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Home My WebLink About83-1859 - Site Plane SYSTEM DESIGN: GARBAGE DISPOSER IS NOT ALLOWED DESIGN FLOW: 4 BEDROOMS ® 110 GPD = 440 GPD USE A 440 GPD DESIGN FLOW SEPTIC TANK: 440 GPD (2) = 880 USE A 1500 MIN. GAL. SEPTIC TANK BOTTOM AREA ONLY: 13.5' (+/-) X 50.3'= 602 SF X (.74) = 446 GPD USE A 602 SF LEACHING FIELD AS SHOWN APPROVED NOTES 1. DATUM IS NGVD29 2. MUNICIPAL WATER IS AVAILABLE 3. MINIMUM PIPE PITCH TO BE 1/8" PER FOOT. MA DATE BOARD OF HEALTH 4. DESIGN LOADING FOR ALL PROPOSED PRECAST UNITS TO BE AASHO H-12 5. PIPE JOINTS TO BE MADE WATERTIGHT. 6. CONSTRUCTION DETAILS TO BE IN ACCORDANCE WITH 310 CMR 15.000 (TITLE V.) 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. NO"BASEMENT" ALLOWED. FLOODZONE RESISTANT DESIGN REQUIRED (BY OTHERS). FINAL GRADING TO BE IN ACCORDANCE WITH FEMA REGULATIONS AS SHOWN. 14. ALL RUN-OFF TO BE CONTAINED ON-SITE DESIGN REQUIRED (BY OTHERS). FINAL GRADING TO BE IN ACCORDANCE WITH FEMA REGULATIONS. 15. DRYWELLS (OR DRIP TRENCHES) SHALL BE INSTALLED TO CONTAIN ROOF RUN-OFF. 16. CONTRACTOR TO COORDINATE ALL UTILITY DISCONNECTS AND NEW SERVICES WITH APPROPRIATE VENDORS. 17. CONTRACTOR TO NOTE ORDER OF CONDITIONS COVERING ANY WORK ON SITE TO BE ISSUED BY THE TOWN OF YARMOUTH CONSERVATION COMMISSION. COPY OF ORDER TO BE ONSITE AND ALL CONDITIONS AND SPECIAL CONDITIONS SHALL BE ADHERED TO. *THE INSTALLER SHALL VERIFY THE LOCATIONS OF ALL UTILITIES AND ALL BUILDING SEWER OUTLETS AND ELEVATIONS PRIOR TO INSTALLING ANY PORTION OF SEPTIC SYSTEM T( CRAWLSPACE SLAB 8.4 \ FLOOD VENTS WITHIN 12" GRADE (GROUND AT EL. 8.3) REQ. VENTS ON 2 SIDES REQ. FLOOD VENT/FOUNDATION DESIGN BY OTHERS. •;'; EXIST. DWELL. \ #361 ALL SYSTEM COMPONENTS SHALL BE MARKED WITH MAGNETIC TAPE OR COMPARABLE MEANS FOR FUTURE LOCATION. MARK CORNERS OF LEACH FIELD WITH 24" #5 REBAR WITH SAFETY CAP DRIVEN JUST BELOW GRADE EACH CORNER OF LEACH FIELD. FIRST FLOOR BLDG ELEV, 13.0t CONCRETE ACCESS COVERS TO WITHIN 6" OF FIN. GRADE / 4" DIA PERF. INSP. PORT TOP FOUNDATION 12.0t LEACHING FIELD, 4" THRE. 10.7' MINIMUM .75' OF COVER OVER PRECAST PRECAST H-10 4"SCH40 9.1* 8.79' DEPTH OF FLOW = 4' INLET DEPTH = 10 OUTLET