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Last modified
1/25/2010 6:24:39 PM
Creation date
10/4/2006 10:56:45 PM
Metadata
Fields
Template:
Floodplain Documents
Designation Number
292
County
Adams
Community
Westminster
Stream Name
Big Dry Creek
Basin
South Platte
Title
Flood Hazard Area Delineation - Bruchez Farms Property, Big Dry Creek at Wadsworth Parkway
Date
1/1/1988
Designation Date
3/1/1988
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 />.. <br />I <br />I <br /> <br />9 <br /> <br />other non-flood control reservoir to allow the entire historic lOa-year peak dis- <br /> <br />charge rate flowing Into the reservoir to continue downstream without accounting <br /> <br /> <br />for Inadvertant flood routing through the reservoir. <br /> <br />The UD&FCD has adopted a pOlicy which recognizes this legislation unless adequate <br /> <br /> <br />assurances are given to preserve the flood routing capabilities of the reservoir. <br /> <br />The policy further requires Master Plan recognition of this flood routing capablllty <br /> <br /> <br />and the need to preserve this capability should the reservoir owners attempt to <br /> <br /> <br />make changes which would decrease this capability. <br /> <br />The above policy was adopted by the UD~CD Board of Directors on June 5, 1986, via <br /> <br /> <br />Resolution No. 36, Series of 1986. Westminster has given the required assurances; <br /> <br />therefore, the outflow from the emergency spillway has been set at 1,043 cfs. <br /> <br />Thus, the combined total outflow from Standley lake during the 100-year flood <br /> <br /> <br />event is 1,043 cfs plus 430 cfs or about 1,470 cfs. <br /> <br />Ketner Reservoir <br /> <br /> <br />Improvements to the dam, sp1l1way, and outlet works at Ketner Reservoir have <br /> <br /> <br />recently been completed. The dam Is now considered to be a flood control facility <br /> <br /> <br />and with these completed improvements, the routed peak outflow rate is 4 cfs. <br /> <br />Flna' Discharge Upstream of the C&S Railroad <br />As Indicated above, the peak discharge rate just upstream of the C80S Railroad used <br />
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