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Last modified
11/23/2009 12:58:13 PM
Creation date
10/4/2006 10:11:34 PM
Metadata
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Template:
Floodplain Documents
Designation Number
558
County
Douglas
Community
Douglas County Unincorporated
Title
Flood Hazard Area Delineation - Plum Creek Watershed
Date
11/1/2001
Designation Date
1/2/2002
Prepared By
UDFCD, WRC Engineering
Floodplain - Doc Type
Floodplain Report/Masterplan
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<br />Table III-7: CUHP Sub-Watershed Parameters for West Sectiou of Study Area (continued) <br /> DETENTION DETENTION INITIAL FINAL <br /> CENTROID EXISTING FUTURE TIME OF STORAGE STORAGE INFIL TRA TION DECAY INFILTRATION <br />WATERSHED AREA LENGTH LENGTH IMPERV. IMPERV. SLOPE CONCEN (PERVIOUS) (IMPERVIOUS) RATE COEFF. RATE <br />DFSIGNATlON (sQuare miles) (miles) (miles) % % ( feet/foot) (minutes) (inches) (inches) (inches/holIr) ( l/second) (inches/hour) <br />157 0.065 0568 0.152 3.46 7.44 0.031 0.4 0.1 4.50 0.0018 0.60 <br />158 0.109 0.720 0.360 2.29 8.53 0.051 0.4 0.1 4.50 0.0018 0.60 <br />159 0.130 0.530 0.303 2.40 7.61 0.054 0.4 0.1 3.90 0.0018 0.56 <br />160 0.082 0.606 0.246 2.49 7.05 0.056 0.4 0.1 4.19 0.0018 0.58 <br />161 0.085 0.492 0.208 2.13 9.87 0.050 0.4 0.1 3.00 0.0018 0.50 <br />162 0.069 0568 0.227 2.46 9.95 0.054 0.4 0.1 4.50 0.0018 0.60 <br />164 0.133 0.284 0.341 HI 9.84 0.027 0.4 0.1 4.50 0.0018 0.60 <br /> <br />Ill-I 6 <br /> <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />
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