) 42.00 392 0 42.10 400 20 42.20 409 41 42.30 417 61 42.40 426 81 42.50 434 102 42.60 442 122 42.70 451 142 42.80 459 162 42.90 468 183 43.00 476 203 43.10 484 223 43.20 493 244 43.30 501 264 43.40 510 284 43.50 518 305 43.60 526 325 43.70 535 345 43.80 543 366 43.90 552 386 44.00 560 406 44.10 568 426 44.20 577 447 44.30 585 467 44.40 594 487 44.50 602 508 44.60 610 528 44.70 619 548 44.80 627 569 44.90 636 589 45.00 644 609 45.10 652 630 45.20 661 650 45.30 669 670 45.40 678 690 45.50 686 711 45.60 694 731 45.70 703 751 45.80 711 772 45.90 720 792 46.00 728 812 46.10 736 833 46.20 745 853 46.30 753 873 46.40 762 894 46.50 770 914 46.60 778 934 46.70 787 954 46.80 795 975 46.90 804 995 47.00 812 1,015 47.10 820 1,036 Elevation (feet) Wetted (sq-ft) Storage (cubic-feet) 47.20 829 1,056 47.30 837 1,076 47.40 846 1,097 47.50 854 1,117 47.60 862 1,137 47.70 871 1,158 47.80 879 1,178 47.90 888 1,198 48.00 896 1,219 Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 75HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Pond 2AP: Grassed Swale Leaching - M2 Inflow Area = 4.108 ac, 20.30% Impervious, Inflow Depth = 0.65" for 10-year event Inflow = 1.85 cfs @ 12.14 hrs, Volume= 0.223 af Outflow = 0.20 cfs @ 15.84 hrs, Volume= 0.223 af, Atten= 89%, Lag= 222.1 min Discarded = 0.20 cfs @ 15.84 hrs, Volume= 0.223 af Secondary = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Peak Elev= 34.21' @ 15.84 hrs Surf.Area= 3,443 sf Storage= 3,836 cf Plug-Flow detention time= 230.4 min calculated for 0.223 af (100% of inflow) Center-of-Mass det. time= 230.4 min ( 1,144.8 - 914.4 ) Volume Invert Avail.Storage Storage Description #1 33.00' 6,696 cf Grassed Swale (Irregular) Listed below (Recalc) Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area (feet) (sq-ft) (feet) (cubic-feet) (cubic-feet) (sq-ft) 33.00 2,890 222.0 0 0 2,890 35.00 3,828 247.0 6,696 6,696 3,934 Device Routing Invert Outlet Devices #1 Discarded 33.00'2.410 in/hr Exfiltration over Wetted area Phase-In= 0.01' #2 Secondary 34.50'24.0" x 24.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads Discarded OutFlow Max=0.20 cfs @ 15.84 hrs HW=34.21' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.20 cfs) Secondary OutFlow Max=0.00 cfs @ 0.00 hrs HW=33.00' TW=26.50' (Dynamic Tailwater) 2=Orifice/Grate ( Controls 0.00 cfs) Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 76HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Pond 2AP: Grassed Swale Leaching - M2 Inflow Outflow Discarded Secondary Hydrograph Time (hours) 26242220181614121086420Flow (cfs)2 1 0 Inflow Area=4.108 ac Peak Elev=34.21' Storage=3,836 cf 1.85 cfs 0.20 cfs 0.20 cfs 0.00 cfs Pond 2AP: Grassed Swale Leaching - M2 Total Discarded Secondary Stage-Discharge Discharge (cfs) 9876543210Elevation (feet)35 34 33 Exfiltration Orifice/Grate Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 77HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Pond 2AP: Grassed Swale Leaching - M2 Surface Wetted Storage Stage-Area-Storage Storage (cubic-feet) 6,0005,0004,0003,0002,0001,0000 Surface/Horizontal/Wetted Area (sq-ft) 3,5003,0002,5002,0001,5001,0005000 Elevation (feet)35 34 33 Grassed Swale Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 78HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Pond 2AP: Grassed Swale Leaching - M2 Time (hours) Inflow (cfs) Storage (cubic-feet) Elevation (feet) Outflow (cfs) Discarded (cfs) Secondary (cfs) 0.00 0.00 0 33.00 0.00 0.00 0.00 0.60 0.00 0 33.00 0.00 0.00 0.00 1.20 0.00 0 33.00 0.00 0.00 0.00 1.80 0.00 0 33.00 0.00 0.00 0.00 2.40 0.00 0 33.00 0.00 0.00 0.00 3.00 0.00 0 33.00 0.00 0.00 0.00 3.60 0.00 0 33.00 0.00 0.00 0.00 4.20 0.00 0 33.00 0.00 0.00 0.00 4.80 0.00 0 33.00 0.00 0.00 0.00 5.40 0.00 0 33.00 0.00 0.00 0.00 6.00 0.00 0 33.00 0.00 0.00 0.00 6.60 0.00 0 33.00 0.00 0.00 0.00 7.20 0.00 0 33.00 0.00 0.00 0.00 7.80 0.00 0 33.00 0.00 0.00 0.00 8.40 0.00 0 33.00 0.00 0.00 0.00 9.00 0.00 0 33.00 0.00 0.00 0.00 9.60 0.00 0 33.00 0.00 0.00 0.00 10.20 0.00 0 33.00 0.00 0.00 0.00 10.80 0.00 0 33.00 0.00 0.00 0.00 11.40 0.00 0 33.00 0.00 0.00 0.00 12.00 0.46 48 33.02 0.16 0.16 0.00 12.60 0.65 2,400 33.78 0.18 0.18 0.00 13.20 0.38 3,016 33.97 0.19 0.19 0.00 13.80 0.33 3,371 34.08 0.19 0.19 0.00 14.40 0.28 3,601 34.14 0.19 0.19 0.00 15.00 0.25 3,753 34.19 0.20 0.20 0.00 15.60 0.21 3,829 34.21 0.20 0.20 0.00 16.20 0.17 3,821 34.21 0.20 0.20 0.00 16.80 0.16 3,757 34.19 0.20 0.20 0.00 17.40 0.14 3,656 34.16 0.19 0.19 0.00 18.00 0.12 3,517 34.12 0.19 0.19 0.00 18.60 0.11 3,348 34.07 0.19 0.19 0.00 19.20 0.11 3,171 34.02 0.19 0.19 0.00 19.80 0.10 2,985 33.96 0.19 0.19 0.00 20.40 0.10 2,792 33.90 0.19 0.19 0.00 21.00 0.09 2,592 33.84 0.19 0.19 0.00 21.60 0.09 2,387 33.78 0.18 0.18 0.00 22.20 0.08 2,176 33.71 0.18 0.18 0.00 22.80 0.08 1,960 33.65 0.18 0.18 0.00 23.40 0.07 1,737 33.58 0.18 0.18 0.00 24.00 0.07 1,509 33.50 0.18 0.18 0.00 24.60 0.00 1,161 33.39 0.17 0.17 0.00 25.20 0.00 793 33.27 0.17 0.17 0.00 25.80 0.00 432 33.15 0.17 0.17 0.00 26.40 0.00 78 33.03 0.16 0.16 0.00 27.00 0.00 0 33.00 0.00 0.00 0.00 27.60 0.00 0 33.00 0.00 0.00 0.00 Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 79HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Discharge for Pond 2AP: Grassed Swale Leaching - M2 Elevation (feet) Discharge (cfs) Discarded (cfs) Secondary (cfs) 33.00 0.00 0.00 0.00 33.02 0.16 0.16 0.00 33.04 0.16 0.16 0.00 33.06 0.16 0.16 0.00 33.08 0.16 0.16 0.00 33.10 0.16 0.16 0.00 33.12 0.16 0.16 0.00 33.14 0.17 0.17 0.00 33.16 0.17 0.17 0.00 33.18 0.17 0.17 0.00 33.20 0.17 0.17 0.00 33.22 0.17 0.17 0.00 33.24 0.17 0.17 0.00 33.26 0.17 0.17 0.00 33.28 0.17 0.17 0.00 33.30 0.17 0.17 0.00 33.32 0.17 0.17 0.00 33.34 0.17 0.17 0.00 33.36 0.17 0.17 0.00 33.38 0.17 0.17 0.00 33.40 0.17 0.17 0.00 33.42 0.17 0.17 0.00 33.44 0.17 0.17 0.00 33.46 0.17 0.17 0.00 33.48 0.17 0.17 0.00 33.50 0.18 0.18 0.00 33.52 0.18 0.18 0.00 33.54 0.18 0.18 0.00 33.56 0.18 0.18 0.00 33.58 0.18 0.18 0.00 33.60 0.18 0.18 0.00 33.62 0.18 0.18 0.00 33.64 0.18 0.18 0.00 33.66 0.18 0.18 0.00 33.68 0.18 0.18 0.00 33.70 0.18 0.18 0.00 33.72 0.18 0.18 0.00 33.74 0.18 0.18 0.00 33.76 0.18 0.18 0.00 33.78 0.18 0.18 0.00 33.80 0.18 0.18 0.00 33.82 0.18 0.18 0.00 33.84 0.18 0.18 0.00 33.86 0.19 0.19 0.00 33.88 0.19 0.19 0.00 33.90 0.19 0.19 0.00 33.92 0.19 0.19 0.00 33.94 0.19 0.19 0.00 33.96 0.19 0.19 0.00 33.98 0.19 0.19 0.00 34.00 0.19 0.19 0.00 34.02 0.19 0.19 0.00 Elevation (feet) Discharge (cfs) Discarded (cfs) Secondary (cfs) 34.04 0.19 0.19 0.00 34.06 0.19 0.19 0.00 34.08 0.19 0.19 0.00 34.10 0.19 0.19 0.00 34.12 0.19 0.19 0.00 34.14 0.19 0.19 0.00 34.16 0.19 0.19 0.00 34.18 0.19 0.19 0.00 34.20 0.20 0.20 0.00 34.22 0.20 0.20 0.00 34.24 0.20 0.20 0.00 34.26 0.20 0.20 0.00 34.28 0.20 0.20 0.00 34.30 0.20 0.20 0.00 34.32 0.20 0.20 0.00 34.34 0.20 0.20 0.00 34.36 0.20 0.20 0.00 34.38 0.20 0.20 0.00 34.40 0.20 0.20 0.00 34.42 0.20 0.20 0.00 34.44 0.20 0.20 0.00 34.46 0.20 0.20 0.00 34.48 0.20 0.20 0.00 34.50 0.20 0.20 0.00 34.52 0.28 0.20 0.07 34.54 0.41 0.21 0.21 34.56 0.59 0.21 0.38 34.58 0.80 0.21 0.59 34.60 1.03 0.21 0.83 34.62 1.30 0.21 1.09 34.64 1.58 0.21 1.37 34.66 1.88 0.21 1.67 34.68 2.21 0.21 2.00 34.70 2.55 0.21 2.34 34.72 2.91 0.21 2.70 34.74 3.29 0.21 3.08 34.76 3.68 0.21 3.47 34.78 4.09 0.21 3.88 34.80 4.51 0.21 4.30 34.82 4.95 0.21 4.74 34.84 5.40 0.21 5.19 34.86 5.87 0.22 5.65 34.88 6.34 0.22 6.13 34.90 6.83 0.22 6.62 34.92 7.34 0.22 7.12 34.94 7.85 0.22 7.64 34.96 8.38 0.22 8.16 34.98 8.92 0.22 8.70 35.00 9.47 0.22 9.25 Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 80HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 2AP: Grassed Swale Leaching - M2 Elevation (feet) Surface (sq-ft) Wetted (sq-ft) Storage (cubic-feet) 33.00 2,890 2,890 0 33.02 2,899 2,900 58 33.04 2,907 2,910 116 33.06 2,916 2,920 174 33.08 2,925 2,930 233 33.10 2,934 2,940 291 33.12 2,943 2,950 350 33.14 2,951 2,959 409 33.16 2,960 2,969 468 33.18 2,969 2,979 527 33.20 2,978 2,989 587 33.22 2,987 2,999 646 33.24 2,996 3,009 706 33.26 3,004 3,019 766 33.28 3,013 3,029 826 33.30 3,022 3,040 887 33.32 3,031 3,050 947 33.34 3,040 3,060 1,008 33.36 3,049 3,070 1,069 33.38 3,058 3,080 1,130 33.40 3,067 3,090 1,191 33.42 3,076 3,100 1,253 33.44 3,085 3,110 1,314 33.46 3,094 3,120 1,376 33.48 3,103 3,130 1,438 33.50 3,112 3,141 1,500 33.52 3,121 3,151 1,563 33.54 3,130 3,161 1,625 33.56 3,139 3,171 1,688 33.58 3,148 3,181 1,751 33.60 3,158 3,192 1,814 33.62 3,167 3,202 1,877 33.64 3,176 3,212 1,940 33.66 3,185 3,222 2,004 33.68 3,194 3,233 2,068 33.70 3,203 3,243 2,132 33.72 3,213 3,253 2,196 33.74 3,222 3,263 2,260 33.76 3,231 3,274 2,325 33.78 3,240 3,284 2,389 33.80 3,249 3,294 2,454 33.82 3,259 3,305 2,519 33.84 3,268 3,315 2,585 33.86 3,277 3,325 2,650 33.88 3,287 3,336 2,716 33.90 3,296 3,346 2,782 33.92 3,305 3,357 2,848 33.94 3,314 3,367 2,914 33.96 3,324 3,377 2,980 33.98 3,333 3,388 3,047 34.00 3,343 3,398 3,114 34.02 3,352 3,409 3,180 Elevation (feet) Surface (sq-ft) Wetted (sq-ft) Storage (cubic-feet) 34.04 3,361 3,419 3,248 34.06 3,371 3,430 3,315 34.08 3,380 3,440 3,382 34.10 3,390 3,451 3,450 34.12 3,399 3,461 3,518 34.14 3,409 3,472 3,586 34.16 3,418 3,482 3,654 34.18 3,428 3,493 3,723 34.20 3,437 3,503 3,791 34.22 3,447 3,514 3,860 34.24 3,456 3,524 3,929 34.26 3,466 3,535 3,999 34.28 3,475 3,546 4,068 34.30 3,485 3,556 4,138 34.32 3,494 3,567 4,207 34.34 3,504 3,577 4,277 34.36 3,514 3,588 4,347 34.38 3,523 3,599 4,418 34.40 3,533 3,609 4,488 34.42 3,542 3,620 4,559 34.44 3,552 3,631 4,630 34.46 3,562 3,641 4,701 34.48 3,571 3,652 4,773 34.50 3,581 3,663 4,844 34.52 3,591 3,674 4,916 34.54 3,601 3,684 4,988 34.56 3,610 3,695 5,060 34.58 3,620 3,706 5,132 34.60 3,630 3,717 5,205 34.62 3,640 3,727 5,277 34.64 3,649 3,738 5,350 34.66 3,659 3,749 5,423 34.68 3,669 3,760 5,497 34.70 3,679 3,771 5,570 34.72 3,689 3,781 5,644 34.74 3,699 3,792 5,718 34.76 3,708 3,803 5,792 34.78 3,718 3,814 5,866 34.80 3,728 3,825 5,940 34.82 3,738 3,836 6,015 34.84 3,748 3,847 6,090 34.86 3,758 3,858 6,165 34.88 3,768 3,868 6,240 34.90 3,778 3,879 6,316 34.92 3,788 3,890 6,391 34.94 3,798 3,901 6,467 34.96 3,808 3,912 6,543 34.98 3,818 3,923 6,620 35.00 3,828 3,934 6,696 Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 81HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Pond 2AR: (7) CB's in Pavement Inflow Area = 2.888 ac, 25.63% Impervious, Inflow Depth = 0.81" for 10-year event Inflow = 1.86 cfs @ 12.13 hrs, Volume= 0.194 af Outflow = 1.86 cfs @ 12.13 hrs, Volume= 0.194 af, Atten= 0%, Lag= 0.0 min Primary = 1.86 cfs @ 12.13 hrs, Volume= 0.194 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Peak Elev= 35.99' @ 12.13 hrs Flood Elev= 38.20' Device Routing Invert Outlet Devices #1 Primary 35.70'12.0" Round Culvert X 7.00 L= 50.0' CPP, projecting, no headwall, Ke= 0.900 Inlet / Outlet Invert= 35.70' / 35.00' S= 0.0140 '/' Cc= 0.900 n= 0.020 Corrugated PE, corrugated interior, Flow Area= 0.79 sf Primary OutFlow Max=1.83 cfs @ 12.13 hrs HW=35.98' TW=33.20' (Dynamic Tailwater) 1=Culvert (Barrel Controls 1.83 cfs @ 2.13 fps) Pond 2AR: (7) CB's in Pavement Inflow Primary Hydrograph Time (hours) 26242220181614121086420Flow (cfs)2 1 0 Inflow Area=2.888 ac Peak Elev=35.99' 12.0" Round Culvert x 7.00 n=0.020 L=50.0' S=0.0140 '/' 1.86 cfs 1.86 cfs Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 82HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Pond 2AR: (7) CB's in Pavement Primary Stage-Discharge Discharge (cfs) 26242220181614121086420Elevation (feet)38 37 36 Culvert Pond 2AR: (7) CB's in Pavement Storage Stage-Area-Storage Storage (cubic-feet) 0Elevation (feet)38 37 36 Flood Elevation Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 83HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Pond 2AR: (7) CB's in Pavement Time (hours) Inflow (cfs) Elevation (feet) Primary (cfs) 0.00 0.00 35.70 0.00 0.30 0.00 35.70 0.00 0.60 0.00 35.70 0.00 0.90 0.00 35.70 0.00 1.20 0.00 35.70 0.00 1.50 0.00 35.70 0.00 1.80 0.00 35.70 0.00 2.10 0.00 35.70 0.00 2.40 0.00 35.70 0.00 2.70 0.00 35.70 0.00 3.00 0.00 35.70 0.00 3.30 0.00 35.70 0.00 3.60 0.00 35.70 0.00 3.90 0.00 35.70 0.00 4.20 0.00 35.70 0.00 4.50 0.00 35.70 0.00 4.80 0.00 35.70 0.00 5.10 0.00 35.70 0.00 5.40 0.00 35.70 0.00 5.70 0.00 35.70 0.00 6.00 0.00 35.70 0.00 6.30 0.00 35.70 0.00 6.60 0.00 35.70 0.00 6.90 0.00 35.70 0.00 7.20 0.00 35.70 0.00 7.50 0.00 35.70 0.00 7.80 0.00 35.70 0.00 8.10 0.00 35.70 0.00 8.40 0.00 35.70 0.00 8.70 0.00 35.70 0.00 9.00 0.00 35.70 0.00 9.30 0.00 35.70 0.00 9.60 0.00 35.70 0.00 9.90 0.00 35.70 0.00 10.20 0.00 35.70 0.00 10.50 0.00 35.70 0.00 10.80 0.00 35.70 0.00 11.10 0.00 35.70 0.00 11.40 0.00 35.70 0.00 11.70 0.00 35.70 0.00 12.00 0.46 35.84 0.46 12.30 1.33 35.94 1.33 12.60 0.58 35.86 0.58 12.90 0.41 35.84 0.41 13.20 0.33 35.82 0.33 13.50 0.30 35.82 0.30 13.80 0.28 35.81 0.28 14.10 0.25 35.81 0.25 14.40 0.24 35.80 0.24 14.70 0.22 35.80 0.22 15.00 0.21 35.80 0.21 15.30 0.19 35.79 0.19 Time (hours) Inflow (cfs) Elevation (feet) Primary (cfs) 15.60 0.18 35.79 0.18 15.90 0.16 35.79 0.16 16.20 0.14 35.78 0.14 16.50 0.14 35.78 0.14 16.80 0.13 35.78 0.13 17.10 0.12 35.78 0.12 17.40 0.11 35.77 0.11 17.70 0.11 35.77 0.11 18.00 0.10 35.77 0.10 18.30 0.09 35.77 0.09 18.60 0.09 35.77 0.09 18.90 0.09 35.77 0.09 19.20 0.09 35.77 0.09 19.50 0.08 35.76 0.08 19.80 0.08 35.76 0.08 20.10 0.08 35.76 0.08 20.40 0.08 35.76 0.08 20.70 0.08 35.76 0.08 21.00 0.07 35.76 0.07 21.30 0.07 35.76 0.07 21.60 0.07 35.76 0.07 21.90 0.07 35.76 0.07 22.20 0.07 35.76 0.07 22.50 0.07 35.76 0.07 22.80 0.06 35.76 0.06 23.10 0.06 35.76 0.06 23.40 0.06 35.75 0.06 23.70 0.06 35.75 0.06 24.00 0.06 35.75 0.06 24.30 0.00 35.71 0.00 24.60 0.00 35.70 0.00 24.90 0.00 35.70 0.00 25.20 0.00 35.70 0.00 25.50 0.00 35.70 0.00 25.80 0.00 35.70 0.00 26.10 0.00 35.70 0.00 26.40 0.00 35.70 0.00 26.70 0.00 35.70 0.00 27.00 0.00 35.70 0.00 27.30 0.00 35.70 0.00 27.60 0.00 35.70 0.00 27.90 0.00 35.70 0.00 Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 84HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Discharge for Pond 2AR: (7) CB's in Pavement Elevation (feet) Primary (cfs) 35.70 0.00 35.71 0.00 35.72 0.01 35.73 0.02 35.74 0.03 35.75 0.05 35.76 0.07 35.77 0.10 35.78 0.13 35.79 0.17 35.80 0.22 35.81 0.26 35.82 0.32 35.83 0.37 35.84 0.44 35.85 0.50 35.86 0.57 35.87 0.65 35.88 0.73 35.89 0.81 35.90 0.90 35.91 1.00 35.92 1.10 35.93 1.20 35.94 1.30 35.95 1.41 35.96 1.53 35.97 1.65 35.98 1.77 35.99 1.89 36.00 2.02 36.01 2.16 36.02 2.29 36.03 2.43 36.04 2.58 36.05 2.72 36.06 2.87 36.07 3.02 36.08 3.18 36.09 3.33 36.10 3.49 36.11 3.65 36.12 3.82 36.13 3.98 36.14 4.15 36.15 4.33 36.16 4.50 36.17 4.68 36.18 4.86 36.19 5.04 36.20 5.22 36.21 5.41 Elevation (feet) Primary (cfs) 36.22 5.60 36.23 5.79 36.24 5.98 36.25 6.18 36.26 6.37 36.27 6.57 36.28 6.77 36.29 6.97 36.30 7.17 36.31 7.37 36.32 7.58 36.33 7.78 36.34 7.99 36.35 8.20 36.36 8.41 36.37 8.61 36.38 8.82 36.39 9.03 36.40 9.24 36.41 9.45 36.42 9.67 36.43 9.88 36.44 10.09 36.45 10.30 36.46 10.51 36.47 10.71 36.48 10.92 36.49 11.13 36.50 11.34 36.51 11.54 36.52 11.74 36.53 11.95 36.54 12.15 36.55 12.34 36.56 12.54 36.57 12.73 36.58 12.92 36.59 13.11 36.60 13.29 36.61 13.47 36.62 13.64 36.63 13.81 36.64 13.98 36.65 14.13 36.66 14.28 36.67 14.43 36.68 14.56 36.69 14.68 36.70 14.78 36.71 14.92 36.72 15.07 36.73 15.21 Elevation (feet) Primary (cfs) 36.74 15.36 36.75 15.50 36.76 15.64 36.77 15.78 36.78 15.92 36.79 16.05 36.80 16.19 36.81 16.32 36.82 16.46 36.83 16.59 36.84 16.72 36.85 16.85 36.86 16.98 36.87 17.11 36.88 17.23 36.89 17.36 36.90 17.49 36.91 17.61 36.92 17.73 36.93 17.86 36.94 17.98 36.95 18.10 36.96 18.22 36.97 18.34 36.98 18.46 36.99 18.58 37.00 18.69 37.01 18.81 37.02 18.92 37.03 19.04 37.04 18.99 37.05 19.08 37.06 19.17 37.07 19.26 37.08 19.35 37.09 19.44 37.10 19.53 37.11 19.62 37.12 19.70 37.13 19.79 37.14 19.88 37.15 19.97 37.16 20.05 37.17 20.14 37.18 20.22 37.19 20.31 37.20 20.39 37.21 20.48 37.22 20.56 37.23 20.65 37.24 20.73 37.25 20.82 Elevation (feet) Primary (cfs) 37.26 20.90 37.27 20.98 37.28 21.06 37.29 21.15 37.30 21.23 37.31 21.31 37.32 21.39 37.33 21.47 37.34 21.55 37.35 21.63 37.36 21.71 37.37 21.79 37.38 21.87 37.39 21.95 37.40 22.03 37.41 22.11 37.42 22.19 37.43 22.26 37.44 22.34 37.45 22.42 37.46 22.50 37.47 22.57 37.48 22.65 37.49 22.73 37.50 22.80 37.51 22.88 37.52 22.95 37.53 23.03 37.54 23.10 37.55 23.18 37.56 23.25 37.57 23.33 37.58 23.40 37.59 23.48 37.60 23.55 37.61 23.62 37.62 23.70 37.63 23.77 37.64 23.84 37.65 23.92 37.66 23.99 37.67 24.06 37.68 24.13 37.69 24.20 37.70 24.27 37.71 24.35 37.72 24.42 37.73 24.49 37.74 24.56 37.75 24.63 37.76 24.70 37.77 24.77 Elevation (feet) Primary (cfs) 37.78 24.84 37.79 24.91 37.80 24.98 37.81 25.05 37.82 25.12 37.83 25.19 37.84 25.25 37.85 25.32 37.86 25.39 37.87 25.46 37.88 25.53 37.89 25.60 37.90 25.66 37.91 25.73 37.92 25.80 37.93 25.86 37.94 25.93 37.95 26.00 37.96 26.06 37.97 26.13 37.98 26.20 37.99 26.26 38.00 26.33 38.01 26.40 38.02 26.46 38.03 26.53 38.04 26.59 38.05 26.66 38.06 26.72 38.07 26.79 38.08 26.85 38.09 26.92 38.10 26.98 38.11 27.04 38.12 27.11 38.13 27.17 38.14 27.24 38.15 27.30 38.16 27.36 38.17 27.43 38.18 27.49 38.19 27.55 38.20 27.61 Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 85HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 2AR: (7) CB's in Pavement Elevation (feet) Storage (cubic-feet) 35.70 0 35.72 0 35.74 0 35.76 0 35.78 0 35.80 0 35.82 0 35.84 0 35.86 0 35.88 0 35.90 0 35.92 0 35.94 0 35.96 0 35.98 0 36.00 0 36.02 0 36.04 0 36.06 0 36.08 0 36.10 0 36.12 0 36.14 0 36.16 0 36.18 0 36.20 0 36.22 0 36.24 0 36.26 0 36.28 0 36.30 0 36.32 0 36.34 0 36.36 0 36.38 0 36.40 0 36.42 0 36.44 0 36.46 0 36.48 0 36.50 0 36.52 0 36.54 0 36.56 0 36.58 0 36.60 0 36.62 0 36.64 0 36.66 0 36.68 0 36.70 0 36.72 0 Elevation (feet) Storage (cubic-feet) 36.74 0 36.76 0 36.78 0 36.80 0 36.82 0 36.84 0 36.86 0 36.88 0 36.90 0 36.92 0 36.94 0 36.96 0 36.98 0 37.00 0 37.02 0 37.04 0 37.06 0 37.08 0 37.10 0 37.12 0 37.14 0 37.16 0 37.18 0 37.20 0 37.22 0 37.24 0 37.26 0 37.28 0 37.30 0 37.32 0 37.34 0 37.36 0 37.38 0 37.40 0 37.42 0 37.44 0 37.46 0 37.48 0 37.50 0 37.52 0 37.54 0 37.56 0 37.58 0 37.60 0 37.62 0 37.64 0 37.66 0 37.68 0 37.70 0 37.72 0 37.74 0 37.76 0 Elevation (feet) Storage (cubic-feet) 37.78 0 37.80 0 37.82 0 37.84 0 37.86 0 37.88 0 37.90 0 37.92 0 37.94 0 37.96 0 37.98 0 38.00 0 38.02 0 38.04 0 38.06 0 38.08 0 38.10 0 38.12 0 38.14 0 38.16 0 38.18 0 38.20 0 Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 86HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Pond 2BP: (1) 70'x28' Leaching Facility - Two Rows of (5) 6'x6' Leach Pits, 14' O.C. with stone around Inflow = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Outflow = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af, Atten= 0%, Lag= 0.0 min Discarded = 0.00 cfs @ 0.00 hrs, Volume= 0.000 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Peak Elev= 26.50' @ 0.00 hrs Surf.Area= 1,960 sf Storage= 0 cf Plug-Flow detention time= (not calculated: initial storage exceeds outflow) Center-of-Mass det. time= (not calculated: no inflow) Volume Invert Avail.Storage Storage Description #1 26.50' 4,396 cf 28.00'W x 70.00'L x 6.00'H Prismatoid 11,760 cf Overall - 1,991 cf Embedded = 9,769 cf x 45.0% Voids #2 26.50' 1,696 cf 6.00'D x 6.00'H Vertical Cone/Cylinder x 10 Inside #1 1,991 cf Overall - 3.0" Wall Thickness = 1,696 cf 6,093 cf Total Available Storage Device Routing Invert Outlet Devices #1 Discarded 26.50'8.270 in/hr Exfiltration over Wetted area Phase-In= 0.01' Discarded OutFlow Max=0.00 cfs @ 0.00 hrs HW=26.50' (Free Discharge) 1=Exfiltration ( Controls 0.00 cfs) Pond 2BP: (1) 70'x28' Leaching Facility - Two Rows of (5) 6'x6' Leach Pits, 14' O.C. with stone around Inflow Discarded Hydrograph Time (hours) 26242220181614121086420Flow (cfs)1 0 Peak Elev=26.50' Storage=0 cf 0.00 cfs 0.00 cfs Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 87HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Pond 2BP: (1) 70'x28' Leaching Facility - Two Rows of (5) 6'x6' Leach Pits, 14' O.C. with stone around Discarded Stage-Discharge Discharge (cfs) 0.60.580.560.540.520.50.480.460.440.420.40.380.360.340.320.30.280.260.240.220.20.180.160.140.120.10.080.060.040.020Elevation (feet)32 31 30 29 28 27 Exfiltration Pond 2BP: (1) 70'x28' Leaching Facility - Two Rows of (5) 6'x6' Leach Pits, 14' O.C. with stone around Wetted Storage Stage-Area-Storage Storage (cubic-feet) 6,0005,0004,0003,0002,0001,0000 Surface/Horizontal/Wetted Area (sq-ft) 3,0002,8002,6002,4002,2002,0001,8001,6001,4001,2001,0008006004002000 Elevation (feet)32 31 30 29 28 27 Prismatoid + Vertical Cone/Cylinder Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 88HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Pond 2BP: (1) 70'x28' Leaching Facility - Two Rows of (5) 6'x6' Leach Pits, 14' O.C. with stone around Time (hours) Inflow (cfs) Elevation (feet) Discarded (cfs) 0.00 0.00 26.50 0.00 0.30 0.00 26.50 0.00 0.60 0.00 26.50 0.00 0.90 0.00 26.50 0.00 1.20 0.00 26.50 0.00 1.50 0.00 26.50 0.00 1.80 0.00 26.50 0.00 2.10 0.00 26.50 0.00 2.40 0.00 26.50 0.00 2.70 0.00 26.50 0.00 3.00 0.00 26.50 0.00 3.30 0.00 26.50 0.00 3.60 0.00 26.50 0.00 3.90 0.00 26.50 0.00 4.20 0.00 26.50 0.00 4.50 0.00 26.50 0.00 4.80 0.00 26.50 0.00 5.10 0.00 26.50 0.00 5.40 0.00 26.50 0.00 5.70 0.00 26.50 0.00 6.00 0.00 26.50 0.00 6.30 0.00 26.50 0.00 6.60 0.00 26.50 0.00 6.90 0.00 26.50 0.00 7.20 0.00 26.50 0.00 7.50 0.00 26.50 0.00 7.80 0.00 26.50 0.00 8.10 0.00 26.50 0.00 8.40 0.00 26.50 0.00 8.70 0.00 26.50 0.00 9.00 0.00 26.50 0.00 9.30 0.00 26.50 0.00 9.60 0.00 26.50 0.00 9.90 0.00 26.50 0.00 10.20 0.00 26.50 0.00 10.50 0.00 26.50 0.00 10.80 0.00 26.50 0.00 11.10 0.00 26.50 0.00 11.40 0.00 26.50 0.00 11.70 0.00 26.50 0.00 12.00 0.00 26.50 0.00 12.30 0.00 26.50 0.00 12.60 0.00 26.50 0.00 12.90 0.00 26.50 0.00 13.20 0.00 26.50 0.00 13.50 0.00 26.50 0.00 13.80 0.00 26.50 0.00 14.10 0.00 26.50 0.00 14.40 0.00 26.50 0.00 14.70 0.00 26.50 0.00 15.00 0.00 26.50 0.00 15.30 0.00 26.50 0.00 Time (hours) Inflow (cfs) Elevation (feet) Discarded (cfs) 15.60 0.00 26.50 0.00 15.90 0.00 26.50 0.00 16.20 0.00 26.50 0.00 16.50 0.00 26.50 0.00 16.80 0.00 26.50 0.00 17.10 0.00 26.50 0.00 17.40 0.00 26.50 0.00 17.70 0.00 26.50 0.00 18.00 0.00 26.50 0.00 18.30 0.00 26.50 0.00 18.60 0.00 26.50 0.00 18.90 0.00 26.50 0.00 19.20 0.00 26.50 0.00 19.50 0.00 26.50 0.00 19.80 0.00 26.50 0.00 20.10 0.00 26.50 0.00 20.40 0.00 26.50 0.00 20.70 0.00 26.50 0.00 21.00 0.00 26.50 0.00 21.30 0.00 26.50 0.00 21.60 0.00 26.50 0.00 21.90 0.00 26.50 0.00 22.20 0.00 26.50 0.00 22.50 0.00 26.50 0.00 22.80 0.00 26.50 0.00 23.10 0.00 26.50 0.00 23.40 0.00 26.50 0.00 23.70 0.00 26.50 0.00 24.00 0.00 26.50 0.00 24.30 0.00 26.50 0.00 24.60 0.00 26.50 0.00 24.90 0.00 26.50 0.00 25.20 0.00 26.50 0.00 25.50 0.00 26.50 0.00 25.80 0.00 26.50 0.00 26.10 0.00 26.50 0.00 26.40 0.00 26.50 0.00 26.70 0.00 26.50 0.00 27.00 0.00 26.50 0.00 27.30 0.00 26.50 0.00 27.60 0.00 26.50 0.00 27.90 0.00 26.50 0.00 Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 89HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Discharge for Pond 2BP: (1) 70'x28' Leaching