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<br />FLOOD,CONTROL
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<br />approximately 2,3 miles of stream. The t ''/Pr s,
<br />project was funded through a developer \\~: u
<br />repay agreement where the Stonnwatert i' c
<br />Utility, Parks and Recreation'~, ': s
<br />Department, and the developer each j .:. r:
<br />paid one-third of the cost. Since each if '(< c
<br />party has an interest in the study, this Z ,f:
<br />arrangement worked well with regard to $.' a
<br />all three parties feeling involved and :t c
<br />"buying in" to the project, . r
<br />1-
<br />Stability studies have been conduct- (
<br />~
<br />ed throughout Fossil Creek in response ~ t
<br />to development proposals; Le" as a ~ '
<br />development is proposed a stability'!'
<br />, study of the adjacent stream reach is
<br />conducted, Although the City has had
<br />good experience with maintaining the
<br />consistency of the reach-by-reach stud-
<br />ies, it is recommended that if possible,
<br />the entire stream system be analyzed at
<br />once, Although this would be a larger
<br />up front cost, study consistency would
<br />be more easily maintained,
<br />For example, a problem that was
<br />encountered during the study was
<br />accounting for the tributary inflows of
<br />sediment and water that were addressed
<br />in separate studies, For example, the !:
<br />. . ...... ~~ ...~...~ ~. 1.
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<br />bank by lateral migration of the channel;
<br />and, 3) increased seepage to the channel
<br />bank,
<br />Level III analysis is the most detailed
<br />and involves the application of comput-
<br />er models such as HEC-6, Level 1lI
<br />analysis was not appli~~ to Fossil Creek.
<br />~.~ ~'"(,,'H.l' ,;
<br />
<br />Budget and Project Management
<br />The City of Fort Collins, Stonnwater
<br />Utility subcontracted the work for the
<br />stability study to Lidstone and Anderson,
<br />lnc, (L&A) of Fort Collins, CO, The total
<br />cost of the project was ah?ut $24,000 for
<br />~~: '.;~ t: '_', <" ;;*~',-_,,'>'1~';.;~t:'t:,,;w~~i;
<br />
<br />
<br />For More Information, Circle #34
<br />
<br />36oMarchIApri/1996 .
<br />
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<br />For More Information, Circle #35
<br />
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