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Last modified
1/29/2010 10:11:52 AM
Creation date
10/4/2006 11:55:11 PM
Metadata
Fields
Template:
Floodplain Documents
County
Arapahoe
Jefferson
Community
Aurora, Greenwood Village, Englewood, Cherry Hills
Stream Name
South Platte River
Basin
South Platte
Title
Arapahoe County Flood Risk Directory
Date
9/1/1991
Prepared For
FEMA
Prepared By
US Army Corps of Engineers
Floodplain - Doc Type
Data (general)
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<br />BFE - The Base Flood Elevation (BFE) was in'terpolated from <br />the FIRM panel for Zone AE' s. Interpolatin9 t,he BFE was one <br />of the more difficult tasks. The BFE:'s \;'er'a spaced too far <br />apart with too much elevation change between the BFE's. <br />Addi tional BFE' s were physically dra"m on the FIRM panel to <br />make the interpolation easier. A Fle,od Insurance study <br />technical report could assist in this interpolation and <br />should be made available to the surveying t.aam. <br /> <br />ELEVATION DIFFERENCE ,- Elevation difference is the estimated <br />difference in elevation between the g'rade surrounding the <br />structure and the lowest floor. Xf the structure had a <br />basement, the elevation difference between 1the grade and <br />first floor was subtracted from 805 feet (average basement <br />height) to obtain the proper elE~vatie'n diff.arenceo <br /> <br />LOWEST FLOOR ELEVATION - The 10lvest floor, ac(~ording to the <br />National Flood Insurance Program (NFIP), is the lowest <br />enclosed area of a structure (including a basement). The <br />lowest floor elevations were not provided a:; a part of this <br />survey. <br /> <br />FLOODWAY - From the interpretation of the FIRM panels, it was <br />determined that the structure was in the flc)odway if any part <br />of the l;tructure or surrounding grade was in t.he floodway. <br /> <br />STRUCTURE TYPE - The type was obvious in mo:;t cases. The <br />different types of structures noted in the directory are: <br /> <br />COMM - Commercial, <br />INDU - Industrial, <br />~i - Manufactured Home, <br />R (n) - Residential, where (n) equals 1:he number of <br />family units, <br />OTHR - other type of structure, and <br />NONE - no structure in place. <br /> <br />The default structure type ffJr churches, park pavilions, or <br />state-owned buildings was commercial. Residences were <br />identified with an R followed by the number of family units. <br />Other types of structures (O':rHR) are further explained in the <br />comment field. <br /> <br />BASEMENT - A basement, according to the NFIP, includes any <br />part of a building where all four sides are lClcated below <br />ground level. This definition "Ias used with one exception. <br /> <br />3 <br />
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