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FLOOD00014
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Last modified
11/23/2009 1:22:09 PM
Creation date
10/4/2006 8:59:53 PM
Metadata
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Template:
Floodplain Documents
County
Larimer
Community
Larimer County
Stream Name
Boxelder Creek
Title
Storm Drainage Improvements I-25/CH50 Interchange Larimer County
Date
1/9/1984
Prepared For
Larimer County
Prepared By
URS Company
Floodplain - Doc Type
Project
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<br />TABLE 2 <br /> <br />J.:~u.LfJ.l1LE~.ting_.cJ.l.I:.lljLrQLl3.=lli::n..X....4-.ca.c <br /> <br />HW = 2.9' <br />A = (13+16+13) X 2.9 <br /> = 42 X 2.9 <br /> = 121. 8 SF <br />P = 6 X 2.9 + 42 <br /> = 50.9 feet <br />length = 55 feet <br />Rn = A = 121....8. <br /> P 50.9 <br /> = 2.39 feet <br />S = (___Q__1 2 <br /> (24,890) <br />HT = 1.5 X -Q- 2 <br /> _122 <br />Q(CFS) 64.4 <br /> <br />+55 <-_Q__...) 2 <br />(24,890) <br /> <br />E.__1U...l <br /> <br />100 0.0156 + 0.0009 = 0.0165 <br />150 0.0352 0.002 0.0372 <br />200 0.626 0.00355 0.0662 <br />250 0.0978 0.0055 0.1033 <br />J..Q.U-____________.Q...U.L..__________..!1...(lJlI~~..____.!1...l.4.11.8 <br />325 0.165 0.00938 0.1747 <br />350 0.192 0.0108 0.2025 <br />375 0.220 0.0125 0.232 <br />400 0.250 0.0142 0.264 <br />i2~_____________.Q...2.ll.Q__._________._..Q...QlliQ_.____...!1...2~9_ <br />500 0.391 0.0222 0.413 <br />600 0.563 0.0319 0.595 <br />700 0.767 0.0435 0.811 <br />.8.!1.Q_.______..._____1....Q.QL___________._.Q...([5.12_._._____1...Q5..~ <br /> <br />8 <br />
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