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HomeMy WebLinkAboutEngineer PlanPROPOSED S.A.S. 2-500 GALLON CHAMBERS INSTALL 40 MIL POLY LINER SURROUNDED W/4' OF STONE TOP OF LINER, EL.=103.6 BOTT. OF LINER, EL.=100.0 WL� Ce�LsD N JUN -1 023 HEALTH DEPT. BENCHMARK MAG. NAIL EL.=100.00 102.33 PK SET 99.20 100.00 edge of Pavement PARKING R`2 s q� O so.2,2 20 100.,1 O 6 100,58X 106.87 \� M CBIIH 25 TP 100.11 10525 101.76 . 0 a e� EXISTING LEACH PIT TO BE REMO VED EXISTING CESSPOOLS — TO BE PUMPED, FILLED WITH SAND & ABANDONED •34' O \ 10' \ 0 07,25 DECK / EXISTING / HOUSE(#97) T.O.F.=107.7f 9&55 99.40 m a m 0 1-8.4 -� v 0 \ \ o \ 103.22 x \ C�101 J107,17 0 ( APPRRwX� m 104.88 \ EX. SEWER / X \ \ INVERT= 105.5t 106.30 1009,61� X 107.86li14,3 SPIIKE \ 107,35 Pj4V�D DR�1/EVYAY �k : 104.28 PROPOSED SEPTIC TANK —� `107,45 LOT 11 11,918±S.F. -- — 55— — EXISTING CONTOUR x 50.98 EXISTING SPOT GRADE —W - EXISTING WATER SERVICE EXISTING WATER SERVICE OVERHEAD WIRES t9 TEST PIT {� BENCHMARK LEGEND Yarmouth Health Departmeut ROVED Name Date L`J t�7 O 102.22 t--y IRN V� �IC HOOD No. 3W31 cam+ 1 9 1p7.43' S 3 0' 22' 20„ W ('0)3(23 • 105.24 PK SET OWNER OF RECORD POWELL MAX III POWELL SUSANNE U 592 CROSS COUNTRY LN SOUTHERN PINES, NC 28387 N w LOCU`3 LOCUS MAP GENERAL NOTES: I 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. WATER SUPPLY PROVIDED BY TOWN WATER SERVICE. 8. THERE ARE NO WELLS WITHIN 150' 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 DIRECTED BY THE APPROVING AUTHORITIES. 10. IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO VERIFY THE LOCATION OF ALL UNDERGROUND UTILITIES, PRIOR TO BEGINNING CONSTRUCTION. 11. WHERE REQUIRED, CONTRACTOR SHALL REMOVE ALL UNSUITABLE SOILS IN THE AREA BENEATH AND FOR 5' ON ALL SIDES OF THE S.A.S. AND REPLACE WITH CLEAN SAND AS SPECIFIED IN 310 CMR 255(3). 12. AREAS REQUIRING STRIPOUT OF UNSUITABLE MATERIALS SHALL BE INSPECTED BY DESIGN ENGINEER PRIOR TO BACKFILL. 13. THE ENGINEER IS NOT RESPONSIBLE FOR ANY UNDOCUMENTED SEPTIC SYSTEM COMPONENTS NOT SHOWN ON THIS PLAN. MAP ID: 96-22 PROPOSED SEPTIC SYSTEM UPGRADE PLAN 97 FREEMAN ROAD, YARMOUTH PORT, MA Prepared for: Max Powell, 592 Cross Country Lane, Southern Pines, NC 28387 Engineers: Surveyors: SCALE DRAWN JOB. NO. Engineering Works, Inc. Richard J. flood FLS 1"=20' P.T.M. 175-23 12 West Crossfield Road 12 Settlers Path DATE CHECKED SHEET NO. Forestdale, MA 02644 Sandwich, MA 02563 (508) 477-5313 (508) 246-6260 6/3/23 P.T.M. 1 of 2 EXISTING SEPTIC TANK PROVIDE RISERS WITH COVERS OVER INLET & OUTLET MANHOLES SET TO 6" OF FINISH GRADE. r-TOF EL.=107.7t /-F.G. EL.=106.0t L = 12' © S=1% (MIN.) 4"SCH40 PVC s" 10" 11 INV.=105.25 CONNECT TO NEW SEWER AT HOUSE, INV.=105.50 F.G. EL.=106.8t 14 48" LIQUID LEVEL ADD GAS I BAFFLE NOTES: 1) CONTRACTOR SHALL VERIFY ALL EXISTING PIPE INVERTS, PRIOR TO INSTALLATION. 