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Home My WebLink AboutEngineer Plans - 2021peroit villid for REPAIR OF SEPTIC SYSTEM LEGEND ONLY. d to Stats and Local septic variaacea. P� r90 pc 7g Burd of iealtb review and approval is required for 67 EXISTING CONTOUR aay future additionslrenovations/alteratiOu to x 100.98 EXISTING SPOT GRADE sewage t#oi ities and/or structures/dwelling. OVERHEAD WIRES EX/STING SEPTIC TANK Yarmouth HeaNh Department EXISTING GAS SERVICE e ; .• t. TOP OF TANK, EL.=98.45 APPROVED W EXISTING WATER SERVICE INV.(OUT)=97.10± TEST PIT S 10°48'35" E r f-lr4 Vit? ? ?� 2 BENCHMARK i X_ 104.04 ' i Q 11 NaeDate @,SIsLl7 V I_ U 100,8 �--12.8'--{ LOT J8 f SHED '°` �'_-��-� SEP 28 2021 t PROPOSED S.A.S. 12,388±S.F. r 3 f'; ..` 1 3-500 GAL CHAMBERS HEALTH DEPT, r----------------- x :':::� SURROUNDED W/4' STONE LOCUS MAP 100.44 I 100.51 I 1 NOT TO SCALE I X Ex. S.A.S. ,`" 99.2 O -'`�� GENERAL NOTES: i L-------------- -----J 1. ALL CHANGES TO THIS PLAN MUST BE APPROVED BY THE LOCAL TP t:: ": 1 APPROX. L OCA T/ON OF EXIST/NG S.A.S. r r':` �` ''`I ORIGINAL LEACH PIT BOARD OF HEALTH AND THE DESIGN ENGINEER, 100 04` TO BE REMOVED 2. ALL WORK AND MATERIALS SHALL CONFORM TO THE REQUIREMENTS TO BE ABANDONED vpC�'- (.:.: N j SEE NOTE 11 OF THE STATE ENVIRONMENTAL CODE, TITLE V, AND ANY APPLICABLE LOCAL RULES AND REGULATIONS, EXCEPT AS REQUESTED BELOW: 100,06 '0 0 �-�-+�10' T -310 CMR 15.405(1)(b): LOCAL UPGRADE APPROVAL BENCHMARK 1) A 5' variance, SAS to cellar wall(bulkhead), for a 15' setback. .% w I 99,63 BULKHEAD CORNER 3. THE SEWAGE DISPOSAL SYSTEM SHALL NOT BE BACKFILLED PRIOR 4 x x 99.26 EL.=100.29 TO INSPECTION AND APPROVAL BY THE BOARD OF HEALTH AND THE X 100.53 9,79 _ �J DESIGN ENGINEER. N M 100,29 N l BH 99,49 O 4. ANY CONDITIONS ENCOUNTERED DURING CONSTRUCTION DIFFERING r 0) 9970 `_ 99,65 x x '�! OF Mq FROM THOSE SHOWN HEREON SHALL BE REPORTED TO THE DESIGN p�QN�� SSq�� ENGINEER BEFORE CONSTRUCTION CONTINUES. /� ` ' ` %/'✓� oPETER T. s 5. ALL ELEVATIONS BASED ON AN ASSUMED DATUM. zfjEXISTNGy McENTEE C.11) 6. THE DESIGN ENGINEER IS NOT RESPONSIBLE FOR THE FAILURE OF 99,63 99,06 v v CIVIL THE CONTRACTOR OR OWNER TO NOTIFY THE LOCAL BOARD OF HOUSE(1185) �' O, x `"' No. VIL HEALTH FOR PROPER INSPECTIONS DURING CONSTRUCTION. GARAGE fT.O.F.=0./STEO 7. WATER SUPPLY PROVIDED BY TOWN WATER SERVICE. 