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HomeMy WebLinkAboutEngineered Plans - 2019LOCUS DATA CURRENT OWNER RICHARD S TUPPER PLAN REFERENCE 215-41 DEED REFERENCE 18121-241 ZONING DISTRICT R-25 FLOOD ZONE "X" ASSESSORS MAP 39 PARCEL 342 OVERLAY DISTRICT NONE LOT AREA 15,168± S.F. SITE & SEWAGE REPAIR PLAN #17 COA CHMA NS LANE IN W. YARMOUTH, MASS DATE: MAY 28, 2019 OWNER/APPLICANT: RICHARD S. TUPPER 17 COACH M AN S LANE W. YARMOUTH, MA 02673 508-280-6280 SHEET 1 OF 2 PREPARED BY: EAS SURVEY, INC. P.O. BOX 1729 SANDWICH, MA 02563 CELL (508) 527-3600 EAS. SU RVEY@YAH 00. COM / CATCH BASIN \ \ CATCH \ P 40.43' \ BASIN CI 8,25.00' LOT 11 //�� // Is, \\ 15,1681 S.F. / \J uZi X---�7Z(OACH N M 0 P� QAN ROAD o LOCUS 4 m 0 D O 28 LOCUS MAP NOT TO SCALE: \\\ \19-0113 Yarmouth H / o BENCHMARK GAR.\ ame \ / CORNER OF 1 GAR. \ CONCRETE PATIO \ ELEVATION 22.00 \ \ / KITCHEN LIVING \ \ PATIO BED #1 PIN BATH FOUND SHED \ \ 13.6' 12.8' .T. "S PROPOSED "D" BOX Raj. PROPOSED 13'x25' LEACHING S.A.S (2) 500 GALLON LEACHING CHAMBERS BED #3 ON SONO BED TUBES A , #2. 16. 12.5' z - -22 Date `21 CONCRETE BOUND FOUND OFA•fAn„ EDWARD o A U N STONE No.2898 0 t � EXISTING SEPTIC COMPONENTS TO BE PUMPED CRUSHED AND REMOVED OR ABANDONED IN ACCORDANCE WITH TI TLE 5. PROPOSED 1500 --/ GALLON SEPTIC TANK - _ —2o 0 20 30 40 VARIANCES REQUESTED PIN %?%e NONE o� FOUND GRAPHIC SCALE: CONCRETE c,.1 INCH = 20 FEET BOUND FOU N v: TOP OF FOUNDATION ELEV. 22.20 0%.'rn •ry - '+ F'VG INV.= INV.= 20.12 18.80 5'-7" 4'-6 1/2 JOB # 19-0113 FINISH GRADE ELEV. 21.0 10"TEE14"TEE INV.= INSTALL 18.60 GAS BAFFLE 4'-1" , LIQUID LEVEL 6" BASE OF CRUSHED STONE OR MECHANICALLY COMPACTED FILL 1,500 GALLON PRECAST CONCRETE SEPTIC TANK SITE & SEWAGE REPAIR PLAN #17 C014CHMA NS LANE - IN ANEEIN W. YARMOUTH, MASS DATE: MAY 28, 2019 OWNER/APPLICANT: RICHARD S. TUPPER 17 COACHMANS LANE W. YARMOUTH, MA 02673 508-280-6280 SHEET 2 OF 2 PREPARED BY: EAS SURVEY, INC. P.O. BOX 1729 SANDWICH, MA 02563 CELL (508) 527-3600 EAS. SU RVEY@YAH 00. COM RAISE COVERS TO WITHIN 6" OF FINISH GRADE ELEV. 20.9 CENTER CHAMBER RISER FINISH GRADE RAISE TO WITHIN 6" OF FINISH GRADE V. 20.8 GROUND ELEVATION 20.4 10YR 6/8 1' MIN. -3' MAX. COVER 24' ®S= 0.05 TOP ELEV 18.0 2.5Y 7/4 PEA STONE AND/OR 4" PVC SCH 40 6' 'CS= 0.02 O O O O O o o O O O O O o FILTER FABRIC 2.5Y 6/2 132" 00 000 000 G� o 00000 i%� 00 00 3/4" TO 1 1/2" 6" 00 OO o 0 0 DOUBLE WASHED 3 OUTLET WO 5' -0"x8' -6"x3'-0" CHAMBERS 71NV7.12 CRUSHED STONE H-10 DB3 LINV.= INV.= 17.29 17.0 S.A.S. (13.0' x 25.0') p c7 aLu 15.0 14.26 `r o «i uS 8.6 CONSTRUCTION NOTES: 1. CONTRACTORS / INSTALLERS SHALL VERIFY GRADES AND ELEVATIONS AND SITE CONDITIONS PRIOR TO COMMENCING WORK ON THE SITE. 2. NO DETERMINATION HAS BEEN MADE AS TO COMPLIANCE WITH DEEDED OR ZONING REGULATIONS. OWNER / APPLICANT IS TO OBTAIN SUCH DETERMINATION FROM APPROPRIATE AUTHORITY. 3. ENGINEER TO VERIFY REMOVAL OF UNSUITABLE SOILS PRIOR TO INSTALLATION OF NEW SEPTIC SYSTEM. 