The URL can be used to link to this page

Home My WebLink About20090118 Ver 4_More Info Received_20090303 TO: FROM: DATE: RE: ENVIRONMENTAL SERVICES, INC. 524 New Hope Road Raleigh, NC 27610 919-212-1760/ Facsimile 919-212-1707 www.environmentalservicesinc.com MEMORANDUM Cyndi Karoly Jeff Harbour March 3, 2009 Central Carolina Community College Phase I (DWQ Project # 09-0118) .^- ../~:~:...lA_ /.-/:-..... ....'., V~f .' <:<.', V \;~:~~ v tlr"~\ \, ..~. .J#,~ .,-~<.<.<~"} \.\"~/" '-'i .- > ""/~~'~, v \...,;' \.>"~\ \'\,-" ,);~~) "'-.::/ ;,:. /~ .t:<~ <~~ .<,...;1.0. .~ .';'.)o~\ 11 'r 1',2.':> .~- e'':; ....l...fi...~~ ,j j /L]P;1' \:;;., -". (f;, -, 0 - 'f:i':J/. ~ \;p')- ~ %" c,;~" Environmental Services, Inc. (ESI) is responding to your letter dated February 18, 2009 regarding the permit application for the Central Carolina Community College Phase I in Chatham County, North Carolina. The additional information requested in your letter is attached to this memo. Please call me if you have any questions, Permit No. o,\.O\\~ (to be provided by DWQ; :.,~'~ /!;',':" < ~':J (~v' ,~:-' /i Ii;! 'if4J? ...... , ') r i.~ WArt:,., :trL"~~~'::'ll. .... ~} !)')ct ff;.~... Oc:;. . "-'<- /; '1.''\ '1'/~{t',_, , -'.!!) t "'(", ..ki;" > STORMWATER MANAGEMENT PERMIT APPLICATION FORM .. VfC:0:;~}i~:;:;til'IC'~ ~ 401 CERTIFICATION APPLICATION FORM WET DETENTION BASIN SUPPLEMENT ..VA NCDENR This form must be filled out, printed and submitted. The Required Items Checklist (Part II/) must be printed, filled out and submitted along with all of the required information. II. ~R()JE(lIINfORMATJON~l,ll,' Project name Contact person Phone number Date Drainage area number d :;[:;', ')'XF'.i; ',wi '1:1 '~~~ : <"'1ji:'!'i:;';, ~' "~~~-;',:~,~:~It,t: i\jili~'Y: t'wl,I':.; ijl!E:::~D[I~:~, ;:~lt\,\'~Jl~;: ;;1( :}~:;"" '-,..'.nc.S Central Carolina Community College Tim Summerville 919-301-0989 12/19/2008 1 III.DESIGN]NFORMATJONil,l18 Site Characteristics Drainage area Impervious area, post-development % impervious Design rainfall depth Storage Volume: Non-SA Waters Minimum volume required Volume provided ;:;;~;;L} F'~,'It;+ ,ViY ~"; Storage Volume: SA Waters 1.5" runoff volume Pre-development 1-yr, 24-hr runoff Post-development 1-yr, 24-hr runoff Minimum volume required Volume provided Peak Flow Calculations Is the prelpost control of the 1yr 24hr storm peak flow required? 1-yr, 24-hr rainfall depth Rational C, pre-development Rational C, post-development Rainfall intensity: 1-yr, 24-hr storm Pre-development 1-yr, 24-hr peak flow Post-development 1-yr, 24-hr peak flow PrelPost 1-yr, 24-hr peak flow control Elevations Temporary pool elevation Permanent pool elevation SHWT elevation (approx, at the perm. pool elevation) Top of 10ft vegetated shelf elevation Bottom of 10ft vegetated shelf elevation Sediment c1eanout, top elevation (bottom of pond) Sed iment cleanout, bottom elevation Sediment storage provided Is there additional volume stored above the state-required temp. pool? Elevation of the top of the additional volume Fonn SW401-Wel Delenlion Basin-Rev.S .j:_,~",~-o~_,rt'-,'~J~>: ^-;~U,- ~'~Jll~;f;i -;~Ij 'I :r-:I~~-jtt;~lf~~; '<if jj((.,", "'2 ;+,;: 314,939 ft2 188,179 ft2 59.75 % 1.0 in 15,426 ft3 OK 62,384 ft3 OK, volume provided is equal to or in excess of volume required. ft3 ft3 ft3 o ft3 ft3 n (Y orN) in (unitless) (unitless) inlhr 3.37 ft3/sec 0.11 ft3/sec -3.26 ft%ec 532,60 fmsl 531.50 fmsl 518.00 fmsl 532.00 fmsl 531.00 fmsl Data not needed for calculation option #1, but OK if provided. 527.00 fmsl 526.00 fmsl Data not needed for calculation option #1, but OK if provided. 1.00 ft Y (Y or N) 532.6 fmsl OK Parts I. & II. Design Summary, Page 1 of 2 Permit No. (to be provided by DWQ) 't'j, ,"' '>'0'''< %< /if....'..i{~ ,"" III...OESIGNJNJ:'ORMA llON Surface Areas Area, temporary pool Area REQUIRED, permanent pool SAJDA ratio Area PROVIDED, permanent pool, Aperm-pooI Area, bottom of 10ft vegetated shelf, .\oCshelf Area, sediment c1eanout, top elevation (bottom of pond), .\ot-Pood Volumes Volume, temporary pool Volume, permanent pool, Vperm-PooI Volume, forebay (sum of forebays if more than one forebay) Forebay % of permanent pool volume 3it ;Ji SAJDA Table Data Design TSS removal Coastal SAJDA Table Used? Mountain/Piedmont SAJDA Table Used? SAJDA ratio Average depth (used in SAJDA table): Calculation option 1 used? (See Figure 10-2b) Volume, permanent pool, Vperm-pool Area provided, permanent pool, Aperm-pool Average depth calculated Average depth used in SAJDA, dav, (Round to nearest 0.5ft) Calculation option 2 used? (See Figure 10-2b) Area provided, permanent pool, Aperm-pooI Area, bottom of 10ft vegetated shelf, .\oCshelf Area, sediment clean out, top elevation (bottom of pond), .\ot-Pood "Depth" (distance b/w bottom of 10ft shelf and top of sediment) Average depth calculated Average depth used in SAJDA, dav. (Round to nearest 0.5ft) Drawdown Calculations Drawdown through orifice? Diameter of orifice (if circular) Area of orifice (if-non-circular) Coefficient of discharge (Co) Driving head (Ho) Drawdown through weir? Weir type Coefficient of discharge (Cw) Length of weir (L) Driving head (H) Pre-development 1-yr, 24-hr peak flow Post-development 1-yr, 24-hr peak flow Storage volume discharge rate (through discharge orifice or weir) Storage volume drawdown time Additional Information Vegetated side slopes Vegetated shelf slope Vegetated shelf width Length of flowpath to width ratio Length to width ratio Trash rack for overflow & orifice? Freeboard provided Vegetated filter provided? Recorded drainage easement provided? Capures all runoff at ultimate build-out? D~~~q!~t~e%~WJIf'ElY19~_~~9.'51ergencies it c~> 10' fy':11;'" ",'{Pji 1"!' -""1'\.; -'Sf S ,,'/H 16,878 ft2 9,763 ft2 3.10 (unitless) 12,735 ft2 OK 6,836 ft2 368 ft2 62,384 ft3 OK 39,198 ft3 7,559 ft3 19.3% % OK 90 % n (Y or N) y (Y or N) 3.10 (unitless) y (Y or N) 39,198 ft3 OK 12,735 ft2 OK 3.08 ft OK 3.0 ft OK n (Y or N) ft2 ft2 ft2 ft ft ft y (Y orN) 2.00 in in2 4.80 (unitless) 1.20 ft n (Y or N) (unitless) (unitless) ft It 3.37 ft3/sec OK 0.11 ft%ec Insufficient post-development peak flow. 0.11 1t3/sec 2.88 days OK, draws down in 2-5 days. Drawdown time varying from expected value by more than a half day. Check calculation. 