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HomeMy WebLinkAboutEngineered Plans - Rev. 2016LEGEND PROPOSED CONTOUR ® PROPOSED SPOT GRADE EXISTING CONTOUR + 96.52 EXISTING SPOT GRADE W- EXISTING WATER SERVICE S TEST PIT / //`` 7 b- Z"'1 - l( - 'o O 8 1 1 LOT 126 \\ \\ 27.3 AREA=10,761± S.F. \ \\ 11 1 O 1 1 O 26.0 28 Q �I X26 �• Q 1 TBM = EL. 28.0 '( 101 27.0 �I TOP OF STEP 1 O 27.�i 26 lGys EXIST. 1,000G 24• LEACH PIT ► Q note 10 1 5 22.0 - Co -- 24 -22 14.0 WF# I, WETLAND DELINEATED BY: BRAD HALL EXIST. 1,000G SEPTIC TANK 14. wf#2 (to remain) GENERAL NOTES: I. 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, EXCEPT AS REQUESTED BELOW: - 310 CMR 15.405 (1) (B): 1) A 0.61 FT. VARIANCE FROM 310CMR15.221(7) TO ALLOW LEACHING TO BE 3.61 FT (MAX) BELOW GRADE VS REQ'D 3 Fr. (H20/VENT PROVIDED) - TOWN OF YARMOUTH REG 3.7: 2) A 5 FL VARIANCE FROM YARMOUTH BOARD OF HEALTH REG. 3.7 TO ALLOW SEPTIC TANK TO BE 45 Fr FROM WETLAND VS. 50 FT. 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. ALL AREAS DISTURBED DURING CONSTRUCTION SHALL BE RESTORED TO A CONDITION AGREED UPON BETWEEN OWNER AND CONTRACTOR. 9. IT SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO VERIFY THE THE LOCATION OF ALL UNDERGROUND UTILITIES, PRIOR TO BEGINNING CONSTRUCTION. 10. EXISTING LEACHING TO BE PUMPED, CRUSHED AND FILLED WITH CLEAN MEDIUM SAND PER TITLE 5. 11. 48 HOUR NOTICE FOR ENGINEER CERTIFICATION 12. THIS PLAN IS TO BE USED FOR SEPTIC SYSTEM PURPOSES ONLY AND IS NOT TO BE CONSIDERED A PROPERTY UNE SURVEY 13. NO PRIVATE WELLS WITHIN 150. OF PROPOSED LEACHING. 14. NO WETLANDS WITHIN 100' OF PROPOSED LEACHING. 15. ALL PIPING TO BE 4' SCH 40 O 1/8'/FT (UNLESS SPECIFIED) 16. ANY AREAS WITHIN 100 FT OF WETLAND AREA THAT ARE DISTURBED DURING CONSTRUCTION SHALL BE REVEGETATED IMMEDIATELY. 17. HAYBALES AND SILT FENCE TO BE INSTALLED AS SHOWN TO MINIMIZE EROSION. 18. DEBRIS, INCLUDING UTTER, SHALL BE PICKED UP IMMEDIATELY. NO DEBRIS IS ALLOWED IN THE WETLAND AT ANY TIME. 19. ANY EXCESS MATERIAL GENERATED FROM EXCAVATION SHALL BE DISPOSED OF OFF SITE AT AN APPROVED LOCADON. Permit valid for REPAIR OF $I?PTIC StiSTEM ONLY, d'ue to State and 1 ueal septic variances. Board of I'Ieatth review and Appro%al is required Cur any future additions/renova(ions/altera.tions to sewage facilitiesand/or structures/dwelling. Yarmouth 111lealt1) I)eltartmr�t APPROVED LIV. \ �� RM FAM BED \ RM RM BED RM \ BA711 KIT FLOOR PLAN SCALE: 1"=20' SOUTH YARMOUTH M I � CAPT. NOYES ROAD -4 f-- LOCUS :0 SWIFTBROOK RD. WINDING BROOK RD. WINSLOW GRAY RD. LOCUS INFORMATION TITLE REF: 01281809 PARCEL ID: MAP 068 PAR. 007 LOCUS MAP SEPTIC SYSTEM REPAIR PLAN LOCATED AT: 73 SWIFTBROOK ROAD SOUTH YARMOUTH, MA PREPARED FOR MARIA MAININI JUNE 3, 2016 REV. JUNE 23, 2016 �� OF Mgss9� D 1� p� E� MEYER & SONS, INC. P.O. BOX 981 EAST SANDWICH, MA. 02537 PH: (508)360-3311 FAX: (774)413-9468 meyerandsonstitle5@gmail.com www.meyerandsons.com SHEET 1 OF 2 J#1744 ,70 ELEV. TOP NOTE: MAGNETIC TAPE TO BE PLACED OVER ALL COVERS FOUNDATION (Existing) SEPTIC TANK PROPOSED D -BOX - 28'0 INSTALL RISERS & COVERS OVER INLET & INSTALL RISER & COVER OUTLET AND SET TO 6" OF FINISH GRADE SET TO 6" OF GRADE F.G.EL: 27.0 F.G. EL.=26.50± F.G. EL: 27.0± 9" MIN COVER/ 36" MAX COVER L = 60' L = 10'( AX) 0 S=1% (MIN.) EL.