DEPTH - 14" (2-% SLOPE) FOUNDATION 15' . -.. SEPTIC TANK ��/ fs'O ,, ROP. RET. '4p-- TW = -9.5' (DESI FYI PROP. 4 BR DWELLING - FIRST FL ELEV. 13.0' (CRAWLSPACE SLAB ELEV. MIN. 8.2') 5' UNSUfTABLE SOIL REMOVAL/ LIMIT AROUND LEACHING FIELD SITE PLAN Scale: 1 "= 20' NOTE: NO INCREASE IN TITLE 5 DESIGN FLOW, NOT "NEW CONSTRUCTION" UNDER TITLE 5. 0 o zo 3n an sn FFFT VARIANCES REQUESTED UNDER MAXIMUM FEASIBLE COMPLIANCE: LEACHING FIELD TO BE LOCATED 7.5' FROM LOT LINE (10' REQUIRED) VARIANCE OF 2.5' REQUESTED LEACHING FIELD TO BE LOCATED 25' FROM DRAIN WHICH MAY INTERCEPT HIGH GROUNDWATER- 50' REQ. 25' VARIANCE REQUESTED, WALL/LINER PROVIDED VARIANCE TO LOCAL BOARD OF HEALTH REGULATIONS - SEPTIC TANK TO BE 75' FROM COASTAL BANK, 100' REQUIRED, 25' VARIANCE REQUESTED LEACHING AREA TO BE 70.4' FROM COASTAL BANK, 100' REQUIRED, 29.6' VARIANCE REQUESTED LICE # 09-130 2'0IRS SE (nP) 4"0SCH40 PIPES LEVEL 1ST 2' \8.54' 00000 0 0 0 0 0 0 e o o a o 0 0 eov000vov000 0 9.5± �P 8.40' CLEAN 3/4"-1-1/2" DOUBLE WASHED 8.52' 8.35 8.25' LEVEL D -BOX ACME DB -5 OR EQ. BLOCK UP FOR 24• COVER TYP. 6" CRUSHED STONE OR MECHANICAL BLDG E PROFILE COMPACTION. (15.221 [2]) 55' TIDALLY INF (-Z-% SLOPE) (-!--7 SLOPE) LEACHING: USE A 602 SF LEACF 2' D' BOX 12' LEACHING FACILITY PROPOSED 4 BR SEPTIC SYSTEM TO 1a• CONSIST OF 4 TITLE 5 COMPLIANT 1500 L GALLON SEPTIC TANK, DBOX, AND A BY S/T) 602 SF LEACH FIELD, BASE OF WHICH TEE 1500 MIN. GAL H-10 IS 5' ABOVE HIGH GROUNDWATER. FINAL GRADE OVER SAS TO BE ELEV. a: SEPTIC TANK ST TEE SLOPE OF GROUND 71) 4' LIQ. LEVEL 5' MIN.UNSUITABLE THEN SAND SHOREY OR EQUAL cas BAFrTE SOIL REMOVAL °d 0000000000000000000000 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 00 (2-% SLOPE) FOUNDATION 15' . -.. SEPTIC TANK ��/ fs'O ,, ROP. RET. '4p-- TW = -9.5' (DESI FYI PROP. 4 BR DWELLING - FIRST FL ELEV. 13.0' (CRAWLSPACE SLAB ELEV. MIN. 8.2') 5' UNSUfTABLE SOIL REMOVAL/ LIMIT AROUND LEACHING FIELD SITE PLAN Scale: 1 "= 20' NOTE: NO INCREASE IN TITLE 5 DESIGN FLOW, NOT "NEW CONSTRUCTION" UNDER TITLE 5. 