3:1 OK 10:1 OK 10.0 It OK 4:1 OK 5.7 :1 OK y (Y orN) OK 1.6 ft OK n (Y or N) OK y (Y orN) OK y (Y or N) OK To be pumped out Pir:tl I · II 011.;9" "'I~~o'Y Pi911 ~ gf ~ CCCC. PROPOSED D'SCHARGE PO'NT A 'MPERVlOUS AREAS PROPOSED WEIGHTED CURVE NUMBER CALCULATION LAND USE AREA (A) CN (Icres) 0.75 98.00 BUILDING PAVEMENT 3.57 98.00 GRASS 2.91 85.00 (HSG B & C, WOODS, GRASS) 7.23 TOTAL AREA Weighted CN-SUM (. - CALCULATE THE WEIGHTED WEIGHTED CURVE NUMBER: 0.75 x 98) + ( 3.57 x 98 ) + ( 2.91 x 65 ) 7.23 Weighted CN = 85 la Ii: 0.353 Impervious Fraction = 0.598 i~ *~ NEW CLASSROOM BUILDING FOR L CAROLINA COMMUNITY COLLEGE PHASE 1 ~ a: I- w ww U'J >w I O::E: C OU'J ~ ....... CENTRAL CAROLINA BUSINESS CAMPUS SILER CITY, NORTH CAROLINA DCC# 1548 FILE# 060682901 ENGINEER: ANC ENGINEERING, INC 117 CENTREWEST COURT CARY, NORTH CAROUNA 27513 PHONE - (919) 677-1996 FAX - (919) 677-1998 LANDSCAPE ARCHiTECT: MCNEELY ASSOCIATES 5501 MCNEELY DRWE RALEIGH, NC 27612 PHONE - (919) 782-9677 FAX - (919) 782-5489 w ~ <[ W ~ ...I ..J ...I (I) ~ o => <[ O~,,~ ~UI'I- ()\~ (I)(Y)O ~-Z(l)~Z I- ~O" ~_o>- ~ -' (I) C\J ~ o ~ =>~5 La.. ~OO Z~<[~U <[OZ ~ ..J :i I- <[ Q.. OO<[I ..J ~ ..J I- <[ <C <[ a.. <[ =>ZU I I- ZU Q.. _ ..J..... ~...1 ~lQa aO~~~ U~tl8~ o I~~ \0_ ~g ~ I- l: z <[ W ~ o US 64 SHEET INDEX CS-1 COVER SHEET C-1 SITE PLAN C-1 A TOPOGRAPHIC SURVEY C-2 GRADING AND DRAINAGE PLAN C-3 UTlUTY PLAN C-4 SEWER PLAN AND PROFILE C-5 WATER MAIN PLAN AND PROA C-6 STORM SEWER PROALES C-7 BMP PLAN C-8 SOIL EROSION CONTROL PLAN C-9 SOIL EROSION CONTROL DETAILS C-10 MISCELANIOUS DETAILS C-11 STORM DRAINAGE DETAILS C-12 STORM DRAINAGE DETAILS C-13 WATER MAIN DETAILS C-14 SANITARY SEWER DETAILS L-1 PLANTING PLAN L-2 PLANTING DETAILS .f.,RIOR TO CE.RTIFICATE OF OCCUPANCY: 1. SUBMIT AS BUILT SURVEY OF WATER, SEWER AND STORM DRAINAGE. 2. SUBMIT WRITIEN 1 YEAR WARRANlY FROM PAVING CONTRACTOR. 3. SUBMIT WRITIEN 18 MONTH WARRANTY FROM WATER AND SEWER CONTRACTOR. 4. SUBMIT ALL RECORDED EASEMENTS FOR ANY TOWN MAINTAINED unUTIES ON PRWATE PROPERTY. 5. PAVE ALL STREETS. 6. INSTALL NCDOT REQUIRED TRAffiC PATIERN ALTERATIONS. 7. SUBMIT DOCUMENTATION IDENTIFYING THE ENTITY RESPONSIBLE FOR CONTROL AND MAINTENANCE' OVER ROAD RIGHT-OF-WAY. 8. GRADE AND SEED ALL ROADSIDE SHOULDERS AND DRAINAGE SWALES. 9. INSTALL STREET SIGNS. -D )J o ~ \A (j) oJ 'L () .,-- o .q- (f) ::) C /f A1. PUS Of? (!) .. Z2!i ii2 ~I a 11.I i~ ~ ~~!i 011= ZII' III ~z P; I .... ..- .I~ ..8..- A'~ III f . ~SITE\ LOGA TION MAP 1" = 500' SPECIAL NOTES: 1. ALL PERMIT SUBMITTALS SHALL BE SUBMITIED TO THE TOWN OF SILER CITY FOR REVIEW. 2. OWNER IS RESPONSIBLE FOR FORWARDING PERMITS TO RESPECTIVE AGENCIES. 3. ALL FUTURE WATER EXTENSION UNES AND PLUGS SHALL NOT BE LOCATED IN PAVEMENT FOR THIS PHASE. 4. GRAVITY SEWER UNES SHALL BE AIR PRESSURE TESTED. 5. ALL SEWER MANHOLES SHALL BE VACUUM TESTED. 6. RECORDABLE EASEMENTS SHALL BE PROVIDED FOR ALL UTIUTIES TO BE OWNED AND MAINTAINED BY THE TOWN OF SILER CITY. 7. WATERMAlN IN PUBUC EASEMENT WILL BE EXTENDED THROUGH FUTURE PHASES OF THE CAMPUS AND WILL ULTlMATLY STUB TO THE NORTHWEST PROPERTY UNE AT THE WASTE TREATMENT PLANT SITE. <( c.. _00 +-' en c 0 C'II t- CUo"'" ....... v (t) 0- ..... :J!C'IIVC'II w"".....moo VI :::::l c: 0 0 I- c~o')lo? _ 0 G) "- 1.0 1.0 IOQ)tUVV ,,-01.01.0 ..... -- o ~CI)€~~ ([ 20mm jgoz:-::-: <( .0 -C>X OCl)2.2tf en !:r.8g rn:Eg~ OJ eVD: 0<( I "'"'''''''' ", CAb II, ...." ~'I(t. """"0.1 "" " d' ......... "/4r' .. "'..... .' c: 'SS" , ~ ~ .~." '0-. ~ ~ ~ .- ~.....'" ." ~ ~..g: r~ _. ~ g ! Cf. SEAL 'f\ ; ; \ 21543 i i .. . . - ;. ~ ....~...- ~<l:-...: !::; ~ ~-~ ~.~~IN~~..l!..~ ~ ~~.I' ......... ~<-,....... " ,):'0.- \V.v.... ",'T A R~' ,," """" ~"""" ~~@~uw~~ MAR 3 2009 ttENR .WATERQUAl.\TY \'NETI.ANOSAND STORMWA'tERBRANtH REV # DATE 3 12-1-08 2 9-26-08 1 6-18-08 DATE 2-22-2008 CS-1 ~ ~~ "," "," -'" ",,,,- ,," ,," ,," ,,'" ,," iJ;9",."-''''' ",-" , , , , , , II " , /:j , b , ~,' y-, j\ ....""m -- -- ....".,.--' fjj -- -- -- -- -- ,- , " " , ," " ,," ,," "," ",'" ",,,,'" ",'" '" ",'" ",,,,'" ",---' - '" ~;.... ~----------------------,'" ",'" ,,- -- -- ...... ...... ...... ...... --- ."...- <------ ",'" " " ) I I I I I I I I I , , J I I I I \ ------<-- \.............._........../~ \ __, \ ~/ r",,-, . ~ 1 '" \_------ I '\ I\.\ I \ I \ l \ \ : \ RECYCUNG AREA - MR CREDI : \ PR~QUISlTE (175 SF MIN. , COMPARTMENTAUZED RECYCUN ! BINS\BY O"'ER POST OCCUPANCY. J \ \ OPAQUE SCREEN P....ER. l \ VINYL \ . ~ORAGE " COATED CHAI", UNK~ AR~ " FENCE. 8' H~GHT .... G-2 BID " AL TERNATE\ ~ L.. " -(Q , ~ " """ &' ~~ ' ~', ' ~ ", ", ~h SMOKING AREA \ LEEDS EO \" PREREO 2 /5 HIGH / \WillE LETIERS I ./ / ~ 4~V:~ SlRlPE (n'P.) I II I QEEN FED -> PAINTED SOlI) I}I '- EXISTING ASPHALT PAVEMENT CAR/VAN POOL ~2. HIGH WHITE LETl'ERS EXlSl1NG CONCRETE CURB &; GUTIER PAVEMENT STENCIL DETAIL CURB STENCil DETAil N.T.$. JUS NOHS I I I. CONl"RACTOR SIW.l. PAM lHE DESIGNATED PARKING SPACE INFORMAnoN ON ntE PAVEMENT AND ON ntE FACE or iHE CURB AS INDIrATED. BOTH SEI'S OF PARDIG 1tE~11(Jt SHAlL BE PAINTED IN BOiH lOO\lIONS. 2. ONE. REPRESENTAl10N OF fACH OF lHE PARKING INFORMAlION IS INDlrAlED. TOWN OF SILCR CITY GCNCRAL NOTCS: 1. ALL PERMIT SUBMITTALS SHALL BE SUBMITTED TO THE TOWN OF SILER CITY FOR REVIEW. 2. OWNER IS RESPONSIBLE FOR FORWARDING PERMITS TO RESPECTIVE AGENCIES. 3. ALL FUTURE WATER EXTENSION UNES AND PLUGS SHALL NOT BE LOCATED IN PAVEMENT FOR THIS PHASE. 4. GRAVITY SEWER UNES SHALL BE AIR PRESSURE TESTED. 5. ALL SEWER MANHOLES SHALL BE VACUUM TESTED. 6. RECORDABLE EASEMENTS FOR ALL UllUTlES TO BE OWNED AND MAINTAINED BY THE TOWN OF SILER CITY SHALL BE PROVIDED. THE FOLLOWING MUST BE COMPLETED PRIOR TO A CERTlFlCA lE OF OCCUPANCY: 1. SUBMIT AS BUILT SURVEY OF WA lER. SEWER. AND STORM DRAINAGE. 2. SUBMIT WRITTEN 1 YEAR WARRANTY FROM PAVING CONTRACTOR. 3. SUBMIT WRITTEN 18 MONTH WARRANTY FROM WATER AND SEWER CONTRACTOR. 4. SUBMIT ALL RECORDED EASEMENTS FOR ANY TOWN MAINTAINED UTlUTlES ON PRIVATE PROPERTY. 5. PAVE ALL STREETS. 6. INSTALL NCDOT REQUIRED TRAFFIC PATTER ALTERATIONS. 