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HomeMy WebLinkAboutEngineered Plan - 2015ACCESS COVERS MUST BE WITHIN g" MINIMUM. 6" OF FINISH GRADE 3' MAXIMUM COVER FIRST 2' TO MIN 2" OF PEASTONE BE LEVEL OR F I L TER FABR I C 4' DIAM PIPE 3/4" - 1 1/2 DIA. 96.5 2' DOUBLE WASHED STONE ~ v GBAFFLE-1 96.8 s� v 95.5 °' 93.5 BAFFLE 96.67 3 OUTLET 2-500 GAL LEACHING CHAMBERS EXISTING D -BOX W14' STONE AROUND. 12.8's x 25'1 x 2'd 1000 GAL H-20 N SEPTIC TANK 6" CRUSHED STONE OR COMPACTED BASE PROFILE:NOT TO SCALE VARIANCES REQUIRED: TITLE 5. MAXIMUM FEASIBLE COMPLIANCE SECTION 15.211:0) MINIMUM SETBACK DISTANCES 25' IS REQUIRED BETWEEN THE SAS AND A CATCH BASIN, 18'f IS PROVIDED. A 7'± VARIANCE IS REQUESTED. I 1 CB FND \ l� CATCH BASIN I 1 1 \ L I I I I PAVED WAY I l CATCH BASIN I P t DRI+ / i �I 99-01 bo \ 1675P U 11 96.6 i rn 6 QAK LEACH \ / 1 CATCH BAS f N LIVING ROOM D -BOX 18 N I 9 9 EXISTING I1 - - Oo BEDROOM SPTIC TAf�K 12.8. 20 H� +97.8 ROOM / BED /CORNER STEP / E0100.30 / 2-5,60 GALLON / LEACHING CHAMBERS' 97.5 - 98.3 WIT- �T9hL AROUND ' 0/41 A0 SO` GARAGE KITCHEN LOT 20 16.641± S.F. DINING l nmol iq AA/4 P BATH' BAT ' BEDROOM I N VERT EL E VA T I DNS -: INVERT OUT SEPTIC TANK: 96.8 INVERT IN DIST. BOX: 96.67 INVERT OUT DIST. BOX. 96.5 INVERT IN LEACH CHAMBER: 95.5 (BOTTOM OF LEACH CHAMBER: 93.5 j ADJUSTED GROUND WATER: N/A I OBSERVED GROUND WATER: N/A BOTTOM OF TEST HOLE #l: 88.3 i i I7. - , 31 10"W , SUP LEGEND DESIGN CRITERIA: DESIGN FLOW: 3 BEDROOMS AT 1/0 G.P.D. PER BEDROOM EQUALS 330 G.P.D. NO GARBAGE GRINDER SEPTIC TANK REQUIRED: 330 G.P.O. X 2009 - 660 GAL. SEPTIC TANK PROVIDED: 1000 GAL. EXISTING SOIL ABSORPTION SYSTEM REQUIRED: DESIGN PERC RATE C 5 MIN/INCH SOIL TEXTURAL CLASS - I EFFLUENT LOADING RATE - 0.74 GPD/SF 330 GPD / 0.74 GPD/SF - 446 S.F. REQUIRED PROVIDED: 2-500 GAL LEACHING CHAMBERS W/4' STONE AROUND. A-471 S.F. 471 S.F. x 0.74 - 348 G.P.D. SOIL TEST PIT DA TA s I ND I CA TES _1 INDICATES PERCOLATION - OBSERVED TEST GROUNDWATER TP #/ HORIZON TEXTURE COLOR 98.3 0" FILL WATER LINE 24" -------------------- 96.3 GAS LINE A LOAMY I 0 YR OVER HEAD WIRES 41- SAND 3/3 --E- 26" -------------------- 96.1 - CTV- B LOAMY I 0 YR + 40.4 SPOT ELEVATION SAND 4/4 EXISTING CONTOUR 32" -------------------- 95.6 C / MED 1 UM I OYR SAND 5/8 44" 120" NO WATER 88.3 DATE: JUNE 3. 2015 TEST BY: STEPHEN HAAS WITNESSED BY:AMY VONEHONE PER C RATE: C 2 MIN/INCH Pe emit valid for REPAIR OF SEPTIC'SVSTENI NLV, Clue to State and Local septic variances. o'ard of llealth review and approval is required for ry future additions/renu% alions/alterations to wage facilities and/or structures/dwelling. Yarmouth Health Departriwnt c GENERAL NO TES : I. 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 "0 I G- SAFE " . 1 -888 -DIG -SAFE AND THE LOCAL WATER DEPT. FOR L OCA T I ON OF UNDERGROUND UT I L I TIES. 8. EXISTING LEACH PI T TO BE PUMPED DRY. REMOVED AND BACKF I L LED WITH SAND. 9. EXISTING SEPTIC TANK TO BE PUMPED AND CLEANED. INSPECT AND REPLACE INLET PIPE AND TEE IF REQUIRED. G 7 JOIN Z. DEMAREST, JE;'. o_ No. 36859 -/-// % 5l f /'C' J'i( J Date j �/ �/ S EP T l C SYS TEM CIES / GN 9S 0 l ANE A VENUE . MAP 89 . PARCEL l 18 SOUTH YARMOUTH. MA . PRE'PARE0 FOR eel. - i ---- I w l t_ L IAM 8� KATHL EEN COL L l NS 13 CB CONCRETE BOUND -W WATER LINE O HYDRANT -G GAS LINE OHW- OVER HEAD WIRES 41- LIGHT POST --E- UNDERGROUND I ELECTRIC LINE -T- UNDERGROUND TELEPHONE L l NE - CTV- UNDERGROUND CABLEVISION LINE + 40.4 SPOT ELEVATION -•-40-••.• EXISTING CONTOUR 0 /0 20 40 PROPOSED CONTOUR SCALE : l " - 20 ' JUNE 26. 20 / S STEPHEN A. HAAS ENGINEERING, INC P. O. B o x 16 ``� South wenn i s MA 02660 \/iii ( 508 362-8132 JOB NO: 15-0261