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Last modified
1/25/2010 7:12:19 PM
Creation date
10/5/2006 3:07:01 AM
Metadata
Fields
Template:
Floodplain Documents
Designation Number
220
County
Douglas
Community
Unincorporated Douglas County
Stream Name
Marcy Gulch
Basin
South Platte
Title
Flood Hazard Area Delineation - Marcy Gulch
Date
2/1/1983
Designation Date
3/1/1984
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 />j <br /> <br />I I <br />I <br /> <br />FLOODING SOURCE FLOOD PLAIN DATA FLOODWAY DATA (I) <br /> CROSS STATION QIOO STREAM 100YR. 10OYR. 100 YR. FLOODWAY WIDTH (FT}'2) FLOODWAY <br />IDENTIFICATION BED ELEV. FLOOD ELEV. ELEV. <br /> SECTION (FT) (CFS) (MSL) (MSL) WIDTH (FT) R. BANK L. BANK TOTAL (MSL) <br /> I <br /> 121 274 + 00 708 5762.7 5765.8 38.4 I <br />Confluence with Reach 2 122 276 + 40 708 5766.1 5769.7 30.6 <br /> 123 279 + 80 451 5772.4 5775.7 26.3 <br /> 124 281 + 60 451 5775.1 5779.1 33.1 <br /> 125 283 + 40 451 5779.3 5781.8 42.3 <br /> 126 285 + 00 451 5781.8 5784.8 38.6 <br />McLellan Drive - Beqin Back - 127 286 + 35 451 5793.0 5794.9 84.3 <br />~!ater Cond it i on 128 286 + 68 451 5807.7 5809.7 68.3 <br /> 129 287 + 93 451 5792.5 5810.4 249.5 <br /> 130 ,288 + 95 451 5798.9 5810.4 246.4 <br /> 131 290 + 35 451 5802.0 5810.4 110.2 <br /> 132 291 + 50 451 5805.7 5810 . 4 109.3 <br />Uostream Limits of Backwater 133 293 + 20 451 5809.3 5811. 8 34.6 <br />Due to Culvert at Station 134 296 + 00 451 5814.4 5816.6 60.3 <br />285 + 76 135 297 + 75 451 5816.9 5819.4 49.0 <br /> 136 29Q + 75 451 5820.6 5822.6 42.9 <br /> 137 301 + 10 451 5823.0 5825.9 37.9 <br /> 138 303 + 25 451 5830. 0 5833.4 35.5 <br /> 139 304 + 80 451 5833.8 5836.5 32.4 <br />South Hiohlands Ranch Parkway - 140 306 + .10 451 5838.2 5840.4 44.1 <br />be0in Backwater Condition 141 308 + 00 451 5841. 5 5843.7 44.4 <br /> 142 309 + 60 549 5848.6 5850.4 97.3 <br />.Unstream Limits of Backwater 143 311 + 40 549 5853.4 5856.2 50.0 <br />Due to Culvert at Station 144 313 + 30 549 5858.9 5860.5 72.7 <br />306 + n,D 145 314 + 75 549 5861. 2 5864.1 45.1 <br /> 146 315 + 60 549 5875.0 5876.5 78.4 <br /> 147 317 + 60 549 5872. 1 5877 .3 161. 3 <br /> 148 319 + 30 549 5872.5 5877 .3 70.0 <br /> 149 321 +20 450 5874.8 5877 . 4 66.6 <br /> 150 323 + 15 450 5878.0 5881.0 46.8 <br /> <br />(1) Floodway data are based on encroachment causing up to 0.5 ft. vertical rise in the 100-year flood elevation. <br />Where floodway data are not given they shall be assumed to be identical to the flood plain data. <br /> <br />(2) Left and right distances are measured from the center of the flowline of the channel looking downstream. <br /> <br />Jack G. Raub Compony <br />&g..-eo", & """"" <br /> <br />URBAN DRAINAGE AND FLOOD CONTROL DISTRICT <br />FLOOD HAZARD AREA DELINEATION <br />DOUGLAS COUNTY <br /> <br />FLOOD PLAIN AND FLOODWAY REFERENCE DATA <br /> <br />MARCY GULCH <br /> <br />TABLE ;3 <br />SHEET E <br />
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