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HomeMy WebLinkAbout24 Crowell Road - Septic System Replacement PlanX,a.2s ^, X X _ 4:1 Sl 6 223.09' is - ----- 15.5 �" �h ti.e ................... : ... x Future Paved Drive r 16.0 -16.0 85 16.0 _ Q 4-1.8t :--:-- PT 22.0 14 c Z"�o 7 1 � E Reserve A � ; � rn CGS 28 �' FPT PT {6 1 6:1 s D1 1 20'@2'/2% 0 First Flooi 0 16.0 15.8 Q Extend Exist. Slope Elev. � - 70 Copper Water ervice _ - 1st O Elev.117.75 D Exist. l" Water Service : -I - - ---- Approx. Location _ New Underground T. E. & C. SeM- 13 extend-Ex1s _..-... Gas Service X X y ._ _� `_- 13 - ---------------- - a B.M. #1 Elev. 15.4__ - Nail in Utility Pole X 21$'.4 -------- �- B.M. #2 Elev. 13.6 __9 - � Top of Conc. Bound-> Cultec 410 Filter Fabric o..... -A ....- 15 �.. 14 • iso K 230.83' -Demolish Exist. Shed 0 10 20 30 40 Ll L-7 Scale in Feet Grading Plan Clean Granular Backfill or Sand Fill (3 10 CMR 15.255(3)) - %to I%Double Washed Stone q A IQ Cent, on 4" f i 00 riml DIA INSPECTION PORT REB 411 1 1 nTHAn INSTALLED 1 Z;lotlolololololololAlololol► Cultec Contractor Field Drain C-4 I)etail Deep Hole 11-1 Deep Hole 95-1 Deep Hole 95-2 Percolation lest Data 01/19/2011 03/24/1995 04/01/1995 Surface Elevation 13.65 Surface Elevation 14.1± Surface Elevation 13.71 Leaf Litter (2"-0') A 2011 Test Data "&Depth 10^ 2a^ 36" Percolation Test at Deep Hole 11-1@36" A 3" 12.82 g 1s^ Elev. 11.65 Cl Elev. 10.65 ar Less Ilan 2 Minutes/Inch 01/19/2011 Elev. 13.85 >cl`a 6" B Elev. 12.60 15" C1 Elev. 10.60 38" Loamy Sand 1 0YR1/2Elev. Subsoil Loamy sand 10YR4/6 Medium Yellow Sand Medium Sand 10YR5/6 22.00 Less Than 2 Minutes/lnch PLACES Fine Sand C2 Percolation at Deep Hole 95-2 @ 36" Septic Tank Inv. Out =14.07 Less Than 2 Minutes/Inch 2.5Y62 Witnessed by Darren Meyer on 04/01/1995. Fine White C2 62" l i Elev. 8.48 Sand 4" SECTION r--- -----------�--------------I Overall with Elev. 7.90 4" PVC Perf. Elev. 8.10 2" Topsoil Subsoil Medium Yellow Sand Fine White Sand Blev. 13.20 Percolation Test at Deep Hole 11-1@36" B Less Ilan 2 Minutes/Inch 01/19/2011 Elev. 12.45 Witnessed by Amy L. von Hom C1 1995 Test Data Elev. 10.53 Percolation at Deep Hole 95-1 @ 36" 22.00 Less Than 2 Minutes/lnch PLACES Witnetsed by Darren Meyer on 0324/1995. C2 Percolation at Deep Hole 95-2 @ 36" Septic Tank Inv. Out =14.07 Less Than 2 Minutes/Inch l l Witnessed by Darren Meyer on 04/01/1995. Elev. 7.87 Elev. 20 First Floor Groundwater 72" 7Elev.7.70 Groundwater " No Groundwater Percolation at Delp Hole 95-3 @ 36 weeping from Observed in Bottom of Pit Observed " Less Than 2 Minutes/Inch Coarse Sand Pit 69 Deep Hole 95-1. Hole 95-2. Not Witnessed. 