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Sewage Disposal System 7/1/19LITTLE RIVER ROAD DARTM 0 UTH SITE SITE LOCUS SCALE: 1 "=2000' LEGEND -- PROPERTY LINE 0 0 o SEPTIC TANK C7 DISTRIBUTION BOX ---10--- EXISTING CONTOUR Qp PROPOSED CONTOUR ♦19.4 SPOT ELEVATION ® TEST PIT RESERVE AREA W WATER LINE FINISH GRADE OVER 20.8 2" LAYER OF PEASTONE TANK = THREE (3) 20-INCH MANHOLES WITH REMOVABLE CAST IRON OR CONCRETE COVERS OF DURABLE MATERIAL BUILT UP WITH CONCRETE RISERS 4" PERFORATED SDR 35 PVC PIPE FINISH GRADE AT HOUSE = 21.25 TO WITHIN 6" OF GRADE (3 10 CMR 15.228 (2)) 4" SOLID WALL THROUGH M/DOLE CHAMBERS FINISH GRADE ELEVATION A TOP OF FOUNDATION PVC PIPE = 19.4+ ELEVATION = 22.0 (MINIMUM) (MINIMUM) TOPSOIL AND SUBSOIL BACKFfLL SLOPE = 29 nR-q 0 0 0 17,9 00000a000000000a0000000a000aoa 19.05 F1;8. H-20 CAP ALL ENDS 1,500 GAL BOTTOM OF CHAMBERS (BED) TO BE LEVEL; ELEVATION = 17.4 OF PERF• PIPES BASEMENT SLAB 18.85 REINFORCED 7 '_►, ELEVATION = 14Z5 SEPTIC TANK 18.LENGTH OF BED= 5 CULTEC CONTACTOR® 100 CHAMBERS 17.9 COARSE * � A COARSE 1 CLEAN BEVEL STABLE ASEI SAND BOTTOM OF EXCAVATION ELEVATION = 11.0 SAND HIGH WATER TABLE ELEVATION = 13.4 *6" MIN. INTO C2 SOIL HORIZON LEVEL STABLE BASE THAT HAS BEEN MECHANICALLY COMPACTED AND ONTO WHICH Six (6) INCHES of SOIL ABSORPTION SYSTEM NOTES: CRUSHED STONE HAS BEEN PLACED TO MINIMIZE UNEVEN SETTLING (310 CMR 15.228 (1)) 1. ALL SYSTEM COMPONENTS SHALL BE MARKED WITH MAGNETIC TAPE OR A COMPARABLE MEANS IN ORDER TO LOCATE THEM ONCE BURIED (310 CMR 15.221) 2. ALL SOIL ABSORPTION SYSTEMS SHALL HAVE A MINIMUM OF ONE. INSPECTION PORT CONSISTING OF A PERFORATED FOUR INCH PIPE PLACED VERTICALLY DOWN INTO SEPTIC SYSTEM PROFILE THE STONE TO THE NATURALLY OCCURING SOIL OR SAND FILL BELOW THE STONE. NOT TO SCALE THE PIPE SHALL BE CAPPED WITH A SCREW TYPE CAP AND ACCESSIBLE TO WITHIN THREE INCHES OF FINISH GRADE (310 CMR 15.240). MISHAUM � . 