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HomeMy WebLinkAbout83-1756 - Phase 1 Grading & DrainageMOUND TO BE GENERATED BY STREET SWEEPINGS BASED UPON DEP BENEFICIAL USE DETERMINATION. ONLY CLEAN FILL TO BE USED WITHIN 100' WETLAND BUFFER EXISTING OR NOTES: PROPOSED SLOPE 1) WETLANDS LOCATED AND FLAGGED BY BRAD HALL, TOWN CONSERVATION ADMINISTRATOR, MAY I SEE SILTATION 17, 2006. FENCE DETAIL 1965 CQ 2) FLOODPLAIN DATA OBTAINED FROM MASS GIS. I PRONSGED SLOPE z 72"f _ uNT Y BAYOU CONS DEREDALL LAIN APPROXIMATE ON SHOULD BE 1 PROTECTED 5 _ r 3) BOLD TYPE DENOTES PROPOSED WORK. END ° i AREA s / _ COUPLING (TYP.) ° I EXIST. GROUND I�e TRA -E e c, s E 9 I Os FORM e e CB l RgC1t-16.85 CB (fnd) r ---I- BALES TO BUTT 12" MIN. / B (fnd) AD e _RIM=17.37 " 1 r I TOGETHER SILTATION 0. J ¢ -� E e FENCE 13 0.1 - T my ` v ANTI UE PLOW ° E -t6 7 • R M=17.73 CB NI P RKS BUILDIN / AY AREA LI CB 7` / ° SLIDING RIM -16.26 J e e e R M=17. 9 PROTECTED ° WI ELEVATION VIEW d 2 \ FUEL PUMPS ® GATE '� I '8 E�� E _ _ AREA of FLOW SM I i LINE 3 I (TYp,) I SET 1 BALE PERPENDICULAR 5H J / / / / s //� , ° EVERY 50' ON SLOPES OF / 5% OR GREATER MECOHAE / / SALT HED BUI G / CBS�(( / u RIM=17.01�'S' • 5,000 GALLON /v 23 17 ° I / SALT SHED TIGHT TANK 19 HIGH OIL/WATER BUILDINGPT. r SEPARATOR PLAN VIEW 21 SILTATION BARRIER - DETAIL 1 NOT TO SCALE STORAGE \ 2 TRAILER `SAND 500 GALLON '20 STORAGE WASTE OIL TANK AREA - SUPPORT NET POST FILTER SUPPORT NET FABRIC 19 FLOW BACKFILL SECTION B CB fnd) �H /IEN sEc- N REDP \ \\\\\\\ 11/1111111 IIIIIIII!!l111f/1�//// / POST ABS / / _cl9.50 POSTS_�m HEDCBL(Tnd) IP RAP�`b TLET 21 STAKED MH 1 16 _ FOR d EDIMENT ', BALES OF HAY NATIVE SOIL RIM=17.90 TRA IP -RAP ENERGY FLOW SECTION A 18 I Vout=14.50 % DISSIPATOR 13 TOP VIE Df W � I I 25- R STORM 1 .30 , RIM=18.10 AK ELE12.89' V.= ` RIM= 7.10 q - INVin=14.42 18.5 IIN =1 .10 $�� Vout=14.42 A ri MH RIM 17.25 1 66z9 ♦�e'q INVin, =12.79 C 7 - s`��'� INVv�In;C 13.52 A ° f t f = PLACEMENT OF SILT FENCE B A INVout 72 f6 - j~ (i.6 = INTO TOE -IN TRENCH UPLER CB x1 x17.0 RIM 16.15 z� rJ N \ INV 14.75 �� �I se. g i- _ •DRIVE THE POSTS INTO THE GROUND UNTIL THE SECTION B c000 $ _ BOTTOM OF THE INDUSTRIAL NETTING IS FF=17.5 ' .60 is 1.0 APPROXIMATELY 2• INTO THE TRENCH SECTION A O -o tl i� MH3 C RIM=18.70 B 5 IINVINV -13 72 22 IM=16. • AINTO E TRENCHY THE BOTTOM V OF . (THE IMENSAME PRITION NCIPLE FABRICV=14.1 18 y - , MAY BE EMPLOYED SIMPLY BY LAYING THE EXCESS PRO _ FABRIC ON THE GROUND AND PILING FILL AT AGO � �- THE BASE. COUPLING OF TWO ADJACENT K' 00 TON 4 2.75 SILT FENCE SYSTEMS SALT D RIM=16.0500 \ • BACKFILL THE TRENCH WITH NATIVE SOIL AND COMPACT, MAKING SURE THE FABRIC TOE FRONT VIEW ` \\ IS IN PLACE \7 �\�\ DATE: FEBRUARY 7, 2006 SOIL EVALUATOR: TIM MYLAND, EIT SILTATION BARRIER - DETAIL 2 \ 18.7 /6 2 ti x TP 1 13.00' TP 2 13,2' NOT TO SCALE S 4 ` ,1111111 ' 1 0 z r ' _ E PI LNWIPY 0" - 4" A -LOAM 0" - 4" A -LP. OAM Q 12.67' 12.87' �2\ 1111 I I I III I II II !! VAA 1111 IIIIHIl 1111111 ,ill! 111 Q 18.80 h R 1lllllllll 1 18.80 9' x x� i 35J F �...�„� POSED SILTATION BARRIER - '// !j W-7 F-3 AL AL " " =AL 5 W-4 �, ✓ .�, /: 5*WFATED WLANDS AL 12 A. AL I / \\\\\\\\\111111 !!111111111111511\1111\ INSTALL SILTATI BARRIER TO PROPERTY ` LINE �� 111j11111111f111111 INSTALL SILTATION 4 - 12 B - LOAMY SAND 4 - 12 B - LOAMY SAND MW LINE BARRIER TO PROPERTY 12.00' Np,80�",i ' � N 12" - 36" C -MEDIUM SAND 12" - 63" C -MEDIUM SAND 12.2' /N GRAPHIC SCALE PERC 0 36"--10.2' 50 0 25 50 100 200 AREA OF BUFFER ZONE DISTURBANCE !T!,70 9111 _ ±25,000 SF 1 111773 RIM PERC 0 36" 10.00' .95' ( W FEET ) GW NOT OBSERVED WEEPING 0 63" 1 inch = 50 it PERC RATE _ <2 MIN/INCH PERC RATE = <2 MIN/INCH CAPE COD COMMISSION ADJUSTMENT FACTOR FOR 5/18/06 RESOURCE AREAS AND SEDIMENT CONTROLS TDM TDM FEBRUARY 2006, MIW-29, ZONE A = 1.3' 2/16/06 SITE PLAN REVIEW EDITS TDM RPd HIGH GW = 7.95+1.3 HIGH GW = 9.25 Date DESCRIPTION Drawn Checked R E V I S 1 0 N S PHASE 1 GRADING AND DRAINAGE PLAN HIGHWAY AND PARK DIVISIONS SITE 4" COMPOST AT AND HYDROSEED3. Mqk S�OpE < BUCK ISLAND ROAD IN N t WEST YARMOUTH SCALE: 1" = 50' DATE: JANUARY 9, 2006 TOWN OF YARMOUTH SECTION OF PROPOSED BERM ENGINEERING DIVISION 1146 ROUTE 28 NOT TO SCALE SOUTH YARMOUTH, MA 02664 DRA ,CHE CKED ED BY D Pd 05020-4B SHEET 2 OF 2