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Last modified
11/23/2009 12:41:32 PM
Creation date
5/9/2007 1:33:47 PM
Metadata
Fields
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 />I <br />. <br /> <br />4/8/05 <br /> <br />100-Yr Floodway (FW) Data <br />(1.0 ft rise in WSEL) <br /> <br />I <br /> <br />Floodway <br />Elev. <br /> <br />Avg. <br />Vel. <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 />I <br /> <br />I <br /> <br />5007.12 <br />5008.62 <br />5010.72 <br />5011.37 <br />5013.43 <br />5015.76 <br />5016.58 <br />5017.03 <br />5017.83 <br />5018.64 <br />5022.02 <br />5028.25 <br />5033.38 <br />5033.98 <br />5034.30 <br />5037.20 <br />5041.69 <br />5043.63 <br />5044.23 <br />5045.08 <br />5047.09 <br />5048.38 <br />5049.21 <br />5050.70 <br />5052.67 <br />5053.08 <br />5054.69 <br />5055.32 <br />5055.87 <br />5057.15 <br />5057.87 <br />5058.51 <br />5058.80 <br />5058.95 <br />5059.49 <br />5059.69 <br />5059.98 <br />5060.22 <br />5060.73 <br />5061.65 <br />5062.38 <br /> <br /> <br />5.2 <br />5.3 <br />4.1 <br />2.3 <br />7.3 <br />5.1 <br />3.9 <br />3.7 <br />2.7 <br />4.7 <br />5.9 <br />4.6 <br />4.7 <br />4.4 <br />3.9 <br />3.4 <br />7.6 <br />4.1 <br />3.9 <br />4.3 <br />4.9 <br />4.7 <br />10.4 <br />7.2 <br />3.5 <br />3.5 <br />3.8 <br />4.1 <br />3.6 <br />3.1 <br />3.9 <br />3.8 <br />3.6 <br />4.4 <br />3.6 <br />3.6 <br />3.5 <br />3.5 <br />4.5 <br />4.5 <br />3.8 <br /> <br />FW <br />Width <br />Total <br />J!!L <br />591 <br />559 <br />336 <br />303 <br />216 <br />220 <br />238 <br />471 <br />1100 <br />1425 <br />2037 <br />2340 <br />2959 <br />2938 <br />2983 <br />2755 <br />2177 <br />2288 <br />2574 <br />2500 <br />1992 <br />1666 <br />1580 <br />1490 <br />1719 <br />2257 <br />2655 <br />2550 <br />2614 <br />2692 <br />2443 <br />2355 <br />2343 <br />2312 <br />2289 <br />2302 <br />2267 <br />2148 <br />1917 <br />1788 <br />503 <br /> <br />FW <br />Width <br />Right(l <br />ill <br />202 <br />418 <br />171 <br />135 <br />96 <br />93 <br />111 <br /> <br />100-Yr Floodway (FW) Data <br />(0.5 ft rise in WSEL) <br /> <br />FW <br />Width <br />Left(1 ) <br /> <br />Floodway <br />Elev. <br /> <br />Avg. <br />Vel. <br /> <br />200 <br />509 <br />772 <br />402 <br />1631 <br />2702 <br />2806 <br />2869 <br />2565 <br />2007 <br />2150 <br />2461 <br />2405 <br />1898 <br />1448 <br />1463 <br />1400 <br />1151 <br />727 <br />720 <br />531 <br />378 <br />151 <br />83 <br />124 <br />123 <br />151 <br />142 <br />132 <br />119 <br />109 <br />105 <br />109 <br />104 <br /> <br />389 <br />142 <br />165 <br />168 <br />120 <br />127 <br />127 <br />271 <br />591 <br />653 <br />1636 <br />709 <br />257 <br />132 <br />114 <br />190 <br />170 <br />138 <br />113 <br />95 <br />95 <br />218 <br />117 <br />90 <br />568 <br />1530 <br />1935 <br />2019 <br />2236 <br />2540 <br />2361 <br />2232 <br />2220 <br />2161 <br />2147 <br />2170 <br />2148 <br />2038 <br />1812 <br />1680 <br />1399 <br /> <br /> <br />5006.53 <br />5008.16 <br />5010.20 <br />5010.98 <br />5013.43 <br />5015.76 <br />5016.58 <br />5017.03 <br />5017.84 <br />5018.52 <br />5021.60 <br />5028.17 <br /> <br />5032.84 <br />5033.15 <br />5033.76 <br />5036.73 <br />5041.27 <br />5043.06 <br />5043.56 <br />5044.59 <br />5046.72 <br />5047.96 <br />5049.25 <br />5050.70 <br />5052.69 <br />5053.04 <br />5054.19 <br />5055.33 <br />5055.72 <br />5056.81 <br />5057.48 <br />5057.96 <br />5058.31 <br />5058.52 <br />5058.98 <br />5059.17 <br />5059.49 <br />5059.71 <br />5060.22 <br /> <br />24 <br />88 <br /> <br />5061 <br />5061 <br /> <br />5.2 <br />4.3 <br />4.5 <br />2.4 <br />7.3 <br />5.1 <br />3.9 <br />3.7 <br />2.4 <br />3.8 <br />6.2 <br />4.2 <br />4.0 <br />5.5 <br />4.3 <br />2.9 <br />7.1 <br />3.5 <br />3.9 <br />4.3 <br />4.6 <br />4.5 <br />10.3 <br />7.1 <br />3.0 <br />2.8 <br />4.4 <br />3.3 <br />3.1 <br />2.9 <br />3.4 <br />3.7 <br />3.4 <br />4.0 <br />3.4 <br />3.4 <br />3.2 <br />3.3 <br />4.3 <br />4.2 <br />4.2 <br /> <br />FW <br />Width <br />Total <br />J!!L <br />597 <br />585 <br />441 <br />309 <br />216 <br />220 <br />238 <br />734 <br />1658 <br />2232 <br />3262 <br />2629 <br />3348 <br />3336 <br />3389 <br />3205 <br />2561 <br />2832 <br />3031 <br />2982 <br />2264 <br />1887 <br />1826 <br />1783 <br />2178 <br />2750 <br />3048 <br />3154 <br />3273 <br />3153 <br />2916 <br />2778 <br />2754 <br />2710 <br />2669 <br />2681 <br />2622 <br />2542 <br />2170 <br />1944 <br />1842 <br /> <br />FW <br />Width <br />Right(1 <br />ft <br /> <br />202 <br />443 <br />277 <br />141 <br />96 <br />92 <br />111 <br />200 <br />509 <br />772 <br />747 <br />1920 <br />3089 <br />3202 <br />3275 <br />3015 <br />2391 <br />2694 <br />2919 <br />2887 <br />2169 <br />1669 <br />1708 <br />1693 <br />1156 <br />984 <br />790 <br />759 <br />657 <br />151 <br />83 <br />124 <br />123 <br />151 <br />142 <br />132 <br />119 <br />109 <br />105 <br />109 <br />104 <br /> <br />FW <br />Width <br />Left(l) <br /> <br />J!!L <br />395 <br />142 <br />165 <br />168 <br />120 <br />127 <br />127 <br />534 <br />1149 <br />1460 <br />2515 <br />709 <br />259 <br />134 <br />114 <br />190 <br />170 <br />138 <br />113 <br />95 <br />95 <br />218 <br />117 <br />90 <br />1022 <br />1767 <br />2258 <br />2395 <br />2616 <br />3001 <br />2833 <br />2655 <br />2631 <br />2559 <br />2527 <br />2549 <br />2503 <br />2432 <br />2065 <br />1836 <br />1738 <br /> <br />FLOODPLAIN AND FLOODWAY DATA <br /> <br />100-Yr <br />Floodplain <br /> <br />APPENDIX B <br /> <br />Avg. <br />Vel. <br /> <br />Width <br /> <br /> <br />7.2 <br />6.4 <br />2.0 <br />9.9 <br />10.3 <br />8.0 <br />7.8 <br />4.4 <br />5.9 <br />9.0 <br />6.3 <br />8.1 <br />5.5 <br />3.8 <br />2.3 <br />10.0 <br />6.0 <br />6.4 <br />6.4 <br />7.4 <br />6.1 <br />12.6 <br />9.9 <br />3.9 <br />4.0 <br />10.3 <br />7.6 <br />7.0 <br />6.5 <br />6.9 <br />8.1 <br />7.0 <br />8.1 <br />7.0 <br />7.1 <br />6.7 <br />7.0 <br />9.8 <br />7.8 <br />7.0 <br /> <br />2962 <br />2572 <br />2700 <br />2171 <br />2945 <br />3845 <br />3895 <br />4399 <br />4165 <br />4036 <br />4120 <br />3972 <br />4299 <br />4358 <br />3974 <br />3150 <br />3224 <br />3336 <br />3404 <br />4203 <br />4145 <br />4022 <br />4024 <br />5033 <br />4929 <br />4097 <br />4251 <br />4371 <br />4192 <br />4169 <br />4113 <br />4113 <br />4087 <br />4079 <br />4147 <br />4078 <br />4206 <br />3936 <br />3454 <br />3312 <br /> <br />500-Yr <br />-1!!L <br />5008.32 <br />5009.91 <br />5012.13 <br />5012.94 <br />5014.19 <br />5017.17 <br /> <br />5017.24 <br />5018.66 <br />5019.50 <br />5020.30 <br />5022.99 <br />5029.44 <br />5033.99 <br />5034.46 <br />5034.71 <br />5037.80 <br /> <br />5041.68 <br />5043.87 <br /> <br />5044.51 <br />5045.36 <br />5047.61 <br />5049.11 <br />5052.17 <br />5053.22 <br />5054.99 <br /> <br />5055.19 <br />5056.17 <br /> <br />5056.68 <br />5056.98 <br />5057.94 <br />5058.64 <br />5059.02 <br />5059.26 <br />5059.54 <br />5059.89 <br />5060.11 <br />5060.43 <br />5060.71 <br />5061.37 <br />5062.32 <br />5063.06 <br /> <br />Water Surface Elevation Data <br /> <br />Peak Discharge Data <br /> <br />100- Yr <br />ft <br /> <br />3 <br />5007.68 <br />5009.92 <br />5010.59 <br />5013.04 <br />5015.81 <br />5016.58 <br />5017.06 <br />5017.87 <br />5018.52 <br />5021.21 <br />5027.93 <br />5032.40 <br />5033.00 <br />5033.30 <br />5036.24 <br />5040.97 <br />5042.64 <br />5043.25 <br />5044.09 <br />5046.29 <br />5047.56 <br />5049.22 <br />5050.70 <br />5052.69 <br />5052.91 <br />5053.70 <br />5054.92 <br />5055.33 <br />5056.43 <br />5057.16 <br />5057.54 <br />5057.86 <br />5058.10 <br />5058.49 <br />5058.69 <br />5058.98 <br />5059.23 <br />5059.80 <br />5061.21 <br />5061.68 <br /> <br /> <br />5006.55 <br />5009.01 <br />5009.63 <br />5009.29 <br />5017.62 <br />5017.62 <br />5017.75 <br />5018.07 <br />5018.43 <br />5020.28 <br />5027.25 <br />5031.78 <br />5032.43 <br />5032.79 <br />5035.62 <br />5040.69 <br />5042.19 <br />5042.78 <br />5043.62 <br />5045.78 <br />5046.95 <br />5046.53 <br />5051.88 <br />5052.55 <br />5052.70 <br />5052.97 <br />5054.34 <br />5054.78 <br />5055.88 <br />5056.58 <br />5056.95 <br />5057.33 <br />5057.56 <br />5057.92 <br />5058.11 <br />5058.40 <br />5058.64 <br />5059.15 <br />5060.73 <br />5061 . 12 <br /> <br />50-Yr <br />ft <br /> <br />10-Yr <br />ft <br /> <br />5003.38 <br />5004.18 <br />5006.37 <br />5007.04 <br />5006.41 <br />5011.07 <br />5011.87 <br />5011.31 <br />5014.16 <br />5015.01 <br />5018.06 <br />5024.15 <br />5029.36 <br />5030.86 <br />5031.83 <br />5034.19 <br />5039.49 <br />5040.95 <br />5041 .45 <br />5042.30 <br />5044.63 <br />5045.47 <br />5045.73 <br />5046.82 <br />5048.12 <br />5048.51 <br />5049.95 <br />5052.44 <br />5053.43 <br />5054.51 <br />5055.24 <br />5055.47 <br />5055.82 <br />5056.05 <br />5056.48 <br />5056.66 <br />5056.93 <br />5057.15 <br />5058.04 <br />5059.68 <br />5059.84 <br /> <br />500-Yr <br /> <br />59800 <br />59800 <br />59800 <br />59800 <br />59800 <br />59800 <br />60508 <br />60508 <br />60508 <br />61569 <br />62631 <br />63692 <br />63692 <br />62985 <br />62985 <br />62985 <br />62985 <br />62985 <br />62985 <br />62985 <br />62985 <br />62985 <br />62985 <br />62985 <br />62985 <br />64400 <br />64400 <br />64400 <br />64400 <br />64400 <br />64400 <br />64400 <br />64400 <br />64400 <br />64400 <br />64400 <br />64400 <br />64400 <br />64400 <br />64400 <br />64400 <br /> <br /> <br />100-Yr <br /> <br />33800 <br />33800 <br />33800 <br />33800 <br />33800 <br />33800 <br />34200 <br />34200 <br />34200 <br />34800 <br />35400 <br />36000 <br />36000 <br />35600 <br />35600 <br />35600 <br />35600 <br />35600 <br />35600 <br />35600 <br />35600 <br />35600 <br />35600 <br />35600 <br />35600 <br />36400 <br />36400 <br />36400 <br />36400 <br />36400 <br />36400 <br />36400 <br />36400 <br />36400 <br />36400 <br />36400 <br />36400 <br />36400 <br />36400 <br />36400 <br />36400 <br /> <br />25500 <br />25500 <br />25500 <br />25500 <br />25500 <br />27000 <br />27000 <br />27000 <br />27000 <br />27000 <br />27500 <br />27500 <br />27500 <br />27500 <br />27500 <br />27500 <br />27500 <br />27500 <br />27500 <br />27500 <br />27500 <br />27500 <br />27500 <br />27500 <br />27500 <br />27500 <br />27500 <br />27500 <br />27500 <br />27500 <br />27500 <br />27500 <br />27500 <br />27500 <br />27500 <br />27500 <br />27500 <br />27500 <br />27500 <br />27500 <br />27500 <br /> <br />50-Yr <br /> <br />10- Yr <br />~ <br />11400 <br />11400 <br />11400 <br />11400 <br />11400 <br />12300 <br />12300 <br />12300 <br />12300 <br />12300 <br />12700 <br />12700 <br />12700 <br />12700 <br />12700 <br />12700 <br />12700 <br />12700 <br />12700 <br />12700 <br />12700 <br />12700 <br />12700 <br />12700 <br />12700 <br />12700 <br />12700 <br />12700 <br />12700 <br />12700 <br />12700 <br />12700 <br />12700 <br />12700 <br />12700 <br />12700 <br />12700 <br />2700 <br />2700 <br />2700 <br />2700 <br /> <br />Thalweg <br />Elev. <br />(ft) <br />4993.26 <br />4994.30 <br />4995.60 <br />4998.51 <br />4999.80 <br />5000.44 <br />5000.00 <br />5005.00 <br />5002.02 <br />5003.40 <br /> <br />5005.18 <br />5011.60 <br />5017.00 <br />5021.03 <br />5029.96 <br />5029.91 <br />5032.09 <br />5031.32 <br />5032.40 <br />5033.35 <br />5034.06 <br />5035.20 <br />5035.60 <br />5034.89 <br />5035.36 <br />5037.65 <br />5038.99 <br />5044.20 <br />5046.16 <br />5047.01 <br />5047.01 <br />5047.01 <br />5048.33 <br />5048.33 <br />5048.33 <br />5048.33 <br />5048.68 <br />5048.88 <br />5047.70 <br />5048.30 <br />5048.70 <br /> <br />Section <br /> <br />34.305 <br />34.335 <br /> <br />34.36 <br />35 <br />35.9 <br />36 <br />37 <br />37.1 <br />38 <br />38.9 <br />39 <br />39.1 <br />39.5 <br />39.66 <br />39.68 <br />39.7 <br />39.74 <br />39.76 <br />39.78 <br />39.8 <br />39.9 <br />40 <br />41 <br />41.1 <br /> <br />21 <br />22 <br />23 <br />24 <br />25 <br />26 <br />26.4 <br />26.5 <br />27 <br />28 <br />29 <br />30 <br />30.9 <br />31 <br />31.1 <br />33 <br />34 <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 />Note: ( <br />(LR) <br />(FLR) <br />(CH) <br />(FP) <br />NC <br />
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