2.5YR6/3 C3 Percolation at Deep Hole 95-1 @ 36" Less Than Minutes4nch 110" Elev. 4.48 Not Witnessed. Heavy Redox @ 62" Textme Change X General Dotes 1. Existing conditions based upon AutoCAD base isle dated 02/04/2011 by Weller & Associates, Centerville, MA. 2. B.M. #1 nail in utility pole, elevation =15.40 (NGVD datum). B.M. #2 top of concrete bound, elevation 13.6 (NGVD datum). 3. Elevations on prior "Septic System Repair Plan" dated 04/20/1995 on local datum, not NGVD. 4. Location, elevation, log, and percolation test for Deep Hole #11-1 on 0l /19/2011 by Borderland Engineering, Inc., West Bridgewater, MA. 5. Seasonal high groundwater adjustment used - add 0.85 feet. 6. Verify existing conditions and notify Owner of any discrepancies prior to beginning work. 7. Provide 24 hours notice to Owner prior to beginning work. 8. Provide notice and coordinate the work with observation requirements by the Yarmouth Board of Health. 9. Field changes to be approved in writing by the Owner and the Yarmouth Board of Health. 10. Remove unsuitable materials below normal depth within excavation for SAS and replace with sand that complies with 310 CMR 15.255(3). 11. Abandon existing spetic system in place and pump septic tank. 12. Remove septic tank and dispose off-site as part of foundation excavation for house addition. Design Requirements Design Flow For 5 Bedrooms, No Garbage Grinder. = 5 Bedrooms X 110 Gal./Bedroom/Day = 550 Gal./Day Design Percolation Rate 2.0 Minutes/Inch or Less. Long Term Acceptance Rate 0.74 Ga1JSq. FtJDay Leaching System For Cultec FDC; C-4 Unit in Field Configration (Modified Certification for General Use Rev. 07/19/2007) Area = 6.7 Sq. Ft./Ln X 8 Ft. Long = 53.6 Sq.FtJUnit Flow = 53.6 Sq.Ft./Unit X 0.74 Ga1.Sq. Ft./Day = = 39.7 Ga1JDay/Unit Soil Absorbtion System Required - 550 Gal./Day Provided -14 Cultec C-4 Units X 39.5 Ga1JDay/Unit = = 556 Ga1JDay 1T-0" 411 Eight - 4" One - 4" Dia. Outlets Dia InletO O O w� Plastic Pi Seals 11-0 1'-10'/:" e 2" 1U11 Provide 6" Thick Section View Compacted I_ 2'-611 _ Crushed Stone Pad 9'/s" O.C. 11-7V211 Plan View Precast Concrete Distribution Box Detail 20" DIA PI.Aslic ®215. LIQUID LEVEL PIPE SEAL VDIA ourLEr Finished Tee with Gas Baffle 1,360 GALLONS C[.EA COVECOVER3 Grade 6.6 Ft. _- 4" PVC Sch. 40 - S=0.010 s' s 22.00 PLACES N 4._4" Septic Tank Inv. Out =14.07 l l Inv. In=14.56 4" PVC Sch. 40 So Pipes Elev. 20 First Floor ❑l l i PLAN PIAsno 4" TOP PIPE SEAL P DIA Eesr 4'-T .. e . -i PI.Aslic ®215. LIQUID LEVEL PIPE SEAL VDIA ourLEr Finished Tee with Gas Baffle 1,360 GALLONS 640 GALLONS Grade 6.6 Ft. _- 4" PVC Sch. 40 - S=0.010 s' s 22.00 � N 4._4" Septic Tank Inv. Out =14.07 BAFFLE WALL Inv. In=14.56 4" PVC Sch. 40 So Pipes Elev. 20 First Floor Inv. Out -44.31 Length Varies - S-0 005 Min. -blev. DeepTP 4" SECTION PROVIDE 6" THICK COMPACTED CRUSHED STONE PAD NOTES: 1. CONCRETE: 4,000 PSI MAIALUMAFTER 28 DAYS. 2. DESIGN SHALL CONFORM WITH 310 CMR 15.00. 