The URL can be used to link to this page

Home My WebLink About20061651 Ver 1_Site Plan_20070123.sre r. ...`~#`J4Rt%~tn>.: •M~F~Ws... ~ fem... 1..ae. .1. r - L+ ~L PROJECTS SMALL SE CONSTRUCTED IN ACCORDANCE WITH THE TOWN OF CARP DESIGN GUIDELINES MANUAL. A COPY OF THIS DOCU MC~H THIS DOCUMENT IS AVAILABLE ON THE TOWN'S WEB SITE. D N m ~ EMER EN Y P W Y ~ i ~ ~ r ~ ~ r ~ _I ~ - G C SILL ~ , - - ~ ! Y - l ~ 1 / / ..g I 0 ELEV. - 443.75 , / - r r ~ , ~ 7 _ - r r (SEE CROSSiSEC IONy 0 0 / / i' i' / ` 1 If ~ 19 - / , i D( / i ~ r r z / / / ~ ~ / / ! y ~ ~i / / ~ 443.75 r ~T - a / / / , / ~ 1 - / / / / / ~ ~ / ti 1 r'~ I - - 4' i , / ~ ~ / / i 0 ' , ~ i i ~ / 1 I i i / / r 4 4 8 ~ / ~ _ / - - c / / / ~ / ~ r - - r o ' ~ ' ~ / / --a' r / ~ r 1 _ / 1 ° ~ ~ ~ ~ ~ r i' ' ' / ~ 1 ~a i ~ ~ ~ / ~ ~ / y ~ I r ~ OREBAY ~ I / / I - " U ~ m / ~ . / ~ 439.50 ' / ~ / , ~ ~ ~ ~ / . / I Z ~N * i ~ ~ / / / / I i i , / / a ' I I " ~o i / D ' /l / / I I N / i ~ I ~ i ~V~ a ~ ~ m i ~ / ~ I ~ I t ,f ~ / ~ I I ~ ` CONSTRUCTED WETLAND NOTES: W W ~ ~ ~ ~ ~ i' ~ / ' ~ l I ' I r - - ~ i ~ / ~i ~ l ( ~ I r 1. THE RCP OUTLET P[PE SHALL BE CLASS [II RCP MEETING THE REOUIREMENT,S OF ASTM C76. ~ W z , ~ f y ~ ~ / / ~ ~ 1 ji ~ , / ~ ~ , THE PIPE JOINTS SHALL BE CONFINED 0-RING RUBBER GASKET JOINTS MEETING THE Q REQUIREMENTS OF ASTM C-443 ANO C-361. W ~ ~ Z c ~ - ~ , ~ ~ I I / ? 2. ALL POURED CONCRETE SHALL BE MINIMUM 3,000 PSl t28 DAY) UNLESS OTHERWISE NOTED. UU w F-~o~ ~ - , , / ~ ~ I I o ~ ~ ~ a r MICRO PO L t ) 3. THE GEOTEXTILE FABRIC BASE FOR THE OUTLET PIPE DISSIPATOR PAD SHALL BE PLACED i ~ ~ ~ ~ ~ o ~ ~ \ / UNDER THE OUTLET END OF THE FES ANO EXTEND TO THE EDGE OF THE RIP RAP PAD. THERE 7., ,p d N z t ~ 37 I ~ ~ ~ I i SHall NOT BE A GAP BETWEEN THE ENO DF THE FES AND GEOTEXTILE FABRIC BASE. THE ~ W ~ W / ti ~ ~ ~ r FABRIC SHALL BE PLACED UNDER THE ENO OF THE FES TO PREVENT SCOURING AT THE ENO y~ ~ ~ ~ + . ~ ~ \ I , ~ ~ t>_ 3 - / / r I ~ I OF THE FES. 4. NO TREES OF ANY TYPE MAY BE LOCATED ON THE DETENTION BASIN DAM, ~ ~ y G o` ~ L . ~ ~ ~ ~ / r I i' v + ~ r i I I r ~ 3 / / I I \ , ~ i I 5. ADD A 2"-3" LAYER OF TOPSOIL TO THE ENTIRE EMBANKMENT PRIOR TO SEEDING ANO w ' ~ l i ~ I I MULCHING TO SiAB[L[2E EMBANKMENT. REFER TO THE SEEDING SCHEDULE. ~ ~ C ~ d~ t / I I I ~ I ,T ~ r o ~ I I t / ~ I I ~ 6. THE CONCRETE ANTI-SEEP COLLARS SHALL BE RECTANGULAR CONCRETE COLLARS X ~ I ~ ~ / i / r CONSTRUCTED TO THE DIMENSIONS INDICATED ON THE DRAWINGS. THE COLLARS SHALL 8E r ' ~ V Iw- t ' - I j A MINIMUM OF 6" THICK W[TH A 28 DAY STRENGTH OF 3,000 P$I IMIN.). THE