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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 />Note: \1) <br />(LR) <br />(FLR) <br />(CH) <br />(FP) <br />NC <br /> <br />- <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 />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 />18.1 <br />18.2 <br />18.3 <br />18.4 <br />18.5 <br />19.1 <br />19.19 <br />19.2 <br />19.3 <br />20 <br />20.5 <br /> <br />O(LR) <br />10(FLR) <br />12.9(LR) <br />12.9(FLR) <br />13(LR) <br />13(FLR) <br />13.1(LR) <br />13.1(FLR) <br />14(LR) <br />14(FLR) <br />15(LR) <br />15(FLR) <br />16(LR) <br />16(FLR) <br />17(LR) <br />17(FLR) <br />17.7(LR) <br />17.7(FLR) <br />17.9 <br /> <br />1 <br />2 <br />3 <br />4 <br />5 <br />6 <br />7 <br />7.' <br />8 <br />9 <br />9.5 <br /> <br />4944.15 <br />4948.10 <br />4949.60 <br />4950.30 <br />4950.46 <br />4950.50 <br />4951.80 <br />4953.90 <br />4955.90 <br />4959.42 <br />4970.00 <br />4958.49 <br />4970.00 <br />4970.01 <br />4970.00 <br />4965.93 <br />4970,00 <br />4968.00 <br />4970.00 <br />4969.60 <br />4976.00 <br />4971.64 <br />4979.61 <br />4975.04 <br />4984.00 <br />4981.74 <br />4981.90 <br />4982.13 <br />4982.10 <br />4982.10 <br />4982.42 <br />4981.92 <br />4984.32 <br />4986.00 <br />4986.00 <br />4990.20 <br />4990.20 <br />4987.61 <br />4990.80 <br /> <br />I <br /> <br />Section <br /> <br />Thalweg <br />Elev. <br />(ft) <br />4939.90 <br />4939.98 <br /> <br />11400 <br />11400 <br />11400 <br />11400 <br />11400 <br />11400 <br />11400 <br />11400 <br />11400 <br />11400 <br />11400 <br />11400 <br />11400 <br />11400 <br />11400 <br />11400 <br />11400 <br />11400 <br />11400 <br />11400 <br />11400 <br />11400 <br />11400 <br />11400 <br />11400 <br />11400 <br />11400 <br />11400 <br />11400 <br />11400 <br />11400 <br />11400 <br />11400 <br />11400 <br />11400 <br />11400 <br />11400 <br />11400 <br />11400 <br />11400 <br /> <br />25500 <br />25500 <br />25500 <br />25500 <br />25500 <br />25500 <br />25500 <br />25500 <br />25500 <br />25500 <br />25500 <br />25500 <br />25500 <br />25500 <br />25500 <br />25500 <br />25500 <br />25500 <br />25500 <br />25500 <br />25500 <br />25500 <br />25500 <br />25500 <br />25500 <br />25500 <br />25500 <br />25500 <br />25500 <br />25500 <br />25500 <br />25500 <br />25500 <br />25500 <br />25500 <br />25500 <br />25500 <br />25500 <br />25500 <br />25500 <br /> <br />33600 <br />33600 <br />33600 <br />33600 <br />33600 <br />33600 <br />33600 <br />33600 <br />33600 <br />33600 <br />33600 <br />33600 <br />33600 <br />33600 <br />33600 <br />33600 <br />33600 <br />33600 <br />33600 <br />33600 <br />33600 <br />33600 <br />33600 <br />33600 <br />33800 <br />33800 <br />33800 <br />33800 <br />33800 <br />33800 <br />33800 <br />33800 <br />33800 <br />33800 <br />33800 <br />33800 <br />33800 <br />33800 <br />33800 <br />33800 <br /> <br /> <br />10- Yr <br /> <br />50-Yr <br /> <br />100-Yr <br />cfs <br /> <br />500-Yr <br />~ <br />59446 <br />59446 <br />59446 <br />59446 <br />59446 <br />59446 <br />59446 <br />59446 <br />59446 <br />59446 <br />59446 <br />59446 <br />59446 <br />59446 <br />59446 <br />59446 <br />59446 <br />59446 <br />59446 <br />59446 <br />59446 <br />59446 <br />59446 <br />59446 <br />59446 <br />59800 <br />59800 <br />59800 <br />59800 <br />59800 <br />59800 <br />59800 <br />59800 <br />59800 <br />59800 <br />59800 <br />59800 <br />59800 <br />59800 <br />59800 <br />59800 <br /> <br />4948.30 <br />4948.64 <br />4953.01 <br />4955.99 <br />4957.93 <br />4960.44 <br />4960.78 <br />4960.92 <br />4962.37 <br />4965.99 <br />4967.33 <br />4969.45 <br />4969.45 <br />4970.59 <br />4970.63 <br />4977.01 <br />4971.89 <br />4978.36 <br />4973.19 <br />4978.58 <br />4974.71 <br />4978.51 <br />4979.69 <br />4983.43 <br />4982.02 <br />4986.94 <br />4986.64 <br />4990.16 <br />4990.04 <br />4990.23 <br />4990.26 <br />4990.48 <br />4990.57 <br />4990.75 <br />4991.19 <br />4993.36 <br />4993.83 <br />4994.26 <br />4995.67 <br />4998.29 <br />5000.70 <br /> <br />4953.10 <br />4954.00 <br />4955.78 <br />4958.25 <br />4961.04 <br />4962.40 <br />4964.10 <br />4964.65 <br />4965.84 <br />4967.78 <br />4969.13 <br />4972.77 <br />4972.30 <br />4973.89 <br />4973.13 <br />4978.92 <br />4974.00 <br />4980.56 <br />4974.84 <br />4980.97 <br />4976.46 <br />4981.35 <br />4981.18 <br />4985.63 <br />4983.51 <br />4989.52 <br />4988.38 <br />4993.05 <br />4992.79 <br />4993.04 <br />4993.04 <br />4993.47 <br />4993.67 <br />4993.81 <br />4994.07 <br />4995.82 <br />4996.48 <br />4996.82 <br />4997.90 <br />5000.99 <br />5003.51 <br /> <br />4955.69 <br />4955.99 <br />4956.83 <br />4959.07 <br />4961.81 <br />4963.29 <br />4963.79 <br />4965.34 <br />4966.63 <br />4968.55 <br />4969.77 <br />4974.04 <br />4973.29 <br />4975.21 <br />4974.03 <br />4979.58 <br />4974.84 <br />4981.48 <br />4975.41 <br />4981.98 <br />4977.07 <br />4982.40 <br />4981.60 <br />4984.50 <br />4984.15 <br />4988.78 <br />4988.98 <br />4994.71 <br />4993.76 <br />4994.13 <br />4994.07 <br />4994.66 <br />4994.97 <br />4995.10 <br />4995.33 <br />4996.79 <br />4997.65 <br />4997.45 <br />4998.54 <br />5001.97 <br />5004.54 <br /> <br />4975.22 <br />4978.13 <br />4976.01 <br />4981.35 <br />4976.52 <br />4984.21 <br />4976.91 <br />4984.26 <br />4978.48 <br />4984.71 <br />4982.81 <br />4986.03 <br />4985.69 <br />4990.52 <br />4990.53 <br />4995.91 <br />4995.90 <br />4996.65 <br />4996.35 <br />4997.53 <br />4998.21 <br />4998.31 <br />4998.49 <br />4999.53 <br />4999.82 <br />4999.68 <br />5000.12 <br />5004.07 <br />5006.90 <br /> <br />4971 <br />4971 <br />4976 <br /> <br /> <br />10-Yr <br /> <br />50-Yr <br /> <br />100-Yr <br /> <br />500- Yr <br />~ <br />4957.68 <br />4957.89 <br />4958.84 <br />4961.43 <br />4963.48 <br />4965.30 <br />4969.49 <br />4969.64 <br />4969.93 <br /> <br />.04 <br />75 <br />13 <br /> <br />3770 <br />4535 <br />4124 <br />3958 <br />2812 <br />3672 <br />4326 <br />3830 <br />3487 <br />2594 <br />972 <br />3008 <br />300 <br />3592 <br />287 <br />3602 <br />399 <br />3549 <br />471 <br />3509 <br />1637 <br />2402 <br />1971 <br />2222 <br />1684 <br />1961 <br />1206 <br />1428 <br />1027 <br />920 <br />988 <br />3147 <br />3698 <br />3682 <br />2225 <br />2345 <br />2345 <br />2281 <br />2531 <br />3910 <br /> <br />Width <br />ft <br /> <br /> <br />Avg. <br />Vel. <br />~ <br />4.3 <br />3.6 <br />5.2 <br />8.9 <br />8.2 <br />9.5 <br />10.4 <br />6.9 <br />6.1 <br />6.4 <br />10.8 <br />7.7 <br />5.1 <br />14.6 <br />9.3 <br />13.8 <br />7.7 <br />6.5 <br />9.3 <br />2.6 <br />8.7 <br />4.4 <br />5.7 <br />9.3 <br />5.5 <br />11.1 <br />8.2 <br />5.6 <br />6.1 <br />5.1 <br />5.8 <br />4.4 <br />3.1 <br />3.4 <br />5.5 <br />9.0 <br />7.8 <br />10.- <br />7.4 <br />7.8 <br />6.0 <br /> <br />2947 <br />3243 <br />1691 <br />1328 <br />1639 <br />1724 <br />1765 <br />1563 <br />165 <br />190 <br />NC <br />549 <br />NC <br />81 <br />NC <br />74 <br />NC <br />110 <br />NC <br />131 <br />NC <br />1137 <br />NC <br />1058 <br />NC <br />1282 <br />NC <br />834 <br />489 <br />432 <br />205 <br />132 <br />95 <br />415 <br />204 <br />172 <br />172 <br />166 <br />394 <br />1286 <br /> <br />138 <br />75 <br />233 <br />164 <br />154 <br />114 <br />135 <br />710 <br />2143 <br />735 <br />NC <br />2460 <br />NC <br />3262 <br />NC <br />3305 <br />NC <br />3326 <br />NC <br />3325 <br />NC <br />1934 <br />NC <br />1708 <br />NC <br />654 <br />NC <br />125 <br />271 <br />415 <br />654 <br />783 <br />1055 <br />1066 <br />1006 <br />946 <br />946 <br />889 <br />166 <br />221 <br /> <br />3085 <br />3319 <br />1925 <br />1492 <br />1793 <br />1838 <br />1899 <br />2273 <br />2308 <br />925 <br />NC <br />3009 <br />NC <br />3343 <br />NC <br />3379 <br />NC <br />3436 <br />NC <br />3457 <br />NC <br />3071 <br />NC <br />2766 <br />NC <br />1937 <br />NC <br />959 <br />760 <br />847 <br />859 <br />915 <br />1149 <br />1481 <br />1211 <br />1118 <br />1118 <br />1055 <br />560 <br />1507 <br /> <br />4.6 <br />2.4 <br />2.5 <br />5.5 <br />5.0 <br />5.0 <br />7.5 <br />3.8 <br />2.8 <br />3.0 <br />8.2 <br />NC <br />2.8 <br />NC <br />3.6 <br />NC <br />4.5 <br />NC <br />4.6 <br />NC <br />3.4 <br />NC <br />3.4 <br />NC <br />2.8 <br />NC <br />4.9 <br />NC <br />4.8 <br />3.9 <br />6.0 <br />4.5 <br />3.8 <br />4.9 <br />3.9 <br />7.4 <br />6.8 <br />9.2 <br />6.7 <br />6.1 <br />4.0 <br /> <br /> <br />FW <br />Width <br />Left(1) <br /> <br />FW <br />Width <br />Right(1 <br />ft <br /> <br />FW <br />Width <br />Total <br /> <br />Avg. <br />Vel. <br /> <br />4984.65 <br />NC <br />4989.49 <br />NC <br />4994.23 <br />4994.60 <br />4994.55 <br />4995.08 <br />4995.26 <br />4995.35 <br />4995.82 <br />4997.24 <br />4997.78 <br />4997.43 <br />4998.71 <br />5002.38 <br />5004.95 <br /> <br />NC <br />4975.14 <br />NC <br /> <br />Floodway <br />Elev. <br />(ft) <br />4955.69 <br />4956.31 <br />4957.31 <br />4959.53 <br />4962.30 <br />4963.74 <br />4964.00 <br />4965.49 <br />4966.83 <br />4969.04 <br />4970.27 <br />NC <br />4973.61 <br />NC <br />4974.46 <br /> <br />NC <br />4981.86 <br />NC <br /> <br />4975.82 <br />NC <br />4977.47 <br /> <br />3663 <br />2712 <br />2983 <br />1550 <br />1280 <br />1482 <br />1563 <br />1612 <br />1527 <br />165 <br />190 <br />NC <br />134 <br />NC <br />64 <br />NC <br />74 <br />NC <br />110 <br />NC <br />131 <br />NC <br />825 <br />NC <br />810 <br />NC <br />1280 <br />NC <br />834 <br />489 <br />432 <br />205 <br />132 <br />95 <br />415 <br />204 <br />172 <br />172 <br />166 <br />394 <br />852 <br /> <br /> <br />FW <br />Width <br />Left(l) <br /> <br />FW <br />Width <br />Right(1 <br />--.C!!L <br />158 <br />134 <br />76 <br />233 <br />164 <br />154 <br />114 <br />135 <br />700 <br />1814 <br />695 <br />NC <br />2091 <br />NC <br />2935 <br />NC <br />2985 <br />NC <br />3020 <br />NC <br />3072 <br />NC <br />1578 <br />NC <br />1388 <br />NC <br />529 <br />NC <br />125 <br />271 <br />415 <br />654 <br />783 <br />1031 <br />912 <br />604 <br />564 <br />564 <br />518 <br />166 <br />22 <br /> <br />3821 <br />2847 <br />3059 <br />1784 <br />1444 <br />1636 <br />1678 <br />1747 <br />2227 <br />1979 <br />885 <br />NC <br />2224 <br />NC <br />2998 <br />NC <br />3059 <br />NC <br />3130 <br />NC <br />3203 <br />NC <br />2403 <br />NC <br />2198 <br />NC <br />1810 <br />NC <br />959 <br />760 <br />847 <br />859 <br />915 <br />1125 <br />1327 <br />808 <br />736 <br />736 <br />684 <br />560 <br />073 <br /> <br />5. <br />3.4 <br />2.7 <br />5.9 <br />4.6 <br />4.7 <br />7.1 <br />3.8 <br />2.9 <br />3.3 <br />7.8 <br />NC <br />3.6 <br />NC <br />3.7 <br />NC <br />4.5 <br />NC <br />4.3 <br />NC <br />3.5 <br />NC <br />3.5 <br />NC <br />3.2 <br />NC <br />4.7 <br />NC <br />6.0 <br />4.6 <br />5.8 <br />4.4 <br />3.7 <br />4.7 <br />4.2 <br />8.8 <br />8.2 <br />9.8 <br />8.4 <br />6.5 <br />4.9 <br /> <br />4955.69 <br />4956.33 <br />4957.71 <br />4960.07 <br />4962.75 <br />4963.93 <br />4964.14 <br />4965.51 <br />4966.85 <br />4969.16 <br />4970.52 <br />NC <br />4973.85 <br />NC <br />4974.98 <br />NC <br />4975.61 <br />NC <br />4976.22 <br />NC <br />4977.69 <br />NC <br />4982.08 <br />NC <br />4984.95 <br />NC <br />4989.98 <br />NC <br />4994.48 <br />4994.96 <br />4994.99 <br />4995.46 <br />4995.63 <br />4995.71 <br />4996.09 <br />4997.45 <br />4997.96 <br />4997.50 <br />4998.59 <br />5002.86 <br />5005.34 <br /> <br />FW <br />Width <br />Total <br /> <br />Avg. <br />Vel. <br /> <br />Floodway <br />Elev. <br /> <br />I <br /> <br />Peak Discharge Data <br /> <br />Water <br /> <br />Surface Elevation Data <br /> <br />100-Yr <br />Floodplain <br /> <br />100-Yr Floodway (FW) Data <br />(0.5 ft rise in WSEL) <br /> <br />100-Yr Floodway (FW) Data <br />(1.0 ft rise in WSEL) <br /> <br />I <br /> <br />I <br /> <br />APPENDIX B <br /> <br />FLOODPLAIN AND FLOODWAY DATA <br /> <br />4/8/05 <br />
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