Facility - Two Rows of (5) 6'x6' Leach Pits, 14' O.C. with stone around Elevation (feet) Discarded (cfs) 26.50 0.00 26.54 0.38 26.58 0.38 26.62 0.38 26.66 0.38 26.70 0.38 26.74 0.38 26.78 0.39 26.82 0.39 26.86 0.39 26.90 0.39 26.94 0.39 26.98 0.39 27.02 0.39 27.06 0.40 27.10 0.40 27.14 0.40 27.18 0.40 27.22 0.40 27.26 0.40 27.30 0.41 27.34 0.41 27.38 0.41 27.42 0.41 27.46 0.41 27.50 0.41 27.54 0.41 27.58 0.42 27.62 0.42 27.66 0.42 27.70 0.42 27.74 0.42 27.78 0.42 27.82 0.42 27.86 0.43 27.90 0.43 27.94 0.43 27.98 0.43 28.02 0.43 28.06 0.43 28.10 0.44 28.14 0.44 28.18 0.44 28.22 0.44 28.26 0.44 28.30 0.44 28.34 0.44 28.38 0.45 28.42 0.45 28.46 0.45 28.50 0.45 28.54 0.45 Elevation (feet) Discarded (cfs) 28.58 0.45 28.62 0.45 28.66 0.46 28.70 0.46 28.74 0.46 28.78 0.46 28.82 0.46 28.86 0.46 28.90 0.47 28.94 0.47 28.98 0.47 29.02 0.47 29.06 0.47 29.10 0.47 29.14 0.47 29.18 0.48 29.22 0.48 29.26 0.48 29.30 0.48 29.34 0.48 29.38 0.48 29.42 0.48 29.46 0.49 29.50 0.49 29.54 0.49 29.58 0.49 29.62 0.49 29.66 0.49 29.70 0.50 29.74 0.50 29.78 0.50 29.82 0.50 29.86 0.50 29.90 0.50 29.94 0.50 29.98 0.51 30.02 0.51 30.06 0.51 30.10 0.51 30.14 0.51 30.18 0.51 30.22 0.51 30.26 0.52 30.30 0.52 30.34 0.52 30.38 0.52 30.42 0.52 30.46 0.52 30.50 0.53 30.54 0.53 30.58 0.53 30.62 0.53 Elevation (feet) Discarded (cfs) 30.66 0.53 30.70 0.53 30.74 0.53 30.78 0.54 30.82 0.54 30.86 0.54 30.90 0.54 30.94 0.54 30.98 0.54 31.02 0.54 31.06 0.55 31.10 0.55 31.14 0.55 31.18 0.55 31.22 0.55 31.26 0.55 31.30 0.56 31.34 0.56 31.38 0.56 31.42 0.56 31.46 0.56 31.50 0.56 31.54 0.56 31.58 0.57 31.62 0.57 31.66 0.57 31.70 0.57 31.74 0.57 31.78 0.57 31.82 0.57 31.86 0.58 31.90 0.58 31.94 0.58 31.98 0.58 32.02 0.58 32.06 0.58 32.10 0.59 32.14 0.59 32.18 0.59 32.22 0.59 32.26 0.59 32.30 0.59 32.34 0.59 32.38 0.60 32.42 0.60 32.46 0.60 32.50 0.60 Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 90HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 2BP: (1) 70'x28' Leaching Facility - Two Rows of (5) 6'x6' Leach Pits, 14' O.C. with stone around Elevation (feet) Wetted (sq-ft) Storage (cubic-feet) 26.50 1,960 0 26.60 1,980 102 26.70 1,999 203 26.80 2,019 305 26.90 2,038 406 27.00 2,058 508 27.10 2,078 609 27.20 2,097 711 27.30 2,117 812 27.40 2,136 914 27.50 2,156 1,015 27.60 2,176 1,117 27.70 2,195 1,219 27.80 2,215 1,320 27.90 2,234 1,422 28.00 2,254 1,523 28.10 2,274 1,625 28.20 2,293 1,726 28.30 2,313 1,828 28.40 2,332 1,929 28.50 2,352 2,031 28.60 2,372 2,132 28.70 2,391 2,234 28.80 2,411 2,335 28.90 2,430 2,437 29.00 2,450 2,539 29.10 2,470 2,640 29.20 2,489 2,742 29.30 2,509 2,843 29.40 2,528 2,945 29.50 2,548 3,046 29.60 2,568 3,148 29.70 2,587 3,249 29.80 2,607 3,351 29.90 2,626 3,452 30.00 2,646 3,554 30.10 2,666 3,656 30.20 2,685 3,757 30.30 2,705 3,859 30.40 2,724 3,960 30.50 2,744 4,062 30.60 2,764 4,163 30.70 2,783 4,265 30.80 2,803 4,366 30.90 2,822 4,468 31.00 2,842 4,569 31.10 2,862 4,671 31.20 2,881 4,772 31.30 2,901 4,874 31.40 2,920 4,976 31.50 2,940 5,077 31.60 2,960 5,179 Elevation (feet) Wetted (sq-ft) Storage (cubic-feet) 31.70 2,979 5,280 31.80 2,999 5,382 31.90 3,018 5,483 32.00 3,038 5,585 32.10 3,058 5,686 32.20 3,077 5,788 32.30 3,097 5,889 32.40 3,116 5,991 32.50 3,136 6,093 Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 91HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Pond 3P: (2) 15.5' x 4.33' x 2.5' Leaching Facilities (per Dwelling) - Each with (2) Cultec Recharger 330XLHD Units (Stoneless) Inflow Area = 0.030 ac,100.00% Impervious, Inflow Depth = 4.64" for 10-year event Inflow = 0.14 cfs @ 12.08 hrs, Volume= 0.011 af Outflow = 0.03 cfs @ 12.50 hrs, Volume= 0.011 af, Atten= 79%, Lag= 24.7 min Discarded = 0.03 cfs @ 12.50 hrs, Volume= 0.011 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Peak Elev= 50.99' @ 12.50 hrs Surf.Area= 112 sf Storage= 117 cf Plug-Flow detention time= 21.3 min calculated for 0.011 af (100% of inflow) Center-of-Mass det. time= 21.3 min ( 769.7 - 748.4 ) Volume Invert Avail.Storage Storage Description #1 50.00' 231 cf Cultec R-330XLHD x 4 Effective Size= 47.8"W x 30.0"H => 7.45 sf x 7.00'L = 52.2 cf Overall Size= 52.0"W x 30.5"H x 8.50'L with 1.50' Overlap Row Length Adjustment= +1.50' x 7.45 sf x 2 rows Device Routing Invert Outlet Devices #1 Discarded 50.00'8.270 in/hr Exfiltration over Wetted area Phase-In= 0.01' Discarded OutFlow Max=0.03 cfs @ 12.50 hrs HW=50.99' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.03 cfs) Pond 3P: (2) 15.5' x 4.33' x 2.5' Leaching Facilities (per Dwelling) - Each with (2) Cultec Recharger 330XLHD Units (Stoneless) Inflow Discarded Hydrograph Time (hours) 26242220181614121086420Flow (cfs)0.15 0.14 0.13 0.12 0.11 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0 Inflow Area=0.030 ac Peak Elev=50.99' Storage=117 cf 0.14 cfs 0.03 cfs Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 92HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Pond 3P: (2) 15.5' x 4.33' x 2.5' Leaching Facilities (per Dwelling) - Each with (2) Cultec Recharger 330XLHD Units (Stoneless) Discarded Stage-Discharge Discharge (cfs) 0.040.0350.030.0250.020.0150.010.0050Elevation (feet)52 51 50 Exfiltration Pond 3P: (2) 15.5' x 4.33' x 2.5' Leaching Facilities (per Dwelling) - Each with (2) Cultec Recharger 330XLHD Units (Stoneless) Wetted Storage Stage-Area-Storage Storage (cubic-feet) 220200180160140120100806040200 Surface/Horizontal/Wetted Area (sq-ft) 220200180160140120100806040200 Elevation (feet)52 51 50 Cultec R-330XLHD Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 93HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Pond 3P: (2) 15.5' x 4.33' x 2.5' Leaching Facilities (per Dwelling) - Each with (2) Cultec Recharger 330XLHD Units (Stoneless) Time (hours) Inflow (cfs) Storage (cubic-feet) Elevation (feet) Discarded (cfs) 0.00 0.00 0 50.00 0.00 0.30 0.00 0 50.00 0.00 0.60 0.00 0 50.00 0.00 0.90 0.00 0 50.00 0.00 1.20 0.00 0 50.00 0.00 1.50 0.00 0 50.00 0.00 1.80 0.00 0 50.00 0.00 2.10 0.00 0 50.00 0.00 2.40 0.00 0 50.00 0.00 2.70 0.00 0 50.00 0.00 3.00 0.00 0 50.00 0.00 3.30 0.00 0 50.00 0.00 3.60 0.00 0 50.00 0.00 3.90 0.00 0 50.00 0.00 4.20 0.00 0 50.00 0.00 4.50 0.00 0 50.00 0.00 4.80 0.00 0 50.00 0.00 5.10 0.00 0 50.00 0.00 5.40 0.00 0 50.00 0.00 5.70 0.00 0 50.00 0.00 6.00 0.00 0 50.00 0.00 6.30 0.00 0 50.00 0.00 6.60 0.00 0 50.00 0.00 6.90 0.00 0 50.00 0.00 7.20 0.00 0 50.00 0.00 7.50 0.00 0 50.00 0.00 7.80 0.00 0 50.00 0.00 8.10 0.00 0 50.00 0.00 8.40 0.00 0 50.00 0.00 8.70 0.00 0 50.00 0.00 9.00 0.01 0 50.00 0.00 9.30 0.01 0 50.00 0.01 9.60 0.01 0 50.00 0.01 9.90 0.01 0 50.00 0.01 10.20 0.01 0 50.00 0.01 10.50 0.01 0 50.00 0.01 10.80 0.01 0 50.00 0.01 11.10 0.01 1 50.00 0.01 11.40 0.01 1 50.01 0.01 11.70 0.03 2 50.02 0.02 12.00 0.09 31 50.26 0.03 12.30 0.06 108 50.91 0.03 12.60 0.02 115 50.97 0.03 12.90 0.01 100 50.84 0.03 13.20 0.01 81 50.68 0.03 13.50 0.01 62 50.52 0.03 13.80 0.01 43 50.36 0.03 14.10 0.01 24 50.20 0.02 14.40 0.01 5 50.04 0.02 14.70 0.01 0 50.00 0.01 15.00 0.01 0 50.00 0.01 15.30 0.01 0 50.00 0.01 Time (hours) Inflow (cfs) Storage (cubic-feet) Elevation (feet) Discarded (cfs) 15.60 0.00 0 50.00 0.00 15.90 0.00 0 50.00 0.00 16.20 0.00 0 50.00 0.00 16.50 0.00 0 50.00 0.00 16.80 0.00 0 50.00 0.00 17.10 0.00 0 50.00 0.00 17.40 0.00 0 50.00 0.00 17.70 0.00 0 50.00 0.00 18.00 0.00 0 50.00 0.00 18.30 0.00 0 50.00 0.00 18.60 0.00 0 50.00 0.00 18.90 0.00 0 50.00 0.00 19.20 0.00 0 50.00 0.00 19.50 0.00 0 50.00 0.00 19.80 0.00 0 50.00 0.00 20.10 0.00 0 50.00 0.00 20.40 0.00 0 50.00 0.00 20.70 0.00 0 50.00 0.00 21.00 0.00 0 50.00 0.00 21.30 0.00 0 50.00 0.00 21.60 0.00 0 50.00 0.00 21.90 0.00 0 50.00 0.00 22.20 0.00 0 50.00 0.00 22.50 0.00 0 50.00 0.00 22.80 0.00 0 50.00 0.00 23.10 0.00 0 50.00 0.00 23.40 0.00 0 50.00 0.00 23.70 0.00 0 50.00 0.00 24.00 0.00 0 50.00 0.00 24.30 0.00 0 50.00 0.00 24.60 0.00 0 50.00 0.00 24.90 0.00 0 50.00 0.00 25.20 0.00 0 50.00 0.00 25.50 0.00 0 50.00 0.00 25.80 0.00 0 50.00 0.00 26.10 0.00 0 50.00 0.00 26.40 0.00 0 50.00 0.00 26.70 0.00 0 50.00 0.00 27.00 0.00 0 50.00 0.00 27.30 0.00 0 50.00 0.00 27.60 0.00 0 50.00 0.00 27.90 0.00 0 50.00 0.00 Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 94HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Discharge for Pond 3P: (2) 15.5' x 4.33' x 2.5' Leaching Facilities (per Dwelling) - Each with (2) Cultec Recharger 330XLHD Units (Stoneless) Elevation (feet) Discarded (cfs) 50.00 0.00 50.01 0.02 50.02 0.02 50.03 0.02 50.04 0.02 50.05 0.02 50.06 0.02 50.07 0.02 50.08 0.02 50.09 0.02 50.10 0.02 50.11 0.02 50.12 0.02 50.13 0.02 50.14 0.02 50.15 0.02 50.16 0.02 50.17 0.02 50.18 0.02 50.19 0.02 50.20 0.02 50.21 0.02 50.22 0.02 50.23 0.03 50.24 0.03 50.25 0.03 50.26 0.03 50.27 0.03 50.28 0.03 50.29 0.03 50.30 0.03 50.31 0.03 50.32 0.03 50.33 0.03 50.34 0.03 50.35 0.03 50.36 0.03 50.37 0.03 50.38 0.03 50.39 0.03 50.40 0.03 50.41 0.03 50.42 0.03 50.43 0.03 50.44 0.03 50.45 0.03 50.46 0.03 50.47 0.03 50.48 0.03 50.49 0.03 50.50 0.03 50.51 0.03 Elevation (feet) Discarded (cfs) 50.52 0.03 50.53 0.03 50.54 0.03 50.55 0.03 50.56 0.03 50.57 0.03 50.58 0.03 50.59 0.03 50.60 0.03 50.61 0.03 50.62 0.03 50.63 0.03 50.64 0.03 50.65 0.03 50.66 0.03 50.67 0.03 50.68 0.03 50.69 0.03 50.70 0.03 50.71 0.03 50.72 0.03 50.73 0.03 50.74 0.03 50.75 0.03 50.76 0.03 50.77 0.03 50.78 0.03 50.79 0.03 50.80 0.03 50.81 0.03 50.82 0.03 50.83 0.03 50.84 0.03 50.85 0.03 50.86 0.03 50.87 0.03 50.88 0.03 50.89 0.03 50.90 0.03 50.91 0.03 50.92 0.03 50.93 0.03 50.94 0.03 50.95 0.03 50.96 0.03 50.97 0.03 50.98 0.03 50.99 0.03 51.00 0.03 51.01 0.03 51.02 0.03 51.03 0.03 Elevation (feet) Discarded (cfs) 51.04 0.03 51.05 0.03 51.06 0.03 51.07 0.03 51.08 0.03 51.09 0.03 51.10 0.03 51.11 0.03 51.12 0.03 51.13 0.03 51.14 0.03 51.15 0.03 51.16 0.03 51.17 0.03 51.18 0.03 51.19 0.03 51.20 0.03 51.21 0.03 51.22 0.03 51.23 0.03 51.24 0.03 51.25 0.03 51.26 0.03 51.27 0.03 51.28 0.03 51.29 0.03 51.30 0.03 51.31 0.03 51.32 0.03 51.33 0.03 51.34 0.03 51.35 0.03 51.36 0.03 51.37 0.03 51.38 0.03 51.39 0.03 51.40 0.03 51.41 0.03 51.42 0.03 51.43 0.03 51.44 0.03 51.45 0.03 51.46 0.03 51.47 0.03 51.48 0.03 51.49 0.03 51.50 0.03 51.51 0.03 51.52 0.03 51.53 0.03 51.54 0.03 51.55 0.03 Elevation (feet) Discarded (cfs) 51.56 0.03 51.57 0.03 51.58 0.03 51.59 0.03 51.60 0.03 51.61 0.03 51.62 0.03 51.63 0.03 51.64 0.03 51.65 0.03 51.66 0.03 51.67 0.03 51.68 0.03 51.69 0.03 51.70 0.03 51.71 0.03 51.72 0.03 51.73 0.03 51.74 0.03 51.75 0.03 51.76 0.04 51.77 0.04 51.78 0.04 51.79 0.04 51.80 0.04 51.81 0.04 51.82 0.04 51.83 0.04 51.84 0.04 51.85 0.04 51.86 0.04 51.87 0.04 51.88 0.04 51.89 0.04 51.90 0.04 51.91 0.04 51.92 0.04 51.93 0.04 51.94 0.04 51.95 0.04 51.96 0.04 51.97 0.04 51.98 0.04 51.99 0.04 52.00 0.04 52.01 0.04 52.02 0.04 52.03 0.04 52.04 0.04 52.05 0.04 52.06 0.04 52.07 0.04 Elevation (feet) Discarded (cfs) 52.08 0.04 52.09 0.04 52.10 0.04 52.11 0.04 52.12 0.04 52.13 0.04 52.14 0.04 52.15 0.04 52.16 0.04 52.17 0.04 52.18 0.04 52.19 0.04 52.20 0.04 52.21 0.04 52.22 0.04 52.23 0.04 52.24 0.04 52.25 0.04 52.26 0.04 52.27 0.04 52.28 0.04 52.29 0.04 52.30 0.04 52.31 0.04 52.32 0.04 52.33 0.04 52.34 0.04 52.35 0.04 52.36 0.04 52.37 0.04 52.38 0.04 52.39 0.04 52.40 0.04 52.41 0.04 52.42 0.04 52.43 0.04 52.44 0.04 52.45 0.04 52.46 0.04 52.47 0.04 52.48 0.04 52.49 0.04 52.50 0.04 Type III 24-hr 10-year Rainfall=4.88"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 95HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 3P: (2) 15.5' x 4.33' x 2.5' Leaching Facilities (per Dwelling) - Each with (2) Cultec Recharger 330XLHD Units (Stoneless) Elevation (feet) Wetted (sq-ft) Storage (cubic-feet) 50.00 124 0 50.05 125 6 50.10 127 12 50.15 128 18 50.20 130 24 50.25 131 30 50.30 133 37 50.35 134 43 50.40 136 49 50.45 138 55 50.50 139 61 50.55 141 66 50.60 142 72 50.65 144 78 50.70 146 84 50.75 148 90 50.80 149 95 50.85 151 101 50.90 152 107 50.95 154 112 51.00 155 118 51.05 157 123 51.10 158 129 51.15 160 134 51.20 162 140 51.25 163 145 51.30 165 151 51.35 167 156 51.40 169 161 51.45 171 166 51.50 173 171 51.55 175 175 51.60 177 180 51.65 179 185 51.70 181 189 51.75 183 193 51.80 185 197 51.85 187 201 51.90 189 205 51.95 192 209 52.00 194 212 52.05 197 216 52.10 200 219 52.15 203 222 52.20 207 224 52.25 211 226 52.30 215 228 52.35 219 229 52.40 223 230 52.45 227 231 52.50 232 231 Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 96HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Subcatchment 1AS: Runoff into Catch Basins - M1 Runoff = 0.75 cfs @ 12.10 hrs, Volume= 0.062 af, Depth= 1.35" Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Type III 24-hr 25-year Rainfall=5.84" Area (sf) CN Description 6,290 98 Paved parking, HSG A 15,140 39 >75% Grass cover, Good, HSG A 2,500 36 Woods, Fair, HSG A 23,930 54 Weighted Average 17,640 73.72% Pervious Area 6,290 26.28% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.2 50 0.0600 0.16 Sheet Flow, Grass: Dense n= 0.240 P2= 3.36" 0.5 50 0.0600 1.71 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 0.3 60 0.0300 3.52 Shallow Concentrated Flow, Paved Kv= 20.3 fps 6.0 160 Total Subcatchment 1AS: Runoff into Catch Basins - M1 Runoff Hydrograph Time (hours) 26242220181614121086420Flow (cfs)0.8 0.75 0.7 0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 Type III 24-hr 25-year Rainfall=5.84" Runoff Area=23,930 sf Runoff Volume=0.062 af Runoff Depth=1.35" Flow Length=160' Tc=6.0 min CN=54 0.75 cfs Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 97HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Subcatchment 1AS: Runoff into Catch Basins - M1 Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 0.00 0.00 0.00 0.00 0.30 0.02 0.00 0.00 0.60 0.04 0.00 0.00 0.90 0.05 0.00 0.00 1.20 0.07 0.00 0.00 1.50 0.09 0.00 0.00 1.80 0.11 0.00 0.00 2.10 0.12 0.00 0.00 2.40 0.14 0.00 0.00 2.70 0.16 0.00 0.00 3.00 0.18 0.00 0.00 3.30 0.20 0.00 0.00 3.60 0.22 0.00 0.00 3.90 0.24 0.00 0.00 4.20 0.27 0.00 0.00 4.50 0.29 0.00 0.00 4.80 0.31 0.00 0.00 5.10 0.34 0.00 0.00 5.40 0.37 0.00 0.00 5.70 0.39 0.00 0.00 6.00 0.42 0.00 0.00 6.30 0.45 0.00 0.00 6.60 0.48 0.00 0.00 6.90 0.52 0.00 0.00 7.20 0.55 0.00 0.00 7.50 0.59 0.00 0.00 7.80 0.64 0.00 0.00 8.10 0.68 0.00 0.00 8.40 0.73 0.00 0.00 8.70 0.79 0.00 0.00 9.00 0.85 0.00 0.00 9.30 0.92 0.00 0.00 9.60 0.99 0.00 0.00 9.90 1.08 0.00 0.00 10.20 1.16 0.00 0.00 10.50 1.26 0.00 0.00 10.80 1.38 0.00 0.00 11.10 1.51 0.00 0.00 11.40 1.67 0.00 0.00 11.70 1.98 0.01 0.02 12.00 2.92 0.15 0.33 12.30 3.86 0.43 0.42 12.60 4.17 0.55 0.16 12.90 4.33 0.62 0.12 13.20 4.46 0.67 0.10 13.50 4.58 0.72 0.09 13.80 4.68 0.77 0.08 14.10 4.76 0.81 0.07 14.40 4.85 0.85 0.07 14.70 4.92 0.88 0.06 15.00 4.99 0.91 0.06 15.30 5.05 0.94 0.05 Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 15.60 5.11 0.97 0.05 15.90 5.16 1.00 0.04 16.20 5.20 1.02 0.04 16.50 5.25 1.04 0.04 16.80 5.29 1.06 0.04 17.10 5.32 1.08 0.03 17.40 5.36 1.10 0.03 17.70 5.39 1.11 0.03 18.00 5.42 1.13 0.03 18.30 5.45 1.14 0.03 18.60 5.47 1.16 0.03 18.90 5.50 1.17 0.02 19.20 5.53 1.18 0.02 19.50 5.55 1.20 0.02 19.80 5.57 1.21 0.02 20.10 5.60 1.22 0.02 20.40 5.62 1.23 0.02 20.70 5.64 1.24 0.02 21.00 5.66 1.26 0.02 21.30 5.68 1.27 0.02 21.60 5.70 1.28 0.02 21.90 5.72 1.29 0.02 22.20 5.74 1.30 0.02 22.50 5.76 1.31 0.02 22.80 5.78 1.32 0.02 23.10 5.79 1.33 0.02 23.40 5.81 1.34 0.02 23.70 5.82 1.34 0.02 24.00 5.84 1.35 0.02 24.30 5.84 1.35 0.00 24.60 5.84 1.35 0.00 24.90 5.84 1.35 0.00 25.20 5.84 1.35 0.00 25.50 5.84 1.35 0.00 25.80 5.84 1.35 0.00 26.10 5.84 1.35 0.00 26.40 5.84 1.35 0.00 26.70 5.84 1.35 0.00 27.00 5.84 1.35 0.00 27.30 5.84 1.35 0.00 27.60 5.84 1.35 0.00 27.90 5.84 1.35 0.00 Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 98HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Subcatchment 1BS: Direct Runoff into Swale - M1 Runoff = 0.03 cfs @ 12.36 hrs, Volume= 0.006 af, Depth= 0.40" Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Type III 24-hr 25-year Rainfall=5.84" Area (sf) CN Description 7,973 39 >75% Grass cover, Good, HSG A 7,973 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, (minimum) 5.0 0 Total, Increased to minimum Tc = 6.0 min Subcatchment 1BS: Direct Runoff into Swale - M1 Runoff Hydrograph Time (hours) 26242220181614121086420Flow (cfs)0.03 0.028 0.026 0.024 0.022 0.02 0.018 0.016 0.014 0.012 0.01 0.008 0.006 0.004 0.002 0 Type III 24-hr 25-year Rainfall=5.84" Runoff Area=7,973 sf Runoff Volume=0.006 af Runoff Depth=0.40" Tc=6.0 min CN=39 0.03 cfs Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 99HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Subcatchment 1BS: Direct Runoff into Swale - M1 Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 0.00 0.00 0.00 0.00 0.30 0.02 0.00 0.00 0.60 0.04 0.00 0.00 0.90 0.05 0.00 0.00 1.20 0.07 0.00 0.00 1.50 0.09 0.00 0.00 1.80 0.11 0.00 0.00 2.10 0.12 0.00 0.00 2.40 0.14 0.00 0.00 2.70 0.16 0.00 0.00 3.00 0.18 0.00 0.00 3.30 0.20 0.00 0.00 3.60 0.22 0.00 0.00 3.90 0.24 0.00 0.00 4.20 0.27 0.00 0.00 4.50 0.29 0.00 0.00 4.80 0.31 0.00 0.00 5.10 0.34 0.00 0.00 5.40 0.37 0.00 0.00 5.70 0.39 0.00 0.00 6.00 0.42 0.00 0.00 6.30 0.45 0.00 0.00 6.60 0.48 0.00 0.00 6.90 0.52 0.00 0.00 7.20 0.55 0.00 0.00 7.50 0.59 0.00 0.00 7.80 0.64 0.00 0.00 8.10 0.68 0.00 0.00 8.40 0.73 0.00 0.00 8.70 0.79 0.00 0.00 9.00 0.85 0.00 0.00 9.30 0.92 0.00 0.00 9.60 0.99 0.00 0.00 9.90 1.08 0.00 0.00 10.20 1.16 0.00 0.00 10.50 1.26 0.00 0.00 10.80 1.38 0.00 0.00 11.10 1.51 0.00 0.00 11.40 1.67 0.00 0.00 11.70 1.98 0.00 0.00 12.00 2.92 0.00 0.00 12.30 3.86 0.03 0.03 12.60 4.17 0.06 0.02 12.90 4.33 0.09 0.01 13.20 4.46 0.10 0.01 13.50 4.58 0.12 0.01 13.80 4.68 0.14 0.01 14.10 4.76 0.15 0.01 14.40 4.85 0.17 0.01 14.70 4.92 0.18 0.01 15.00 4.99 0.20 0.01 15.30 5.05 0.21 0.01 Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 15.60 5.11 0.22 0.01 15.90 5.16 0.23 0.01 16.20 5.20 0.24 0.01 16.50 5.25 0.25 0.01 16.80 5.29 0.26 0.01 17.10 5.32 0.27 0.01 17.40 5.36 0.28 0.00 17.70 5.39 0.29 0.00 18.00 5.42 0.29 0.00 18.30 5.45 0.30 0.00 18.60 5.47 0.31 0.00 18.90 5.50 0.31 0.00 19.20 5.53 0.32 0.00 19.50 5.55 0.32 0.00 19.80 5.57 0.33 0.00 20.10 5.60 0.34 0.00 20.40 5.62 0.34 0.00 20.70 5.64 0.35 0.00 21.00 5.66 0.35 0.00 21.30 5.68 0.36 0.00 21.60 5.70 0.36 0.00 21.90 5.72 0.37 0.00 22.20 5.74 0.37 0.00 22.50 5.76 0.38 0.00 22.80 5.78 0.38 0.00 23.10 5.79 0.39 0.00 23.40 5.81 0.39 0.00 23.70 5.82 0.40 0.00 24.00 5.84 0.40 0.00 24.30 5.84 0.40 0.00 24.60 5.84 0.40 0.00 24.90 5.84 0.40 0.00 25.20 5.84 0.40 0.00 25.50 5.84 0.40 0.00 25.80 5.84 0.40 0.00 26.10 5.84 0.40 0.00 26.40 5.84 0.40 0.00 26.70 5.84 0.40 0.00 27.00 5.84 0.40 0.00 27.30 5.84 0.40 0.00 27.60 5.84 0.40 0.00 27.90 5.84 0.40 0.00 Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 100HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Subcatchment 2AS: Runoff into Catch Basins - M2 Runoff = 3.44 cfs @ 12.13 hrs, Volume= 0.308 af, Depth= 1.28" Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Type III 24-hr 25-year Rainfall=5.84" Area (sf) CN Description 32,244 98 Paved parking, HSG A 51,318 39 >75% Grass cover, Good, HSG A 42,245 36 Woods, Fair, HSG A 125,807 53 Weighted Average 93,563 74.37% Pervious Area 32,244 25.63% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.5 50 0.0500 0.15 Sheet Flow, Grass: Dense n= 0.240 P2= 3.36" 1.5 90 0.0200 0.99 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 0.4 130 0.0600 4.97 Shallow Concentrated Flow, Paved Kv= 20.3 fps 7.4 270 Total Subcatchment 2AS: Runoff into Catch Basins - M2 Runoff Hydrograph Time (hours) 26242220181614121086420Flow (cfs)3 2 1 0 Type III 24-hr 25-year Rainfall=5.84" Runoff Area=125,807 sf Runoff Volume=0.308 af Runoff Depth=1.28" Flow Length=270' Tc=7.4 min CN=53 3.44 cfs Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 101HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Subcatchment 2AS: Runoff into Catch Basins - M2 Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 0.00 0.00 0.00 0.00 0.30 0.02 0.00 0.00 0.60 0.04 0.00 0.00 0.90 0.05 0.00 0.00 1.20 0.07 0.00 0.00 1.50 0.09 0.00 0.00 1.80 0.11 0.00 0.00 2.10 0.12 0.00 0.00 2.40 0.14 0.00 0.00 2.70 0.16 0.00 0.00 3.00 0.18 0.00 0.00 3.30 0.20 0.00 0.00 3.60 0.22 0.00 0.00 3.90 0.24 0.00 0.00 4.20 0.27 0.00 0.00 4.50 0.29 0.00 0.00 4.80 0.31 0.00 0.00 5.10 0.34 0.00 0.00 5.40 0.37 0.00 0.00 5.70 0.39 0.00 0.00 6.00 0.42 0.00 0.00 6.30 0.45 0.00 0.00 6.60 0.48 0.00 0.00 6.90 0.52 0.00 0.00 7.20 0.55 0.00 0.00 7.50 0.59 0.00 0.00 7.80 0.64 0.00 0.00 8.10 0.68 0.00 0.00 8.40 0.73 0.00 0.00 8.70 0.79 0.00 0.00 9.00 0.85 0.00 0.00 9.30 0.92 0.00 0.00 9.60 0.99 0.00 0.00 9.90 1.08 0.00 0.00 10.20 1.16 0.00 0.00 10.50 1.26 0.00 0.00 10.80 1.38 0.00 0.00 11.10 1.51 0.00 0.00 11.40 1.67 0.00 0.00 11.70 1.98 0.00 0.05 12.00 2.92 0.13 1.27 12.30 3.86 0.40 2.17 12.60 4.17 0.51 0.89 12.90 4.33 0.57 0.62 13.20 4.46 0.63 0.49 13.50 4.58 0.67 0.45 13.80 4.68 0.72 0.41 14.10 4.76 0.75 0.37 14.40 4.85 0.79 0.35 14.70 4.92 0.82 0.33 15.00 4.99 0.86 0.30 15.30 5.05 0.88 0.28 Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 15.60 5.11 0.91 0.26 15.90 5.16 0.94 0.23 16.20 5.20 0.96 0.21 16.50 5.25 0.98 0.20 16.80 5.29 1.00 0.19 17.10 5.32 1.01 0.18 17.40 5.36 1.03 0.16 17.70 5.39 1.05 0.15 18.00 5.42 1.06 0.14 18.30 5.45 1.08 0.13 18.60 5.47 1.09 0.13 18.90 5.50 1.10 0.13 19.20 5.53 1.12 0.12 19.50 5.55 1.13 0.12 19.80 5.57 1.14 0.12 20.10 5.60 1.15 0.11 20.40 5.62 1.16 0.11 20.70 5.64 1.17 0.11 21.00 5.66 1.19 0.11 21.30 5.68 1.20 0.10 21.60 5.70 1.21 0.10 21.90 5.72 1.22 0.10 22.20 5.74 1.23 0.09 22.50 5.76 1.24 0.09 22.80 5.78 1.24 0.09 23.10 5.79 1.25 0.09 23.40 5.81 1.26 0.08 23.70 5.82 1.27 0.08 24.00 5.84 1.28 0.08 24.30 5.84 1.28 0.00 24.60 5.84 1.28 0.00 24.90 5.84 1.28 0.00 25.20 5.84 1.28 0.00 25.50 5.84 1.28 0.00 25.80 5.84 1.28 0.00 26.10 5.84 1.28 0.00 26.40 5.84 1.28 0.00 26.70 5.84 1.28 0.00 27.00 5.84 1.28 0.00 27.30 5.84 1.28 0.00 27.60 5.84 1.28 0.00 27.90 5.84 1.28 0.00 Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 102HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Subcatchment 2BS: Direct Runoff into Swale - M2 Runoff = 0.32 cfs @ 12.29 hrs, Volume= 0.057 af, Depth= 0.56" Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Type III 24-hr 25-year Rainfall=5.84" Area (sf) CN Description 25,000 36 Woods, Fair, HSG A 24,058 39 >75% Grass cover, Good, HSG A 4,089 98 Paved parking, HSG A 53,147 42 Weighted Average 49,058 92.31% Pervious Area 4,089 7.69% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 3.5 50 0.1600 0.24 Sheet Flow, Grass: Dense n= 0.240 P2= 3.36" 2.8 330 0.0800 1.98 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 6.3 380 Total Subcatchment 2BS: Direct Runoff into Swale - M2 Runoff Hydrograph Time (hours) 26242220181614121086420Flow (cfs)0.36 0.34 0.32 0.3 0.28 0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 Type III 24-hr 25-year Rainfall=5.84" Runoff Area=53,147 sf Runoff Volume=0.057 af Runoff Depth=0.56" Flow Length=380' Tc=6.3 min CN=42 0.32 cfs Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 103HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Subcatchment 2BS: Direct Runoff into Swale - M2 Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 0.00 0.00 0.00 0.00 0.30 0.02 0.00 0.00 