= 26.25 0 S=1% (MIN.) 0 S=1%` MIN.) 4"SCH40 PVC 4`SCH40 PVC 4"SCH40 PVC INV.=25.20 J . 48" LIQUID INV.=24.95 LEVEL . 1 GAS BAFFLE • \ r. ... .... .. ....•. •,_. ,.:... _, ,.. INV.=24.30 in Am M M EXIST. 1.000 GALLON SEPTIC TANK EXIST. SEWER OUTLET EL.= 25.42 NOTES: 1) CONTRACTOR SHALL VERIFY ALL EXISTING PIPE INVERTS PRIOR TO CONSTRUCTION 2) D -BOX SHALL BE SET LEVEL AND TRUE TO GRADE ON A MECHANICALLY COMPACTED SIX INCH CRUSHED STONE BASE, AS SPECIFIED IN 310 CMR 15.221(2) 3) REPLACE EXISTING 1,000 GALLON SEPTIC TANK WITH 1500 GALLON SEPTIC TANK IF FAILED, DAMAGED, NOT H2O LOADING, OR UNDERSIZED. Al INSTALL INLET & OUTLET TEES W/ 11.3" TO INVERT INV.=23.00 - PROPOSED V D -BOX INV.=24.10 DB - t!12 -0) B -H 0 BREAKOUT=TOP ELEV.=23.39 INV. ELEV.= 23.0 BOTTOM ELEV.= 22.06 NOTE: TO PREVENT BREAKOUT, THE PROPOSED FINISH GRADE SHALL NOT BE < EL:78.0 FOR A DISTANCE OF 15' AROUND THE PERIMETER OF THE S.A.S. PROPOSED S.A.S. INSTALL A 4" DIAMETER INSPECTION PORT OVER ONE CHAMBER (MIN.) AND SET TO 3" OF F.G. /-F.G. EL: 27.0(MAX.) INSTALL TWO INSPECTION PORTS (MIN.) 4 ROWS OF 4 UNITS AT 6.25'/UNIT = 25'/ROW SOIL ABSORPTION SYSTEM (PROFILE RESTORE VEGETATIVE COVER BACKFILL WITH CLEAN PERC SAND �'-- AND COMPACT THE 18" OF MATERIAL _ ABOVE CHAMBERS FOR H2O LOADING 2.83' EXISTING SUITABLE MATERIAL 5' MIN. ABOVE BOTTOM OF I T.P. EXCAVATION OR G.W. EFFECTIVE WIDTH = 4 x 2.83' = 11.32' (6.64' PROVIDED) USE 4 ROWS OF 4 -HIGH CAPACITY BOTTOM OF TESTHOLE: EL: 15.42 = INFILTRATOR (H20) UNITS W/ ENDCAP-NO STONE GAS BAFFLE AS REQUIRED SEPTIC SYSTEM PROFILE N.T.S. DESIGN CRITERIA NUMBER OF BEDROOMS: 3 BEDROOM DESIGN DESIGN FLOW: RESIDENTIAL: 3 BEDROOMS 0 110 GPD/BR = 330 GPD DESIGN PERCOLATION RATE: <2 MIN/IN SOIL TEXTURAL CLASS: CLASS 1 (0.74 GPD/SF) GARBAGE GRINDER: NO (not designed for garbage grinder) DISTRIBUTION BOX: USE DB -5 (H20) SEPTIC TANK: 330 gpd x 200% = 660 gpd USE EXIST. 1,000G SEPTIC TANK LEACHING AREA REQUIRED: (330)/.74 = 445.94 S.F. PRIMARY S.A.S. USE 4 ROWS OF 4 - HI -CAP INFILTRATOR H-20 UNITS -NO STONE BOTTOM AREA: (GENERAL USE APPROVAL FOR 4.73 SF/LF OF CHAMBER) (CHAMBER) 16 UNITS x 6.25 LF x 4.73 SF/LF = 473.0 SF TOTAL AREA = 473 SF DESIGN FLOW PROVIDED: 0.74GPD/SF(473SF) = 350 GPD > 330 GPD req'd TYPICAL SECTION H.T.s. SOIL LOGS DATE: ARPIL 28, 2016 SOIL EVALUATOR: DARREN M. MEYER, RS, CSE 1614 WITNESS: AMY VONHONE, YARMOUTH HEALTH Elev. TP- 1 Depth 27.00 0" 26.17FILL A 10" IB" LOAMY SAND 1OYR 3/2 25.50 B 18" LOAMY SAND 10YR s/s 23.25 C 45" PERC ® SECTION 11, EL 23.25 MEDIUM SAND 2.5Y 7/3 INVERT HEIGHT END CAP 20.17 82` C2 INFILTRATOR - HI CAPACITY (H20) CHAMBER FINE SAND 2.5Y 7/2 PROPOSED SEPTIC SYSTEM UPGRADE PLAN 15.42 139" PERC RATE <2 MIN/IN. ("C" HORIZON) ASSUMED NO GROUNDWATER OBSERVED • 1, Darren M. Meyer, R.S., CSE, hereby certify that I am currently approved by MADEP pursuant to 310 CMR 15.017 to conduct soil evaluations and that the above analysis has been performed by me consistent with the requirements of 310 CMR 15.017. 1 further certify that I have passed the Soil Evol. Exam in October, 1999. 73 SWIFT BROOK ROAD, WEST YARMOUTH, MA Prepared for: Mainini System Design and Site Plan by: SCALE DRAWN DATE MEYER& SONS, INC. N.T.S. DMM 06/03/16 PO BOX 981 EASTSAIVDIMCH, MA 02537 REV. DATE CHECKED SHEET NO. 508-882-2922 06/23/16 DMM 2 of 2