7. SUBMIT DOCUMENTATION IDENTIFYING THE ENTITY RESPONSIBLE FOR CONTROL AND MAINTENANCE OVER ROAD RIGHT -OF-WAY. 8. GRADE AND SEED ALL ROADSIDE SHOULDERS AND DRAINAGE SWALES. " 9. INSTALL STREET SIGNS. . ~ $~ ~1' q,.... e- I \-~ Li \ I ~ ~-~----- -~-----~--~~---~---~ IPHASE 21 FUTURE BUILDING I J'l 1 I 1 I 1 I ~~ ,f /......~ .,/ , , .,' , , / " , " ~' " J'/ , , , , , ~ , ., , 1(\ \ \ \ ) I I I , I I I , I I I If I. It Ig I~ I , , I I I I I , , I I , I I I I I I , I I I I I I I I I I I I 1 I I I I I , I , I I , I I I n I II 1 \cl/ ~\ , p, I '" , , ..C(.. .&c", !6 &cCb ~~ .:::--- .- --- ---_._--------------_.._----_.__.__._-------~\I l J' _-J------ j i \ ~ i L___<__j L_=-- \l AREA 1.42 ACRE m VA 11 w! \ ~ FUTURE BUILDING DISTURBANCE UMllS (SS CREDIT 5.1) 1r OKING AREA MIN. 25' EXTERIOR WALLS AND BUILDINGS LEEDS EO PREREO 2 ~ ~ mc'-~".",,'.,..----'-'--'>'= W'''''' PHASE UNE DISTURBANCE (SS CREDIT 5.1) ~"?, LCCD C8CDIT SS 5. 1 RCaUIRMCNJS THE FOLLOWING ARE THE UMITS OF DISTURBANCE OFFSETS PER THE LEED SS 5.1 CREDIT: -40 FT BEYOND THE BUILDING PERIMETER -10 FT BEYOND SURFACE WAU<WAYS. PATIOS. SURFACE PARKING AND UTlUllES LESS THAN 12 INCHES IN DIAMETER. -15 FT BEYOND PRIMARY ROADWAY CURBS AND MAIN UTlUTY BRANCH TRENCHES. -25 FT BEYOND CONSTRUClED AREAS WITH PERMEABLE SURFACES SUCH AS PERVIOUS PAVING AREAS. STORM WATER F ACIUllES AND PLAYING FIELDS. ~~~ ~ ~~14~ t , , , , , , , , , I !l , , If! , .il '.,..'...' [- /I H !II I '" /1 I III I H (2) PREFERRED '/ PARKING /1/ SPACES FOR / IJJ CAR/VAN POOL , I (4) PREFERRED PARKING I SPACES FOR LOW EMITnNG. / FUB.. EFAClENT VEHIa.ES/ (2) .\<....;.......'..........) ( CAR/VAN POOL ..;' 1 / I ~\Jt I , , , , , 1 I 1 I I I , { PROP. Bu'~g ;fOOR) ffff5~~0(~RST flOOR) BIKE RACK (SS CREDIT 4.2 NOTICE: (2) PREFERRED PARKING SPACES FOR CAR/VAN POOL CONSlRUCllON SllE SAFETY IS lHE SOlE RESPONSlBIUTY OF lHE CONlRACTOR NEllHER lHE OWNER NOR lHE ENGINEER SHAU. BE EXPECTED TO ASSUME ANY RESPONSlBJUTY FOR SAFETY OF lHE WORK. OF PERSONS ENGAGED IN lHE WORK. OF ANY NEARBY STRUCTURES. OR OF ANY OlHER PERSONS. NOTC: lHE LOCAllONS OF EXISTING UNDERGROUND UllUllES ARE SHOWN IN AN APPROXIMAlE WAY ONLY AS DiSClOSED BY AVAILABLE UllUTY COMPANY RE~DS AND HAVE NOT BEEN INDEPENDENll Y VERlAED BY lHE COMPANY. NO GUARANlEE IS EllHER EXPRESSED OR IMPUED AS TO lHE COMPLETENESS OR ACCURACY lHEREOF. lHE CONlRACTOR SHAll. DElERMINE lHE EXACT LOCAllON OF All. EXISTING UllUllES BEFORE COMMENCING WORK. AND AGREES TO BE FULl.Y RESPONSIBLE FOR ANY AND AU. DAMAGES WHlat MIGHT BE OCCASIONED BY lHE CONTRACTOR'S FAlWRE TO EXACTLY LOCATE AND PRESERVE ANY AND AU. UNDERGROUND UllUllES. lHE CONTRACTOR SHAU. NOllFY 1HE DESIGN ENGINEER IMMEDIATELY IF A CONFUCT IS APPARENT. DEVELOPER IS RESPONSIBLE TO INSTAU. AU. EXlS11NG OVERHEAD UllUllES UNDERGROUND ALONG lHE FRONTAGE OF lHE PROPERTY. \ \ \ \ \ \ \ \ \ \ \ \ \ \ DIMCNSION NOTC: ALL DIMENSIONS ARE TO THE BACK OF CURB WHERE APPUCABLE. I I / \ f , \1 } ",I \ '" ",'" \ '" ",,,,'" \ ",; ",'" \ '" '" ",'" "'~ "'...... ,'" \ / \ " \ / \ " \ , , \ \ \ \ \ \ \ \ L=266.63' \ R=1630' \ DELTA=9-22'20" BEARING= \ S1X23'03"E \ 266.33' \ \ \ \ \ \ \ \ \\ \ 0' \ j/ \ \ / / , ),/ / \ \ / 'yV \ /\1\ / /{ \ /1/ \ , / \ )'.,/\ \ , \ \ ( \ ,1\ \ \ I \ , , \ --_./ I \ I \ I (/)\ \ I d \ I t\ \ I -~ \ J ~ \ / ~, \ \ V ~\ \ \ \ \ \ \ \ \ J' ",'" ",'" ",'" , , , , I , I , I I , I I , , I , , , , I I I , , I I ,J ,," ,," f1::'lmJ' / / / I /\ ''''' II ,,' GENCRAL NOTCS: 1. BASE SURVEY DATED JUNE. 2006. PROVIDED BY HOBBS. UPCHURCH AND ASSOCIATES. PA INCLUDING BOUNDARY. TOPOGRAPHY. VEGETATIVE BUFFER AND STREAM LOCATIONS. I") eX) o <( z o 0:: " o z SITC DATA ZONING : 0 &: I TOTAL SllE AREA: 41.42 AC PHASE 1 SITE AREA: 5.68 AC BUILDING A AREA: 11.938 SF (1ST FLOOR) 11.490 SF (GND FLOOR) MAX. HEIGHT : 31.5' PARKING RCQt!IRCMCNTS REQUIRED PARKING: 1 SPACE/150 SF PER TOWN OF SILER CITY STANDARDS TOTAL PHASE 1 SF: 23.428 SF /150 157 REQUIRED SPACE PARKING PROVIDED: \ 157 SPACES (6 HANDICAP ACCESSIBLE SPACES) (8 PREFERRED SPACES) (8 VAN POOL SPACES) .BID AI-TCRNATCS G-1 - PLEASE REFER TO SPECIFICATION SECTION 01 23 00 FOR DESCRIPTION OF ALTERNATE G-1. G-2 - PLEASE REFER TO SPECIFICATION SECllON 01 23 00 FOR DESCRIPTION OF ALTERNATE G-1. .s.tlEEL..ll:I. C-1 C-1A C-2 C-3 C-4 C-5 C-6 C-7 C-8 C-9 C-10 C-11 C-12 C-13 C-14 L-1.1 L-1.2 SITE PLAN TOPOGRAPHIC AND TREE SUR GRADING AND DRAINAGE PLAN UllUTY PLAN SEWER PLAN AND PROFILE WATER MAIN PLAN AND PROFILE STORM SEWER PROFILES SMP PLAN AND PROFILE SOIL EROSION CONTROL PLAN SOIL EROSION CONTROL DETAILS MISCELLANIOUS DETAILS STORM DRAINAGE DETAILS STORM DRAIAGE DETAILS WATER MAIN DETAILS SANITARY SEWER DETAILS PLANllNG PLAN PLANTING DETAILS \ \ ~o' x 70' SIGHT TRIANGLE (TIP.) \ \ '\. " --- ..........--......----- --- --- --- --- .~-C~~P\JSl)R.-t60~ RjW)~_ -- -- --- --- --- ----- r 10' x 7~' SIGHT 1 (TIP.) \ \~-~- 1:;;0 / 10 \G> \:;;0 \ \ I~ \ \ ~(/) \ \ \ \ CD \ \ o \ Ie \ 'il ~\ \ ~ \\I'~ \ I~ \ : 1 \ \ i \ \ \: \ \' \ \ \ J \ J \ PA VING LCGCND - ./ / / / I , LEGEND o o EXIST. MANHOLE EXIST. CATCH BASIN EXIST. END SECTION EXIST. HYDRANT EXIST. GATE VALVE IN WEll EXIST, WEll EXIST. GATE VALVE IN BOX EXIST. STORM SEWER EXIST. SANITARY SEWER EXIST. WATER MAIN PROP. MANHOLE PROP. CATCH BASIN PROP. END SECTION PROP. HYDRANT PROP. GATE VALVE IN WEll PROP. STORM SEWER PROP. SANITARY SEWER PROP. WATER MAIN I> tr o @ "6. . . ... 'fJ{ . ..., PROP. TOP OF PAVEMENT ELEV. . Jr .., PROP. TOP OF CURB ELEV. .. ., PROP. GUTTER ELEV. ..,.., PROP. BOTTOM OF WAll ELEV. . _., PROP. TOP OF WAll ELEV. \ ~ -) \ \ \ ,\\\1"11"., , ", CAr> '" ...." ~y.. rvTO~ "" ,:.'" ^~ ~-c~.c.f;/..... /A~ ~ ~ ~..~,~ Q..:~ ~ ~ .'~ ~.. ~ = !I.f. SEAL r\ -: - . . - EIR j; i 21543 i ~ I:....d.\~ ;,,~ /1 ~,_.. ~.. ~~ '\ ","v.; ..... I~~~" -~.:- I ';, ~{ .......... ~~-........... I. '" e,.. A R"\~ ,.... """", ~ In\\\"" PROP. ASPHALT l.::2..;~.>'1 PROP. CONCRETE SITE PLAN SCALE: 1" = 50 FEET ~~tA1I ct./""/69 wZ t:~ (1)0. ~ (I) . c ~ w ~ <[ W Z ...I :i ...I (I) ~ O~ (3 O~":C ~ U "" I- (J\O! W (1)'(0 :c Z f:3 IJ) Z I- ..... ~ g >=' a::: rJ (I) (\J I- D~::J~~ La.. ~DD Z~<[~U <[OZ ~ ...J :i I- <[ 0.. OD<[:C ...J O! ...J I- <[ <C <[ 0.. <[ ::J Z UZ[3 I- ...J ....... 0..- ... ~ ...I ~ ~ 0.. ZO~~I Da:WO!