0.60 0.04 0.00 0.00 0.90 0.05 0.00 0.00 1.20 0.07 0.00 0.00 1.50 0.09 0.00 0.00 1.80 0.11 0.00 0.00 2.10 0.12 0.00 0.00 2.40 0.14 0.00 0.00 2.70 0.16 0.00 0.00 3.00 0.18 0.00 0.00 3.30 0.20 0.00 0.00 3.60 0.22 0.00 0.00 3.90 0.24 0.00 0.00 4.20 0.27 0.00 0.00 4.50 0.29 0.00 0.00 4.80 0.31 0.00 0.00 5.10 0.34 0.00 0.00 5.40 0.37 0.00 0.00 5.70 0.39 0.00 0.00 6.00 0.42 0.00 0.00 6.30 0.45 0.00 0.00 6.60 0.48 0.00 0.00 6.90 0.52 0.00 0.00 7.20 0.55 0.00 0.00 7.50 0.59 0.00 0.00 7.80 0.64 0.00 0.00 8.10 0.68 0.00 0.00 8.40 0.73 0.00 0.00 8.70 0.79 0.00 0.00 9.00 0.85 0.00 0.00 9.30 0.92 0.00 0.00 9.60 0.99 0.00 0.00 9.90 1.08 0.00 0.00 10.20 1.16 0.00 0.00 10.50 1.26 0.00 0.00 10.80 1.38 0.00 0.00 11.10 1.51 0.00 0.00 11.40 1.67 0.00 0.00 11.70 1.98 0.00 0.00 12.00 2.92 0.00 0.00 12.30 3.86 0.08 0.32 12.60 4.17 0.13 0.16 12.90 4.33 0.16 0.12 13.20 4.46 0.19 0.10 13.50 4.58 0.21 0.10 13.80 4.68 0.23 0.09 14.10 4.76 0.25 0.08 14.40 4.85 0.27 0.08 14.70 4.92 0.29 0.08 15.00 4.99 0.31 0.07 15.30 5.05 0.33 0.07 Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 15.60 5.11 0.34 0.06 15.90 5.16 0.35 0.06 16.20 5.20 0.37 0.05 16.50 5.25 0.38 0.05 16.80 5.29 0.39 0.05 17.10 5.32 0.40 0.04 17.40 5.36 0.41 0.04 17.70 5.39 0.42 0.04 18.00 5.42 0.43 0.04 18.30 5.45 0.44 0.03 18.60 5.47 0.45 0.03 18.90 5.50 0.45 0.03 19.20 5.53 0.46 0.03 19.50 5.55 0.47 0.03 19.80 5.57 0.48 0.03 20.10 5.60 0.48 0.03 20.40 5.62 0.49 0.03 20.70 5.64 0.50 0.03 21.00 5.66 0.50 0.03 21.30 5.68 0.51 0.03 21.60 5.70 0.52 0.03 21.90 5.72 0.52 0.03 22.20 5.74 0.53 0.02 22.50 5.76 0.53 0.02 22.80 5.78 0.54 0.02 23.10 5.79 0.55 0.02 23.40 5.81 0.55 0.02 23.70 5.82 0.56 0.02 24.00 5.84 0.56 0.02 24.30 5.84 0.56 0.00 24.60 5.84 0.56 0.00 24.90 5.84 0.56 0.00 25.20 5.84 0.56 0.00 25.50 5.84 0.56 0.00 25.80 5.84 0.56 0.00 26.10 5.84 0.56 0.00 26.40 5.84 0.56 0.00 26.70 5.84 0.56 0.00 27.00 5.84 0.56 0.00 27.30 5.84 0.56 0.00 27.60 5.84 0.56 0.00 27.90 5.84 0.56 0.00 Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 104HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Subcatchment 3S: Roof Runoff (per Dwelling) Runoff = 0.17 cfs @ 12.08 hrs, Volume= 0.014 af, Depth= 5.60" Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Type III 24-hr 25-year Rainfall=5.84" Area (sf) CN Description 1,288 98 Roofs, HSG A 1,288 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 0.1 20 0.4000 3.33 Sheet Flow, Smooth surfaces n= 0.011 P2= 3.25" 0.1 20 Total, Increased to minimum Tc = 6.0 min Subcatchment 3S: Roof Runoff (per Dwelling) Runoff Hydrograph Time (hours) 26242220181614121086420Flow (cfs)0.18 0.17 0.16 0.15 0.14 0.13 0.12 0.11 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0 Type III 24-hr 25-year Rainfall=5.84" Runoff Area=1,288 sf Runoff Volume=0.014 af Runoff Depth=5.60" Flow Length=20' Slope=0.4000 '/' Tc=6.0 min CN=98 0.17 cfs Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 105HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Subcatchment 3S: Roof Runoff (per Dwelling) Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 0.00 0.00 0.00 0.00 0.30 0.02 0.00 0.00 0.60 0.04 0.00 0.00 0.90 0.05 0.00 0.00 1.20 0.07 0.00 0.00 1.50 0.09 0.01 0.00 1.80 0.11 0.02 0.00 2.10 0.12 0.02 0.00 2.40 0.14 0.03 0.00 2.70 0.16 0.04 0.00 3.00 0.18 0.06 0.00 3.30 0.20 0.07 0.00 3.60 0.22 0.08 0.00 3.90 0.24 0.10 0.00 4.20 0.27 0.12 0.00 4.50 0.29 0.14 0.00 4.80 0.31 0.16 0.00 5.10 0.34 0.18 0.00 5.40 0.37 0.20 0.00 5.70 0.39 0.22 0.00 6.00 0.42 0.25 0.00 6.30 0.45 0.27 0.00 6.60 0.48 0.30 0.00 6.90 0.52 0.33 0.00 7.20 0.55 0.37 0.00 7.50 0.59 0.40 0.00 7.80 0.64 0.44 0.00 8.10 0.68 0.49 0.00 8.40 0.73 0.53 0.00 8.70 0.79 0.59 0.01 9.00 0.85 0.65 0.01 9.30 0.92 0.71 0.01 9.60 0.99 0.79 0.01 9.90 1.08 0.86 0.01 10.20 1.16 0.95 0.01 10.50 1.26 1.05 0.01 10.80 1.38 1.16 0.01 11.10 1.51 1.29 0.01 11.40 1.67 1.45 0.02 11.70 1.98 1.76 0.04 12.00 2.92 2.69 0.11 12.30 3.86 3.62 0.07 12.60 4.17 3.93 0.02 12.90 4.33 4.10 0.02 13.20 4.46 4.23 0.01 13.50 4.58 4.34 0.01 13.80 4.68 4.44 0.01 14.10 4.76 4.53 0.01 14.40 4.85 4.61 0.01 14.70 4.92 4.68 0.01 15.00 4.99 4.75 0.01 15.30 5.05 4.81 0.01 Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 15.60 5.11 4.87 0.01 15.90 5.16 4.92 0.00 16.20 5.20 4.97 0.00 16.50 5.25 5.01 0.00 16.80 5.29 5.05 0.00 17.10 5.32 5.09 0.00 17.40 5.36 5.12 0.00 17.70 5.39 5.15 0.00 18.00 5.42 5.18 0.00 18.30 5.45 5.21 0.00 18.60 5.47 5.24 0.00 18.90 5.50 5.26 0.00 19.20 5.53 5.29 0.00 19.50 5.55 5.31 0.00 19.80 5.57 5.34 0.00 20.10 5.60 5.36 0.00 20.40 5.62 5.38 0.00 20.70 5.64 5.40 0.00 21.00 5.66 5.42 0.00 21.30 5.68 5.44 0.00 21.60 5.70 5.46 0.00 21.90 5.72 5.48 0.00 22.20 5.74 5.50 0.00 22.50 5.76 5.52 0.00 22.80 5.78 5.54 0.00 23.10 5.79 5.55 0.00 23.40 5.81 5.57 0.00 23.70 5.82 5.59 0.00 24.00 5.84 5.60 0.00 24.30 5.84 5.60 0.00 24.60 5.84 5.60 0.00 24.90 5.84 5.60 0.00 25.20 5.84 5.60 0.00 25.50 5.84 5.60 0.00 25.80 5.84 5.60 0.00 26.10 5.84 5.60 0.00 26.40 5.84 5.60 0.00 26.70 5.84 5.60 0.00 27.00 5.84 5.60 0.00 27.30 5.84 5.60 0.00 27.60 5.84 5.60 0.00 27.90 5.84 5.60 0.00 Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 106HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Pond 1AP: Grassed Swale Leaching - M1 Inflow Area = 0.732 ac, 19.72% Impervious, Inflow Depth = 1.11" for 25-year event Inflow = 0.75 cfs @ 12.10 hrs, Volume= 0.068 af Outflow = 0.40 cfs @ 12.37 hrs, Volume= 0.066 af, Atten= 46%, Lag= 16.1 min Discarded = 0.04 cfs @ 12.37 hrs, Volume= 0.045 af Secondary = 0.37 cfs @ 12.37 hrs, Volume= 0.021 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Peak Elev= 50.06' @ 12.37 hrs Surf.Area= 637 sf Storage= 731 cf Plug-Flow detention time= 174.3 min calculated for 0.066 af (97% of inflow) Center-of-Mass det. time= 157.5 min ( 1,047.5 - 889.9 ) Volume Invert Avail.Storage Storage Description #1 48.50' 2,417 cf Grassed Swale (Irregular) Listed below (Recalc) Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area (feet) (sq-ft) (feet) (cubic-feet) (cubic-feet) (sq-ft) 48.50 319 92.0 0 0 319 50.00 624 111.0 695 695 662 50.50 738 117.0 340 1,035 784 52.00 1,118 136.0 1,382 2,417 1,212 Device Routing Invert Outlet Devices #1 Discarded 48.50'2.410 in/hr Exfiltration over Wetted area Phase-In= 0.01' #2 Secondary 50.00'24.0" x 24.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads Discarded OutFlow Max=0.04 cfs @ 12.37 hrs HW=50.06' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.04 cfs) Secondary OutFlow Max=0.35 cfs @ 12.37 hrs HW=50.06' TW=42.23' (Dynamic Tailwater) 2=Orifice/Grate (Weir Controls 0.35 cfs @ 0.78 fps) Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 107HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Pond 1AP: Grassed Swale Leaching - M1 Inflow Outflow Discarded Secondary Hydrograph Time (hours) 26242220181614121086420Flow (cfs)0.8 0.75 0.7 0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 Inflow Area=0.732 ac Peak Elev=50.06' Storage=731 cf 0.75 cfs 0.40 cfs 0.04 cfs 0.37 cfs Pond 1AP: Grassed Swale Leaching - M1 Total Discarded Secondary Stage-Discharge Discharge (cfs) 26242220181614121086420Elevation (feet)52 51 50 49 Exfiltration Orifice/Grate Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 108HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Pond 1AP: Grassed Swale Leaching - M1 Surface Wetted Storage Stage-Area-Storage Storage (cubic-feet) 2,0001,5001,0005000 Surface/Horizontal/Wetted Area (sq-ft) 1,2001,0008006004002000 Elevation (feet)52 51 50 49 Grassed Swale Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 109HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Pond 1AP: Grassed Swale Leaching - M1 Time (hours) Inflow (cfs) Storage (cubic-feet) Elevation (feet) Outflow (cfs) Discarded (cfs) Secondary (cfs) 0.00 0.00 0 48.50 0.00 0.00 0.00 0.60 0.00 0 48.50 0.00 0.00 0.00 1.20 0.00 0 48.50 0.00 0.00 0.00 1.80 0.00 0 48.50 0.00 0.00 0.00 2.40 0.00 0 48.50 0.00 0.00 0.00 3.00 0.00 0 48.50 0.00 0.00 0.00 3.60 0.00 0 48.50 0.00 0.00 0.00 4.20 0.00 0 48.50 0.00 0.00 0.00 4.80 0.00 0 48.50 0.00 0.00 0.00 5.40 0.00 0 48.50 0.00 0.00 0.00 6.00 0.00 0 48.50 0.00 0.00 0.00 6.60 0.00 0 48.50 0.00 0.00 0.00 7.20 0.00 0 48.50 0.00 0.00 0.00 7.80 0.00 0 48.50 0.00 0.00 0.00 8.40 0.00 0 48.50 0.00 0.00 0.00 9.00 0.00 0 48.50 0.00 0.00 0.00 9.60 0.00 0 48.50 0.00 0.00 0.00 10.20 0.00 0 48.50 0.00 0.00 0.00 10.80 0.00 0 48.50 0.00 0.00 0.00 11.40 0.00 0 48.50 0.00 0.00 0.00 12.00 0.33 109 48.81 0.02 0.02 0.00 12.60 0.18 715 50.03 0.20 0.04 0.16 13.20 0.11 707 50.02 0.11 0.04 0.07 13.80 0.09 705 50.02 0.09 0.04 0.06 14.40 0.08 703 50.01 0.08 0.04 0.04 15.00 0.07 702 50.01 0.07 0.04 0.03 15.60 0.06 700 50.01 0.06 0.04 0.02 16.20 0.05 698 50.01 0.05 0.04 0.01 16.80 0.04 697 50.00 0.04 0.04 0.01 17.40 0.04 695 50.00 0.04 0.04 0.00 18.00 0.03 689 49.99 0.04 0.04 0.00 18.60 0.03 676 49.97 0.04 0.04 0.00 19.20 0.03 660 49.94 0.04 0.04 0.00 19.80 0.03 641 49.91 0.04 0.04 0.00 20.40 0.03 620 49.88 0.04 0.04 0.00 21.00 0.02 598 49.84 0.03 0.03 0.00 21.60 0.02 574 49.80 0.03 0.03 0.00 22.20 0.02 549 49.76 0.03 0.03 0.00 22.80 0.02 522 49.71 0.03 0.03 0.00 23.40 0.02 495 49.66 0.03 0.03 0.00 24.00 0.02 465 49.60 0.03 0.03 0.00 24.60 0.00 405 49.49 0.03 0.03 0.00 25.20 0.00 342 49.36 0.03 0.03 0.00 25.80 0.00 282 49.23 0.03 0.03 0.00 26.40 0.00 227 49.11 0.03 0.03 0.00 27.00 0.00 174 48.98 0.02 0.02 0.00 27.60 0.00 125 48.86 0.02 0.02 0.00 Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 110HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Discharge for Pond 1AP: Grassed Swale Leaching - M1 Elevation (feet) Discharge (cfs) Discarded (cfs) Secondary (cfs) 48.50 0.00 0.00 0.00 48.55 0.02 0.02 0.00 48.60 0.02 0.02 0.00 48.65 0.02 0.02 0.00 48.70 0.02 0.02 0.00 48.75 0.02 0.02 0.00 48.80 0.02 0.02 0.00 48.85 0.02 0.02 0.00 48.90 0.02 0.02 0.00 48.95 0.02 0.02 0.00 49.00 0.02 0.02 0.00 49.05 0.02 0.02 0.00 49.10 0.03 0.03 0.00 49.15 0.03 0.03 0.00 49.20 0.03 0.03 0.00 49.25 0.03 0.03 0.00 49.30 0.03 0.03 0.00 49.35 0.03 0.03 0.00 49.40 0.03 0.03 0.00 49.45 0.03 0.03 0.00 49.50 0.03 0.03 0.00 49.55 0.03 0.03 0.00 49.60 0.03 0.03 0.00 49.65 0.03 0.03 0.00 49.70 0.03 0.03 0.00 49.75 0.03 0.03 0.00 49.80 0.03 0.03 0.00 49.85 0.03 0.03 0.00 49.90 0.04 0.04 0.00 49.95 0.04 0.04 0.00 50.00 0.04 0.04 0.00 50.05 0.33 0.04 0.29 50.10 0.87 0.04 0.83 50.15 1.56 0.04 1.52 50.20 2.38 0.04 2.34 50.25 3.31 0.04 3.27 50.30 4.34 0.04 4.30 50.35 5.46 0.04 5.42 50.40 6.66 0.04 6.62 50.45 7.94 0.04 7.90 50.50 9.29 0.04 9.25 50.55 10.71 0.04 10.67 50.60 12.20 0.05 12.16 50.65 13.76 0.05 13.71 50.70 15.37 0.05 15.32 50.75 16.73 0.05 16.68 50.80 17.27 0.05 17.23 50.85 17.81 0.05 17.76 50.90 18.32 0.05 18.27 50.95 18.82 0.05 18.77 51.00 19.31 0.05 19.26 51.05 19.79 0.05 19.74 Elevation (feet) Discharge (cfs) Discarded (cfs) Secondary (cfs) 51.10 20.25 0.05 20.20 51.15 20.71 0.05 20.65 51.20 21.15 0.05 21.10 51.25 21.59 0.06 21.53 51.30 22.02 0.06 21.96 51.35 22.43 0.06 22.38 51.40 22.85 0.06 22.79 51.45 23.25 0.06 23.19 51.50 23.65 0.06 23.59 51.55 24.04 0.06 23.98 51.60 24.42 0.06 24.36 51.65 24.80 0.06 24.74 51.70 25.17 0.06 25.11 51.75 25.54 0.06 25.48 51.80 25.90 0.06 25.84 51.85 26.26 0.07 26.20 51.90 26.61 0.07 26.55 51.95 26.96 0.07 26.89 52.00 27.31 0.07 27.24 Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 111HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 1AP: Grassed Swale Leaching - M1 Elevation (feet) Surface (sq-ft) Wetted (sq-ft) Storage (cubic-feet) 48.50 319 319 0 48.55 328 329 16 48.60 336 340 33 48.65 345 350 50 48.70 354 361 67 48.75 363 372 85 48.80 372 382 104 48.85 381 393 122 48.90 390 404 142 48.95 400 415 161 49.00 409 426 182 49.05 419 437 202 49.10 429 448 224 49.15 439 460 245 49.20 449 471 267 49.25 459 482 290 49.30 469 494 313 49.35 479 505 337 49.40 490 517 361 49.45 500 529 386 49.50 511 540 411 49.55 522 552 437 49.60 533 564 463 49.65 544 576 490 49.70 555 588 518 49.75 566 600 546 49.80 577 612 574 49.85 589 624 604 49.90 601 637 633 49.95 612 649 664 50.00 624 662 695 50.05 635 674 726 50.10 646 686 758 50.15 657 698 791 50.20 668 710 824 50.25 680 722 858 50.30 691 735 892 50.35 703 747 927 50.40 714 759 962 50.45 726 772 998 50.50 738 784 1,035 50.55 749 798 1,072 50.60 761 811 1,110 50.65 772 824 1,148 50.70 784 838 1,187 50.75 796 851 1,226 50.80 808 865 1,266 50.85 820 878 1,307 50.90 832 892 1,348 50.95 844 906 1,390 51.00 856 920 1,433 51.05 868 934 1,476 Elevation (feet) Surface (sq-ft) Wetted (sq-ft) Storage (cubic-feet) 51.10 881 948 1,520 51.15 893 962 1,564 51.20 906 976 1,609 51.25 918 990 1,655 51.30 931 1,004 1,701 51.35 944 1,019 1,748 51.40 957 1,033 1,795 51.45 970 1,047 1,843 51.50 983 1,062 1,892 51.55 996 1,077 1,942 51.60 1,009 1,091 1,992 51.65 1,022 1,106 2,042 51.70 1,036 1,121 2,094 51.75 1,049 1,136 2,146 51.80 1,063 1,151 2,199 51.85 1,076 1,166 2,252 51.90 1,090 1,181 2,306 51.95 1,104 1,196 2,361 52.00 1,118 1,212 2,417 Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 112HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Pond 1AR: (2) CB's in Pavement Inflow Area = 0.549 ac, 26.28% Impervious, Inflow Depth = 1.35" for 25-year event Inflow = 0.75 cfs @ 12.10 hrs, Volume= 0.062 af Outflow = 0.75 cfs @ 12.10 hrs, Volume= 0.062 af, Atten= 0%, Lag= 0.0 min Primary = 0.75 cfs @ 12.10 hrs, Volume= 0.062 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Peak Elev= 51.64' @ 12.10 hrs Flood Elev= 53.80' Device Routing Invert Outlet Devices #1 Primary 51.30'12.0" Round Culvert X 2.00 L= 50.0' CPP, projecting, no headwall, Ke= 0.900 Inlet / Outlet Invert= 51.30' / 50.50' S= 0.0160 '/' Cc= 0.900 n= 0.020 Corrugated PE, corrugated interior, Flow Area= 0.79 sf Primary OutFlow Max=0.73 cfs @ 12.10 hrs HW=51.64' TW=49.30' (Dynamic Tailwater) 1=Culvert (Inlet Controls 0.73 cfs @ 1.56 fps) Pond 1AR: (2) CB's in Pavement Inflow Primary Hydrograph Time (hours) 26242220181614121086420Flow (cfs)0.8 0.75 0.7 0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 Inflow Area=0.549 ac Peak Elev=51.64' 12.0" Round Culvert x 2.00 n=0.020 L=50.0' S=0.0160 '/' 0.75 cfs 0.75 cfs Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 113HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Pond 1AR: (2) CB's in Pavement Primary Stage-Discharge Discharge (cfs) 876543210Elevation (feet)53 52 Culvert Pond 1AR: (2) CB's in Pavement Storage Stage-Area-Storage Storage (cubic-feet) 0Elevation (feet)53 52 Flood Elevation Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 114HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Pond 1AR: (2) CB's in Pavement Time (hours) Inflow (cfs) Elevation (feet) Primary (cfs) 0.00 0.00 51.30 0.00 0.30 0.00 51.30 0.00 0.60 0.00 51.30 0.00 0.90 0.00 51.30 0.00 1.20 0.00 51.30 0.00 1.50 0.00 51.30 0.00 1.80 0.00 51.30 0.00 2.10 0.00 51.30 0.00 2.40 0.00 51.30 0.00 2.70 0.00 51.30 0.00 3.00 0.00 51.30 0.00 3.30 0.00 51.30 0.00 3.60 0.00 51.30 0.00 3.90 0.00 51.30 0.00 4.20 0.00 51.30 0.00 4.50 0.00 51.30 0.00 4.80 0.00 51.30 0.00 5.10 0.00 51.30 0.00 5.40 0.00 51.30 0.00 5.70 0.00 51.30 0.00 6.00 0.00 51.30 0.00 6.30 0.00 51.30 0.00 6.60 0.00 51.30 0.00 6.90 0.00 51.30 0.00 7.20 0.00 51.30 0.00 7.50 0.00 51.30 0.00 7.80 0.00 51.30 0.00 8.10 0.00 51.30 0.00 8.40 0.00 51.30 0.00 8.70 0.00 51.30 0.00 9.00 0.00 51.30 0.00 9.30 0.00 51.30 0.00 9.60 0.00 51.30 0.00 9.90 0.00 51.30 0.00 10.20 0.00 51.30 0.00 10.50 0.00 51.30 0.00 10.80 0.00 51.30 0.00 11.10 0.00 51.30 0.00 11.40 0.00 51.30 0.00 11.70 0.02 51.36 0.02 12.00 0.33 51.52 0.33 12.30 0.42 51.55 0.42 12.60 0.16 51.46 0.16 12.90 0.12 51.43 0.12 13.20 0.10 51.42 0.10 13.50 0.09 51.42 0.09 13.80 0.08 51.41 0.08 14.10 0.07 51.40 0.07 14.40 0.07 51.40 0.07 14.70 0.06 51.40 0.06 15.00 0.06 51.40 0.06 15.30 0.05 51.39 0.05 Time (hours) Inflow (cfs) Elevation (feet) Primary (cfs) 15.60 0.05 51.39 0.05 15.90 0.04 51.38 0.04 16.20 0.04 51.38 0.04 16.50 0.04 51.38 0.04 16.80 0.04 51.38 0.04 17.10 0.03 51.37 0.03 17.40 0.03 51.37 0.03 17.70 0.03 51.37 0.03 18.00 0.03 51.37 0.03 18.30 0.03 51.36 0.03 18.60 0.03 51.36 0.03 18.90 0.02 51.36 0.02 19.20 0.02 51.36 0.02 19.50 0.02 51.36 0.02 19.80 0.02 51.36 0.02 20.10 0.02 51.36 0.02 20.40 0.02 51.36 0.02 20.70 0.02 51.36 0.02 21.00 0.02 51.36 0.02 21.30 0.02 51.36 0.02 21.60 0.02 51.36 0.02 21.90 0.02 51.36 0.02 22.20 0.02 51.35 0.02 22.50 0.02 51.35 0.02 22.80 0.02 51.35 0.02 23.10 0.02 51.35 0.02 23.40 0.02 51.35 0.02 23.70 0.02 51.35 0.02 24.00 0.02 51.35 0.02 24.30 0.00 51.30 0.00 24.60 0.00 51.30 0.00 24.90 0.00 51.30 0.00 25.20 0.00 51.30 0.00 25.50 0.00 51.30 0.00 25.80 0.00 51.30 0.00 26.10 0.00 51.30 0.00 26.40 0.00 51.30 0.00 26.70 0.00 51.30 0.00 27.00 0.00 51.30 0.00 27.30 0.00 51.30 0.00 27.60 0.00 51.30 0.00 27.90 0.00 51.30 0.00 Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 115HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Discharge for Pond 1AR: (2) CB's in Pavement Elevation (feet) Primary (cfs) 51.30 0.00 51.31 0.00 51.32 0.00 51.33 0.01 51.34 0.01 51.35 0.02 51.36 0.02 51.37 0.03 51.38 0.04 51.39 0.05 51.40 0.07 51.41 0.08 51.42 0.10 51.43 0.11 51.44 0.13 51.45 0.15 51.46 0.17 51.47 0.20 51.48 0.22 51.49 0.24 51.50 0.27 51.51 0.30 51.52 0.32 51.53 0.35 51.54 0.38 51.55 0.41 51.56 0.44 51.57 0.48 51.58 0.51 51.59 0.55 51.60 0.58 51.61 0.62 51.62 0.66 51.63 0.70 51.64 0.74 51.65 0.78 51.66 0.82 51.67 0.86 51.68 0.91 51.69 0.95 51.70 1.00 51.71 1.04 51.72 1.09 51.73 1.14 51.74 1.19 51.75 1.24 51.76 1.29 51.77 1.34 51.78 1.39 51.79 1.44 51.80 1.49 51.81 1.55 Elevation (feet) Primary (cfs) 51.82 1.60 51.83 1.65 51.84 1.71 51.85 1.76 51.86 1.82 51.87 1.88 51.88 1.93 51.89 1.99 51.90 2.05 51.91 2.11 51.92 2.17 51.93 2.22 51.94 2.28 51.95 2.34 51.96 2.40 51.97 2.46 51.98 2.52 51.99 2.58 52.00 2.64 52.01 2.70 52.02 2.76 52.03 2.82 52.04 2.88 52.05 2.94 52.06 3.00 52.07 3.06 52.08 3.12 52.09 3.18 52.10 3.24 52.11 3.30 52.12 3.36 52.13 3.41 52.14 3.47 52.15 3.53 52.16 3.58 52.17 3.64 52.18 3.69 52.19 3.74 52.20 3.80 52.21 3.85 52.22 3.90 52.23 3.95 52.24 3.99 52.25 4.04 52.26 4.08 52.27 4.12 52.28 4.16 52.29 4.19 52.30 4.22 52.31 4.26 52.32 4.31 52.33 4.35 Elevation (feet) Primary (cfs) 52.34 4.39 52.35 4.43 52.36 4.47 52.37 4.51 52.38 4.55 52.39 4.59 52.40 4.63 52.41 4.66 52.42 4.70 52.43 4.74 52.44 4.78 52.45 4.81 52.46 4.85 52.47 4.89 52.48 4.92 52.49 4.96 52.50 5.00 52.51 5.03 52.52 5.07 52.53 5.10 52.54 5.14 52.55 5.17 52.56 5.21 52.57 5.24 52.58 5.27 52.59 5.31 52.60 5.34 52.61 5.37 52.62 5.41 52.63 5.44 52.64 5.47 52.65 5.51 52.66 5.54 52.67 5.57 52.68 5.60 52.69 5.63 52.70 5.66 52.71 5.70 52.72 5.73 52.73 5.76 52.74 5.79 52.75 5.82 52.76 5.85 52.77 5.88 52.78 5.91 52.79 5.94 52.80 5.97 52.81 6.00 52.82 6.03 52.83 6.06 52.84 6.09 52.85 6.12 Elevation (feet) Primary (cfs) 52.86 6.15 52.87 6.18 52.88 6.21 52.89 6.23 52.90 6.26 52.91 6.29 52.92 6.32 52.93 6.35 52.94 6.38 52.95 6.40 52.96 6.43 52.97 6.45 52.98 6.47 52.99 6.49 53.00 6.51 53.01 6.54 53.02 6.56 53.03 6.58 53.04 6.60 53.05 6.62 53.06 6.64 53.07 6.67 53.08 6.69 53.09 6.71 53.10 6.73 53.11 6.75 53.12 6.77 53.13 6.79 53.14 6.81 53.15 6.83 53.16 6.85 53.17 6.87 53.18 6.89 53.19 6.92 53.20 6.94 53.21 6.96 53.22 6.98 53.23 7.00 53.24 7.02 53.25 7.04 53.26 7.06 53.27 7.08 53.28 7.10 53.29 7.12 53.30 7.14 53.31 7.16 53.32 7.18 53.33 7.20 53.34 7.22 53.35 7.24 53.36 7.25 53.37 7.27 Elevation (feet) Primary (cfs) 53.38 7.29 53.39 7.31 53.40 7.33 53.41 7.35 53.42 7.37 53.43 7.39 53.44 7.41 53.45 7.43 53.46 7.45 53.47 7.47 53.48 7.49 53.49 7.50 53.50 7.52 53.51 7.54 53.52 7.56 53.53 7.58 53.54 7.60 53.55 7.62 53.56 7.63 53.57 7.65 53.58 7.67 53.59 7.69 53.60 7.71 53.61 7.73 53.62 7.75 53.63 7.76 53.64 7.78 53.65 7.80 53.66 7.82 53.67 7.84 53.68 7.85 53.69 7.87 53.70 7.89 53.71 7.91 53.72 7.93 53.73 7.94 53.74 7.96 53.75 7.98 53.76 8.00 53.77 8.01 53.78 8.03 53.79 8.05 53.80 8.07 Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 116HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 1AR: (2) CB's in Pavement Elevation (feet) Storage (cubic-feet) 51.30 0 51.32 0 51.34 0 51.36 0 51.38 0 51.40 0 51.42 0 51.44 0 51.46 0 51.48 0 51.50 0 51.52 0 51.54 0 51.56 0 51.58 0 51.60 0 51.62 0 51.64 0 51.66 0 51.68 0 51.70 0 51.72 0 51.74 0 51.76 0 51.78 0 51.80 0 51.82 0 51.84 0 51.86 0 51.88 0 51.90 0 51.92 0 51.94 0 51.96 0 51.98 0 52.00 0 52.02 0 52.04 0 52.06 0 52.08 0 52.10 0 52.12 0 52.14 0 52.16 0 52.18 0 52.20 0 52.22 0 52.24 0 52.26 0 52.28 0 52.30 0 52.32 0 Elevation (feet) Storage (cubic-feet) 52.34 0 52.36 0 52.38 0 52.40 0 52.42 0 52.44 0 52.46 0 52.48 0 52.50 0 52.52 0 52.54 0 52.56 0 52.58 0 52.60 0 52.62 0 52.64 0 52.66 0 52.68 0 52.70 0 52.72 0 52.74 0 52.76 0 52.78 0 52.80 0 52.82 0 52.84 0 52.86 0 52.88 0 52.90 0 52.92 0 52.94 0 52.96 0 52.98 0 53.00 0 53.02 0 53.04 0 53.06 0 53.08 0 53.10 0 53.12 0 53.14 0 53.16 0 53.18 0 53.20 0 53.22 0 53.24 0 53.26 0 53.28 0 53.30 0 53.32 0 53.34 0 53.36 0 Elevation (feet) Storage (cubic-feet) 53.38 0 53.40 0 53.42 0 53.44 0 53.46 0 53.48 0 53.50 0 53.52 0 53.54 0 53.56 0 53.58 0 53.60 0 53.62 0 53.64 0 53.66 0 53.68 0 53.70 0 53.72 0 53.74 0 53.76 0 53.78 0 53.80 0 Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 117HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Pond 1BP: (1) 28'x14' Leaching Facility - (2) 6'x6' Leach Pits, 14' O.C. with stone around Inflow = 0.37 cfs @ 12.37 hrs, Volume= 0.021 af Outflow = 0.09 cfs @ 12.96 hrs, Volume= 0.021 af, Atten= 75%, Lag= 35.3 min Discarded = 0.09 cfs @ 12.96 hrs, Volume= 0.021 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Peak Elev= 43.09' @ 12.96 hrs Surf.Area= 392 sf Storage= 222 cf Plug-Flow detention time= 23.4 min calculated for 0.021 af (100% of inflow) Center-of-Mass det. time= 23.4 min ( 831.9 - 808.5 ) Volume Invert Avail.Storage Storage Description #1 42.00' 879 cf 14.00'W x 28.00'L x 6.00'H Prismatoid 2,352 cf Overall - 398 cf Embedded = 1,954 cf x 45.0% Voids #2 42.00' 339 cf 6.00'D x 6.00'H Vertical Cone/Cylinder x 2 Inside #1 398 cf Overall - 3.0" Wall Thickness = 339 cf 1,219 cf Total Available Storage Device Routing Invert Outlet Devices #1 Discarded 42.00'8.270 in/hr Exfiltration over Wetted area Phase-In= 0.01' Discarded OutFlow Max=0.09 cfs @ 12.96 hrs HW=43.09' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.09 cfs) Pond 1BP: (1) 28'x14' Leaching Facility - (2) 6'x6' Leach Pits, 14' O.C. with stone around Inflow Discarded Hydrograph Time (hours) 26242220181614121086420Flow (cfs)0.4 0.38 0.36 0.34 0.32 0.3 0.28 0.26 0.24 0.22 0.2 0.18 0.16 0.14 0.12 0.1 0.08 0.06 0.04 0.02 0 Peak Elev=43.09' Storage=222 cf 0.37 cfs 0.09 cfs Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 118HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Pond 1BP: (1) 28'x14' Leaching Facility - (2) 6'x6' Leach Pits, 14' O.C. with stone around Discarded Stage-Discharge Discharge (cfs) 0.170.160.150.140.130.120.110.10.090.080.070.060.050.040.030.020.010Elevation (feet)48 47 46 45 44 43 42 Exfiltration Pond 1BP: (1) 28'x14' Leaching Facility - (2) 6'x6' Leach Pits, 14' O.C. with stone around Wetted Storage Stage-Area-Storage Storage (cubic-feet) 1,2001,0008006004002000 Surface/Horizontal/Wetted Area (sq-ft) 850800750700650600550500450400350300250200150100500 Elevation (feet)48 47 46 45 44 43 42 Prismatoid + Vertical Cone/Cylinder Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 119HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Pond 1BP: (1) 28'x14' Leaching Facility - (2) 6'x6' Leach Pits, 14' O.C. with stone around Time (hours) Inflow (cfs) Storage (cubic-feet) Elevation (feet) Discarded (cfs) 0.00 0.00 0 42.00 0.00 0.30 0.00 0 42.00 0.00 0.60 0.00 0 42.00 0.00 0.90 0.00 0 42.00 0.00 1.20 0.00 0 42.00 0.00 1.50 0.00 0 42.00 0.00 1.80 0.00 0 42.00 0.00 2.10 0.00 0 42.00 0.00 2.40 0.00 0 42.00 0.00 2.70 0.00 0 42.00 0.00 3.00 0.00 0 42.00 0.00 3.30 0.00 0 42.00 0.00 3.60 0.00 0 42.00 0.00 3.90 0.00 0 42.00 0.00 4.20 0.00 0 42.00 0.00 4.50 0.00 0 42.00 0.00 4.80 0.00 0 42.00 0.00 5.10 0.00 0 42.00 0.00 5.40 0.00 0 42.00 0.00 5.70 0.00 0 42.00 0.00 6.00 0.00 0 42.00 0.00 6.30 0.00 0 42.00 0.00 6.60 0.00 0 42.00 0.00 6.90 0.00 0 42.00 0.00 7.20 0.00 0 42.00 0.00 7.50 0.00 0 42.00 0.00 7.80 0.00 0 42.00 0.00 8.10 0.00 0 42.00 0.00 8.40 0.00 0 42.00 0.00 8.70 0.00 0 42.00 0.00 9.00 0.00 0 42.00 0.00 9.30 0.00 0 42.00 0.00 9.60 0.00 0 42.00 0.00 9.90 0.00 0 42.00 0.00 10.20 0.00 0 42.00 0.00 10.50 0.00 0 42.00 0.00 10.80 0.00 0 42.00 0.00 11.10 0.00 0 42.00 0.00 11.40 0.00 0 42.00 0.00 11.70 0.00 0 42.00 0.00 12.00 0.00 0 42.00 0.00 12.30 0.00 0 42.00 0.00 12.60 0.16 191 42.94 0.09 12.90 0.10 221 43.09 0.09 13.20 0.07 211 43.04 0.09 13.50 0.06 187 42.92 0.09 13.80 0.06 156 42.77 0.09 14.10 0.05 117 42.58 0.08 14.40 0.04 75 42.37 0.08 14.70 0.04 31 42.15 0.08 15.00 0.03 1 42.00 0.03 15.30 0.03 1 42.00 0.03 Time (hours) Inflow (cfs) Storage (cubic-feet) Elevation (feet) Discarded (cfs) 15.60 0.02 1 42.00 0.02 15.90 0.02 0 42.00 0.02 16.20 0.01 0 42.00 0.01 16.50 0.01 0 42.00 0.01 16.80 0.01 0 42.00 0.01 17.10 0.00 0 42.00 0.00 17.40 0.00 0 42.00 0.00 17.70 0.00 0 42.00 0.00 18.00 0.00 0 42.00 0.00 18.30 0.00 0 42.00 0.00 18.60 0.00 0 42.00 0.00 18.90 0.00 0 42.00 0.00 19.20 0.00 0 42.00 0.00 19.50 0.00 0 42.00 0.00 19.80 0.00 0 42.00 0.00 20.10 0.00 0 42.00 0.00 20.40 0.00 0 42.00 0.00 20.70 0.00 0 42.00 0.00 21.00 0.00 0 42.00 0.00 21.30 0.00 0 42.00 0.00 21.60 0.00 0 42.00 0.00 21.90 0.00 0 42.00 0.00 22.20 0.00 0 42.00 0.00 22.50 0.00 0 42.00 0.00 22.80 0.00 0 42.00 0.00 23.10 0.00 0 42.00 0.00 23.40 0.00 0 42.00 0.00 23.70 0.00 0 42.00 0.00 24.00 0.00 0 42.00 0.00 24.30 0.00 0 42.00 0.00 24.60 0.00 0 42.00 0.00 24.90 0.00 0 42.00 0.00 25.20 0.00 0 42.00 0.00 25.50 0.00 0 42.00 0.00 25.80 0.00 0 42.00 0.00 26.10 0.00 0 42.00 0.00 26.40 0.00 0 42.00 0.00 26.70 0.00 0 42.00 0.00 27.00 0.00 0 42.00 0.00 27.30 0.00 0 42.00 0.00 27.60 0.00 0 42.00 0.00 27.90 0.00 0 42.00 0.00 Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 120HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Discharge for Pond 1BP: (1) 28'x14' Leaching Facility - (2) 6'x6' Leach Pits, 14' O.C. with stone around Elevation (feet) Discarded (cfs) 42.00 0.00 42.04 0.08 42.08 0.08 42.12 0.08 42.16 0.08 42.20 0.08 42.24 0.08 42.28 0.08 42.32 0.08 42.36 0.08 42.40 0.08 42.44 0.08 42.48 0.08 42.52 0.08 42.56 0.08 42.60 0.08 42.64 0.09 42.68 0.09 42.72 0.09 42.76 0.09 42.80 0.09 42.84 0.09 42.88 0.09 42.92 0.09 42.96 0.09 43.00 0.09 43.04 0.09 43.08 0.09 43.12 0.09 43.16 0.09 43.20 0.09 43.24 0.09 43.28 0.10 43.32 0.10 43.36 0.10 43.40 0.10 43.44 0.10 43.48 0.10 43.52 0.10 43.56 0.10 43.60 0.10 43.64 0.10 43.68 0.10 43.72 0.10 43.76 0.10 43.80 0.10 43.84 0.10 43.88 0.11 43.92 0.11 43.96 0.11 44.00 0.11 44.04 0.11 Elevation (feet) Discarded (cfs) 44.08 0.11 44.12 0.11 44.16 0.11 44.20 0.11 44.24 0.11 44.28 0.11 44.32 0.11 44.36 0.11 44.40 0.11 44.44 0.11 44.48 0.11 44.52 0.12 44.56 0.12 44.60 0.12 44.64 0.12 44.68 0.12 44.72 0.12 44.76 0.12 44.80 0.12 44.84 0.12 44.88 0.12 44.92 0.12 44.96 0.12 45.00 0.12 45.04 0.12 45.08 0.12 45.12 0.13 45.16 0.13 45.20 0.13 45.24 0.13 45.28 0.13 45.32 0.13 45.36 0.13 45.40 0.13 45.44 0.13 45.48 0.13 45.52 0.13 45.56 0.13 45.60 0.13 45.64 0.13 45.68 0.13 45.72 0.13 45.76 0.14 45.80 0.14 45.84 0.14 45.88 0.14 45.92 0.14 45.96 0.14 46.00 0.14 46.04 0.14 46.08 0.14 46.12 0.14 Elevation (feet) Discarded (cfs) 46.16 0.14 46.20 0.14 46.24 0.14 46.28 0.14 46.32 0.14 46.36 0.15 46.40 0.15 46.44 0.15 46.48 0.15 46.52 0.15 46.56 0.15 46.60 0.15 46.64 0.15 46.68 0.15 46.72 0.15 46.76 0.15 46.80 0.15 46.84 0.15 46.88 0.15 46.92 0.15 46.96 0.15 47.00 0.16 47.04 0.16 47.08 0.16 47.12 0.16 47.16 0.16 47.20 0.16 47.24 0.16 47.28 0.16 47.32 0.16 47.36 0.16 47.40 0.16 47.44 0.16 47.48 0.16 47.52 0.16 47.56 0.16 47.60 0.17 47.64 0.17 47.68 0.17 47.72 0.17 47.76 0.17 47.80 0.17 47.84 0.17 47.88 0.17 47.92 0.17 47.96 0.17 48.00 0.17 Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. 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Page 121HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 1BP: (1) 28'x14' Leaching Facility - (2) 6'x6' Leach Pits, 14' O.C. with stone around Elevation (feet) Wetted (sq-ft) Storage (cubic-feet) 42.00 392 0 42.10 400 20 42.20 409 41 42.30 417 61 42.40 426 81 42.50 434 102 42.60 442 122 42.70 451 142 42.80 459 162 42.90 468 183 43.00 476 203 43.10 484 223 43.20 493 244 43.30 501 264 43.40 510 284 43.50 518 305 43.60 526 325 43.70 535 345 43.80 543 366 43.90 552 386 44.00 560 406 44.10 568 426 44.20 577 447 44.30 585 467 44.40 594 487 44.50 602 508 44.60 610 528 44.70 619 548 44.80 627 569 44.90 636 589 45.00 644 609 45.10 652 630 45.20 661 650 45.30 669 670 45.40 678 690 45.50 686 711 45.60 694 731 45.70 703 751 45.80 711 772 45.90 720 792 46.00 728 812 46.10 736 833 46.20 745 853 46.30 753 873 46.40 762 894 46.50 770 914 46.60 778 934 46.70 787 954 46.80 795 975 46.90 804 995 47.00 812 1,015 47.10 820 1,036 Elevation (feet) Wetted (sq-ft) Storage (cubic-feet) 47.20 829 1,056 47.30 837 1,076 47.40 846 1,097 47.50 854 1,117 47.60 862 1,137 47.70 871 1,158 47.80 879 1,178 47.90 888 1,198 48.00 896 1,219 Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 122HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Pond 2AP: Grassed Swale Leaching - M2 Inflow Area = 4.108 ac, 20.30% Impervious, Inflow Depth = 1.07" for 25-year event Inflow = 3.72 cfs @ 12.13 hrs, Volume= 0.365 af Outflow = 0.79 cfs @ 12.82 hrs, Volume= 0.345 af, Atten= 79%, Lag= 41.6 min Discarded = 0.21 cfs @ 12.82 hrs, Volume= 0.263 af Secondary = 0.58 cfs @ 12.82 hrs, Volume= 0.083 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Peak Elev= 34.58' @ 12.82 hrs Surf.Area= 3,620 sf Storage= 5,129 cf Plug-Flow detention time= 232.2 min calculated for 0.345 af (95% of inflow) Center-of-Mass det. time= 205.1 min ( 1,100.6 - 895.5 ) Volume Invert Avail.Storage Storage Description #1 33.00' 6,696 cf Grassed Swale (Irregular) Listed below (Recalc) Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area (feet) (sq-ft) (feet) (cubic-feet) (cubic-feet) (sq-ft) 33.00 2,890 222.0 0 0 2,890 35.00 3,828 247.0 6,696 6,696 3,934 Device Routing Invert Outlet Devices #1 Discarded 33.00'2.410 in/hr Exfiltration over Wetted area Phase-In= 0.01' #2 Secondary 34.50'24.0" x 24.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads Discarded OutFlow Max=0.21 cfs @ 12.82 hrs HW=34.58' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.21 cfs) Secondary OutFlow Max=0.58 cfs @ 12.82 hrs HW=34.58' TW=26.60' (Dynamic Tailwater) 2=Orifice/Grate (Weir Controls 0.58 cfs @ 0.92 fps) Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 123HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Pond 2AP: Grassed Swale Leaching - M2 Inflow Outflow Discarded Secondary Hydrograph Time (hours) 26242220181614121086420Flow (cfs)4 3 2 1 0 Inflow Area=4.108 ac Peak Elev=34.58' Storage=5,129 cf 3.72 cfs 0.79 cfs 0.21 cfs 0.58 cfs Pond 2AP: Grassed Swale Leaching - M2 Total Discarded Secondary Stage-Discharge Discharge (cfs) 9876543210Elevation (feet)35 34 33 Exfiltration Orifice/Grate Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 124HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Pond 2AP: Grassed Swale Leaching - M2 Surface Wetted Storage Stage-Area-Storage Storage (cubic-feet) 6,0005,0004,0003,0002,0001,0000 Surface/Horizontal/Wetted Area (sq-ft) 3,5003,0002,5002,0001,5001,0005000 Elevation (feet)35 34 33 Grassed Swale Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 125HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Pond 2AP: Grassed Swale Leaching - M2 Time (hours) Inflow (cfs) Storage (cubic-feet) Elevation (feet) Outflow (cfs) Discarded (cfs) Secondary (cfs) 0.00 0.00 0 33.00 0.00 0.00 0.00 0.60 0.00 0 33.00 0.00 0.00 0.00 1.20 0.00 0 33.00 0.00 0.00 0.00 1.80 0.00 0 33.00 0.00 0.00 0.00 2.40 0.00 0 33.00 0.00 0.00 0.00 3.00 0.00 0 33.00 0.00 0.00 0.00 3.60 0.00 0 33.00 0.00 0.00 0.00 4.20 0.00 0 33.00 0.00 0.00 0.00 4.80 0.00 0 33.00 0.00 0.00 0.00 5.40 0.00 0 33.00 0.00 0.00 0.00 6.00 0.00 0 33.00 0.00 0.00 0.00 6.60 0.00 0 33.00 0.00 0.00 0.00 7.20 0.00 0 33.00 0.00 0.00 0.00 7.80 0.00 0 33.00 0.00 0.00 0.00 8.40 0.00 0 33.00 0.00 0.00 0.00 9.00 0.00 0 33.00 0.00 0.00 0.00 9.60 0.00 0 33.00 0.00 0.00 0.00 10.20 0.00 0 33.00 0.00 0.00 0.00 10.80 0.00 0 33.00 0.00 0.00 0.00 11.40 0.00 0 33.00 0.00 0.00 0.00 12.00 1.27 330 33.11 0.16 0.16 0.00 12.60 1.05 4,963 34.53 0.36 0.21 0.16 13.20 0.60 5,074 34.56 0.63 0.21 0.42 13.80 0.50 5,033 34.55 0.52 0.21 0.32 14.40 0.43 4,997 34.54 0.44 0.21 0.23 15.00 0.37 4,974 34.54 0.39 0.21 0.18 15.60 0.32 4,946 34.53 0.33 0.21 0.13 16.20 0.26 4,912 34.52 0.27 0.20 0.07 16.80 0.23 4,890 34.51 0.24 0.20 0.04 17.40 0.20 4,866 34.51 0.22 0.20 0.01 18.00 0.18 4,827 34.50 0.20 0.20 0.00 18.60 0.16 4,748 34.47 0.20 0.20 0.00 19.20 0.15 4,653 34.45 0.20 0.20 0.00 19.80 0.15 4,542 34.42 0.20 0.20 0.00 20.40 0.14 4,415 34.38 0.20 0.20 0.00 21.00 0.13 4,276 34.34 0.20 0.20 0.00 21.60 0.13 4,126 34.30 0.20 0.20 0.00 22.20 0.12 3,964 34.25 0.20 0.20 0.00 22.80 0.11 3,790 34.20 0.20 0.20 0.00 23.40 0.11 3,605 34.15 0.19 0.19 0.00 24.00 0.10 3,408 34.09 0.19 0.19 0.00 24.60 0.00 3,035 33.98 0.19 0.19 0.00 25.20 0.00 2,631 33.85 0.19 0.19 0.00 25.80 0.00 2,234 33.73 0.18 0.18 0.00 26.40 0.00 1,845 33.61 0.18 0.18 0.00 27.00 0.00 1,464 33.49 0.17 0.17 0.00 27.60 0.00 1,090 33.37 0.17 0.17 0.00 Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 126HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Discharge for Pond 2AP: Grassed Swale Leaching - M2 Elevation (feet) Discharge (cfs) Discarded (cfs) Secondary (cfs) 33.00 0.00 0.00 0.00 33.02 0.16 0.16 0.00 33.04 0.16 0.16 0.00 33.06 0.16 0.16 0.00 33.08 0.16 0.16 0.00 33.10 0.16 0.16 0.00 33.12 0.16 0.16 0.00 33.14 0.17 0.17 0.00 33.16 0.17 0.17 0.00 33.18 0.17 0.17 0.00 33.20 0.17 0.17 0.00 33.22 0.17 0.17 0.00 33.24 0.17 0.17 0.00 33.26 0.17 0.17 0.00 33.28 0.17 0.17 0.00 33.30 0.17 0.17 0.00 33.32 0.17 0.17 0.00 33.34 0.17 0.17 0.00 33.36 0.17 0.17 0.00 33.38 0.17 0.17 0.00 33.40 0.17 0.17 0.00 33.42 0.17 0.17 0.00 33.44 0.17 0.17 0.00 33.46 0.17 0.17 0.00 33.48 0.17 0.17 0.00 33.50 0.18 0.18 0.00 33.52 0.18 0.18 0.00 33.54 0.18 0.18 0.00 33.56 0.18 0.18 0.00 33.58 0.18 0.18 0.00 33.60 0.18 0.18 0.00 33.62 0.18 0.18 0.00 33.64 0.18 0.18 0.00 33.66 0.18 0.18 0.00 33.68 0.18 0.18 0.00 33.70 0.18 0.18 0.00 33.72 0.18 0.18 0.00 33.74 0.18 0.18 0.00 33.76 0.18 0.18 0.00 33.78 0.18 0.18 0.00 33.80 0.18 0.18 0.00 33.82 0.18 0.18 0.00 33.84 0.18 0.18 0.00 33.86 0.19 0.19 0.00 33.88 0.19 0.19 0.00 33.90 0.19 0.19 0.00 33.92 0.19 0.19 0.00 33.94 0.19 0.19 0.00 33.96 0.19 0.19 0.00 33.98 0.19 0.19 0.00 34.00 0.19 0.19 0.00 34.02 0.19 0.19 0.00 Elevation (feet) Discharge (cfs) Discarded (cfs) Secondary (cfs) 34.04 0.19 0.19 0.00 34.06 0.19 0.19 0.00 34.08 0.19 0.19 0.00 34.10 0.19 0.19 0.00 34.12 0.19 0.19 0.00 34.14 0.19 0.19 0.00 34.16 0.19 0.19 0.00 34.18 0.19 0.19 0.00 34.20 0.20 0.20 0.00 34.22 0.20 0.20 0.00 34.24 0.20 0.20 0.00 34.26 0.20 0.20 0.00 34.28 0.20 0.20 0.00 34.30 0.20 0.20 0.00 34.32 0.20 0.20 0.00 34.34 0.20 0.20 0.00 34.36 0.20 0.20 0.00 34.38 0.20 0.20 0.00 34.40 0.20 0.20 0.00 34.42 0.20 0.20 0.00 34.44 0.20 0.20 0.00 34.46 0.20 0.20 0.00 34.48 0.20 0.20 0.00 34.50 0.20 0.20 0.00 34.52 0.28 0.20 0.07 34.54 0.41 0.21 0.21 34.56 0.59 0.21 0.38 34.58 0.80 0.21 0.59 34.60 1.03 0.21 0.83 34.62 1.30 0.21 1.09 34.64 1.58 0.21 1.37 34.66 1.88 0.21 1.67 34.68 2.21 0.21 2.00 34.70 2.55 0.21 2.34 34.72 2.91 0.21 2.70 34.74 3.29 0.21 3.08 34.76 3.68 0.21 3.47 34.78 4.09 0.21 3.88 34.80 4.51 0.21 4.30 34.82 4.95 0.21 4.74 34.84 5.40 0.21 5.19 34.86 5.87 0.22 5.65 34.88 6.34 0.22 6.13 34.90 6.83 0.22 6.62 34.92 7.34 0.22 7.12 34.94 7.85 0.22 7.64 34.96 8.38 0.22 8.16 34.98 8.92 0.22 8.70 35.00 9.47 0.22 9.25 Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. 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Page 127HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 2AP: Grassed Swale Leaching - M2 Elevation (feet) Surface (sq-ft) Wetted (sq-ft) Storage (cubic-feet) 33.00 2,890 2,890 0 33.02 2,899 2,900 58 33.04 2,907 2,910 116 33.06 2,916 2,920 174 33.08 2,925 2,930 233 33.10 2,934 2,940 291 33.12 2,943 2,950 350 33.14 2,951 2,959 409 33.16 2,960 2,969 468 33.18 2,969 2,979 527 33.20 2,978 2,989 587 33.22 2,987 2,999 646 33.24 2,996 3,009 706 33.26 3,004 3,019 766 33.28 3,013 3,029 826 33.30 3,022 3,040 887 33.32 3,031 3,050 947 33.34 3,040 3,060 1,008 33.36 3,049 3,070 1,069 33.38 3,058 3,080 1,130 33.40 3,067 3,090 1,191 33.42 3,076 3,100 1,253 33.44 3,085 3,110 1,314 33.46 3,094 3,120 1,376 33.48 3,103 3,130 1,438 33.50 3,112 3,141 1,500 33.52 3,121 3,151 1,563 33.54 3,130 3,161 1,625 33.56 3,139 3,171 1,688 33.58 3,148 3,181 1,751 33.60 3,158 3,192 1,814 33.62 3,167 3,202 1,877 33.64 3,176 3,212 1,940 33.66 3,185 3,222 2,004 33.68 3,194 3,233 2,068 33.70 3,203 3,243 2,132 33.72 3,213 3,253 2,196 33.74 3,222 3,263 2,260 33.76 3,231 3,274 2,325 33.78 3,240 3,284 2,389 33.80 3,249 3,294 2,454 33.82 3,259 3,305 2,519 33.84 3,268 3,315 2,585 33.86 3,277 3,325 2,650 33.88 3,287 3,336 2,716 33.90 3,296 3,346 2,782 33.92 3,305 3,357 2,848 33.94 3,314 3,367 2,914 33.96 3,324 3,377 2,980 33.98 3,333 3,388 3,047 34.00 3,343 3,398 3,114 34.02 3,352 3,409 3,180 Elevation (feet) Surface (sq-ft) Wetted (sq-ft) Storage (cubic-feet) 34.04 3,361 3,419 3,248 34.06 3,371 3,430 3,315 34.08 3,380 3,440 3,382 34.10 3,390 3,451 3,450 34.12 3,399 3,461 3,518 34.14 3,409 3,472 3,586 34.16 3,418 3,482 3,654 34.18 3,428 3,493 3,723 34.20 3,437 3,503 3,791 34.22 3,447 3,514 3,860 34.24 3,456 3,524 3,929 34.26 3,466 3,535 3,999 34.28 3,475 3,546 4,068 34.30 3,485 3,556 4,138 34.32 3,494 3,567 4,207 34.34 3,504 3,577 4,277 34.36 3,514 3,588 4,347 34.38 3,523 3,599 4,418 34.40 3,533 3,609 4,488 34.42 3,542 3,620 4,559 34.44 3,552 3,631 4,630 34.46 3,562 3,641 4,701 34.48 3,571 3,652 4,773 34.50 3,581 3,663 4,844 34.52 3,591 3,674 4,916 34.54 3,601 3,684 4,988 34.56 3,610 3,695 5,060 34.58 3,620 3,706 5,132 34.60 3,630 3,717 5,205 34.62 3,640 3,727 5,277 34.64 3,649 3,738 5,350 34.66 3,659 3,749 5,423 34.68 3,669 3,760 5,497 34.70 3,679 3,771 5,570 34.72 3,689 3,781 5,644 34.74 3,699 3,792 5,718 34.76 3,708 3,803 5,792 34.78 3,718 3,814 5,866 34.80 3,728 3,825 5,940 34.82 3,738 3,836 6,015 34.84 3,748 3,847 6,090 34.86 3,758 3,858 6,165 34.88 3,768 3,868 6,240 34.90 3,778 3,879 6,316 34.92 3,788 3,890 6,391 34.94 3,798 3,901 6,467 34.96 3,808 3,912 6,543 34.98 3,818 3,923 6,620 35.00 3,828 3,934 6,696 Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. 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Page 128HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Pond 2AR: (7) CB's in Pavement Inflow Area = 2.888 ac, 25.63% Impervious, Inflow Depth = 1.28" for 25-year event Inflow = 3.44 cfs @ 12.13 hrs, Volume= 0.308 af Outflow = 3.44 cfs @ 12.13 hrs, Volume= 0.308 af, Atten= 0%, Lag= 0.0 min Primary = 3.44 cfs @ 12.13 hrs, Volume= 0.308 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Peak Elev= 36.10' @ 12.13 hrs Flood Elev= 38.20' Device Routing Invert Outlet Devices #1 Primary 35.70'12.0" Round Culvert X 7.00 L= 50.0' CPP, projecting, no headwall, Ke= 0.900 Inlet / Outlet Invert= 35.70' / 35.00' S= 0.0140 '/' Cc= 0.900 n= 0.020 Corrugated PE, corrugated interior, Flow Area= 0.79 sf Primary OutFlow Max=3.42 cfs @ 12.13 hrs HW=36.10' TW=33.48' (Dynamic Tailwater) 1=Culvert (Inlet Controls 3.42 cfs @ 1.69 fps) Pond 2AR: (7) CB's in Pavement Inflow Primary Hydrograph Time (hours) 26242220181614121086420Flow (cfs)3 2 1 0 Inflow Area=2.888 ac Peak Elev=36.10' 12.0" Round Culvert x 7.00 n=0.020 L=50.0' S=0.0140 '/' 3.44 cfs 3.44 cfs Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 129HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Pond 2AR: (7) CB's in Pavement Primary Stage-Discharge Discharge (cfs) 26242220181614121086420Elevation (feet)38 37 36 Culvert Pond 2AR: (7) CB's in Pavement Storage Stage-Area-Storage Storage (cubic-feet) 0Elevation (feet)38 37 36 Flood Elevation Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 130HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Pond 2AR: (7) CB's in Pavement Time (hours) Inflow (cfs) Elevation (feet) Primary (cfs) 0.00 0.00 35.70 0.00 0.30 0.00 35.70 0.00 0.60 0.00 35.70 0.00 0.90 0.00 35.70 0.00 1.20 0.00 35.70 0.00 1.50 0.00 35.70 0.00 1.80 0.00 35.70 0.00 2.10 0.00 35.70 0.00 2.40 0.00 35.70 0.00 2.70 0.00 35.70 0.00 3.00 0.00 35.70 0.00 3.30 0.00 35.70 0.00 3.60 0.00 35.70 0.00 3.90 0.00 35.70 0.00 4.20 0.00 35.70 0.00 4.50 0.00 35.70 0.00 4.80 0.00 35.70 0.00 5.10 0.00 35.70 0.00 5.40 0.00 35.70 0.00 5.70 0.00 35.70 0.00 6.00 0.00 35.70 0.00 6.30 0.00 35.70 0.00 6.60 0.00 35.70 0.00 6.90 0.00 35.70 0.00 7.20 0.00 35.70 0.00 7.50 0.00 35.70 0.00 7.80 0.00 35.70 0.00 8.10 0.00 35.70 0.00 8.40 0.00 35.70 0.00 8.70 0.00 35.70 0.00 9.00 0.00 35.70 0.00 9.30 0.00 35.70 0.00 9.60 0.00 35.70 0.00 9.90 0.00 35.70 0.00 10.20 0.00 35.70 0.00 10.50 0.00 35.70 0.00 10.80 0.00 35.70 0.00 11.10 0.00 35.70 0.00 11.40 0.00 35.70 0.00 11.70 0.05 35.75 0.05 12.00 1.27 35.94 1.27 12.30 2.17 36.01 2.17 12.60 0.89 35.90 0.89 12.90 0.62 35.87 0.62 13.20 0.49 35.85 0.49 13.50 0.45 35.84 0.45 13.80 0.41 35.84 0.41 14.10 0.37 35.83 0.37 14.40 0.35 35.83 0.35 14.70 0.33 35.82 0.33 15.00 0.30 35.82 0.30 15.30 0.28 35.81 0.28 Time (hours) Inflow (cfs) Elevation (feet) Primary (cfs) 15.60 0.26 35.81 0.26 15.90 0.23 35.80 0.23 16.20 0.21 35.80 0.21 16.50 0.20 35.80 0.20 16.80 0.19 35.79 0.19 17.10 0.18 35.79 0.18 17.40 0.16 35.79 0.16 17.70 0.15 35.78 0.15 18.00 0.14 35.78 0.14 18.30 0.13 35.78 0.13 18.60 0.13 35.78 0.13 18.90 0.13 35.78 0.13 19.20 0.12 35.78 0.12 19.50 0.12 35.78 0.12 19.80 0.12 35.77 0.12 20.10 0.11 35.77 0.11 20.40 0.11 35.77 0.11 20.70 0.11 35.77 0.11 21.00 0.11 35.77 0.11 21.30 0.10 35.77 0.10 21.60 0.10 35.77 0.10 21.90 0.10 35.77 0.10 22.20 0.09 35.77 0.09 22.50 0.09 35.77 0.09 22.80 0.09 35.77 0.09 23.10 0.09 35.76 0.09 23.40 0.08 35.76 0.08 23.70 0.08 35.76 0.08 24.00 0.08 35.76 0.08 24.30 0.00 35.71 0.00 24.60 0.00 35.70 0.00 24.90 0.00 35.70 0.00 25.20 0.00 35.70 0.00 25.50 0.00 35.70 0.00 25.80 0.00 35.70 0.00 26.10 0.00 35.70 0.00 26.40 0.00 35.70 0.00 26.70 0.00 35.70 0.00 27.00 0.00 35.70 0.00 27.30 0.00 35.70 0.00 27.60 0.00 35.70 0.00 27.90 0.00 35.70 0.00 Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 131HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Discharge for Pond 2AR: (7) CB's in Pavement Elevation (feet) Primary (cfs) 35.70 0.00 35.71 0.00 35.72 0.01 35.73 0.02 35.74 0.03 35.75 0.05 35.76 0.07 35.77 0.10 35.78 0.13 35.79 0.17 35.80 0.22 35.81 0.26 35.82 0.32 35.83 0.37 35.84 0.44 35.85 0.50 35.86 0.57 35.87 0.65 35.88 0.73 35.89 0.81 35.90 0.90 35.91 1.00 35.92 1.10 35.93 1.20 35.94 1.30 35.95 1.41 35.96 1.53 35.97 1.65 35.98 1.77 35.99 1.89 36.00 2.02 36.01 2.16 36.02 2.29 36.03 2.43 36.04 2.58 36.05 2.72 36.06 2.87 36.07 3.02 36.08 3.18 36.09 3.33 36.10 3.49 36.11 3.65 36.12 3.82 36.13 3.98 36.14 4.15 36.15 4.33 36.16 4.50 36.17 4.68 36.18 4.86 36.19 5.04 36.20 5.22 36.21 5.41 Elevation (feet) Primary (cfs) 36.22 5.60 36.23 5.79 36.24 5.98 36.25 6.18 36.26 6.37 36.27 6.57 36.28 6.77 36.29 6.97 36.30 7.17 36.31 7.37 36.32 7.58 36.33 7.78 36.34 7.99 36.35 8.20 36.36 8.41 36.37 8.61 36.38 8.82 36.39 9.03 36.40 9.24 36.41 9.45 36.42 9.67 36.43 9.88 36.44 10.09 36.45 10.30 36.46 10.51 36.47 10.71 36.48 10.92 36.49 11.13 36.50 11.34 36.51 11.54 36.52 11.74 36.53 11.95 36.54 12.15 36.55 12.34 36.56 12.54 36.57 12.73 36.58 12.92 36.59 13.11 36.60 13.29 36.61 13.47 36.62 13.64 36.63 13.81 36.64 13.98 36.65 14.13 36.66 14.28 36.67 14.43 36.68 14.56 36.69 14.68 36.70 14.78 36.71 14.92 36.72 15.07 36.73 15.21 Elevation (feet) Primary (cfs) 36.74 15.36 36.75 15.50 36.76 15.64 36.77 15.78 36.78 15.92 36.79 16.05 36.80 16.19 36.81 16.32 36.82 16.46 36.83 16.59 36.84 16.72 36.85 16.85 36.86 16.98 36.87 17.11 36.88 17.23 36.89 17.36 36.90 17.49 36.91 17.61 36.92 17.73 36.93 17.86 36.94 17.98 36.95 18.10 36.96 18.22 36.97 18.34 36.98 18.46 36.99 18.58 37.00 18.69 37.01 18.81 37.02 18.92 37.03 19.04 37.04 18.99 37.05 19.08 37.06 19.17 37.07 19.26 37.08 19.35 37.09 19.44 37.10 19.53 37.11 19.62 37.12 19.70 37.13 19.79 37.14 19.88 37.15 19.97 37.16 20.05 37.17 20.14 37.18 20.22 37.19 20.31 37.20 20.39 37.21 20.48 37.22 20.56 37.23 20.65 37.24 20.73 37.25 20.82 Elevation (feet) Primary (cfs) 37.26 20.90 37.27 20.98 37.28 21.06 37.29 21.15 37.30 21.23 37.31 21.31 37.32 21.39 37.33 21.47 37.34 21.55 37.35 21.63 37.36 21.71 37.37 21.79 37.38 21.87 37.39 21.95 37.40 22.03 37.41 22.11 37.42 22.19 37.43 22.26 37.44 22.34 37.45 22.42 37.46 22.50 37.47 22.57 37.48 22.65 37.49 22.73 37.50 22.80 37.51 22.88 37.52 22.95 37.53 23.03 37.54 23.10 37.55 23.18 37.56 23.25 37.57 23.33 37.58 23.40 37.59 23.48 37.60 23.55 37.61 23.62 37.62 23.70 37.63 23.77 37.64 23.84 37.65 23.92 37.66 23.99 37.67 24.06 37.68 24.13 37.69 24.20 37.70 24.27 37.71 24.35 37.72 24.42 37.73 24.49 37.74 24.56 37.75 24.63 37.76 24.70 37.77 24.77 Elevation (feet) Primary (cfs) 37.78 24.84 37.79 24.91 37.80 24.98 37.81 25.05 37.82 25.12 37.83 25.19 37.84 25.25 37.85 25.32 37.86 25.39 37.87 25.46 37.88 25.53 37.89 25.60 37.90 25.66 37.91 25.73 37.92 25.80 37.93 25.86 37.94 25.93 37.95 26.00 37.96 26.06 37.97 26.13 37.98 26.20 37.99 26.26 38.00 26.33 38.01 26.40 38.02 26.46 38.03 26.53 38.04 26.59 38.05 26.66 38.06 26.72 38.07 26.79 38.08 26.85 38.09 26.92 38.10 26.98 38.11 27.04 38.12 27.11 38.13 27.17 38.14 27.24 38.15 27.30 38.16 27.36 38.17 27.43 38.18 27.49 38.19 27.55 38.20 27.61 Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 132HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 2AR: (7) CB's in Pavement Elevation (feet) Storage (cubic-feet) 35.70 0 35.72 0 35.74 0 35.76 0 35.78 0 35.80 0 35.82 0 35.84 0 35.86 0 35.88 0 35.90 0 35.92 0 35.94 0 35.96 0 35.98 0 36.00 0 36.02 0 36.04 0 36.06 0 36.08 0 36.10 0 36.12 0 36.14 0 36.16 0 36.18 0 36.20 0 36.22 0 36.24 0 36.26 0 36.28 0 36.30 0 36.32 0 36.34 0 36.36 0 36.38 0 36.40 0 36.42 0 36.44 0 36.46 0 36.48 0 36.50 0 36.52 0 36.54 0 36.56 0 36.58 0 36.60 0 36.62 0 36.64 0 36.66 0 36.68 0 36.70 0 36.72 0 Elevation (feet) Storage (cubic-feet) 36.74 0 36.76 0 36.78 0 36.80 0 36.82 0 36.84 0 36.86 0 36.88 0 36.90 0 36.92 0 36.94 0 36.96 0 36.98 0 37.00 0 37.02 0 37.04 0 37.06 0 37.08 0 37.10 0 37.12 0 37.14 0 37.16 0 37.18 0 37.20 0 37.22 0 37.24 0 37.26 0 37.28 0 37.30 0 37.32 0 37.34 0 37.36 0 37.38 0 37.40 0 37.42 0 37.44 0 37.46 0 37.48 