4. NO PARKING OVER SEPTIC TANK IS ALLOWED. GENERAL NOTES: 1. ALL WORKMANSHIP AND MATERIALS SHALL CONFORM TO D.E.P. TITLE V AND THE TOWN OF YARMOUTH RULES AND REGULATIONS FOR SUBSURFACE DISPOSAL OF SEWERAGE. 2. AT LEAST ONE ACCESS POINT OVER TANK TEES SHALL BE ACCESSIBLE WITHIN 3" OF FINISH GRADE, WITH ANY REMAINING ACCESS PORTS BROUGHT TO WITHIN 12" OF FINISH GRADE. 3. ALL COMPONENTS OF THE SANITARY SYSTEM SHALL BE CAPABLE OF WITHSTANDING H-10 LOADING UNLESS OTHERWISE SPECIFIED. 4. THE EXCAVATION CONTRACTOR SHALL VERIFY THE LOCATION OF ALL UTILITIES PRIOR TO ANY EXCAVATION. 5. ANY MASONRY UNITS USED TO BRING COVERS TO GRADE OR WITHIN 6" OF GRADE SHALL BE MORTARED IN PLACE. 6. FINISH GRADE SHALL HAVE A MINIMUM OF 0.02 FEET PER FOOT OVER THE S.A.S. AND DISTRIBUTION BOX. 7. SEPTIC TANK SANITARY TEE'S SHALL BE CONSTRUCTED OF SCHEDULE 40 PVC AND SHALL EXTEND A MINIMUM OF 6" ABOVE THE FLOW LINE AND SHALL BE ON THE CENTERLINE AND LOCATED DIRECTLY UNDER THE CLEAN OUT MANHOLES. 8. THE INLET PIPE INVERT ELEVATION SHALL BE NO LESS THAN 2 INCHES NOR MORE THAN 3 INCHES ABOVE THE INVERT ELEVATION OF THE OUTLET PIPE. 9. THE SEPTIC TANK SHALL HAVE A MINIMUM COVER OF 9 INCHES 10. THE OUTLET SANITARY TEE SHALL BE EQUIPPED WITH A GAS BAFFLE, 4 INCHES IN DIAMETER AND CONSTRUCTED OF 4" PVC 11. ALL PIPES SHALL BE SCHEDULE 40 PVC SEWER PIPE AND SHALL BE SLOPED 1/4 INCH PER FOOT MIN. EXCEPT FOR THE FIRST TWO FEET OUT OF THE DISTRIBUTION BOX WHICH SHALL BE LEVEL 12. CHANGES OR REVISIONS TO SEPTIC DESIGN REQUIRE NOTIFICATION TO EAS SURVEY INC. FOR B.O.H. AND DESIGN ENGINEERS REVIEW AND APPROVAL. 13. MAGNETIC TAPE ON ALL COMPONENTS. ••••• ••••• ••••• ••••• 4.0'---�---- 5.0' -� f -- 4.0'---� 13.0' SIDE VIEW DATUM: VERTICAL DATUM: YARMOUTH GIS± BENCH MARK USED: CORNER OF CONC. PATIO ELEVATION 22.00 NO MOTTLING NO WEEPING SYSTEM DESIGN DESIGN FLOW 3 BEDROOMS AT 110 GPB/D 23-Q GPD REQUIRED SEPTIC TANK 330 x_2 '= 660 GAL. SEPTIC TANK PROVIDED = -.12Q-Q--GAL. SIZE OF LEACHING FACILITY REQUIRED DESIGN PERC RATE __«_--- MIN./INCH LONG TERM APPL. RATE_2•74_GPD/S.F. SIZE OF LEACHING SYSTEM PROVIDED: 330 + 0.74 SF/GPD = 446 S.F. MIN. REQ. USING H-20 CONCRETE LEACHING CHAMBERS WITH 4' OF STONE ALL AROUND BOTTOM (13.0' x 25.0') = 325 S.F. SIDE WALL (13.0' + 25.0') 2x2 = 152 S.F 477 S.F. 477 S.F.x 0.74 G/SF = 353 GPD 353 GPD PROV > 330 GPD REQ. = 23 GPD RES. NO (GARBAGE DISPOSAL / GRINDER ALLOWED) DTH #1 INDICATES DEEP TEST HOLE �.� 144" INDICATES ADJ. GROUNDWATER _ NO OBSERVED GROUNDWATER INDICATES PERC TEST GROUNDWATER ADJUSTMENT DEPTH TO BOTTOM OF HOLE 12.0' B.O.H. B. MURPHY SOIL EVALUATOR ED. STONE BACKHOE OPERATOR. ELLIS BROTHERS SOIL TYPE: -L PERC RATE: <2 MIN. PER INCH LOADING RATE: 074 GAL/SF/MIN D.T.H. #1 i' DATE: 5/15/19 GROUND ELEV. 20.6 ADJ G.WATER 8.6 A/E LOAMY SAND 1OYR 3/2 1OYR 5/1 10" B LOAMY SAND 7.5YR 5/6 30" ELEV = 18.171 C-1 48" COARSE SAND 10YR 6/8 60" C-2 MEDIUM SAND 2.5Y 7/4 124" C-3 FINE SAND 2.5Y 6/2 132" C-2 MEDIUM SAND 2.5Y 7/4 NO G.WATER 144" ELEV = 8.6