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Last modified
1/25/2010 6:46:39 PM
Creation date
10/5/2006 12:44:52 AM
Metadata
Fields
Template:
Floodplain Documents
Designation Number
287
County
Douglas
Community
Castle Rock
Basin
South Platte
Title
Flood Insurance Study - Castle Rock, Douglas County, Colorado
Date
9/1/1987
Designation Date
12/1/1987
Floodplain - Doc Type
Floodplain Report/Masterplan
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<br /> Table 2. Floodway Data <br /> FLOODING SOURCE FLOODKAY BASE FLOOD ELEVATION <br /> Mean <br /> Velocity Without With <br /> 1 Width Section Area (Feet per Regulatory Floodway Floodway Increase <br /> Cross Section Distance (Feet) (Square Feet) Second) (Feet) (Feet) (Feet) (Feet) <br /> Sellers Gulch <br /> A 400 168 778 5.29 6,180.6 6,180.6 6,181.6 1.0 <br /> B 740 168 610 6.76 6,184.8 6,184.8 6,185.8 1.0 <br /> C 840 128 517 7.96 6,188.0 6,188.0 6,189.0 1.0 <br /> D 2,070 337 799 5.18 6,203.1 6,203.1 6,204.1 1.0 <br /> E 2,210 337 1,125 3.68 6,205.9 6,205.9 6,206.9 1.0 <br /> F 3,040 247 720 5.79 6,220.4 6,220.4 6,221.4 1.0 <br /> G 3,840 253 885 4.54 6,226.2 6,226.2 6,227.2 1.0 <br /> H 4,840 242 748 5.42 6,236.9 6,236.9 6,237.9 1.0 <br />t-' I 5,820 175 637 6.40 6,251.5 6,251.5 6,252.5 1.0 <br />~l J 7,325 202 448 8.37 6,267.5 6,267.5 6,268.5 1.0 <br /> <br />1 . <br />Feet Above Confluence W1th East Plum Creek <br />
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