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Last modified
1/25/2010 7:07:38 PM
Creation date
10/5/2006 1:56:59 AM
Metadata
Fields
Template:
Floodplain Documents
County
Arapahoe
Community
Columbine Valley
Stream Name
Dutch Creek
Basin
South Platte
Title
LOMR - Affected Panel 08005C 0345 J - Case No. 99-08-192P
Date
10/12/1999
Prepared For
Columbine Valley
Prepared By
FEMA
Floodplain - Doc Type
Historic FEMA Regulatory Floodplain Information
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<br />, '~ <br /> <br />CHANGES ARE MADE IN DETERMINATIONS OF BASE FLOOD ELEVATIONS FOR THE TOWN <br />OF COLUMBINE VALLEY, ARAPAHOE COUNTY, COLORADO, UNDER THE NATIONAL <br />FLOOD INSURANCE PROGRAM <br /> <br />On August 16, 1995, the Federal Emergency Management Agency identified Special Flood Hazard Areas <br />(SFHAs) in the Town of Columbine Valley, Arapahoe County, Colorado, through issuance of a Flood <br />Insurance Rate Map (FIRM). The Mitigation Directorate has determined that modification of the elevations <br />of the flood having a I-percent chance of being equaled or exceeded in any given year (base flood) for <br />certain locations in this community is appropriate. The modified base flood elevations (BFEs) revise the <br />FIRM for the community. <br /> <br />The changes are being made pursuant to Section 206 of the Flood Disaster Protection Act of 1973 (Public <br />Law 93-234) and are in accordance with the National Flood Insurance Act of 1968, as amended (Title xm <br />of the Housing and Urban Development Act of 1968, Public Law 90-448), 42 U.S.C. 4001-4128, and <br />44 CFR Part 65. <br /> <br />A hydraulic analysis was performed to incorporate channel improvements along Dutch Creek that included <br />construction of a four-cell concrete box culvert at Platte Canyon Road and has resulted in a revised <br />delineation of the regulatory floodway, increases and decreases in SFHA width, and decreased BFEs for <br />Dutch Creek from Platte Canyon Road to approximately 800 feet downstream. The table below indicates <br />existing and modified BFEs for selected locations along the affected lengths of the flooding source(s) cited <br />above. <br /> <br />Location <br /> <br />Existing BFE <br />(feet)* <br /> <br />Modified BFE <br />(feet)* <br /> <br />Just downstream of Platte Canyon Road <br />Approximately 600 feet downstream of Platte Canyon Road <br /> <br />5,371 <br />5,368 <br /> <br />5,368 <br />5,367 <br /> <br />*National Geodetic Vertical Datum, rounded to nearest whole foot <br /> <br />Under the above-mentioned Acts of 1968 and 1973, the Mitigation Directorate must develop criteria for <br />floodplain management. To participate in the National Flood Insurance Program (NFIP), the community <br />must use the modified BFEs to administer the floodplain management measures of the NFIP. These <br />modified BFEs will also be used to calculate the appropriate flood insurance premium rates for new <br />buildings and their contents and for the second layer of insurance on existing buildings and contents. <br /> <br />Upon the second publication of notice of these changes in this newspaper, any person has 90 days in which <br />he or she can request, through the Chief Executive Officer of the community, that the Mitigation <br />Directorate reconsider the determination. Any request for reconsideration must be based on knowledge <br />of changed conditions or new scientific or technical data. All interested parties are on notice that until the <br />90-day period elapses, the Mitigation Directorate's determination to modify the BFEs may itself be <br />changed. <br /> <br />Any person having knowledge or wishing to comment on these changes should immediately notify: <br /> <br />The Honorable James C. McShane <br />Mayor, Town of Columbine Valley <br />5931 South Middlefield Road, Suite 101 <br />Columbine Valley, Colorado 80123 <br />
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