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FLOOD03690
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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
Fields
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 />27 <br /> <br />OT FLDWS OVER 1-25 AND IS LOST.CDMPUTERIZED VERTICAL EXTENSIDN DF <br />OF LT DF SECTIDN 27 IS O.K.; IT IS A VERTICAL SEPARATION LINE BETWEEN <br />O. F. CHANNEL AND fLOW OVER THE ROAD. <br />27.00 5.80 4934.90 0.00 0.00 4934.90 .00 .01 .01 4930.00 <br />876. 59. 685. 132. 411. 3167. 1439. 85. 46. 4930.00 <br />1. 98 .14 .22 .09 .050 .040 .050 0.000 4929.10 970.00 <br />.000004 1305. 1250. 900. 0 0 0 0.00 1569.91 2539.91 <br /> <br />1490 NH CARD USED <br />*SECNO 28.000 <br /> <br />3265 DIVIDED FLOW <br /> <br />3685 20 TRIALS ATTEMPTED WSEL,CWSEL <br />3693 PROBABLE MINIMUM SPECIFIC ENERGY <br />3720 CRITICAL DEPTH ASSUMED <br />OT-CHANGES; UPSTREAM FROM LOSSES AT XS 27. <br />A LARGE BUILDING EXISTS ABOUT 80 FEET OOWNSTREAM FROM THE RAILROAD. XS'S <br />2B & 29 ARE S & N OF THE BUILDING, RESPECTIVELY. THREE SECTIONS (28.1. <br />28.2,&28.3) WERE LOCATED ACROSS THE LONG & WIOE BUILDING TO ACCURATELY <br />OEFINE THE EFFECTS ON FLOW. THERE IS NO BACKWATER EFFECT ON THE RR <br />EMBANKMENT SINCE IT IS FAIRLY HIGH. FLDOD WATERS FLOW AROUND THE <br />BUILOING AND ELEVS. 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 1.21 4936.41 4936.41 0.00 4936.81 .40 <br />1602. O. 1602. O. O. 315. O. <br />2.04 0.00 5.09 0.00 0.000 .040 0.000 <br />.025843 1010. 1010. 1020. 20 21 0 <br /> <br />.03 <br />147. <br />0.000 <br />0.00 <br /> <br />.12 <br />69. <br />4935.20 <br />396.64 <br /> <br />4938.00 <br />4938.00 <br />1030.15 <br />1786.80 <br /> <br />1490 NH CARD USED <br />*SECNO 28. 100 <br />3265 DIVIDED FLOW <br />28.10 2.64 4940.64 0.00 0.00 4940.75 .12 3.91 .03 4940.00 <br />1602. t. 1593. 8. t. 583. 12. 152. 74. 4940.20 <br />2.09 .85 2.73 .68 .050 .038 .050 0.000 4938.00 1008.05 <br />.003937 490. 480. 480. 5 0 0 0.00 552.48 2355.53 <br />1490 NH CARD USEO <br />.SECNO 28.200 <br />3265 OIVIDEO FLOW <br />28.20 3.02 4941.22 0.00 0.00 4941 .36 .14 .60 .01 4942.56 <br />1602. 72. 1530. O. 33. 504. O. 154. 76. 4942.00 <br />2.10 2.15 3.03 0.00 .050 .037 0.000 0.000 4938.20 1014.33 <br />.004897 138. 138. 138. 3 0 0 0.00 477.67 2323.66 <br /> <br />
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