8. THERE ARE NO WELLS WITHIN 150' OF THE PROPOSED S.A.S. 99,57 ' 9. ALL AREAS CLEARED FOR CONSTRUCTION SHALL BE RESTORED AS X ` „ y AGREED UPON BY OWNER AND CONTRACTOR OR AS OTHERWISE DIRECTED BY THE APPROVING AUTHORITIES. x 99,9899.6 10. IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO VERIFY tis� THE LOCATION OF ALL UNDERGROUND UTILITIES, PRIOR TO BEGINNING Fi ,r� �, Lll?IVEWAY 99,84 G2,�r�1H �ChG CONSTRUCTION. o 11. WHERE REQUIRED, CONTRACTOR SHALL REMOVE ALL UNSUITABLE SOILS 0 - �, IN THE AREA BENEATH AND FOR 5' ON ALL SIDES OF THE S.A.S. AND 99.39 x''<�9.98 x 3 0�� REPLACE WITH CLEAN SAND AS SPECIFIED IN 310 CMR 255(3). x 100,28 0�0. O6� 12. AREAS REQUIRING STRIPOUT OF UNSUITABLE MATERIALS SHALL BE O INSPECTED BY DESIGN ENGINEER PRIOR TO BACKFILL. 99 37 13. THIS PLAN IS TO BE USED FOR SEPTIC SYSTEM PURPOSES ONLY AND "a'39,071',: 102.48'ss/0 ASS NOT CONSIDERED TO BE A PROPERTY LINE SURVEY, IRDNPIP N 10°48'35" W `1z?0...... 14. THE ENGINEER IS NOT RESPONSIBLE FOR ANY UNDOCUMENTED SEPTIC SYSTEM COMPONENTS NOT SHOWN ON THE PLAN 4 -- -r 100.17 MAP ID: 78-257 98,54 98,86 99,40 edge 99.79 of Pavement 99,97 PROPOSED SEPTIC SYSTEM UPGRADE PLAN 85 WITCHWOOD ROAD, SOUTH YARMOUTH, MA Prepared for: Cape Cod Septic Services, 350 Main St, W. Yarmouth, MA 02673 WITCHWOOD ROAD OWNER OF RECORD Engineers: Surveyors: SCALE DRAWN JOB. No. PIERRE, YOLENE Engineering Works, Inc. JC Engineering, Inc. 1 "=20' P.T.M. 235-21 12 West Crossfield Road 2854 Cranberry Hwy. 85 WITCHWOOD ROAD Forestdole, MA 02644 E.Wareham, MA 02538 DATE CHECKED SHEET NO. SOUTH YARMOUTH, MA 02664 (508) 477-5313 (508) 273-0377 8/31/21 P.T.M. 1 Of 2 .EXISTING SEPTIC TANK PROVIDE RISERS WITH COVERS OVER INLET & OUTLET MANHOLES SET TO 6" OG FINISH GRADE. T.O.F.=100.4± -F.G. EL.=99.6± EXISTING 1 F.G. EL.=100.0± 1 14 48" LIQUID LEVEL ADD GAS I BAFFLE EXISTING SEPTIC TANK NOTES: 1) CONTRACTOR SHALL VERIFY ALL EXISTING PIPE INVERTS, PRIOR TO INSTALLATION. 2) D -BOX SHALL BE SET LEVEL AND TRUE TO GRADE ON A MECHANICALLY COMPACTED STABLE BASE OR 6" AGGREGATE BASE, AS SPECIFIED IN 310 CMR 15.221(2). 3) INSTALL INLET & OUTLET TEES AS REQUIRED. 4) A GAS BAFFLE SHALL BE INSTALLED ON OUTLET TEE AS MANUFACTURED BY TUF-TITE, ZABEL OR EQUAL. PROPOSED D -BOX INSTALL RISER & COVER SET TO 6" OF GRADE L=37' 0 S=1% (MIN.) 4"SCH40 PVC F.G. EL.=99.3± L = 5' S=1% (MIN.) 4"SCH40 PVC ' 2' EFF. DEPTH PROPOSED INV.=96.40 D BOX INV.=96.23 -INV.=97.10 3 OUTLETS (VERIFY) H_20 INV.= 96.00• TOP CONC. ELEV.= 96.8± - BREAKOUT ELEV.= 96.50 - INV. ELEV.= 96.00- BOTTOM ELEV.= 94.00- 4' OF NATURALLY OCCURRING PERVIOUS MATERIAL 5' (MIN.) ABOVE G.W. NO GW, EL.=88.2 NOTE: TO PREVENT BREAKOUT, THE PROPOSED FINISH GRADE SHALL NOT BE < EL. 96.5 FOR A DISTANCE OF 15' AROUND THE PERIMETER OF THE S.A.S. PROPOSED S.A.S. INSTALL RISER & COVER OVER ONE CHAMBER AND SET TO 3" OF F.G. TO SERVE AS INSPECTION PORT r F.G. EL.