0 37.50 0 37.52 0 37.54 0 37.56 0 37.58 0 37.60 0 37.62 0 37.64 0 37.66 0 37.68 0 37.70 0 37.72 0 37.74 0 37.76 0 Elevation (feet) Storage (cubic-feet) 37.78 0 37.80 0 37.82 0 37.84 0 37.86 0 37.88 0 37.90 0 37.92 0 37.94 0 37.96 0 37.98 0 38.00 0 38.02 0 38.04 0 38.06 0 38.08 0 38.10 0 38.12 0 38.14 0 38.16 0 38.18 0 38.20 0 Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 133HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Pond 2BP: (1) 70'x28' Leaching Facility - Two Rows of (5) 6'x6' Leach Pits, 14' O.C. with stone around Inflow = 0.58 cfs @ 12.82 hrs, Volume= 0.083 af Outflow = 0.39 cfs @ 13.35 hrs, Volume= 0.083 af, Atten= 34%, Lag= 31.9 min Discarded = 0.39 cfs @ 13.35 hrs, Volume= 0.083 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Peak Elev= 26.78' @ 13.35 hrs Surf.Area= 1,960 sf Storage= 284 cf Plug-Flow detention time= 5.5 min calculated for 0.083 af (100% of inflow) Center-of-Mass det. time= 5.5 min ( 846.2 - 840.7 ) Volume Invert Avail.Storage Storage Description #1 26.50' 4,396 cf 28.00'W x 70.00'L x 6.00'H Prismatoid 11,760 cf Overall - 1,991 cf Embedded = 9,769 cf x 45.0% Voids #2 26.50' 1,696 cf 6.00'D x 6.00'H Vertical Cone/Cylinder x 10 Inside #1 1,991 cf Overall - 3.0" Wall Thickness = 1,696 cf 6,093 cf Total Available Storage Device Routing Invert Outlet Devices #1 Discarded 26.50'8.270 in/hr Exfiltration over Wetted area Phase-In= 0.01' Discarded OutFlow Max=0.39 cfs @ 13.35 hrs HW=26.78' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.39 cfs) Pond 2BP: (1) 70'x28' Leaching Facility - Two Rows of (5) 6'x6' Leach Pits, 14' O.C. with stone around Inflow Discarded Hydrograph Time (hours) 26242220181614121086420Flow (cfs)0.65 0.6 0.55 0.5 0.45 0.4 0.35 0.3 0.25 0.2 0.15 0.1 0.05 0 Peak Elev=26.78' Storage=284 cf 0.58 cfs 0.39 cfs Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 134HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Pond 2BP: (1) 70'x28' Leaching Facility - Two Rows of (5) 6'x6' Leach Pits, 14' O.C. with stone around Discarded Stage-Discharge Discharge (cfs) 0.60.580.560.540.520.50.480.460.440.420.40.380.360.340.320.30.280.260.240.220.20.180.160.140.120.10.080.060.040.020Elevation (feet)32 31 30 29 28 27 Exfiltration Pond 2BP: (1) 70'x28' Leaching Facility - Two Rows of (5) 6'x6' Leach Pits, 14' O.C. with stone around Wetted Storage Stage-Area-Storage Storage (cubic-feet) 6,0005,0004,0003,0002,0001,0000 Surface/Horizontal/Wetted Area (sq-ft) 3,0002,8002,6002,4002,2002,0001,8001,6001,4001,2001,0008006004002000 Elevation (feet)32 31 30 29 28 27 Prismatoid + Vertical Cone/Cylinder Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 135HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Pond 2BP: (1) 70'x28' Leaching Facility - Two Rows of (5) 6'x6' Leach Pits, 14' O.C. with stone around Time (hours) Inflow (cfs) Storage (cubic-feet) Elevation (feet) Discarded (cfs) 0.00 0.00 0 26.50 0.00 0.30 0.00 0 26.50 0.00 0.60 0.00 0 26.50 0.00 0.90 0.00 0 26.50 0.00 1.20 0.00 0 26.50 0.00 1.50 0.00 0 26.50 0.00 1.80 0.00 0 26.50 0.00 2.10 0.00 0 26.50 0.00 2.40 0.00 0 26.50 0.00 2.70 0.00 0 26.50 0.00 3.00 0.00 0 26.50 0.00 3.30 0.00 0 26.50 0.00 3.60 0.00 0 26.50 0.00 3.90 0.00 0 26.50 0.00 4.20 0.00 0 26.50 0.00 4.50 0.00 0 26.50 0.00 4.80 0.00 0 26.50 0.00 5.10 0.00 0 26.50 0.00 5.40 0.00 0 26.50 0.00 5.70 0.00 0 26.50 0.00 6.00 0.00 0 26.50 0.00 6.30 0.00 0 26.50 0.00 6.60 0.00 0 26.50 0.00 6.90 0.00 0 26.50 0.00 7.20 0.00 0 26.50 0.00 7.50 0.00 0 26.50 0.00 7.80 0.00 0 26.50 0.00 8.10 0.00 0 26.50 0.00 8.40 0.00 0 26.50 0.00 8.70 0.00 0 26.50 0.00 9.00 0.00 0 26.50 0.00 9.30 0.00 0 26.50 0.00 9.60 0.00 0 26.50 0.00 9.90 0.00 0 26.50 0.00 10.20 0.00 0 26.50 0.00 10.50 0.00 0 26.50 0.00 10.80 0.00 0 26.50 0.00 11.10 0.00 0 26.50 0.00 11.40 0.00 0 26.50 0.00 11.70 0.00 0 26.50 0.00 12.00 0.00 0 26.50 0.00 12.30 0.00 0 26.50 0.00 12.60 0.16 3 26.50 0.12 12.90 0.57 156 26.65 0.38 13.20 0.42 275 26.77 0.39 13.50 0.36 278 26.77 0.39 13.80 0.32 228 26.72 0.38 14.10 0.27 129 26.63 0.38 14.40 0.23 6 26.51 0.22 14.70 0.21 6 26.51 0.21 15.00 0.18 5 26.50 0.18 15.30 0.15 4 26.50 0.15 Time (hours) Inflow (cfs) Storage (cubic-feet) Elevation (feet) Discarded (cfs) 15.60 0.13 3 26.50 0.13 15.90 0.10 3 26.50 0.10 16.20 0.07 2 26.50 0.07 16.50 0.05 1 26.50 0.05 16.80 0.04 1 26.50 0.04 17.10 0.02 1 26.50 0.02 17.40 0.01 0 26.50 0.01 17.70 0.00 0 26.50 0.00 18.00 0.00 0 26.50 0.00 18.30 0.00 0 26.50 0.00 18.60 0.00 0 26.50 0.00 18.90 0.00 0 26.50 0.00 19.20 0.00 0 26.50 0.00 19.50 0.00 0 26.50 0.00 19.80 0.00 0 26.50 0.00 20.10 0.00 0 26.50 0.00 20.40 0.00 0 26.50 0.00 20.70 0.00 0 26.50 0.00 21.00 0.00 0 26.50 0.00 21.30 0.00 0 26.50 0.00 21.60 0.00 0 26.50 0.00 21.90 0.00 0 26.50 0.00 22.20 0.00 0 26.50 0.00 22.50 0.00 0 26.50 0.00 22.80 0.00 0 26.50 0.00 23.10 0.00 0 26.50 0.00 23.40 0.00 0 26.50 0.00 23.70 0.00 0 26.50 0.00 24.00 0.00 0 26.50 0.00 24.30 0.00 0 26.50 0.00 24.60 0.00 0 26.50 0.00 24.90 0.00 0 26.50 0.00 25.20 0.00 0 26.50 0.00 25.50 0.00 0 26.50 0.00 25.80 0.00 0 26.50 0.00 26.10 0.00 0 26.50 0.00 26.40 0.00 0 26.50 0.00 26.70 0.00 0 26.50 0.00 27.00 0.00 0 26.50 0.00 27.30 0.00 0 26.50 0.00 27.60 0.00 0 26.50 0.00 27.90 0.00 0 26.50 0.00 Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 136HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Discharge for Pond 2BP: (1) 70'x28' Leaching Facility - Two Rows of (5) 6'x6' Leach Pits, 14' O.C. with stone around Elevation (feet) Discarded (cfs) 26.50 0.00 26.54 0.38 26.58 0.38 26.62 0.38 26.66 0.38 26.70 0.38 26.74 0.38 26.78 0.39 26.82 0.39 26.86 0.39 26.90 0.39 26.94 0.39 26.98 0.39 27.02 0.39 27.06 0.40 27.10 0.40 27.14 0.40 27.18 0.40 27.22 0.40 27.26 0.40 27.30 0.41 27.34 0.41 27.38 0.41 27.42 0.41 27.46 0.41 27.50 0.41 27.54 0.41 27.58 0.42 27.62 0.42 27.66 0.42 27.70 0.42 27.74 0.42 27.78 0.42 27.82 0.42 27.86 0.43 27.90 0.43 27.94 0.43 27.98 0.43 28.02 0.43 28.06 0.43 28.10 0.44 28.14 0.44 28.18 0.44 28.22 0.44 28.26 0.44 28.30 0.44 28.34 0.44 28.38 0.45 28.42 0.45 28.46 0.45 28.50 0.45 28.54 0.45 Elevation (feet) Discarded (cfs) 28.58 0.45 28.62 0.45 28.66 0.46 28.70 0.46 28.74 0.46 28.78 0.46 28.82 0.46 28.86 0.46 28.90 0.47 28.94 0.47 28.98 0.47 29.02 0.47 29.06 0.47 29.10 0.47 29.14 0.47 29.18 0.48 29.22 0.48 29.26 0.48 29.30 0.48 29.34 0.48 29.38 0.48 29.42 0.48 29.46 0.49 29.50 0.49 29.54 0.49 29.58 0.49 29.62 0.49 29.66 0.49 29.70 0.50 29.74 0.50 29.78 0.50 29.82 0.50 29.86 0.50 29.90 0.50 29.94 0.50 29.98 0.51 30.02 0.51 30.06 0.51 30.10 0.51 30.14 0.51 30.18 0.51 30.22 0.51 30.26 0.52 30.30 0.52 30.34 0.52 30.38 0.52 30.42 0.52 30.46 0.52 30.50 0.53 30.54 0.53 30.58 0.53 30.62 0.53 Elevation (feet) Discarded (cfs) 30.66 0.53 30.70 0.53 30.74 0.53 30.78 0.54 30.82 0.54 30.86 0.54 30.90 0.54 30.94 0.54 30.98 0.54 31.02 0.54 31.06 0.55 31.10 0.55 31.14 0.55 31.18 0.55 31.22 0.55 31.26 0.55 31.30 0.56 31.34 0.56 31.38 0.56 31.42 0.56 31.46 0.56 31.50 0.56 31.54 0.56 31.58 0.57 31.62 0.57 31.66 0.57 31.70 0.57 31.74 0.57 31.78 0.57 31.82 0.57 31.86 0.58 31.90 0.58 31.94 0.58 31.98 0.58 32.02 0.58 32.06 0.58 32.10 0.59 32.14 0.59 32.18 0.59 32.22 0.59 32.26 0.59 32.30 0.59 32.34 0.59 32.38 0.60 32.42 0.60 32.46 0.60 32.50 0.60 Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 137HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 2BP: (1) 70'x28' Leaching Facility - Two Rows of (5) 6'x6' Leach Pits, 14' O.C. with stone around Elevation (feet) Wetted (sq-ft) Storage (cubic-feet) 26.50 1,960 0 26.60 1,980 102 26.70 1,999 203 26.80 2,019 305 26.90 2,038 406 27.00 2,058 508 27.10 2,078 609 27.20 2,097 711 27.30 2,117 812 27.40 2,136 914 27.50 2,156 1,015 27.60 2,176 1,117 27.70 2,195 1,219 27.80 2,215 1,320 27.90 2,234 1,422 28.00 2,254 1,523 28.10 2,274 1,625 28.20 2,293 1,726 28.30 2,313 1,828 28.40 2,332 1,929 28.50 2,352 2,031 28.60 2,372 2,132 28.70 2,391 2,234 28.80 2,411 2,335 28.90 2,430 2,437 29.00 2,450 2,539 29.10 2,470 2,640 29.20 2,489 2,742 29.30 2,509 2,843 29.40 2,528 2,945 29.50 2,548 3,046 29.60 2,568 3,148 29.70 2,587 3,249 29.80 2,607 3,351 29.90 2,626 3,452 30.00 2,646 3,554 30.10 2,666 3,656 30.20 2,685 3,757 30.30 2,705 3,859 30.40 2,724 3,960 30.50 2,744 4,062 30.60 2,764 4,163 30.70 2,783 4,265 30.80 2,803 4,366 30.90 2,822 4,468 31.00 2,842 4,569 31.10 2,862 4,671 31.20 2,881 4,772 31.30 2,901 4,874 31.40 2,920 4,976 31.50 2,940 5,077 31.60 2,960 5,179 Elevation (feet) Wetted (sq-ft) Storage (cubic-feet) 31.70 2,979 5,280 31.80 2,999 5,382 31.90 3,018 5,483 32.00 3,038 5,585 32.10 3,058 5,686 32.20 3,077 5,788 32.30 3,097 5,889 32.40 3,116 5,991 32.50 3,136 6,093 Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 138HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Pond 3P: (2) 15.5' x 4.33' x 2.5' Leaching Facilities (per Dwelling) - Each with (2) Cultec Recharger 330XLHD Units (Stoneless) Inflow Area = 0.030 ac,100.00% Impervious, Inflow Depth = 5.60" for 25-year event Inflow = 0.17 cfs @ 12.08 hrs, Volume= 0.014 af Outflow = 0.03 cfs @ 12.52 hrs, Volume= 0.014 af, Atten= 81%, Lag= 26.1 min Discarded = 0.03 cfs @ 12.52 hrs, Volume= 0.014 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Peak Elev= 51.33' @ 12.52 hrs Surf.Area= 103 sf Storage= 154 cf Plug-Flow detention time= 27.9 min calculated for 0.014 af (100% of inflow) Center-of-Mass det. time= 27.9 min ( 773.4 - 745.6 ) Volume Invert Avail.Storage Storage Description #1 50.00' 231 cf Cultec R-330XLHD x 4 Effective Size= 47.8"W x 30.0"H => 7.45 sf x 7.00'L = 52.2 cf Overall Size= 52.0"W x 30.5"H x 8.50'L with 1.50' Overlap Row Length Adjustment= +1.50' x 7.45 sf x 2 rows Device Routing Invert Outlet Devices #1 Discarded 50.00'8.270 in/hr Exfiltration over Wetted area Phase-In= 0.01' Discarded OutFlow Max=0.03 cfs @ 12.52 hrs HW=51.33' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.03 cfs) Pond 3P: (2) 15.5' x 4.33' x 2.5' Leaching Facilities (per Dwelling) - Each with (2) Cultec Recharger 330XLHD Units (Stoneless) Inflow Discarded Hydrograph Time (hours) 26242220181614121086420Flow (cfs)0.18 0.17 0.16 0.15 0.14 0.13 0.12 0.11 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0 Inflow Area=0.030 ac Peak Elev=51.33' Storage=154 cf 0.17 cfs 0.03 cfs Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 139HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Pond 3P: (2) 15.5' x 4.33' x 2.5' Leaching Facilities (per Dwelling) - Each with (2) Cultec Recharger 330XLHD Units (Stoneless) Discarded Stage-Discharge Discharge (cfs) 0.040.0350.030.0250.020.0150.010.0050Elevation (feet)52 51 50 Exfiltration Pond 3P: (2) 15.5' x 4.33' x 2.5' Leaching Facilities (per Dwelling) - Each with (2) Cultec Recharger 330XLHD Units (Stoneless) Wetted Storage Stage-Area-Storage Storage (cubic-feet) 220200180160140120100806040200 Surface/Horizontal/Wetted Area (sq-ft) 220200180160140120100806040200 Elevation (feet)52 51 50 Cultec R-330XLHD Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 140HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Pond 3P: (2) 15.5' x 4.33' x 2.5' Leaching Facilities (per Dwelling) - Each with (2) Cultec Recharger 330XLHD Units (Stoneless) Time (hours) Inflow (cfs) Storage (cubic-feet) Elevation (feet) Discarded (cfs) 0.00 0.00 0 50.00 0.00 0.30 0.00 0 50.00 0.00 0.60 0.00 0 50.00 0.00 0.90 0.00 0 50.00 0.00 1.20 0.00 0 50.00 0.00 1.50 0.00 0 50.00 0.00 1.80 0.00 0 50.00 0.00 2.10 0.00 0 50.00 0.00 2.40 0.00 0 50.00 0.00 2.70 0.00 0 50.00 0.00 3.00 0.00 0 50.00 0.00 3.30 0.00 0 50.00 0.00 3.60 0.00 0 50.00 0.00 3.90 0.00 0 50.00 0.00 4.20 0.00 0 50.00 0.00 4.50 0.00 0 50.00 0.00 4.80 0.00 0 50.00 0.00 5.10 0.00 0 50.00 0.00 5.40 0.00 0 50.00 0.00 5.70 0.00 0 50.00 0.00 6.00 0.00 0 50.00 0.00 6.30 0.00 0 50.00 0.00 6.60 0.00 0 50.00 0.00 6.90 0.00 0 50.00 0.00 7.20 0.00 0 50.00 0.00 7.50 0.00 0 50.00 0.00 7.80 0.00 0 50.00 0.00 8.10 0.00 0 50.00 0.00 8.40 0.00 0 50.00 0.00 8.70 0.01 0 50.00 0.01 9.00 0.01 0 50.00 0.01 9.30 0.01 0 50.00 0.01 9.60 0.01 0 50.00 0.01 9.90 0.01 0 50.00 0.01 10.20 0.01 0 50.00 0.01 10.50 0.01 1 50.00 0.01 10.80 0.01 1 50.00 0.01 11.10 0.01 1 50.01 0.01 11.40 0.02 1 50.01 0.02 11.70 0.04 3 50.03 0.02 12.00 0.11 44 50.36 0.03 12.30 0.07 140 51.20 0.03 12.60 0.02 152 51.31 0.03 12.90 0.02 138 51.18 0.03 13.20 0.01 120 51.02 0.03 13.50 0.01 101 50.85 0.03 13.80 0.01 82 50.68 0.03 14.10 0.01 62 50.51 0.03 14.40 0.01 42 50.35 0.03 14.70 0.01 23 50.19 0.02 15.00 0.01 5 50.04 0.02 15.30 0.01 0 50.00 0.01 Time (hours) Inflow (cfs) Storage (cubic-feet) Elevation (feet) Discarded (cfs) 15.60 0.01 0 50.00 0.01 15.90 0.00 0 50.00 0.00 16.20 0.00 0 50.00 0.00 16.50 0.00 0 50.00 0.00 16.80 0.00 0 50.00 0.00 17.10 0.00 0 50.00 0.00 17.40 0.00 0 50.00 0.00 17.70 0.00 0 50.00 0.00 18.00 0.00 0 50.00 0.00 18.30 0.00 0 50.00 0.00 18.60 0.00 0 50.00 0.00 18.90 0.00 0 50.00 0.00 19.20 0.00 0 50.00 0.00 19.50 0.00 0 50.00 0.00 19.80 0.00 0 50.00 0.00 20.10 0.00 0 50.00 0.00 20.40 0.00 0 50.00 0.00 20.70 0.00 0 50.00 0.00 21.00 0.00 0 50.00 0.00 21.30 0.00 0 50.00 0.00 21.60 0.00 0 50.00 0.00 21.90 0.00 0 50.00 0.00 22.20 0.00 0 50.00 0.00 22.50 0.00 0 50.00 0.00 22.80 0.00 0 50.00 0.00 23.10 0.00 0 50.00 0.00 23.40 0.00 0 50.00 0.00 23.70 0.00 0 50.00 0.00 24.00 0.00 0 50.00 0.00 24.30 0.00 0 50.00 0.00 24.60 0.00 0 50.00 0.00 24.90 0.00 0 50.00 0.00 25.20 0.00 0 50.00 0.00 25.50 0.00 0 50.00 0.00 25.80 0.00 0 50.00 0.00 26.10 0.00 0 50.00 0.00 26.40 0.00 0 50.00 0.00 26.70 0.00 0 50.00 0.00 27.00 0.00 0 50.00 0.00 27.30 0.00 0 50.00 0.00 27.60 0.00 0 50.00 0.00 27.90 0.00 0 50.00 0.00 Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 141HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Discharge for Pond 3P: (2) 15.5' x 4.33' x 2.5' Leaching Facilities (per Dwelling) - Each with (2) Cultec Recharger 330XLHD Units (Stoneless) Elevation (feet) Discarded (cfs) 50.00 0.00 50.01 0.02 50.02 0.02 50.03 0.02 50.04 0.02 50.05 0.02 50.06 0.02 50.07 0.02 50.08 0.02 50.09 0.02 50.10 0.02 50.11 0.02 50.12 0.02 50.13 0.02 50.14 0.02 50.15 0.02 50.16 0.02 50.17 0.02 50.18 0.02 50.19 0.02 50.20 0.02 50.21 0.02 50.22 0.02 50.23 0.03 50.24 0.03 50.25 0.03 50.26 0.03 50.27 0.03 50.28 0.03 50.29 0.03 50.30 0.03 50.31 0.03 50.32 0.03 50.33 0.03 50.34 0.03 50.35 0.03 50.36 0.03 50.37 0.03 50.38 0.03 50.39 0.03 50.40 0.03 50.41 0.03 50.42 0.03 50.43 0.03 50.44 0.03 50.45 0.03 50.46 0.03 50.47 0.03 50.48 0.03 50.49 0.03 50.50 0.03 50.51 0.03 Elevation (feet) Discarded (cfs) 50.52 0.03 50.53 0.03 50.54 0.03 50.55 0.03 50.56 0.03 50.57 0.03 50.58 0.03 50.59 0.03 50.60 0.03 50.61 0.03 50.62 0.03 50.63 0.03 50.64 0.03 50.65 0.03 50.66 0.03 50.67 0.03 50.68 0.03 50.69 0.03 50.70 0.03 50.71 0.03 50.72 0.03 50.73 0.03 50.74 0.03 50.75 0.03 50.76 0.03 50.77 0.03 50.78 0.03 50.79 0.03 50.80 0.03 50.81 0.03 50.82 0.03 50.83 0.03 50.84 0.03 50.85 0.03 50.86 0.03 50.87 0.03 50.88 0.03 50.89 0.03 50.90 0.03 50.91 0.03 50.92 0.03 50.93 0.03 50.94 0.03 50.95 0.03 50.96 0.03 50.97 0.03 50.98 0.03 50.99 0.03 51.00 0.03 51.01 0.03 51.02 0.03 51.03 0.03 Elevation (feet) Discarded (cfs) 51.04 0.03 51.05 0.03 51.06 0.03 51.07 0.03 51.08 0.03 51.09 0.03 51.10 0.03 51.11 0.03 51.12 0.03 51.13 0.03 51.14 0.03 51.15 0.03 51.16 0.03 51.17 0.03 51.18 0.03 51.19 0.03 51.20 0.03 51.21 0.03 51.22 0.03 51.23 0.03 51.24 0.03 51.25 0.03 51.26 0.03 51.27 0.03 51.28 0.03 51.29 0.03 51.30 0.03 51.31 0.03 51.32 0.03 51.33 0.03 51.34 0.03 51.35 0.03 51.36 0.03 51.37 0.03 51.38 0.03 51.39 0.03 51.40 0.03 51.41 0.03 51.42 0.03 51.43 0.03 51.44 0.03 51.45 0.03 51.46 0.03 51.47 0.03 51.48 0.03 51.49 0.03 51.50 0.03 51.51 0.03 51.52 0.03 51.53 0.03 51.54 0.03 51.55 0.03 Elevation (feet) Discarded (cfs) 51.56 0.03 51.57 0.03 51.58 0.03 51.59 0.03 51.60 0.03 51.61 0.03 51.62 0.03 51.63 0.03 51.64 0.03 51.65 0.03 51.66 0.03 51.67 0.03 51.68 0.03 51.69 0.03 51.70 0.03 51.71 0.03 51.72 0.03 51.73 0.03 51.74 0.03 51.75 0.03 51.76 0.04 51.77 0.04 51.78 0.04 51.79 0.04 51.80 0.04 51.81 0.04 51.82 0.04 51.83 0.04 51.84 0.04 51.85 0.04 51.86 0.04 51.87 0.04 51.88 0.04 51.89 0.04 51.90 0.04 51.91 0.04 51.92 0.04 51.93 0.04 51.94 0.04 51.95 0.04 51.96 0.04 51.97 0.04 51.98 0.04 51.99 0.04 52.00 0.04 52.01 0.04 52.02 0.04 52.03 0.04 52.04 0.04 52.05 0.04 52.06 0.04 52.07 0.04 Elevation (feet) Discarded (cfs) 52.08 0.04 52.09 0.04 52.10 0.04 52.11 0.04 52.12 0.04 52.13 0.04 52.14 0.04 52.15 0.04 52.16 0.04 52.17 0.04 52.18 0.04 52.19 0.04 52.20 0.04 52.21 0.04 52.22 0.04 52.23 0.04 52.24 0.04 52.25 0.04 52.26 0.04 52.27 0.04 52.28 0.04 52.29 0.04 52.30 0.04 52.31 0.04 52.32 0.04 52.33 0.04 52.34 0.04 52.35 0.04 52.36 0.04 52.37 0.04 52.38 0.04 52.39 0.04 52.40 0.04 52.41 0.04 52.42 0.04 52.43 0.04 52.44 0.04 52.45 0.04 52.46 0.04 52.47 0.04 52.48 0.04 52.49 0.04 52.50 0.04 Type III 24-hr 25-year Rainfall=5.84"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 142HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 3P: (2) 15.5' x 4.33' x 2.5' Leaching Facilities (per Dwelling) - Each with (2) Cultec Recharger 330XLHD Units (Stoneless) Elevation (feet) Wetted (sq-ft) Storage (cubic-feet) 50.00 124 0 50.05 125 6 50.10 127 12 50.15 128 18 50.20 130 24 50.25 131 30 50.30 133 37 50.35 134 43 50.40 136 49 50.45 138 55 50.50 139 61 50.55 141 66 50.60 142 72 50.65 144 78 50.70 146 84 50.75 148 90 50.80 149 95 50.85 151 101 50.90 152 107 50.95 154 112 51.00 155 118 51.05 157 123 51.10 158 129 51.15 160 134 51.20 162 140 51.25 163 145 51.30 165 151 51.35 167 156 51.40 169 161 51.45 171 166 51.50 173 171 51.55 175 175 51.60 177 180 51.65 179 185 51.70 181 189 51.75 183 193 51.80 185 197 51.85 187 201 51.90 189 205 51.95 192 209 52.00 194 212 52.05 197 216 52.10 200 219 52.15 203 222 52.20 207 224 52.25 211 226 52.30 215 228 52.35 219 229 52.40 223 230 52.45 227 231 52.50 232 231 Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 143HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Subcatchment 1AS: Runoff into Catch Basins - M1 Runoff = 1.33 cfs @ 12.10 hrs, Volume= 0.102 af, Depth= 2.23" Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Type III 24-hr 100-year Rainfall=7.31" Area (sf) CN Description 6,290 98 Paved parking, HSG A 15,140 39 >75% Grass cover, Good, HSG A 2,500 36 Woods, Fair, HSG A 23,930 54 Weighted Average 17,640 73.72% Pervious Area 6,290 26.28% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.2 50 0.0600 0.16 Sheet Flow, Grass: Dense n= 0.240 P2= 3.36" 0.5 50 0.0600 1.71 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 0.3 60 0.0300 3.52 Shallow Concentrated Flow, Paved Kv= 20.3 fps 6.0 160 Total Subcatchment 1AS: Runoff into Catch Basins - M1 Runoff Hydrograph Time (hours) 26242220181614121086420Flow (cfs)1 0 Type III 24-hr 100-year Rainfall=7.31" Runoff Area=23,930 sf Runoff Volume=0.102 af Runoff Depth=2.23" Flow Length=160' Tc=6.0 min CN=54 1.33 cfs Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 144HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Subcatchment 1AS: Runoff into Catch Basins - M1 Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 0.00 0.00 0.00 0.00 0.30 0.02 0.00 0.00 0.60 0.04 0.00 0.00 0.90 0.07 0.00 0.00 1.20 0.09 0.00 0.00 1.50 0.11 0.00 0.00 1.80 0.13 0.00 0.00 2.10 0.15 0.00 0.00 2.40 0.18 0.00 0.00 2.70 0.20 0.00 0.00 3.00 0.22 0.00 0.00 3.30 0.25 0.00 0.00 3.60 0.28 0.00 0.00 3.90 0.30 0.00 0.00 4.20 0.33 0.00 0.00 4.50 0.36 0.00 0.00 4.80 0.39 0.00 0.00 5.10 0.43 0.00 0.00 5.40 0.46 0.00 0.00 5.70 0.49 0.00 0.00 6.00 0.53 0.00 0.00 6.30 0.56 0.00 0.00 6.60 0.60 0.00 0.00 6.90 0.65 0.00 0.00 7.20 0.69 0.00 0.00 7.50 0.74 0.00 0.00 7.80 0.80 0.00 0.00 8.10 0.85 0.00 0.00 8.40 0.92 0.00 0.00 8.70 0.99 0.00 0.00 9.00 1.07 0.00 0.00 9.30 1.15 0.00 0.00 9.60 1.25 0.00 0.00 9.90 1.35 0.00 0.00 10.20 1.46 0.00 0.00 10.50 1.58 0.00 0.00 10.80 1.72 0.00 0.00 11.10 1.88 0.00 0.01 11.40 2.09 0.02 0.03 11.70 2.48 0.06 0.11 12.00 3.65 0.36 0.67 12.30 4.83 0.84 0.68 12.60 5.22 1.03 0.26 12.90 5.43 1.13 0.19 13.20 5.59 1.22 0.15 13.50 5.73 1.29 0.14 13.80 5.85 1.36 0.12 14.10 5.96 1.42 0.11 14.40 6.06 1.48 0.10 14.70 6.16 1.53 0.10 15.00 6.24 1.58 0.09 15.30 6.32 1.62 0.08 Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 15.60 6.39 1.67 0.07 15.90 6.46 1.70 0.07 16.20 6.51 1.74 0.06 16.50 6.57 1.77 0.06 16.80 6.62 1.80 0.05 17.10 6.66 1.83 0.05 17.40 6.71 1.85 0.05 17.70 6.75 1.88 0.04 18.00 6.78 1.90 0.04 18.30 6.82 1.92 0.04 18.60 6.85 1.94 0.04 18.90 6.88 1.96 0.04 19.20 6.92 1.98 0.04 19.50 6.95 2.00 0.03 19.80 6.98 2.02 0.03 20.10 7.01 2.03 0.03 20.40 7.03 2.05 0.03 20.70 7.06 2.07 0.03 21.00 7.09 2.08 0.03 21.30 7.11 2.10 0.03 21.60 7.14 2.12 0.03 21.90 7.16 2.13 0.03 22.20 7.18 2.15 0.03 22.50 7.21 2.16 0.03 22.80 7.23 2.17 0.03 23.10 7.25 2.19 0.02 23.40 7.27 2.20 0.02 23.70 7.29 2.21 0.02 24.00 7.31 2.23 0.02 24.30 7.31 2.23 0.00 24.60 7.31 2.23 0.00 24.90 7.31 2.23 0.00 25.20 7.31 2.23 0.00 25.50 7.31 2.23 0.00 25.80 7.31 2.23 0.00 26.10 7.31 2.23 0.00 26.40 7.31 2.23 0.00 26.70 7.31 2.23 0.00 27.00 7.31 2.23 0.00 27.30 7.31 2.23 0.00 27.60 7.31 2.23 0.00 27.90 7.31 2.23 0.00 Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 145HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Subcatchment 1BS: Direct Runoff into Swale - M1 Runoff = 0.10 cfs @ 12.13 hrs, Volume= 0.013 af, Depth= 0.88" Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Type III 24-hr 100-year Rainfall=7.31" Area (sf) CN Description 7,973 39 >75% Grass cover, Good, HSG A 7,973 100.00% Pervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.0 Direct Entry, (minimum) 5.0 0 Total, Increased to minimum Tc = 6.0 min Subcatchment 1BS: Direct Runoff into Swale - M1 Runoff Hydrograph Time (hours) 26242220181614121086420Flow (cfs)0.11 0.105 0.1 0.095 0.09 0.085 0.08 0.075 0.07 0.065 0.06 0.055 0.05 0.045 0.04 0.035 0.03 0.025 0.02 0.015 0.01 0.005 0 Type III 24-hr 100-year Rainfall=7.31" Runoff Area=7,973 sf Runoff Volume=0.013 af Runoff Depth=0.88" Tc=6.0 min CN=39 0.10 cfs Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 146HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Subcatchment 1BS: Direct Runoff into Swale - M1 Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 0.00 0.00 0.00 0.00 0.30 0.02 0.00 0.00 0.60 0.04 0.00 0.00 0.90 0.07 0.00 0.00 1.20 0.09 0.00 0.00 1.50 0.11 0.00 0.00 1.80 0.13 0.00 0.00 2.10 0.15 0.00 0.00 2.40 0.18 0.00 0.00 2.70 0.20 0.00 0.00 3.00 0.22 0.00 0.00 3.30 0.25 0.00 0.00 3.60 0.28 0.00 0.00 3.90 0.30 0.00 0.00 4.20 0.33 0.00 0.00 4.50 0.36 0.00 0.00 4.80 0.39 0.00 0.00 5.10 0.43 0.00 0.00 5.40 0.46 0.00 0.00 5.70 0.49 0.00 0.00 6.00 0.53 0.00 0.00 6.30 0.56 0.00 0.00 6.60 0.60 0.00 0.00 6.90 0.65 0.00 0.00 7.20 0.69 0.00 0.00 7.50 0.74 0.00 0.00 7.80 0.80 0.00 0.00 8.10 0.85 0.00 0.00 8.40 0.92 0.00 0.00 8.70 0.99 0.00 0.00 9.00 1.07 0.00 0.00 9.30 1.15 0.00 0.00 9.60 1.25 0.00 0.00 9.90 1.35 0.00 0.00 10.20 1.46 0.00 0.00 10.50 1.58 0.00 0.00 10.80 1.72 0.00 0.00 11.10 1.88 0.00 0.00 11.40 2.09 0.00 0.00 11.70 2.48 0.00 0.00 12.00 3.65 0.02 0.01 12.30 4.83 0.17 0.08 12.60 5.22 0.25 0.04 12.90 5.43 0.29 0.03 13.20 5.59 0.33 0.02 13.50 5.73 0.37 0.02 13.80 5.85 0.40 0.02 14.10 5.96 0.44 0.02 14.40 6.06 0.46 0.02 14.70 6.16 0.49 0.02 15.00 6.24 0.52 0.02 15.30 6.32 0.54 0.01 Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 15.60 6.39 0.56 0.01 15.90 6.46 0.58 0.01 