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HomeMy WebLinkAboutEngineer PlanTOP OF CRAWL COVERS TO BE WATERTIGHT AND SEPTIC SYSTEM PROFILE FOUNDATION EL. 50.0' BROUGHT TO WITHIN 6"_ OF FINAL GRADE (not to scale)INSP. PORT EL. 51.4' — of to DOUBLE WASHED U ?L2f—'S--t-0-'2— EL. 50.0' )EASTONE OR GEOTEXTILE 4" CAST IRON or EQUIVALENT FILTER FABRIC RATRI ny-rru 1 JAII Dr-O Pr)nT 4" SCHEDULE 40 PVC PIPE NE L. E (DATUM: ASSUMED) FLOW LINE 14" 1000 GALLON SEPTIC TANK (EXISTINGI 75,381 EXISTING 2 BR QDWELLING) CD C:) %Z 'd (SLAB) 4 DRIVEWAY LOT 4 02 ACRES± MAP 33 LEGEND PLAT 96 G G G G— GAS LINE 83.87' W W W Aft: WATER LINE 6 E_ 9 6 1 EXIST. ELECTRIC — 99 EXIST. CONTOURS ---------- 0 PROP. CONTOURS y4p lj,q W 16 — UNDERGROUND UTIL, .e." tf% 'IA" EXIST. S.T. 6' CD ED 1 Flaherty Environmental Services PO.Box 0AMP, min VENT IF REQUIRED I X060606 .. .. ;* 7" 11M XOXO�l i, - - .. -.A SOIL ABSORPTION SYSTEM (2) 500 GALLON H-20 CHAMBERS WITH 4' STONE AROUND IN A 12.83'X 25, O'X 2' CONFIGURATION BOTTOM OF TEST HOLE EL. 40.0'. USGS ADJUSTMENT: 0.0' BENCHMARK: I I TOP OF FNDN EL. 51.41 m 331 Harwich, MA 02645 .3" OF GRADE CLEAN SAND 774.994.1166 1 2.0' C\j C�j CID < LOCATION MAP NTS .2' 1010 DATE: 712112024 REVISED. 0 0 SITE AND SEWAGE PLAN FOR 50 TH —1 SCOTT FRANK SEPTIC, INC./ LOTS O'BRZON 10.11 8 ROGERS AVENUE SCALE: 1" =20' SOUTH YARMOUTH, MA REF.• LCP 16961-B PAGE I OF2 5.01 'I EL. 40.0' EXIST, LP ,us GENERAL NOTES I DESIGN CALCULATIONS I Flaherty Environmental Services 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. Z 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 150 FEET OF PROPOSED LEACHING EXCEPT AS SHOWN, 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 SHO WN AS ASSESSOR'S MAP 33 PARCEL 96. 15" LOCUS PROPERTY'S PROPOSED SYSTEM APPEARS NOT WITHIN AN AQUIFER PROTECTION DISTRICT (ZONE II). NUMBER OFACTUAL BEDROOMS GARBAGE DISPOSAL UNIT TOTAL ESTIMATED FLOW (110 GAUBR/DAYX 3 BR) REQUIRED SEPTIC TANK CAPACITY SIZE OF SEPTIC TANK SOIL CLASSIFICATION DESIGN PERCOLATION RATE EFFL UENT L OADING RATE LEACHING AREA (2) x (25.0' + 12.83)(2) = 151 SF 25.0' x 12.83' = 320 SF 471 SF x 0.74 = 348 GPD 2 (DESIGN FOR 3) NO 330 GAL./DAY 660 GAL. 1000 GAL. (EXISTING) 1 <2 MINANCH (ASSUMED) 0.74 GAL./DAY/FT2 USE (2) 500 GALLON H-20 CHAMBERS WITH 4' STONE INA 12.83'X25.0'CONFIGURATIONASDIAGRAMMED RESERVE LEACHING CAPACITY N/A SOIL EVALUATION TESTHOLE#1 Evaluator David D. Maherty✓r, RS SE# 2755 BOHWitness: Barry Lewis, BOH Date: July 18, 2024 TH-1 ELEV. 50.0' 0"-10" A LS 10YR3/2 10"-35" B LS 10YR516 35"- 120" C MCS 2.5Y6/5 G.W. ELEV. N/A BOTTOM TH-1 ELEV. 40.0' P" 0. Box 331 SYSTEM DETAIL Harwich, MA 02645 774.994.1166 (NTS) 25' / certify that on November 12, 2002, l have passed the examination approved by the Department of Environmental Protection and that the above ana"is has been performed by me consistent with the required training, expertise, and experience described In 310 CMR 15.018(2)." SITE AND SEWAGE PLAN FOR SCOTT FRANK SEPTIC, INC./ LOTS O'BRION 8 ROGERS AVENUE SOUTH YARMOUTH, MA PAGE2 OF2 DATE: 712112024