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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
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 />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 /> <br />Table 1II-12: SWMM Parameters for West Section of Study Area (continued) <br /> BOTTOM <br /> WIDTH LENGTH OF LEFT RIGHT <br /> TYPE OF OR PIPE CONVEYANCE SIDE SIDE MANNING'S ESTIMA TED <br />CONVEYANCE CONVEYANCE DIAMETER ELEMENT SLOPE SLOPE SLOPE n DEPTH <br />ELEMENT ELEMENT (feel) (feel) (feet/feet) (feet/feel) (feet/feel) COEFFICIENT (feet) <br />352 Channel 10 2200 0.027 25 25 0.077 10 <br />355 Channel 5 2400 0.058 3 3 0.096 15 <br />358 Channel 10 800 0.04 5 5 0.088 10 <br />359 Channel 5 2600 0.052 4 4 0.098 10 <br />361 Channel 5 2500 0.057 4 4 0.102 10 <br />365 Channel 10 500 0.049 20 20 0.096 10 <br />366 Channel 10 2400 0.027 10 10 0.072 15 <br />367 Channel 10 1600 0.04 5 5 0.083 15 <br />368 Channel 10 1300 0.052 10 10 0.092 15 <br />369 Channel 10 2400 0.053 10 10 0.093 15 <br /> <br />1ll.35 <br />
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