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HomeMy WebLinkAbout83-1606 - Septic Design9- All N I VUM. ACCESS COVERS MUST BE WITHIN MAXIMUM COVER 6- OF FINISH GRADE N 2' OF PEASTONE 11.5 FIRST 2' TO BE LEVEL 3/4' - 1 1/2' DIA. - ,_- !DOUBLE NASHED STONE 8.9 4• D1AM I 86 B T'0'nt �� 40 MILL POL1�Ias 3 VAPOR BARRIR 8.85 4 BAFFLE 8_-55 _B� LET 5 NIGH CAPACITY' INFILTRATOR ' D 3 OUTLET CHAMBERS W/3.5't STONE AROUND 1500 L 10'r x 38'1 x IC''d 4.9 GA SEPTIC TAA'X 6' CRUSHED STONE OR COMPACTED BASE PROFILE: Nor TO SCALE nO CB/DN FND BN PR SPIRE IN L'P 421/1 EC -P.69 hm - e-. L L OCJS MAP -- 40 MIL P'OLY� VAPOR SARPIER SOIL REM?VAL - SEE NOTE 9. VAR I ANCI- S REQUIRED: 1500 "1 SEPTIC TAW SWA N LLAAL (TIDAL TITLE 5, MAXIMU41 FEASIBLE CCMPLIANCE SECTION l5.21f:1I) b'INIhVM SETBACK DISTANCES l0' IS REOUIRED BETWEEN THE SAS AND THE PROFEM' LINE. 5? IS PROVIDED. A 5' VARIANCE IS RECUESTED. TOWN OF YARX'OUTN SUBSURFACE DISFOSAL OF SEWAGE REGULATIONS REGULATION 3.7: DISTANCES AND LOCATION OF DISPOSAL FACILITIES 100' IS REQUIRED BETWEEN THE £D6'E OF WETLAND AND THE SAS', 90' IS PROVIDED. A IC' VARIANCE IS REOUESTED. INVERT E! EVATiONS.- INVERT AT BUILDING: 9.45 INVERT IN SEPTIC TANK: 8.85 INVERT OUT SEPTIC TANK: 8.5 INVERT IN DIST. 60X., 8.55 INVERT OUT DIST. BOX: 8.38 _ INVERT LN LEACH CHAMBER: 6.33 BOTTOM OF LEACH CHAMBER: 7.5__ AREA HIGH GROUND WATER 2.5 OBSERVED GROUND WATER: 2.0 BOTTOM OF TEST HOLE •1: 1.0 N TOTAL LOT AREA - 9863± S.F. UPLAND AREA - 879E± S.F PROPOSED BUILCIrMi FOOTPRINT APEA - ISS Is S.F- - 17.6x OF UPLAND. DESIGN CRITERIA: GENERAL NOTES: DESIGN FLOW: 3 BEDROOMS AT I10 G.P.D. PER I. THIS PLAN IS f0.4 THE DESIGN AND CONSTRUCTION BEDROOM EQUALS 330 G.E'.D. OF THE SEWAGE DISPOSAL SYSTEM ONLY. NO GARBAGE GRINDER 2. VERTICAL DATUM IS NGVD. FOR BENCH MARKS SET, SEE SITE PLAN. SEPTIC' TANK REQUIRED: 330 G.P.D. X <^DOx - 660 GAC. J. ALL CONSTRUCTION METHODS AND MATERIALS AND rK PPOVIDED' 1500 GAL MrN. MAINTENANCE OF THE SEPTIC SYSTEM SHALL SEPTIC 7111 CONFORM TO ldASS. C.E.P. TITLE 5 AND LOCAL BOARD OF HEALTH REGULATIONS. SOIL ABSORPTION SYSTEM REQUIRED: DESIGN PEPC .RATE ( 5 MIN/INCH 3. ALL SEPTIC SYSTEM COMPONENTS LOCATED UNDER SOIL TEXTURAL CLASS - / AREAS SUBJECT TO VEHICULAR TRAFFIC OR GREATER EFFLUENT LOADING PATE - 0.74 GPD/SF THAN 3' IN DEPTH SHALL BE CAPABLE OF WITH- 330 GPD / 0.711 GPD/SF - 4116 S.F. REQUIRED STANDING H-20 WHEEL LOADS. PROVIDED: 5 HIGH CAPACITY INCILTRA TOR 5. ALL SEW.'R PIPE SHALL BE SCHEDULE 40 OR CHAMBERS W/3.5't STONE AROUND. A-160 S.F. APPROVED EOUAL. 460 S.F. x 0.74 - 340 GPD r 6. SEPTIC TANK AND D -BOX SHALL BE REINFORCED SOIL TES T P T DATA 61 X SHALL DLEVEL BEECAST #ATERCONCRETE TESTED TONC14ECXEFORGHEN THERE p INDICATES v IA'DICATES IS MORE THAN ONE OUTLET, k PERCOLATION OBSERVED fi5 TEST GROUNDWATER 7, BEFORE CONSTRUCTION CALL 'DIG -SAFE', TP of 1 -886 -DIG -SAFE AND THE LOCAL WATER DEPT. FOR LOCATION OF UNDERGROUND UTILITIES. HORIZON TEXTURE COLOR 3.0 0' LOAMY` IOYR 8. EXISTING" CESSPOOL TO BE PUMPED DRY. REMOVED Q / SAND 4.2 AND BACKFILLED WITH CLEAN SAND. 8. ................ 7.3 B LOAMY 7.5YR 9, ALL UNSUITA3LE MATERIAL (A A B HORIZONS) SAND 4/6 ENCOUNTERED BELOW' THE INVERT OF THE.LEACHING 2e- ...... ..................... 6.0 FACILITY TO BE REMOVED FOR A DISTANCE OF 5' MEDlL'M IOYR C l AROUND AND REPLACED WITH SAND IN ACCORDANCE SAND 6/6 WITH TITLE 5. 10. NO DETERMIN„TION HAS BEEN MADE AS TO COM'LIANCE WITH DEED RESTRICTIONS OR ZONING 50- REGULATIONS. IT SHALL REMAIN THE CLIENTS RESPONSIBILITY TO OBTAIN ALL PERMITS. SPECIAL 72• - _- _ 2.0 PER41 TS. VARIANCES FTC. FOR THIS PROJECT, L I/. IT SHALL REMAIN THE CLIENT'S RESPONSIBILITY 1.0 TO HAVE THE PROPOSED BUILDING FOUNDATION B° DESIGNED TO ACCOUNT FOR THE EXISTING" GRADE DATE: JUNE 26. 2002 AND SOIL CONDITIONS AT THE LOCATION OF THE TEST BY: STEPHEN HUS PRO.'OSED BUILDING. WITNESSED BY: .AMY VONHDNE PERC RATE: ( 2 MIN/INCH 12. THE WORK LIMIT SHALL BE ESTABLISHED WITH A DCU3LE STAKED HAYBALE LINE PRIOR TO CCN3TRUCT ION. '3. THI1, LOT FAILS WITHIN FLOOD ZONE A13(EL 9) AND FLO-iD ZONE B. E+t-r 0 /0 20 40 SCAT SYSTEM DCS /GN 72 LAKE_ ROAD- MLa P 49 . P A RCEL 234 PREPARED FOR: SC,4 L E = % - 20 JANUA.R'r' -9. 2004 REVISED: JANUARY 26, 2004 E A G L_ E sURVEY I NO, I NC 923 Route 6A Yarn•mouthpor t MA. 02675 �l- (508) 362-8132 �'_/,���jj11/'•iceJ � ( 508 ) 432-5333