Loading...
HomeMy WebLinkAboutEngineered Plans - 2015In LEGEND x 9,08 TOP LEACH AREA PROPOSED CONTOUR MAP 34 ® PROPOSED SPOT GRADE PCL. 37 -- 98 -- EXISTING CONTOUR + 96.52 EXISTING SPOT GRADE W- EXISTING WATER SERVICE TEST PIT ( o0 1100. a Dc� BENCHMARK HYDRANT TAG BOLT #1850 W\ ELEV=9.3' NAVD 88' 1 UTILITY POLE EY,��� -OH`N 7 4 ` MAP 34 s PCL. 29 �00s PROP. 2,000G 6,500± S'F.\ F 2 -COMP TANK (0.151 AC.) 0 01.11 (150OG/500G) 0 110 1 WATERGATE -N -Y \ WATERGA PROP. 5 FT SOIL REMOVAL N OF MA JOHN Z. DEMAREST, JR. No. 36859 S b � VARIANCE REQUESTS - MAXIMUM FEASIBLE COMPLIANCE PER 310CMR75.405 (1)(h): 1) A 13.0 Fr. VARIANCE FROM 310 CMR 15.211 TO ALLOW LEACHING TO BE 7.0 Fr. FROM CRAWL SPACE VS. REQUIRED 20 Fr. ( LINER PROVIDED) �\ x 11.28 TOP LEACH AREA \ / \ SHED permit valid for REPAIR OF SEPTIC S :M ONLY; clue to State unci local septic var' es. oarQ of40ealth review and approval is requir t for future add itions/renocations/aIterations to se e facilities-aT1t1/or struMures/dwelling. s Yarmouth flieatth Department APPROVED 7 a ie Date MAP 26 PCL. 28 P c GENERAL NOTES: 1. ALL CHANGES TO THIS PLAN MUST BE APPROVED BY THE LOCAL 10. EXISTING LEACHING (IN REAR) TO BE CRUSHED, PUMPED AND FILLED. BOARD OF HEALTH AND THE DESIGN ENGINEER. 2. ALL WORK AND MATERIALS SHALL CONFORM TO THE REQUIREMENTS 11. 48 HOUR NOTICE FOR ENGINEER CERTIFICATION OF THE STATE ENVIRONMENTAL CODE, TITLE V. ANO ANY APPUCABLE 12. THIS PLAN IS TO BE USED FOR SEPTIC SYSTEM PURPOSES ONLY LOCAL RULES AND REGULATIONS. AND IS NOT TO BE CONSIDERED A PROPERTY UNE SURVEY 3. THE SEWAGE DISPOSAL SYSTEM SHALL NOT BE BPXCKFIUFD PRIOR 13. NO PRIVATE WELLS WITHIN 100 FT. OF PROPOSED LEACHING TO INSPECTION AND APPROVAL BY THE BOARD OF HEALTH AND THE 14. ALL PIPE TO BE 4` SCH 40 O 1/8` /FT (UNLESS SPEC. OTHERWISE) DESIGN ENGINEER. 15. THE DESIGN OF THIS SYSTEM DOES NOT ALLOW 4. ANY CONDITIONS ENCOUNTERED DURING CONSTRUCTION DIFFERING' FROM THOSE SHOWN HEREON SHALL BE REPORTED TO THE DESIGN FOR THE USE OF A GARBAGE GRINDER ENGINEER BEFORE CONSTRUCTION CONTINUES. 16. NO WETLANDS WITHIN 100 FT. OF PROPOSED LEACHING 5. ALL ELEVATIONS BASED ON NGVD DATUM. 17. REMOVE UNSUITABLE SOILS 5 FEET AROUND LEACHING TO EL. 6.10 6. THE DESIGN ENGINEER IS NOT RESPONSIBLE FOR THE FAILURE OF THE CONTRACTOR OR OWNER TO NOTIFY THE LOCAL BOARD OF OR TOP OF C LAYER AND REPLACE WITH CLEAN MEDIUM SAND PER HEALTH FOR PROPER INSPECTIONS DURING CONSTRUCTION. TITLE 5. 7. WATER SUPPLY PROVIDED BY MUNICIPAL WATER. 