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FLOOD07627
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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 />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br /> FLOODING SOURCE FLOOD PLAIN DATA FLOODWAY DATA II) <br /> CROSS STATION QIOO STREAM 100 YR. 100YR. 100 YR. FLOODWAY WIDTH (FTf) FLOODWAY <br />IDENTIFICATION SECTION (FT) (CFS) BED ELEV. FLOOD ELEV. ELEV. <br /> (MsLl (MSL) WIDTH (FT) R. BANK L. BANK TOTAL (MSLl <br />Downstream L imi t of Reach 1 1 40 + 40 3015 5429.0 5432.6 239.0 <br />Begin Backwater Condition 2 40 + 80 3015 5417 . 0 5433.7 379.7 <br />Due to Road Way 3 41 + 16 3015 5420.1 5432.9 25.0 <br /> 4 41 + 85 3015 5420.4 5434 . 3 25.0 12.5 12.5 25.0 5434.8 <br />Upstream Headwall of D. & 5 42 + 05 3015 5420.6 5435.8 502.2 121. 8 209.5 331. 3 5436.2 <br />R.G.W. Culvert 6 42 + 35 3015 5420.8 5435.1 25.0 12.5 12.5 25.0 5435.5 <br />Upstream Headwall of A.T. & 7 44 + 00 3015 5421. 2 5437.1 32.0 16.0 16.0 32.0 5437.6 <br />S.F. Culvert 8 4S + 20 3015 5421. 5 5437.8 418.2 117.0 255'.0 372.0 5438.3 <br /> 9 46 + 40 3015 5423.3 5437.8 238.1 42.0 115.3 157.3 5438.3 <br /> 10 46 + 90 2822 5424.2 5436.9 21.0 10.5 10.5 21.0 5437.4 <br />Upstream Headwall of U.S. 85 11 49 + 00 2822 5428.8 5437.4' 21.0 10.5 10.5 21.0 5437.9 <br />Culvert 12 49 + 60 2822 5429.5 5442.3 218.5 <br /> 13 52 + 00 2822 5439.2 5443.9 380.6 <br />Access Road to Treatment 14 54 + 00 2822 5442.2 5447.3 140.0 <br />Plant (Future) 15 56 + 40 2822 5444.7 5450.1 131.1 <br /> 15 57 + 80 2822 5446.8 5451. 7 108.8 <br /> 17 59 + 60 2822 5448.4 5453.8 90.4 <br /> 18 62 + 00 2822 5451.1 5456.2 91. 2 <br /> 1Q fi4 + 00 2822 5451.6 5458.8 132.6 <br /> 20 66 + 20 2822 5455.1 5462 . 2 173.6 81.2 33.5 114.7 5462.6 <br /> 21 68 + 00 2822 5456.2 ~;A63.4 56.2 36.7 21.4 58.1 5463.7 <br /> 22 69 + 80 2822 5457.2 5466. 1 200.1 <br /> 23 71 + 40 2822 5459.8 5466.6 124.5 <br /> 24 72 + 80 2822 5462.5 5469.0 175.0 159.2 16.3 175.5 5469.1 <br /> 25 75 + 00 2822 5464.6 5471. 6 138.2 39.0 17.9 56.9 5471. 3 <br /> 2(; 76 + 50. 2822 5466.5 5472 . 8 79.0 <br /> 27 77 + 60 2822 5469.0 5476.5 166.0 <br /> 28 79 + 40 2822 5474.2 5479.3 209.5 193.8 17.0 210.8 5479.5 <br /> 29 81 + 20 2822 5478.6 5482.3 260.5 <br /> 30 84 + 00 2822 5484.2 5486.6 223.8 <br /> <br />(1) Floo<"'I",Y' daLa are based Of] encroachment causing up to 0.5 ft. vertical rise in the lOCi-year flood elevation. <br />i,l<c~e flood,,"y dot? are nut given they shall De assumed to be ident iCel to th" flood pl ain data. <br /> <br />(?) Lset enu right distances are measured from the center of the flowline of the channel lookino downstream. <br /> <br />.lack G. Raub Company <br />~ng& R::>.~ <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 A <br />
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