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Last modified
1/25/2010 6:48:30 PM
Creation date
10/5/2006 1:18:17 AM
Metadata
Fields
Template:
Floodplain Documents
County
Summit
Community
Breckenridge
Stream Name
Blue River
Basin
Colorado Mainstem
Title
Technical Addendum Floodplain Information Blue River
Date
12/1/1974
Prepared For
Summit County
Prepared By
Leonard Rice Consulting Water Engineers, Inc.
Floodplain - Doc Type
Floodplain Report/Masterplan
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<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 /> <br />- 34 - <br /> <br />there will be a serious erosion problem due to flood flows in <br />this area. The channel elevation should be controlled with a <br />drop structure at:this location, or the channel cleaned to pro- <br />vide a smooth slope from the Four Seasons Dam to the next pond <br />downstream. <br /> <br />As mentioned previously, the Four Seasons Pond Dam does not have <br />an adequate spillway capacity. The existing spillway should be <br />enlarged so that the IRF flood can be passed without overtopping <br />the dam. <br /> <br />SUMMARY <br /> <br />The recommendations contained in this ~eport have been based <br />upon the drainage function only and other factors such as utility <br />crossings, transportation system requirements have not been con- <br />sidered. The recommendations should be considered preliminary <br />and additional detailed design engineering is required to <br /> <br />finally establish design criteria. <br /> <br />Through a program of gradual replacement, coupled with immediate <br />enlargement of the channel where required, the flood potential <br />through the town of Breckenridge can be reduced. It should be <br />pointed.out, however, that a flood potential exists from the various <br />tributaries to the Blue River through the town, such as Lehman, <br />Sawmill and Illinois gulches. The structures along these tribu- <br />taries should be sized for the IOO-year flood as well. The flood <br />flows are listed in Figure 2. <br /> <br />'. <br /> <br />~ Leonard Rice Consulting Water Engineers. Inc. <br />
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