(I) U c(u8~ O I~~ IJ)'V' ...II- (I) <CD > a: ...J ~ ~ ~ Z <[ w ~ o C) . Zosi _e~a f5 il~ 1.1 .... ... ~~..... Zlil ii 13 ~ Z ~I 11I11 , lit ..... a= I~ ~Ie. III i . <( a. _en C/) C 0 C\I I- 010"'- ......vC"> 0- ,... :JSC\lVC\I Wen3a1gg I- C (/) J; C\I m - I I o .... e It) It) IO~~~~ - -- o ~(/)€~~ a: eomm enoz'::''::' <(O.go~~ Q)=OOLL C/) ......I.o> .- 0 (I) I'W"\ .c ex> t:: m evQ. 0<( I REV # DATE 2 9-26-08 1 6-18-08 DATE 2-22-2008 C-1 NOTICE: / ./ -- \I ,/\ ,,' \ , , ,\ , I" \ II \ \ \ \ \ L=266.63' \ =1630' ELTA 9"22'2~" EARING= 1 T23'03"E \ 266.33' \ \ I I / / / / ,/ , ............ ........................ ,.......... / / r-_ / / - / / / / / ,I t' J , , -_......./ ...o.O\,,\flI\. V~~~ CONSlRUClION SITE SAFETY IS THE SOLE RESPONSlBlUTY OF THE CONTRACTOR NEITHER THE OWNER NOR THE ENGINEER SHALL BE EXPECTED TO ASSUME ANY RESPONSlBlUTY FOR SAFETY OF THE WORK, OF PERSONS ENGAGED IN THE WORK, OF ANY NEARBY SlRUClURES. OR OF ANY OTHER PERSONS. 1ll2m THE LOCAllONS OF EXISlING UNDERGROUND UlIUlIES ARE SHOWN IN AN APPROXIMATE WAY ONLY AS DISCLOSED BY AVAILABLE UlIUTY COMPANY RECORDS AND HAVE NOT BEEN INDEPENDENTLY VERlAED BY THE COMPANY. NO GUARANTEE IS EITHER EXPRESSED OR IMPUED AS TO THE COMPLETENESS OR ACCURACY THEREOF. THE CONlRACTOR SHALL DETERMINE THE EXACT LOCA liON OF AlL EXISl1NG UllUllES BEFORE COMMENCING WORK. AND AGREES TO BE FULLY RESPONSIBLE FOR ANY AND ALL DAMAGES WHIOI MIGHT BE OCCASIONED BY THE CONlRACTOR'S FAILURE TO EXACTLY LOCATE AND PRESERVE ANY AND AlL UNDERGROUND UlIUlIES. THE CONlRACTOR SHAlL NOllFY THE DESIGN ENGINEER IMMEDIATELY IF A CONfliCT IS APPARENT. DEVELOPER IS RESPONSIBLE TO INSTAlL AlL EXISlING OVERHEAD UlIUlIES UNDERGROUND ALONG THE FRONTAGE OF THE PROPERTY. -- - /' /' r / ...... ...... ............ -- --- ,- --- -- -- ......- -- -...... ,- ......- ............ ......- -- - ",- -- -- -- /' /' -- / --- -- --- I I /" / -- /-- / / ,/' / I / / / / / I /' / / ,/' .......---- /' -- ---/ / - r- (V/ /--Z-- '~,..-/ __--- /-- V ~~,,\flI\. /' -----V~--l /--~-- _-.......... I 1---, , /---- --- / .......... r C-- /' ,..........,,11 \----V '1 I / -- $- "'~ I "$71 08. \ e- \ "',:). \ r \ ,--- -...... \ I I 1 I I I I I I \ I I \ \ II II I( \ \ I I / I / / TREE SCHEDULE SIZES AND (QUANTITIES) ~~18 PINE (32) i7'g&" G)18 MAPLE (5) 918 HICKORY (6) 'f\f18 POPLAR (41) ~:p~ 018 OAK (5) ",1' ~&18 HARDWOOD (5) ~~ TREE QUANTITY UST 18" TREES REMOVED PLANNED 107 94 82 GENERAL NOTES: 1. BASE SURVEY DATED JUNE. 2006. PROVIDED BY HOBBS. UPCHURCH AND ASSOCIATES. PA INCLUDING BOUNDARY. TOPOGRAPHY. VEGETATIVE BUFFER AND STREAM LOCATIONS. 2. TREE SURVEY COMPLETED BY HOBBS UPCHURCH JULY. 1008. SITE DAT~ ZONING : 0 &: I TOTAL SITE AREA: 41.42 AC PHASE 1 SITE AREA: 5,68 AC BUILDING A AREA: 11.938 SF (1ST FLOOR) 11.490 SF (GND FLOOR) - - - - - -0 /' LEGEND ;0 / o I G> ;0\ ~\ OJ\ o \ ~\ ~\ ;0 I~ 0, , \ : \ / \ ~ \ / \ / \ I \ \ I \ I \ \ J TO~~RAPHIr. AND TREE SURVEY , SCALEr 1" = 50 FEET ---- - - (60' R/W) CAMPUS OR. -- - - - - - - - o o EXIST. MANHOLE EXIST. CATCH BASIN EXIST. END SECTION EXIST. HYDRANT EXIST. GAlE VALVE IN WELL EXIST. WELL EXIST. GAlE VALVE IN BOX EXIST. STORM SEWER EXIST. SANITARY SEWER EXIST. WA 1ER MAIN t> "0" o @ ~ x EXIST. TREE TO BE REMOVED """"""1'1" "" u CAaO '" .... ~.T' rv{"1 I,. ,~ 2--' .............../A.. ',. $ ~,~.~~/O;,:.~'-y \ ~ .~- '~ . , g ! 0:. SEAL 'f\ ~ : i 21543 : = - \ : - -~. -k- ~ ~...f".-fI'O,..&,...: ;;;! $ '.-r.z ';'JVb "~~.. ..~ ~ ~, ~.('~.:.......... ....\.~~,,' ',., ... r A. o~\'" ,," '" "", "'''1111'''' ~pJ-,wI ct.1"" /69 () ~ ~Wru Q.W ~~> U) eefE . Oz:) e Q.<eU) ~ e w o <[ w Z ..J :i ..J (/) ~ Oir ~ O~,",I ).U~~ I- (/) (Y) 0 -(/)'Z zw\O ZO ... ~ J..-o4O>- ""(/)C\J~ ~ :::>~5 t:Q00 ~<[ou Ozt:Q J..-o4 ~ -'~<[ OO<[I C!-'~ lII( <[ a.. <[ ZUZD -,J..-04 - ... ..J <[ ~ a.. OC!WJ..-04 ~~I II ~C!o~ <Cuu~ O ,WO \O~~ ..J ~ (/) lII( 0 ~ II -' ~ I- ~ Z <[ w ~ o C) ~ Z rei i - -;c j ei il~ 1&.1 .. e zli~ OIC1 ~ ~Iii Jl ..... a= i~ " Ij~ 1&1 f . <( a. _CI) +-' en c 0 C\J t- <<So~ +-' V tV) 0- ..... ::J!C'IIVC'II W'^3<<SOO VI CJ) c: 0 0 t- c =C}I~ O - 0 _ (j)'-lOlO IO~~;1;;1; - -- o ~CJ)€~~ a: Cl)2omm +-'.8z-:::-::: <( oC/)e8~ ,n ! I .8 g U J .- 0 C/) IY\ .c ex> :::: m eV([ 0<( I REV . DATE 2 9-26-08 1 6-18-08 DATE 2-22-2008 C-1A NOTICE: CONSlRUClION SllE SAFETY IS THE SOLE RESPONSIBlUTY OF THE CONlRACTOR NEITHER THE O.,ER NOR THE ENGINEER SHALL BE EXPEClED TO ASSUME ANY RESPONSlBIUTY FOR SAFETY OF THE WORK, OF PERSONS ENGAGED IN THE WORK, OF ANY NEARBY SlRUcnJRES. OR OF ANY OTHER PERSONS. NOTE: THE LOCA liONS OF EXlSlING UNDERGROUND UlIUlIES ARE SHOWN IN AN APPROXlMAlE WAY ONLY AS DiSClOSED BY AVAILABLE UlIUTY COMPANY RECORDS AND HAVE NOT BEEN INDEPENDENlLY VERIFIED BY THE COMPANY. NO GUARANlEE IS EITHER EXPRESSED OR IMPUED AS TO THE COMPlE1ENESS OR ACCURACY THEREOF. THE CONlRACTOR SHALL DElERMINE THE EXACT LOCA liON OF ALL EXISl1NG UlIUlIES BEFORE COMMENQNG WORK. AND AGREES TO BE FULLY RESPONSIBlE FOR ANY AND ALL DAMAGES WHICH MIGHT BE OCCASIONED BY THE CONlRACTOR'S FAILURE TO EXAClLY LOCAlE AND PRESERVE ANY AND ALL UNDERGROUND UlIUlIES. THE CONlRACTOR SHALL NOllFY THE DESIGN ENGINEER IMMEDIA 1EL Y IF A CONAJCT IS APPARENT. DEVELOPER IS RESPONSIBLE TO INSTALL ALL EXlSlING OVERHEAD UlIUlIES UNDERGROUND ALONG THE FRONTAGE OF THE PROPERTY. STORM SEWER SCHEDULE: FROM MH INPUT DIAM. LENGTH OF OF PIPE LINE (TN.) (FT.) TO MH II 10 9 8 7 6 5 4 10 9 8 7 6 5 4 3 2 1 C 15 15 15 18 18 18 18 24 24 24 30 73 74 80 100 80 87 151 95 68 180 42 3 2 1 12 9 15 43 14 13 13 4 15 15 105 75 17 16 15 16 15 4 15 15 15 34 42 243 ::::,1 / 1 ~ \ I p / \ $ "'~ 3",# 08. ~ \ "'> [" - _\ \ ) \ 1/ ?J ~~ 15~ Q,. \ )\ , I I I I FUitUm: GROUND ELEV. INVERT ELEV. UPPER LOWER UPPER LOWER END END END END 571.10 567.30 564.50 562.60 562.60 562.00 561.00 563.00 557.60 554.90 549.60 562.40 573.50 566.00 555.00 555.00 556.30 >00 "<# 567.30 564.50 562.60 562.60 562.00 561.00 563.00 557,60 554.90 549.60 ES 563.70 566.00 563.00 555.00 556.30 563.00 564.75 561.06 558.04 557.04 556.04 553.69 550.36 547.21 546.26 545.58 532.21 558.50 564.00 559.85 551.00 550.66 550.24 562.56 558.84 557.24 556.04 555.24 552.82 548.85 546.26 545.58 538.13 532.00 558.07 560.85 557.60 550.66 550.24 547.81 / /' EIR/ E , \1 ~ \ ~ ) If ~ I ,,-- I' V I \~ ~ /~ J - \ \ I ~ I I '- __ <\ ,~ r, IJ/ " \ \ ~~ ~ \ \ / ~~ ( ( -- -- - ,-- ---~ 'rr: I- I I I :::::::::-I / ~r= v- ( \ V \ I~ \ I I I I I , , I I t \ \ \ \ \ \ \ 2. ROOF ; ,.