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Last modified
1/29/2010 10:15:25 AM
Creation date
10/5/2006 4:29:01 AM
Metadata
Fields
Template:
Floodplain Documents
Designation Number
63
County
Adams
Arapahoe
Douglas
Community
Denver Metro Region
Stream Name
SJCD Basins 6200 North and South, 6100.5
Basin
South Platte
Title
Major Drainageway Planning - Volume I
Date
7/1/1976
Designation Date
11/17/1976
Floodplain - Doc Type
Floodplain Report/Masterplan
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<br />. Use of lined flood channels in order to reduce <br />right-of-way requirements. <br /> <br />. Combination of any of the above. <br /> <br />. Use of flood plain zoning only. <br />. Others. <br /> <br />These alternative solutions were investigated for each subarea <br />reach of the basins. Other solutions were also included in <br />the analysis if they seemed practical. <br /> <br />From this reach-by-reach analysis, alternative basinwide <br />drainageway plans were developed. According to the contract, <br />for each basin, three alternatives were to be evaluated, <br />generally representing three different levels of flood protection. <br />However, three alternatives were not always considered because <br />the nearly complete development of the basins or prohibitive <br />costs limited the number of feasible solutions. <br /> <br />District policy for irrigation crossings requires that storm <br />runoff be separated from the irrigation ditches. In reaches <br />where irrigation ditches cross drainageways, all alternative <br />solutions included a structure to separate the ditches from <br />drainageways. <br /> <br />5-6 <br /> <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />
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