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Last modified
1/25/2010 7:08:33 PM
Creation date
10/5/2006 2:10:17 AM
Metadata
Fields
Template:
Floodplain Documents
County
Logan
Community
Sterling
Stream Name
Pioneer Drainage Ditch
Basin
South Platte
Title
Proposed Near-term Improvements and Operation of Pioneer Drainage Ditch
Date
7/1/1988
Prepared For
Sterling
Prepared By
Charles F. Leaf, PE
Floodplain - Doc Type
Project
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<br />I 10 <br />I TABLE 3 - WEIGHTED CURVE NUMBERS (CN) <br />I AND RUNOFF VOLUMES FOR PIONEER DITCH: <br /> EXISTING CONDITIONS <br /> NODE LAND USE CN WEIGHTED CN TEN-YEAR. 6-HOUR <br />I RUNOFF <br /> ( acre-feet) <br />I 1 Developed 94 <br /> Undeveloped 74 <br />I 77 43.6 <br />2 Developed <br /> Low Density 84 <br />I Med. Dens ity 92 <br /> Undeveloped 72 <br />I 79 98,.0 <br />3 Developed <br /> Low Density 84 (92)11 <br />I Med. Density 91 <br /> Undeve loped 78 <br />I 81 219.0 (221.5) <br />4 Developed <br />I Low Dens i ty 84 <br /> Med. Density 91 (92) <br /> Undeveloped 80 <br />I 82 269.0 (271. 5) <br /> 5 Deve loped, <br />I Low Dens i ty 84 <br /> Med. Density 91 (92) <br />I Undeveloped 80 <br /> 83 355.7 (358.2) <br />I <br /> 11 <br />I With proposed street improvements <br />I <br />I <br />I <br />
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