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HomeMy WebLinkAboutEngineered Plan - 2017E -1 SGl rve�`� b I fj Y SLNe.e_+se,r &J 7 , zov nIKKE MCD MAY 15 2017 HEALTH DEPT. PROPOSED SEPTIC SYSTEM UPGRADE PLAN 39 PAYSON PATH, WEST YARMOUTH, MA Prepared for: Karras System Design and Site Plan by: MEYER &SONS, INC. PO SOX 981 EASTSANDMCH, MA 02537 50&3622922 ,!t SCALE N.T.S. DRAWN DMM DATE 05/11/17 REV DATE CHECKED DMM SHEET N0. O_ Z ,.� = �I lu of (Aj l ��\ �AA P 1 1 / al l � { o SGl rve�`� b I fj Y SLNe.e_+se,r &J 7 , zov nIKKE MCD MAY 15 2017 HEALTH DEPT. PROPOSED SEPTIC SYSTEM UPGRADE PLAN 39 PAYSON PATH, WEST YARMOUTH, MA Prepared for: Karras System Design and Site Plan by: MEYER &SONS, INC. PO SOX 981 EASTSANDMCH, MA 02537 50&3622922 SCALE N.T.S. DRAWN DMM DATE 05/11/17 REV DATE CHECKED DMM SHEET N0. O_ Z T NOTE: MAGNETIC TAPE TO BE PLACED OVER ALL COVERS T.O.F. EL.=100.0± PTI TANK PROPOSED D -BOX INSTALL RISERS & COVERS OVER INLET & INSTALL RISER & COVER OUTLET AND SET TO 6" OF FINISH GRADE SET TO 6" OF GRADE J/-F.G. EL..='100.31 F.G. EL 100.0± F.G. EL: 100.50± a, ani 9" MIN COVER/ ' 36" MAX COVER ' L 50' L = I0'(MAX) MIN ®SCH 0(PVC) ^" a 27.0 ®S=1% (MIN.) 0 S=1% (MIN.) 4"SCH40 PVC 4"SCH40 PVC U-ilo-I _ 6 EXISTING 14 48' LIQUID EXISTING LEVEL GAS BAFFLE X TI EXISTING D-80 EXISTING 1.500 GALLON SEPTIC TANK EXIST. SEWER OUTLET NOTE: TO PREVENT BREAKOUT, THE PROPOSED FINISH GRADE SHALL NOT BE < EL: 97.49 FOR A DISTANCE OF 15' AROUND THE PERIMETER OF THE S.A.S PROPOS S.A.S. INSTALL A 4" DIAMETER INSPECTION PORT OVER ONE CHAMBER (MIN.) AND SET TO 3" OF F.G. Ir-F.G. EL: 100.0 (MAX.) INSTALL TWO INSPECTION PORTS (MIN.) TOP OF UNIT = EL. 97.49 11.3" TO INVERTBMW INV.=97.10 BOTTOM ELEV.= 96.18 1 HICAP INFILTRATOR W/4' STONE ON ALL SIDES 5' MIN. ABOVE BOTTOM OF =97.30T.P. EXCAVATION OR G.W. (14.24'L x 10.83'W x 0.92'D) (6.28' PROVIDED) BOTTOM OF TESTHOLE: EL:89.10 SOIL ABSORPTION SYSTEM (PROFILE) SEPTIC SYSTEM PROFILE N.T.S. DESIGN CRITERIA NUMBER OF BEDROOMS: INCREASE FROM 3 BEDROOM TO 4 BEDROOM DESIGN DESIGN FLOW: EXISTING 351 gpd, ADD 1 BEDROOM FLOW FOR TOTAL OF 440 gpd (min) DESIGN PERCOLATION RATE: <2 MIN/IN SOIL TEXTURAL CLASS: CLASS 1 (0.74 GPD/SF) GARBAGE GRINDER: NO (not designed for garbage grinder) DISTRIBUTION BOX: EXISTING SEPTIC TANK: EXISTING 1,50OG SEPTIC TANK LEACHING AREA REQUIRED: (440)/.74 = 594.59 S.F. PRIMARY S.A.S. USE ONE (1) HICAP INFILTRATOR WITH 4' STONE ON ALL SIDES 514.25'L x 10.83'W x 0.92'D) BOTTOM AREA: 14.25 x 10.83 = 154.32 SF SIDE AREA: (10.83 x 0.92) + ((14.25 x 0.92) x 2) = 36.18 SF TOTAL