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FLOOD03677
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Last modified
1/25/2010 6:27:57 PM
Creation date
10/4/2006 11:56:06 PM
Metadata
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Template:
Floodplain Documents
County
Larimer
Community
Fort Collins
Stream Name
Dry Creek
Basin
South Platte
Title
Major Drainageway Planning Dry Creek Technical Addendum
Date
4/1/1980
Prepared For
Larimer County
Prepared By
Gingery Associates, Inc.
Floodplain - Doc Type
Floodplain Report/Masterplan
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<br />I <br />I <br />I: I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />II <br />I <br />I <br />!I <br />I <br />'I <br />:1 <br />I <br />II <br /> <br />1 <br /> <br />I <br />I <br /> <br />flood peaks, the canals were ignored in the analysis. The <br />canal embankments are likely to fail under these extreme <br />conditions, and the effect on the flood peak is difficult <br />to predict. That is, the flood peak may be increased as canal <br />flows drian into Dry Creek, or the flood peak may be reduced <br /> <br />should flood levels be high enough to continue to direct flows <br /> <br />into the canals. In either case, for the critical 100-year <br /> <br />event, the effect would be small--perhaps ~ 20%--and should be <br /> <br />ignored. <br /> <br />The frequency discharges determined by these methods at selected <br />points within the study reach are shown in Table V. The hydrographs <br />for Dry Creek at its confluence with the Poudre River and at its <br />juncture with the Eaton Ditch are shown in Figures 3 through 14. <br /> <br />,: ',' ;\j',;: <br />.... i ;- ~\; ~ \ <br />'.I}'.XJ~~:~: <br />----.--'---- <br />
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