2) SEPTIC TANK & D—BOX SHALL BE SET LEVEL AND TRUE TO GRADE ON A MECHANICALLY COMPACTED STABLE BASE OR SIX INCH 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. DESIGN CRITERIA NOTE: TO PREVENT BREAKOUT, A 40 MIL POLY LINER SHALL BE INSTALLED AS SHOWN ON SHEET 1 TOP OF LINER, EL.=103.6 BOTT. OF LINER, EL.=100.0 PROPOSED D-BOX INSTALL RISER & COVER PROPOSED S.A.S. SET TO 6" OF GRADE INSTALL RISER & COVER OVER ONE CHAMBER AND SET TO 3" OF F.G. TO SERVE AS INSPECTION PORT F.G. EL.=105.2t /%� F.G. EL.=104.8f to 106.1f { MAINTAIN 2% SLOPE OVER S.A.S. L=23' L= 5' ® S=1% (MIN.) 4"SCH40 PVC ® S=1% (MIN.) 4"SCH40 PVC 2" LAYER OF 1/8" TO 1/2" DOUBLE WASHED STONE FOR s" as as APPROVED r' « FABRIC) 2' EFF. ®a1301a DEPTH aaaa669 —3/4" TO 1-1/2" DOUBLE PROPOSED 4 4.8' 4' WASHED STONE INV.=104.17 INV.=104.00 D BOX INV.=105.00 EFFECTIVE WIDTH = 12.8' 3 OUTLETS INV.= H-20 103.30 2-500 GALLON LEACHING CHAMBERS SURROUNDED WITH STONE AS SHOWN H-20 RATED TOP CONC. ELEV.= 104.1 f BREAKOUT ELEV.= 103.50 INV. ELEV.= 103.00 aaaa0 BOTTOM ELEV.= 101.00 2x8.5'=17.0' I 4 4' OF NATURALLY OCCURRING PERVIOUS MATERIAL EFFECTIVE LENGTH = 25.0' 5' (MIN.) ABOVE G.W. LEACHING SYSTEM SECTION BOTTOM OF TEST PIT, EL.=93.80 SEPTIC SYSTEM PROFILE NUMBER OF BEDROOMS: 3 BEDROOMS SOIL TEXTURAL CLASS: CLASS I (LOADING RATE=0.74 GPD/SF) DESIGN PERCOLATION RATE: <2 MIN/IN DAILY FLOW: 330 GPD DESIGN FLOW: 330 GPD GARBAGE GRINDER: NO -not allowed with design LEACHING AREA REQUIRED: (330 GPD) = 445.9 SF .74 GPD/SF PROPOSED SEPTIC TANK: 1500 GALLON CAPACITY PROPOSED D-BOX: 1 INLET, 1 OUTLET (MINIMUM), H-10 RATED USE 2-500 GALLON LEACHING CHAMBERS IN SERIES SURROUNDED BY DOUBLE WASHED STONE ON ALL SIDES SIDEWALL AREA: 2(12.8' + 25.0') X 2 = 151.2 S.F. BOTTOM AREA: 12.8' x 25.0' = 320.0 S.F. TOTALAREA: .............................................................. 471.2 S.F. DESIGN FLOW PROVIDED: 0.74 GPD/SF(471.2 SF) = 348.7 GPD SOIL LOG DATE: MAY 31, 2023 SOIL EVALUATOR: PETER McENTEE, P.E. SE-1542 WITNESS: JAY GARDINER HEALTH AGENT ELEV. TP DEPTH 105.3 A 0" LOAMY SAND 10YR 4/2 1 04.6 8" B MED. SAND 10YR 5/8 102.5 C 34" MED. SAND 2.5Y 6/6 93.8 ' ' 132" PERC RATE 2 MIN/IN. ("C" HORIZON) NO GROUNDWATER ENCOUNTERED / EXISTING', HOUSE&97) T. 0. F. =107. 7f 6 h PROPOSED S.A.S. 2-500 GALLON CHAMBERS SURROUNDED W/4' OF STONE SEPTIC LAYOUT �t-ttt-tt-tt_f U t-lt-ft-tt-t 1_1r- t_tr-fr-lt_fr-tt_tr-fr-lt_f ' � 1-f t-f ►►-1 t-f t-1 =f t-f t-f t-f t-f t_f� 1=) tE= 1�1 t� t�f 102" 4" KNOCKOUT 20" DIA. COVER 4" KNOCKOUT 0 / 4" KNOCKOUT 4" KNOCKOUT 500 GALLON CAPACITY, H-20 LOADING CHAMBERS N.T.S. 37" 58" PROPOSED SEPTIC SYSTEM UPGRADE PLAN _ 97 FREEMAN ROAD, YARMOUTH PORT, MA _ Prepared for: Max Powell, 592 Cross Country Lane, Southern Pines, NC 28387 Engineers: Engineering Works, Inc. 12 West Crossfield Road Forestdale, MA 02644 (508) 477-5313 Surveyors: Richard J. Hood PL5 12 Settlers Path Sandwich, MA 02563 (508) 246-6260 SCALE NTS DRAWN P.T.M. JOB. NO. 175-23 DATE 6/3/23 CHECKED P.T.M. SHEET NO. 2 of 2