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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 />OEPTH <br />OLOB <br />VLOB <br />XLOBL <br /> <br />CWSEL <br />OCH <br />VCH <br />XLCH <br /> <br />*PROF 2 <br /> <br />CRIWS <br />OROB <br />VROB <br />XLOBR <br /> <br />WSELK <br />ALOS <br />XNL <br />ITR I AL <br /> <br />EG <br />ACH <br />XNCH <br />lOC <br /> <br />HV <br />AROB <br />XNR <br />ICONT <br /> <br />HL <br />VOL <br />WTN <br />CORAR <br /> <br />OLOSS <br />TWA <br />ELMIN <br />TOPWID <br /> <br />CCHV= .100 CEHV= <br />*SECNO 20.000 <br />THE PURPOSE OF THIS STUOY IS TO COMPUTE FLOOO ELEVATIONS FOR BOXELOER CK <br />OVERFLOW CHANNEL BETWEEN CO RD 50 (1 MILE S DF BUDWEISER BREWERY) AND <br />REENTRY POINT OF D.F. CHANNEL TO MAIN CHANNEL (SHDRT DISTANCE S OF HWY <br />14 E OF FT COLLINS.) THE D.F. CHANNEL RUNS ALONG THE E SIDE OF 1.25. THE <br />SOIL CONSERVATIDN SERVICE (SCS) HAD STUDIED THE MAIN & O.F. CHANNELS N <br />OF CO RD 50. SIMDNS, LI. & ASSOCIATES. INC. ISLA) HAD STUDIED ONLY THE <br />MAIN CHANNEL S 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 CD RD 50. <br />THIS ALSO INCLUDES SEVERAL SPLITTING. COMBINING. & LOSSES OF DISCHARGES <br />BECAUSE OF ARTIFICIAL BARRIERS & FLOWWAY$. <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 FOR THIS STUDY. THE D.F. CHANNEL 0 ENTERS THE MAIN CHANNEL BETWEEN <br />XS'S 21 & 23. <br />DISCHARGES AT THIS POINT ARE RESULT OF LOSSES FRDM ROUTINGS FROM CO RD 5 <br />TO THIS PDINT. STARTING RATING RELATING ELEVS. & OT'S WAS DERIVED FROM <br />SLA OUTPUT DATA. <br />20.00 2.65 4915.65 <br />738. 79. 474. <br />0.00 3.12 4.60 <br />.006997 O. O. <br /> <br />.300 <br /> <br />1490 NH CARD USED <br />*SECNO 21.000 <br />21.00 <br />738. <br />.02 <br />.002525 <br /> <br />4916.60 <br />500. <br />2.77 <br />200. <br /> <br />2.10 <br />115. <br />1. 53 <br />250. <br /> <br />0.00 <br />185. <br />3.12 <br />O. <br /> <br />0.00 <br />123. <br />1. 54 <br />140. <br /> <br />1490 NH CARD USED <br />*SECNO 23.000 <br />3685 20 TRIALS ATTEMPTED WSEL.CWSEL <br />3693 PRDBABLE MINIMUM SPECIFIC ENERGY <br /> <br />4915.65 <br />25. <br />.035 <br />D <br /> <br />0.00 <br />75. <br />.050 <br />3 <br /> <br />4915.92 <br />103. <br />.045 <br />o <br /> <br />4916.70 <br />181. <br />.040 <br />o <br /> <br />.27 <br />59. <br />.035 <br />o <br /> <br />.09 <br />80. <br />.050 <br />o <br /> <br />0.00 <br />O. <br />0.000 <br />0.00 <br /> <br />.76 <br />1. <br />0.000 <br />0.00 <br /> <br /> <br />0.00 <br />O. <br />4913.00 <br />150.30 <br /> <br />.02 <br />1. <br />4914.50 <br />252.62 <br /> <br />PAGE <br /> <br />16 <br /> <br />BANK ELEV <br />LEFT/RIGHT <br />SSTA <br />ENDST <br /> <br />4914.00 <br />4914.00 <br />1044.48 <br />1194.77 <br /> <br />4915.10 <br />4915.10 <br />1125.91 <br />1378.53 <br />
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