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WSPC01704
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Last modified
1/26/2010 11:13:40 AM
Creation date
10/9/2006 2:56:04 AM
Metadata
Fields
Template:
Water Supply Protection
File Number
5000.375
Description
Flood Protection Section - Alamosa - Rio Grande Flood
State
CO
Basin
Rio Grande
Water Division
3
Date
8/8/1985
Author
CWCB - DODES
Title
Report on the Findings of a State Damage Survey Team on the Rio Grande Flood of June 8-14 1985 - Rio Grande and Alamosa Counties - Colorado - CWCB - DODES - Second Preliminary Draft
Water Supply Pro - Doc Type
Report/Study
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<br />002110 <br /> <br />~ <br />, <br /> <br />'l'he volume of the material required to raise Gerrard Road <br />is estimated at 60 x 3 x 800 = 5,333 cubic yards. <br />27 <br /> <br />The volume <br />Gerrard bridge is <br /> <br />of material <br />35 x 5 x 1200 <br />27 <br /> <br />for the levee upstream <br />= 7,778 cubic yards. <br /> <br />of <br /> <br />the <br /> <br />A second levee was suggested to protect 4 existing homes in <br />a low-lying area on the north bank in the southeast 1/4 of <br />Section 30 (between the river and the Anaconda Ditch). This <br />levee would be approximately 1500 feet long, 20 feet wlde on the <br />top, an average height of 3 feet, and side slopes of 3 to 1, <br />This is a volume of: \ h ,,Ii 3' YuJf-nrJ f ^/ y/fJ . I'~ <br />IJr~ rle I L..l" f"P) Ug,."" .;:, <br />!r VH,""",~ I /r-' f. <br />29 x 3 x 1500 = 4,833 cubic yards, J or <br />, <br /> <br /> <br />27 I~. <br />A right-of-way approximately 40 feet wide is required, <br /> <br />~: 4'<^"B~ ~-: ~. <br />I q (,,1- I ==' J q ( I <br />C :lei ~ <br /> <br />I <br /> <br />TYPICAL SECTION <br /> <br />'1'11e unincorporated areas of Rio Grande County are in the <br />Emergency Phase of the National Flood Insurance Program (NFIP). <br />This means subsidized flood insurance is currently available for <br />up to $35,000 per structure anywhere in the county. As of March, <br />1985, there were only 27 policies in force in the county. <br /> <br />Cost Estimate: <br /> <br />The levees, at $6.00 a cubic yard~ would cost about <br />(6.00)(19,556 + 7,778) = $164,004, <br /> <br />22 <br />
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