0- POINT ROAD PROPOSED 20-FOOT f UPOLEOPENING IN STONE WALL 294/ 12-1/2 ;5V 1 UPOLE E 294/12 .20.5 PROPOSED - - - / WELL SUB LOT #2 21.25+ / 5' OVERDIG = LIMIT OF EXCAVATION (IMPERMEABLE BARRIER ALON °° PROPOSED S5 SOUTH, EAST AND NORTHERLY SIDES) �-- 5-BEDROOM HOUSE 21.25 / • TOF=22.0 20.3 ti BSMT-1 A 75 i CURRENT MAPPED � LIMIT OF ZONE AE 19.4 ZONE X / 19.4 ZONE AE (EL. 12) cl c te �_.. SUB LOT 1 -10- _ (PLAT 11, LOT 33) ZONE VE (EL.17) 25 ---�� ZONE VE 22 , 2 24 26 (EL.18) 21 ol 9 20 BUZZARDS BAY (11DAL POND) NOTES: SCALE: 1 " = 30' 30 0 15 30 60 SCALE IN FEET BENCHMARK: 1. CUT NAIL IN UTILITY POLE #294/13 LOCATED ALONG MISHAUM POINT ROAD, 110'f SOUTH OF MAINTENANCE BUILDING ON SUB LOT #2. ELEVATION = 26.08 (NAVD 88) 1. .PROPERTY INFORMATION WAS TAKEN FROM AN ANR PLAN OF LAND, PREPARED BY BOUCHER & ASSOCIATES INC., DATED APRIL 4, 2019, REVISED APRIL 25, 2019. 2. THE WETLAND LIMIT WAS DELINEATED BY DAVID PICHETTE, WETLAND SCIENTIST, AND VERIFIED BY WETLAND SITE INSPECTION, PREPARED BY MARC GARRETT, CONSERVATION AGENT, DATED NOVEMBER 20, 2017. 3. THERE ARE NO WELLS WITHIN 200-FEET OF THE PROPOSED SOIL ABSORPTION SYSTEM OTHER THAN THE PROPOSED WELL SHOWN HEREON. 4. THE FLOOD ZONES SHOWN HEREON ARE TAKEN FROM F.E.M.A. F.I.R.M. PANEL #25005CO487F DATE 7/7/09. 5. THE SLOPE OF THE UPLAND AREA ON THE PROPERTY IS FLATTER,THAN 10:1. THUS, THERE ARE NO COASTAL BANKS LANDWARD OF THE LIMIT OF WETLAND. ZONE AE, EL. 12 (REFER TO LOMA FILING CASE NO. 19-01-12674) PLAT 11 LOT 33 THERE SHALL BE AN AIR SPACE CAST IRON OR CONCRETE COVER SHALL BE BROUGHT TO GRADE OF AT LEAST 3" BETWEEN THE WITH CONCRETE RISER OVER THE OUTLET TEE FILTER TOPS OF THE TEES AND THE (310 CMR 15.227 (7)) AND TO WITHIN 6-INCHES OF GRADE BOTTOM OF THE COVERS. OVER THE OTHER TWO COVERS (310 CMR 15.228 (2)). 6" MAX. 3" MIN. rn 3" 6" 4" PVC 10" 14" 4" PVC INLET MIN. J OUTLET 1,500 GALLON REINFORCED o 0 CONCRETE i = SEPTIC TANK cy PROVIDE GAS BAFFLE (310 CMR 15.227 (4)) SET ON LEVEL & STABLE BASE (6" COMPACTED GRAVEL SEPTIC TANK D ETAI L OR COMPARABLE) NOT TO SCALE TEST PIT DATA DATE OF TEST. 12/06/17 DATE OF SOIL EVALUATION: 12106117 INSPECTOR COURTNEY COHEN, D. B. 0. H. AGENT PERFORMED BY- ALAN. J. HEUREUX, P.E. 0" TEST PIT 11 15.4 0" TEST PIT 12 15.2 0" TEST PIT 13 16.4 0" TEST PIT 14 16.4 A SANDY LOAM 10 YR 3/2 10" CRUMBS 14.6 B SANDY LOAM 7.5 YR 5/6 28" FRIABLE 13.0 C1 SANDY LOAM 10 YR 5/3 40 MOD. FIRM 12.0 C2 SANDY LOAM 7.5 YR 5/3 FIRM MOTTLES ® 40" 10 YR 6/2 7.5YR 