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FLOOD08109
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Last modified
1/25/2010 7:13:40 PM
Creation date
10/5/2006 3:24:40 AM
Metadata
Fields
Template:
Floodplain Documents
County
Summit
Community
Breckenridge
Stream Name
Blue River
Basin
Colorado Mainstem
Title
Preliminary Flood Insurance Study
Date
6/30/1998
Prepared For
Breckenridge
Prepared By
FEMA
Floodplain - Doc Type
Floodplain Report/Masterplan
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<br />The locations of the reaches determined for the flooding sources <br />of the Town of Breckenridge are shown on the Flood Profiles (Exhibit 1). <br /> <br />5.2 Flood Hazard Factors <br /> <br />The Flood Hazard Factor (FHF) is the Federal Insurance Administration <br />device used to correlate flood information with insurance rate <br />tables. Correlations between property damage from floods and <br />their FHY are used to set actuarial insurance premium rate tables _ <br />based on FHFs from 005 to 200. ~ <br /> <br />The FHF for a reach is the average weighted difference between the <br />10- and 100-year flood water-surface elevations expressed to the <br />nearest one-half foot, and shown as a three-digit code. For <br />example, if the difference between water-surface elevations of the <br />10- and 100-year floods is 0.7 foot, the FHF is 005, if the difference <br />is 1.4 feet, the FHF is 015; if the difference is 5.0 feet, the <br />FHF is 050. When the difference between the 10- and 100-year <br />water-surface elevations is greater than 10.0 feet, accuracy for <br />the FHF is to the nearest foot. <br /> <br />5.3 Flood Insurance Zones <br /> <br />After the determination of reaches and their respective Flood <br />Hazard Factors, the entire incorporated area of the Town of Brecken- <br />ridge was divided into zones, each having a specific flood potential <br />or hazard. Each zone was assigned one of the following flood <br />insurance zone designations: <br /> <br />~~A~ <br /> <br />Special Flood Hazard Areas inundated by <br />types of 100-year shallow flooding <br />where depths are between 1.0 and 3.0 <br />feet, depths are shown, but no Flood <br />Hazard Factors are determined. <br /> <br />Zone AH: <br /> <br />Special Flood Hazard Areas inundated by <br />types of 100-year shallow flooding <br />where depths are between 1.0 and 3.0 <br />feet; base flood elevations are shown, <br />but no Flood Hazard Factors are determined. <br /> <br />Zones Al, A2, and AIO: <br /> <br />Special Flood Hazard Areas inundated by <br />the 100-year flood, determined by <br />detailed methods, base flood elevations <br />shown, and zones subdivided according <br />to Flood Hazard Factors. <br /> <br />16 <br />
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