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HomeMy WebLinkAboutEngineered Plans - 2017EXISTING CONTOUR x 100.98 EXISTING SPOT GRADEtsetta or -W paln EXISTING WATER SERVICE o - G EXISTING GAS SERVICE ti OVERHEAD WIRES �h�%stm08 Wa S IS TEST PIT BENCHMARK eO�P s Path A c aLEGEND P 184 s o ° Locus -Pc 31 Yarmouth Health Department rTo� PR ED 9 Ave f' o FENCE LINE (TYP.) S 10'44'40" E a C D ate x 100.00' x 9968 0 99.45 x 99.95 LOCUS MAP 99.55 TP 0 33.5' EX/ST/NG LRA CH PIT GENERAL NOTES: NOT TO SCALE �-------- ��- PR S.A.S/ � 't 1 �.• Co0 <6> TO 8E PUMPED, FILLED WITH SAND AND ABANDONED 1. ALL CHANGES TO THIS PLAN MUST BE APPROVED BY THE LOCAL BOARD OF HEALTH AND THE DESIGN ENGINEER. 9,89 t.•:`;; x 100.04 ..,, • /•: �� 2. ALL WORK AND MATERIALS SHALL CONFORM TO THE REQUIREMENTS EX/STING SEP17C TANK OF THE STATE ENVIRONMENTAL CODE, TITLE V, AND ANY APPLICABLE TOP OF TANK=99.28 99,64 '- LOCAL RULES AND REGULATIONS. INV(OUT)=97.95± 3. THE SEWAGE DISPOSAL SYSTEM SHALL NOT BE BACKFILLED PRIOR 0 99.60 TO INSPECTION AND APPROVAL BY THE BOARD OF HEALTH AND THE o 100.45 N BM BENCHMARK DESIGN ENGINEER. 4. ANY CONDITIONS ENCOUNTERED DURING CONSTRUCTION DIFFERING DECK 99,12 h COR./BOTT. STEP EL, =100.45 FROM THOSE SHOWN HEREON SHALL BE REPORTED TO THE DESIGN ENGINEER BEFORE CONSTRUCTION CONTINUES. + 99,670 Ix 99.46 05. ALL ELEVATIONS BASED ON ASSUMED DATUM. ` THE DESIGN ENGINEER IS NOT RESPONSIBLE FOR THE FAILURE OF 99,3X O 0 THE CONTRACTOR OR OWNER TO NOTIFY THE LOCAL BOARD OF 096. EXISTING / HEALTH FOR PROPER INSPECTIONS DURING CONSTRUCTION. C3 o HOUSE&66) p 7, WATER SUPPLY PROVIDED BY TOWN WATER SERVICE. T.O.F.=100.7± o N 8. THERE ARE NO WELLS WITHIN 100' OF THE PROPOSED S.A.S. 9. ALL AREAS CLEARED FOR CONSTRUCTION SHALL BE RESTORED AS AGREED UPON BY OWNER AND CONTRACTOR OR AS OTHERWISE E3 0 � DIRECTED BY THE APPROVING AUTHORITIES. 99, 5 99,37 10. IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO VERIFY 99,50 99,16 THE LOCATION OF ALL UNDERGROUND UTILITIES, PRIOR TO BEGINNING WALK CONSTRUCTION. 3 11. WHERE REQUIRED, CONTRACTOR SHALL REMOVE ALL UNSUITABLE SOILS LOT 53A �� - - FLAGGED TREE IN THE AREA BENEATH AND FOR 5' ON ALL SIDES OF THE S.A.S. AND 99,04 10,000±S.F. _ y ;,.; _ (DO NOT DISTURB) REPLACE WITH CLEAN SAND AS SPECIFIED IN 310 CMR 255(3). _ GRAVEL 12. AREAS REQUIRING STRIPOUT OF UNSUITABLE MATERIALS SHALL BE INSPECTED BY DESIGN ENGINEER PRIOR TO BACKFILL. STO E.. DRIVEWAY 9 8.4 6 100.00'DRIVE AY CMDF 13. THIS PLAN IS TO BE USED FOR SEPTIC SYSTEM PURPOSES ONLY AND " y�FJi 4 NOT CONSIDERED TO BE A PROPERTY LINE SURVEY. N 10'44'40" W 98,58:' ., 98.33 TE T. G`�a 14. HOUSE LOCATION TAKEN FROM CERTIFIED PLOT PLAN BY DOWN CAPE ,. McENTEE ^ ENGINEERING, DATED JUNE 21, 1993. CIVIL15. EXISTING FLOOR PLAN TO BE PROVIDED BY OTHERS. 37,91 38,01 edge of pavement 9817 98,18- 98,21 N0.35109 PARCEL ID: 89-162 ' IST, R PROPOSED SEPTIC SYSTEM UPGRADE PLAN RITA AVENUE . �, 66 RITA AVENUE, SOUTH YARMOUTH, MA Prepared for: Copewide Enterprises, 153 Commercial St., Mashpee, MA 02649 %U 0,00 OWNER OF RECORD Engineering by: SCALE DRAWN JOB. NO. P TOWERS, DANIEL W Engineering Works, Inc. 1 "=20' P.T.M. 115-17 TOWERS, GRETCHEN E g 66 RITA AVENUE 12 West Crossfield Road, Forestdale, MA 02644 DATE CHECKED SHEET NO. SOUTH YARMOUTH, MA 02664 (508) 477-5313 1 2/14/17 P.T.M. 1 Of 2 NOTE: TO PREVENT BREAKOUT, THE PROPOSED FINISH GRADE SHALL NOT BE < EL: 97.0 FOR A DISTANCE OF 15' AROUND THE PERIMETER OF THE S.A.S. SEPTIC TANK PROPOSED D -BOX PROPOSED S.A.S. INSTALL RISERS & COVERS OVER INLET & INSTALL RISER AND COVER INSTALL RISER & COVER OVER ONE CHAMBER(MIN.) EXISTING OUTLET AND SET TO 6" OF FINISH GRADE SET TO WITHIN 6" OF FINISH AND SET TO WITHIN 3" OF FINISH GRADE TO SERVE T.O.F.