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FLOOD00734
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Last modified
11/23/2009 1:21:32 PM
Creation date
10/4/2006 9:26:44 PM
Metadata
Fields
Template:
Floodplain Documents
Designation Number
213
County
Adams
Community
Thornton
Stream Name
Brantner Gulch and Tributaries
Title
Flood Hazard Area Delineation - Brantner Gulch and Tributaries
Date
1/1/1983
Designation Date
5/1/1983
Floodplain - Doc Type
Floodplain Report/Masterplan
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<br />I <br /> 10 <br />I TABULATION <br />I Hydrologic Trib. Area Length Dist. to " Imp. C Descriptive Peak Discharges <br /> Point Sq. Mi. L, Mi. Centroid, Mi. Area, Ia. Ct -..IL Note 2 yr. 5-yr, 10-yr. 50-yr. 100-yr. <br />. BRANTNER GULCH AND TRIBUTARIES <br /> A-225 0.71 1. 21 0,53 50 0.23 0,62 a 315 5B2 B19 1390_ 1626 <br />I A-220 0.10 0.6B 0.30 22 0.24 0.24 b 15 37 59 1I2 134 <br />A-195 1.15 2.35 1.02 54 0.28 0,67 c 402 707 954 1656 1850 <br /> A-190 0.07 0.61 0.27 45 0,18 0.40 32 63 91 153 l81 <br />I A-I85 0.24 0.76 0.38 50 0,19 0.53 124 226 324 545 631 <br />A-180 0.71 1. 38 0,72 44 0,25 0.55 d 237 454 641 1122 1331 <br /> A-178 0,81 1. 38 0.68 42 0.23 0.53 271 525 743 1310 1561 <br />I A-175 1. 24 1. 59 0.42 39 0.23 0.53 405 B09 1200 2108 24BO <br />A-170 1.60 2.31 0.95 39 0.29 0.55 370 727 1041 1902 2287 <br />A-165 2.21 2.35 0.B7 40 0.28 0.59 569 1125 1615 2911 3460 <br /> A-160 2.55 2.54 0.87 40 0,29 0.61 64B 1264 1809 3279 3923 <br />I A-155 2.66 2.5B 0.95 40 0,29 0.61 664 1298 1845 3348 4026 <br />A-ISO 2.85 2.65 0.9B 40 0.30 0.62 695 1362 1942 3520 4220 <br /> A-145 3.14 3.22 1.48 40 0.34 0.62 614 llBB 16B4 3102 3769 <br />I A-140 4.43 3.26 1.44 40 0.34 0.66 e 91I 1766 2503 4597 55B4 <br />A-135 4,61 3,56 1. 35 3B 0.35 0.63 856 1692 2424 4496 5454 <br /> A-130 4.98 3.60 1.67 3B 0.37 0.63 844 1660 2374 4421 5400 <br />I A-125 5.15 3.67 1.63 38 0,37 0.6' f B85 1741 2490 4,634 5660 <br />A-120 5.41 4.17 2.05 3B 0.40 0.64 80B 1575 224B 4197 5190 <br />A-115 5.78 4.47 2.31 38 0.41 0.65 B21 1599 22B6 4272 5271 <br /> A-lIG 5.90 4.70 2.54 38 0,43 0.65 7B3 1517 2169 4052 5019 <br />I A-105 B.08 4.B1 2.50 3B 0.43 0.6B :r,h 1I09 2155 30Bl 5753 6B40 <br />A-I00 B.12 5.15 2.69 3B 0.44 0.6B 1060 2064 2946 5490 6790 <br /> A-IS B.75 5.B7 3.26 36 0.4B 0,65 919 IBOl 2602 4B46 6069 <br />I A-I0 2.350 2.60 1.10 2B 0.31 0.43 i 316 699 1060 2034 24B3 <br />B-355 0.142 0.72 0.34 2B 0.195 0.2B2 31 71 92 IB4 223 <br /> B-350 0.205 1.21 0.61 29 0.236 0,307 j 36 80 103 209 254 <br />I B-330 0.237 1.10 0.44 38 0.196 0.401 76 156 198 373 449 <br />B-325 0.326 1.4B 0.72 37 0.233 0.409 B1 165 209 405 4B7 <br />B-320 0.531 1. 55 0.7B 34 0.245 0.404 k 109 22B 292 576 69B <br /> B-315 0.915 1.59 0.72 34 0,237 0.438 211 447 573 1121 1351 <br />I B-310 1. 004 1.B2 0.97 34 0.260 0.445 203 424 542 1073 1305 <br />B-305 1.170 1.B6 0.91 34 0.259 0.455 1 244 509 651 1287 1566 <br /> B-300 1.294 2.39 1. 36 35 0.29B 0.475 220 450 574 1142 1407 <br />I URBAN DRAINAGE AND FLOOD <br /> DESCRIPfIVE NarES CONTROL DISTRICT <br />I FLOOD HAZARD AREA DELINEATION <br />a. Eastlake Reservoir No. 3 inflow (outflow insignificant) i. Peak Regional Park Triburary flow at confluence TABLE 2 <br /> b. Peak Tributary V flow with S, Platte River TABULATION OF BASIN HYDROLOGIC <br />I c. Eastlake Reservoir No. 2 inflow (outflow insignificant) j. Peak Minor Tributary III flow <br />d. Combined Brantner Gulch and Tributary V flow k. Combined Tributary III and M;,nor Tributary III PARAMETERS AND PEAK DISCHARGES <br /> e. Combined Brantner Gulch and Tributary III flow flow FOR <br />I f. Combined Brantner Gulch and Tributary IV flow 1. Peak Tributary III flow BRANTNER GULCH AND TRIBUTARIES <br />g. Combined Brantner Gulch, Tributary I and Tributary II flow AND <br />h. Peak Brantner Gulcn flow at confluence with S. Platte River REGIONAL PARK TRIBUTARIES <br />I SHT. I OF 2 <br />
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