FLOOD01635

• 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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Table IIl-13: SWMM Parameters for Southeast Section of Stndy Area I
BOTTOM
WIDTH LENGTH OF LEFT RIGHT
TYPE OF OR PIPE CONVEYANCE SIDE SIDE MANNING'S ESTIMATED I
CONVEYANCE CONVEYANCE DIAMETER ELEMENT SLOPE SLOPE SLOPE n DEPTH
ELEMENT ELEMENT (feet) (feet) (feet/feet) (feet/feet) (feet/feet) COEFFICIENT (feet)
215 Channel 5 300 0.048 4 4 0.090 15 I
216 Channel 5 1,500 0.025 I 8 0.067 20
217 Channel 5 1,300 0.024 4 4 0.069 15 I
218 Channel 5 1,500 0.048 5 5 0.090 15
219 Channel 5 600 0.024 4 4 0.069 15
220 Channel 5 1,]00 0.024 4 10 0.066 20 I
221 Channel 5 1,800 0.028 4 10 0.070 20
222 Channel 5 500 0.028 4 4 0.073 15
223 Channel 5 300 0.056 4 4 0.095 15 I
224 Channel 5 2,300 0.019 8 8 0.060 20
226 Channel 10 1,200 0.017 4 4 0.058 20
227 Channel 5 600 0.053 4 4 0.093 15
228 Channel 10 1,700 0.023 8 8 0.068 15 I
230 Channel 4 1,700 0.038 5 5 0.082 15
231 Channel 4 3,000 0.034 5 5 0.079 15
232 Channel ]00 600 0.005 8 8 0.034 25 I
234 Channel 4 1,300 0.028 5 5 0.073 15
235 Channel 4 1,100 0.047 5 5 0.089 15
236 Channel 4 2,300 0.029 5 5 0.074 15 I
237 Channel 4 1,200 0.047 5 5 0.089 15
238 Channel 100 1,400 0.005 8 8 0.034 25
241 Channel 5 1100 0.01 5 5 0.049 15 I
243 Channel 100 1400 0.005 8 8 0.034 25
244 Channel 100 2900 0.005 8 8 0.034 25
247 Channel 5 3800 0.031 8 8 0.076 15 I
248 Channel 100 1200 0.005 8 8 0.034 25
250 Channel 5 2700 0.04 8 8 0.084 15
251 Channel 100 1600 0.005 8 8 0.034 25 I
253 Channel 100 400 0.005 8 8 0.034 25
254 Channel 50 1100 0.02 ]5 15 0.067 10
255 Channel 50 1500 0.02 15 15 0.067 10
256 Channel 5 900 0.04 3 3 0.089 10 I
257 Channel 2 1500 0.048 10 10 0.107 5
258 Channel 3 700 0.028 5 5 0.078 10
259 Channel 3 2700 0.028 5 5 0.078 10 I
260 Channel 3 1000 0.029 5 5 0.079 10
261 Channel 3 1400 0.025 5 5 0.Q75 10
263 Channel 4 1600 0.025 3 3 0.070 15 I
264 Channel 4 900 0.02 , 3 0.064 15
0
265 Channel 4 300 0.03 3 3 0.Q75 15
266 Channel 4 2100 0.03 3 3 0.Q75 15 I
267 Channel 4 2200 0.04 , 3 0.084 15
0
270 Channel 4 1300 0.037 3 3 0.081 15
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1Il-36
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