Phase A - Alternatives Analysis Report - Urban Drainage and Flood ...

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PHASE A – ALTERNATIVES ANALYSIS REPORTMajor Drainageway Planning Update for Hidden Lake-Bates LakeSubbasinArea(acre)Area(mi 2 )DistancetoCentroid(miles)Length(miles)Table B-1CUHP Sub Basin CharacteristicsSlope(ft/ft)PercentImperviousnessDepression StoragePervious(inches)Impervious(inches)Horton's Infiltration ParametersHorton'sInitialFinalDecayRateRateCoefficient(in/hr)(in/hr)(1/Seconds)H-1 111 0.174 0.4782 0.8049 0.0405 43.08 0.35 0.1 3 0.0018 0.5H-2 50 0.078 0.3409 0.7102 0.0443 34.84 0.35 0.1 3 0.0018 0.5H-3 157 0.246 0.5492 0.9564 0.0396 48.91 0.35 0.1 3 0.0018 0.5H-4 121 0.189 0.3977 0.7007 0.0405 48.48 0.35 0.1 3 0.0018 0.5H-5 111 0.174 0.4261 0.6439 0.0241 46.81 0.35 0.1 3 0.0018 0.5H-6 83 0.130 0.5019 0.8523 0.0284 49.91 0.35 0.1 3 0.0018 0.5H-7 96 0.149 0.2888 0.7528 0.0151 37.84 0.35 0.1 3 0.0018 0.5H-8 89 0.139 0.4640 0.6439 0.0294 46.15 0.35 0.1 3 0.0018 0.5H-9 118 0.185 0.3883 0.7765 0.0219 61.98 0.35 0.1 3 0.0018 0.5H-10 117 0.182 0.3504 0.5966 0.0419 52.61 0.35 0.1 3 0.0018 0.5H-11 156 0.244 0.1000 0.2462 0.0520 77.85 0.35 0.1 3 0.0018 0.5H-12 98 0.153 0.2462 0.6250 0.0182 48.18 0.35 0.1 3 0.0018 0.5H-13 58 0.091 0.3977 0.7008 0.0162 48.00 0.35 0.1 3 0.0018 0.5H-14 99 0.155 0.3883 0.9564 0.0166 43.80 0.35 0.1 3.337 0.0016 0.585H-15 147 0.229 0.7196 1.4960 0.0278 69.41 0.35 0.1 3 0.0018 0.5H-16 83 0.129 0.0500 0.1136 0.0200 75.07 0.35 0.1 3.444 0.0016 0.611B-1 82 0.128 0.3125 0.8617 0.0145 48.87 0.35 0.1 3 0.0018 0.5B-2* 110 0.172 0.1799 0.5492 0.0110 54.01 0.35 0.1 3 0.0018 0.5B-3 121 0.189 0.3598 0.7102 0.0219 72.00 0.35 0.1 3 0.0018 0.5B-4 105 0.164 0.4924 0.8143 0.0232 64.78 0.35 0.1 3.016 0.0018 0.504B-5 49 0.077 0.4640 0.7860 0.0072 76.21 0.35 0.1 3.18 0.0017 0.539B-6 97 0.151 0.4640 0.8901 0.0264 57.19 0.35 0.1 3 0.0018 0.5B-7 165 0.258 0.5777 0.9280 0.0176 55.67 0.35 0.1 3.094 0.0017 0.524B-8 29 0.046 0.2083 0.4261 0.0151 80.59 0.35 0.1 3.648 0.0014 0.662B-9 133 0.207 0.4451 0.8428 0.0081 71.92 0.35 0.1 3.824 0.0013 0.706C-1 62 0.096 0.3125 0.4356 0.0061 45.03 0.35 0.1 4.154 0.0012 0.788C-2 162 0.252 0.5397 1.0410 0.0058 55.89 0.35 0.1 3.454 0.0016 0.614C-3 93 0.145 0.6629 1.0320 0.0169 56.13 0.35 0.1 3.466 0.0015 0.617C-4 111 0.173 0.2746 0.6250 0.0091 95.00 0.35 0.1 4.296 0.0011 0.824C-5 120 0.187 0.1894 0.6629 0.0211 48.62 0.35 0.1 3.696 0.0014 0.674Total Area = 4.89 Composite Imperviousness = 57.21*Variable Imperviousness: 2-yr=47.46, 5-yr=48.82, 10-yr=50.07, 25-yr=51.22, 50-yr=54.01, 100-yr=54.01
