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HomeMy WebLinkAboutEngineered Plan - 2016LEGEND as — tXIJ I INU UUN I UUK X 99.1 EXIST. SPOT ELEV. 99 PROPOSED CONTOUR X98 4] PROPOSED SPOT EL. TH1 3 � 15' TEST HOLE 2YYY= SLOPE OF GROUND SITE UTILITY POLE m FIRE HYDRANT NOTE NOT ALL SYMBOLS MAY APPEAR IN DRAWING *THE INSTALLER SHALL VERIFY THE LOCATIONS OF ALL UTILITIES AND ALL BUILDING SEWER OUTLETS AND ELEVATIONS PRIOR TO INSTALLING ANY PORTION OF SEPTIC SYSTEM SYSTEM DESIGN: GARBAGE DISPOSER IS NOT ALLOWED EXISTING 4 BEDROOM DWELLING PROPOSED 4 BEDROOM DWELLING DESIGN FLOW: 4 BEDROOMS @ 110 GPD = 440 GPD USE A 440 GPD DESIGN FLOW SEPTIC TANK: 440 GPD (2) = 880 USE A 2500 GAL. SEPTIC TANK/PUMP CHAMBER LEACHING: 440 GPD / (.74) = 595 SF REQUIRED 12' X 50' = 600 SF OK 600 SF X .74 = 444 GPD OK USE A 12' X 50' PIPE AND STONE LEACHING FIELD *RE-ROUTE ALL PLUMBING TO FRONT, PLUMBER TO CONFIRM FEASIBILITY PRIOR TO INSTILLATION , MA APPROVED DATE BOARD OF HEALTH BUOYANCY CALC: 2500 H.-10 TANK WEIGHT: 22,560 LBS 11.83 x 6.33 x 3.3 x 62.4 = 15,420 UP (OK) TEST HOLE LOGS SYSTEM PROFILE MARK CORNERS OF LEACHING FIELD W/ (NOT TO SCALE) REBAR SET 4" BELOW PROVIDE INSPECTION PORTS TO PROVIDE MIN. 20" DIAM. WATERTIGHT GRADE WITHIN 3" OF FINISH GRADE ACCESS COVERS TO WITHIN 6" OF FIN. GRADE 21*SLOPE \ )P FOUND. EL. 7.82' FILTER FABRIC 7 0MINIMUM .75' OF COVER OVER PRECAST 1 2% SLOPE REQUIRED OVER SYSTEM 8 TOP 7.65' FINISHED GRADE— 4" LOAM & SEED OR PAVE AS REQ. PRECAST H-10 NOTE. 2" MIN. WALL 72'± RISERS (TYP.) PROP. TEE THICKNESS REQUIRED CLEAN FILL 2� 4"OSCH40 PVC PIPES LEVEL 1 ST 2' 4" PERFORATED PVC 5' D.C. S=0.005 -� o 0 2500 GAL H-10 3/4"-1-1/2" DOUBLE WASHED o " SEPTIC TANK/ L9" STONE LEACHING FIELD 6"DEPTH MIN BELOW INV. 71fTE�E PUMP CHAMBER ° ' 0 0 0 0 7.30 LEVEL BOTTOM o 7.05 , (��% SLOPE) FOUNDATION 12' — COMBINATION 000 ° 000000000 0 o�0 ,o0oo0 ,o0 SEE DETAIL BELOW 7.50' 7.33' °0000000000000000 WATER—TEST D'BOX FOR LEVELNESS 0;-;0;0;.;-;-;0;-;0; 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 X000„0,,0,,00000000000�0�0�0„0„0�00000. 6" CRUSHED STONE OR MECHANICAL COMPACTION. (15.221 [2]) (—L—% SLOPE) - SEPTIC TANK/ 4' D' BOX 5' PUMP CHAMBER l LEACHING FACILITY 50.0' 6.55' 4.0' OBSERVED GROUNDWATER ELEV. 2.55' (TIDALLY—INFLUENCED GROUNDWATER) NOTES 1. DATUM IS NAVD 88 2. MUNICIPAL WATER IS EXISTING 3. MINIMUM PIPE PITCH TO BE 1/8" PER FOOT. 4. DESIGN LOADING FOR ALL PROPOSED PRECAST UNITS TO BE AASHO H—M 5. PIPE JOINTS TO BE MADE WATERTIGHT. 6. CONSTRUCTION DETAILS TO BE IN ACCORDANCE WITH 310 CMR 15.000 (TITLE 5.) 7. THIS PLAN IS FOR PROPOSED WORK ONLY AND NOT TO BE USED FOR LOT LINE STAKING OR ANY OTHER PURPOSE. 8. PIPE FOR SEPTIC SYSTEM TO SCH. 40-4" PVC. 9. COMPONENTS NOT TO BE BACKFILLED OR CONCEALED WITHOUT INSPECTION BY BOARD OF HEALTH AND PERMISSION OBTAINED FROM BOARD OF HEALTH. 10. CONTRACTOR SHALL BE RESPONSIBLE FOR CALLING DIGSAFE (1-888-344-7233) AND VERIFYING THE LOCATION OF ALL UNDERGROUND & OVERHEAD UTILITIES PRIOR TO COMMENCEMENT OF WORK. 11. ANY UNSUITABLE MATERIAL ENCOUNTERED SHALL BE REMOVED 5' BENEATH AND AROUND THE PROPOSED LEACHING FACILITY. 