18. PLACE 40ml POLY LINER AROUND ENTIRE LEACHING AT EDGE OF 8. ALL AREAS DISTURBED DURING CONSTRUCTION SHALL BE RESTORED TO A CONDITION AGREED UPON BETWEEN OWNER AND CONTRACTOR. SOIL REMOVAL, FROM ELEVATION 8.9-4.9 9. R SHALL BE THE RESPONSIBILITY OF THE CONTRACTOR TO VERIFY 18. PLACE LANDSCAPE TIMBERS AS SHOWN TO CUT TOE OF SLOPE TOWARDS THE LOCATION OF ALL UNDERGROUND UTILITIES, PRIOR TO BEGINNING DWELLING, GRADE SLOPE AWAY FROM DWELLING. CONSTRUCTION. SOUTH YARMOUTH ROUTE 28 LOCUS MAN LOCUS INFORMATION TITLE REF: 7902/139 PARCEL ID: MAP 34 PAR. 38 NER LN. FLOOD ZONE: "AE" EL. 11.0 COMMUNITY PANEL: 25001CO589J DATED:07/16/14 SEPTIC SYSTEM REPAIR PLAN LOCATED AT: 26 GARDINER LANE SOUTH YARMOUTH MA PREPARED F R TEQ, �� "" D PISELLI JUL r12?Ulb JULY 16, 2015 I-_ HEALTH OE OF Mq� 4 D MEYER & SONS INC. P.O. Box 981 E. SANDWICH, MA 02537 PH. (508)360-3311 fax (774)413-9468 meyerandsonstitle5@gmail.com SHEET 1 OF 2 697 I PROPOSED TANK INSTALL RISERS W/IN 6" OF FINISH GRADE T.O.F. EL.=9.90 EL.8.3f EL9.2t x EL.7.55 NOTE: MAGNETIC TAPE TO BE PLACED OVER ALL COVERS PUMP CHAMBER D -BOX INSTALL RISERS to FINISH GRADE INSTALL RISERS W/IN 6" OF FINISH GRADE FEL.8.3f LO b „'� 500G�•TEE'S ARE TO BE COMP.:�4" SCH 40 PVC •PUMP CRAM.1,5000 GAS Exist. Invert COMP. BAFFLE (SEE DETAILINV.= 7.15 INw/ FILTER BELOW) ., ME PROPOSED 1,500/500 GALLON 2 -COMPARTMENT SEPTIC TANK NOTES: 1) CONTRACTOR SHALL VERIFY ALL EXISTING PIPE INVERTS PRIOR TO CONSTRUCTION. 2) PUMP CHAMBER, AND D -BOX SHALL BE SET TRUE TO GRADE ON A MECHANICALLY COMPACTED SIX INCH CRUSHED STONE BASE AS SPECIFIED IN 310 CMR 15.221(2). 3) INSTALL PVC INLET/OUTLET TEES IN SEPTIC TANK AS REQUIRED. 4) GAS BAFFLE W/ FILTER TO BE INSTALLED ON OUTLET TEE AS MANUFACTURED BY TUF-TITE, ZABEL OR EQUAL. 4" SCH 40 PVC 2" ® S= 1% (MIN.) FO FINISH GRADE=9.80 F.G. EL: 10.0t MAINTAIN 2% MIN SLOPE OVER LEACHING AREA INSTALL SANITARY TEE L=10'(MAX) :H 40 PV 4" SCH 40 PVC """""� t INV.=8.58 INV.= 8.78 D-�BOX INV.= 6.25 TEE SHALL NOT EXTEND BELOW FLOW LINE (USE DB -5 W/BAFFLE) SEPTIC INSTALL 1 PVC CONDUIT TO HOUSE FOR WIRING PROVIDE WATERTIGHT CONCRETE RISER WITH WATERTIGHT JOINTS. WIRE HIGH WATER ALARM WITH SECURED COVER TO GRADE FLOAT TO GP 2000 HIGH WATER ALARM PANAL ON CIRCUIT SEPARATE FROM CIRCUIT TO THE PUMP. ---\ � NEMA 4 JUNCTION BOX CORROSION RESISTANT HOISTING CABLE 7x19 STAINLESS STEEL 1/8" DIAMETER. / 1,760 LB. STRENGTH. PC INV.(OUT)=6.25 ALARM ON EL: 3.58 PUMP ON EL: 3.25 & LIQUID -TIGHT CABLE CONNECTORS SUPPORTED BY 1-1/4" PVC CONDUIT. JOINTS TO BE MADE WATERTIGHT .2"BALL VALVE w/ UNIONS SCH. 80 PVC GEORGE FISHER CO. MODEL NO. 560 OR EQUAL 2"SCH. 40 DISCHARGE TO D -BOX •2"SCH. 40 TEE w/ CLEAN-OUT CAP PROVIDE 1/4" WEEP HOLE IN DISCHARGE PUMP OFF EU 3.00 7O ' _ PIPE FOR SELF -DRAINING FORCE MAIN 12 9' 2" BALL CHECK VALVE SCH. 80 PVC BOTTOM OF INT. P.C. EL. 2.25 _ 100 P.S.I. FLOWMATIC MODEL No. 208S PROVIDE 2- WIDE ANGLE FLOATS: 2" SCH. 40 PVC DISCHARGE PIPE b FLOAT NO.1: PUMP ON/OFF (BARNES 073618 OR EQUAL) J4 FLOAT N0.2: ALARM ACTIVATION (BARNES 073612 OR EQUAL)-- - _, BARNES SEV412 PUMP .5 H.P. 115 V 2" DISCHARGE PASSING 2" SOLIDS OR EQUAL �-�v NOTE: SEPTIC TANK AND PUMP CHAMBER TO BE FACTd Y WATERPROOFED AN EALED WITH THOROSEAL OR EQUAL. PUMP & ACCESSORIES AVAILABLE A UNIT ) Y OU THROUGH WIGGEN PRECAST CORP., B URN 00) PUMP & ACCESSORIES AVAILABLE THROUGH WILLIAMSON ELECTRIC 7444-6800 PUMP DETAIL , Y/ ® S= 1% (MIN.) 3INVERT .