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FLOOD01635
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Last modified
11/23/2009 12:58:13 PM
Creation date
10/4/2006 10:11:34 PM
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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 />I <br />I Table 111-13: SWMM Parameters for Southeast Section of Study Area (continued) <br /> BOTTOM <br /> WIDTH LENGTH OF LEFT RIGHT <br />I TYPE OF OR PIPE CONVEYANCE SIDE SIDE MANNING'S ESTIMA TED <br />CONVEYANCE CONVEYANCE DIAMETER ELEMENT SLOPE SLOPE SLOPE n DEPTH <br />ELEMENT ELEMENT (feet) (feet) (feet/feet) (feet/feet) (feet/feet) COEFFICIENT (feet) <br /> 272 Channel 4 2900 0.028 , 3 0.073 15 <br /> j <br />I 273 Channel 70 3100 0.028 25 25 0.069 20 <br />274 Channel 20 3100 0.019 15 15 0.067 10 <br /> 275 Channel 10 1600 0.034 10 10 0.083 10 <br />I 276 Channel 10 2900 0.047 10 10 0.094 10 <br />277 Channel 20 3200 0.013 5 5 0.054 15 <br /> 278 Channel 10 1000 0.034 10 10 0.083 10 <br />I 279 Channel 10 1100 0.036 4 4 0.077 20 <br />280 Channel 10 2800 0.048 4 4 0.085 20 <br /> 281 Channel 10 1800 0.04 4 4 0.080 20 <br />I 282 Channel 10 1100 0.055 15 15 0.094 15 <br />283 Channel 10 1200 0.028 15 15 0.073 15 <br /> 284 Channel 10 1600 0.016 15 15 0.059 15 <br />I 286 Channel 10 1900 0.05 15 15 0.091 15 <br />287 Channel 10 1800 0.036 15 15 0.080 15 <br />288 Channel 10 2500 0.041 15 15 0.084 15 <br /> 289 Channel 10 2300 0.034 15 15 0.079 15 <br />I 290 Channel 10 300 0.02 15 15 0.064 15 <br />292 Channel 10 1000 0.02 15 15 0.064 15 <br /> 293 Channel 10 2100 0.03 15 15 0-075 15 <br />I 294 Channel 10 2100 0.023 15 15 0.068 15 <br />295 Channel 10 1700 0.018 15 15 0.062 15 <br /> 298 Channel 10 1600 0.037 5 5 0.081 15 <br />I 299 Channel 10 1100 0.017 5 5 0.060 15 <br />300 Channel 10 1300 0.041 5 5 0.084 15 <br /> 301 Channel 10 1000 0.045 5 5 0.087 15 <br />I 302 Channel 10 900 0.045 10 10 0.087 15 <br />303 Channel 10 1700 0.049 10 10 0.090 15 <br /> 304 Channel 10 500 0.045 15 15 0.087 15 <br />I 306 Channel 50 1800 0.05 15 15 0.090 15 <br />307 Channel 10 1000 0.05 5 5 0.091 15 <br />308 Channel 10 2700 0.058 5 5 0.096 15 <br />I 309 Channel 10 2800 0.04 5 5 0.083 15 <br />310 Channel 10 1100 0.04 5 5 0.083 15 <br />312 Channel 10 3100 0.04 5 5 0.083 15 <br /> 318 Channel 20 2400 0.028 5 5 0.072 15 <br />I 320 Channel 5 2000 0.013 8 8 0.055 15 <br />321 Channel 5 2200 0.034 8 8 0.079 15 <br /> 322 Channel 4 3800 0.044 5 5 0.087 15 <br />I 323 Channel 4 3400 0.036 5 5 0.080 15 <br />324 Channel 5 1300 0.034 10 10 0.079 15 <br /> 325 Channel 5 1500 0.021 8 8 0.063 20 <br />I 326 Channel 100 500 0.005 8 8 0.034 25 <br />398 Channel 100 800 0.005 8 8 0.034 25 <br /> 399 Channel 50 500 0.045 15 15 0.086 15 <br />I <br /> 1lI-37 <br />I <br />
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