0 o zo 3n an sn FFFT VARIANCES REQUESTED UNDER MAXIMUM FEASIBLE COMPLIANCE: LEACHING FIELD TO BE LOCATED 7.5' FROM LOT LINE (10' REQUIRED) VARIANCE OF 2.5' REQUESTED LEACHING FIELD TO BE LOCATED 25' FROM DRAIN WHICH MAY INTERCEPT HIGH GROUNDWATER- 50' REQ. 25' VARIANCE REQUESTED, WALL/LINER PROVIDED VARIANCE TO LOCAL BOARD OF HEALTH REGULATIONS - SEPTIC TANK TO BE 75' FROM COASTAL BANK, 100' REQUIRED, 25' VARIANCE REQUESTED LEACHING AREA TO BE 70.4' FROM COASTAL BANK, 100' REQUIRED, 29.6' VARIANCE REQUESTED LICE # 09-130 2'0IRS SE (nP) 4"0SCH40 PIPES LEVEL 1ST 2' \8.54' 00000 0 0 0 0 0 0 e o o a o 0 0 eov000vov000 0 9.5± �P 8.40' CLEAN 3/4"-1-1/2" DOUBLE WASHED 8.52' 8.35 8.25' LEVEL D -BOX ACME DB -5 OR EQ. BLOCK UP FOR 24• COVER TYP. 6" CRUSHED STONE OR MECHANICAL BLDG E PROFILE COMPACTION. (15.221 [2]) 55' TIDALLY INF (-Z-% SLOPE) (-!--7 SLOPE) LEACHING: USE A 602 SF LEACF 2' D' BOX 12' LEACHING FACILITY 0 SAND AT BOTTOM OF DED CAP TO WITHIN 3" OF FINISH GRADE 40 MIL LINER FROM ELEV. 8.4 TO ELEV. 4.4 MIN. \ RETAINING WALL SCHEMATIC SHOWN, EXACT FASCADE \\\ AND CONSTRUCTION BY OTHERS. TOP OF WALL HT. AS NOTED [SHED GRADE- 4" LOAM & SEED 2% MIN, SLOPE OVER SYSTEM \ o LEACHING FIELD o PROPOSED 4 BR SEPTIC SYSTEM TO A d: CONSIST OF 4 TITLE 5 COMPLIANT 1500 L GALLON SEPTIC TANK, DBOX, AND A BY S/T) 602 SF LEACH FIELD, BASE OF WHICH V IS 5' ABOVE HIGH GROUNDWATER. FINAL GRADE OVER SAS TO BE ELEV. a: 10.5 -9.5' VARIES 0 SAND AT BOTTOM OF DED CAP TO WITHIN 3" OF FINISH GRADE 40 MIL LINER FROM ELEV. 8.4 TO ELEV. 4.4 MIN. \ RETAINING WALL SCHEMATIC SHOWN, EXACT FASCADE \\\ AND CONSTRUCTION BY OTHERS. TOP OF WALL HT. AS NOTED [SHED GRADE- 4" LOAM & SEED 2% MIN, SLOPE OVER SYSTEM \ o LEACHING FIELD o ,.CAP ENDS v 6"DEPTH �; MIN BELOW INV. A d: •p°,r+,-;. 0 8.00' PROPOSED CONTOUR BOTTOM o PROPOSED SPOT EL. 3" LOAM a: 3" LOAM SLOPE OF GROUND 71) THEN SAND 5' MIN.UNSUITABLE THEN SAND 7.50' SOIL REMOVAL °d 24" WHERE SPECIFIED. •' A LS DEPTH PER SOIL LOGS 5.0' 00000 10YR 3/2 00000000000, 10YR 3/2 JENCED GROUNDWATER _ 2.5' NG FIELD 602 SF X .74 = 445 GPD O.K. TEST HOLE LOGS ENGINEER: DANIEL A. OJALA PE, PLS SE1805 WITNESS: AMY VON HONE RS, CHO DATE: JULY 1, 2009 PERC. RATE _ < 2 MIN/INCH___ CLASS SOILS P# ELEV D„ 4 7.0' Q„ 4 7.0' FILL PROPOSED CONTOUR FILL PROPOSED SPOT EL. TH1 3" LOAM TEST HOLE 3" LOAM SLOPE OF GROUND 71) THEN SAND