COLLARS SHALL Z ~ 3 BE CONNECTED TO THE RCP OUTLET PIPE WITH A WATER TIGHT JDINT AND SHAII BE PLACED 4 C ~ ~ AI 4 d' i ° - ~ sy I 43 ~ / A M1NiMUM OF 2 FEET FROM PIPE JOINTS. THE COLLAR SHALL BE LOCATED NEAR THE CENTER ,i ~ ~ ~ uj ~ - , -'T I 1 ~ I I I Q z o ~ / i % FOREBAY ~ _ L. I W OF THE DAM WHERE ONE COLLAR 1S REQUIRED AND SHALL BE LOCATED/SPACED AS SHOWN. (f~ ~ ~ 0 ~ ~i ° ~ i 439, 5 I I ON THE DRAWINGS WHERE MORE THAN ONE COLLAR [S REQUIRED.. v+ ~ ~ W ~ ~ m ° v i I I I _ v. ~ r I ~ r dp mV.. y 'J I I o 1 I 1 I / ~ 1/~ ~ I I r I COMPACTION NOTES: y /r i , I I ~ I I ! r n 1 1 V ` / I ! 1. EMBANKMENT FILL SHALL BE PLACED IN 8 [NCH LODSE LIFTS m o ' t i i i I I \ I , I AND COMPACTED TD AT LEAST 95?S OF THE STANDARD PROCTOR ~ , L ~ I 1 I I I MAXIMUM ORY DENSITY. TOP = 445.7 ' I 4 4 5 ` m INV. = 436. I I ~ , ' ~ I ~ 2. FILL AND BACKFILL PLACED AGAINST ALL STRUCTURES, CULVERTS, CONDUITS, DRAINS, ETC. SHALL BE PLACED IN 4 TO 6 INCH LIFTS o I r -----r--- I -r- 4Q I i r ~ i AND COMPACTED U$ING HAND-HELD OF MANUALLY OPERATED EQUIPMENT AND COMPACTED TO 95?'. OF THE STANDARD PROCTOR MAXIMUM DRY DENSITY. Q I 2 ~ ~ 31 t ~ nn ~ - ti - - 3. THE BASIN INVERT ANO EMBANKMENT SHALL BE SEEDED 1N ACCORDANCE WITH ~t m I I ' I I THE EROSION CONTROL PLAN AND THE PLANTING PLAN BELOW W[TH[N 15 GAYS I I ~ I ~ I a + I OF COMPLETION OF GRADING WORK ON THE BASIN. ~ Z 0 ~ I \ 3 36 PHASE OF THE PROJECT. THE BASIN SHALL BE CLEANED OUT AND VEGETATION g p H c ~ I ~ `v ~ ~ I E 4. THE WETLAND WiLI BE USED FOR EROSION CONTROL DURING THE CONSTRUCTION C COVER SHALL BE ESTABLISHED PRIOR TO USE AS A CONSTRUCTED WETLAND. ~ c i I ~ I I~ 5. REFER TO SEEDING SCHEDULE ON SHEET C5.3 FOR STABILIZATION ABOVE EL 340.00. ~ ~ ~ \ I 6. SEDIMENT CLEANED OUT FROM THE CONSTRUCTED WETLAND SHALL BE DISPOSED p W o ~ vv ' ~ vv I 'v ~ I v 15 'v e v I OF OFFSITE AT A LOCATION W[TH ALL REQUIRED PERMITS. C W . O ~ 1 \ \ \ I \ i ~ I \ I ~ r r r ~ r r r J r C \ r i r r 6 i \ t I i C ~'1 o \ I I \ ~t 1~ \ \ ~ 1 \ I I \ ~ ~ ~a ` o \ .fir rarr ~a \ I \ ~o 445 - z I~, r• ` \ WETLAND PLANTING LEGEND 0 V V I iA m C "^.,-1~ 1 ~ vv v I~ I g O NUPHAR LUTEUM (SPATTER DOCKi ~ 3 U \ ~V A A A A ~ A \ \ 8 FOOT SPACING ~ 0 4 Q_ \ \ \ r \ \ I r ~ \ m ~ - \ ~ I ~ AV A A AV I r A\ 3 ST EE ~ GNT \ ~ ~ W ~ ~c I- W v _ 0-9" MARSH AREAS Q - PLANT PELTANDRA VIRGINIA (ARROW _ _ ARUM) W 24" SPACING (2,874 SF) ~ ~ Q d n ~ o INV. IN = (t5" RCPI = 435.85' U °yZE w ~ 7.25 LF 15" RCP TOP = 443.30' ~ 9-18" MARSH AREAS Z ~ ° ` INV. = 435.90' m t PLANT ACORUS CALAMUS (SWEET ~ ~ FLAG) a 36" SPACING (3,179 SF) ~ ~ W