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HomeMy WebLinkAboutEngineer Plan - 2021ACCESS COVERS MUST BE WITHIN 9" MINIMUM. 6- OF FINISH GRADE 3' MAXIMUM COVER TOF-99.33 FIRST 2' TO BE LEVEL MIN 2" OF PEASTONE OR FILTER FABRIC 4" DIAM PIPE 3/4" - l 1/2- DIA. GAS t 96.5 95.7 2• �' DOUBLE WASHED STONE 96.75 BAFFLED 95.87 95.5 93.5 3 OUTLET 4-500 GAL LEACHING CHAMBERS D -BOX Jy/4' STONE AROUND. 12.8'W x 42'1 x 2'd 0 N1500 GAL H-20 " SEPTIC TANK 6- CRUSHED STONE OR COMPACTED BASE BOTTOM OF TH. EL -80.5 I PROF I L E: NOT TO SCALE I BEDROOM BEDROOM BATH BEDROOM INVERT EL E VA T I ONS INVERT AT BUILDING: 97.1 INVERT IN SEPTIC TANK: 96.75 INVERT OUT SEPTIC TANK: 96.5 INVERT IN DIST. BOX: 95.87 INVERT OUT DIST. BOX: 95.7 INVERT IN LEACH CHAMBER: 95.5 BOTTOM OF LEACH CHAMBER: 93.5 ADJUSTED GROUND WATER: N/A OBSERVED GROUND WATER: N/A BOTTOM OF TEST HOLE *1: 80.5 HAND AUGER _ ______ 4 O_ HORIZON TEXTURE COLOR 99.4 A LOAMY 10 YR = PPy\ WATER LINE SAND 2/2 KI � _______________ - OHW- IONA AV 98.6 B LOAMY IOYR -T- UNDERGROUND TELEPHONE LINE SAND 578 -I- 40.4 ______ _ ______ __ .97.2 C FINE 2.5Y SAND 6/4 DESIGN CRITERIA: DESIGN FLOW: 5 BEDROOMS AT 110 G.P.D. PER BEDROOM EQUALS 550 G.P.D. NO GARBAGE GRINDER SEPTIC TANK REQUIRED: 550 G.P.D. X 200% - //00 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 GPD/SF 550 GPD / 0.74 GPD/SF - 744 S.F. REQUIRED PROVIDED: 4-500 GAL LEACHING CHAMBERS W/4' STONE AROUND. A-757 S.F. 757 S.F. x 0.74 - 560 G.P.D. ly BM. CATCH BASIN - /j• �j EL I?S E SECOND FLOOR PLAN OR!({ NO WA TER DATE: DECEMBER 27. 2021 0 D -�•.\ �\ S ! TEST BY: STEPHEN WAS. PE 1 ST NE RIYEBAY ``/ 7_ - \ */OF OR A/NqG� BASF � W \ \ \ DECK I k \ \ \ I \ 1 \1 \\ \\ \ \ 116-OAKl6"ObK / \ \ \ \ `S %Sed am sxowEd stag 1 ' �' / 1 •� \ \ v \ \ \ \ 3 O OS - 7 EL -92.0 M CIVINO KITCHEN // 7P41 1 36"DAK� ! i I L O T \ Room l / 9'/�/ i 20'AdK �^� J,25, 660+ S. F. i i CESSPOOL i/� i I 1l 184TH 7SHED 1 I 1 I! END CMP I / { I I I 11 DRAIN �IPEf IrF 2 � V 1 BEDROOM ti 99.5 ORWBEDROOM �y L z 8 P4 \ 11 1 I I I l 1 l I I I I I I I I W 4-500 GALLON p3.3 \ ii f LEACHING CNAAIWERS OAK CLUkTER W/4' STONE AROUND \ \\ \\ 1 1 \ \\ 1 I I II II I 1/ i I I I i I i W WOODED SWAMP D -BOX - Jti is �.( \ \ 1 1 \ I 1) \ 1 I 1 \ 1 I 1 I 1 I I I I 121 -OAK n 4 ro /Sb0 GALLON9/1\O SE�TIC TANK 10' ..HAND AUGER 42 1 APPLE V A V A V v A \ 1 I / / / ! 10 "CEOAF V v V\ v v v A V l I ! 1 V / I A V \ \ \ \ 1 \ \ \ \ \ I I 1 / 1 / / \ \ \ \ 1 I tYf f V A I WF 5� 0 0 CB CONCRETE BOUND = PPy\ WATER LINE �o HYDRANT KI � GAS LINE - OHW- IONA AV fit- �L I GHT POST -E LOCUS MAP Permit valid for REPAIR OF SEPTIC SYSTEM ONLY, due to State and Local septic variances. Board of Health review and approvaJ is required for any future additions/renovations/alterations to sewage facilities and/or structures/dwelling. Yarmouth Health Department OA OVE /Iw, 0 10 20 40 Date LEGEND 0 CB CONCRETE BOUND -W- WATER LINE O HYDRANT -G- GAS LINE - OHW- OVER HEAD WIRES fit- �L I GHT POST -E UNDERGROUND ELECTRIC LINE -T- UNDERGROUND TELEPHONE LINE - CTV- UNDERGROUND CABLEVISION LINE -I- 40.4 SPOT ELEVATION ...... 40 ..... _ EXISTING CONTOUR 40 PROPOSED CONTOUR SOIL TEST PIT DATA& INDICATES 2_ INDICATES PERCOLATION _ OBSERVED TEST GROUNDWATER TP sl 0. ...,......,.. ,�... _.._ __-_.. 90.5 FILL 14' ____ _ _ _________ 89.3 A LOAMY IOYR SAND 2/2 20• ____ _ _ _ _ __ _ ____ 88.8 LOAMY B IOYR SAND 5/8 30" - - - - - - - - - -- 88.0 C t FINE 2.5Y SAND 6/4 80.5 DATE: NOVEMBER 18. 2021 TEST BY: MICHAEL O'L000HLIN WITNESSED BY: PHIL RENAUD PERC RATE: ( 2 MINI/NCH GENERAL NOTES: 1, 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. SEPTIC SYSTEM INSTALLER SHALL NOTIFY THE DESIGN ENGINEER TWO DAYS PRIOR TO CONSTRUCTION OF THE SYSTEM TO ALLOW FOR SCHEDULING OF THE CONSTRUCTION INSPECTIONS. 9. EXISTING CESSPOOLS TO BE PUMPED DRY AND BACKFILLED. /0- EXISTING OUTLET AT THE DWELLING TO BE RELOCATED TO THE LOCATION AND ELEVATION SHOWN. VARIANCES REOU I RED : TOWN OF YARMOUTH SUBSURFACE SEWAGE DISAPOSAL REGULATIONS REGULATION 3.7: DISTANCES 6 LOCATION OF DISPOSAL FACILITIES 100' IS REQUIRED BETWEEN THE SAS AND A WETLAND. 73' IS PROVIDED TO A DRAIN PIPE THAT IS DIRECTED TO A WETLAND. A 27' VARIANCE IS REQUESTED. SEPT I C SYSTEM C ­>_ 'y 27��L1 DESIGN 22 TERN ROAD. MAP 90 . PARCEL 52 SOUTH YARMOUTH. MA. PREPARED FOR: D ,A N / E L SCALE-: 1 ' = 20' STEPHEN A BAKER D E C E M B E R 20. 2021 HAAS, PE 2 9 3 C r a n v i e w R o a d Brewster, MA 02631 (508) 367-1691 JOB NO: 21-012