5/6 108" 6.4 A SANDY LOAM 10 YR 3/2 12" CRUMBS 14.2 B SANDY LOAM 7.5 YR 5/6 30" FRIABLE 12.7 C1 SANDY LOAM 10 YR 5/3 4100 MOD. FIRM 11.8 C2 SANDY LOAM 7.5 YR 5/3 FIRM MOTTLES ® 41 " 10 YR 6/2 75YR 5 6 110" 6.0 A SANDY LOAM 10 YR 3/2 11 " CRUMBS 15.5 B SANDY LOAM 75 YR 5/6 29 FRIABLE 14.0 C1 SANDY LOAM 10 YR 5/3 39" MOD. FIRM 13.1 C2 SANDY LOAM 7.5 YR 5/3 FIRM MOTTLES 0 38" 10 YR 6/2 7.5YR 5/6 108" 7.4 A SANDY LOAM 10 YR 3/2 12" CRUMBB 15.4 B SANDY LOAM 7.5 YR 5/6 30" FRIABLE 13.9 C1 SANDY LOAM 10 YR 5/3 38" MOD. FIRM 13.2 C2 SANDY LOAM 75 YR 5/3 FIRM MOTTLES 0 39" 10 YR 6/2 7.5YR 5/6 110" 7.2 WATER TABLE. 40» WATER TABLE.- 41 " WATER TABLE: 38" WATER TABLE: 39" BOTTOM OF PERC HOLE 48 BOTTOM OF PERC HOLE. PERC. RATE. 30 MIN/IN PERC. RATE: 21 MIN/IN 2" LAYER OF PEASTONE GENERAL NOTES 1.) THIS SYSTEM SHALL BE INSPECTED WHEN THE LEACHING AREA IS 9.) GROUT SHALL BE USED AT ALL POINTS WHERE PIPES ENTER OR FULLY EXCAVATED, WHEN ALL COMPONENTS ARE IN PLACE AND AGAIN EXIT ALL CONCRETE STRUCTURES TO PROVIDE A WATERTIGHT SEAL. AFTER FINAL COVER TO GRADE IS COMPLETE. THE CONTRACTOR SHALL NOTIFY THE LOCAL BOARD OF HEALTH AND THE ENGINEER A MINIMUM 10.) ALL SHIPLAP JOINTS IN THE SEPTIC TANK SHALL BE SEALED WITH OF 24 HOURS IN ADVANCE OF ANY REQUIRED INSPECTIONS. NEOPRENE GASKETS OR ASPHALT CEMENT. 2.) ALL BASE AGGREGATE FOR LEACHING STRUCTURES SHALL CONSIST 11.) ALL PVC PIPE USED SHALL MEET ASTM D 3034-73 SDR 35 AND OF DOUBLE WASHED STONE 3/4 TO 1 1/2 INCHES IN DIAMETER AND 310 CMR 15.251(5) EXCEPT INLET AND OUTLET TEES WHICH SHALL BE SHALL BE FREE OF IRON, FINES AND DUST IN PLACE (310 CMR 15.247 (1) (2). SCHEDULE 40 PVC. 3.) ELEVATIONS FOR THE SYSTEM ARE BASED ON THE DATUM SHOWN. 12.) SOME MANHOLE LOCATIONS SHOWN ON THE PRECAST CONCRETE STRUCTURES MAY NOT BE STANDARD LOCATIONS AND MUST BE 4.) THE CONTRACTOR SHALL NOT ALLOW ANY HEAVY EQUIPMENT TO BE SPECIALLY ORDERED AS SUCH FROM THE SUPPLIER. OPERATED OVER THE LIMITS OF THE SEWAGE DISPOSAL SYSTEM DURING CONSTRUCTION OF THE SYSTEM. 13.) THE CONTRACTOR SHALL EXCAVATE ALL UNSUITABLE MATERIAL IN THE LEACHING AREA SHOWN ON THE PLAN AND BACKFILL WITH CLEAN 5.) NO FIELD MODIFICATIONS SHALL BE MADE TO THE SYSTEM WITHOUT GRAVEL OR COARSE SAND (310 CMR 15.255 (3)). PRIOR WRITTEN APPROVAL FROM THE ENGINEER AND THE TOWN BOARD OF HEALTH. 