v m Z ~ J w c ~ 6 CIE ALL AREAS ABOVE EL. 440.00 SHALL BE PLANTED m a " TRASH RACK ° ~ 0 N PER SEEDING SCHEDULE ON SHT C5.2 ~ 10~ PLASTIC SOLUTIONS. INC. ° L PYO 48 (OR APPROVED EgUAII cT ~ c TOP OF WETLAND _a+~ ELEV. 444.00 "WET" BAS[N ~~,T m ~ m 1-YR. MAX WSE = 441.87 } 10-YR. MAX. WSE = 442.49 TOP OF WETLAND = 444.00 W ~ EMERGENCY SPILLWAY 100-YR. MAX WSE = 443.00 t1.0+ FREEBOARD) - _ ELEV. = 443.75 2 FAIRCLOTH SKIMMER ~ OR EOUALd ATTACHED r tSEE CROSS SECTION) VA V T M AN WHE DURING CONSTRUCTION. _ f; EMERGENCY SPILLWAY = 443.75 MOUNT 0 ON SIDE OF GAT VA VE P N DURING ~ ~ MANHOLE. E L 0 E BERM CONSTRUCTION. tNOT TO SCALE) ' 5" 441.50 v C 4 p 5'- o" oIa ~~8~~ ~rt• G ~ EXTENDED BASE t MANHOLE SECTION o~ 2.0 RIA. OPENING L o•. o INV = 440.00 = o ~ MA; MAX. 3:1 SLOPE T,- O ~ Z o IN• INTERIOR FACE i ~ ~ NW L 1 , ` , BOTTOM OF WETLAND = 437.00 46-SP-043 W 0 n'. NTS APPROVED ~ m ~ 4 3 36" RCP i 6" GATE VALVE ~ a I INV. = 437.00 BI _ I 6• ' I ° ~ 80UYANCY CALgJLAT10NS FOR R18ERfBARREL BERM TOWN OF CARY ,Q ~ ~ CROSS weetChetMm rownhomee CROSS SECTION = ~ 3 ~ Approved by Date U ~ ~n 'n ~n 'n n n N \ < , 13 L{.A'ST~ . RiserinskkDiemeler 5.0 Planninr~ Date * EO CRE f E ~ ~ , ° ~ 7 " Riser Waq Thickness sF : 5 10' Engineering Date ' ° ° ' ° ' n • ' a ' a Pond i90t(Onl (3bVatlOn 437,00 N ~ °1 a ~ a . ~ a . ~ a . ~ e . ~ a , ~ a , ~ a . Riser Crest EI8YeU0n ft : 441.50 ~ ~ ~ ~ ~ ~ Dens of Ricer Mae 150.00 e • n • • a n n n • • o n PI Inside Diemeler n : ~ 38 MAX. 3:1 SLOPE TOP OF WETLAND = 444.00' e~,,'~A p~~ ~ 0 Z m ~~!.....R~logti, U z 0 ~~~Q~A~aF ES S10N9.b`Y t R R R R wall Thidalees m, 4 of ft . 15.00 " Dens H2O 82,40 = N ~ m 6" DEEP WASHED STONE VdumeH2ODis R)ser 120,28 - - - _ k W ht H2O Dis Riser Ib : 7504,48 _-III -III--III ; 2 ~ S H o ` ( 1 a i SL71~ ~ F ~ Vdume H2O Pi 158,39 - CONSTRUCTED iNETLAND - - - - I(-III-- I I i-- III- I I 3D525 V _ 'Y ~ '~`Q'z• W ~ o W ht H2O Dls Pi 9883.45 - c Totat U Force 17387.93 - •~i~jp9'~fNCI NE~e'°C.~F r~, IL •,~~i " ~S",cR~~7•~,• Z OUTLET STRUCTURE o N NTS I~~~bBUp1p~~,i v WeiaM o1 R~er 4788.02 Weight of Pips af: 7853.68 EMERGENCY SP1 EMERGENCY SPILLWAY SECTION \-GRASS LINED EMERGENCY SPILLWAY = 443.75 W Pi Downward Force D : 14840,00 LINE WITH NORTH AMERICAN GREEN P300 SCALE IN FEET CONSTRUCT BallntConcn4e: CROSS ONSTRUCTED WETLAND o Minimum Factor of Safe. 1.1 x RWhW ballast #kkn ss in: 18.43 CROSS SECTION 0 10 20 40 60 80 M J z Provided Sweat Thmess in: 30 o ~ a Total Downward Force Ib : 20003.11 2 a o Provided Factor of SaW 1.15 (n o m _M U. LLJ y lu >o 0 wZ o WII I I I I I I I i H 0 z