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HomeMy WebLinkAbout83-1756 - Phase 1 Grading & Drainage002N MOUND 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 SLOP 1) WETLANDS LOCATED AND FLAGGED BY BRAD HALL, TOWN CONSERVATION ADMINISTRATOR, MAY ❑ I I SEE SILTATION 17, 2006. U 1 EXISTING OR 7231 FENCE DETAIL 2) FLOODPLAIN DATA OBTAINED FROM MASS GIS. 1968 CpUNTy ALL FLOODPLAIN INFORMATION SHOULD BE 11 PROPOSED SLOPE PROTECTED 5 CONSIDERED APPROXIMATE. p AREA 0 _ AYpUT 1 n 3) BOLD TYPE DENOTES PROPOSED WORK. END 1 s COUPLING ---- E- E 3 P (TYP.) o i EXIST. GROUND / / E v s A E to cs-----�- BALES TO BUTT 12' MIN. / 3 e FORM E E GB j y=16.as c6 (fnd) I TOGETHER / AD r RIM=17-37 1f �� SILTNON o OLv B (fnd)--� E BCEI NI CE 16.7,41 ANTI UE PLOW o 00 / e R�'1= • R M=17.73 41 AY AREA / e CB PROTECTED o of P RKS BUILDIN / CB c RIM=17. 9 W SOW ELEVATION VIEW a RIM=16.26 e • SLIDING 7) l8 1� ET -� AREA Fo FUEL PUMPS ® GATE �e - - / sM / LINE 3 I o 1 O Kr / / e // // / / ta� (POSTTYP•) 0 I SET 1 BALE PERPENDICULAR / / EVERY 50' ON SLOPES OF SMH / / / 3 s / / / 5% OR GREATER ,� /POLICE / / SALT HED )•8 O O /MECHA CB / ' BUI NG v/ RIM -17.01 5,000 GALLON U / 17 1 23 TIGHT TANK �/ / 1 I SALT SHED19 HIGHWAY DEPT. PLAN VIEW OIL/WATER BUILDING m � 21 SEPARATOR � / SILTATION BARRIER - DETAIL 1 zr NOT TO SCALE STORAG 'O 500 GALLON TRAILER SAND WASTE OIL TANK SUPPORT NET 0 STORAGE POST i AREA FILTER 2 \ \ s FABRIC SUPPORT NET FLOW BACKFILL SECTION B I 30" ORE REDFILTER CB fnd) \� /� EN SECTI N. ' \1\\11 X111111111 /111177rr/rr POST FABRIC _ H / / IN =12.16 i POCZTC-.en +3M -X19.50 = HELD IP RAP' TLET CB (fnd) i, STAKED 21 16 = FOR IMENT BALES OF HAY -NATIVE SOIL MH 1 A = TRA IP -RAP ENERGY FLOW SECTION A RIM=17.90 18 ^ IP-RAP 13 TOP VIEW Ix I Vout=14.50 25- R STORM K ELEV.=12.89' , RIM=18.10 .30 RIM= 7.10 � •• INVin=14.42 18.5 ,NV - 1 .10 $ Vout=14.42 ` 185 MH 1 � _ y _ •-.._'_•..---�•• RIM 17.25 C 1 tt� 716' B INVin, =12.79= B A • ♦♦4� INVin, =13.52 A • - ,= :� T -t - PLACEMENT OF SILT FENCE S.♦`sg. INVin, 13.5B •� X - - �^�� _ INTO TOE -IN TRENCH Ol1PLER s ♦` INV out 12. X17.0 �.oIg o30CB 3 x �. - RIM�416.75 ♦ ♦ 2� y�� 4 _ SECTION B T DRIVE THE POSTS INTO THE GROUND UNTIL THE ��' IN 14.75 ♦ �♦ '- 4- =- , y BOTTOM OF THE INDUSTRIAL NETTING IS ♦ APPROXIMATELY 2' INTO THE TRENCH. ♦ < '1.Oyp SECTION A FF=17.5rf�� 60 td RIM= 8.10 _ ^ • LAY THE BOTTOM 6' OF SEDIMENTATION CONTROL INVI -13.72 IM - 16. FABRIC INTO THE TRENCH. (THE SAME PRINCIPLE INV =13.22 / V=14.1 MAY BE EMPLOYED SIMPLY BY LAYING THE EXCESS .- FABRIC ON THE GROUND AND PILING FILL AT g '``F THE BASE.) COUPLING OF TWO ADJACENT OK' PRO 2.75 SILT FENCE SYSTEMS 7 • BACKFILL THE TRENCH WITH NATIVE SOIL AND 00 TO RIM=16.50 � � , FRONT VIEW SALT Dy�14 : \ COMPACT, MAKING SURE THE FABRIC TOE IS IN PLACE 1 0 DATE: FEBRUARY 7, 2006 SILTATION BARRIER - DETAIL 2 SOIL EVALUATOR: TIM MYLAND, EIT �b 18'7 tH of q4 x TP � 1 13.00' � � 2 13.2' NOT TO SCALE ✓/��) 2 R -R 0' - 4" A - LOAM 0' - 4' A - LOAM RICHARD f 1 E E EN P 11 SPI Y �7? 1111 i, I I I III I !1 II r\107 � \� 111 .IIIIIII�I 111111' II1 �,. 'r 11111111' 18.80 J. �77 }335.0 4 f , / i i°F-9 AL \1`111rrrrrrr7rrrrr111111�111` INSTALL SILTATI BARRIER TO PROPERTY UNE 18.80 [J / NSTALL SILTATION 4' - 12" B -LOAMY SAND 2.6T 4' - 12" B -LOAMY SAND 12.87 N0.806S5 �•,j. i I I 1 � y� ' BARRIER TO PROPERTY y .2 UNE A-IEn" �a 2.00' 12.2' � NAL ENv� / 12" - 36' C - MEDIUM SAND 12"- 63" C - MEDIUM SAND GRAPHIC SCALE ' PERC 036" - -10.2' so o zs so foo zao AREA OF BUFFER ZONE ' DISTURBANCE " }' �" RSP 105ED SILTATION ; _ ±25,000 SF �K1"- • �- \ BARRIER - / WEEPING ®63' 1 inch - 5 PERC ®36' 10.00' .95' (IN FEET ) GW NOT OBSERVED 0 it. 09- PERC RATE _ <2 MIN/INCH PERC RATE = <2 MIN/INCH n �(/_3 CAPE COD COMMISSION 1pF-7 tel " ALADJUSTMENT FACTOR FOR 5/18/06 RESOURCE AREAS AND SEDIMENT CONTROLS TDM TDM "4- FEBRUARY 2006, AL AL \opw- AL MIW-29, ZONE A = 1.3' 2/16/06 SITE PLAN REVIEW EDITS TDM RPd 5' ' VF -4 HIGH GW = 7.95+1.3 HIGH GW = 9.25 Date DESCRIPTION Drawn Checked AL A PHASE 1 GRADING AND DRAINAGE PLAN HIGHWAY AND PARK DIVISIONS SITE 4" COMPOST AT AND HYDROSEED J.- Mqk stop ( BUCK ISLAND ROAD N WEST YARMOUTH N 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 DRAWN BY: TDM 05020-4B CHECKED BY: RPd SHEET 2 OF 2