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HomeMy WebLinkAbout23 Iroquois Blvd - Septic System 2GENERAL NOTES: I. THIS PLAN IS FOR THE DESIGN AND CONSTRUCTION OF THE SEWAGE DISPOSAL SYSTEM ONLY. 2. VERTICAL DATUM IS ASSUMED. FOR BENCH MARKS SET. SEE $1 TE PLAN. J. ALL CONSTRUCTION METHODS AND MATERIALS AND MAINTENANCE OF THE SEPTIC SYSTEM SHALL CONFORM TO MASS. D.E.P. TITLE 5 AND LOCAL BOARD OF HEALTH REGULATIONS. 4. ALL SEPTIC SYSTEM COMPONENTS LOCATED UNDER AREAS SUBJECT TO VEHICULAR TRAFFIC OR GREATER THAN 3' IN DEPTH SHALL BE CAPABLE OF WITH- STANDING H-20 WHEEL LOADS, 5, ALL SEWER PIPE SHALL BE SCHEDULE 40 OR APPROVED EQUAL. 6. SEPTIC TANK AND D -BOX SHALL BE REINFORCED PRECAST CONCRETE AND WATERTIGHT. 7. EXISTING INVERT AT THE BUILDING TO BE RAISED TO THE ELEVATION SHOWN. 8. BEFORE CONSTRUCTION CALL -DIG-SAFE'. 1 -888 -DIG -SAFE AND THE LOCAL WATER DEPT. FOR LOCATION OF UNDERGROUND UTILITIES. 9. EXISTING CESSPOOL TO BE PUMPED DRY AND BACKFILLED. 10. ALL UNSUITABLE MATERIAL (A 6 8 HORIZONS) ENCOUNTERED BELOW THE INVERT OF THE LEACHING FACILITY TO BE REMOVED FOR A DISTANCE OF S' AROUND AND REPLACED WITH SAND IN ACCORDANCE WITH TITLE 5. 1/. THE ENTIRE LOT FALLS WITHIN FLOOD ZONE P. VARIANCES REQUIRED: MAXIMUM FEASIBLE COMPL1A) 15.212:(6) DEPTH To GROUNDWATER. S' IS REQUIRED BETWEEN BOTTOM OF SAS AND HIGH GROUNDWATER. 4' IS PROVIDED. r r - r i �i l I CATCH eASIR RIM-". 85 DESIGN CRITERIA: DESIGN FLOW: 3 BEDROOMS AT I10 G.P.D. PER BEDROOM EQUALS 330 G.P.D. NO GARBAGE GRINDER SEPTIC TANK REOUIRED: 330 G.P.D. X 2002 - 660.GAL. SEPTIC TANK PROVIDED: 1500 GAL. MIN. SOIL ABSORPTION SYSTEM REQUIRED: DESIGN PERC RATE f 5 MIN/INCH SOIL TEXTURAL CLASS - I EFFLUENT LOADING RATE - 0.74 GPD/SF 330 GPD / 0.74 GPD/SF - 446 S.F. REQUIRED PROVIDED: 5 STANDARD INFILTRATOR CHAMBERS W/4'1 STONE AROUND. A-447 S.F. 447 S.F. x 0.74 - 331 GPD SOIL TEST PIT DA TA INDICATES_� INDICATES PERCOLATION _ OBSERVED TEST ? GROUNDWATER TP #1 0• HORIZON TEXTURE COLOR NVC R / ELEVATIONS: ACCESS COVERS MUST BE WITHINI 9' MINIMUM. A LOAMY IOYR 6' OF FINISH GRADE INVERT AT BUILDING: 102.37 33 FIRST 2' TO 3' MAXIMUM COVER INVERT IN SEPTIC TANK: 102.15 BE LEVE INVERT OUT SEPTIC TANK: SAND 4/6 ........................... ............... 1- 98.6 MIN 2: OF PEASTONE CI MED -COARSE 7.SYR _101.9 SAND 5/8 INVERT IN DIST-BOX: 101.87 4- DIA N PIPE 3/4' 1 I/2DIA. ' INVERT OUT DIST. BOX: /01.7 102.37 101.9 101,7 7• STONE INVERT IN LEACH CHAMBER: 101.68 102.15 GAS 101,87 b 101.68 %°"r�WASHED o f0 / BOTTOM LEACH CHAMBER: l0/./ BAF VAFFLE 3 OUTLET 5 STANDARD INFILTRATOR ADJUSTED GROUND WATER: 97.1 D -BOX CHA.WBERS W/3.5't STONE AROUND OBSERVED GROUND WATER: 95.4 1500 GAL 10'r X 38'1 X Vv 7'd BOTTOM OF TEST HOLE •l: 93,1 SEPTIC TANK CRUSHED STONE BASE INDEX WELL M1W 29. ZONE A MAY 99 READING -8.3'. ADJ-1. 7' PROFILE: Nor TO SCALE r r - r i �i l I CATCH eASIR RIM-". 85 DESIGN CRITERIA: DESIGN FLOW: 3 BEDROOMS AT I10 G.P.D. PER BEDROOM EQUALS 330 G.P.D. NO GARBAGE GRINDER SEPTIC TANK REOUIRED: 330 G.P.D. X 2002 - 660.GAL. SEPTIC TANK PROVIDED: 1500 GAL. MIN. SOIL ABSORPTION SYSTEM REQUIRED: DESIGN PERC RATE f 5 MIN/INCH SOIL TEXTURAL CLASS - I EFFLUENT LOADING RATE - 0.74 GPD/SF 330 GPD / 0.74 GPD/SF - 446 S.F. REQUIRED PROVIDED: 5 STANDARD INFILTRATOR CHAMBERS W/4'1 STONE AROUND. A-447 S.F. 447 S.F. x 0.74 - 331 GPD SOIL TEST PIT DA TA INDICATES_� INDICATES PERCOLATION _ OBSERVED TEST ? GROUNDWATER TP #1 0• HORIZON TEXTURE COLOR 100.1 A LOAMY IOYR SAND 3/p I1 ' .................................... 99.2 B LOAMY IOYR 18'- SAND 4/6 ........................... ............... 1- 98.6 CI MED -COARSE 7.SYR SAND 5/8 j' 42' 44-- 1....... ^ ....../ .........................: .- 96.4 CL F.EDIUM IOYR SAND 5/6 56'-- 95.4 84' NO WATER 93. ! DATE: MAY 18. 1999 TEST BY: STEPHEN HAAS WITNESSED BY: CHARLOTTE STIEF£L PERC RATE: C 2 M1NIINCH -=PT/C SYSTEM DE -S /GN 23 IROQUOIS BL l/O . W. EF S T YA R "O U T H. "A . / O/ P/�7- REPAREF O / L O/cR : V / OL- L Y SCAL E : / - 20 _/ UL Y e5. / 999 REVISED: AUGUST J. 1999 EAGLE SURVEYING, INC 923 Rout© 6A YarmoutFhport MA. 02675 ( 508 ) 362-8132 (SOB) 432-5333 L 0 _ 10 20 40