-- ~~-=\ I LN I 6. PVC OJ.OW(; MIN v--: 12. PVC 01.00" MIN ROOF r~~~ '1 L "17 l7\J 6. PVC -- I.... ~12. PVC ~ OJ.Olm MIN ---l ~ O1.00X MIN [,.' i\\ v )\ \1 \ // \ '/r /' / ~ \ /')( ~/ ~ '~/ \ I I \ \ / '\ \ \ \ \ ,,-// /' I ~ ~~f~~~:O~22'20" /' /' / III ING= I J.s1 23'03"E \ I / 26 ,.33' \ (I \ / ) / ,\ \ \ / / \ \ \ I ~I\ \/ /1 \ [IJ '0/ \ I~ '\ \ \ \ \ ~ ~I\ \ \ 10' H - LL-~ /1:jJ~\ / 1. 11:1 ";;- \ ~ ) I/; 'I ni \1 \ ) ~~ (( Ict\~ / ~/j-~ ~T fi\"t \ \ '!b~ ~~.\ \ \ I 1 t\'! \ I \ \\ ", \ ~~OV ~\~\ \ EDI )'/1 ) .,~\i \ ~~~). i \ ~"ifl!l, /" \ '-.. _ _ _ __ - - - - - - , .LEE.D CREDIT SS 5. 1 R~QIJIBMEIn:S THE FOLLOWING ARE THE LIMITS OF DISlURBANCE OFFSETS PER THE LEED SS 5.1 CREDIT: h) / / / ,/ /' -40 FT BEYOND THE BUILDING PERIMETER -1 ROOF /~cH~ 6. PVC lAJ 0I.00x MIN ~ 6. PVC /' ...I MIN -10 FT BEYOND SURFACE WALKWAYS, PATIOS, SURFACE PARKING AND UTILITIES LESS THAN 12 INCHES IN DIAMETER. rt) CD o < z o 0:: C) ~ j 6 ~ " / t -15 FT BEYOND PRIMARY ROADWAY CURBS AND MAIN UTILITY BRANCH TRENCHES. - _ ( 7 ') ~ -25 FT BEYOND CONSTRUCTED AREAS WITH PERMEABLE SURFACES SUCH AS PERVIOUS PAVING AREAS, STORM WATER FACILITIES AND PLAYING FIELDS. (!) / I I I I I I I I I ....../' '\9J~/ '\ '\ I"/,--- I I - / ///// ~I ~~/' /~.-?~~ ~r,////// ~~ ~ ~~~~ V/ /' /' --- a-:..... .-:/: =:::::-;: ;: ')'1 L./ //~ /' ~~ .& /' --::- 0 /1;, / '/ ~ --::- ::;::. --::-1// I. ,,/ 7>7>"(/ ___ --- -:/ Ii I j! r ~7>~?-9/- ~::;::. ~ / I'" ~( --- ....-....- ;::; ....- ....- ....-~ 'l, << l;- I ~ ~",'< 'l,<<1;- ~f~:::::--530 ::::::.~~ '~~'~" ;:~ 1.1. ~ I fIliI -,,\S~\~ \\' \ ;:~ 'i/ ;c)v I r!\{( "":\~ \\\\\\_ _ // ~/ ~ ~ ~ II N III\==-=-~:I/. I \. ~ -=----- j) ~ -:::::--::// A ~ ~". --- J J .// '"'- ......~ ~ ........ ---\ . -~~j~~ ,(----------------------------------- \ \~~~ " BID ALTERNATES G-1 - PLEASE REFER TO SPECIFICATION SECTION 01 23 00 FOR DESCRIPTION OF ALTERNATE G-1. 520 - -------.J .~ !6 bc9J ~~ GENERAL NOTES: 1. BASE SURVEY DATED JUNE, 2006, PROVIDED BY HOBBS, UPCHURCH AND ASSOCIATES, PA INCLUDING BOUNDARY, TOPOGRAPHY, VEGETATIVE BUFFER AND STREAM LOCATIONS. \ > / / '2 STORM WATER NOTES: 1. ALL STORM WATER CONSTRUCTION WILL BE TO THE TOWN OF SILER CITY PUBLIC WORKS STANDARDS AND SPECIFICATIONS. 2. STORM WATER MANAGEMENT F ACIUTlES WILL BE PROVIDED MEETING THE CURRENT STATE AND LOCAL REQUIREMENTS. 3. STORM WATER F ACIUTY CONSTRUCTION WILL BE PHASED ACCORDINGLY TO THE NEEDS OF THE BUILDING PROGRAM. 4. SEDIMENTATION AND EROSION CONTROL DEVICES WILL BE REQUIRED TO MEET NCNRCD - DIVISION OF LAND QUAUTY STANDARDS. 5. STATE STORM WATER AND EROSION CONTROL PERMITS WILL BE OBTAINED PRIOR TO ALLOWANCE OF CONSTRUCTION IN A GIVEN AREA OR PHASE. ~:FJ / / / ~ l lQJ /~ /~ /~ / ~ n [~ -- / / / 1\, \ / ----------+J~ \ / ~J ~ It :\ ~N\ I " r- II! / ~ U'S\ ~" "\ i / '/ // -/ /~ U I ~ \. l I J IPZ~ ~~R~-/ /\ 0-- \-~~ / / , / / 7 ~, / -_\ ~~;-- "II /_c/ T/ - )1'_- '/ \"J' ~j. 1;\ II '7 ~ / ~ "/ / S/ 7:Uru BUILD G - \ ~, ~ \:\ \~UIL G r :7 J r - ~ Y~L :1\\\). ~ J~~ ~560 r-~ ~ ~ ~ ........~ ~ L ~ == - = ~ rj; rr-/.r- ~. _w.o ,. IV' ./" .... II \- ~-;;-~~ /:::=T~~j~"'"o,"-' ~ ~ --r -- ./ 'BID -7-- .. ..JIr... 'Ii ::-.~~~:~,' i ~( ~ ~ ~-~ f,ll ~/":.,y ___ \: ~ ::l:~': V~'______ ...~OP. B\J'~D fLOOR) ~ t ~ i! .......--~ ~..~ -:':.l-~ ~ ff 571.0 (Sf fLOOR) !.,;.... ..;:";.i \~ ...: \ /' h' ~~~ '.< :~..~.....~ : -- - ~ \rll'....' ",6f.96 _ l~ _ "llt3) t-.- If ~~ ~..~~~ .,::: ~I"-=DETA\L. .. ---=- \ r; ~1 d .-.. '_ '(, gf) j'''I . l~c";U~ ---~- :i J W 'I 1/1 \ ~ ~ \. ~ jJ; s~ -,. 'I~ --'1D6 "111I "'" r ~ --- i~o ""'l-l,d -, ::< Z~d :....../ ~ ~ .-.~~}!~~~~~:,,"~: _'::"'1b~ V~, 7~MJ. d.... '" i It~ - ... -'~.-.. ;,;.;' .. .i....;;'..,....~.. .:....~ "- -ti 'Ii; -~ -.... ~ - . .-. ". .".;.:.".." ',HJ I ~ II , ... 1P 76r ~ ---: r 5 \\ /j~~ ~~' ,11~ '~{ r . ~~( .~ ;n\ IV\ 'I llY\ \~\ 1!(7/V ~~ RI'tt \ /' BID, Af ~,"~ I 71.1 ALlERNAlE P' \., \' ~ \ I "" ~ /. /lIAJ -. / 1,--//V\ L. ~ __ '-I I I I I ~ =~ ~""7' ~ 1981.1~ - /' S ~7'50. W -" I / /' .J ~ v ~ \ \ 1 \ \1....----. G- 2 - PLEASE REFER TO SPECIFICATION SECTION 01 23 00 FOR DESCRIPTION OF AL TERNA TE G-1. I -- \ \~ I - - / --- -- (""'-. . v \ \ - L~ / r ~ '\ ['t ___ V I --- \~ \ I ~\ ~~_ _______ I J s ( \ xo ~. JRA'C:I1. :;? PROVIDE f5 S ON ~ dR .__ __ ..& P', UNRElNF--=---' - -dftv FOOlING~ sJ~ :~ / DDnD Hl. I'I~~~ 0' ~ UND~O~Y~ "/ y -.--.- CE UMI~ \ ..PI ~tf~ (55 i:IT~ 5.1)" r T \ .,j.....~_ ~ ~ ...,.......-\ \ ..\.tjjIIT ~ \ I \ \ ~~ \ \ \ A , \ ~.~\? ~.\ \ -1/ ~,? \ \. \ EXIST. MANHOLE EXIST. CATCH BASIN EXIST. END SECTION EXIST. HYDRANT 7 "d ~UR \60~ CAM __-~-- __ -- ---- -- -- ------- - - --::::::= - - -..-------- ----- ...-- ~ --- ~_.- -- J5"" -- /,.../ - - \\~ \~ I ',$ 0 I ~I!: G> \1 -;0 \ ~\ (j) 00\ @\ \ \ ~ " \ \ f511 \ : \ \ / \ \\ \ \ \ \ \ \ \ (lh~ \ ~~~ G~ADING & DRAINAGE PLAN SCALE: 1" = 50 FEET I ./!7 I r:::::::;tY :;:::;;l- .... ... I ?~ ~/'?f J'j> .'c0rlJ?~ .....?..s.c....... 2J22..\ '" ~ ~ ~~:::: ~ ~; '~,~' /vp; ~ \ ~ :J . . ~ ... . RIM .6 LEGEND o o I> 'V' 18> @ EXIST. GATE VALVE IN WELL ~ ~ co-C)J ~ :\ EXIST. WELL EXIST. GATE VALVE IN BOX - -- - - EXIST. STORM SEWER -- - EXIST. SANITARY SEWER - EXIST. WATER MAIN PROP. MANHOLE PROP. CATCH BASIN PROP. END SECTION PROP. HYDRANT PROP. GATE VALVE IN WELL ---- PROP. STORM SEWER PROP. SANITARY SEWER ---- PROP. WATER MAIN ,81 PROP. TOP OF PAVEMENT ELEV. , R: ., PROP. TOP OF CURB ELEV. ,.., PROP. GUTIER ELEV. ,.,. 81 PROP. BOTTOM OF WALL ELEV. '..., PROP. TOP OF WALL ELEV. "0' \ \ ~ ""-~~~ ~,- \ ( / '; ( ./'.' ~~ {J:$.? / .-, 1/ 1 \- I ~\ / \ I J/ '.lfrI' E1R1/ (\ l \ / \ / \ WALL ""'11",, "" CAft "" ..", -t~ ....-to" "'; ...... ~'........... ..../A.. ' $ ~ ...~~~/d...:~ ~ :: ~.!p 'Ie... ':. g it{ SEAL r\ ; = : 211:... ... : = ... '" ~.- ': .-ft \ t4t .: " : ~~ . . ~- ~~ ". nl".c~'~- ~ , ~ ~u "~~ ~, ',~.I' ........... ~<-'... ...' ;, ,.c-.._ ~v.v " #',,'" r A fl~ "" 1#16'....",,," 3 j ~ j \ , //) ),0 II II II I( \ \ \ \ \ \ \ \ , I \ \ \ \ , I I I I J I ~z ~ ~~ ~ ~ ~ w " <[ W z ...I :i ...I Gf) ~ o~ ~ O~"I ~u""""'~ O\O! w-~7~ ~z~~ "' ~.......O)- O! .J Gf) (\J ~ 0~=>~5 l.J... ~oo z ~ <[~u <[oz ~ -1 :i~<[ o...OO<[I -1 0!