DFHADprototype071409.. - Urban Drainage and Flood Control District
DFHADprototype071409.. - Urban Drainage and Flood Control District DFHADprototype071409.. - Urban Drainage and Flood Control District
Location Structure Description Station Total Flow (cfs) Structure Flow (cfs) Structure Hydraulic Analysis Details Table Return Event 10-Year 50-Year 100-Year 500-Year Max Max Max Overtopping Total Structure Overtopping Total Structure Overtopping Total Structure Overtopping Overtopping Overtopping Overtopping Flow Flow Flow Flow Flow Flow Flow Flow Flow Flow Depth Depth Depth (cfs) (cfs) (cfs) (cfs) (cfs) (cfs) (cfs) (cfs) (cfs) (cfs) (feet) (feet) (feet) 88th Avenue Culvert 60" CMP 76+00 397 119 278 0.6 751 119 632 0.8 948 119 829 0.9 1252 119 1133 1.0 Rainbow Avenue Culvert 9.5' Arch CMP 64+00 972 182 788 2.2 1283 183 1100 2.6 398 181 217 1.2 770 182 587 1.9 Old Welby Road Culvert 5.5' CMP 48+70 215 215 - - 228 228 - - 192 192 - - 207 207 - - Railroad Bridge Bridge 47+50 215 - - - 228 - - - 192 - - - 207 - - - Welby Road Culvert 10' CBC 46+25 215 215 - - 228 228 - - 192 192 - - 207 207 - - Steele Street 5' CMP 32+60 235 209 26 0.4 253 212 41 0.5 199 199 - - 222 207 14 0.3 LCCC Crossing At Grade Channel 30+00 199 199 - - 222 150 72 0.3 235 149 86 0.3 253 157 96 0.3 Maintenance Road 3-8' x 6' CBC 8+25 324 324 - - 372 372 - - 231 231 - - 290 290 - - Maintenance Road 3-8' x 6' CBC 2+75 324 324 - - 372 372 - - 231 231 - - 290 290 - - Pedestrian Trail 4' RCP 2+00 324 4 349 2.6 372 4 368 3.6 231 6 225 1.1 290 4 297 2.1 Max Overtopping Depth (feet) DFHAD Prototype
DRAINAGE STRUCTURE PHOTOS FOR HOFFMAN DRAINAGE MAINSTEM STRUCTURE A 1.JPG STA 2+00 STRUCTURE A - SOUTH PLATTE 2.JPG STA 2+00 STRUCTURE A - SOUTH PLATTE DFHAD Prototype
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- Page 28 and 29: DFHAD Prototype VI. Problem Areas T
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- Page 40 and 41: HOFFMAN MAJOR DRAINAGEWAY PLANNING
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- Page 60 and 61: Hoffman River = RIVER-1 Reach = Rai
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DRAINAGE STRUCTURE PHOTOS FOR HOFFMAN DRAINAGE MAINSTEM<br />
STRUCTURE A<br />
1.JPG<br />
STA 2+00<br />
STRUCTURE<br />
A - SOUTH PLATTE<br />
2.JPG<br />
STA 2+00<br />
STRUCTURE<br />
A - SOUTH PLATTE<br />
DFHAD Prototype
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