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FLOOD03690
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Last modified
1/25/2010 6:28:02 PM
Creation date
10/4/2006 11:56:46 PM
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Template:
Floodplain Documents
County
Larimer
Community
Wellington
Stream Name
Boxelder Creek
Basin
South Platte
Title
Flood Data Boxelder Creek
Date
2/5/1992
Prepared For
Larimer County
Prepared By
CWCB
Floodplain - Doc Type
Data (general)
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<br />92/02/05. <br /> <br />10.01. 27. <br /> <br />SECNO <br />Q <br />TIME <br />SLOPE <br /> <br />DEPTH <br />QLOB <br />VLOB <br />XLDBL <br /> <br />CWSEL <br />OCH <br />VCH <br />XLCH <br /> <br />*PROf 3 <br /> <br />CRIWS <br />ORDB <br />VRDB <br />XLOBR <br /> <br />WSELK <br />ALOB <br />XNL <br />!TRIAL <br /> <br />EG <br />ACH <br />XNCH <br />IDC <br /> <br />HV <br />AROB <br />XNR <br />ICDNT <br /> <br />HL <br />VOL <br />WTN <br />CQRAR <br /> <br />DLOSS <br />TWA <br />ELMIN <br />TOPW ID <br /> <br />CCHV= . 100 CEHV= <br />'SECND 20.000 <br />THE PURPOSE DF THIS STUDY IS TO COMPUTE FLOOO ELEVATIONS FOR BOXELDER CK <br />OVE~FLDW CHANNEL BETWEEN CO RD 50 (1 MILE S DF BUDWEISER BREWERY) AND <br />REENTRY POINT OF a.F. CHANNEL TO MAIN CHANNEL (SHORT DISTANCE S OF HWY <br />14 E. OF FT COLLINS.) THE a.F. CHANNEL RUNS ALONG THE E SIDE OF 1-25. THE <br />SOIL CDNSERVATION SERVICE (SCS) HAD STUDIED THE MAIN & D.F. CHANNELS N <br />OF CO RO 50. SIMONS. LIt & ASSOCIATES, INC.(SLA) HAD STUDIED ONLY THE <br />MAIN CHANNEL 5 OF CO RD 50. THIS STUDY WILL ALSO REDO THE MAIN CHANNEL <br />(WITH ONLY ONE LOW DISCHARGE) PORTION IN THE STUDY REACH. <br />SPECIFICALLY, THE PURPOSE OF THIS STUDY IS TO CONNECT SLA'S CRITERIA <br />(THEIR DISCHARGES & ELEVATIONS OF THE MAIN CHANNEL AT THE REENTRY POINT) <br />WITH SCS'S STARTING CRITERIA (ELEVATIONS & DISCHARGES) AT CO RD 50. <br />THIS ALSO INCLUDES SEVERAL SPLITTING, COMBINING, & LOSSES OF DISCHARGES <br />BECAUSE OF ARTIFICIAL BARRIERS & FLOWWAVS. <br />THE SlA STUDY ORIENTATED All OF THEIR SECTIONS LEFT TO RIGHT WHILE <br />lOOKING UPSTREAM. THIS STUDY MAINTAINS THAT ORIENTATION. <br />XS'S 20 & 21 (PART OF SlA STUDY) ARE IN THE MAIN CHANNEL & ARE KEPT THAT <br />WAY FDR THIS STUDY. THE D.F. CHANNEL Q ENTERS THE MAIN CHANNEL BETWEEN <br />XS'S 21 ,. 23. <br />DISCHARGES AT THIS POINT ARE RESULT OF LOSSES FROM RDUTINGS FROM CO RD 5 <br />TO THIS POINT. STARTING RATING RELATING ELEVS. & QT'S WAS DERIVED FROM <br />SLA DUTPUT DATA. <br />20.00 3.33 4916.33 <br />1026. 149. 527. <br />0.00 3.00 3.88 <br />.003459 O. O. <br /> <br />.300 <br /> <br />1490 NH CARD USED <br />*SECND 21.000 <br />21.00 <br />1026. <br />.02 <br />.002347 <br /> <br />4916.96 <br />650. <br />3.01 <br />200. <br /> <br />2.46 <br />182. <br />1. 78 <br />250. <br /> <br />0.00 <br />350. <br />3.00 <br />O. <br /> <br />0.00 <br />194. <br />1. 79 <br />140. <br /> <br />1490 NH CARD USED <br />*SECND 23.000 <br />3685 20 TRIALS ATTEMPTED WSEL,CWSEL <br />3693 PRDBABLE MINIMUM SPECIFIC ENERGY <br /> <br />4916.33 <br />49. <br />.035 <br />o <br /> <br />0.00 <br />102. <br />.050 <br />2 <br /> <br />4916.52 <br />136. <br />.045 <br />o <br /> <br />4917.07 <br />216. <br />.040 <br />o <br /> <br />.19 <br />116. <br />.035 <br />o <br /> <br />.11 <br />109. <br />.050 <br />o <br /> <br />0.00 <br />O. <br />0.000 <br />0.00 <br /> <br />.54 <br />2. <br />0.000 <br />0.00 <br /> <br /> <br />0.00 <br />O. <br />4913.00 <br />178.27 <br /> <br />.01 <br />1. <br />4914.50 <br />257.10 <br /> <br />PAGE <br /> <br />25 <br /> <br />BANK ELEV <br />LEFT/RIGHT <br />SSTA <br />ENDST <br /> <br />4914.00 <br />4914.00 <br />1036.35 <br />1214.62 <br /> <br />4915.10 <br />4915.10 <br />1123.51 <br />1380.61 <br /> <br />
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