-1~ <[ <( <[ 0... <[ =>ZUZI ~ .......u 0..._-1 ~ ...I ~ ~ 0.:- ZO~~I Oa:wO!Gf) U <cu8~ O IWO lJ)~~ ...I ~ Gf) <(0 > a:-1 ~ I- ~ Z <[ w ~ o ~ .. Z~li --~A ffi li~ '.'ift. ... ~- z i~ i51C1 = z ~I 11I11 ~ &ili III i . <( c.. ..en +-' en c. 0 C\I I- as 0 ,- +-,v(t) 0- ..... :J'sC\lVC\l W ,^ '3 as 0 0 VI en coo I- c. =C}l~ o .... 2 to 10 IO~~~~ .... -- o cden€~~ ([ 20mm 2}oz'::''::' <( o~o8~ Q)=oou... en +-' I .0 > .- 0 (/) N\ ..c. (X) ~ me"'" a: 0<( :c REV # DATE 2 9-26-08 1 6-18-08 DATE 2-22-2008 C-2 NOTlcr: CONSlRUcnON SITE SAFETY IS THE SOLE RESPONSlBIUTY OF THE CONlRACTOR NEITHER THE OWNER NOR THE ENGINEER 9iALL BE EXPECTED TO ASSUME ANY RESPONSlBlUTY FOR SAFETY OF THE WORK. OF PERSONS ENGAGED IN THE WORK, OF ANY NEARBY SlRUClURES. OR OF ANY OTHER PERSONS. NOTr: THE LOCA nONS OF EXlSnNG UNDERGROUND ununES ARE SHO'MII IN AN APPROXIMATE WAY ONLY AS DIsa.OSED BY AVAILABLE unuTY COMPANY RECORDS AND HAVE NOT BEEN INDEPENDENll.Y VERlAED BY THE COMPANY. NO GUARANTEE IS EITHER EXPRESSED OR IMPUED AS TO THE COMPLETENESS OR ACCURACY THEREOF. THE CONlRACTOR SHALL DETERMINE THE EXACT LOCAnON OF ALL EXISnNG ununES BEFORE COMMENQNG WORK. AND AGREES TO BE FULLY RESPONSIBLE FOR ANY AND ALL DAMAGES WHICH MIGHT BE OCCASIONED BY THE CONlRACTOR'S FAILURE TO EXACll. Y LOCATE AND PRESERVE ANY AND ALL UNDERGROUND ununES. THE CONlRACTOR 9iALL NOnFY THE DESIGN ENGINEER IMMEDIATELY IF A CONFUCT IS APPARENT. (/) ...... 9 8 7 6 5 4 3 I- ~ ~ ~a:W W ~ ....0 ~ a:W::! (/) ~ zO zO ~8 8 0 0 -U) -U) ~o ~~ U) OEU. . ~~ ~~ ~~ z": t<i ~ (I)~ I U) -U) ::I:U) .10 ~~ I- 0 C ::1:10 11'10 11'10 11'10 ~IO 210 ~IO ::1:10 22 021 021 021 2121 11' (/)(/)a: 11'~ .21 11'~ ~~ ~ .i2 .i2 .i2 .i2 011' .i2 0..11' ioi2 0- 1 1 1 1 I 1 I I 1 11 10 ~~ .&; ~::E 11'_ 0..11' I o ~~ .0 ~IO 11'~ 0..11' I J _------1------- l ----- --- + - EXIST. GROUND '- '- ...... ...... ...... ...... ...... 570 I --...... 1 ./ -.....;./ '- '- ....... '- '- '- " PROP. GRADE " '1___--- ----.. INV. 557.24 -12- INV. 558.07 -15- UlIIITY _c 0 6" WM 560 INV. 556.24 -12- --- --- UUJlY ~ 4" SAN LEAD 0 INV. 555.44 -12- --- --- 73 LF 0 3.00" 15- RCP --- --- unuTY ~ 0 8" SAN --- -- 74 LF 03.0OX 15- RCP BO LF 01.00" 18- RCP 80 LF 01.00x 15- RCP 100 LF 0 1.00" 18- RCP 87 LF 0 1.00x 18- RCP --- -- --- --- 550 "- "- ...... ...... --- --- 151 LF 0 1.00" 18- RCP INV. 547.81 -15- , --- ----""'--.... '- , '- 95 LF 0 1.00" 24- RCP "- "- '- , ....... '- 1 540 1I11U1'Y I"'anCZCZIUI! 8" SAN 68 LF 0 1.00" 24- RCP 180 LF 0 4.14" 24- RCP 530 · . . . . . . . . . . .... ....- -- ....- .... .... -- -- I I I I I I I I I I I I I 10 !8 ~! ~! !! ~m &1~ I' i ~.; 1818 liilii 18:8 1813 ~~ 10 1010 1010 1010 1010 1010 1010 > >> >> >> >> >> >> ~ ~~ ~~ ~~ ~~ ~~ ~~ 14 13 4 4 ~~ ~~ 8 8 t<i t<i .1' .0 CD U) 0..10 0..10 ::1:10 :J:IO 021 021 221 221 11'_ 0..i2 0..11' .i2 .i2 5801 42 LF 0 . . . . . . . 1.00" . _IN IN IN IN IN IN II) 30- RCP I I I I I I I I I 18~ ~~ :Rl8 ~~ 8 '4tf. '4i '!j'fj. l5lf.i f.i 1010 1010 1010 1010 10 >> >> ->> >> -> ~~ ~~ ~~ ~~ ;r; PROP. GRADE ~ 8 8 :8 m.,; ~.,; 010 0::8 ::1:10 0:10 221 021 021 .i2 1Ii2 0..i2 T 7 5601 ~1~~ - - - - - PROP. GRADE 57 56 , " '- '- '- '- INV. 557.60 -15- INV. 552.86 -18- 5501 "', r EXIST. GROUND '\( \ ---.,-, ----------- --- 560 --- INV. 558.84 -15- INV. 558.04 -15- ------ I1mnv ~ 12" WMO LOWER TO CLEAR SlM 55 ------- --- ----- \ \ \ 42LFO 34LFOI 1.00x 15- \ 1.00" 15- RCP RCP ~ / "- \ "V/ ""l II GO "It' I lO ..- ~I ~I 560 I 43LFO I \:__ 1~ ~I RCP . . - - I I IS ~I lXi lXi I~ ~I ~ ~ 105 LF 0 3.00" 15- RCP 243 LF 0 1.00" 15- RCP INV. 5+7.21 -24" I 540 I INV. 552.86 -18- 75 LF 0 3.00" 15- RCP 5401 INV. 547.81 -15- 105 LF 05.72% 48- RCP CULVERT 550 II GO "It' 530 I CD .... I~ I; INV. 547.21 -24- I~ ~~ ~I 530 " ~~ 4 ",1 - -- - I I I I - -- - I I I II I 0 1010 0 - ........ III ~ 0 coco CD co IN IN . do) i r..: dd dd ! !l8 ~ l8l8 l8l8 f8 -> >-> > -> ->> ->-> -> ~ ~~ ~ ~ ~~ ~~ ~ PROP. HEADWALL STREAM CROSSING NOTE: PIPE CONlRACTOR TO PROVIDE 157 STONE OR UNRElNFORCED CONCRETE FOOnNG AS 9iOWN ON SHEET SW-5. ~~~""........" ....~~ ~ CARO "" ....... 9:-11f\ ......... ~ /.11. " ~ ~ ..~~SS/d",,~-::, : ~z.~- ~....' ~ g it:( SEAL 'f\ ~ - . . - ; ~ 21543 : = -:'<A\~ ;#-...: ~ ~ '..'.)In,....:~~... ;;! ~ , ~ .:Vb "~"".. ..>> ~ "; ~;,.,I:.......... ~~....." ""''; r A. R~~ ~~........ .........",' ~(!),-,l-A1t t:t/1./J I fl~ STORM SEWER PROFILES SCALE: 1" = 50 FEET HORIZ. SCALE: 1" = 5 FEET VERT. w " <[ W z ...I :J ...I C/) ~ O~ ~ O~"':C ~ul'l- ()\O!: W C/)C{D :c z- t3\OZ I- ZO", ~ .....0>- O!: -' C/) (\j I- D ~ :J~5 La... ~DD z ~ <[~u <[Oz ~ ...J :J I- <[ o..OD<[:C ...J O!: ...J I- <[ <( <[ 0.. <J: :JZUZG I- ...J ..... 0.. - <[ "' ~ ...I O!: ~ 0.. zO~~I D It w O!: C/) U <(u85 o I~~ \0 V' ...I~ 5 ~ ...J w :c I- I- Z ~ w ~ o C) .. ~~!i ~ I:!.L = 1&.1 aIi' I. I . . ... ~i"'" Zlai iSRB:,! Z !iC IIIII~ 1II ..... a= .... " lie III f . <( a.. ..C/) CJ) CoN t- as 0 T"" +"" -.t (,'I) 0- ..... ::J!C\I-.tC\l W C/)sasgg t- c (/) c: ')' ~ o .... e LO LO I- 0 ~ as -.t -.t ,-OLOLO ..... -- o ~CJ)€?2?2 a: eO<>><>> .1!!.8Z':':':': <( O!!e~~ CJ) .e J: .8 g .- 0 (/) rn .c en ~ m e-.to: 0<( I REV # DATE 2 9-26-08 1 6-18-08 DATE 6-10-08 C-6 TRASH RACK: ~" GAL V. STEEL MAX OPENING = 5.5" HORIZONTAL (SECURELY ATTACHED TO CONCRETE RISER) 3' PRECAST CONCRETE BOX RISER ELEV. 532.6 n n J / ~ ~ --------- --------- ~ ~ ///520 ~.// --------- ~ ------- --------- n n GROUT EACH SIDE JOINT SEALED WITH A-LOCK NEOPRENE GASKET CAST IN MANHOLE WALL n n ORIFICE ELEV. 532.6 4" ORIFICE ELEV. 531.5 DRAWDOWN DEVICE n n 15" "O-RING GASKET" RCP INV. 529.50 .. A . 4~' .. .J; ......,' . 4" DIP W/CAP. DRILL A 2"~ HOLE IN CENTER OF CAP. , . A '.' ,," "':~ ;. :.f!>' :4.~' ".~ .. '. .;' . . .... .......:3 -'.I. . ~ . ',' <1 " " ~ ~':~4.'~' ',.t' .,' " '.' 4, :4-,' ANTI FLOTATION DEVICE 3'x3'x12". FILL BOTTOM 12" WITH CONCRETE. ISER AND DRAWDOWN DEVICE PROFILE NTS GENERAL NOTES: 1. BASE SURVEY DATED JUNE, 2006, PROVIDED BY HOBBS, UPCHURCH AND ASSOCIATES, PA INCLUDING BOUNDARY. TOPOGRAPHY, VEGETAllVE BUFFER AND STREAM LOCA 1l0NS. .SI.Q8.M WATER NOTES: 1. ALL STORM WATER CONSTRUC1l0N WILL BE TO THE TOWN OF SILER CITY PUBLIC WORKS STANDARDS AND SPECIFlCA 1l0NS. 2. STORM WATER MANAGEMENT FACILITIES WILL BE PROVIDED MEEllNG THE CURRENT STATE AND LOCAL REQUIREMENTS. 