=100.7± GRADE AS AN INSPECTION MANHOLE. � HOUSE(#66) EXISTING F.G. EL.=99.9± F.G. EL.=96.6± .� F.G. EL.=96.4± MAINTAIN 2% SLOPE j OVER S.A.S. / j .F.=100.7± /� a, L= 14' L=23' h S=1% (MIN.) ®S=1% (MIN.) '. ..• 4"SCH40 PVC 4"SCH40 PVC 2" LAYER OF 1/8" TO 1/2" DECK , 6" DOUBLE WASHED STONE Dc p g» 14' •� EXISTING 48" LIQUID as as (OR APPROVED FILTER FABRIC) aB® 99a ®a®a®®® `3/4" TO 1-1/2" DOUBLE n�� INV.=97.95± WASHED STONE D���__ D LEVEL PROPOSED INV.=97.00 • ¢' S 2' 4' _ _ _ � T GAS BAFFLE INV.=97.17 � EFFECTIVE WIDTH = 12.8' _T ( 40.;7' 00 W/INLET TEE INV.=96.50 EXISTING SEPTIC TANK 3-500 GALLON LEACHING CHAMBERS ni PROPOSED S.A.S. SURROUNDED WITH STONE AS SHOWN ---- 31.3' SHED H-20 RATED �33'---I .5 64.8' TOP CONC. ELEV.= 97.3± NOTES: BREAKOUT ELEV.= 97.00 S.A.S. LAYOUT 1) CONTRACTOR SHALL VERIFY ALL EXISTING PIPE INV. ELEV.= 96.50 as®®a aaaaaaaa®aa INVERTS, PRIOR TO INSTALLATION. aaaaaaaaaaa 2) D -BOX SHALL BE SET LEVEL AND TRUE TO BOTTOM ELEV.= 94.50 4' 3 x 8.5' = 25.5' 4' GRADE ON A MECHANICALLY COMPACTED SIX 4' OF NATURALLY OCCURRING EFFECTIVE LENGTH = 33.5' INCH CRUSHED STONE BASE, AS SPECIFIED IN PERVIOUS MATERIAL 310 CMR 15.221(2). 5' (MIN.) ABOVE G.W. ®®®® 0 ®®® 3) INSTALL INLET & OUTLET TEES AS REQUIRED. LEACHING SYSTEM SECTION ®®®®®®®®®®® 33" 4) GAS BAFFLE TO BE INSTALLED ON OUTLET TEE BOTTOM OF TEST PIT, EL.=87.9 = _ ®®®®®®®®®® AS MANUFACTURED BY TUF-TITE, ZABEL OR EQUAL. NO GROUNDWATER N > ®�� ®®®®®®® Z_ SEPTIC SYSTEM PROFILE N.T.S. 102" SOIL LOG 4" KNOCK OUT DESIGN CRITERIA 20" DIA. COVER NUMBER OF BEDROOMS: 4 BEDROOMS DATE: FEBRUARY 8, 2017 SOIL EVALUATOR: PETER MCENTEE PE(SE#1542) „ WITNESS: PHILLIP RENAUD HEALTH AGENT 4 KNOCKOUT 4" KNOCKOUT 58 0 SOIL TEXTURAL CLASS: CLASS I (LOADING RATE=0.74 GPD/SF) DESIGN PERCOLATION RATE: <2 MIN/IN TP DEPTH DAILY FLOW: 440 GPD 994 11 . 99'4 A 0 LOAMY SAND 4" KNOCKOUT DESIGN FLOW: 440 GPD 10YR 4/2 98.9 6„ GARBAGE GRINDER: NO -not allowed with design B 500 GALLON CAPACITY, H-10 LOADING LOAMY SAND LEACHING AREA REQUIRED: (440 GPD) = 594.6 SF 969 10YR 5/8 30 CHAMBERS GPD/SF C1 .74 PERC EXISITNG SEPTIC TANK: 1000 GALLON CAPACITY 24"/42" N.T.S. PROPOSED D -BOX: 1 INLET, 3 OUTLET (MINIMUM), H-10 RATED MED. SAND 2.5Y 6/4 PROPOSED SEPTIC SYSTEM UPGRADE PLAN USE 3-500 GALLON LEACHING CHAMBERS IN SERIES 66 RITA AVENUE, SOUTH YARMOUTH, MA SURROUNDED BY DOUBLE WASHED STONE ON ALL SIDES 929 C2 7s Prepared for: Capewide Enterprises, 153 Commercial St., Mashpee, MA 02649 FINE SAND SIDEWALL AREA: 2(12.8' + 33.5') X 2 = 185.2 S.F. 2.5Y 6/6 Engineering by: Engineering Works Inc. SCALE N.T.S. DRAWN P.T.M. JOB. NO. 115-17 BOTTOM AREA: 12.8' x 33.5' = 428.8 S.F. 87.9 138" TOTAL AREA: .............................................................. 614.0 S.F. PERC RATE <2 MIN/IN., C" HORIZONS g g 12 West Crossfield Road, Forestdale> MA 02644. DATE CHECKED SHEET No. DESIGN FLOW PROVIDED: 0.74 GPD/SF(614.0 SF) = 454.4 GPD NO GROUNDWATER ENCOUNTERED (508) 477-5313 2/14/17 P.T.M. 2 Of 2