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<br />. <br /> <br />structures were successful in diverting all of the 9,700 cfs flood <br />flow to the north under the highway bridge and trestle. No flow <br />was split and diverted to the east through the town of Paoli. <br />Flared cross sections, expansion and contraction coefficients, pier <br />shape coefficients, total loss coefficients and Manning's N values <br />remained the same as modelled under the existing conditions. Table <br />III.A.1 shows the water surface elevations and channel lengths for <br />this model run. <br /> <br /> Table III.A.1 <br /> Alternative #1 <br /> Summary of HEC-2 Water Surface Profile Run <br /> Cross section Water Surface Channel Distance <br /> (ft. MSL) (ft. ) <br /> Upper: <br /> 3.0 3897.6 <br />. 2.7 3900.7 354.0 <br />2.6 3901.1 320.0 <br /> 2.5 3900.7 14.0 <br /> 2.4 3901. 8 60.0 <br /> 2.3 3902.2 62.0 <br /> 2.2 3902.6 30.0 <br /> 2.1 3903.8 93.0 <br /> 2.0 3909.1 2500.0 <br /> 1.0 3910.7 200.0 <br /> North: <br /> 9.0 3877.0 <br /> 8.0 3877 .1 200.0 <br /> 7.0 3883.0 6202.0 <br /> 6.0 3893.9 2492.8 <br /> 5.1 3894.l 85.0 <br /> 5.2 3894.3 115.0 <br /> 5.3 3894.3 50.0 <br /> 4.0 3894.2 125.0 <br /> 3.2 3895.8 69.5 <br /> 3.1 3895.9 145.0 <br /> 3.0 3898.0 2385.8 <br /> <br />. <br /> <br />Paoli Flood Study <br />September 29, 1991 <br /> <br />Hydraulic Analysis Report <br /> <br />-9- <br />