3. STORM WA TER FACILITY CONSTRUCTION WILL BE PHASED ACCORDINGLY TO THE NEEDS OF THE BUILDING PROGRAM. 4. SEDIMENTATION AND EROSION CONTROL DEVICES WILL BE REQUIRED TO MEET NCNRCD - DIVISION OF LAND QUALITY STANDARDS. 5. STATE STORM WATER AND EROSION CONTROL PERMITS WILL BE OBTAINED PRIOR TO ALLOWANCE OF CONSTRUC1l0N IN A GIVEN AREA OR PHASE. PLANT SCHEDULE: TREES: KEY QTY BOTANICAL NAME / COMMON NAME HT. CAL. ROOT REMARK BN 3 Betula nigra / RIVER BIRCH 10' 3- min. B8cB FULL Ie HEAVY / 15' OC CC 3 Carpinus caroIlnlana / IRONWOOD 14' 3.5- min. B8cB FULL Ie HEAVY / 22' OC MV 5 Magnolia virginica / SVtETBA Y MAGNOUA 10' 3- min. B8cB FULL Ie HEAVY / 15' OC EMERGENT PLANTS KEY QTY BOTANICAL NAME / COMMON NAME SL 14 Saglttari Latlfolia / DUCK POTATO I V 18 Iris Vlf9iniana / BLUE FlAG IRIS SC 12 saururus Cemus / UZARD'S TAIL SHALLOW LAND SPECIES KEY QTY BOTANICAL NAME / COMMON NAME L C 33 Lobelia Cardinalis / CARDINAL FLOWER A I 36 Asclepias Incarnate / SWAMP MILKWEED I VI 14 Itea V1rglnlca / V1RG1NA SWEETSPIRE HT. CAL. ROOT REMARK 18- 3 gal. FULL Ie HEAVY / 6' OC 18- 3 gal. FULL Ie HEAVY / 4' OC 18- 3 a1. FULL Ie HEAVY / 4' OC HT. CAL. ROOT REMARK 24- 5 gal. FULL Ie HEAVY / 4' OC 18- 5 gal. FULL Ie HEAVY / 2' OC 24- 5 gal. FULL Ie HEAVY / 4' OC NOTICE: CONSTRUcnON SllE SAFElY IS THE SOLE RESPONSlBIUlY OF THE CONTRACT~ NEITHER THE OWNER N~ THE ENGINEER SHALL BE EXPECTED TO ASSUME ANY RESPONSIBlUlY F~ SAFElY OF THE WORK, OF PERSONS ENGAGED IN THE WORK, OF ANY NEARBY STRUClURES. OR OF ANY OTHER PERSONS. NOTE: THE LOCAnONS OF EXlsnNG UNDERGROUND UnUnES ARE SHOWN IN AN APPROXlMAlE WAY ONLY AS Dl5a..OSED BY AVAILABLE UnUlY COMPANY RECORDS AND HAVE NOT BEEN INDEPENDENTLY VERIFIED BY THE COMPANY. NO GUARANTEE IS EITHER EXPRESSED ~ IMPUED AS TO THE COMPlETENESS OR ACCURACY THEREOF. THE CONTRACTOR SHALL DETERMINE THE EXACT LOCAnON OF ALL EXlSnNG UnUnES BEFORE COMMENCING WORK, AND AGREES TO BE FULLY RESPONSIBLE FOR ANY AND ALL DAMAGES WHICH MIGHT BE OCCASIONED BY THE CONTRACTOR'S FAILURE TO EXACTLY LOCAlE AND PRESERVE ANY AND ALL UNDERGROUND UnUnEs. THE CONTRACTOR SHALL NOnFY THE DESIGN ENGINEER IMMEDIATELY IF A CONfliCT IS APPARENT. DEVELOPER IS RESPONSIBLE TO INSTALL ALL EXlSnNG OVERHEAD ununES UNDERGROUND ALONG THE FRONTAGE OF THE PROPERlY. #4 REBAR 12" O.C. EACH WAY m ""'.:'.'.' 1:;.:;::;:.;~:: ..' ... " ANTI-SEEP COLLAR NTS #4 INTERMEDIATE REBAR RING 4 REBAR TYP. WELDED 6" 6" :rOP OF MANHOLE RISER 4 REBAR RING ARS ARE TO BE EQUALLY SPACED 48" TRASH RACK DETAIL NTS ~ ~ I r-~ / 0 / ~ / ~ / ~ ------ 0 Z ------------ J IN(ILLWA: / .0 h- --- -------------- -------------- ---------- ______________VEGETA llVE BUFFER / / / / / / (~/ \ > / /~~ ~/ / / / r/- 8 / BOTTOM ELEV. 526.0 PERM. WATER ELEV. 531.5 10- YR SlM ELEV. 534.4 ~/ EMERGANCEY SPILLWAY 535.5 . TOP OF DAM 536.0 / I I --- -------------- -------------- --- ~ -------------- ---------- ~ ~ ~ ~ / / / j ....- ~ ----- ~ -- .-------- ANCHOR TRASH RACK TO MANHOLE WALL WITH FOUR EQUALLY SP ACED HOT-DIPPED GALVANIZED STEEL CLAMPS. EACH CLAMP ATTACHED TO MANHOLE RISER BY (2) 3"~" CONCRETE ANCHOR BOLTS ~ " PREFOMRED JOINT FILLER, 12" WIDE ~ ~ ~ ~ ~ -' BASIN LANDSCAPE PLAN / / / / / / / / / / \ \ > / / / / / / / / / / / / PERMANENT WATER ELEV. 531.5......: ------- ~ r ~ ~ ~ \ ( ~ 53 ~ RIM \~ 49:.6 -\ ~ ~ ~ ~ LEGEND o o EXIST, MANHOLE EXIST. CATCH BASIN EXIST. END SECTION EXIST. HYDRANT EXIST. GATE VALVE IN WELL EXIST. WELL EXIST. GATE VALVE IN BOX EXIST. STORM SEWER EXIST. SANITARY SEWER EXIST. WATER MAIN PROP. MANHOLE PROP. CATCH BASIN PROP. END SECTION PROP. HYDRANT 540 " cj Z o o <0 a N <0 I") 1")10::10 aX ~ ::E <0__ 1")0::0:: ...J ...J ~ 00.. << 1.&.10:: :J: 0.. 251~ 8:~ [> tr o @ ~6" . . ~ 'W . 530 " " J EXIST. GROUND "" "" "" "" "" "- "- 10-YR ELEV. 534.4 -------~----------- "- "- HIGH WATER ELEV. FOR WA TER--....QUAUTY STORM 532.6 ----------~------- PERMANENT PO~E'i:E~3~ _ _ _ _ III .............. II II 1~AQUATlC~ 111==, 's ELF III-I 1IIIfIlIIIII III~ -111==, ~III III =111 PE~~~~NT 111111'1 1IIIr llll~ I1111111111 -::ylllll 111111 '--11111 11111I 1- 1_ - - - 1- IllIIIWIIIWIIIW~ ~I~ml m m m m Iml m I mil mlllmlll~ 1- - - - - _ _ _ _ _I * BOTTOM IS TO BE 4" OF TOPSOIL ON CLAY UNER SUCH THAT THE INFILTRATION RATE IS AT LEAST 0.01 IN/HR. TOP OF DAM ELEV. 536 ~ EMERGANCEY SPILLWAY 535.5 PROP. GRADE I PROP. GATE VALVE IN WELL ---- PROP. STORM SEWER PROP. SANITARY SEWER ---- PROP. WATER MAIN ,. PROP. TOP OF PAVEMENT ELEV. ,le. PROP, TOP OF CURB ELEV, ,.., PROP. GUTTER ElEV. '.., PROP. BOTTOM OF WALL ELEV. , ~., PROP. TOP OF WALL ELEV. ANll-SEEP COLLARS FOREBA Y* [22" CLASS B RIP RAP o 0 ~ ANTI-FLOTATION DEVICE 3'x3'x12". FILL BOTTOM 12" 40 LF OJ.50% 15" RCP O-RING GASKE "'"'''''''' ", CAa '" ",,,,,,,,, ,," rvt'O" "" ~ d' ...81..... "/+.' " ,...~ '.€ss,.. , ~~.a a-. ~ " ~ .' ~..." , : :.~ .~ ~ g 1'1. SEAL \ E ; i 21543 1 E -:~\ I#-...: -:. ::;c\, '.~._ ..,A......., ~ ~ -~ .;~VG, N~~;.. .:~ .:- ';~.I ........... .3..<--'''' ~ " ,,I:-. - tJ.\.....v ",'" ""'; r A. R'ti' ,..,.... """11"'" 520 a I~ I o 10 oi N 10 ;> ~ a 10 ..... I o ..... cD N 10 ;> ~ ~~ \ \f 4/0t> BMP PLAN SCALE: 1" = 30 FEET SECTION A-A w ~ a.ZC::! en ~~ZLL I ma.c(~ C a. ~ w CJ <[ W ~ ...I -1 ...I (I) ~ O~ t3 O~":C ~U"I- O\(k: W (I) (\')1 0 -(I) Z ~ Z ~~ .. ~ ..... C) >- (k: .", (I) C\J I- o ~ ::::) ~ 5 L.. r:Q 0 0 Z ~ <[~U <[OZ ~ -1 ::J I- <[ 0.. 0 0 <[ :c -1 (k: -11- <[ <C <[ 0.. <[ ::::) Z U Z [5 I- I ..... 0.. - --' .. w ...I ci Q 0.. ~O~~~ U a: wuf5z <C u~ O I~~ \D'-J' ...I I- (I) <Co ~ a:-1 ~ t- :: Z <[ w ~ o C) 'It Zosi -~~a IS il~ . -. ." ;; ... ~:f" Z18~ ii I~~ ~II~ II: Iii! Ali~ III if . <( a. ..00 ...... en c. 0 C'4 I- mo"" ...... '=t (I) 0- " :JSC'4'=tC'4 W OO3~gg I- c. (/) = C)I q> O .... e LO LO - CD(\S'=t'=t I 0 ~OLOLO - -- O -~ (/) .c 0) 0) gu t::,...,... a: eoO)O) 21 .00 Z '::' '::' <( -CD~ ocne.2LL en jg:E.8g .- 0 (/) rn .c. CO :t:: m ~'=ta: 0< I REV # DATE 3 11-04-08 2 9-26-08 1 6-18-08 DATE 2-22-2008 C-7 \\ \ \ / ~ '(/ / //, / \ // ~ ~ /~ j/ t/ /{ ~//' I I /' I /'/' ~//' ~~ ~~ I ~~~ I ~ y~ //~I /~/ I I - /' /' /' /' /' / L I I /J- // I ~~/' I / / / / ~_/ ~ ,---- / / / / -r--- / - / / / / / / /~ / /~ \-/' /' \ > /-----... I I ----... I ----... I _.--/ ...