SQUARE FEET PROVIDED = 190.5 SF DESIGN FLOW PROPOSED: 0.74(190.5 S.F.) = 140.97 G.P.D. EXISTING DESIGN FLOW: 351.00 G.P.D. TOTAL FLOW: 491.97 G.P.D. SOIL LOGS DATE: MARCH 25, 1999 SOIL EVALUATOR: ROBIN WILCOX, SWEETSER ENG. WITNESS: A. VONHONE, YARMOUTH HEALTH '�o v Elev. 100.1 TP -1 Depth 0" A LOAMY SAND 10YR 3/3 98.92 B 14" LOAMY SAND 10YR 5/4 97.28 34" C FINE SAND 10YR 6/3 89.10 132" PERC RATE <2 MIN/IN. (*Cl' HORIZON) No GROUNDWATER OBSERVED s I, Darren M. Meyer, R.S., CSE, hereby certify that 1 am currently approved by MADEP pursuant to 310 CMR 15.017 to conduct soil evaluations and that the above analysis has been performed by me consistent with the requirements of 310 CMR 15.017. 1 further certify that 1 have passed the Soil Eval. Exam in October, 1999. GENERAL NOTES: 1• ALL CHANGES TO THIS PLAN MUST BE APPROVED BY THE LOCAL BOARD OF HEALTH AND THE DESIGN ENGINEER. 2. ALL WORK AND MATERIALS SHALL CONFORM TO THE REQUIREMENTS OF THE STATE ENVIRONMENTAL CODE, TITLE V, AND ANY APPLICABLE LOCAL RULES AND REGULATIONS. 3. THE SEWAGE DISPOSAL SYSTEM SHALL NOT BE BACKFILLED PRIOR TO INSPECTION AND APPROVAL BY THE BOARD OF HEALTH AND THE DESIGN ENGINEER. 4. ANY CONDITIONS ENCOUNTERED DURING CONSTRUCTION DIFFERING FROM THOSE SHOWN HEREON SHALL BE REPORTED TO THE DESIGN ENGINEER BEFORE CONSTRUCTION CONTINUES. 5. ALL ELEVATIONS BASED ON ASSUMED DATUM. 6. THE DESIGN ENGINEER IS NOT RESPONSIBLE FOR THE FAILURE OF THE CONTRACTOR OR OWNER TO NOTIFY THE LOCAL BOARD OF HEALTH FOR PROPER INSPECTIONS DURING CONSTRUCTION. 7. DWELLING IS SERVICED BY MUNICIPAL WATER SUPPLY. 8. ALL AREAS DISTURBED DURING CONSTRUCTION SHALL BE RESTORED TO A CONDITION AGREED UPON BETWEEN OWNER AND CONTRACTOR. 9. R SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO VERIFY THE LOCATION OF ALL UNDERGROUND UTILITIES, PRIOR TO STARTING WORK. 10. NO WETLANDS WITHIN 150 FT. OF PROPOSED LEACHING 11. 48 HOUR NOTICE FOR ENGINEER CERTIFICATION 12. THIS PLAN IS TO BE USED FOR SEPTIC SYSTEM PURPOSES ONLY AND IS NOT TO BE CONSIDERED A PROPERTY UNE SURVEY 13. NO KNOWN PRIVATE WELLS WITHIN 100 FT. OF PROPOSED LEACHING 14. ALL PIPING TO BE 4" SCH 40 0 1/8"/FT (UNLESS SPEC. ) 15. THE DESIGN OF THIS SYSTEM DOES NOT ALLOW FOR THE USE OF A GARBAGE GRINDER. SECTION ff" INVERT HEIGHT INFILTRATOR - HI CAPACITY (H20) CHAMBER PROPOSED SEPTIC SYSTEM UPGRADE PLAN 39 PAYSON PATH, WEST YARMOUTH, MA Prepared for: Karras System Design and Site Plan by: SCALE DRAWN DATE MEYER &SONS, INC. N.T.S. DMM 05/11/17 PO BOX 981 EASTSANDWICH, AM 02537 REV DATE CHECKED SHEET NO. 5M -W2-2922 DMM 2 of 2