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Last modified
11/23/2009 12:41:32 PM
Creation date
5/9/2007 1:33:47 PM
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Template:
Floodplain Documents
County
Adams
Community
Brighton, Commerce City and Thornton
Stream Name
South Platte River
Title
Flood Hazard Area Delineation, South Platte River, Adams County
Date
4/1/2005
Prepared For
UDFCD; Adams County; Brighton, Commerce City, Thornton, Metro Wastewater
Prepared By
CDM
Floodplain - Doc Type
Floodplain Report/Masterplan
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<br />I <br /> <br />. <br />. <br /> <br />4/8/05 <br /> <br />100- Yr Floodway (FW) Data <br />(1.0 ft rise in WSEL) <br /> <br />il <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />'I <br /> <br />I <br /> <br />,I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />Floodway <br />Elev. <br />(ft) <br />5120.17 <br />5120.30 <br />5120.88 <br />5120.70 <br />5122.23 <br />5122.46 <br />5125.15 <br />5125.44 <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br /> <br />Avg. <br />Vel. <br />~ <br />8.6 <br />8.7 <br />8.1 <br />9.6 <br />8.5 <br />11.3 <br />8.1 <br />9.5 <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br /> <br />FW <br />Width <br />Total <br />ill <br />186 <br />187 <br />191 <br />167 <br />183 <br />196 <br />211 <br />190 <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br /> <br />FW <br />Width <br />Right(1 <br />ill <br />100 <br />91 <br />76 <br />71 <br />90 <br />59 <br />102 <br />83 <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br /> <br />100-Yr Floodway (FW) Data <br />(0.5 ft rise in WSEL) <br /> <br />FW <br />Width <br />Left(1 ) <br /> <br /> <br />86 <br />96 <br />115 <br />96 <br />93 <br />137 <br />109 <br />106 <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br /> <br />Floodway <br />Elev. <br />(ft) <br />5120.17 <br />5120.30 <br />5120.88 <br />5120.70 <br />5122.23 <br />5122.46 <br />5125.15 <br />5125.44 <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br /> <br />Avg. <br />Vel. <br /> <br /> <br />8.6 <br />8.7 <br />8.1 <br />9.6 <br />8.5 <br />11.3 <br />8.1 <br />9.5 <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br /> <br />FW <br />Width <br />Total <br />ill <br />186 <br />187 <br />191 <br />167 <br />183 <br />196 <br />211 <br />190 <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br /> <br />FW <br />Width <br />Right(1 <br />J!!l. <br />100 <br />91 <br />76 <br />71 <br />90 <br />59 <br />102 <br />83 <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br /> <br />FW <br />Width <br />Left(1) <br /> <br />J!!l. <br />86 <br />96 <br />115 <br />96 <br />93 <br />137 <br />109 <br />106 <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br />NC <br /> <br />FLOODPLAIN AND FLOODWAY DATA <br /> <br />100- Yr <br />Floodplain <br /> <br />APPENDIX B <br /> <br />Surface Elevation Data <br /> <br />Water <br /> <br />Peak Discharge Data <br /> <br />Avg. <br />Vel. <br />~ <br />8.7 <br />8.7 <br />8.1 <br />9.6 <br />8.5 <br />11.3 <br />8.1 <br />9.5 <br />6.3 <br />4.7 <br />4.9 <br />10.1 <br />5.2 <br />2.5 <br />8.5 <br />2.4 <br />14.0 <br />2.1 <br />12.3 <br />2.1 <br />5.4 <br />2.0 <br />5.9 <br />1.3 <br />6.1 <br />4.1 <br />6.7 <br />0.9 <br />7.7 <br />1.0 <br />10.2 <br />.1 <br /> <br />Width <br />J!!L <br />247 <br />283 <br />537 <br />561 <br />224 <br />650 <br />642 <br />393 <br />392 <br />575 <br />276 <br />790 <br />288 <br />946 <br />315 <br />680 <br />207 <br />1225 <br />193 <br />1269 <br />231 <br />2324 <br />241 <br />2282 <br />251 <br />2280 <br />284 <br />2315 <br />199 <br />2303 <br />3 <br />1616 <br /> <br />500-Yr <br />~ <br />5126.08 <br />5126.27 <br />5126.79 <br />5126.59 <br />5127.75 <br />5128.08 <br />5130.56 <br />5130.93 <br />5132.08 <br />5133.34 <br />5132.72 <br />5133.34 <br />5133.97 <br />5133.37 <br />5134.01 <br />5133.37 <br />5133.35 <br />5133.41 <br />5135.00 <br />5133.42 <br />5139.56 <br />5133.64 <br />5140.74 <br />5133.84 <br />5141.33 <br />5134.85 <br /> <br />5141.54 <br />5136.14 <br />5141.89 <br />5136.18 <br />5140.92 <br />5136.20 <br /> <br />100- Yr <br />--.illL <br />5120.16 <br />5120.29 <br />5120.87 <br />5120.69 <br />5122.22 <br />5122.46 <br />5125.15 <br />5125.44 <br />5126.49 <br />5127.17 <br />5126.95 <br />5127.81 <br />5127.11 <br />5128.77 <br />5126.89 <br />5128.59 <br />5129.52 <br />5129.38 <br />5132.54 <br />5129.43 <br />5136.05 <br />5131.12 <br />5136.82 <br />5131.73 <br />5137.51 <br />5134.52 <br />5137.76 <br />5135.62 <br />5137.92 <br />5135.70 <br />5137.92 <br />5135.73 <br /> <br />50-Yr <br /> <br /> <br />5118.31 <br />5118.43 <br />5118.99 <br />5118.85 <br />5120.32 <br />5120.54 <br />5123.52 <br />5123.75 <br />5124.22 <br />5125.60 <br />5125.19 <br />5125.44 <br />5125.44 <br />5125.93 <br />5125.08 <br />5125.94 <br />5129.44 <br />5126.36 <br />5132.50 <br />5126.78 <br />5135.99 <br />5129.44 <br />5136.77 <br />5129.74 <br />5137.38 <br />5134.13 <br />5137.61 <br />5134.58 <br />5137.65 <br />5134.86 <br />5137.65 <br />5135.09 <br /> <br />10-Yr <br /> <br />5115.17 <br />5115.25 <br />5115.65 <br />5115.59 <br />5116.71 <br />5116.68 <br />5120.30 <br />5120.44 <br />5120.77 <br />5122.02 <br />5121.38 <br />5122.06 <br />5121.65 <br />5122.07 <br />5121.68 <br />5122.07 <br />5127.71 <br />5124.14 <br />5130.68 <br />5124.28 <br />5133.91 <br />5126.06 <br />5134.46 <br />5128.02 <br />5134.98 <br />5134.03 <br />5135.13 <br />5134.03 <br />5135.29 <br />5134.03 <br />5135.27 <br />5134.03 <br /> <br />500-Yr <br />~ <br />38677 <br />38677 <br />38677 <br />38677 <br />38677 <br />38677 <br />38677 <br />38677 <br />29872 <br />8806 <br />29872 <br />8806 <br />29872 <br />8806 <br />29872 <br />8806 <br />29872 <br />8806 <br />29872 <br />8806 <br />29872 <br />8806 <br />29872 <br />8806 <br />29872 <br />8806 <br />35678 <br />2999 <br />36077 <br />2600 <br />36077 <br />2600 <br /> <br />100-Yr <br /> <br />21800 <br />21800 <br />21800 <br />21800 <br />21800 <br />21800 <br />21800 <br />21800 <br />15650 <br />6150 <br />15650 <br />6150 <br />15650 <br />6150 <br />15650 <br />6150 <br />15650 <br />6150 <br />15650 <br />6150 <br />15650 <br />6150 <br />17650 <br />4150 <br />17650 <br />4150 <br />19200 <br />2600 <br />19200 <br />2600 <br />19200 <br />2600 <br /> <br /> <br />50-Yr <br /> <br />7400 <br />7400 <br />17400 <br />17400 <br />17400 <br />17400 <br />17400 <br />17400 <br />16836 <br />564 <br />15441 <br />564 <br />15441 <br />564 <br />15441 <br />564 <br />15441 <br />564 <br />15441 <br />1262 <br />15650 <br />1262 <br />16348 <br />564 <br />16348 <br />564 <br />17180 <br />151 <br />19200 <br />2600 <br />19200 <br />2600 <br /> <br />10-Yr <br /> <br />9700 <br />9700 <br />9700 <br />9700 <br />9700 <br />9700 <br />9700 <br />9700 <br />9700 <br />o <br />9700 <br />o <br />9700 <br />o <br />9700 <br />o <br />9700 <br />o <br />9700 <br />o <br />9700 <br />o <br />9700 <br />o <br />9700 <br />o <br />9700 <br />o <br />9700 <br />o <br />9700 <br />o <br /> <br />Thalweg <br />Elev. <br />(ft) <br />5103.75 <br />5104.00 <br />5104.89 <br />5105.10 <br />5107.31 <br />5108.40 <br />5110.40 <br />5110.60 <br />5111.01 <br />5124.00 <br />5111.68 <br />5122.00 <br />5112.04 <br />5124.00 <br />5116.00 <br />5126.00 <br />5122.00 <br />5126.00 <br />5125.00 <br />5126.00 <br />5122.00 <br />5126.00 <br />5122.00 <br />5128.00 <br />5122.00 <br />5134.00 <br />5122.29 <br />5134.00 <br />5122.80 <br />5134.00 <br />5123.30 <br />5134.00 <br /> <br />Section <br /> <br />160.85(CH) <br />160.85(FP) <br />170.85(CH) <br />170.85(FP) <br />171.85(CH) <br />171.85(FP) <br />180.85(CH) <br />180.85(FP) <br />190.85(CH) <br />190.85(FP) <br />191.85(CH) <br />191.85(FP) <br />200.85(CH) <br />200.85(FP) <br />210.85(CH) <br />210.85(FP) <br />220.85(CH) <br />220.85(FP) <br />230.85(CH) <br />230.85(FP) <br />250.85(CH) <br />250.85(FP) <br />260.85(CH) <br />260.85(FP) <br /> <br />80.85 <br />90.85 <br />110.85 <br />120.85 <br />130.85 <br />140.85 <br />50.85 <br />51.85 <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />I <br /> <br />Width from centerline looking downstream <br />Levee intact model run <br />Levee failure model run <br />Split flow reach, main channel flow <br />Split flow reach, floodplain flow <br />Not calculated <br /> <br />- <br /> <br />(1 <br />(LR) <br />(FLR) <br />(CH) <br />(FP) <br />NC <br /> <br />Note <br />
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