-1------ ----I ( / I (- '/ / 115 /-- / I Ii:. ~- - /' / ~!f- I /1 q) I I /// ~ I / is ---- ----"'1/ I I If -- -- -- - ----... I 1$-- '- I!/ '- ----... III II' '-~ I -----_______________ I 11/ -----'-II I ..----- ----... II -- '-'-........ 1:/ ----------...----... ........ ! \ II i , I I ___---- I ........ (\ I I 1'- \ \ 1 i '~_-- --- \ \0" ,. " \)? \ l / I \ \ \ 0\ \" J \ \ \ \ ~--r7---------- \ \ \ I I 1 " I \ I \ I ---1-./. - - - - __ - - -- \ I I \ \ I 55" -, \ I I I I 556_ J - - - \ \ \ \\ \ \ \ I \ \ \ eP I ,ROAD 1< Y \ \ i/::' ,_--- , \ I \ \ \ \ \ \ \ \ \ ,___ \ \-~48\ \ I I I I I I } I I ) ~ \ ~ -----~ / /' /' /' /' /' /' /' /' / /' /' ( \ ': j\ ! \ \ ;\ \ 1\ \ 11\\ '- / /f'----... ----... ----... ----... ----... ----... /' // / / / /'/ / /" / / / / / / / / / / / / / / / / // / / / / / // / / // / / / / / / /' I I / /'/' /' I ./ ./ ./PROI'OSED AINAClf: Aft / /' /' /' TO DI ARGE OINT}~ //' /' /' I ( . ./ ./ ./ ./ ./ I 7.23' Ac) ./ ././~" / / / //' /'/' ~.../..) / / I /' /'/' /' / / I / /' /"/" / / 1// /' / \ / / / / ./__ / I I ./ / - I I / I __X \ /1 I II II / \ ~ \ I _---- ~\ C,-- --t-\ \ / / ---------- --J // / / ---------~- /' ( \ ~---- I ,-------- -- - \~ _--- \ \ / \ / I / /-----------\------ ------- \ \c 1 I / I I I \" I I I I ,_------L n- '\ \) g~ I / I / / / / \ \\ \ a..15~ r - J / /) (- - - - r \ / I / /1 / \ '\ \ \ I.J-. / I 1/ / / / / I \ I \ /' I I II I / / -- ---- ---- r I ~ /1 I I / / \ \ \ \ / /1 / / / II II \./ ,\ \)- I 11/ / I ./ \ \ \\ I / / / / I ./--1 \ \ \ I I 1/ I I I II 1/./ ,./'/ - --- \ \ \ \ J\ / I / / / / /: ~ / ~I \\\ \ / / / 1/ 7 - \ \ \ il / / / / / I I I / 1./ /1/ I I II 1 ' / / / / / // I I I I I I FU,itURE PHASE I // // // I/'/ I I I I ) , , -.. I ./-r I III / / I / / I I I / I ./ \ \ I / / / / / I I I I ,// \ I ( / / I I / / // // /f/ \ \ I I I / / / / I I /, / \ \ \, \ I / / / / I // II I II I 1./ \ \ ^ \, I I I 1/ /1 I / / // / J/ \ I / / I 1"./ \ \\ I I I / / / I 1./ I / t I \ \ \ \ II I I I I / / / / / / \ \ \\ \ I I I I r I I ./ I )\ I \ \ \\ \ V I I I I I (II /./ /1 / ')/ \ \ \ \~ \ I I I I I I ( III /1./ / /~>// / \ \ \ \\ \ I I I I I I I I / I / ~<l_' I \ \ \ ,\ I I I I r / i I / I /? ') / I \ \ \ \ ~ II. / / / I i / i I I I / ,",' I \ \ \ VI ~ \ J I / I I / i / / I I / '!l, ') / j ) If' L 'I:-- I / / / / / / / / / / ~, I r ' , I \ \ I i / / / / I / I I 'I '1:. I I r I "Y" _ ~~ \ I / i / / / / I / / /\ '1(1 I I , t./ '- \~\ \ \ {, / I / / / / / ".,I{; \ 1 I f ././ / - '\ \:"f-} \ \ \ \ \ ( / / / / / / \X \ \ f vr / / _____ _ \ ( \ \ \\ \ \ \ \ I / I I / / I \ ~,f /I \ \ / _____ \ \ \ \ \ \ \ I I I I / / / \/ \ I ,. \ \ \ \ I I I I / / / ~ 1 I \/ \~I \ \ \ \ \ \ \ I I I / / / \\ I ~ ] \\ \ \ \ \ \ \ I I I / \ \\ I J, 1/- - _ _ _ \ \ \ \ \ \ \ I I I I ( \ \ \ '& I f '- / \ '~I \ \ \ I \ \ \ \ \ \ \ \ \ \ \~ I L I / ~ I I \ \ \ \ I \ \ \ \ \ \ \ '\i- f ~\-- J I ~ _ \ \( I I I I \ \ \ \ \ \ \ \ \ \ ~ I I - -1"\\ I I I I \ \ \ \ \ \ \ \ \ \ z! I \, \ I \ \ \ \ \ \ \ \ \ \ \ \ m;;l.l 1/ / / - - - - - '\ I I I \ \ \ \ \ \ \ \ \ \ \ _a.:_td I / - - ~~ I I \ \ \ \ \ \ \ \ \ \ \ \ \- '"., \ \ \ \ \ \ \ \ \ \ - / / - - - ,\ " \ \ \ \ \ \ \ \ \\ I \ I / / - - < \ \ \ ,I , ------~ '\,. \ \ \ \ \ \ \ ' -- \ \ \ \ ---.. \ \ ( ) I 1/ // / I / I / I / I 1/ I / / I I I I I I I I I I I I I I / I I I I / / I I I I \ I I I \ \ \ \ I \ \ I I I \ I I I \ \ \ I \ I I I I \ \ -- ----... /'--- /' /' / ----... ----... ----... ----... ----... ----... '-- -"\ ----...----... //'~--------\ ----"'----...----... / '"'------... /' ~----... / /--------- '\ ----...----... ----...- / / - \ ----... - / -----... / ----- -- \----...----... --------..----... \ -\ ---------- \. \ '\ '--. '\ '\ 0'0 '\ \ \. Uo> '\ " \. " \ " / / ----... ----... - \ ( \1 It" \ J - - - - - \,J -- \ ( /' __________ \ I ~ //l / / / / (", / / / I /Y..J / / / / / / / / / / / / /'/' /' /'/' /1 / /' / /' /' / / /' / / /' ~ '- '- '- ........ '- / / / / / / / / -------- ~~ / / / / / / / / / I / ~--~\. ~ \ \ \ / / / / / ------- /~" \ \ \ \ \ \ \. "" "" "" "" ~ / / / / / / /' / / / / \ '\ ----... ----... ----... ----... ----... / / / \ // )/ / \ / /' / \ // '\ /' /' /' /' / / / / - -r:.::::;: --- ---- /' /' / ./ /FUn;.~BuILrn~G ~ / '--- / / / / /_~----560---- ------- / / /' / ------------' ./ -- ~ ~ -=- ~ -=-'t-=- - - ..... - ./ru'TUfiE ./BU~I'lG ./ ./ ___-~/\(--- /' / /-----1-- '<::.1\ --------/ /'/ // - -........,,\( --/ /'/ / ---- / ----- "" \ -- ~/ // L-- ----\"'[-- ------- /' // - ~~ ~~ ' ./ J ~ / - /'--- --- -- } ----=--- ----_/' / ---- ---- ---- ---- / -l- ---- - ---- ---- / -- --__/~~^I /~~ //-~ ./ - ' /~~ _/~- ./ ____ --" I ---- ---- / /' -\ ____ ---- ---- \J ---- ~ ---- ~ ~ ~ ~ ~ ~- ---- ~/ -_/ ./ . / ' ______ _ - - 50' // -1----~~'" ,p.=- ~~.- ~ -:: -//-/-/ ./ --~ ,', /- ---_/~ ~/ ///- .. / ./ _ _ / -pKoP_ BUIlJlIKG " ",.., ' , Ff 571.0 (SECOND fLOOR1- - - ~ '::"~~~". _ _ _ -fF-5&"3-;O (fiRST flOOR) .;:...~..::.:: / / /' / / /' ./ II // I( \ \ ~, I I ........ ----- / '-- ---.. I I I I I , ,. / / / // t') DO o < z o 0=: C> o Z / / ,.,-/ / /' / ;,,/' I I I ( / \ / ) / I CCCC - PROPOSED DISCHARGE POINT PROPOSED WEIGHTED CUR A IMPERVIOUS AREAS VE NUMBER CALCULATION LAND USE TOTAL AREA BUilDING AREA (A) CN (acres) PAVEMENT 0.75 98.00 \ GRASS 3.57 98.00 2.91 65.00 (HSG B & C, WOODS, GRASS) 7.23 CALCULATE THE WEIGHTE . D WEIGHTED CURVE NUMBER- Weighted CN=SUM (AFlc: CNi)0J1(5 x 98 ) - + ( 3.57 x 98 ) + ( 2.91 x 7.23 65 ) Weighted CN = la = 85 0.353 Impervious Fraction = \ '-------------- 0.598 -- --- -- -- --- -- --- - C1\WtlSIJR. \60'-RfW} -- (\ l \ / \ / \ ---- o ~ Z08~ - I'~ I '-N~ #ttII ..... I N ~ I- CD tt) 1&1 -0 ::::>> CD ....... Cl)1'0) 1.1 ..NO; ... ~ -c( ......, Z iiZ .. Q..JX O~ _ ..... IX *_ C)-C( ~QON ..... .- Z :r:O CI)""tt) IX IX I I.. ..... 0 I' ... ~Z ~ ~ ..I' #ttII :r: ....... ... 0 S! 0) CO..... .- O)..JO) ~ -c( ......, IX 1&1 f YOU 48D1~OUCALLRS BEFORE 81 ONE CALL 1 OR 1.800.632.4949 (TOLL FREE) Cl. ~ ~ ..... ..... ..... la.J 8 ~ ~ ~ ~ ~~<C --.. ::) ~ J oz~ a:::;:)...J 0 ~oo Q (,) _o~ (I)~o ~ ~<Cj:!: Q - i!=a::: i i<Co la.J o::J:z F-O V) ~ 0 ..... Cl. ~ 0 ~ Q:: ~ Cl. (,) ~ Z I.LI :::::i o REVISED DATE: 10-06-08 DRA'1tt4 BY: TRS CHECKED BY: BAR , 50 25 FBK: CHF: SCALE ... 1-.50 FT. \€R 1-. - FT: 1 07-550