14.) A CERTIFICATE OF COMPLIANCE AS REQUIRED BY TITLE V. 310 CMR 15.021, MUST BE OBTAINED BY THE CONTRACTOR UPON 6.) UNLESS OTHERWISE NOTED, ALL SYSTEM COMPONENTS SHALL BE COMPLETION OF THE WORK. IF AN "AS -BUILT" PLAN IS REQUIRED INSTALLED IN ACCORDANCE WITH THE CURRENT EDITION OF TITLE V OF DUE TO THE CONTRACTOR DEVIATING FROM THESE PLANS, THE COST THE STATE ENVIRONMENTAL CODE AND APPLICABLE TOWN REGULATIONS. OF SAID "AS -BUILT" PLAN SHALL BE PAID FOR BY THE CONTRACTOR. 27 7.) AT ALL POINTS OF INTERSECTION OF WATER LINES AND SEWER 15.) THE CONTRACTOR SHALL BE RESPONSIBLE FOR VERIFYING THE > LINES, MECHANICAL JOINT CAST IRON PIPE SHALL BE INSTALLED FOR ACTUAL LOCATION OF ANY EXISTING UTILITIES SHOWN ON THIS PLAN. BOTH LINES FOR 10' ON EITHER SIDE OF THE INTERSECTION POINT. 16.) THIS SEPTIC SYSTEM IS NOT DESIGNED FOR THE USE OF A 8.) THE PRECAST CONCRETE SEPTIC SYSTEM COMPONENTS SHALL BE GARBAGE DISPOSAL UNIT. MANUFACTURED BY BRISTOL COUNTY PRECAST, INC., WESTPORT, MA OR AN APPROVED COMPARABLE SUBSTITUTE. 17.) IT IS RECOMMENDED THAT THE SEPTIC TANK BE PUMPED OUT AT LEAST ONCE EVERY THREE YEARS. FINISH GRADE S=0.02 -- 119.4 10 9 I 1 TOP OF CHAMBER=18.4 vMIN. 6" MIN. 3 -1 1 5' OVERDIG BOTTOM OF 40 MIL H.D.P.E IMPERVIOUS BARRIER CHAMBER=17.4 CONTACT: WESTPORT WIN WATER WORKS CO. 833 STATE ROAD, WESTPORT, MA (508) 646-1222 (OR APPROVED COMPARABLE SUBSTITUTE). BOTTOM OF EXCAVATION=15.5 �k IN ACCORDANCE WITH MDEP POLICY/SOP/GUIDELINE #BRP/DWM/WPeP/G02-1 DATED 3/1/02 (www.state.ma.us/dep/brp/wwm/t5pubs.htm) IMPERVIOUS' BARRIER WITH SIDE SLOPE* NOT TO SCALE SEPTIC SYSTEM COMPONENTS SEPTIC TANK: USE A 1,500 GAL. TANK AS MANUFACTURED BY BRISTOL COUNTY PRECAST, INC., WESTPORT, MA OR APPROVED COMPARABLE SUBSTITUTE. DISTRIBUTION BOX: USE A 9 OUTLET H-20 DISTRIBUT70N BOX AS MANUFACTURED BY BRISTOL COUNTY PRECAST, INC., WESTPORT, MA OR APPROVED COMPARABLE SUBSTITUTE. SYSTEM DESIGN DATA DESIGN CAPACITY•• , BEDROOMS 0 110 GAL/DAY= 550 GAL/DAY REQUIRED EFFECTIVE LEACHING AREA: 550 GAL/DAY / 0.33 GAL/DAY/SF= 1, 667 SF LEACHING CHAMBER DESIGN CALCULATIONS: 75 