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FS9901-CS 990617 CDC Trecking Code: ~.1~.-f'.q.4~l~ O'/~l~q- I {To be S~l~li~d b~ ~plain Admlni~am') STANDARD CDC FORM - PART 1 (To be filind out by Applicant or Applicant's Representative and submit~cl to the appropriate local (X)C/Floodplain Adminis~-ator. If an ITP is granted, the CDC/Floodplain Administrator will se. nd P~'t I along with Pazt 2 (unless an exemption is granted), the I'I'P form, and thc Preliminary Technical Review (if requested) to the ~ designated on thc ITP form.) I. Applicant's Representative. Identify pczson knowledgeable of and authorir.,nd to respo~l to questions concerning data provided by the Applicant. Name: Walter E. Sk~l~th. Relationship to Applicant: Consultant Engineer Address: 8616 Nortl'n~est: Plaz~ Dr. l~llas, Tex~s 75225 Telcphone/fax/c-maih (2]./4) 3/46-6220 / (2]./4) 739-0108 / 2. CDC AppUcant: Kel~z Jord~'t City/County: Property Owner: CoDI~ll C~t~zn A~sets Engineer: Halff A~sociates. /nc. Project Name: W~'~dsor E~tates Project Size (total acres): 15.78 Upper Trinlty River Feasibility Study Mapping Grid [D : U'f 0~56 cet MAPSCO and t,ocaflon Reference: ' ].B, Deforest= Rd. 3. Location. Provide general description of location, including s~cot address, ncar~t cross-s~eet, and identified impacted water bodies: Mapsco page lB; end of Deforest Rd.; MacArthur Blvd.; Denton Creek 4. Siteplan. (a) Plcaseattachalocationmap(81f2xll). Plans attached: g]Yes [~No (b) Please attanh a general site plan (8 l/2x I1). Pinnsattached: KIyes f'lNo S. Proposed Activity: (check appropriate categories) f-I dredge/channel mndif~.ation 1~ swale constn~ion [] fill f'l levee C]othes (auanh explanation) 6. Proposed Use: (check appropriate categories) 1~ private single dwelling(s) f-I private multi-dwelling(s) I-I public f~ commercial [] indusu'ial [] othec (attach explanation.) ?. Applicant requests an exemption or vartanee to common permit criteria. [] Yes ~=1 No [ Please attach ~upporting material ] Application is hereby made for a Corridor Development Certificate (CDC). I certify that I am familiar with the Information contained in this application, and that to the bast of my knowledge and belief, this information IS true, complete, and accurate. Signature of CDC~Applicant or Applicant"s Representative / Typed Name / Title Date CDC Tracking Code: ~b {'. CDC - PART 2 ~1~ Hyd~l~yd~ulic ~o ~ fill~ out by Applier or Applier's ~p~n~dvc and sub~t~ to ~e app~a~ I~ C~plain ~nis~ator. ~e C~pl~n Adminls~t~ ~11 ~nd will ~ P~ 2 along P~ l, ~c ~ fo~, ~ ~e ~imin~ T~hni~] R~view (if ~) m ~e ~ d~/gna~ on J ~ ~o~.) General. CDC Applicants are requited to provide thc following detailed hydrologic and hydraulic information for all prope~d projects within the CDC Regulatory Zone of the Trinity Rivet Conidm'. This form and the data provided by the CDC Applicant berein are required to supplement Part ! of tho Application Form. However, in certain cases the City/County may relca~ the CDC Applicant from completing all or portions of this form if the proposed project satisfies specific provisions. The CDC AppUcant is encouraged to schedule a pre-appUcafion mcetng with the City/County if there are any questions regarding the requirements of the City/County. This application is considered public information and will be dis~ibuted to affected Federal. State, and IocaJ governmental agcncins. Flease be as complete and concise as possible. Incomplete information eJn cause delays in the CDC process. 