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Last modified
1/25/2010 6:25:31 PM
Creation date
10/4/2006 11:11:57 PM
Metadata
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Template:
Floodplain Documents
County
Weld
Community
Windsor, Laku Landing
Stream Name
Cache La Poudre River
Basin
South Platte
Title
HEC-2 Study of Laku Landing
Date
2/4/1992
Prepared For
Laku Landing
Prepared By
CWCB
Floodplain - Doc Type
Floodplain Report/Masterplan
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<br />Summary of Results <br /> <br />11 <br /> <br />. <br /> <br />S~;ti~~ b,fl.'ltlng t~~._ !,!',ater (;,?nstructaQR ~.ater Difference Zffutmg .t; roposea Difference <br />Surface Elevation Surface Elevation Velodty Velocity <br />129630 4- 758.3 4.758.3 0 .,9 .,9 0 <br />130980 .759,9 4759.9 0 6.2 6.2 0 <br />132030 4761.8 4761.8 0 1.6 1.6 0 <br />133300 .763,. .769,. 0 9.1 9.1 0 <br />1364-50 .767,. 4767.4- 0 1.6 1.6 0 <br />137000 4-768.8 1.8 <br />137100 4769.3 1.8 <br />139690 4769.9 4-769.9 0 2,7 2.7 0.0 <br />139700 4-770.4- 1.8 <br />139800 4770.6 1,5 <br />139900 1,.770.8 1,9 <br />145760 477..9 .774,6 -0.3 1,6 1,8 0,2 <br />147200 4777,4 .p77.4- 0 8.9 8.8 ~O.l <br />148950 4780,4 4780.3 .0,1 6.2 6.2 0 <br />14-8960 4-780.6 4780.6 0 5.0 5.0 0 <br />149580 4781.3 4781.3 0 2.9 2.9 0 <br />151100 4- 782. 8 .. 782.8 0 7.0 7,0 0 <br />152250 4785.2 4785,2 0 7,9 7.9 0 <br />152300 4785.5 4785.5 0 6,4 6.4 0 <br />15234-0 4-787.5 4787.5 0 3,1 9.1 0 <br />152390 787.5 1787.5 0 9,1 9,1 0 <br /> <br />Table :1. Summary of Temporary Construction Conditions <br /> <br />lAkulAllding <br />CoNtructioDc.o..ditioaII <br />~on136l5O.OllO <br /> <br />. 4785 <br /> 47'" <br /> .,,, <br />.~ ''''', <br />] <br />. <br /> 4765- <br /> ,,,,,. <br /> 41'55- <br /> 1.00 <br /> <br /> <br />4767.4' <br /> <br />IOSO.25 <br /> <br />21593l <br />"""'- <br /> <br />"""" <br /> <br />GtSJXI <br /> <br />Figure 8. Construction Conditions at Cross Section 136450 <br /> <br />Summary of Results <br /> <br />. <br /> <br />This report has shown that any flood way development at Laku Landing will result in no rise in <br />the water levels of an intermediate regional flood. In addition, a method of creating no change in <br />the water levels was proposed for the completed project which is in accordance with all federal and <br />
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