y41 THEN SAND -W- 24" -X- 24" LOT LINE A LS POST LIGHT A LS 27" 10YR 3/2 27" 10YR 3/2 B LS B LS 42" 10YR 5/6 3.5' 42„ 10YR 5/6 3.5' C1 C1 PERC BOTT. AT 52•, 24 GAL IN 9:30 < 2 MIN/INCH M/C S M/C S GROUNDWATER DEPTH 56.4" el. 2.3' BUT TIDALLY INFLUENCED 2.5 Y 7/3 7 EL. 2.3' - 2.5 Y 7/3 SEE BELOW 120„ -3.0 120" -3.0 NOTE: MONITORING WELL OVER LUNAR CYCLE EL. 2.5 TIDALLY INFLUENCED- USE 2.5 NGVD29 AS ADJUSTED HIGH GROUNDWATER ELEVATION 4" DIA PERF. INSP. PORT TO SAND AT BOTTOM OF LEACHING FIELD. 4" THREADED CAP, SCH40 PVC THREADED CAP TO WITHIN 3" OF FINISH GRADE 2% MIN. FINISH GRADE LOAM AND SEED MIRAFI 140N FABRIC OR 2" PEASTONE 5' MIN.- �j 3/4" TO 1 i 1/2" DOUBLE ADJ. _ WASHED STONE (NO FINES) GROUNDWATER 5' MIN.UNSUITABLE CROSS SECTION VIEW SOIL REMOVAL WHERE SPECIFIED DEPTH PER SOIL LOGS LEACHING FIELD TYPICAL DETAIL NOT TO SCALE -T GIST R v ! ND ss+ 1�) AL DATE DANIEL A. OJALA, P.E.DANIEL A. OJALA, P.E., P.L.S. off 508-362-4541 fax 508-362-9880 downcape.com down cope engineering, im. civil engineers land surveyors 939 Main Street ( Rte 6A) YARMOUTHPORT MA 02675 e Lewis Bay h °dio Road gond c� (0 0 ° Nantucket Sound LOCUS MAP SCALE 1"=2000'± ASSESSORS MAP 14 PARCEL 3 DATUM: NGVD LOCUS IS WITHIN FEMA FLOOD ZONE B & Al2 ELEV. 10 AS SHOWN ON COMMUNITY PANEL #250015 0005 D DATED JULY 2, 1992 (NOTE: ELEVATIONS, BASED ON NGVD, INDICATE ENTIRE SITE IS WITHIN THE 100 YEAR FLOOD ELEVATION) WETLAND RESOURCE AREAS FLAGGED BY LEC ENVIRONMENTAL CONSULTANTS, INC. ZONING SUMMARY ZONING DISTRICT: R-25 MIN. LOT SIZE 25,000 S.F. MIN. FRONT SETBACK 30' MIN. SIDE SETBACK 15' MIN. REAR SETBACK 20' MAX. LOT COVERAGE: 25% UPLAND AREA (TO C. BANK) = 12745 SF SITE IS LOCATED WITHIN AP DISTRICT REFERENCES CTF 139728 LCP 14426H, LOT 80 LEGEND -- 99-- EXISTING CONTOUR X 99.7 EXIST. SPOT ELEV. 99 PROPOSED CONTOUR 098.41 PROPOSED SPOT EL. TH1 TEST HOLE 21 SLOPE OF GROUND 71) UTILITY POLE y41 FIRE HYDRANT -W- WATER LINE -X- FENCE LINE LOT LINE POST LIGHT NOTE NOT ALL SYMBOLS MAY APPEAR IN DRAWING SITE PLAN SHOWING PROPOSED DWELLING AT 355 GREAT ISLAND ROAD WEST YARMOUTH PREPARED FOR B. RODOALPH & M. MICOZZI JUNE 12, 2009 REV. JULY 1, 2009 (TH LOGS ETC.) Scale: 1"= 20' 0 10 20 30 40 50 FEET