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HomeMy WebLinkAboutEngineered Plan - 2018TOP FOUND. EL. 48.2' PRECAST H-10 RISERS (TYP.) ,. 2'0 EXISTING PROVIDE MIN. 20" DIAM. WATERTIGHT ACCESS COVERS TO WITHIN 6" OF FIN. GRADE 46.9' MINIMUM 45.8' 10" **EXISTING 14" TEE SEPTIC TANK TEE GAS BAF *THE INSTALLER SHALL VERIFY THE LOCATIONS OF ALL UTILITIES AND ALL BUILDING SEWER OUTLETS AND ELEVATIONS PRIOR TO INSTALLING ANY PORTION OF SEPTIC SYSTEM FOUNDATION- EXISTING SEPTIC TANK LEGEND 99 - EXISTING CONTOUR X 99• 1 EXIST. SPOT ELEV. -[991-- PROPOSED CONTOUR 198.41 PROPOSED SPOT EL. TH1 TEST HOLE 2�y SLOPE OF GROUND UTILITY POLE FIRE HYDRANT NOTE: NOT ALL SYMBOLS MAY APPEAR IN DRAWING TEST HOLE LOGS ENGINEER: CRAIG J. FERRARI, SE #13871 WITNESS: AMY VON HONE DATE: 8/29/2018 PERC. RATE _ < 2 MIN/INCH CLASS 1 SOILS Q1 ELEV. p" 48.1 ' FI LL m SYSTEM PROFILE (NOT TO SCALE) 2" PEASTONE OR GEOTEXTILE 1 FILTER FABRIC OVER STONE ALL SYSTEM COMPONENTS SHALL BE MARKED WITH MAGNETIC TAPE OR 4" SCH40 VENT WITH COMPARABLE MEANS FOR FUTURE LOCATION. CHARCOAL FILTER PITCH BACK TO SAS, CONCRETE COVERS TO WITHIN 3" GRADE NO LOW POINTS. . n 'fOF COVER OVER PRECAST + j 2% SLOPE REQUIRED OVER SYSTEM 48.6'-49.6 NOTE: 2" MIN. WALL THICKNESS REQUIRED BLOCKS OR 4"OSCH40 PVC MORTAR ALL PRECAST RISERS H-20 6" MIN. SUMP PIPES LEVEL 1ST 2' �EN 4.COMPONENTSINV'S EL. 43.8 4'12"MIN. INT. DIM. DS (TYP.) 44.8' SIDES Y-o'-.eD-eJ-e.➢- oo 5f CI��O 0 0©D DaOCIo__tn00 N*44. ° ° ° WATERTEST D'BOX >o0o0o0o� oaa000�oaoo aaooaaaa000 o�o�o�o� °°o°o°o°o°o° 'o°o°o°o° ! O ! ! ! ! ! ! ! O ! O O ! ! O O O 'o°o ° ° ° ° ° ° FOR LEVELNESS cV '°°°°°°o° ®����������0 �OI�❑®����00 °°°°°°°° ° o 0 o'o_ n^'- >°0°°o°°o°°O ®1_'ll�l�l�l�l�l�l��o ®�OD.D�O�OO� :°o°o°o°o , 44.07' 43.9' >�a�o�a�o I :00000000 41.8 LH-20 500 GAL. LEACHING CAMBER BY ACME PRECAST OR EQUAL. 3/4"-1-1/2" DOUBLE WASHED STONE 4' MIN. (2) UNITS REQUIRED ALL AROUND PRECAST STRUCTURES 6" CRUSHED STONE OR MECHANICAL OVERALL DIMENSIONS TO OUTSIDE OF STONE: 25.00' X 12.83' COMPACTION. (15.221 (21) 4 2 **INSTALLER SHALL CONFIRM MINIMUM SEPTIC TANK SIZE AT 1000 GALLONS AND ITS SUITABILITY FOR RE -USE. REPLACE WITH 1500 GALLON SEPTIC TANK APPROPRIATE TO SITE CONDITIONS IF NOT SUITABLE 37.6' BOTTOM TH-1 (1 NO GROUNDWATER FOUND %SLOPE) (1 SLOPE) 43' D' BOX 12' LEACHING FACILITY VARIANCE 'REQUESTED UNDER MAX. FEASIBLE COMPLIANCE 15.405 1b:; SAS TO BE > 3' BUT < 6' BELOW FINISH BED = _ GRADE (VENT AND H-20 PROVIDED) ROOM m m KITCHEN -ter