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WSP06675
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Last modified
1/26/2010 2:23:51 PM
Creation date
10/12/2006 1:47:49 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8102
Description
Arkansas River Basin Basic Hydrology
State
CO
Basin
Arkansas
Water Division
2
Date
4/1/1975
Author
Corps of Engineers
Title
Detailed Project Report - Holly-Colorado - Arkansas River Watershed-Colorado - Report
Water Supply Pro - Doc Type
Report/Study
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<br />26 <br /> <br /> <br />OC2257 <br /> <br />. <br /> <br />. <br /> <br />lllight s,ris.e f1'Om ?'we Butte C1'eel< flowing f1'om the SQuth, Below High- <br />'ITa.:[' 82. the levee height P1'ovNes,thr'ee feet of freeboard. Although <br />benefits' are not t...ken, the levee heigh'b :i:s adequate to contain <br />standard project flows with no freeboard, <br />Foundation excavation for levee construction would be minor <br />throughout much of the levee reach, consisting of stripping to remove <br />annual-type vegetation and scattered brush, The levee alignment east <br /> <br />of Colorado Highway 89 crosses an inac~ive garbage dump area. Founda- <br /> <br />ti~n excavation will be required in this area to remove and dispose of <br /> <br /> <br />buried garbage and debris, <br /> <br /> <br />As shown on. Plate 5. bank protection will be provided along the <br /> <br /> <br />Arkansas River from a point 1,800 feet south of the AT&SF Railroad <br /> <br /> <br />tracks to Colorado State Highway 89 to account for the commingling of <br /> <br /> <br />Two Butte Creek and the Arkansas River at this point. Bank protection <br /> <br /> <br />will also be provided at each bridge along Wild Horse Creek, <br /> <br /> <br />At the points where the levee is intersected by Colorado Highway 89 <br /> <br /> <br />s,nd the county road, road ramps will be constructed over the levee. <br /> <br />Concrete abutments will be built at the AT&SF Railroad tracks and U.S. <br />Highway 50 and stop-logs placed between them to protect against flows <br /> <br /> <br />having ~ exceedence interval greater than 25 years, <br /> <br /> <br />As shown on Plate 5 ,two ponding areas' will be formed as a result <br /> <br /> <br />Of requi1'ed levee bo1:'1'ow, These a1:'eas' will be utilized to pond in_ <br /> <br /> <br />terior drs,$ns,ge runoff, Thedes:i:gn frequencies for interior drainage <br /> <br /> <br />We1'e selected based on criteria p1'esented in EM 1110~-l405. Both <br /> <br /> <br />areas are re'1,atively low valued agricultW'a.l sections, Damages from <br />
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