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• 2.0 Sediment Fence Desien <br />2.1 HydroloeYInputs <br />The CN numbers used were obtained from Procedures for Determining Peak Flows in Colorado <br />and Technical Releax No. 55. $ased on soil type and vegetation cover, curve numbers were <br />determined for the following condition. <br />Disturbed <br />Soil Type: B <br />Ground Cover: Gravel <br />Cover Type: none <br />CN: 85 <br />All other hydrology inputs are shown on the attached SEDCAD+ computer printouts <br />2.2 HydroloeY Resul[s <br />Peak Discharge: 0.32 cfs <br />2.3 Sediment Fence Requirements <br />Sedimen[ Fence Permissivity: 15 gal/min/ft` or 0.033 cfs/h' <br />• Required Surface Area: 0.32 cfs / 0.033 cfs/ft' - 10 h' <br />~. <br />C:L V WTRIAAPP <br />,wn„P., Revised • November 1993 <br />