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HomeMy WebLinkAboutZ-8890-B Map 4Green Property Floodplain Analysis FTN No. 7200-002 Table 1: Summary Table Comparing WSEL for FIS, Pre-, and Post -project Floodway Runs for the 100-year discharge Pre -project refers to the existing FIS model with additional cross sections defining pre-FIS structures not originally modeled and without the new Green building. Post -project refers to the existing FIS model with additional cross sections defining pre-FIS structures not originally modeled and with the new Green building. CCFW2 CCFWEXST CCFWGRN 1 2 3 4 5 6 7 8 9 10 11 1 12 FIS FIS (2-1) Pre -project (4-1) Pre -project (6-4) (6-2) Post -project Post -project (10-9) (W-6) Station 100-yr WSEL FW WSEL (ft) Difference 100-yr WSEL Differerice FW WSEL (ft) Difference Difference 100-yr WSEL (ft) FW WSEL (ft) Difference Difference 0.072 298.25 299.25 1.00 298.25 0.00 299.25 1.00 0.00 298.25 299.25 1.00 0.00 0.091 298.44 299.43 0.99 298.44 0.00 299.43 0.99 0.00 298.44 299.43 0.99 0.00 0.139 301.38 301.72 0.34 301.38 0.00 301.72 0.34 0.00 301.38 301.72 0.34 0.00 0.156 301.56 302.11 0.55 301.56 0.00 302.11 0.55 0.00 301.56 302.11 0.55 0.00 0.250 301.78 302.56 0.78 301.78 0.00 302.56 0.78 0.00 301.78 302.56 0.78 0.00 * 0.399 302.70 303.60 0.91 302.81 0.11 303.86 1.05 0.26 302.81 303.86 1.05 0.00 * 0.415 302.79 303.72 0.92 302.89 0.10 303.94 1.05 0.23 302.89 303.94 1.05 0.00 * 0.416 302.80 303.72 0.92 302.88 0.08 303.93 1.05 0.21 302.88 303.93 1.05 0.00 ' * 0.430 302.89 303.82 0.93 302.95 0.06 303.99 1.04 0.17 302.95 303.99 1.04 0.00 s * 0.437 302.93 303.87 0.94 302.91 -0.02 303.93 1.02 0.06 302.91 303.93 1.02 0.00 3 * 0.456 303.05 304.00 0.96 303.07 0.02 304.13 1.06 0.13 303.07 304.13 1.06 0.00 n 0.530 303.50 304.52 1.02 303.33 -0.17 304.45 1.12 -0.07 303.33 304.45 1.12 0.00 0.970 305.88 306.71 0.83 305.73 -0.15 306.63 0.90 -0.08 305.73 306.63 0.90 0.00 1.460 307.80 308.77 0.97 307.75 -0.05 308.74 0.99 -0.03 307.75 308.74 0.99 0.00 1.930 309.66 310.59 0.93 309.64 -0.02 310.60 0.96 0.01 309.64 310.60 0.96 0.00 2.088 310.66 311.58 0.92 310.65 -0.01 311.62 0.97 0.04 310.65 311.62 0.97 0.00 2.247 311.87 312.82 0.95 311.87 0.00 312.87 1.00 0.05 311.87 312.87 1.00 0.00 2.253 316.06 316.06 0.00 316.06 0.00 316.06 0.00 0.00 316.06 316.06 0.00 0.00 2.269 316.93 316.63 -0.30 316.93 0.00 316.62 1 -0.31 -0.01 316.93 316.62 -0.31 0.00 * These cross sections were added into the original COE HEC-2 Floodway Model to facilitate the evaluation of pre- and post-FIS structures in that reach. Italicized WSELs were interpolated between known upstream & downstream WSELs DS face of new construction 2 US face of new construction 3 DS face of pre -FIRM building 4 US face of pre -FIRM building 0:\7200-002\MODELS\WORKING\Summary.xls