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HomeMy WebLinkAbout83-1543 - Site Plan002LEGEND 100.0 PROPOSED SPOT ELEVATION 100x0 EXISTING SPOT ELEVATION 100 PROPOSED CONTOUR — 100 — EXISTING CONTOUR SEPTIC DESIGN: (GARBAGE DISPOSER IS NOT ALLOWED ) DESIGN FLOW: 6_ BEDROOMS (110 GPD) = 660 GPD USE A 660 GPD DESIGN FLOW SEPTIC TANK: 660 GPD (2_) = 1320 USE A 1000 GALLON SEPTIC TANK LEACHING: = 203.7 2(58 + 10.83) 2 (.74) SIDES: 58 x 10.83 (.74) = 464.8 BOTTOM: TOTAL: 903 S.F. 668.6 GPD USE (6) 500 GAL. LEACHING CHAMBERS (ACME OR EQUAL) WITH 3.5' STONE AT ENDS AND 3' AT SIDES SEPTIC PROFILE TOP FNDN = 20.43(NOT TO SCALE) ACCESS COVER TO WITHIN 6` OF FIN. GRADE ACCESS COVER (WATERTIGHT) TO MINIMUM .75' Of COVER OVER PRECAST F WITHIN 6" OF FIN, GRADE try, SLOPE REQUIRED OVER SYSTEM 17.5' PROP PROPOSED 2000GALLON SEPTIC 17.0' TANK (H- 10 ) MIN (-L-% SLOPE) DEPTH OF FLOW = 4 TEE SIZES: 1011 INLET DEPTH = OUTLET DEPTH = 19' RUN PIPE LEVEL /FOR FIRST 2' 16.75' //JJ Gas 6.26' BAFFLE 16.43' "� 6" CRUSHED STONE OR MECHANICAL COMPACTION. (15.221 (2I) ( 2 % SLOPE) #5 =+QP vU r WIRE BENCHMARK #6 FIRE HYDRANT _TAG BOLT #1462 ELEV = x91;;56' NGVD 2" DOUBLE WASHED PEASTONE "�'Iwwww LOGS � wwww E � wwww MURPHY w www PERC. RATE _ < 2 MIN/INCH w CLASS I SOILS P# w wwww' ELEV. ��wwww wwww 20.0' w www AFILL A10" w � 3/4" TO 1 1/2" DOUBLE WASHED STONE 16' D' BOX 28 SAS, IN AREA OWN. 5' REMOVAL REQUIRED AROUND PERIMETER OF LEACH FACILITY, DOY.TI TO SUITABLE SOIL LAYER. REPLACE. WITH CLEAN MEDIUM SAND. ENGINEER TO INSPECT -AND CERTIFY REMOVAL. NOTE: PROVIDE SUPPORT FOR BOULDER (OR REMOVE) DURING CONSTRUCTION OF SEPTIC SYSTEM/SOIL REMOVAL, AS NECESSARY LEACHING FACILITY VARIANCE REQUESTED UNDER 15.405 1(b): REQUEST REDUCTION IN SETBACK TO FOUNDATION, 20' TO 15' DUE TO SITE CONSTRICTIONS (30 MIL LINER PROVIDED FOR MITIGATION) 99-412 ..��.��.�aum:auaefuW4alm61:IDSi uw✓_ . -... a 119.0, 3' MAX. 16.0' AT ENDS 1 5.17' EL. 8.0' TH2 TEST HOLE LOGS ENGINEER: M. FARIA, SE WITNESS: KELDA GORMAN/BRUCE MURPHY DATE: FEBRUARY 9, 2000 PERC. RATE _ < 2 MIN/INCH CLASS I SOILS P# ELEV. ELEV. 20.0' AFILL A10" SL 10YR 3/1 T36" BB LSSL 14„ 10YR 5/60YR 5/6 15' r1 2.5Y 5/4 15.0' 2.5Y 5/4 C2 108" COS SOME SILT C2 1 DSS. WATER D 8.0' 2.5Y 5/4 MS 10YR 6/8 144" 162" 4.5' NO WATER NOTE: G -W TIDALLY INFLUENCED M ASSESSORS MAP 121 PARCEL 13 ZONING DISTRICT: R40 YARD SETBACKS: FRONT = 30' SIDE = 20' REAR = 20' FLOOD ZONE: V4 EL. 14, A5 EL 12, A3 EL. 11, C V4 FLOODZONE IN MARSH AREA HOUSE AND ADDITION LIE IN FLOODZONE C NOTES: 1, DATUM IS NGVD (RM 1) 2. MUNICIPAL WATER IS EXISTING 3. MINIMUM PIPE PITCH TO BE 1/8" PER FOOT. 4. DESIGN LOADING FOR ALL PRECAST UNITS TO BE AASHO H- 10 5. PIPE JOINTS TO BE MADE WATERTIGHT. 6. CONSTRUCTION DETAILS TO BE IN ACCORDANCE WITH MASS. ENVIRONMENTAL CODE TITLE V. 7. THIS PLAN IS FOR PROPOSED WORK ONLY AND NOT TO BE USED FOR LOT LINE STAKING. 8. PIPE FOR SEPTIC SYSTEM TO SCH. 40-4" PVC. 9. COMPONENTS NOT TO BE BACKFILLED OR CGf:CEALEB INSPECTION BY BOARD OF HEALTH AND PERMISSION OBTAINED FROM BOARD OF HEALTH. 10. CONTRACTOR SHALL BE RESPONSIBLE FOR VERIFYING THE LOCATION OF ALL UNDERGROUND & OVERHEAD UTILITIES PRIOR TO COMMENCEMENT OF WORK. 11. ROOF RUN-OFF SHALL BE DIRECTED TO DRYWELLS, OR TO STONE TRENCHES TITLE 5 SITE PLAN of 108 MILL LANE IN THE TOWN OF: YARMOUTH (PORT) PREPARED FOR: RONALD AND LAUREL GABEL 30 0 30 60 90 SCALE: 1 = 30 DATE: SEPTEMBER 27, 2000 REV. FEBRUARY 2. 2001 i ��� DATE Off 508-362-4541 fox 508 362-9880 down cape engineering, inc. CIVIL ENGINEERS LAND SURVEYORS 939 main st. yarmouth, ma 02675