GARAGE BED I BED LIVING Qnnkn DnnAA I _ B j LS PROP. VI FILTER A 189) 10YR 4/6 46.6' WITH PLACHOI CONSULT C PERC MS 1OYR 7/4 126" 1 137.6' NO GROUNDWATER ENCOUNTERED DCE # > 8-292 Scale: 1"= 20' 0 10 20 30 40 50 FEET DATE NOTES 6 1. DATUM IS NAVD 88 Roue 2. MUNICIPAL WATER IS EXISTING 0/d Townhouse Rd. 3. MINIMUM PIPE PITCH TO BE 1/8" PER FOOT. /v n Stagy m 4. DESIGN LOADING FOR ALL PROPOSED PRECAST ordino 0 0 UNITS TO BE AASHO H-Z o B j c m 5. PIPE JOINTS TO BE MADE WATERTIGHT. 6. CONSTRUCTION DETAILS TO BE IN ACCORDANCE Suffo/ Locus WITH 310 CMR 15.000 (TITLE 5.) O CDv, o 7. THIS PLAN IS FOR PROPOSED WORK ONLY AND NOT TO BE USED FOR LOT LINE STAKING OR ANY a OTHER PURPOSE. 8. PIPE FOR SEPTIC SYSTEM TO SCH. 40-4" PVC. 9. COMPONENTS NOT TO BE BACKFILLED OR P/oshes CONCEALED WITHOUT INSPECTION BY BOARD OF Pond HEALTH AND PERMISSION OBTAINED FROM BOARD OF HEALTH. 10. CONTRACTOR SHALL BE RESPONSIBLE FOR CALLING VERIFYING ITHE FLOCATION OF ALL UNDERGROUND & LOCUS MAP OVERHEAD UTILITIES PRIOR TO COMMENCEMENT OF WORK. SCALE 1 "=2000'f 11. ANY UNSUITABLE MATERIAL ENCOUNTERED SHALL ASSESSORS MAP 76 PARCEL 166 BE REMOVED BENEATH AND 5' AROUND THE PROPOSED LEACHING FACILITY. LOCUS IS WITHIN FEMA FLOOD ZONE X 12. EXISTING LEACHING FACILITY SHALL BE PUMPED (AREA OF MINIMAL FLOOD HAZA�D_)�S AND REMOVED OR PUMPED AND FILLED WITH CLEAN SHOWN ON C MMk0_1,fYidPiANELP,#250.01C0586,1SN'S' ,M' SAND. DATED 7/16/t 014Y, dnc to State and I oval septic varia ces. Board ofltealth review and aplrros'al is require for any future ail(litionslren�;k,auonslalterationx to sewage facilities and/or'structwr cs/6seliing. Yarmouth 11catth I)vpartment `g d Name Date SYSTEM DESI N: GARBAGE DISPOSER IS NOT ALLOWED DESIGN FLOW: 3 BEDROOMS @) 110 GPD = 330 GPD USE A 330 GPD DESIGN FLOW SEPTIC TANK: 330 GPD (2) = 660 **RE -USE EXISTING 1000 GAL. SEPTIC TANK LEACHING: SIDES: 2 (25 + 12.83) 2 (.74) = 112 GPD BOTTOM 25 x 12.83 (.74) = 237 GPD TOTAL: 472 S.F. 349 GPD USE (2) 500 GAL. LEACHING CHAMBERS (ACME OR EQUAL) WITH 4' STONE ALL AROUND , MA APPROVED DATE BOARD OF HEALTH TITLE 5 SITE PLAN OF 54 WALTHAM CIRCLE WEST YARMOUTH. MA Fn^A Thy�o�r,;�ssy� y ? o DANIEL �Gn� EL A. A. NLA +C.) OJALA m AIL o No. 40980 6502 ," P A 0FFSS�0� TEP a� DANIEL A. OJALA, P.E., P.L.S. PREPARED FOR JOAN MAHONEY DATE: SEPTEMBER 5, 2018 off 508-362-4541 I fax 508-362-9880 downcape.com 00Wn c41pe ea�ia@erin60, inc. civil engineers land surveyors 939 Main Street ( R to 6A) YARMOUTHPORT MA 02675 18-292 BASE.DWG