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<br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />1 <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br />I <br /> <br />Table 3 <br />Ralston Creek <br />Floodplain and Floodway Data Table for lOO-Year Discharges <br /> <br /> Flooding Source lOO-yr Floodplain Data Floodway Data <br /> 0.5-foot rise in EGL 1.0-foot rise in EGL <br /> Thalweg Floodway Width (ft) floooway Floodway Width (ft) Floodway <br />Identification Cross Section Statiou Elevation Discharge Flood Elevation Elevation Elevation <br /> (NA VD 88) (cfs) (NA VD 88) Left' Right' Total (NA VD 88) Left ' Right ' Total (NAVD 88) <br /> 219 430+56.16 5539.6 4409 5546.8 84 13 98 5547.2 48 49 97 5547.8 <br />Joyce Street 2t9.5 Bridge <br /> 220 431 +23.25 5541.5 4409 5550.5 81 19 100 5550.3 48 49 97 555t.t <br /> 22t 434+36.46 5545.1 4409 5553.4 87 124 211 5553.5 43 85 t28 5553.5 <br /> 22t.5 437+03.97 5546.4 4409 5556.6 234 12 246 5557.0 122 9 t31 5556.9 <br /> 222 442+48.94 5552.7 4409 5563.1 159 20 179 5563.4 134 20 154 5563.6 <br /> 223 445+56.73 5555.0 4409 5567.0 46 64 110 5567.3 48 62 110 5567.6 <br /> 224 446+21.49 5556.0 4409 5567.3 23 27 50 5567.0 34 33 67 5567.6 <br /> 224.5 446+62.96 5566.0 4409 5571.8 174 26 200 5572.4 169 31 200 5572.4 <br /> 225 447+23.33 5567.t 4409 5574.1 t69 32 20t 5574.1 169 32 20t 5574.2 <br /> 226 447+63.82 5567.4 4409 5575.5 293 28 321 5575.2 73 28 lOl 5574.3 <br /> 227 450+41.73 5569.4 4440 5575.9 279 104 383 5576.1 209 104 313 5576.9 <br /> 228 454+70.57 5570.6 4440 5576.4 231 9 240 5576.5 231 59 290 5577.3 <br /> 229 459+54.96 5570.6 4440 5582.0 431 251 682 5581.9 249 25 274 5581.9 <br /> 230 464+15.13 5579.2 4440 5586.0 69 53 t2t 5586.8 61 53 114 5586.7 <br /> 231 465+45.2 5579.9 4440 5588.1 73 60 133 5588.3 30 60 90 5588.3 <br /> 232 467+ 13.83 5581.0 4440 5590.5 15 74 89 5590.5 18 75 93 5591.2 <br /> 233 470+38.34 5585.3 4440 5592.7 113 87 200 5592.9 94 72 166 5593.0 <br /> 234 473+72.06 5588.3 4440 5596.7 162 66 227 5596.0 97 75 t72 5597.3 <br /> 235 476+85.01 5587.5 4440 5599.6 46 28 75 5599.3 45 29 74 5599.3 <br /> 236 482+15.65 5597.0 4440 5604.6 12 41 53 5604.6 t2 41 53 5604.6 <br />Quaker Street 236.5 MultOcen <br /> 237 483+83.01 5597.9 4440 5609.7 16 41 57 5609.4 16 41 57 5609.4 <br /> 238 489+91.94 5606.8 4440 56t5.2 39 70 115 5615.1 39 76 115 5615.t <br /> 239 496+34.72 5617.0 4440 5622.7 115 125 240 5622.9 97 25 t22 5622.9 <br /> 240 501+16.3 5622.6 4440 5629.2 34 165 199 5629.2 37 97 134 5629.2 <br /> 240.5 505+08.86 5626.0 4440 5634.9 45 52 97 5634.2 45 52 97 5634.2 <br /> 241 509+58.16 5632.0 4440 5639.1 29 255 284 5639.3 20 236 256 5639.9 <br /> 242 5t3+50.66 5636.9 4440 5643.2 54 44 98 5643.2 45 53 98 5643.2 <br /> 243 5t6+79.31 5640.9 4440 5646.7 74 111 185 5646.6 60 114 174 5646.8 <br /> 244 517+36.86 5640.8 4440 5648.0 57 84 14t 5648.0 55 lO5 160 5648.0 <br /> 245 518+49.93 5645.1 4440 5652.7 250 162 412 5653.1 218 112 330 5653.4 <br /> 246 519+40.81 5649.0 4440 5654.0 lO8 2lO 318 5654.6 65 t20 185 5654.9 <br /> 246.5 522+38.49 5653.5 4440 5658.8 65 154 219 5658.9 65 116 t81 5659.2 <br /> 247 524+91.32 5657.5 4440 5663.2 56 114 170 5663.2 52 77 t29 5663.5 <br /> 248 525+84.05 5658.7 4440 5664.5 98 162 260 5664.9 143 227 370 5665.5 <br />Arvada-Blunn Reservoir Discharge 249 530+50.13 5662.0 10 5665.4 22 14 36 5665.7 22 14 36 5665.9 <br /> 249.5 533+25.18 5665.6 lO 5666.5 11 t3 24 5666.5 11 13 24 5666.5 <br /> <br />* Distance Left and Right of Reference Line Looking Downstream <br /> <br />21 <br /> <br />Floodplain Reference Data 5_28JI4.xls <br />6/2212004 <br />