PHASE A – ALTERNATIVES ANALYSIS REPORTMajor Drainageway Planning Update for Hidden Lake-Bates LakeTable B-2Existing Detention BasinsEPA SWMM Input CharacteristicsBates Lake / Homestead Park Hidden LakeDesign Point #200 Design Point #110The stage / discharge relationship for this lake is based on the information provided in the 1975 MajorDrainageway Planning Hidden Lakes-Bates Lake Phase B Report for the Future Development, ExistingDrainage Facilities condition. The stage / storage relationship was calculated from the available 2-controurtopography.The storage / discharge relationship for this lake is based on the information provided in the 1975 MajorDrainageway Planning Hidden Lakes-Bates Lake Phase B Report for the Future Development, ExistingDrainage Facilities condition.Storage Table Discharge Table Storage Table Discharge TableStage Area Storage Stage Discharge Stage Area Storage Stage Discharge(ft) (Ac) (Ac-ft) (ft) (cfs) (ft) (Ac) (Ac-ft) (ft) (cfs)5326.0 0.00 0.00 5328.75 22 5283.0 100.0 0.00 5283.3 225328.0 1.90 1.90 5332.50 25 5283.3 100.7 30.11 5283.6 745330.0 4.55 8.35 5335.50 26 5283.6 101.5 60.44 5284.2 2195332.0 9.02 21.92 5284.2 102.7 121.69 5284.8 4165284.8 104.3 183.80 5285.0 4935285.0 104.8 204.71 5285.2 5755285.2 105.3 225.71 5285.5 7055285.5 106.0 257.41 5285.8 1,1505285.8 106.7 289.32 5286.0 1,6055286.0 107.3 310.72 5286.5 3,0755286.5 108.5 364.67 5287.0 4,9355287.0 109.7 419.22 5287.5 7,0805287.5 111.0 474.39 5288.0 9,4905288.0 112.2 530.19
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MAJOR DRAINAGEWAY PLANNINGUPDATE FO
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PHASE A - ALTERNATIVES ANALYSIS REP
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P I E R C E S TW A D S W O R T H B
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CP I E R C E S TW A D S W O R T H B
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Page 23 and 24: 184812P I E R C E S TW A D S W O R
Page 25 and 26: Figure 3-3 Hidden Lake Peak Dischar
Page 27 and 28: 450400350Sheriden Blvd.North of Rai
Page 29 and 30: PHASE A - ALTERNATIVES ANALYSIS REP
Page 35 and 36: 48121830X1948W 76TH AV2724818242415
Page 37 and 38: W 72ND AV273324W 70TH AV722760W 69T
Page 39 and 40: LegendHEC-RAS CenterlineMajor Basin
Page 41 and 42: 483618483624W 64TH AV24TENNYSON ST3
Page 43 and 44: 18HiddenLakeWADSWORTH BD1830X1953LA
Page 45 and 46: 1230TENNYSON ST9624SHERIDAN BDWOLFF
Page 49 and 50: PHASE A - ALTERNATIVES ANALYSISMajo
Page 55 and 56: 48121830X1948W 76TH AV2724218182424
Page 57 and 58: LegendHEC-RAS CenterlineMajor Basin
Page 59 and 60: 18HiddenLake18WADSWORTH BD1830X1953
Page 63 and 64: APPENDIX AMeeting MinutesPHASE A -
Page 73: APPENDIX BHydrologic AnalysisPHASE
Page 77 and 78: Identification#ElementTypeLocationP
Page 89 and 90: APPENDIX CHydraulic AnalysisPHASE A
Page 91 and 92: Table C-1 HEC-RAS Summary TablePHAS
Page 105 and 106: Jim Baker Reservoir SpillwayPHASE A
Page 107: APPENDIX DLegal OpinionPHASE A - AL
Page 113 and 114: APPENDIX EEnvironmental InventoryPH
Page 115 and 116: APPENDIX FDamage AnalysisPHASE A -
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Phase A - Alternatives Analysis Report - Urban Drainage and Flood ...

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