1. Site Plan. Please attach a detailed site plan. Plans attached: ~ Yes r'l No The scale of projec~ plans shall provide adequate detail of the whole project as well as individual features of the project. The plans should show the location of the FF-.MA Regulatory Floodway and the layout of cross-sections used in thc hydraulic model. Proposed changes to thc Floodway should be clearly shown. 2. Operation and Maintenance. The operation and maintenanc~ of flood water conveyance systems, conveyanne alterations, storm water control sm~ctums, equipment and appurtenances, and wa~t quality cunt~ol measures will become the obligation of: (check one) I=1 City I'1 County gl Owner [] other (specify): The annualiz~l cost, including replacement costs, or'operating and maintaining post-project storm water con~'o! systcn~, conveyance alteralions, and water quality control measures is estimated to be in current year dollar~: ~].4 ?+00. Legal provision for community monitoring and ba,'kup mninte-ance attached? I'1 Yes (Required if maintenance is to be accomplished by an agent other than the permitting entity) STANDARD CDC FORM PART 2 - CONTI~L~ED 3. Hydrologic/Hydraulic Xnfornmtion. Please provide the following data to characterize the hydrologic and hydrdulic impacts of the proposcd project: ~ 100 YEAR FLOOD EVENT Hydrologic ! Hydraulic Impact . . P.r~.ProJnct ._ Post-Projact Change Discharges: Upstream Boundary' 2:308:3. els. N/A N/A Downstream Boundary: 10.39~* cf~ N/A N/A Date of discharge data: Jarp ~r'9' 199~) . ¢lrannel Veioclttes: upstream Sound~: 2,95 fps. 2.99 ~ +0.04 fps. Downs~amSounda~. 6,60 fps. 6./+0 fps. 0.00 fps. Water Sod'ace Upstream Boundary (UB): ft. ft. ft. Elevation (NGVD): 453.29 /+53.7-3 .0.06 Mid-project: /-~57-. 61. Downstream Boundary (DB): 450.83 fi 450.82 ft. .0.01. fit. 540 ft. upstream of rd'B: 453.37 ft' 453. :37. ft- .0.05 fi . '~:,~ fi upstream or' LFB: 453./+1. fit. 453,36 fi -0.05 fit. .750 ft. upsn~un of UB: /+53.53 fi 453.49 fi- -0.04 fi _~OcJO fi upstream of UB: 453.57. fi ~,53.48 fi -0.04 fi 100fi dowmUoam of DB: 6,50.59 fi 450.59 fi O.00 fi 48Ofi downsm~m of DB: 450.06 fi 450~05 fi -0.01 fi 12__~fc downstream of DB: /~9. l/~ ft. ~85C) fi downsmeam of DB: 447.90 ft. 447.90 ft' 0.00 f' Pro jeer Lsnds in 5.93 ac. ac- Floodpl~dn: 13.90 ac' 7.9 Valley Storsge on 43.43 ac-fi 47.13 ac-fi +3.70 ac'fi Projeet Lands: 8.52 The CDC application shall include plots and electronic data filns fi.om the curt'tnt hydraulic model (HEC-RAS. obtained Rom the USACE) of cross-sections for pre-project and with-project conditions. Water surface profiles for 100-year Ilq:~d and Standmd Project Flood for pre-project and with-project conditions should also be included. The number and location of sections should adequately describe and support documented computations. Cross section plots attached? ~1 Yes O No Cross section electronic data.flies included? ~1 Yes I-I No Water surface profiles attached? ~ Yes gq No * Not:e: D~.~eharge~ £c.,.'n ~p1.