� NITAR SYSTEM( PROFILE N.T.S. BUOYANCY CALCULATIONS 2.000 2 -COMP MONOLITHIC TANK uplift: 12' x 7' x 4 x 62.4 = 20,966 lbs ground cover. 12' x 7' x .75 x 120 s 7,560 lbs empty tank: = 16,000 lbs groundcover + empty tank > uplift: 7,560 + 16000 = 23,560lbs > 20,966 lbs TANK BUOYANCY CHECK O.K. N.T DOSING & STORAGE REQUIREMENTS DAILY FLOW: 330 GPD DOSING REQUIRED: 8 CYCLES/DAY (SAND) 330 = 8 = 41.25 GALLONS/CYCLE DISTANCE REQUIRED BETWEEN PUMP ON AND PUMP OFF FLOATS: 41.25 GAL/CYCLE _ 125 GAL/FT = 0.33 FT/CYCLE (4") STORAGE REQUIRED ABOVE WORKING LEVEL: 330 GALLONS STORAGE PROVIDED: INV. EL:6.25 - ALARM ON EL: 3.58 =2.67' STORAGE PROVIDED = 2.67' X 125 GAL/FT = 333.0 GALLONS MIN. COVER OVER S.A.S. = 9" TWO INSPECTION PORTS(MIN.) X71 ,oly liner (see note 18) PAGE 4 ROWS OF 6 UNITS AT 4.0'/UNIT = 24.0'/ROW 1 INV.ELEV.=8.48 SOIL ABSORPTION SYSTEM (PROFILE) / RESTORE VEGETATIVE COVER / BACKFILL WITH CLEAN PERC SAND TO TOP OF CHAMBERS BREAKOUT=TOP ELEV.=8.87 INV. ELEV.= 8.48 BOTTOM ELEV.= 8.20 EXISTING SUITABLE R3' t MATERIAL 5' MIN. ABOVE BOTTOM OF T.P. EXCAVATION OR G.W.EFFECTIVE WIDTH = 4 x 2.83' = 11.32' (5.06' PROVIDED) USE 4 ROWS OF 6 INFILTRATOR QUICK 4 PLUS ADJ. GROUNDWATER EL.=3.14 - STD LP (3.3" INVERT) UNITS -NO STONE TYPICAL SECTION SOIL LOG N.T.S. DATE: JUNE 24, 2015 DESIGN CRITERIA SOIL EVALUATOR: DARREN M. MEYER, R.S., NUMBER OF BEDROOMS: 3 BEDROOM DESIGN WITNESS: A. VONHONE, YARMOUTH SOIL TEXTURAL CLASS: CLASS I DESIGN PERCOLATION RATE: <2 MIN/IN DAILY FLOW: 330 G.P.D. Elev. TP -1 Depth DESIGN FLOW: 330 G.P.D. 8.60 A0" GARBAGE GRINDER: NO (NOT DESIGNED FOR GARBAGE GRINDER) L� 0YR MY 3/20 SEPTIC TANK/PUMP CHAMBER: 330 gpd x 200% = 660 gpd 5 8 18 E LOAMY SAND USE 2 -COMP 2,OOG TANK (1,50OG/500G) 7.44 tOYR 4/1 14" B LEACHING AREA REQUIRED: (330)/0.74 = 445.94 S.F. LOAMY SAND IOYR 6/8 DISTRIBUTION BOX: (3 OUTLETS (MINIMUM)) 6.10 C1 30" PRIMARY S.A.S. PERC 0 3.93 USE 4 ROWS OF 6 - INFILTRATOR QUICK 4 STD LP (3.3" INVERT) MEDIUM SAND UNITS WITH NO STONE 2.5Y 6/6 BOTTOM AREA: (GENERAL USE APPROVAL FOR 4.73 SF/LF OF CHAMBER) (CHAMBER UNITS) 24 UNITS x 4.00 LF x 4.73 SF/LF = 454.08 SF 0.60 96" TOTAL AREA = 454.08 SF PERC RATE <2 MIN/IN. (-Cl- HORIZON) DESIGN FLOW PROVIDED: 0.74GPD/SF(454.08SF) = 336 GPD > 330 GPD req'd GROUNDWATER OBSERVED AT 86" EL. 1.44 WELL: MIW-29, ZONE A, LEVEL 8.3. AN 1.7' PROPOSED SEPTIC SYSTEM UPGRADE PLAN ADJUSTED GROUNDWATER ELEV. 3.14' 26 GAR D I N E R LANE, S0. YARMOUTH, MA Prepared for: Piselli Design and Site Plan by: SCALE DRAWN DATE MEYER &SONS, INC. N.T.S. DMM 07/16/15 PO BOX 981 EAST SANDWICH, MA 02537 SHEET N0. 508-362-2922 2 of 2