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 ID-12: SWMM Parameters for West Section of Study Area (continued) I
BOTTOM
WIDTH LENGTH OF LEFT RIGHT I
TYPE OF OR PIPE CONVEYANCE SIDE SIDE MANNING'S ESTIMATED
CONVEYANCE CONVEYANCE DIAMETER ELEMENT SLOPE SLOPE SLOPE n DEPTH
ELEMENT ELEMENT (feet) (feet) (feet/feet) (feet/feet) (feet/feet) COEFFICIENT (feet) I
282 Channel 10 2000 0.02 10 10 0.064 15
283 Channel 10 2900 0.03 10 10 0.075 15
285 Channel 10 3500 0.031 10 10 0.076 IS
287 Channel 10 2500 0.02 10 10 0.064 15 I
288 Channel 10 2100 0.022 10 10 0.066 IS
289 Channel 10 2600 0.02 10 10 0.064 15
290 Channel 10 2300 0.036 10 10 0.080 IS I
292 Channel 10 1600 0.031 10 10 0.076 IS
293 Channel ]0 1800 0.018 10 10 0.062 15
294 Channel 10 1900 0.048 10 10 0.089 15
295 Channel 10 2300 0.047 10 10 0.089 15 I
297 Channel 10 1500 0.04 10 10 0.083 15
298 Channel 10 2000 0.023 10 10 0.068 15
300 Channel 10 3000 0.043 10 10 0.086 IS I
302 Channel 10 2000 0.013 IS IS 0.054 15
303 Channel 10 1100 0.013 IS 15 0.054 15
304 Channel 10 1400 0.013 15 15 0.054 15
306 Channel ]0 1700 0.036 10 10 0.080 IS I
307 Channel 10 800 0.036 10 10 0.080 IS
308 Channel 10 2500 0.036 10 10 0.080 IS
309 Channel 10 ]700 0.013 20 20 0.055 IS I
310 Channel 10 2100 0.013 20 20 0.055 IS
311 Channel 10 1500 0.013 20 20 0.055 15
313 Channel 10 1000 0.018 20 20 0.062 IS
315 Channel 10 1100 0.018 20 20 0.062 15 I
316 Channel 10 2600 0.044 20 20 0.087 15
317 Channel 10 700 0.018 20 20 0.062 IS
319 Channel 10 3300 0.05 25 25 0.097 10 I
320 Channel 10 2700 0.026 10 10 0.071 IS
321 Channel 10 2100 0.026 10 10 0.071 IS
322 Channel 10 2200 0.026 10 10 0.071 IS
323 Channel 10 2100 0.029 10 10 0.074 IS I
326 Channel 10 1300 0.029 10 10 0.074 15
328 Channel 10 2700 0.042 10 10 0.085 15
329 Channel 10 1400 0.033 4 4 0.074 20 I
330 Channel 10 1200 0.05 10 10 0.091 IS
333 Channel 10 1400 0.018 20 20 0.062 IS
334 Channel 10 2000 0.018 20 20 0.062 IS
335 Channel 10 1700 0.027 10 10 0.072 15 I
337 Channel 10 2500 0.033 20 20 0.078 IS
338 Channel 10 1400 0.04 20 20 0.084 15
340 Channel 10 2300 0.015 25 25 0.061 10 I
341 Channel 10 3000 0.015 25 25 0.061 10
345 Channel 10 1700 0.024 25 25 0.073 10
346 Channel 10 1600 0.053 25 25 0.099 10
347 Channel 5 1900 0.049 3 3 0.090 15 I
351 Channel 10 1000 0.01 25 25 0.053 10
1lI-34 I
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