L.F. CONTACTOR® 100 CHAMBER X 5 S.F•/L.F•= 375 S F•/CHAMBER * * 1N ACCORDANCE WITH M.D.E•P. MODIFIED CERTIFICATION FOR GENERAL USE DATED 12122105 45 CHAMBERS X 37.5 S.F./CHAMBER= 1,687 S. F• FINISH GRADE 4 i rWTi� 4T-1-wi � 1 i�"+i W-1 I ' 11171 i�-�+i,IiW, Ii'' i"i iTi "iTr F"-H 4" INLET + SETONLEVEL STABLE BASE (6" COMPACTED GRAVEL OR COMPARABLE,, - DISTRIBUTION BOX DETAIL =1111= m� DRAWN BY DESIGNED BY T.M.G. A.J.H. NOT TO SCALE RED MIRAFI 140N FILTER FABRIC OR - APPROVED COMPARABLE SUBSTITUTE TO AF DRAPFfI nIRFCTI Y OVER THE SECTION THROUGH LEACHING CHAMBERS LEACHING CHAMBERS NOT TO SCALE THE APPROVAL13YTHHIS OFFICE DOES NOT GUARANTEE THE ........,...r.,. 4, .& ,.., w VBOARD vi r �� zm.. BOARD OF HEALTH, . CULTEC CONTACTORS 100 (STANDARD DUTY) J" - 11" DOUBLE WASHED STONE THIS SYSTEM IS NOT D SIGNED FOR GARBAGE GRI )ER, CONSTRUCTION OF THIS SEPTIC SYSTEM WHIRLPOOL OR OT ER MUST BE COMPLETED WITHIN THREE (3) HIGH WATER USE DE [ICES YEARS OF THE DATE OF APPROVAL APPROVED BY TOWN OF DARTMOUTH ENGINEERS AS -BUILT P AN & BOARD OF HEALTH CERTIFICATION STATEMENT ;SQUIRED DATE: t� ��' �� BOARD OF HEALT AGENT:"" .��.r...r,.r.�`�---- INSPECTION REQUIRED rrr.� ..��✓ rrrrwrrrr.wrMMMrrM� WHEN EXCAVATED I HEREBY CERTIFY THAT THE FIELD DATA SHOWN HEREON WAS STAMP OF P.E. OBTAINED UNDER THE DIRECT SUPERVISION OF A PROFESSIONAL CIVIL ENGINEER AND/OR PROFESSIONAL LAND SURVEYOR, LICENSED IN THE COMMONWEALTH OF MASSACHUSETTS UNDER THE PROVISIONS OF 250 CMR 2.00-6.00, AND THAT THIS PLAN IS AN ACCURATE REPRESENTATION OF THE DATA AS OF THE TIME IT WAS GATHERED. ALAN J. HEUREUX, P.E. DATE THIS PLAN SHALL NOT BE VALID UNLESS THE SIGNATURE OF THE ABOVE NAMED PERSON IS AN ORIGINAL SIGNATURE AND THE PROFESSIONAL SEAL APPEARS IN RED INK. SUBSURFACE SEWAGE DISPOSAL SYSTEM SITE LOCATION: MISHAUM POINT ROAD DARTMOUTH MA APPLICANT: PARKER MISHAUM PARTNERSHIP C/O THOMAS PARKER 303 POPE ROAD eY CONCORD, MA 01742 PLAT: 11 LOT: 33 (SUB LOT #1) DATE: 07/01/2019 Boucher & Associates, Inc. LAND SURVEYORS 7 CONSULTANTS SHEET 1 OF 1 648 AMERICAN LEGION HIGHWAY DRAWNG NO: WESTPORT, MASSACHUSETTS 02790 3333-01_LCT 1-SSDS.dw (508) 636-5905 ✓08 NO.: 3333-01 COPYRIGHT© 2019 BOUCHER & ASSOCIATES, INC.