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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
Metadata
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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 />PAGE <br /> <br />9 <br /> <br />O.F. <br />27.00 <br />217. <br />6.45 <br />.000000 <br /> <br />CHANNEL AND FLOW <br />5.30 4934.40 <br />14 _ 177. <br />.04 .06 <br />1305. 1250. <br /> <br />OVER THE <br />0.00 <br />26. <br />.02 <br />900. <br /> <br />ROAO. <br />0.00 <br />351. <br />.050 <br />o <br /> <br />4934.40 <br />2871. <br />.040 <br />o <br /> <br />.00 <br />1043. <br />.050 <br />o <br /> <br />.00 <br />64. <br />0.000 <br />0.00 <br /> <br />.00 <br />35. <br />4929. 10 <br />1440.52 <br /> <br />4930.00 <br />4930.00 <br />986.67 <br />2427.18 <br /> <br />1490 NH CARO USEO <br />*SECNO 28.000 <br />3685 20 TRIALS ATTEMPTEO WSEL,CWSEL <br />3693 PROBABLE MINIMUM SPECIFIC ENERGY <br />3720 CRITICAL OEPTH ASSUMED <br />QT-CHANGES: UPSTREAM FROM LOSSES AT XS 27. <br />A LARGE BUILDING EXISTS ABOUT SO FEET DOWNSTREAM FROM THE RAILROAD. XS'S <br /> <br />28 & 29 ARE S & N OF THE BUILDING. RESPECTIVELY. THREE SECTIONS (28.1. <br />28.2,&28.3) WERE LOCATED ACROSS THE LONG & WIDE BUILDING TO ACCURATELY <br />DEFINE THE EFFECTS ON FLOW. THERE IS NO BACKWATER EFFECT ON THE RR <br />EMBANKMENT SINCE IT IS FAIRLY HIGH. FLOOD WATERS FLOW AROUND THE <br />BUILDING AND ELEV$. ARE HIGHER AND THE FLOW PATH IS WIDER THAN <br />COMPARED TO A "NO BUILDING" SITUATION. XS 28 WAS PARTIALLY BLOCKED <br />OUT AS A NON-EFFECTIVE FLOW AREA; XS29 WAS NOT MODIFIED. <br />28.00 .62 4935.82 4935.82 0.00 4936.06 .25 <br />492. O. 492. O. O. 124. O. <br />6.52 0.00 3.98 0.00 0.000 .045 0.000 <br />.038204 1010. 1010. 1020. 20 20 0 <br /> <br />.00 <br />115. <br />0.000 <br />0.00 <br /> <br />.07 <br />55. <br />4935.20 <br />254.79 <br /> <br />4938.00 <br />4938.00 <br />1105.21 <br />1360.00 <br /> <br />1490 NH CARD US EO <br />*SECNO 28.100 <br />28.10 1. 53 4939.53 0.00 0.00 4939.61 .08 3.53 .02 4940.00 <br />492. O. 492. O. O. 215. O. 117. 57. 4940.20 <br />6.58 0.00 2.29 0.00 0.000 .045 0.000 0.000 4938.00 1074.52 <br />.003019 490. 480. 480. 8 0 0 0.00 150.48 1225.00 <br />1490 NH CARD USED <br />*SECNO 28.200 <br />3265, DIVIDED FLOW <br />28.20 1.90 4940.10 0.00 0.00 4940.24 .14 .61 .02 4942.56 <br />492. 1- 491. O. 2. 162. O. 118. 58. 4942.00 <br />6.59 .51 3.03 0.00 .050 .041 0.000 0.000 4938.20 1018.63 <br />.007014 138. 138. 138. 4 0 0 0.00 183.08 2047.51 <br />1490 NH CARD USED <br />*SECNO 28.300 <br />
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