3. ALL RESNFORCEm= SHALL CONFORM wmi ASTM C1227-93. 2000 Gallon Two Compartment Precast Concrete Septic Tank Detail X I I X X - 2,000 Gallon - Two Compartment Precast Cone. Septic Tank Sem System Detail Iq 4" PVC Schd. 40 Outlet 36.00 Finished Tee with Gas Baffle Grade 6.6 Ft. _- 4" PVC Sch. 40 - S=0.010 22.00 � N Septic Tank Inv. Out =14.07 Inv. In=14.56 4" PVC Sch. 40 So Pipes Elev. 20 First Floor Inv. Out -44.31 Length Varies - S-0 005 Min. -blev. DeepTP X r--- -----------�--------------I Overall with 4" PVC Perf. 'pe Each Unit Hole 4V Bottom Level 1 Elev. 17.75T Deep Hole - 0 :- lowline 95-1 Elev =13.75 ottom) Basement s Floor Inv. =14.76 T 16 F #11-1 Elev. 11.00 30.57 40 PerE 8 ' Each nit 1,360 Gallon Compartment' Inv =14.00 G.W. Elev = 8.75 (Adj.) 4" Schd. 40 Tee with Gas Baffle 6" Thick Comp n G.W. Elev = 7.90 Crushed Stone Pad ' Provide 3 � 640 Gallon Compartment 6.6 3.5 20.00 12.00 16 00 Scale: 1"= 10'orizontal 1" Elev. 0 Observation Q S Septic Baseline 1 U • Ports with #95-2 1 t. 8 , Screw Top W PT #95-1 ; Covers - + 51 l First Floor Future ' Elev. 119.05 eep Dole Screened Porch ' Over -Excavation Area T.O.F. 95-2 on Piers _ _ _ _ _ -------- _ _ _ 1 5 Ft All Around SAS Elev. 17.75 26 Ft. X 38. Ft. $ No Basemen 16 Ft. - Perf. 411 PVC N N Schd. 40 20.00 Each Unit (mel) XI X - 2,000 Gallon - Two Compartment Precast Cone. Septic Tank Sem System Detail Iq Property Assessors Map 23, Parcel 308. L.C. Plan #17149-F. Septic System Profile 3",sW%t If Septic System 111eplacement Plan 24 Crowell Road, West Yarmouth, MA Owner and Applicant: Thomas C. Houston Date: February 28, 2011 - Revised: March 14, 2011 mth Health Department APPROVED e__ Dat 4" PVC Schd. 40 Outlet Finished Tee with Gas Baffle Grade 6.6 Ft. _- 4" PVC Sch. 40 - S=0.010 2,000 Gal. Two D Box Compartment Inv. In =14.24 Septic Tank Inv. Out =14.07 Inv. In=14.56 4" PVC Sch. 40 So Pipes Elev. 20 First Floor Inv. Out -44.31 Length Varies - S-0 005 Min. -blev. 4" PVC Schd. 40 New SAS -14 Cultec C-4 Units Inlet Tee 16 Ft. X 32 F Overall with 4" PVC Perf. 'pe Each Unit T.O.F. Bottom Level Elev. 13.75 Elev. 17.75T 20 Ft- 4" - 0 :- lowline Elev =13.75 ottom) Basement s Floor Inv. =14.76 T 16 F - 4" PVC Elev. 11.00 Schd 40 PerE 5' Separation Elev. 10 Each nit 1,360 Gallon Compartment' Inv =14.00 G.W. Elev = 8.75 (Adj.) 4" Schd. 40 Tee with Gas Baffle 6" Thick Comp n G.W. Elev = 7.90 Crushed Stone Pad 640 Gallon Compartment 6.6 3.5 20.00 12.00 16 00 Scale: 1"= 10'orizontal 1" Elev. 0 Property Assessors Map 23, Parcel 308. L.C. Plan #17149-F. Septic System Profile 3",sW%t If Septic System 111eplacement Plan 24 Crowell Road, West Yarmouth, MA Owner and Applicant: Thomas C. Houston Date: February 28, 2011 - Revised: March 14, 2011 mth Health Department APPROVED e__ Dat