FLOOD04002

• County: Jefferson
• Community: Golden, Jefferson County
• Stream Name: Clear Creek
• Basin: South Platte
• Title: Major Drainageway Plan - Clear Creek: Youngfield Through Golden
• Date: 2/1/1982
• Prepared For: UDFCD
• Prepared By: Wright-Mclaughlin Engineers
• Floodplain - Doc Type: Floodplain Report/Masterplan

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VllI-12

2. The edsting wdll dlong the north bank upstream of foro Street is coo-
structeoOfprecilstconcrete twin tee structuresdpparentlycableo tOdn
un~nown found at ion mass. rhe <lct ion of n igh ~e 10e ity f \ood waters on
these precast pMle I s could sever th~ found at ion cables and the panels
woulo impair the Channel conveyance and leave tne apartment builoing
exposetJtodamage. fnerefore, replacement of tniS>lall "itha2:1ri;Jr<lp
slope Ilas been inCluded witn the cost of channel improvements in Reach
L

3. Downstredmof Ford Str,"et, tn," existing heddgate and diversion channel
for the Agr icu Hurd I DitCh \0100.1 1 d ha~e to be re locateo under the proposed
Channel impro~em"nts alternat i~es, (lnll this has been inc ludeo in the al-
ternati~e costs.

FLOOO?ROOFING OF MUNICIPAL STRUCTURES WITH REMEDIAL IMPROVEMENTS

Floadproofing of Municipal Structures
To provide a less costly structur(ll altern(ltive under whiCh flood damag,"s are
reduced bllt not e 1 im; nated, f lOO<:lproof; ng of ex; st i n~ city-owned s truCtllreS
was analyzed a lon~ with s\!vera I immeo iate remed idl imprvvemenls. Tn\:; is a
reasonable alternative sinc\! a significant portion of the laO-year flood
odl:1ages is attributdble to the municipal structures.

Under th;s alternative, tnefollowingbu;loingswouldoefloodproofed:

o TheMunic1(lal:lui1aing
o The Librdry
o Tne Recreation Center
o The Water rreatment Plant Filter Building
o Tne Jefferson County Attorney's Office
o Tne Jefferson County Police Training Center
o The Mitcnell School and Annex Build;ng

Floodproof;ng m~asures woula Das;cally ;nvohe tn~ design dnd placement of
permantnt or remova~la \'Idt~rt 19nt c losuras at ex is! in!! aoors, windows "nd