16.20 6.51 0.60 0.01 16.50 6.57 0.62 0.01 16.80 6.62 0.64 0.01 17.10 6.66 0.65 0.01 17.40 6.71 0.67 0.01 17.70 6.75 0.68 0.01 18.00 6.78 0.69 0.01 18.30 6.82 0.70 0.01 18.60 6.85 0.72 0.01 18.90 6.88 0.73 0.01 19.20 6.92 0.74 0.01 19.50 6.95 0.75 0.01 19.80 6.98 0.76 0.01 20.10 7.01 0.77 0.01 20.40 7.03 0.78 0.01 20.70 7.06 0.79 0.01 21.00 7.09 0.80 0.01 21.30 7.11 0.81 0.01 21.60 7.14 0.82 0.01 21.90 7.16 0.83 0.01 22.20 7.18 0.84 0.01 22.50 7.21 0.84 0.01 22.80 7.23 0.85 0.00 23.10 7.25 0.86 0.00 23.40 7.27 0.87 0.00 23.70 7.29 0.88 0.00 24.00 7.31 0.88 0.00 24.30 7.31 0.88 0.00 24.60 7.31 0.88 0.00 24.90 7.31 0.88 0.00 25.20 7.31 0.88 0.00 25.50 7.31 0.88 0.00 25.80 7.31 0.88 0.00 26.10 7.31 0.88 0.00 26.40 7.31 0.88 0.00 26.70 7.31 0.88 0.00 27.00 7.31 0.88 0.00 27.30 7.31 0.88 0.00 27.60 7.31 0.88 0.00 27.90 7.31 0.88 0.00 Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 147HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Subcatchment 2AS: Runoff into Catch Basins - M2 Runoff = 6.30 cfs @ 12.12 hrs, Volume= 0.512 af, Depth= 2.13" Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Type III 24-hr 100-year Rainfall=7.31" Area (sf) CN Description 32,244 98 Paved parking, HSG A 51,318 39 >75% Grass cover, Good, HSG A 42,245 36 Woods, Fair, HSG A 125,807 53 Weighted Average 93,563 74.37% Pervious Area 32,244 25.63% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 5.5 50 0.0500 0.15 Sheet Flow, Grass: Dense n= 0.240 P2= 3.36" 1.5 90 0.0200 0.99 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 0.4 130 0.0600 4.97 Shallow Concentrated Flow, Paved Kv= 20.3 fps 7.4 270 Total Subcatchment 2AS: Runoff into Catch Basins - M2 Runoff Hydrograph Time (hours) 26242220181614121086420Flow (cfs)7 6 5 4 3 2 1 0 Type III 24-hr 100-year Rainfall=7.31" Runoff Area=125,807 sf Runoff Volume=0.512 af Runoff Depth=2.13" Flow Length=270' Tc=7.4 min CN=53 6.30 cfs Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 148HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Subcatchment 2AS: Runoff into Catch Basins - M2 Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 0.00 0.00 0.00 0.00 0.30 0.02 0.00 0.00 0.60 0.04 0.00 0.00 0.90 0.07 0.00 0.00 1.20 0.09 0.00 0.00 1.50 0.11 0.00 0.00 1.80 0.13 0.00 0.00 2.10 0.15 0.00 0.00 2.40 0.18 0.00 0.00 2.70 0.20 0.00 0.00 3.00 0.22 0.00 0.00 3.30 0.25 0.00 0.00 3.60 0.28 0.00 0.00 3.90 0.30 0.00 0.00 4.20 0.33 0.00 0.00 4.50 0.36 0.00 0.00 4.80 0.39 0.00 0.00 5.10 0.43 0.00 0.00 5.40 0.46 0.00 0.00 5.70 0.49 0.00 0.00 6.00 0.53 0.00 0.00 6.30 0.56 0.00 0.00 6.60 0.60 0.00 0.00 6.90 0.65 0.00 0.00 7.20 0.69 0.00 0.00 7.50 0.74 0.00 0.00 7.80 0.80 0.00 0.00 8.10 0.85 0.00 0.00 8.40 0.92 0.00 0.00 8.70 0.99 0.00 0.00 9.00 1.07 0.00 0.00 9.30 1.15 0.00 0.00 9.60 1.25 0.00 0.00 9.90 1.35 0.00 0.00 10.20 1.46 0.00 0.00 10.50 1.58 0.00 0.00 10.80 1.72 0.00 0.00 11.10 1.88 0.00 0.02 11.40 2.09 0.01 0.11 11.70 2.48 0.05 0.46 12.00 3.65 0.33 2.77 12.30 4.83 0.78 3.63 12.60 5.22 0.96 1.42 12.90 5.43 1.07 0.97 13.20 5.59 1.15 0.77 13.50 5.73 1.22 0.70 13.80 5.85 1.29 0.63 14.10 5.96 1.34 0.56 14.40 6.06 1.40 0.53 14.70 6.16 1.45 0.49 15.00 6.24 1.50 0.46 15.30 6.32 1.54 0.42 Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 15.60 6.39 1.58 0.38 15.90 6.46 1.62 0.35 16.20 6.51 1.65 0.31 16.50 6.57 1.68 0.30 16.80 6.62 1.71 0.28 17.10 6.66 1.74 0.26 17.40 6.71 1.76 0.24 17.70 6.75 1.79 0.23 18.00 6.78 1.81 0.21 18.30 6.82 1.83 0.20 18.60 6.85 1.85 0.19 18.90 6.88 1.87 0.19 19.20 6.92 1.89 0.18 19.50 6.95 1.91 0.18 19.80 6.98 1.92 0.17 20.10 7.01 1.94 0.17 20.40 7.03 1.96 0.16 20.70 7.06 1.97 0.16 21.00 7.09 1.99 0.16 21.30 7.11 2.01 0.15 21.60 7.14 2.02 0.15 21.90 7.16 2.04 0.14 22.20 7.18 2.05 0.14 22.50 7.21 2.06 0.14 22.80 7.23 2.08 0.13 23.10 7.25 2.09 0.13 23.40 7.27 2.10 0.12 23.70 7.29 2.12 0.12 24.00 7.31 2.13 0.11 24.30 7.31 2.13 0.00 24.60 7.31 2.13 0.00 24.90 7.31 2.13 0.00 25.20 7.31 2.13 0.00 25.50 7.31 2.13 0.00 25.80 7.31 2.13 0.00 26.10 7.31 2.13 0.00 26.40 7.31 2.13 0.00 26.70 7.31 2.13 0.00 27.00 7.31 2.13 0.00 27.30 7.31 2.13 0.00 27.60 7.31 2.13 0.00 27.90 7.31 2.13 0.00 Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 149HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Subcatchment 2BS: Direct Runoff into Swale - M2 Runoff = 1.09 cfs @ 12.12 hrs, Volume= 0.115 af, Depth= 1.13" Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Type III 24-hr 100-year Rainfall=7.31" Area (sf) CN Description 25,000 36 Woods, Fair, HSG A 24,058 39 >75% Grass cover, Good, HSG A 4,089 98 Paved parking, HSG A 53,147 42 Weighted Average 49,058 92.31% Pervious Area 4,089 7.69% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 3.5 50 0.1600 0.24 Sheet Flow, Grass: Dense n= 0.240 P2= 3.36" 2.8 330 0.0800 1.98 Shallow Concentrated Flow, Short Grass Pasture Kv= 7.0 fps 6.3 380 Total Subcatchment 2BS: Direct Runoff into Swale - M2 Runoff Hydrograph Time (hours) 26242220181614121086420Flow (cfs)1 0 Type III 24-hr 100-year Rainfall=7.31" Runoff Area=53,147 sf Runoff Volume=0.115 af Runoff Depth=1.13" Flow Length=380' Tc=6.3 min CN=42 1.09 cfs Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 150HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Subcatchment 2BS: Direct Runoff into Swale - M2 Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 0.00 0.00 0.00 0.00 0.30 0.02 0.00 0.00 0.60 0.04 0.00 0.00 0.90 0.07 0.00 0.00 1.20 0.09 0.00 0.00 1.50 0.11 0.00 0.00 1.80 0.13 0.00 0.00 2.10 0.15 0.00 0.00 2.40 0.18 0.00 0.00 2.70 0.20 0.00 0.00 3.00 0.22 0.00 0.00 3.30 0.25 0.00 0.00 3.60 0.28 0.00 0.00 3.90 0.30 0.00 0.00 4.20 0.33 0.00 0.00 4.50 0.36 0.00 0.00 4.80 0.39 0.00 0.00 5.10 0.43 0.00 0.00 5.40 0.46 0.00 0.00 5.70 0.49 0.00 0.00 6.00 0.53 0.00 0.00 6.30 0.56 0.00 0.00 6.60 0.60 0.00 0.00 6.90 0.65 0.00 0.00 7.20 0.69 0.00 0.00 7.50 0.74 0.00 0.00 7.80 0.80 0.00 0.00 8.10 0.85 0.00 0.00 8.40 0.92 0.00 0.00 8.70 0.99 0.00 0.00 9.00 1.07 0.00 0.00 9.30 1.15 0.00 0.00 9.60 1.25 0.00 0.00 9.90 1.35 0.00 0.00 10.20 1.46 0.00 0.00 10.50 1.58 0.00 0.00 10.80 1.72 0.00 0.00 11.10 1.88 0.00 0.00 11.40 2.09 0.00 0.00 11.70 2.48 0.00 0.00 12.00 3.65 0.05 0.28 12.30 4.83 0.27 0.75 12.60 5.22 0.37 0.32 12.90 5.43 0.43 0.24 13.20 5.59 0.48 0.19 13.50 5.73 0.52 0.18 13.80 5.85 0.57 0.17 14.10 5.96 0.60 0.15 14.40 6.06 0.64 0.14 14.70 6.16 0.67 0.13 15.00 6.24 0.70 0.13 15.30 6.32 0.73 0.12 Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 15.60 6.39 0.76 0.11 15.90 6.46 0.78 0.10 16.20 6.51 0.80 0.09 16.50 6.57 0.82 0.08 16.80 6.62 0.84 0.08 17.10 6.66 0.86 0.07 17.40 6.71 0.88 0.07 17.70 6.75 0.89 0.06 18.00 6.78 0.91 0.06 18.30 6.82 0.92 0.06 18.60 6.85 0.93 0.06 18.90 6.88 0.95 0.05 19.20 6.92 0.96 0.05 19.50 6.95 0.97 0.05 19.80 6.98 0.99 0.05 20.10 7.01 1.00 0.05 20.40 7.03 1.01 0.05 20.70 7.06 1.02 0.05 21.00 7.09 1.03 0.05 21.30 7.11 1.04 0.04 21.60 7.14 1.05 0.04 21.90 7.16 1.06 0.04 22.20 7.18 1.07 0.04 22.50 7.21 1.08 0.04 22.80 7.23 1.09 0.04 23.10 7.25 1.10 0.04 23.40 7.27 1.11 0.04 23.70 7.29 1.12 0.03 24.00 7.31 1.13 0.03 24.30 7.31 1.13 0.00 24.60 7.31 1.13 0.00 24.90 7.31 1.13 0.00 25.20 7.31 1.13 0.00 25.50 7.31 1.13 0.00 25.80 7.31 1.13 0.00 26.10 7.31 1.13 0.00 26.40 7.31 1.13 0.00 26.70 7.31 1.13 0.00 27.00 7.31 1.13 0.00 27.30 7.31 1.13 0.00 27.60 7.31 1.13 0.00 27.90 7.31 1.13 0.00 Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 151HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Subcatchment 3S: Roof Runoff (per Dwelling) Runoff = 0.21 cfs @ 12.08 hrs, Volume= 0.017 af, Depth= 7.07" Runoff by SCS TR-20 method, UH=SCS, Weighted-CN, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Type III 24-hr 100-year Rainfall=7.31" Area (sf) CN Description 1,288 98 Roofs, HSG A 1,288 100.00% Impervious Area Tc Length Slope Velocity Capacity Description (min) (feet) (ft/ft) (ft/sec) (cfs) 0.1 20 0.4000 3.33 Sheet Flow, Smooth surfaces n= 0.011 P2= 3.25" 0.1 20 Total, Increased to minimum Tc = 6.0 min Subcatchment 3S: Roof Runoff (per Dwelling) Runoff Hydrograph Time (hours) 26242220181614121086420Flow (cfs)0.23 0.22 0.21 0.2 0.19 0.18 0.17 0.16 0.15 0.14 0.13 0.12 0.11 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0 Type III 24-hr 100-year Rainfall=7.31" Runoff Area=1,288 sf Runoff Volume=0.017 af Runoff Depth=7.07" Flow Length=20' Slope=0.4000 '/' Tc=6.0 min CN=98 0.21 cfs Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 152HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Subcatchment 3S: Roof Runoff (per Dwelling) Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 0.00 0.00 0.00 0.00 0.30 0.02 0.00 0.00 0.60 0.04 0.00 0.00 0.90 0.07 0.00 0.00 1.20 0.09 0.01 0.00 1.50 0.11 0.02 0.00 1.80 0.13 0.03 0.00 2.10 0.15 0.04 0.00 2.40 0.18 0.05 0.00 2.70 0.20 0.07 0.00 3.00 0.22 0.09 0.00 3.30 0.25 0.11 0.00 3.60 0.28 0.13 0.00 3.90 0.30 0.15 0.00 4.20 0.33 0.17 0.00 4.50 0.36 0.20 0.00 4.80 0.39 0.22 0.00 5.10 0.43 0.25 0.00 5.40 0.46 0.28 0.00 5.70 0.49 0.31 0.00 6.00 0.53 0.34 0.00 6.30 0.56 0.38 0.00 6.60 0.60 0.41 0.00 6.90 0.65 0.45 0.00 7.20 0.69 0.50 0.00 7.50 0.74 0.54 0.00 7.80 0.80 0.59 0.01 8.10 0.85 0.65 0.01 8.40 0.92 0.71 0.01 8.70 0.99 0.78 0.01 9.00 1.07 0.85 0.01 9.30 1.15 0.94 0.01 9.60 1.25 1.03 0.01 9.90 1.35 1.13 0.01 10.20 1.46 1.24 0.01 10.50 1.58 1.36 0.01 10.80 1.72 1.50 0.01 11.10 1.88 1.66 0.02 11.40 2.09 1.87 0.02 11.70 2.48 2.25 0.05 12.00 3.65 3.42 0.13 12.30 4.83 4.59 0.08 12.60 5.22 4.98 0.03 12.90 5.43 5.19 0.02 13.20 5.59 5.35 0.02 13.50 5.73 5.49 0.01 13.80 5.85 5.62 0.01 14.10 5.96 5.73 0.01 14.40 6.06 5.83 0.01 14.70 6.16 5.92 0.01 15.00 6.24 6.01 0.01 15.30 6.32 6.08 0.01 Time (hours) Precip. (inches) Excess (inches) Runoff (cfs) 15.60 6.39 6.16 0.01 15.90 6.46 6.22 0.01 16.20 6.51 6.28 0.01 16.50 6.57 6.33 0.01 16.80 6.62 6.38 0.00 17.10 6.66 6.42 0.00 17.40 6.71 6.47 0.00 17.70 6.75 6.51 0.00 18.00 6.78 6.54 0.00 18.30 6.82 6.58 0.00 18.60 6.85 6.61 0.00 18.90 6.88 6.65 0.00 19.20 6.92 6.68 0.00 19.50 6.95 6.71 0.00 19.80 6.98 6.74 0.00 20.10 7.01 6.77 0.00 20.40 7.03 6.79 0.00 20.70 7.06 6.82 0.00 21.00 7.09 6.85 0.00 21.30 7.11 6.87 0.00 21.60 7.14 6.90 0.00 21.90 7.16 6.92 0.00 22.20 7.18 6.95 0.00 22.50 7.21 6.97 0.00 22.80 7.23 6.99 0.00 23.10 7.25 7.01 0.00 23.40 7.27 7.03 0.00 23.70 7.29 7.05 0.00 24.00 7.31 7.07 0.00 24.30 7.31 7.07 0.00 24.60 7.31 7.07 0.00 24.90 7.31 7.07 0.00 25.20 7.31 7.07 0.00 25.50 7.31 7.07 0.00 25.80 7.31 7.07 0.00 26.10 7.31 7.07 0.00 26.40 7.31 7.07 0.00 26.70 7.31 7.07 0.00 27.00 7.31 7.07 0.00 27.30 7.31 7.07 0.00 27.60 7.31 7.07 0.00 27.90 7.31 7.07 0.00 Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 153HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Pond 1AP: Grassed Swale Leaching - M1 Inflow Area = 0.732 ac, 19.72% Impervious, Inflow Depth = 1.89" for 100-year event Inflow = 1.43 cfs @ 12.10 hrs, Volume= 0.115 af Outflow = 1.32 cfs @ 12.15 hrs, Volume= 0.110 af, Atten= 7%, Lag= 3.1 min Discarded = 0.04 cfs @ 12.15 hrs, Volume= 0.048 af Secondary = 1.29 cfs @ 12.15 hrs, Volume= 0.062 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Peak Elev= 50.13' @ 12.15 hrs Surf.Area= 654 sf Storage= 780 cf Plug-Flow detention time= 112.2 min calculated for 0.110 af (96% of inflow) Center-of-Mass det. time= 89.9 min ( 962.6 - 872.7 ) Volume Invert Avail.Storage Storage Description #1 48.50' 2,417 cf Grassed Swale (Irregular) Listed below (Recalc) Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area (feet) (sq-ft) (feet) (cubic-feet) (cubic-feet) (sq-ft) 48.50 319 92.0 0 0 319 50.00 624 111.0 695 695 662 50.50 738 117.0 340 1,035 784 52.00 1,118 136.0 1,382 2,417 1,212 Device Routing Invert Outlet Devices #1 Discarded 48.50'2.410 in/hr Exfiltration over Wetted area Phase-In= 0.01' #2 Secondary 50.00'24.0" x 24.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads Discarded OutFlow Max=0.04 cfs @ 12.15 hrs HW=50.13' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.04 cfs) Secondary OutFlow Max=1.27 cfs @ 12.15 hrs HW=50.13' TW=42.86' (Dynamic Tailwater) 2=Orifice/Grate (Weir Controls 1.27 cfs @ 1.19 fps) Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 154HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Pond 1AP: Grassed Swale Leaching - M1 Inflow Outflow Discarded Secondary Hydrograph Time (hours) 26242220181614121086420Flow (cfs)1 0 Inflow Area=0.732 ac Peak Elev=50.13' Storage=780 cf 1.43 cfs 1.32 cfs 0.04 cfs 1.29 cfs Pond 1AP: Grassed Swale Leaching - M1 Total Discarded Secondary Stage-Discharge Discharge (cfs) 26242220181614121086420Elevation (feet)52 51 50 49 Exfiltration Orifice/Grate Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 155HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Pond 1AP: Grassed Swale Leaching - M1 Surface Wetted Storage Stage-Area-Storage Storage (cubic-feet) 2,0001,5001,0005000 Surface/Horizontal/Wetted Area (sq-ft) 1,2001,0008006004002000 Elevation (feet)52 51 50 49 Grassed Swale Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 156HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Pond 1AP: Grassed Swale Leaching - M1 Time (hours) Inflow (cfs) Storage (cubic-feet) Elevation (feet) Outflow (cfs) Discarded (cfs) Secondary (cfs) 0.00 0.00 0 48.50 0.00 0.00 0.00 0.60 0.00 0 48.50 0.00 0.00 0.00 1.20 0.00 0 48.50 0.00 0.00 0.00 1.80 0.00 0 48.50 0.00 0.00 0.00 2.40 0.00 0 48.50 0.00 0.00 0.00 3.00 0.00 0 48.50 0.00 0.00 0.00 3.60 0.00 0 48.50 0.00 0.00 0.00 4.20 0.00 0 48.50 0.00 0.00 0.00 4.80 0.00 0 48.50 0.00 0.00 0.00 5.40 0.00 0 48.50 0.00 0.00 0.00 6.00 0.00 0 48.50 0.00 0.00 0.00 6.60 0.00 0 48.50 0.00 0.00 0.00 7.20 0.00 0 48.50 0.00 0.00 0.00 7.80 0.00 0 48.50 0.00 0.00 0.00 8.40 0.00 0 48.50 0.00 0.00 0.00 9.00 0.00 0 48.50 0.00 0.00 0.00 9.60 0.00 0 48.50 0.00 0.00 0.00 10.20 0.00 0 48.50 0.00 0.00 0.00 10.80 0.00 0 48.50 0.00 0.00 0.00 11.40 0.03 6 48.52 0.02 0.02 0.00 12.00 0.68 336 49.35 0.03 0.03 0.00 12.60 0.29 725 50.05 0.32 0.04 0.28 13.20 0.17 714 50.03 0.17 0.04 0.14 13.80 0.14 711 50.03 0.15 0.04 0.11 14.40 0.12 708 50.02 0.12 0.04 0.08 15.00 0.11 707 50.02 0.11 0.04 0.07 15.60 0.09 704 50.02 0.09 0.04 0.05 16.20 0.07 702 50.01 0.07 0.04 0.04 16.80 0.06 701 50.01 0.06 0.04 0.03 17.40 0.06 700 50.01 0.06 0.04 0.02 18.00 0.05 698 50.01 0.05 0.04 0.01 18.60 0.04 697 50.00 0.05 0.04 0.01 19.20 0.04 697 50.00 0.04 0.04 0.01 19.80 0.04 696 50.00 0.04 0.04 0.00 20.40 0.04 695 50.00 0.04 0.04 0.00 21.00 0.04 694 50.00 0.04 0.04 0.00 21.60 0.03 691 49.99 0.04 0.04 0.00 22.20 0.03 683 49.98 0.04 0.04 0.00 22.80 0.03 672 49.96 0.04 0.04 0.00 23.40 0.03 658 49.94 0.04 0.04 0.00 24.00 0.03 640 49.91 0.04 0.04 0.00 24.60 0.00 573 49.80 0.03 0.03 0.00 25.20 0.00 501 49.67 0.03 0.03 0.00 25.80 0.00 433 49.54 0.03 0.03 0.00 26.40 0.00 369 49.41 0.03 0.03 0.00 27.00 0.00 308 49.29 0.03 0.03 0.00 27.60 0.00 250 49.16 0.03 0.03 0.00 Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 157HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Discharge for Pond 1AP: Grassed Swale Leaching - M1 Elevation (feet) Discharge (cfs) Discarded (cfs) Secondary (cfs) 48.50 0.00 0.00 0.00 48.55 0.02 0.02 0.00 48.60 0.02 0.02 0.00 48.65 0.02 0.02 0.00 48.70 0.02 0.02 0.00 48.75 0.02 0.02 0.00 48.80 0.02 0.02 0.00 48.85 0.02 0.02 0.00 48.90 0.02 0.02 0.00 48.95 0.02 0.02 0.00 49.00 0.02 0.02 0.00 49.05 0.02 0.02 0.00 49.10 0.03 0.03 0.00 49.15 0.03 0.03 0.00 49.20 0.03 0.03 0.00 49.25 0.03 0.03 0.00 49.30 0.03 0.03 0.00 49.35 0.03 0.03 0.00 49.40 0.03 0.03 0.00 49.45 0.03 0.03 0.00 49.50 0.03 0.03 0.00 49.55 0.03 0.03 0.00 49.60 0.03 0.03 0.00 49.65 0.03 0.03 0.00 49.70 0.03 0.03 0.00 49.75 0.03 0.03 0.00 49.80 0.03 0.03 0.00 49.85 0.03 0.03 0.00 49.90 0.04 0.04 0.00 49.95 0.04 0.04 0.00 50.00 0.04 0.04 0.00 50.05 0.33 0.04 0.29 50.10 0.87 0.04 0.83 50.15 1.56 0.04 1.52 50.20 2.38 0.04 2.34 50.25 3.31 0.04 3.27 50.30 4.34 0.04 4.30 50.35 5.46 0.04 5.42 50.40 6.66 0.04 6.62 50.45 7.94 0.04 7.90 50.50 9.29 0.04 9.25 50.55 10.71 0.04 10.67 50.60 12.20 0.05 12.16 50.65 13.76 0.05 13.71 50.70 15.37 0.05 15.32 50.75 16.73 0.05 16.68 50.80 17.27 0.05 17.23 50.85 17.81 0.05 17.76 50.90 18.32 0.05 18.27 50.95 18.82 0.05 18.77 51.00 19.31 0.05 19.26 51.05 19.79 0.05 19.74 Elevation (feet) Discharge (cfs) Discarded (cfs) Secondary (cfs) 51.10 20.25 0.05 20.20 51.15 20.71 0.05 20.65 51.20 21.15 0.05 21.10 51.25 21.59 0.06 21.53 51.30 22.02 0.06 21.96 51.35 22.43 0.06 22.38 51.40 22.85 0.06 22.79 51.45 23.25 0.06 23.19 51.50 23.65 0.06 23.59 51.55 24.04 0.06 23.98 51.60 24.42 0.06 24.36 51.65 24.80 0.06 24.74 51.70 25.17 0.06 25.11 51.75 25.54 0.06 25.48 51.80 25.90 0.06 25.84 51.85 26.26 0.07 26.20 51.90 26.61 0.07 26.55 51.95 26.96 0.07 26.89 52.00 27.31 0.07 27.24 Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. 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Page 158HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 1AP: Grassed Swale Leaching - M1 Elevation (feet) Surface (sq-ft) Wetted (sq-ft) Storage (cubic-feet) 48.50 319 319 0 48.55 328 329 16 48.60 336 340 33 48.65 345 350 50 48.70 354 361 67 48.75 363 372 85 48.80 372 382 104 48.85 381 393 122 48.90 390 404 142 48.95 400 415 161 49.00 409 426 182 49.05 419 437 202 49.10 429 448 224 49.15 439 460 245 49.20 449 471 267 49.25 459 482 290 49.30 469 494 313 49.35 479 505 337 49.40 490 517 361 49.45 500 529 386 49.50 511 540 411 49.55 522 552 437 49.60 533 564 463 49.65 544 576 490 49.70 555 588 518 49.75 566 600 546 49.80 577 612 574 49.85 589 624 604 49.90 601 637 633 49.95 612 649 664 50.00 624 662 695 50.05 635 674 726 50.10 646 686 758 50.15 657 698 791 50.20 668 710 824 50.25 680 722 858 50.30 691 735 892 50.35 703 747 927 50.40 714 759 962 50.45 726 772 998 50.50 738 784 1,035 50.55 749 798 1,072 50.60 761 811 1,110 50.65 772 824 1,148 50.70 784 838 1,187 50.75 796 851 1,226 50.80 808 865 1,266 50.85 820 878 1,307 50.90 832 892 1,348 50.95 844 906 1,390 51.00 856 920 1,433 51.05 868 934 1,476 Elevation (feet) Surface (sq-ft) Wetted (sq-ft) Storage (cubic-feet) 51.10 881 948 1,520 51.15 893 962 1,564 51.20 906 976 1,609 51.25 918 990 1,655 51.30 931 1,004 1,701 51.35 944 1,019 1,748 51.40 957 1,033 1,795 51.45 970 1,047 1,843 51.50 983 1,062 1,892 51.55 996 1,077 1,942 51.60 1,009 1,091 1,992 51.65 1,022 1,106 2,042 51.70 1,036 1,121 2,094 51.75 1,049 1,136 2,146 51.80 1,063 1,151 2,199 51.85 1,076 1,166 2,252 51.90 1,090 1,181 2,306 51.95 1,104 1,196 2,361 52.00 1,118 1,212 2,417 Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. 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Page 159HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Pond 1AR: (2) CB's in Pavement Inflow Area = 0.549 ac, 26.28% Impervious, Inflow Depth = 2.23" for 100-year event Inflow = 1.33 cfs @ 12.10 hrs, Volume= 0.102 af Outflow = 1.33 cfs @ 12.10 hrs, Volume= 0.102 af, Atten= 0%, Lag= 0.0 min Primary = 1.33 cfs @ 12.10 hrs, Volume= 0.102 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Peak Elev= 51.77' @ 12.10 hrs Flood Elev= 53.80' Device Routing Invert Outlet Devices #1 Primary 51.30'12.0" Round Culvert X 2.00 L= 50.0' CPP, projecting, no headwall, Ke= 0.900 Inlet / Outlet Invert= 51.30' / 50.50' S= 0.0160 '/' Cc= 0.900 n= 0.020 Corrugated PE, corrugated interior, Flow Area= 0.79 sf Primary OutFlow Max=1.32 cfs @ 12.10 hrs HW=51.77' TW=50.01' (Dynamic Tailwater) 1=Culvert (Inlet Controls 1.32 cfs @ 1.84 fps) Pond 1AR: (2) CB's in Pavement Inflow Primary Hydrograph Time (hours) 26242220181614121086420Flow (cfs)1 0 Inflow Area=0.549 ac Peak Elev=51.77' 12.0" Round Culvert x 2.00 n=0.020 L=50.0' S=0.0160 '/' 1.33 cfs 1.33 cfs Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 160HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Pond 1AR: (2) CB's in Pavement Primary Stage-Discharge Discharge (cfs) 876543210Elevation (feet)53 52 Culvert Pond 1AR: (2) CB's in Pavement Storage Stage-Area-Storage Storage (cubic-feet) 0Elevation (feet)53 52 Flood Elevation Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 161HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Pond 1AR: (2) CB's in Pavement Time (hours) Inflow (cfs) Elevation (feet) Primary (cfs) 0.00 0.00 51.30 0.00 0.30 0.00 51.30 0.00 0.60 0.00 51.30 0.00 0.90 0.00 51.30 0.00 1.20 0.00 51.30 0.00 1.50 0.00 51.30 0.00 1.80 0.00 51.30 0.00 2.10 0.00 51.30 0.00 2.40 0.00 51.30 0.00 2.70 0.00 51.30 0.00 3.00 0.00 51.30 0.00 3.30 0.00 51.30 0.00 3.60 0.00 51.30 0.00 3.90 0.00 51.30 0.00 4.20 0.00 51.30 0.00 4.50 0.00 51.30 0.00 4.80 0.00 51.30 0.00 5.10 0.00 51.30 0.00 5.40 0.00 51.30 0.00 5.70 0.00 51.30 0.00 6.00 0.00 51.30 0.00 6.30 0.00 51.30 0.00 6.60 0.00 51.30 0.00 6.90 0.00 51.30 0.00 7.20 0.00 51.30 0.00 7.50 0.00 51.30 0.00 7.80 0.00 51.30 0.00 8.10 0.00 51.30 0.00 8.40 0.00 51.30 0.00 8.70 0.00 51.30 0.00 9.00 0.00 51.30 0.00 9.30 0.00 51.30 0.00 9.60 0.00 51.30 0.00 9.90 0.00 51.30 0.00 10.20 0.00 51.30 0.00 10.50 0.00 51.30 0.00 10.80 0.00 51.30 0.00 11.10 0.01 51.34 0.01 11.40 0.03 51.37 0.03 11.70 0.11 51.43 0.11 12.00 0.67 51.62 0.67 12.30 0.68 51.63 0.68 12.60 0.26 51.50 0.26 12.90 0.19 51.47 0.19 13.20 0.15 51.45 0.15 13.50 0.14 51.44 0.14 13.80 0.12 51.44 0.12 14.10 0.11 51.43 0.11 14.40 0.10 51.42 0.10 14.70 0.10 51.42 0.10 15.00 0.09 51.42 0.09 15.30 0.08 51.41 0.08 Time (hours) Inflow (cfs) Elevation (feet) Primary (cfs) 15.60 0.07 51.41 0.07 15.90 0.07 51.40 0.07 16.20 0.06 51.40 0.06 16.50 0.06 51.39 0.06 16.80 0.05 51.39 0.05 17.10 0.05 51.39 0.05 17.40 0.05 51.39 0.05 17.70 0.04 51.38 0.04 18.00 0.04 51.38 0.04 18.30 0.04 51.38 0.04 18.60 0.04 51.38 0.04 18.90 0.04 51.38 0.04 19.20 0.04 51.37 0.04 19.50 0.03 51.37 0.03 19.80 0.03 51.37 0.03 20.10 0.03 51.37 0.03 20.40 0.03 51.37 0.03 20.70 0.03 51.37 0.03 21.00 0.03 51.37 0.03 21.30 0.03 51.37 0.03 21.60 0.03 51.37 0.03 21.90 0.03 51.37 0.03 22.20 0.03 51.37 0.03 22.50 0.03 51.36 0.03 22.80 0.03 51.36 0.03 23.10 0.02 51.36 0.02 23.40 0.02 51.36 0.02 23.70 0.02 51.36 0.02 24.00 0.02 51.36 0.02 24.30 0.00 51.30 0.00 24.60 0.00 51.30 0.00 24.90 0.00 51.30 0.00 25.20 0.00 51.30 0.00 25.50 0.00 51.30 0.00 25.80 0.00 51.30 0.00 26.10 0.00 51.30 0.00 26.40 0.00 51.30 0.00 26.70 0.00 51.30 0.00 27.00 0.00 51.30 0.00 27.30 0.00 51.30 0.00 27.60 0.00 51.30 0.00 27.90 0.00 51.30 0.00 Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 162HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Discharge for Pond 1AR: (2) CB's in Pavement Elevation (feet) Primary (cfs) 51.30 0.00 51.31 0.00 51.32 0.00 51.33 0.01 51.34 0.01 51.35 0.02 51.36 0.02 51.37 0.03 51.38 0.04 51.39 0.05 51.40 0.07 51.41 0.08 51.42 0.10 51.43 0.11 51.44 0.13 51.45 0.15 51.46 0.17 51.47 0.20 51.48 0.22 51.49 0.24 51.50 0.27 51.51 0.30 51.52 0.32 51.53 0.35 51.54 0.38 51.55 0.41 51.56 0.44 51.57 0.48 51.58 0.51 51.59 0.55 51.60 0.58 51.61 0.62 51.62 0.66 51.63 0.70 51.64 0.74 51.65 0.78 51.66 0.82 51.67 0.86 51.68 0.91 51.69 0.95 51.70 1.00 51.71 1.04 51.72 1.09 51.73 1.14 51.74 1.19 51.75 1.24 51.76 1.29 51.77 1.34 51.78 1.39 51.79 1.44 51.80 1.49 51.81 1.55 Elevation (feet) Primary (cfs) 51.82 1.60 51.83 1.65 51.84 1.71 51.85 1.76 51.86 1.82 51.87 1.88 51.88 1.93 51.89 1.99 51.90 2.05 51.91 2.11 51.92 2.17 51.93 2.22 51.94 2.28 51.95 2.34 51.96 2.40 51.97 2.46 51.98 2.52 51.99 2.58 52.00 2.64 52.01 2.70 52.02 2.76 52.03 2.82 52.04 2.88 52.05 2.94 52.06 3.00 52.07 3.06 52.08 3.12 52.09 3.18 52.10 3.24 52.11 3.30 52.12 3.36 52.13 3.41 52.14 3.47 52.15 3.53 52.16 3.58 52.17 3.64 52.18 3.69 52.19 3.74 52.20 3.80 52.21 3.85 52.22 3.90 52.23 3.95 52.24 3.99 52.25 4.04 52.26 4.08 52.27 4.12 52.28 4.16 52.29 4.19 52.30 4.22 52.31 4.26 52.32 4.31 52.33 4.35 Elevation (feet) Primary (cfs) 52.34 4.39 52.35 4.43 52.36 4.47 52.37 4.51 52.38 4.55 52.39 4.59 52.40 4.63 52.41 4.66 52.42 4.70 52.43 4.74 52.44 4.78 52.45 4.81 52.46 4.85 52.47 4.89 52.48 4.92 52.49 4.96 52.50 5.00 52.51 5.03 52.52 5.07 52.53 5.10 52.54 5.14 52.55 5.17 52.56 5.21 52.57 5.24 52.58 5.27 52.59 5.31 52.60 5.34 52.61 5.37 52.62 5.41 52.63 5.44 52.64 5.47 52.65 5.51 52.66 5.54 52.67 5.57 52.68 5.60 52.69 5.63 52.70 5.66 52.71 5.70 52.72 5.73 52.73 5.76 52.74 5.79 52.75 5.82 52.76 5.85 52.77 5.88 52.78 5.91 52.79 5.94 52.80 5.97 52.81 6.00 52.82 6.03 52.83 6.06 52.84 6.09 52.85 6.12 Elevation (feet) Primary (cfs) 52.86 6.15 52.87 6.18 52.88 6.21 52.89 6.23 52.90 6.26 52.91 6.29 52.92 6.32 52.93 6.35 52.94 6.38 52.95 6.40 52.96 6.43 52.97 6.45 52.98 6.47 52.99 6.49 53.00 6.51 53.01 6.54 53.02 6.56 53.03 6.58 53.04 6.60 53.05 6.62 53.06 6.64 53.07 6.67 53.08 6.69 53.09 6.71 53.10 6.73 53.11 6.75 53.12 6.77 53.13 6.79 53.14 6.81 53.15 6.83 53.16 6.85 53.17 6.87 53.18 6.89 53.19 6.92 53.20 6.94 53.21 6.96 53.22 6.98 53.23 7.00 53.24 7.02 53.25 7.04 53.26 7.06 53.27 7.08 53.28 7.10 53.29 7.12 53.30 7.14 53.31 7.16 53.32 7.18 53.33 7.20 53.34 7.22 53.35 7.24 53.36 7.25 53.37 7.27 Elevation (feet) Primary (cfs) 53.38 7.29 53.39 7.31 53.40 7.33 53.41 7.35 53.42 7.37 53.43 7.39 53.44 7.41 53.45 7.43 53.46 7.45 53.47 7.47 53.48 7.49 53.49 7.50 53.50 7.52 53.51 7.54 53.52 7.56 53.53 7.58 53.54 7.60 53.55 7.62 53.56 7.63 53.57 7.65 53.58 7.67 53.59 7.69 53.60 7.71 53.61 7.73 53.62 7.75 53.63 7.76 53.64 7.78 53.65 7.80 53.66 7.82 53.67 7.84 53.68 7.85 53.69 7.87 53.70 7.89 53.71 7.91 53.72 7.93 53.73 7.94 53.74 7.96 53.75 7.98 53.76 8.00 53.77 8.01 53.78 8.03 53.79 8.05 53.80 8.07 Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. 