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FLOOD01568
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FLOOD01568
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Last modified
11/23/2009 1:02:50 PM
Creation date
10/4/2006 10:07:14 PM
Metadata
Fields
Template:
Floodplain Documents
County
Pueblo
Community
Pueblo
Stream Name
Arkansas River
Title
Technical Report, FIS Revision for Pueblo
Date
3/1/1981
Prepared For
FEMA
Prepared By
MSM Consultants, Inc.
Floodplain - Doc Type
Floodplain Report/Masterplan
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<br />. <br /> <br />. <br /> <br />A more detailed basin study conducted by KLH Engineering <br />Consultants in March 1979 entitled "Wild Horse Dry Creek <br />Flood Hazard Study" did not independently calculate existing <br />flood discharges therefore, a comparison is not <br />justifiable. The KLH Study did however calculate future <br />discharges for proposed full basin development. For the <br />lOa-year flood the future peak discharges were from 23 to <br />29% more than existing conditions. Since it is not <br />anticipated that the future conditions hydrology will be <br />existing until after the year 2000 the KLH Study offers no <br />findings that conflict with the previous COE work. The CaE <br />work is therefore considered applicable for use in the FIS. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />Hydraulics <br /> <br />. <br /> <br />For this determination the most recent HEC-2 runs supplied <br />by Dames and Moore which best reproduced the results of the <br />COE work were run on the MSM computer. This computer model <br />was reviewed and found to be in error at the 11 th and 18 th <br />Street bridges. The 11 th Street bridge problem concerned <br />the trapazoidal opening for the special bridge routine and <br />was easily corrected. The 18th Street bridge geometry used <br />in the COE model was for the old bridge structure which was <br />replaced in 1975. Using construction plans supplied by the <br />City, the new bridge geometry was added to the hydraulic <br /> <br />. <br /> <br />. <br /> <br />. <br /> <br />-10- <br /> <br />. <br />
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