12. EXISTING LEACHING FACILITY SHALL BE PUMPED AND REMOVED OR PUMPED AND FILLED WITH CLEAN SAND. 13. INSTALLER TO VERIFY THE ELECTRICAL SYSTEM IS SUITABLE FOR PUMP CONNECTION. ELECTRICAL PERMIT REQUIRED. VARIANCES REQUESTED: UNDER MAX. FEASIBLE COMPLIANCE 15.405: (1h): REDUCTION IN GROUNDWATER SEPARATION, 5' TO 4' UNDER TOWN OF YARMOUTH HEALTH REGULATIONS: (3.7): REDUCTION IN SETBACK, SAS TO BVW (100' TO 76') & SEPTIC TANK TO BVW (100' TO 92') UNDER TITLE 5, 15.255(e): REDUCTION IN SEPARATION TO IMPERVIOUS BARRIER, 10' TO 2' 15.255(5): REDUCTION IN LATERAL REMOVAL OF UNSUITABLE SOIL, 5' TO 2' s \ MILL UHLLK ENGINEER: CRAIG J. FERRARI, SE #13871 (TIDAL) LIVING AMY VON HONE, RS \\ SALT ^ OFFICE ROOM WITNFS� SAMA e DATE: 6/2/2016 PERC. RATE _ < 2 MIN/INCH CLASS I SOILS IN 48" A LS 60" 1OYR 2/2 2.3' SIEVE MS 10YR 7/1 108" I I -2.3' GROUNDWATER ENCOUNTERED 57" (EL 2.55) ACCESS FOR ROUTINE MAINTENANCE MUST BE PROVIDED FOR ZABEL FILTER. INSTALLER MUST FOLLOW ALL MANUFACTURER'S SPECIFICATIONS FOR PROPER FILTER INSTALLATION ALARM AND CONTROL PANEL TO BE INSTALLED INSIDE BUILDING. ALARM TO BE ON INV. IN 5.42' SEPARATE CIRCUIT FROM PUMP ZABEL FILTER FLOAT SWITCH ALARM ON (A100) OUTLET TEE W/EXTENSION SETTINGS: PUMP ON 5" WORKING RANGE 6" 5" PUMP OFF 12" DCE # 15-390 24"0 CAST IRON COVERS TO GRADE 440+ GAL 000 000 0000 0000000 2500 GAL. SEPTIC TANK/ 6" BAFFLE PUMP CHAMBER COMBINATION (NOT TO SCALE) UTILITY BEDROOM BEDROOM BATH KITCHEN ±--- BATH BEDROOM PROPOSED GARAGE ADDITION \/ FLOOR PLANS NOT TO SCALE ; (_13_1 DATE LOCUS MAP SCALE 1"=2000'± ASSESSORS MAP 29 PARCEL 68 LOCUS IS WITHIN FEMA FLOOD ZONE AE EL 11 & 13 AS SHOWN ON COMMUNITY PANEL #25001CO569J DATED 7/16/14 (DWELLING IS IN AE EL. 11) ZONING SUMMARY ZONING DISTRICT: R-25 DISTRICT MIN. Route 28 Berke 25,000 S.F. o FRONT SETBACK `o Q MIN. 3 � 15' 3 m REAR SETBACK feu o d SITE oy m A o\ Locus Lewis Bay LOCUS MAP SCALE 1"=2000'± ASSESSORS MAP 29 PARCEL 68 LOCUS IS WITHIN FEMA FLOOD ZONE AE EL 11 & 13 AS SHOWN ON COMMUNITY PANEL #25001CO569J DATED 7/16/14 (DWELLING IS IN AE EL. 11) ZONING SUMMARY ZONING DISTRICT: R-25 DISTRICT MIN. LOT SIZE 25,000 S.F. MIN. FRONT SETBACK 30' MIN. SIDE. SETBACK 15' MIN. REAR SETBACK 20' SITE IS NOT LOCATED WITHIN AN AP DISTRICT OWNER OF RECORD RODERICK A. ROBERTSON, TR FOURTEEN GRIST MILL LANE NOM. TR 125 CHUET ROAD DEDHAM, MA 02026 REFERENCES DEED BOOK 10806 PAGE 247 PLAN BOOK 112 PAGE 5 LOT 57 PLAN BOOK 153 PAGE 47- LOT 74 Permit valid for REPAIR OF SEPTIC SYSTEM ONLY, due; to State and L.ucal Septic variances• Board of health revi_ and <cpproval is reyuircd tier additions/rcnurations/alterations to any, future sewage facilities and/or structuresldweting. Yarmouth Heo-tlth 1Dc{rartnten% APPROVED IVa lie' Date OF #14 GRIST MILL LANE WEST YARMOUTH, MA PREPARED FOR DATE: JUNE 23, 2016 Scale: 1 "= 20' 0 10 20 30 40 50 FEET off 508-362-4541 fax 508-362-9880 downcape.com down carpe ekeerI ,g, inc. civil engineers land surveyors 939 Main Street ( Rte 6A) YARMOUTHPORT MA 02675 15-390 