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Page 163HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 1AR: (2) CB's in Pavement Elevation (feet) Storage (cubic-feet) 51.30 0 51.32 0 51.34 0 51.36 0 51.38 0 51.40 0 51.42 0 51.44 0 51.46 0 51.48 0 51.50 0 51.52 0 51.54 0 51.56 0 51.58 0 51.60 0 51.62 0 51.64 0 51.66 0 51.68 0 51.70 0 51.72 0 51.74 0 51.76 0 51.78 0 51.80 0 51.82 0 51.84 0 51.86 0 51.88 0 51.90 0 51.92 0 51.94 0 51.96 0 51.98 0 52.00 0 52.02 0 52.04 0 52.06 0 52.08 0 52.10 0 52.12 0 52.14 0 52.16 0 52.18 0 52.20 0 52.22 0 52.24 0 52.26 0 52.28 0 52.30 0 52.32 0 Elevation (feet) Storage (cubic-feet) 52.34 0 52.36 0 52.38 0 52.40 0 52.42 0 52.44 0 52.46 0 52.48 0 52.50 0 52.52 0 52.54 0 52.56 0 52.58 0 52.60 0 52.62 0 52.64 0 52.66 0 52.68 0 52.70 0 52.72 0 52.74 0 52.76 0 52.78 0 52.80 0 52.82 0 52.84 0 52.86 0 52.88 0 52.90 0 52.92 0 52.94 0 52.96 0 52.98 0 53.00 0 53.02 0 53.04 0 53.06 0 53.08 0 53.10 0 53.12 0 53.14 0 53.16 0 53.18 0 53.20 0 53.22 0 53.24 0 53.26 0 53.28 0 53.30 0 53.32 0 53.34 0 53.36 0 Elevation (feet) Storage (cubic-feet) 53.38 0 53.40 0 53.42 0 53.44 0 53.46 0 53.48 0 53.50 0 53.52 0 53.54 0 53.56 0 53.58 0 53.60 0 53.62 0 53.64 0 53.66 0 53.68 0 53.70 0 53.72 0 53.74 0 53.76 0 53.78 0 53.80 0 Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 164HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Pond 1BP: (1) 28'x14' Leaching Facility - (2) 6'x6' Leach Pits, 14' O.C. with stone around Inflow = 1.29 cfs @ 12.15 hrs, Volume= 0.062 af Outflow = 0.16 cfs @ 13.01 hrs, Volume= 0.062 af, Atten= 87%, Lag= 51.8 min Discarded = 0.16 cfs @ 13.01 hrs, Volume= 0.062 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Peak Elev= 47.36' @ 13.01 hrs Surf.Area= 392 sf Storage= 1,088 cf Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= 83.1 min ( 889.3 - 806.2 ) Volume Invert Avail.Storage Storage Description #1 42.00' 879 cf 14.00'W x 28.00'L x 6.00'H Prismatoid 2,352 cf Overall - 398 cf Embedded = 1,954 cf x 45.0% Voids #2 42.00' 339 cf 6.00'D x 6.00'H Vertical Cone/Cylinder x 2 Inside #1 398 cf Overall - 3.0" Wall Thickness = 339 cf 1,219 cf Total Available Storage Device Routing Invert Outlet Devices #1 Discarded 42.00'8.270 in/hr Exfiltration over Wetted area Phase-In= 0.01' Discarded OutFlow Max=0.16 cfs @ 13.01 hrs HW=47.36' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.16 cfs) Pond 1BP: (1) 28'x14' Leaching Facility - (2) 6'x6' Leach Pits, 14' O.C. with stone around Inflow Discarded Hydrograph Time (hours) 26242220181614121086420Flow (cfs)1 0 Peak Elev=47.36' Storage=1,088 cf 1.29 cfs 0.16 cfs Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 165HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Pond 1BP: (1) 28'x14' Leaching Facility - (2) 6'x6' Leach Pits, 14' O.C. with stone around Discarded Stage-Discharge Discharge (cfs) 0.170.160.150.140.130.120.110.10.090.080.070.060.050.040.030.020.010Elevation (feet)48 47 46 45 44 43 42 Exfiltration Pond 1BP: (1) 28'x14' Leaching Facility - (2) 6'x6' Leach Pits, 14' O.C. with stone around Wetted Storage Stage-Area-Storage Storage (cubic-feet) 1,2001,0008006004002000 Surface/Horizontal/Wetted Area (sq-ft) 850800750700650600550500450400350300250200150100500 Elevation (feet)48 47 46 45 44 43 42 Prismatoid + Vertical Cone/Cylinder Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 166HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Pond 1BP: (1) 28'x14' Leaching Facility - (2) 6'x6' Leach Pits, 14' O.C. with stone around Time (hours) Inflow (cfs) Storage (cubic-feet) Elevation (feet) Discarded (cfs) 0.00 0.00 0 42.00 0.00 0.30 0.00 0 42.00 0.00 0.60 0.00 0 42.00 0.00 0.90 0.00 0 42.00 0.00 1.20 0.00 0 42.00 0.00 1.50 0.00 0 42.00 0.00 1.80 0.00 0 42.00 0.00 2.10 0.00 0 42.00 0.00 2.40 0.00 0 42.00 0.00 2.70 0.00 0 42.00 0.00 3.00 0.00 0 42.00 0.00 3.30 0.00 0 42.00 0.00 3.60 0.00 0 42.00 0.00 3.90 0.00 0 42.00 0.00 4.20 0.00 0 42.00 0.00 4.50 0.00 0 42.00 0.00 4.80 0.00 0 42.00 0.00 5.10 0.00 0 42.00 0.00 5.40 0.00 0 42.00 0.00 5.70 0.00 0 42.00 0.00 6.00 0.00 0 42.00 0.00 6.30 0.00 0 42.00 0.00 6.60 0.00 0 42.00 0.00 6.90 0.00 0 42.00 0.00 7.20 0.00 0 42.00 0.00 7.50 0.00 0 42.00 0.00 7.80 0.00 0 42.00 0.00 8.10 0.00 0 42.00 0.00 8.40 0.00 0 42.00 0.00 8.70 0.00 0 42.00 0.00 9.00 0.00 0 42.00 0.00 9.30 0.00 0 42.00 0.00 9.60 0.00 0 42.00 0.00 9.90 0.00 0 42.00 0.00 10.20 0.00 0 42.00 0.00 10.50 0.00 0 42.00 0.00 10.80 0.00 0 42.00 0.00 11.10 0.00 0 42.00 0.00 11.40 0.00 0 42.00 0.00 11.70 0.00 0 42.00 0.00 12.00 0.00 0 42.00 0.00 12.30 0.75 618 45.04 0.12 12.60 0.28 1,021 47.03 0.16 12.90 0.18 1,084 47.34 0.16 13.20 0.14 1,079 47.31 0.16 13.50 0.12 1,048 47.16 0.16 13.80 0.11 1,004 46.94 0.15 14.10 0.09 948 46.67 0.15 14.40 0.08 884 46.35 0.15 14.70 0.08 817 46.02 0.14 15.00 0.07 748 45.68 0.13 15.30 0.06 676 45.33 0.13 Time (hours) Inflow (cfs) Storage (cubic-feet) Elevation (feet) Discarded (cfs) 15.60 0.05 601 44.96 0.12 15.90 0.04 523 44.58 0.12 16.20 0.04 443 44.18 0.11 16.50 0.03 364 43.79 0.10 16.80 0.03 287 43.41 0.10 17.10 0.02 213 43.05 0.09 17.40 0.02 140 42.69 0.09 17.70 0.02 70 42.34 0.08 18.00 0.01 2 42.01 0.06 18.30 0.01 0 42.00 0.01 18.60 0.01 0 42.00 0.01 18.90 0.01 0 42.00 0.01 19.20 0.01 0 42.00 0.01 19.50 0.00 0 42.00 0.00 19.80 0.00 0 42.00 0.00 20.10 0.00 0 42.00 0.00 20.40 0.00 0 42.00 0.00 20.70 0.00 0 42.00 0.00 21.00 0.00 0 42.00 0.00 21.30 0.00 0 42.00 0.00 21.60 0.00 0 42.00 0.00 21.90 0.00 0 42.00 0.00 22.20 0.00 0 42.00 0.00 22.50 0.00 0 42.00 0.00 22.80 0.00 0 42.00 0.00 23.10 0.00 0 42.00 0.00 23.40 0.00 0 42.00 0.00 23.70 0.00 0 42.00 0.00 24.00 0.00 0 42.00 0.00 24.30 0.00 0 42.00 0.00 24.60 0.00 0 42.00 0.00 24.90 0.00 0 42.00 0.00 25.20 0.00 0 42.00 0.00 25.50 0.00 0 42.00 0.00 25.80 0.00 0 42.00 0.00 26.10 0.00 0 42.00 0.00 26.40 0.00 0 42.00 0.00 26.70 0.00 0 42.00 0.00 27.00 0.00 0 42.00 0.00 27.30 0.00 0 42.00 0.00 27.60 0.00 0 42.00 0.00 27.90 0.00 0 42.00 0.00 Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. 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Page 167HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Discharge for Pond 1BP: (1) 28'x14' Leaching Facility - (2) 6'x6' Leach Pits, 14' O.C. with stone around Elevation (feet) Discarded (cfs) 42.00 0.00 42.04 0.08 42.08 0.08 42.12 0.08 42.16 0.08 42.20 0.08 42.24 0.08 42.28 0.08 42.32 0.08 42.36 0.08 42.40 0.08 42.44 0.08 42.48 0.08 42.52 0.08 42.56 0.08 42.60 0.08 42.64 0.09 42.68 0.09 42.72 0.09 42.76 0.09 42.80 0.09 42.84 0.09 42.88 0.09 42.92 0.09 42.96 0.09 43.00 0.09 43.04 0.09 43.08 0.09 43.12 0.09 43.16 0.09 43.20 0.09 43.24 0.09 43.28 0.10 43.32 0.10 43.36 0.10 43.40 0.10 43.44 0.10 43.48 0.10 43.52 0.10 43.56 0.10 43.60 0.10 43.64 0.10 43.68 0.10 43.72 0.10 43.76 0.10 43.80 0.10 43.84 0.10 43.88 0.11 43.92 0.11 43.96 0.11 44.00 0.11 44.04 0.11 Elevation (feet) Discarded (cfs) 44.08 0.11 44.12 0.11 44.16 0.11 44.20 0.11 44.24 0.11 44.28 0.11 44.32 0.11 44.36 0.11 44.40 0.11 44.44 0.11 44.48 0.11 44.52 0.12 44.56 0.12 44.60 0.12 44.64 0.12 44.68 0.12 44.72 0.12 44.76 0.12 44.80 0.12 44.84 0.12 44.88 0.12 44.92 0.12 44.96 0.12 45.00 0.12 45.04 0.12 45.08 0.12 45.12 0.13 45.16 0.13 45.20 0.13 45.24 0.13 45.28 0.13 45.32 0.13 45.36 0.13 45.40 0.13 45.44 0.13 45.48 0.13 45.52 0.13 45.56 0.13 45.60 0.13 45.64 0.13 45.68 0.13 45.72 0.13 45.76 0.14 45.80 0.14 45.84 0.14 45.88 0.14 45.92 0.14 45.96 0.14 46.00 0.14 46.04 0.14 46.08 0.14 46.12 0.14 Elevation (feet) Discarded (cfs) 46.16 0.14 46.20 0.14 46.24 0.14 46.28 0.14 46.32 0.14 46.36 0.15 46.40 0.15 46.44 0.15 46.48 0.15 46.52 0.15 46.56 0.15 46.60 0.15 46.64 0.15 46.68 0.15 46.72 0.15 46.76 0.15 46.80 0.15 46.84 0.15 46.88 0.15 46.92 0.15 46.96 0.15 47.00 0.16 47.04 0.16 47.08 0.16 47.12 0.16 47.16 0.16 47.20 0.16 47.24 0.16 47.28 0.16 47.32 0.16 47.36 0.16 47.40 0.16 47.44 0.16 47.48 0.16 47.52 0.16 47.56 0.16 47.60 0.17 47.64 0.17 47.68 0.17 47.72 0.17 47.76 0.17 47.80 0.17 47.84 0.17 47.88 0.17 47.92 0.17 47.96 0.17 48.00 0.17 Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 168HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 1BP: (1) 28'x14' Leaching Facility - (2) 6'x6' Leach Pits, 14' O.C. with stone around Elevation (feet) Wetted (sq-ft) Storage (cubic-feet) 42.00 392 0 42.10 400 20 42.20 409 41 42.30 417 61 42.40 426 81 42.50 434 102 42.60 442 122 42.70 451 142 42.80 459 162 42.90 468 183 43.00 476 203 43.10 484 223 43.20 493 244 43.30 501 264 43.40 510 284 43.50 518 305 43.60 526 325 43.70 535 345 43.80 543 366 43.90 552 386 44.00 560 406 44.10 568 426 44.20 577 447 44.30 585 467 44.40 594 487 44.50 602 508 44.60 610 528 44.70 619 548 44.80 627 569 44.90 636 589 45.00 644 609 45.10 652 630 45.20 661 650 45.30 669 670 45.40 678 690 45.50 686 711 45.60 694 731 45.70 703 751 45.80 711 772 45.90 720 792 46.00 728 812 46.10 736 833 46.20 745 853 46.30 753 873 46.40 762 894 46.50 770 914 46.60 778 934 46.70 787 954 46.80 795 975 46.90 804 995 47.00 812 1,015 47.10 820 1,036 Elevation (feet) Wetted (sq-ft) Storage (cubic-feet) 47.20 829 1,056 47.30 837 1,076 47.40 846 1,097 47.50 854 1,117 47.60 862 1,137 47.70 871 1,158 47.80 879 1,178 47.90 888 1,198 48.00 896 1,219 Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 169HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Pond 2AP: Grassed Swale Leaching - M2 Inflow Area = 4.108 ac, 20.30% Impervious, Inflow Depth = 1.83" for 100-year event Inflow = 7.39 cfs @ 12.12 hrs, Volume= 0.627 af Outflow = 4.34 cfs @ 12.31 hrs, Volume= 0.584 af, Atten= 41%, Lag= 11.4 min Discarded = 0.21 cfs @ 12.31 hrs, Volume= 0.275 af Secondary = 4.13 cfs @ 12.31 hrs, Volume= 0.309 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Peak Elev= 34.79' @ 12.31 hrs Surf.Area= 3,724 sf Storage= 5,910 cf Plug-Flow detention time= 146.2 min calculated for 0.584 af (93% of inflow) Center-of-Mass det. time= 111.5 min ( 988.4 - 876.9 ) Volume Invert Avail.Storage Storage Description #1 33.00' 6,696 cf Grassed Swale (Irregular) Listed below (Recalc) Elevation Surf.Area Perim. Inc.Store Cum.Store Wet.Area (feet) (sq-ft) (feet) (cubic-feet) (cubic-feet) (sq-ft) 33.00 2,890 222.0 0 0 2,890 35.00 3,828 247.0 6,696 6,696 3,934 Device Routing Invert Outlet Devices #1 Discarded 33.00'2.410 in/hr Exfiltration over Wetted area Phase-In= 0.01' #2 Secondary 34.50'24.0" x 24.0" Horiz. Orifice/Grate C= 0.600 Limited to weir flow at low heads Discarded OutFlow Max=0.21 cfs @ 12.31 hrs HW=34.79' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.21 cfs) Secondary OutFlow Max=4.10 cfs @ 12.31 hrs HW=34.79' TW=27.72' (Dynamic Tailwater) 2=Orifice/Grate (Weir Controls 4.10 cfs @ 1.76 fps) Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 170HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Pond 2AP: Grassed Swale Leaching - M2 Inflow Outflow Discarded Secondary Hydrograph Time (hours) 26242220181614121086420Flow (cfs)8 7 6 5 4 3 2 1 0 Inflow Area=4.108 ac Peak Elev=34.79' Storage=5,910 cf 7.39 cfs 4.34 cfs 0.21 cfs 4.13 cfs Pond 2AP: Grassed Swale Leaching - M2 Total Discarded Secondary Stage-Discharge Discharge (cfs) 9876543210Elevation (feet)35 34 33 Exfiltration Orifice/Grate Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 171HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Pond 2AP: Grassed Swale Leaching - M2 Surface Wetted Storage Stage-Area-Storage Storage (cubic-feet) 6,0005,0004,0003,0002,0001,0000 Surface/Horizontal/Wetted Area (sq-ft) 3,5003,0002,5002,0001,5001,0005000 Elevation (feet)35 34 33 Grassed Swale Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 172HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Pond 2AP: Grassed Swale Leaching - M2 Time (hours) Inflow (cfs) Storage (cubic-feet) Elevation (feet) Outflow (cfs) Discarded (cfs) Secondary (cfs) 0.00 0.00 0 33.00 0.00 0.00 0.00 0.60 0.00 0 33.00 0.00 0.00 0.00 1.20 0.00 0 33.00 0.00 0.00 0.00 1.80 0.00 0 33.00 0.00 0.00 0.00 2.40 0.00 0 33.00 0.00 0.00 0.00 3.00 0.00 0 33.00 0.00 0.00 0.00 3.60 0.00 0 33.00 0.00 0.00 0.00 4.20 0.00 0 33.00 0.00 0.00 0.00 4.80 0.00 0 33.00 0.00 0.00 0.00 5.40 0.00 0 33.00 0.00 0.00 0.00 6.00 0.00 0 33.00 0.00 0.00 0.00 6.60 0.00 0 33.00 0.00 0.00 0.00 7.20 0.00 0 33.00 0.00 0.00 0.00 7.80 0.00 0 33.00 0.00 0.00 0.00 8.40 0.00 0 33.00 0.00 0.00 0.00 9.00 0.00 0 33.00 0.00 0.00 0.00 9.60 0.00 0 33.00 0.00 0.00 0.00 10.20 0.00 0 33.00 0.00 0.00 0.00 10.80 0.00 0 33.00 0.00 0.00 0.00 11.40 0.11 16 33.01 0.09 0.09 0.00 12.00 3.04 1,300 33.44 0.17 0.17 0.00 12.60 1.75 5,500 34.68 2.22 0.21 2.01 13.20 0.96 5,197 34.60 1.01 0.21 0.80 13.80 0.80 5,141 34.58 0.83 0.21 0.62 14.40 0.67 5,094 34.57 0.68 0.21 0.48 15.00 0.58 5,063 34.56 0.60 0.21 0.39 15.60 0.49 5,028 34.55 0.51 0.21 0.30 16.20 0.40 4,988 34.54 0.41 0.21 0.21 16.80 0.36 4,965 34.53 0.37 0.21 0.16 17.40 0.31 4,943 34.53 0.32 0.21 0.12 18.00 0.27 4,917 34.52 0.28 0.20 0.08 18.60 0.25 4,899 34.52 0.25 0.20 0.05 19.20 0.24 4,888 34.51 0.24 0.20 0.04 19.80 0.22 4,877 34.51 0.23 0.20 0.02 20.40 0.21 4,865 34.51 0.22 0.20 0.01 21.00 0.20 4,852 34.50 0.21 0.20 0.00 21.60 0.19 4,832 34.50 0.20 0.20 0.00 22.20 0.18 4,791 34.49 0.20 0.20 0.00 22.80 0.17 4,729 34.47 0.20 0.20 0.00 23.40 0.16 4,644 34.44 0.20 0.20 0.00 24.00 0.15 4,538 34.41 0.20 0.20 0.00 24.60 0.00 4,164 34.31 0.20 0.20 0.00 25.20 0.00 3,738 34.18 0.19 0.19 0.00 25.80 0.00 3,321 34.06 0.19 0.19 0.00 26.40 0.00 2,912 33.94 0.19 0.19 0.00 27.00 0.00 2,510 33.82 0.18 0.18 0.00 27.60 0.00 2,116 33.69 0.18 0.18 0.00 Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 173HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Discharge for Pond 2AP: Grassed Swale Leaching - M2 Elevation (feet) Discharge (cfs) Discarded (cfs) Secondary (cfs) 33.00 0.00 0.00 0.00 33.02 0.16 0.16 0.00 33.04 0.16 0.16 0.00 33.06 0.16 0.16 0.00 33.08 0.16 0.16 0.00 33.10 0.16 0.16 0.00 33.12 0.16 0.16 0.00 33.14 0.17 0.17 0.00 33.16 0.17 0.17 0.00 33.18 0.17 0.17 0.00 33.20 0.17 0.17 0.00 33.22 0.17 0.17 0.00 33.24 0.17 0.17 0.00 33.26 0.17 0.17 0.00 33.28 0.17 0.17 0.00 33.30 0.17 0.17 0.00 33.32 0.17 0.17 0.00 33.34 0.17 0.17 0.00 33.36 0.17 0.17 0.00 33.38 0.17 0.17 0.00 33.40 0.17 0.17 0.00 33.42 0.17 0.17 0.00 33.44 0.17 0.17 0.00 33.46 0.17 0.17 0.00 33.48 0.17 0.17 0.00 33.50 0.18 0.18 0.00 33.52 0.18 0.18 0.00 33.54 0.18 0.18 0.00 33.56 0.18 0.18 0.00 33.58 0.18 0.18 0.00 33.60 0.18 0.18 0.00 33.62 0.18 0.18 0.00 33.64 0.18 0.18 0.00 33.66 0.18 0.18 0.00 33.68 0.18 0.18 0.00 33.70 0.18 0.18 0.00 33.72 0.18 0.18 0.00 33.74 0.18 0.18 0.00 33.76 0.18 0.18 0.00 33.78 0.18 0.18 0.00 33.80 0.18 0.18 0.00 33.82 0.18 0.18 0.00 33.84 0.18 0.18 0.00 33.86 0.19 0.19 0.00 33.88 0.19 0.19 0.00 33.90 0.19 0.19 0.00 33.92 0.19 0.19 0.00 33.94 0.19 0.19 0.00 33.96 0.19 0.19 0.00 33.98 0.19 0.19 0.00 34.00 0.19 0.19 0.00 34.02 0.19 0.19 0.00 Elevation (feet) Discharge (cfs) Discarded (cfs) Secondary (cfs) 34.04 0.19 0.19 0.00 34.06 0.19 0.19 0.00 34.08 0.19 0.19 0.00 34.10 0.19 0.19 0.00 34.12 0.19 0.19 0.00 34.14 0.19 0.19 0.00 34.16 0.19 0.19 0.00 34.18 0.19 0.19 0.00 34.20 0.20 0.20 0.00 34.22 0.20 0.20 0.00 34.24 0.20 0.20 0.00 34.26 0.20 0.20 0.00 34.28 0.20 0.20 0.00 34.30 0.20 0.20 0.00 34.32 0.20 0.20 0.00 34.34 0.20 0.20 0.00 34.36 0.20 0.20 0.00 34.38 0.20 0.20 0.00 34.40 0.20 0.20 0.00 34.42 0.20 0.20 0.00 34.44 0.20 0.20 0.00 34.46 0.20 0.20 0.00 34.48 0.20 0.20 0.00 34.50 0.20 0.20 0.00 34.52 0.28 0.20 0.07 34.54 0.41 0.21 0.21 34.56 0.59 0.21 0.38 34.58 0.80 0.21 0.59 34.60 1.03 0.21 0.83 34.62 1.30 0.21 1.09 34.64 1.58 0.21 1.37 34.66 1.88 0.21 1.67 34.68 2.21 0.21 2.00 34.70 2.55 0.21 2.34 34.72 2.91 0.21 2.70 34.74 3.29 0.21 3.08 34.76 3.68 0.21 3.47 34.78 4.09 0.21 3.88 34.80 4.51 0.21 4.30 34.82 4.95 0.21 4.74 34.84 5.40 0.21 5.19 34.86 5.87 0.22 5.65 34.88 6.34 0.22 6.13 34.90 6.83 0.22 6.62 34.92 7.34 0.22 7.12 34.94 7.85 0.22 7.64 34.96 8.38 0.22 8.16 34.98 8.92 0.22 8.70 35.00 9.47 0.22 9.25 Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 174HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 2AP: Grassed Swale Leaching - M2 Elevation (feet) Surface (sq-ft) Wetted (sq-ft) Storage (cubic-feet) 33.00 2,890 2,890 0 33.02 2,899 2,900 58 33.04 2,907 2,910 116 33.06 2,916 2,920 174 33.08 2,925 2,930 233 33.10 2,934 2,940 291 33.12 2,943 2,950 350 33.14 2,951 2,959 409 33.16 2,960 2,969 468 33.18 2,969 2,979 527 33.20 2,978 2,989 587 33.22 2,987 2,999 646 33.24 2,996 3,009 706 33.26 3,004 3,019 766 33.28 3,013 3,029 826 33.30 3,022 3,040 887 33.32 3,031 3,050 947 33.34 3,040 3,060 1,008 33.36 3,049 3,070 1,069 33.38 3,058 3,080 1,130 33.40 3,067 3,090 1,191 33.42 3,076 3,100 1,253 33.44 3,085 3,110 1,314 33.46 3,094 3,120 1,376 33.48 3,103 3,130 1,438 33.50 3,112 3,141 1,500 33.52 3,121 3,151 1,563 33.54 3,130 3,161 1,625 33.56 3,139 3,171 1,688 33.58 3,148 3,181 1,751 33.60 3,158 3,192 1,814 33.62 3,167 3,202 1,877 33.64 3,176 3,212 1,940 33.66 3,185 3,222 2,004 33.68 3,194 3,233 2,068 33.70 3,203 3,243 2,132 33.72 3,213 3,253 2,196 33.74 3,222 3,263 2,260 33.76 3,231 3,274 2,325 33.78 3,240 3,284 2,389 33.80 3,249 3,294 2,454 33.82 3,259 3,305 2,519 33.84 3,268 3,315 2,585 33.86 3,277 3,325 2,650 33.88 3,287 3,336 2,716 33.90 3,296 3,346 2,782 33.92 3,305 3,357 2,848 33.94 3,314 3,367 2,914 33.96 3,324 3,377 2,980 33.98 3,333 3,388 3,047 34.00 3,343 3,398 3,114 34.02 3,352 3,409 3,180 Elevation (feet) Surface (sq-ft) Wetted (sq-ft) Storage (cubic-feet) 34.04 3,361 3,419 3,248 34.06 3,371 3,430 3,315 34.08 3,380 3,440 3,382 34.10 3,390 3,451 3,450 34.12 3,399 3,461 3,518 34.14 3,409 3,472 3,586 34.16 3,418 3,482 3,654 34.18 3,428 3,493 3,723 34.20 3,437 3,503 3,791 34.22 3,447 3,514 3,860 34.24 3,456 3,524 3,929 34.26 3,466 3,535 3,999 34.28 3,475 3,546 4,068 34.30 3,485 3,556 4,138 34.32 3,494 3,567 4,207 34.34 3,504 3,577 4,277 34.36 3,514 3,588 4,347 34.38 3,523 3,599 4,418 34.40 3,533 3,609 4,488 34.42 3,542 3,620 4,559 34.44 3,552 3,631 4,630 34.46 3,562 3,641 4,701 34.48 3,571 3,652 4,773 34.50 3,581 3,663 4,844 34.52 3,591 3,674 4,916 34.54 3,601 3,684 4,988 34.56 3,610 3,695 5,060 34.58 3,620 3,706 5,132 34.60 3,630 3,717 5,205 34.62 3,640 3,727 5,277 34.64 3,649 3,738 5,350 34.66 3,659 3,749 5,423 34.68 3,669 3,760 5,497 34.70 3,679 3,771 5,570 34.72 3,689 3,781 5,644 34.74 3,699 3,792 5,718 34.76 3,708 3,803 5,792 34.78 3,718 3,814 5,866 34.80 3,728 3,825 5,940 34.82 3,738 3,836 6,015 34.84 3,748 3,847 6,090 34.86 3,758 3,858 6,165 34.88 3,768 3,868 6,240 34.90 3,778 3,879 6,316 34.92 3,788 3,890 6,391 34.94 3,798 3,901 6,467 34.96 3,808 3,912 6,543 34.98 3,818 3,923 6,620 35.00 3,828 3,934 6,696 Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 175HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Pond 2AR: (7) CB's in Pavement Inflow Area = 2.888 ac, 25.63% Impervious, Inflow Depth = 2.13" for 100-year event Inflow = 6.30 cfs @ 12.12 hrs, Volume= 0.512 af Outflow = 6.30 cfs @ 12.12 hrs, Volume= 0.512 af, Atten= 0%, Lag= 0.0 min Primary = 6.30 cfs @ 12.12 hrs, Volume= 0.512 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Peak Elev= 36.26' @ 12.12 hrs Flood Elev= 38.20' Device Routing Invert Outlet Devices #1 Primary 35.70'12.0" Round Culvert X 7.00 L= 50.0' CPP, projecting, no headwall, Ke= 0.900 Inlet / Outlet Invert= 35.70' / 35.00' S= 0.0140 '/' Cc= 0.900 n= 0.020 Corrugated PE, corrugated interior, Flow Area= 0.79 sf Primary OutFlow Max=6.28 cfs @ 12.12 hrs HW=36.26' TW=34.14' (Dynamic Tailwater) 1=Culvert (Inlet Controls 6.28 cfs @ 2.00 fps) Pond 2AR: (7) CB's in Pavement Inflow Primary Hydrograph Time (hours) 26242220181614121086420Flow (cfs)7 6 5 4 3 2 1 0 Inflow Area=2.888 ac Peak Elev=36.26' 12.0" Round Culvert x 7.00 n=0.020 L=50.0' S=0.0140 '/' 6.30 cfs 6.30 cfs Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 176HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Pond 2AR: (7) CB's in Pavement Primary Stage-Discharge Discharge (cfs) 26242220181614121086420Elevation (feet)38 37 36 Culvert Pond 2AR: (7) CB's in Pavement Storage Stage-Area-Storage Storage (cubic-feet) 0Elevation (feet)38 37 36 Flood Elevation Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 177HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Pond 2AR: (7) CB's in Pavement Time (hours) Inflow (cfs) Elevation (feet) Primary (cfs) 0.00 0.00 35.70 0.00 0.30 0.00 35.70 0.00 0.60 0.00 35.70 0.00 0.90 0.00 35.70 0.00 1.20 0.00 35.70 0.00 1.50 0.00 35.70 0.00 1.80 0.00 35.70 0.00 2.10 0.00 35.70 0.00 2.40 0.00 35.70 0.00 2.70 0.00 35.70 0.00 3.00 0.00 35.70 0.00 3.30 0.00 35.70 0.00 3.60 0.00 35.70 0.00 3.90 0.00 35.70 0.00 4.20 0.00 35.70 0.00 4.50 0.00 35.70 0.00 4.80 0.00 35.70 0.00 5.10 0.00 35.70 0.00 5.40 0.00 35.70 0.00 5.70 0.00 35.70 0.00 6.00 0.00 35.70 0.00 6.30 0.00 35.70 0.00 6.60 0.00 35.70 0.00 6.90 0.00 35.70 0.00 7.20 0.00 35.70 0.00 7.50 0.00 35.70 0.00 7.80 0.00 35.70 0.00 8.10 0.00 35.70 0.00 8.40 0.00 35.70 0.00 8.70 0.00 35.70 0.00 9.00 0.00 35.70 0.00 9.30 0.00 35.70 0.00 9.60 0.00 35.70 0.00 9.90 0.00 35.70 0.00 10.20 0.00 35.70 0.00 10.50 0.00 35.70 0.00 10.80 0.00 35.70 0.00 11.10 0.02 35.73 0.02 11.40 0.11 35.77 0.11 11.70 0.46 35.84 0.46 12.00 2.77 36.05 2.77 12.30 3.63 36.11 3.63 12.60 1.42 35.95 1.42 12.90 0.97 35.91 0.97 13.20 0.77 35.88 0.77 13.50 0.70 