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HomeMy WebLinkAboutEngineer PlanTOP OF FOUNDATION EL. 100.0' EL. 98.0' M4pr4�" CAST IRON or E!2UIVALENT MIN. PITCH 1/4" PER FOOT 4" SCHEDULE 40 PVC PIPE L. 98.5' EL. 96.25' —10'(2.5% MIN.1 (DATUM: ASSUMED) 1500( FLOW LINE 98 RJ3 co DRIV BAFFLE SEPTIC SYSTEM PROFILE (not to scale) INSP. 2" o8 f I1 DOUBLE WASHED' to 1. PEAStONE-OR GEOTEXTILE FILTER FABRIC 4" SCHEDULE 40 PVC PIPE 0 sl� #38 0.24 ACRES* (SEPARATE 0 MAP 32 LOT 190 SYSTEM) 10.0, #38A LAIST. 2 BR 14-LAW APT, L13 (ftt 2' to be level) w SLEEVE SEWER LINE oe WITHIN 10' OF WATER LINE 1`-, 0 10.4' 9.61 14.1' EXISTING 4 BR c? DWELLING (DUPLEX) CRAWL 0 SPACE #36A & 9 EL. 95.0- 10;0_5R�= 0-0wo-O0 !1-1 00 00j;;0_? 0*40MF?050q0?0? 0 ARN14 0.27 ACRES* MAP 32 LOT 11 SOIL ABSORPTION SYSTEM (2) 500 GALLON CHAMBERS WITH 4' STONE AROUND IN A 12,83'W X 25. 01 X 2D CONFIGURATION Flaherty Environmental Services SAND P.O. Box 81 Yarmouth Port, MA 02675 • 2 506.36.1657 2.0' I N TH FYarmouth Health Department -- "PROVED NTS BENCHMARK. TOP OF FNDN EL. 100.0' OCT 2 51022 HEALTH DEPT---, 98 LOCAL VARIANCE REQUESTED: TO REDUCE THE ESTIMATED HIGH GROUNDWATER ADJUSTMENT FRAM 3.8'TO 0.5' WELL- MIW-29 ZONE- B READING- 9.66' DATE- SEPT.2022 ADJ.- 3.8' )'(WITH PROR AD].) LOCATION MAP At 28 LOCUS i DATE, 1011012022 REVISED. EXISTING AREA SITE AND SEWAGE PLAN FOR OF CESSPOOL 8 & 8 EXCA VA TZON, INC./ <S9 NOTE #9) JOAN HART 38A SOUTH SEA AVENUE SCALE: 1" 30' WEST YARMOUTH, MA REF. BSC PAN DATED 712712011 (REV) AN© PR OR Pr—T? PAGE f OF2 .................... r GENERAL NOTES 1, ALL PRECAST COMPONENTS TO BE H-10 RATED. ALL COMPONENTS WITH ANY ANTICIPATED VEHICULAR TRAFFIC TO BE H-20 RATED, 2. THE DESIGN OF THIS SYSTEM DOES NOT ALLOW FOR THE USE OF A GARBAGE GRINDER, 3, MUNICIPAL WATER IS AVAILABLE. 4. ALL CONSTRUCTION TO CONFORM WITH 310 CMR 15.000 AND ALL OTHER APPLICABLE LOCAL, STATE AND FEDERAL CODES AND REGULATIONS. 5. INSTALLER/CONTRACTOR TO REVIEW & VERIFY ALL ELEVATIONS AND DETAILS AND REPORT ANY DISCREPANCIES TO DESIGNER PRIOR TO CONSTRUCTION OR ASSUME ALL RESPONSIBILITY, 6. INSTALLER/ CONTRACTOR IS RESPONSIBLE FOR MAINTAINING SAFE WORK AREA, VERIFYING ALL UTILITIES AND NOTIFYING "DIG SAFE" (1-888-344-7233) 72 HOURS PRIOR TO CONSTRUCTION. 7, ANY CHANGES TO OR DEVIATIONS FROM THIS PLAN MUST BE APPROVED IN WRITING BY FLAHERTY ENVIRONMENTAL SERVICES AND LOCAL BOARD OF HEALTH, 8, FINISH COVER OVER COMPONENTS IS NOT TO EXCEED 3' PER 310 CMR 15.000 UNLESS SHOWN PER PLAN. 9. ALL ABANDONED SEPTIC SYSTEM COMPONENTS TO BE PUMPED DRYAND FILLED WITH CLEAN SAND OR REMOVED AND REPLACED WITH CLEAN SAND. 10,ALL COMPONENTS TO BE PROVIDED WITH WATERTIGHT ACCESS PORTS WITHIN 6" OF FINISH GRADE. 11.ALL SEPTIC TANKS, DISTRIBUTION BOXES AND PIPING TO BE INSTALLED WATERTIGHT, 12.NO KNOWN WETLANDS OR WELLS WITHIN 100 FEET OF PROPOSED LEACHING. 13, THIS IS NOT A CERTIFIED PLOT PLAN AND UNDER NO CIRCUMSTANCES IS THIS PLAN TO BE USED FOR ZONING OR BUILDING PURPOSES. 14. LOT IS SHOWN AS ASSESSOR'S MAP 31 LOT 190. 15. LOCUS PROPERTY IS NOT LOCATED WITHIN AN AQUIFER PROTECTION DISTRICT (ZONE II). 16. NO FOUNDATIONS WITHIN 20' OF PROPOSED SAS. DESIGN CALCULATIONS NUMBER OFACTUAL BEDROOMS GARBAGE DISPOSAL UNIT TOTAL ESTIMATED FLOW (110 GAL/BR/DAYX 3 BR) REQUIRED SEPTIC TANK CAPACITY SIZE OF SEPTIC TANK SOIL CLASSIFICATION DESIGN PERCOLATION RATE EFFLUENT LOADING RATE 2 (bESIGN FOR 3) NO 330 GAL./DAY 660 GAL. 1500 GAL. (PROPOSED) 1 <2 MIN./INCH 0.74 GAL./DAY/FTz LEACHING AREA (2) x (25.0' + 12.83)(2) = 151 SF 25.0'x 12.83` = 320 SF ✓ ,r 471 SFx 0.74 �(;�48 GPD�' USE (2) 500 GALLON CHAMBERS WITH 4' STONE AS DIAGRAMMED IN A 25.0' X 12.83' X 2.0' CONFIGURATION RESERVE LEACHING CAPACITY N/A SOIL EVALUATION TEST HOLE #1 Evalu tor- David D. Flaherty Jr, RS SE#2755 BOH�Itn ess: Jay Gardiner, RS Date: October 6, 2022 TH-1 EQEV. 98.0' 0"- 16" I FILL/A/B MIX 16"- 132" 1 C MS 2.5Y 615 G.W. ELEV. 88.51 WELL: MIW--29 ZONE.- B READING: 9.66' DATE: SEPT 2022 ADJ.: 3.8' 92.3' SYSTEM DETAIL Flaherty Environmental Services (NTS) l certify that on November 12, 2002, l have passed the examination approved by the Department of Environmental Protection and that the above analysis has been performed by me consistent with the required training, expertise, and experience described in 310 CMR 15.018(2). " P.O.Box 81 Yarmouth Port, MA 02675 508.362.1657 SITE AND SEWAGE PLAN FOR B & B EXCAVATION, INC./ JOAN HART 38A SOUTH SEA AVENUE WEST YARMOUTH, MA TH-1 ELEV. 870' PAGE 2 OF