=99.2± MAINTAIN 2% SLOPE OVER S.A.S. 1 4' 4.8' 1 4' EFFECTIVE WIDTH = 12.8' 2" LAYER OF 1/8" TO 1/2" DOUBLE WASHED STONE -3/4" TO 1-1/2" DOUBLE WASHED STONE 3-500 GALLON LEACHING CHAMBERS SURROUNDED WITH STONE AS SHOWN H-10 RATED 3" LAYER OF 1/8- TO 1/,' DOUBLE WASHED STONE 4' 1 3 x 8.5' = 25.5' 1 4' EFFECTIVE LENGTH = 33.5' SEPTIC SYSTEM PROFILE DESIGN CRITERIA NUMBER OF BEDROOMS: 4 SOIL TEXTURAL CLASS: CLASS I (LOADING RATE=0.74 GPD/SF) DESIGN PERCOLATION RATE: <2 MIN/IN DAILY FLOW: 440 GPD DESIGN FLOW: 440 GPD GARBAGE GRINDER: NO -not allowed with design LEACHING AREA REQUIRED: (440 GPD) = 594.6 SF .74 GPD/SF EXISTING SEPTIC TANK: 1500 GALLON CAPACITY PROPOSED D -BOX: 1 INLET, 3 OUTLET (MINIMUM), H-10 RATED USE 3-500 GALLON LEACHING CHAMBERS IN SERIES SURROUNDED BY DOUBLE WASHED STONE ON ALL SIDES SIDEWALL AREA: 2(12.8' + 335) x 2 = 185.2 S.F. BOTTOM AREA: 12.8' x 33.5' = 428.8 S.F. TOTAL AREA:..............................................................614.0 S.F. DESIGN FLOW PROVIDED: 0.74 GPD/SF(614.0 SF) = 454.4 GPD LEACHING SYSTEM SECTION 3/4" TO 1-1/2" DOUBLE WASHED STONE SOIL LOG DATE: JULY 29, 2021 SOIL EVALUATOR: PETER McENTEE PE, SE -1542 WITNESS: PHIL RENAUD HEALTH AGENT ELEV. TP DEPTH 99.2 A 0" 98.4 96.4 LOAMY SAND 10YR 4/2 B LOAMY SAND 10YR 5/8 C1 MED. SAND 10YR 5/6 C2 M -F SAND 10YR 5/3 1% 34" PERC 26"/44" 88.2 132" PERC RATE 2 MIN/IN. ("C' HORIZON) NO GROUNDWATER ENCOUNTERED SEPTIC LAYOUT t -1t ►-� t-� ►-� ►- ►►=1 tt-t tt-1 t-� t-� � t f t_i1 t_f 1 1_1 M I 1__1 M I t f t__1 1__f 1 f � t_I t_I _� ►_I t_� ►_� t= t-1 t-1 t-1 t-� 58" 500 GALLON CAPACITY, H-10 LOADING CHAMBERS N.T.S. PROPOSED SEPTIC SYSTEM UPGRADE PLAN 85 WITCHWOOD ROAD, SOUTH YARMOUTH, MA Prepared for: Cape Cod Septic Services, 350 Main St, W. Yarmouth, MA 02673 Engineers: Surveyors: SCALE DRAWN JOB. NO. Engineering Works, Inc. JC Engineering, Inc. N.T.S. P.T.M. 235-21 12 West Crossfield Road 2854 Cranberry Hwy. DATE CHECKED SHEET N0. Forestdole, MA 02644 E.Woreham, MA 02538 (508) 477-5313 (508) 273-0377 8/31/21 P.T.M. 2 Of 2 4" KNOCKOUT 20" DIA. COVER 4" KNOCKOUT0 / 4" KNOCKOUT 4" KNOCKOUT 58" 500 GALLON CAPACITY, H-10 LOADING CHAMBERS N.T.S. PROPOSED SEPTIC SYSTEM UPGRADE PLAN 85 WITCHWOOD ROAD, SOUTH YARMOUTH, MA Prepared for: Cape Cod Septic Services, 350 Main St, W. Yarmouth, MA 02673 Engineers: Surveyors: SCALE DRAWN JOB. NO. Engineering Works, Inc. JC Engineering, Inc. N.T.S. P.T.M. 235-21 12 West Crossfield Road 2854 Cranberry Hwy. DATE CHECKED SHEET N0. Forestdole, MA 02644 E.Woreham, MA 02538 (508) 477-5313 (508) 273-0377 8/31/21 P.T.M. 2 Of 2