35.88 0.70 13.80 0.63 35.87 0.63 14.10 0.56 35.86 0.56 14.40 0.53 35.85 0.53 14.70 0.49 35.85 0.49 15.00 0.46 35.84 0.46 15.30 0.42 35.84 0.42 Time (hours) Inflow (cfs) Elevation (feet) Primary (cfs) 15.60 0.38 35.83 0.38 15.90 0.35 35.83 0.35 16.20 0.31 35.82 0.31 16.50 0.30 35.82 0.30 16.80 0.28 35.81 0.28 17.10 0.26 35.81 0.26 17.40 0.24 35.81 0.24 17.70 0.23 35.80 0.23 18.00 0.21 35.80 0.21 18.30 0.20 35.80 0.20 18.60 0.19 35.79 0.19 18.90 0.19 35.79 0.19 19.20 0.18 35.79 0.18 19.50 0.18 35.79 0.18 19.80 0.17 35.79 0.17 20.10 0.17 35.79 0.17 20.40 0.16 35.79 0.16 20.70 0.16 35.79 0.16 21.00 0.16 35.79 0.16 21.30 0.15 35.78 0.15 21.60 0.15 35.78 0.15 21.90 0.14 35.78 0.14 22.20 0.14 35.78 0.14 22.50 0.14 35.78 0.14 22.80 0.13 35.78 0.13 23.10 0.13 35.78 0.13 23.40 0.12 35.78 0.12 23.70 0.12 35.78 0.12 24.00 0.11 35.77 0.11 24.30 0.00 35.71 0.00 24.60 0.00 35.70 0.00 24.90 0.00 35.70 0.00 25.20 0.00 35.70 0.00 25.50 0.00 35.70 0.00 25.80 0.00 35.70 0.00 26.10 0.00 35.70 0.00 26.40 0.00 35.70 0.00 26.70 0.00 35.70 0.00 27.00 0.00 35.70 0.00 27.30 0.00 35.70 0.00 27.60 0.00 35.70 0.00 27.90 0.00 35.70 0.00 Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 178HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Discharge for Pond 2AR: (7) CB's in Pavement Elevation (feet) Primary (cfs) 35.70 0.00 35.71 0.00 35.72 0.01 35.73 0.02 35.74 0.03 35.75 0.05 35.76 0.07 35.77 0.10 35.78 0.13 35.79 0.17 35.80 0.22 35.81 0.26 35.82 0.32 35.83 0.37 35.84 0.44 35.85 0.50 35.86 0.57 35.87 0.65 35.88 0.73 35.89 0.81 35.90 0.90 35.91 1.00 35.92 1.10 35.93 1.20 35.94 1.30 35.95 1.41 35.96 1.53 35.97 1.65 35.98 1.77 35.99 1.89 36.00 2.02 36.01 2.16 36.02 2.29 36.03 2.43 36.04 2.58 36.05 2.72 36.06 2.87 36.07 3.02 36.08 3.18 36.09 3.33 36.10 3.49 36.11 3.65 36.12 3.82 36.13 3.98 36.14 4.15 36.15 4.33 36.16 4.50 36.17 4.68 36.18 4.86 36.19 5.04 36.20 5.22 36.21 5.41 Elevation (feet) Primary (cfs) 36.22 5.60 36.23 5.79 36.24 5.98 36.25 6.18 36.26 6.37 36.27 6.57 36.28 6.77 36.29 6.97 36.30 7.17 36.31 7.37 36.32 7.58 36.33 7.78 36.34 7.99 36.35 8.20 36.36 8.41 36.37 8.61 36.38 8.82 36.39 9.03 36.40 9.24 36.41 9.45 36.42 9.67 36.43 9.88 36.44 10.09 36.45 10.30 36.46 10.51 36.47 10.71 36.48 10.92 36.49 11.13 36.50 11.34 36.51 11.54 36.52 11.74 36.53 11.95 36.54 12.15 36.55 12.34 36.56 12.54 36.57 12.73 36.58 12.92 36.59 13.11 36.60 13.29 36.61 13.47 36.62 13.64 36.63 13.81 36.64 13.98 36.65 14.13 36.66 14.28 36.67 14.43 36.68 14.56 36.69 14.68 36.70 14.78 36.71 14.92 36.72 15.07 36.73 15.21 Elevation (feet) Primary (cfs) 36.74 15.36 36.75 15.50 36.76 15.64 36.77 15.78 36.78 15.92 36.79 16.05 36.80 16.19 36.81 16.32 36.82 16.46 36.83 16.59 36.84 16.72 36.85 16.85 36.86 16.98 36.87 17.11 36.88 17.23 36.89 17.36 36.90 17.49 36.91 17.61 36.92 17.73 36.93 17.86 36.94 17.98 36.95 18.10 36.96 18.22 36.97 18.34 36.98 18.46 36.99 18.58 37.00 18.69 37.01 18.81 37.02 18.92 37.03 19.04 37.04 18.99 37.05 19.08 37.06 19.17 37.07 19.26 37.08 19.35 37.09 19.44 37.10 19.53 37.11 19.62 37.12 19.70 37.13 19.79 37.14 19.88 37.15 19.97 37.16 20.05 37.17 20.14 37.18 20.22 37.19 20.31 37.20 20.39 37.21 20.48 37.22 20.56 37.23 20.65 37.24 20.73 37.25 20.82 Elevation (feet) Primary (cfs) 37.26 20.90 37.27 20.98 37.28 21.06 37.29 21.15 37.30 21.23 37.31 21.31 37.32 21.39 37.33 21.47 37.34 21.55 37.35 21.63 37.36 21.71 37.37 21.79 37.38 21.87 37.39 21.95 37.40 22.03 37.41 22.11 37.42 22.19 37.43 22.26 37.44 22.34 37.45 22.42 37.46 22.50 37.47 22.57 37.48 22.65 37.49 22.73 37.50 22.80 37.51 22.88 37.52 22.95 37.53 23.03 37.54 23.10 37.55 23.18 37.56 23.25 37.57 23.33 37.58 23.40 37.59 23.48 37.60 23.55 37.61 23.62 37.62 23.70 37.63 23.77 37.64 23.84 37.65 23.92 37.66 23.99 37.67 24.06 37.68 24.13 37.69 24.20 37.70 24.27 37.71 24.35 37.72 24.42 37.73 24.49 37.74 24.56 37.75 24.63 37.76 24.70 37.77 24.77 Elevation (feet) Primary (cfs) 37.78 24.84 37.79 24.91 37.80 24.98 37.81 25.05 37.82 25.12 37.83 25.19 37.84 25.25 37.85 25.32 37.86 25.39 37.87 25.46 37.88 25.53 37.89 25.60 37.90 25.66 37.91 25.73 37.92 25.80 37.93 25.86 37.94 25.93 37.95 26.00 37.96 26.06 37.97 26.13 37.98 26.20 37.99 26.26 38.00 26.33 38.01 26.40 38.02 26.46 38.03 26.53 38.04 26.59 38.05 26.66 38.06 26.72 38.07 26.79 38.08 26.85 38.09 26.92 38.10 26.98 38.11 27.04 38.12 27.11 38.13 27.17 38.14 27.24 38.15 27.30 38.16 27.36 38.17 27.43 38.18 27.49 38.19 27.55 38.20 27.61 Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 179HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 2AR: (7) CB's in Pavement Elevation (feet) Storage (cubic-feet) 35.70 0 35.72 0 35.74 0 35.76 0 35.78 0 35.80 0 35.82 0 35.84 0 35.86 0 35.88 0 35.90 0 35.92 0 35.94 0 35.96 0 35.98 0 36.00 0 36.02 0 36.04 0 36.06 0 36.08 0 36.10 0 36.12 0 36.14 0 36.16 0 36.18 0 36.20 0 36.22 0 36.24 0 36.26 0 36.28 0 36.30 0 36.32 0 36.34 0 36.36 0 36.38 0 36.40 0 36.42 0 36.44 0 36.46 0 36.48 0 36.50 0 36.52 0 36.54 0 36.56 0 36.58 0 36.60 0 36.62 0 36.64 0 36.66 0 36.68 0 36.70 0 36.72 0 Elevation (feet) Storage (cubic-feet) 36.74 0 36.76 0 36.78 0 36.80 0 36.82 0 36.84 0 36.86 0 36.88 0 36.90 0 36.92 0 36.94 0 36.96 0 36.98 0 37.00 0 37.02 0 37.04 0 37.06 0 37.08 0 37.10 0 37.12 0 37.14 0 37.16 0 37.18 0 37.20 0 37.22 0 37.24 0 37.26 0 37.28 0 37.30 0 37.32 0 37.34 0 37.36 0 37.38 0 37.40 0 37.42 0 37.44 0 37.46 0 37.48 0 37.50 0 37.52 0 37.54 0 37.56 0 37.58 0 37.60 0 37.62 0 37.64 0 37.66 0 37.68 0 37.70 0 37.72 0 37.74 0 37.76 0 Elevation (feet) Storage (cubic-feet) 37.78 0 37.80 0 37.82 0 37.84 0 37.86 0 37.88 0 37.90 0 37.92 0 37.94 0 37.96 0 37.98 0 38.00 0 38.02 0 38.04 0 38.06 0 38.08 0 38.10 0 38.12 0 38.14 0 38.16 0 38.18 0 38.20 0 Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 180HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Pond 2BP: (1) 70'x28' Leaching Facility - Two Rows of (5) 6'x6' Leach Pits, 14' O.C. with stone around Inflow = 4.13 cfs @ 12.31 hrs, Volume= 0.309 af Outflow = 0.58 cfs @ 13.92 hrs, Volume= 0.309 af, Atten= 86%, Lag= 96.8 min Discarded = 0.58 cfs @ 13.92 hrs, Volume= 0.309 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Peak Elev= 32.08' @ 13.92 hrs Surf.Area= 1,960 sf Storage= 5,663 cf Plug-Flow detention time= (not calculated: outflow precedes inflow) Center-of-Mass det. time= 118.1 min ( 939.2 - 821.2 ) Volume Invert Avail.Storage Storage Description #1 26.50' 4,396 cf 28.00'W x 70.00'L x 6.00'H Prismatoid 11,760 cf Overall - 1,991 cf Embedded = 9,769 cf x 45.0% Voids #2 26.50' 1,696 cf 6.00'D x 6.00'H Vertical Cone/Cylinder x 10 Inside #1 1,991 cf Overall - 3.0" Wall Thickness = 1,696 cf 6,093 cf Total Available Storage Device Routing Invert Outlet Devices #1 Discarded 26.50'8.270 in/hr Exfiltration over Wetted area Phase-In= 0.01' Discarded OutFlow Max=0.58 cfs @ 13.92 hrs HW=32.08' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.58 cfs) Pond 2BP: (1) 70'x28' Leaching Facility - Two Rows of (5) 6'x6' Leach Pits, 14' O.C. with stone around Inflow Discarded Hydrograph Time (hours) 26242220181614121086420Flow (cfs)4 3 2 1 0 Peak Elev=32.08' Storage=5,663 cf 4.13 cfs 0.58 cfs Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 181HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Pond 2BP: (1) 70'x28' Leaching Facility - Two Rows of (5) 6'x6' Leach Pits, 14' O.C. with stone around Discarded Stage-Discharge Discharge (cfs) 0.60.580.560.540.520.50.480.460.440.420.40.380.360.340.320.30.280.260.240.220.20.180.160.140.120.10.080.060.040.020Elevation (feet)32 31 30 29 28 27 Exfiltration Pond 2BP: (1) 70'x28' Leaching Facility - Two Rows of (5) 6'x6' Leach Pits, 14' O.C. with stone around Wetted Storage Stage-Area-Storage Storage (cubic-feet) 6,0005,0004,0003,0002,0001,0000 Surface/Horizontal/Wetted Area (sq-ft) 3,0002,8002,6002,4002,2002,0001,8001,6001,4001,2001,0008006004002000 Elevation (feet)32 31 30 29 28 27 Prismatoid + Vertical Cone/Cylinder Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 182HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Pond 2BP: (1) 70'x28' Leaching Facility - Two Rows of (5) 6'x6' Leach Pits, 14' O.C. with stone around Time (hours) Inflow (cfs) Storage (cubic-feet) Elevation (feet) Discarded (cfs) 0.00 0.00 0 26.50 0.00 0.30 0.00 0 26.50 0.00 0.60 0.00 0 26.50 0.00 0.90 0.00 0 26.50 0.00 1.20 0.00 0 26.50 0.00 1.50 0.00 0 26.50 0.00 1.80 0.00 0 26.50 0.00 2.10 0.00 0 26.50 0.00 2.40 0.00 0 26.50 0.00 2.70 0.00 0 26.50 0.00 3.00 0.00 0 26.50 0.00 3.30 0.00 0 26.50 0.00 3.60 0.00 0 26.50 0.00 3.90 0.00 0 26.50 0.00 4.20 0.00 0 26.50 0.00 4.50 0.00 0 26.50 0.00 4.80 0.00 0 26.50 0.00 5.10 0.00 0 26.50 0.00 5.40 0.00 0 26.50 0.00 5.70 0.00 0 26.50 0.00 6.00 0.00 0 26.50 0.00 6.30 0.00 0 26.50 0.00 6.60 0.00 0 26.50 0.00 6.90 0.00 0 26.50 0.00 7.20 0.00 0 26.50 0.00 7.50 0.00 0 26.50 0.00 7.80 0.00 0 26.50 0.00 8.10 0.00 0 26.50 0.00 8.40 0.00 0 26.50 0.00 8.70 0.00 0 26.50 0.00 9.00 0.00 0 26.50 0.00 9.30 0.00 0 26.50 0.00 9.60 0.00 0 26.50 0.00 9.90 0.00 0 26.50 0.00 10.20 0.00 0 26.50 0.00 10.50 0.00 0 26.50 0.00 10.80 0.00 0 26.50 0.00 11.10 0.00 0 26.50 0.00 11.40 0.00 0 26.50 0.00 11.70 0.00 0 26.50 0.00 12.00 0.00 0 26.50 0.00 12.30 4.12 1,109 27.59 0.42 12.60 2.01 4,083 30.52 0.53 12.90 1.09 5,002 31.43 0.56 13.20 0.80 5,394 31.81 0.57 13.50 0.70 5,573 31.99 0.58 13.80 0.62 5,656 32.07 0.58 14.10 0.53 5,647 32.06 0.58 14.40 0.48 5,561 31.98 0.58 14.70 0.44 5,430 31.85 0.58 15.00 0.39 5,259 31.68 0.57 15.30 0.35 5,049 31.47 0.56 Time (hours) Inflow (cfs) Storage (cubic-feet) Elevation (feet) Discarded (cfs) 15.60 0.30 4,799 31.23 0.55 15.90 0.25 4,509 30.94 0.54 16.20 0.21 4,179 30.62 0.53 16.50 0.18 3,825 30.27 0.52 16.80 0.16 3,461 29.91 0.50 17.10 0.14 3,088 29.54 0.49 17.40 0.12 2,707 29.17 0.48 17.70 0.10 2,319 28.78 0.46 18.00 0.08 1,923 28.39 0.45 18.30 0.06 1,520 28.00 0.43 18.60 0.05 1,119 27.60 0.42 18.90 0.04 726 27.22 0.40 19.20 0.04 342 26.84 0.39 19.50 0.03 0 26.50 0.00 19.80 0.02 1 26.50 0.02 20.10 0.02 0 26.50 0.02 20.40 0.01 0 26.50 0.01 20.70 0.01 0 26.50 0.01 21.00 0.00 0 26.50 0.00 21.30 0.00 0 26.50 0.00 21.60 0.00 0 26.50 0.00 21.90 0.00 0 26.50 0.00 22.20 0.00 0 26.50 0.00 22.50 0.00 0 26.50 0.00 22.80 0.00 0 26.50 0.00 23.10 0.00 0 26.50 0.00 23.40 0.00 0 26.50 0.00 23.70 0.00 0 26.50 0.00 24.00 0.00 0 26.50 0.00 24.30 0.00 0 26.50 0.00 24.60 0.00 0 26.50 0.00 24.90 0.00 0 26.50 0.00 25.20 0.00 0 26.50 0.00 25.50 0.00 0 26.50 0.00 25.80 0.00 0 26.50 0.00 26.10 0.00 0 26.50 0.00 26.40 0.00 0 26.50 0.00 26.70 0.00 0 26.50 0.00 27.00 0.00 0 26.50 0.00 27.30 0.00 0 26.50 0.00 27.60 0.00 0 26.50 0.00 27.90 0.00 0 26.50 0.00 Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 183HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Discharge for Pond 2BP: (1) 70'x28' Leaching Facility - Two Rows of (5) 6'x6' Leach Pits, 14' O.C. with stone around Elevation (feet) Discarded (cfs) 26.50 0.00 26.54 0.38 26.58 0.38 26.62 0.38 26.66 0.38 26.70 0.38 26.74 0.38 26.78 0.39 26.82 0.39 26.86 0.39 26.90 0.39 26.94 0.39 26.98 0.39 27.02 0.39 27.06 0.40 27.10 0.40 27.14 0.40 27.18 0.40 27.22 0.40 27.26 0.40 27.30 0.41 27.34 0.41 27.38 0.41 27.42 0.41 27.46 0.41 27.50 0.41 27.54 0.41 27.58 0.42 27.62 0.42 27.66 0.42 27.70 0.42 27.74 0.42 27.78 0.42 27.82 0.42 27.86 0.43 27.90 0.43 27.94 0.43 27.98 0.43 28.02 0.43 28.06 0.43 28.10 0.44 28.14 0.44 28.18 0.44 28.22 0.44 28.26 0.44 28.30 0.44 28.34 0.44 28.38 0.45 28.42 0.45 28.46 0.45 28.50 0.45 28.54 0.45 Elevation (feet) Discarded (cfs) 28.58 0.45 28.62 0.45 28.66 0.46 28.70 0.46 28.74 0.46 28.78 0.46 28.82 0.46 28.86 0.46 28.90 0.47 28.94 0.47 28.98 0.47 29.02 0.47 29.06 0.47 29.10 0.47 29.14 0.47 29.18 0.48 29.22 0.48 29.26 0.48 29.30 0.48 29.34 0.48 29.38 0.48 29.42 0.48 29.46 0.49 29.50 0.49 29.54 0.49 29.58 0.49 29.62 0.49 29.66 0.49 29.70 0.50 29.74 0.50 29.78 0.50 29.82 0.50 29.86 0.50 29.90 0.50 29.94 0.50 29.98 0.51 30.02 0.51 30.06 0.51 30.10 0.51 30.14 0.51 30.18 0.51 30.22 0.51 30.26 0.52 30.30 0.52 30.34 0.52 30.38 0.52 30.42 0.52 30.46 0.52 30.50 0.53 30.54 0.53 30.58 0.53 30.62 0.53 Elevation (feet) Discarded (cfs) 30.66 0.53 30.70 0.53 30.74 0.53 30.78 0.54 30.82 0.54 30.86 0.54 30.90 0.54 30.94 0.54 30.98 0.54 31.02 0.54 31.06 0.55 31.10 0.55 31.14 0.55 31.18 0.55 31.22 0.55 31.26 0.55 31.30 0.56 31.34 0.56 31.38 0.56 31.42 0.56 31.46 0.56 31.50 0.56 31.54 0.56 31.58 0.57 31.62 0.57 31.66 0.57 31.70 0.57 31.74 0.57 31.78 0.57 31.82 0.57 31.86 0.58 31.90 0.58 31.94 0.58 31.98 0.58 32.02 0.58 32.06 0.58 32.10 0.59 32.14 0.59 32.18 0.59 32.22 0.59 32.26 0.59 32.30 0.59 32.34 0.59 32.38 0.60 32.42 0.60 32.46 0.60 32.50 0.60 Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 184HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 2BP: (1) 70'x28' Leaching Facility - Two Rows of (5) 6'x6' Leach Pits, 14' O.C. with stone around Elevation (feet) Wetted (sq-ft) Storage (cubic-feet) 26.50 1,960 0 26.60 1,980 102 26.70 1,999 203 26.80 2,019 305 26.90 2,038 406 27.00 2,058 508 27.10 2,078 609 27.20 2,097 711 27.30 2,117 812 27.40 2,136 914 27.50 2,156 1,015 27.60 2,176 1,117 27.70 2,195 1,219 27.80 2,215 1,320 27.90 2,234 1,422 28.00 2,254 1,523 28.10 2,274 1,625 28.20 2,293 1,726 28.30 2,313 1,828 28.40 2,332 1,929 28.50 2,352 2,031 28.60 2,372 2,132 28.70 2,391 2,234 28.80 2,411 2,335 28.90 2,430 2,437 29.00 2,450 2,539 29.10 2,470 2,640 29.20 2,489 2,742 29.30 2,509 2,843 29.40 2,528 2,945 29.50 2,548 3,046 29.60 2,568 3,148 29.70 2,587 3,249 29.80 2,607 3,351 29.90 2,626 3,452 30.00 2,646 3,554 30.10 2,666 3,656 30.20 2,685 3,757 30.30 2,705 3,859 30.40 2,724 3,960 30.50 2,744 4,062 30.60 2,764 4,163 30.70 2,783 4,265 30.80 2,803 4,366 30.90 2,822 4,468 31.00 2,842 4,569 31.10 2,862 4,671 31.20 2,881 4,772 31.30 2,901 4,874 31.40 2,920 4,976 31.50 2,940 5,077 31.60 2,960 5,179 Elevation (feet) Wetted (sq-ft) Storage (cubic-feet) 31.70 2,979 5,280 31.80 2,999 5,382 31.90 3,018 5,483 32.00 3,038 5,585 32.10 3,058 5,686 32.20 3,077 5,788 32.30 3,097 5,889 32.40 3,116 5,991 32.50 3,136 6,093 Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 185HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Summary for Pond 3P: (2) 15.5' x 4.33' x 2.5' Leaching Facilities (per Dwelling) - Each with (2) Cultec Recharger 330XLHD Units (Stoneless) Inflow Area = 0.030 ac,100.00% Impervious, Inflow Depth = 7.07" for 100-year event Inflow = 0.21 cfs @ 12.08 hrs, Volume= 0.017 af Outflow = 0.04 cfs @ 12.54 hrs, Volume= 0.017 af, Atten= 83%, Lag= 27.2 min Discarded = 0.04 cfs @ 12.54 hrs, Volume= 0.017 af Routing by Dyn-Stor-Ind method, Time Span= 0.00-27.99 hrs, dt= 0.03 hrs Peak Elev= 51.96' @ 12.54 hrs Surf.Area= 71 sf Storage= 210 cf Plug-Flow detention time= 36.9 min calculated for 0.017 af (100% of inflow) Center-of-Mass det. time= 36.9 min ( 779.3 - 742.4 ) Volume Invert Avail.Storage Storage Description #1 50.00' 231 cf Cultec R-330XLHD x 4 Effective Size= 47.8"W x 30.0"H => 7.45 sf x 7.00'L = 52.2 cf Overall Size= 52.0"W x 30.5"H x 8.50'L with 1.50' Overlap Row Length Adjustment= +1.50' x 7.45 sf x 2 rows Device Routing Invert Outlet Devices #1 Discarded 50.00'8.270 in/hr Exfiltration over Wetted area Phase-In= 0.01' Discarded OutFlow Max=0.04 cfs @ 12.54 hrs HW=51.96' (Free Discharge) 1=Exfiltration (Exfiltration Controls 0.04 cfs) Pond 3P: (2) 15.5' x 4.33' x 2.5' Leaching Facilities (per Dwelling) - Each with (2) Cultec Recharger 330XLHD Units (Stoneless) Inflow Discarded Hydrograph Time (hours) 26242220181614121086420Flow (cfs)0.23 0.22 0.21 0.2 0.19 0.18 0.17 0.16 0.15 0.14 0.13 0.12 0.11 0.1 0.09 0.08 0.07 0.06 0.05 0.04 0.03 0.02 0.01 0 Inflow Area=0.030 ac Peak Elev=51.96' Storage=210 cf 0.21 cfs 0.04 cfs Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 186HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Pond 3P: (2) 15.5' x 4.33' x 2.5' Leaching Facilities (per Dwelling) - Each with (2) Cultec Recharger 330XLHD Units (Stoneless) Discarded Stage-Discharge Discharge (cfs) 0.040.0350.030.0250.020.0150.010.0050Elevation (feet)52 51 50 Exfiltration Pond 3P: (2) 15.5' x 4.33' x 2.5' Leaching Facilities (per Dwelling) - Each with (2) Cultec Recharger 330XLHD Units (Stoneless) Wetted Storage Stage-Area-Storage Storage (cubic-feet) 220200180160140120100806040200 Surface/Horizontal/Wetted Area (sq-ft) 220200180160140120100806040200 Elevation (feet)52 51 50 Cultec R-330XLHD Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 187HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Hydrograph for Pond 3P: (2) 15.5' x 4.33' x 2.5' Leaching Facilities (per Dwelling) - Each with (2) Cultec Recharger 330XLHD Units (Stoneless) Time (hours) Inflow (cfs) Storage (cubic-feet) Elevation (feet) Discarded (cfs) 0.00 0.00 0 50.00 0.00 0.30 0.00 0 50.00 0.00 0.60 0.00 0 50.00 0.00 0.90 0.00 0 50.00 0.00 1.20 0.00 0 50.00 0.00 1.50 0.00 0 50.00 0.00 1.80 0.00 0 50.00 0.00 2.10 0.00 0 50.00 0.00 2.40 0.00 0 50.00 0.00 2.70 0.00 0 50.00 0.00 3.00 0.00 0 50.00 0.00 3.30 0.00 0 50.00 0.00 3.60 0.00 0 50.00 0.00 3.90 0.00 0 50.00 0.00 4.20 0.00 0 50.00 0.00 4.50 0.00 0 50.00 0.00 4.80 0.00 0 50.00 0.00 5.10 0.00 0 50.00 0.00 5.40 0.00 0 50.00 0.00 5.70 0.00 0 50.00 0.00 6.00 0.00 0 50.00 0.00 6.30 0.00 0 50.00 0.00 6.60 0.00 0 50.00 0.00 6.90 0.00 0 50.00 0.00 7.20 0.00 0 50.00 0.00 7.50 0.00 0 50.00 0.00 7.80 0.01 0 50.00 0.01 8.10 0.01 0 50.00 0.01 8.40 0.01 0 50.00 0.01 8.70 0.01 0 50.00 0.01 9.00 0.01 0 50.00 0.01 9.30 0.01 0 50.00 0.01 9.60 0.01 0 50.00 0.01 9.90 0.01 1 50.00 0.01 10.20 0.01 1 50.00 0.01 10.50 0.01 1 50.01 0.01 10.80 0.01 1 50.01 0.01 11.10 0.02 1 50.01 0.02 11.40 0.02 1 50.01 0.02 11.70 0.05 7 50.06 0.02 12.00 0.13 64 50.53 0.03 12.30 0.08 190 51.71 0.03 12.60 0.03 209 51.95 0.04 12.90 0.02 195 51.77 0.04 13.20 0.02 176 51.56 0.03 13.50 0.01 156 51.36 0.03 13.80 0.01 137 51.17 0.03 14.10 0.01 116 50.99 0.03 14.40 0.01 96 50.81 0.03 14.70 0.01 76 50.63 0.03 15.00 0.01 56 50.46 0.03 15.30 0.01 37 50.30 0.03 Time (hours) Inflow (cfs) Storage (cubic-feet) Elevation (feet) Discarded (cfs) 15.60 0.01 18 50.15 0.02 15.90 0.01 0 50.00 0.01 16.20 0.01 0 50.00 0.01 16.50 0.01 0 50.00 0.01 16.80 0.00 0 50.00 0.00 17.10 0.00 0 50.00 0.00 17.40 0.00 0 50.00 0.00 17.70 0.00 0 50.00 0.00 18.00 0.00 0 50.00 0.00 18.30 0.00 0 50.00 0.00 18.60 0.00 0 50.00 0.00 18.90 0.00 0 50.00 0.00 19.20 0.00 0 50.00 0.00 19.50 0.00 0 50.00 0.00 19.80 0.00 0 50.00 0.00 20.10 0.00 0 50.00 0.00 20.40 0.00 0 50.00 0.00 20.70 0.00 0 50.00 0.00 21.00 0.00 0 50.00 0.00 21.30 0.00 0 50.00 0.00 21.60 0.00 0 50.00 0.00 21.90 0.00 0 50.00 0.00 22.20 0.00 0 50.00 0.00 22.50 0.00 0 50.00 0.00 22.80 0.00 0 50.00 0.00 23.10 0.00 0 50.00 0.00 23.40 0.00 0 50.00 0.00 23.70 0.00 0 50.00 0.00 24.00 0.00 0 50.00 0.00 24.30 0.00 0 50.00 0.00 24.60 0.00 0 50.00 0.00 24.90 0.00 0 50.00 0.00 25.20 0.00 0 50.00 0.00 25.50 0.00 0 50.00 0.00 25.80 0.00 0 50.00 0.00 26.10 0.00 0 50.00 0.00 26.40 0.00 0 50.00 0.00 26.70 0.00 0 50.00 0.00 27.00 0.00 0 50.00 0.00 27.30 0.00 0 50.00 0.00 27.60 0.00 0 50.00 0.00 27.90 0.00 0 50.00 0.00 Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 188HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Discharge for Pond 3P: (2) 15.5' x 4.33' x 2.5' Leaching Facilities (per Dwelling) - Each with (2) Cultec Recharger 330XLHD Units (Stoneless) Elevation (feet) Discarded (cfs) 50.00 0.00 50.01 0.02 50.02 0.02 50.03 0.02 50.04 0.02 50.05 0.02 50.06 0.02 50.07 0.02 50.08 0.02 50.09 0.02 50.10 0.02 50.11 0.02 50.12 0.02 50.13 0.02 50.14 0.02 50.15 0.02 50.16 0.02 50.17 0.02 50.18 0.02 50.19 0.02 50.20 0.02 50.21 0.02 50.22 0.02 50.23 0.03 50.24 0.03 50.25 0.03 50.26 0.03 50.27 0.03 50.28 0.03 50.29 0.03 50.30 0.03 50.31 0.03 50.32 0.03 50.33 0.03 50.34 0.03 50.35 0.03 50.36 0.03 50.37 0.03 50.38 0.03 50.39 0.03 50.40 0.03 50.41 0.03 50.42 0.03 50.43 0.03 50.44 0.03 50.45 0.03 50.46 0.03 50.47 0.03 50.48 0.03 50.49 0.03 50.50 0.03 50.51 0.03 Elevation (feet) Discarded (cfs) 50.52 0.03 50.53 0.03 50.54 0.03 50.55 0.03 50.56 0.03 50.57 0.03 50.58 0.03 50.59 0.03 50.60 0.03 50.61 0.03 50.62 0.03 50.63 0.03 50.64 0.03 50.65 0.03 50.66 0.03 50.67 0.03 50.68 0.03 50.69 0.03 50.70 0.03 50.71 0.03 50.72 0.03 50.73 0.03 50.74 0.03 50.75 0.03 50.76 0.03 50.77 0.03 50.78 0.03 50.79 0.03 50.80 0.03 50.81 0.03 50.82 0.03 50.83 0.03 50.84 0.03 50.85 0.03 50.86 0.03 50.87 0.03 50.88 0.03 50.89 0.03 50.90 0.03 50.91 0.03 50.92 0.03 50.93 0.03 50.94 0.03 50.95 0.03 50.96 0.03 50.97 0.03 50.98 0.03 50.99 0.03 51.00 0.03 51.01 0.03 51.02 0.03 51.03 0.03 Elevation (feet) Discarded (cfs) 51.04 0.03 51.05 0.03 51.06 0.03 51.07 0.03 51.08 0.03 51.09 0.03 51.10 0.03 51.11 0.03 51.12 0.03 51.13 0.03 51.14 0.03 51.15 0.03 51.16 0.03 51.17 0.03 51.18 0.03 51.19 0.03 51.20 0.03 51.21 0.03 51.22 0.03 51.23 0.03 51.24 0.03 51.25 0.03 51.26 0.03 51.27 0.03 51.28 0.03 51.29 0.03 51.30 0.03 51.31 0.03 51.32 0.03 51.33 0.03 51.34 0.03 51.35 0.03 51.36 0.03 51.37 0.03 51.38 0.03 51.39 0.03 51.40 0.03 51.41 0.03 51.42 0.03 51.43 0.03 51.44 0.03 51.45 0.03 51.46 0.03 51.47 0.03 51.48 0.03 51.49 0.03 51.50 0.03 51.51 0.03 51.52 0.03 51.53 0.03 51.54 0.03 51.55 0.03 Elevation (feet) Discarded (cfs) 51.56 0.03 51.57 0.03 51.58 0.03 51.59 0.03 51.60 0.03 51.61 0.03 51.62 0.03 51.63 0.03 51.64 0.03 51.65 0.03 51.66 0.03 51.67 0.03 51.68 0.03 51.69 0.03 51.70 0.03 51.71 0.03 51.72 0.03 51.73 0.03 51.74 0.03 51.75 0.03 51.76 0.04 51.77 0.04 51.78 0.04 51.79 0.04 51.80 0.04 51.81 0.04 51.82 0.04 51.83 0.04 51.84 0.04 51.85 0.04 51.86 0.04 51.87 0.04 51.88 0.04 51.89 0.04 51.90 0.04 51.91 0.04 51.92 0.04 51.93 0.04 51.94 0.04 51.95 0.04 51.96 0.04 51.97 0.04 51.98 0.04 51.99 0.04 52.00 0.04 52.01 0.04 52.02 0.04 52.03 0.04 52.04 0.04 52.05 0.04 52.06 0.04 52.07 0.04 Elevation (feet) Discarded (cfs) 52.08 0.04 52.09 0.04 52.10 0.04 52.11 0.04 52.12 0.04 52.13 0.04 52.14 0.04 52.15 0.04 52.16 0.04 52.17 0.04 52.18 0.04 52.19 0.04 52.20 0.04 52.21 0.04 52.22 0.04 52.23 0.04 52.24 0.04 52.25 0.04 52.26 0.04 52.27 0.04 52.28 0.04 52.29 0.04 52.30 0.04 52.31 0.04 52.32 0.04 52.33 0.04 52.34 0.04 52.35 0.04 52.36 0.04 52.37 0.04 52.38 0.04 52.39 0.04 52.40 0.04 52.41 0.04 52.42 0.04 52.43 0.04 52.44 0.04 52.45 0.04 52.46 0.04 52.47 0.04 52.48 0.04 52.49 0.04 52.50 0.04 Type III 24-hr 100-year Rainfall=7.31"8807.Recharge(10.19.22) Printed 10/24/2022Prepared by J.M. O'Reilly & Associates, Inc. Page 189HydroCAD® 10.00-22 s/n 08678 © 2018 HydroCAD Software Solutions LLC Stage-Area-Storage for Pond 3P: (2) 15.5' x 4.33' x 2.5' Leaching Facilities (per Dwelling) - Each with (2) Cultec Recharger 330XLHD Units (Stoneless) Elevation (feet) Wetted (sq-ft) Storage (cubic-feet) 50.00 124 0 50.05 125 6 50.10 127 12 50.15 128 18 50.20 130 24 50.25 131 30 50.30 133 37 50.35 134 43 50.40 136 49 50.45 138 55 50.50 139 61 50.55 141 66 50.60 142 72 50.65 144 78 50.70 146 84 50.75 148 90 50.80 149 95 50.85 151 101 50.90 152 107 50.95 154 112 51.00 155 118 51.05 157 123 51.10 158 129 51.15 160 134 51.20 162 140 51.25 163 145 51.30 165 151 51.35 167 156 51.40 169 161 51.45 171 166 51.50 173 171 51.55 175 175 51.60 177 180 51.65 179 185 51.70 181 189 51.75 183 193 51.80 185 197 51.85 187 201 51.90 189 205 51.95 192 209 52.00 194 212 52.05 197 216 52.10 200 219 52.15 203 222 52.20 207 224 52.25 211 226 52.30 215 228 52.35 219 229 52.40 223 230 52.45 227 231 52.50 232 231