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FLOOD04717
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Last modified
1/25/2010 6:47:03 PM
Creation date
10/5/2006 12:54:55 AM
Metadata
Fields
Template:
Floodplain Documents
County
Chaffee
Community
Buena Vista
Basin
Arkansas
Title
Hydrology Addendum for Approximate Floodplains Buena Vista
Date
12/1/1996
Prepared For
Buena Vista
Prepared By
CWCB
Floodplain - Doc Type
Floodplain Report/Masterplan
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<br />Hvdraulic Analvsis <br /> <br />Hydraulic information used for streams with detailed floodplain delineations in Buena Vista's FIS <br />is discussed in Section 3.2 of the FIS, In the case of approximate floodplains, the lOO-year peak <br />flow value for the Arkansas River should be used in conjunction with an appropriate hydraulic <br />analysis, Hydraulic analyses for detennining lOO-year water surface elevations for approximate <br />floodplains may be performed using FEMA's Quick-2 computer program, the Corps of Engineers' <br />HEC-2 computer program, or other acceptable hydraulic methods, <br /> <br />FLOODPLAIN MANAGEMENT <br /> <br />Local Ordinance Reouirements <br /> <br />Communities which manage their floodplains in Colorado do so most often through the local <br />regulatory process, lbis requires a community to adopt an ordinance or regulation which sets forth <br />the performance standards by which development will occur in identified flood hazard areas, <br />Nationwide and in Colorado, regulations are enforced within the area of the 100-year floodplain, <br /> <br />The basic requirement of these regulations is that new development and significant improvement of <br />existing development cannot occur in the lOO-year floodplain without a floodplain development <br />pennit being obtained, Obtaining such a pennit requires compliance with engineering standards, In <br />communities like Buena Vista that have detailed floodplain information, the engineering standards <br />require that residential buildings must be elevated above the lOO-year elevation and that non- <br />residential buildings must be either elevated or floodproofed, Other structures or projects (i.e, <br />bridges, culverts or fill) must be constructed in a way that minimizes the potential increase in flood <br />elevations they may cause, For those areas like Buena Vista that have approximate floodplain <br />information as well, the engineering standards have been more general, Structures must be built <br />with materials and techniques that "minimize flood damages", The use of engineering techniques <br />presented in this report can help the Town to better regulate its approximate floodplain areas, <br /> <br />Flood Insurance <br /> <br />Flood insurance is made available to owners and occupants of floodprone property through the <br />federal government's National Flood Insurance Program (NFIP), The NFIP insurance is available <br />to anyone in any community that participates in the NFIP, At the time of this publication, Buena <br />Vista was participating in the NFIP, and officially joined the regular program of the NFIP on March <br />30, 1982, Communities become participants by adopting floodplain regulations, adopting an NFIP <br />map (if one exists) and agreeing to cooperate with the federal government in the local <br />implementation of the NFIP, Property owners and occupants can then contact an insurance agent <br />familiar with the NFIP (perhaps their own agent) and purchase insurance through that agent, much <br />like they would purchase homeowner's insurance, Brochures and other information regarding the <br /> <br />4 <br />
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