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WSP12402
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Last modified
1/26/2010 4:14:55 PM
Creation date
10/12/2006 5:34:58 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
8443
Description
Narrows Project
State
CO
Basin
South Platte
Water Division
1
Date
2/1/1978
Author
Woodward-Clyde Consu
Title
Review Of Data And Studies Developed By The Bureau Of Reclamation For The Feasibility Stage Design Of Narrows Dam Colorado
Water Supply Pro - Doc Type
Report/Study
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<br />Woodward.CIyde Consultants <br /> <br />~- r! t-, r') <br />~0 I ...:) <br /> <br />reservoir capacity, operation and overall designs for the <br /> <br />spillways and outlet works structures and economic and <br /> <br />environmental factors. <br />~ <br /> <br />. <br /> <br />Our work also included the review of three separate <br /> <br /> <br />reports written by Thomas M. Leps, Georg~ Sowers and Howard <br /> <br /> <br />A. Coombs who constituted an indepen~~~el assembled by the <br /> <br /> <br />Bureau for a similar evaluation of ~~~the dam and <br /> <br /> <br />its foundation. Any Significant!,. fferences in'~ <br /> <br /> <br />recommendations and conclusio~/,Om those of the Bureau <br /> <br /> <br /> <br />:::::::'"" a<a oo.a<a' by o~ ~~a "'00"'0"' '" ,h', <br /> <br /> <br />3. General the ~nd Site <br /> <br /> <br />I <br /> <br />The Narrows dam Sl e a~O~FigUre 1 is located on <br /> <br /> <br />the South Platte River uPs;\~j!appro~imatelY 7 miles from the <br /> <br /> <br />city of Ft. Morgan '0 MOrg~\c~nty, Colorado. A zoned earth <br /> <br /> <br />dam as shown bli)rh~r au's ~sibility design drawing <br /> <br /> <br />S-5T=D~4 F1 ~i-Il-1-S l:anned,.-T-he-maximum..section _has__ -- <br /> <br /> <br />----an :ppro::m~te~g~0; 14~ feet above streambed to the crest <br /> <br /> <br />elevati~~~,\~~ The total crest length is about <br /> <br /> <br />22'5~/'fiet whicn ncludes a considerable length of low <br /> <br /> <br />abutm~ ikes fo lood storage purposes. <br /> <br /> <br />The a~~e is located on a portion of the South Platte <br /> <br /> <br />River wh~re the present river channel is several miles north of <br /> <br /> <br />. <br /> <br />~ <br /> <br />. <br /> <br />an old deep channel now filled with alluvium. The bedrock at <br /> <br />. <br /> <br />the site is the pierre formation consisting of shaley siltstone <br /> <br />- 4 - <br /> <br />. <br /> <br />e <br />
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