~.r Elov ann~.ys£$. See report for more STANDARD CDC FORM PART 2 - CONTINUED 4. Flood Starage/Hydroulle MitigaUon. Please identify all flood storage and tuber hydrologic/hydraulic mitigation areas on the site plan, and describe them in the space below: Swale used for conveyance, m/~gatton to offse~ s~ne vnlley storage lost, end mitigate rises ~Rtich were Pond used only for valley storage mit/Bat/on. $. Habitat/Wetland Mitigation. Ifa Section 404 Fermit is required, please id~ti~ all habitat and/or land resource area used for environmcntel mitigation proposes on the sir.. plan, and desoriha them in ~ ~ below: 6. Land Cover Information. Please provide tbe follo~ng data. in total acres, to characterlz~ ~e impacts on cm~ent land cover which will result from conslrumion of the proposed project: --- LAND COVER INFOR~MATXON Land Use / Land Cover C1a.~,~fication ** Pre-Project Post-ProJect (Total Acres) (Total Acres) 100 urban/built up 9.27 200 agricultucal/pastem 300 rang¢land/shmb & brash 1l. 63 400 for~t/gmodlands 3.06 [. 500 water (idcntif,/on site plan) l. 09 2.35 600 w~tland (identify on site plan) 700 bah'eh land/mines & quarries tke land as~ and land co.ir ¢ltzetiflcatlon of ll~ ~1.$~ Cteolotical Sutx~y. fJ.~ D~l~rtm~t o~ tlt~ Interior. ~kis data moy be rtquirtd by tke ~.~. Army Corps of ~ntineers and other r~t..t~tory To the best of my knowledge, +he information in Part 2 Is complete and aecorate: ~ D~te.r.E. Sk.i. pr4'J, th, P.E., V~.ce Pres. June 17,'1999 Signature of CDC .~ fpplicant or Applicant s Representative/Typed Nam~/Titlo Date ~TANDARD CDC FORM PART 2 - CONTINUED ---500 YEAR FIS FLOOD EVENT ---~ Hydrologic / Hydraulic Impact Pro. Project Post. Project . CImnge Discharges: Upstream Boundary: 36200* cf$. N/A N/A Downs~am Boundary: 1/4]./40' cfs. N/A N/A $ource ofdischargedata: I~m.~.,~ /-fnr~ & A.~,~nt-i~r~ Data of discharge data: Jauuar~ ChannelVeJoeitles: Upstream Boundary: 4.11 fps. /4.].5 fps. · *0.04 q~. Downstream Boundary: 6.95 fps. 6.95 fps. 0.00 q~- Waler Surface Upsuesm Boundary ('cJB): 6~5/4.37. +0.09 Elevation (NGVD): /445/4.23 ft. ft. f~ Mid-project: /453./47 ft. /453./47 ft. .0.00 ft. Downstremn Boundary (Da): /45].. 58 fi. /45].. 57 ft. -0.01 f~ 5~0 fc upstream of UB: /45/4.37 ft. /45/4./47 ft. +O. ].0 ]2,6~. upstream of UB: /45/4./4]. fi- /45/4.52 fc *0. ].! ft. ].7.~fc upstream of UB: /45/4.68 ft. /45/4.79 ~ *0. ].]. fL 209_0 fy. upstream of UB: /45/4. ~/4 fi. /45/4.75 ft. -tO.].]. fL 1(¥) fl. downsu'cam of DB: /45].. 27 fl. /45].. 27 ~ 0.00 /~ fi. downstream of DB: /450.62 ft. /450.62 ~' 0. (30 ft. L 2~Q ft. downstresm of DB: /4/49.65 fi. /449,65 ft. 0.00 ft. 28~0fi. downstream of DB: /-~8./48 fi- /4/48./4~ ft. O. 0~) ProJect L~nds in '1/4. ].8 ac. 6.25 nc. -7.83 ac. Floodplain: Valley Storage on 53. ].8 ac-fi. 5].. 50 ac-~ -1.68 ac-fc ProJect Lands: 3. ].6 The CDC application shall include plots and elec~'oni¢ data files from the current hydraulic model (LIEC-RAS, obtained from the USACE) of cross-sectlons for pre-project and with-project conditions. Water surface profiles for 100-year flood and Standard Project Flood for pre-project and with-project conditions should also be included. The number and location of sections should adequately describe and support documented computations. Cross section plots attached? t~ Yes 0 No Cross section dectronic dala f'des included? i;I yes 0 No Water surface prof"des atfached? f-I yes RI No * Not:e: See p£evious Figure 1: Location Map .....n~ au-pm~u-~--- -- ~.,.-.~,. ~...~.~, ~, ,..._-_.~ ...... _ PROJECT LOCATION CARROLLTON .- p O --:ELI , ~ ~ ,' U V ~DY.~ ~ E ~ ~D~ ( ~.-. ~ ~ .... ~ ~'. .. ' '~ ~~~~~n 0 PPEL~L ..... t -~- . .- ~'~.~ _~~~ ~ ~ ~ ...... , ~ · [~ ~ ~;~ ...~,! ~ I ~-~,, ~., -