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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 III-14: SWMM Parameters for East Section of Stndy Area (continned) <br /> BOTTOM <br /> WIDTH LENGTH OF LEFT RIGHT <br />I TYPE OF OR PIPE CONVEYANCE SIDE SIDE MANNING'S ESTIMATED <br />CONVEYANCE CONVEYANCE DIAMETER ELEMENT SLOPE SLOPE SLOPE n DEPTH <br />ELEMENT ELEMENT (feet) (feet) (feet/feet) (feet/feet) (feet/feet) COEFFICIENT (feet) <br />I 271 Channel 100 2500 0.024 5 5 0.066 15 <br />272 Channel 100 1200 0.042 5 5 0.081 15 <br />274 Channel 50 2100 0.024 5 5 0.067 15 <br /> 275 Channel 50 600 0.025 5 5 0.068 15 <br />I 279 Channel 20 1000 0.045 5 5 0.086 15 <br />277 Channel 10 2000 0.043 5 5 0.086 15 <br /> 280 Channel 10 2300 0.044 5 5 0.086 15 <br />I 205 Channel 100 1100 0.017 20 20 0.059 15 <br />206 Channel 15 900 0.022 25 25 0.079 5 <br /> 281 Channel 15 1900 0.032 25 25 0.091 5 <br />I 371 Channel 15 2500 0.016 25 25 0.070 5 <br />207 Channel 15 2000 0-02 25 25 0.076 5 <br /> 283 Channel 15 800 0.025 25 25 0.083 5 <br />I 284 Channel 10 1200 0.017 10 10 0.064 10 <br />285 Channel 10 1200 0.033 5 5 0.082 10 <br />286 Channel 10 1000 0.04 5 5 0.088 10 <br />I 287 Channel 10 1500 0.02 10 10 0.068 10 <br />208 Channel 200 1800 0.028 5 5 0.068 15 <br />288 Channel 200 900 0.028 5 5 0.068 \5 <br /> 289 Channel 200 1500 0.023 5 5 0.063 15 <br />I 292 Channel 200 1500 0.023 5 5 0.063 15 <br />291 Channel 10 3700 0.032 5 5 0.076 15 <br /> 297 Channel 200 1500 0.023 5 5 0.063 15 <br />I 294 Channel 10 2900 0.Q31 5 5 0.076 15 <br />295 Channel 10 1700 0.Q35 5 5 0.079 15 <br /> 296 Channel 10 700 0.042 5 5 0.085 15 <br />I 298 Channel 200 1600 0.023 5 5 0.063 15 <br />300 Channel 150 1200 0.023 5 5 0.064 15 <br /> 299 Channel 5 900 0.028 3 3 0.073 15 <br />I 301 Channel 150 1100 0.023 5 5 0.064 15 <br />313 Channel 5 1200 0.048 4 4 0.090 15 <br />302 Channel 150 1200 0.023 5 5 0.064 15 <br />I 303 Channel 150 700 0.023 5 5 0.064 15 <br />304 Channel 10 1900 0.025 5 5 0.070 15 <br />305 Channel 10 1000 0.03 5 5 0-075 15 <br /> 306 Channel 10 2]00 0.Q3 5 5 0-075 15 <br />I 307 Channel 10 1300 0.036 5 5 0.080 15 <br />310 Channel 10 1300 0.036 5 5 0.080 15 <br /> 309 Channel 5 1900 0.035 5 5 0.079 15 <br />I 312 Channel 10 \900 0.044 5 5 0.086 15 <br />349 Channel 5 2000 0.043 5 5 0.086 15 <br /> 317 Channel 150 1500 0.013 5 5 0.051 15 <br />I 319 Channel 150 1900 0.021 5 5 0.062 15 <br />325 Channel 10 1500 0.02 5 5 0.064 15 <br /> 326 Channel 10 2400 0.029 5 5 0.074 IS <br />I <br /> I1I-39 <br />I <br />
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