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HomeMy WebLinkAboutEngineered Plan - 2018ACCESS COVERS MUST BE WITHIN INSPECTION 9' MINIMUM. 6' OF FINISH GRADE PORT 6' MAXIMUM COVER 101.89 FIRST 2 ' TO 4" VENT W/ /0/.8 BE LEVEL CHARCOAL FILTER 99.7 /02 /8' MIN 4' 0/AM PIPE 98'3 CLEAN SAND BACKFILL 98.25 98.0 11- H-20 AROUND AND 2" OVER CHAMBERS 97.0 BAFFLE 98. 97.92 3 OUTLET 16 HIGH CAPACITY INFILTRATOR ^P °� 0-BOX CHAMBERS IN BED FORMATION H-20 HIGH CAPACITY CHAMBER 1 v ov y LOCUS MAP 1500 GAL H-20 SEPTIC TANK 6' CRUSHED STONE OR COMPACTED BASE PROFILE:NOT TO SCALE -r-r-rr�- !!!T c li F, V f� Fo ® CB -W O G OHW- #t- -T - - CTV- + 40. 4 .40- - 40 INVERT ELEVATIONS: INVERT AT BUILDING: 99.14 INVERT IN SEPTIC TANK: 98.5 INVERT OUT SEPTIC TANK: 98.25 INVERT IN DIST. BOX: 98.17 INVERT OUT DI ST. BOX: 98.0 INVERT IN LEACH CHAMBER: 97.92 BOTTOM OF LEACH CHAMBER: 97.0 ADJUSTED GROUND WATER: N/A OBSERVED GROUND WATER: N/A BOTTOM OF TEST HOLE tel: 91.3 DESIGN CRI TERIA DESIGN FLOW: 2 BEDROOMS. DESIGN FOR 3 BEDROOMS MIN A T I10 G.P.D. PER BEDROOM EQUALS 330 G.P.D. NO GARBAGE GRINDER SEPTIC TANK REQUIRED: 330 G.P.D. X 200% - 660 GAL. SEPTIC TANK PROVIDED: 1500 GAL. MIN. SOIL ABSORPTION SYSTEM REQUIRED: DESIGN PERC RATE C 5 MIN/INCH SOIL TEXTURAL CLASS - I EFFLUENT LOADING RATE - 0.74 GPO/SF 330 GPO / 0.74 GPD/SF - 446 S.F. REQUIRED PROVIDED: 16 HIGH CAPACITY INFILTRATOR CHAMBERS. 100'x 4.73 SF/FT - 473 S.F. 473 S.F. x 0.74 - 350 GPD TP%��P`�1t3FaAgSS�cyG TERRY A a NN WARNER No.38721, Permit valid for REI'AfR SI�:Il'IAC SVS"I'EM CQNLY., . dile to Stag• .rn(I Local septic variances. Board.of flca1 11 any ..view and approval is required for Ica aildrti<insl.,rc.p�rvations/alterations to sewage fa ilities anti/or structures/tlwellihk: C Yarmouth Ilealilh I)epai•ttirent A AP13110V a:D&7a S Name irate CONCRETE BOUND WA TER L 1 NE HYDRANT GAS L 1 NE OVER HEAD WIRES LIGHT POST UNDERGROUND ELECTRIC LINE UNDERGROUND TELEPHONE LINE UNDERGROUND CABLEVISION LINE SPOT ELEVATION EXISTING CONTOUR PROPOSED CONTOUR SOIL TEST PIT DA TA & INDICATES 7 INDICA TES PERCOLATfON OBSERVED TEST GROUNDWATER TP •f 0- l0/.8 A LOAMY IOYR SAND T/2 8" - - - - - - - - - - - - - - - /0/. / B LOAMY IOYR SANDD 416 24" ---- ----- ------ 99.a C / MEDIUM IOYR SAND 518 38, /26' I NO !PATER 9I.3 DATE: DUNE 14, 2018 TEST BY: STEPHEN HAAS WI TNESSED BY: AMY VONHONE PERC RATE: ! 2 MIN/INCH GENERAL NO TES : J. THIS PLAN IS FOR THE DESIGN AND CONSTRUCTION OF THE SEWAGE DISPOSAL SYSTEM ONLY. 2. VERTICAL DATUM IS ASSUMED, FOR BENCH MARKS SET. SEE SITE PLAN. J. ALL CONSTRUCTION METHODS AND MATERIALS AND MAINTENANCE OF THE SEPTIC SYSTEM SHALL CONFORM TO MASS. D.E.P. TITLE 5 AND LOCAL BOARD OF HEALTH REGULATIONS. 4. ALL SEPTIC SYSTEM COMPONENTS LOCATED UNDER AREAS SUBJECT TO VEHICULAR TRAFFIC OR GREATER THAN 3' IN DEPTH SHALL BE CAPABLE OF WITH- STANDING H-20 WHEEL LOADS, 5. ALL SEWER PIPE SHALL BE SCHEDULE 40 PVC OR APPROVED EQUAL. 6. SEPTIC TANK AND D-BOX SHALL BE REINFORCED PRECAST CONCRETE OR APPROVED POLYETHYLENE. BOTH SHALL BE WATERTIGHT. D-BOX SHALL BE WATER TESTED FOR LEVEL WHEN THERE IS MORE THAN ONE OUTLET. 7. BEFORE CONSTRUCTION CALL 'DIG- SAFE' . 1-888-DIG-SAFE AND THE LOCAL WATER DEPT. FOR LOCATION OF UNDERGROUND UTILITIES. 8. EXISTING CESSPOOLS TO BE PUMPED DRY AND BACKFILLED. 9. CONNECT I ON A T THE DWEL L I NG TO BE MADE TO THE EXISTING CAST IRON OUTLET PIPE. CONTRACTOR TO VERIFY THE ELEVATION OF THE END OF THE CAST IRON PIPE PRIOR TO INSTALLATION OF THE SEPTIC TANK. VARIANCES REOU I RED : a TITLE 5. MAXIMUM FEASIBLE COMPLIANCE SECTION 15.221:(7) GENERAL CONSTRUCTION REQUIREMENTS FOR ALL SYSTEM COMPONENTS THE TOP OF ALL SYSTEM COMPONENTS SHALL BE NO DEEPER THAN 36' BELOW GRADE. A VARIANCE l S REQUIRED FOR THE SAS TO BE BETWEEN 3' AND 4 ' DEEP. -5E7FT I C SYSTi7M DENS ION CURVE HI L L ROAD. MAP 0 / PARCEL S6 SOUTH YARMOUTH . MA. PREPARED FOR: ,.DAMES ©OOL. EY SCALE : / " - 20 JUNE 2 / 2018 STEPHEN A. HAAS ENGINEERING �t P . 0 . Box 16 Sou t h D49nn i s MA 02660 ( 5 0 B) 3 6 2-8 1 3 2 JOB NO: 14-080