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SEDCAD 4 for Windows <br />r ..,.~,.nr wva-°nm vnmei~.i c~e~,~n <br />Z6 <br /> <br /> <br />Elevation <br />(R) <br />Broad- <br /> <br />cre (~; eir Combined <br />Total <br /> <br />Discharge <br />(ds) <br />8,020. 00 0.000 0.000 <br />8,020. 50 0.000 - 0.000 <br />8,021. 00 0.000 0.000 <br />8,021. 50 0.000 0.000 <br />8,022. 00 0.000 0.000 <br />8,022 .50 0.000 0.000 <br />8,023 .00 0.000 0.000 <br />8,023 .50 0.000 0.000 <br />8,024. 00 0.000 0.000 <br />8,024. 50 0.000 0.000 <br />8,024. 55 0.000 0.000 <br />8,024 .60 0.000 0.000 <br />8,024 .65 0.000 0.000 <br />8,024 .70 0.000 0.000 <br />8,024 .73 0.381 0.381 <br />8,024 .75 0.823 0.823 <br />8,024 .80 2.329 2.329 <br />8,024 .85 4.300 4.300 <br />8,025 .00 12.162 12.162 <br />8,025 .15 22.343 22.343 <br />Structure #IZ (R/prap Channel) <br />SEC. 28 DITCH 7 <br />Trapezoidal Riprap Channel Inputs: <br />Material: Rigrag <br />Left <br />Bottom Right Freeboard Freeboard Freeboard <br />Sideslope <br />Width (ft) Sideslope Slope (%) <br />Depth (R) % of Depth Mult. z <br />Ratio Ratio (VxD) <br />12.00 3.0:1 3.0:1 20.0 1.00 <br />Riprap Channel Results: <br />Simons/OSM Method -Steep Slope Design <br /> w/o Freeboard w/ Freeboard <br />Design Discharge: 20.33 cfs <br />Depth: 0.13 ft 1.13 ft <br />Top Width: 12.78 R 18.78 R <br />velocity': <br />Filename: STSec28Ten24.030807.sc4 Printed 03-09-2007 <br />M! <br /> <br /> <br />Exh. 7-20A-30 Revision Date: 3/12/07 <br />Revision No.: PR-02 <br />