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• s2r~ <br />Project Name: Seneca 11 <br />Project Number: 882-1000 <br />Prepared By: JPB (Update by KCK) <br />Date Prepared: OS Nov 1997 (Update 18 Jun 1998) <br />File: J:1882~DS1S2SUMM.XLS <br />Channel Deslgn Flow, Q Slope Bottom Width (8N~ Slde Slopes Depth of Flow (D) Ve/oclty Freeboard Total Depth Rlprap D50 <br />(cfs) ('~) (l/) f _H: f ~ (h) (fPs) (n) (n) Vin) <br />(1) (2) and (3) (4) (5J (B) <br />V <br />N <br />N <br />~O <br />x <br />m <br />r• <br />N <br />fD <br />a <br />0 <br />00 <br />0 <br />F <br />S2 PM-7 3 5-15 <br />1.1 2.56 0.3 1.4 N/A <br />Notes: <br />1) Channel designed for e>asting worst case, vegetated, V-shaped conditions. <br />2) Channel was designed to safely convey runoff resulting from the 10 year, 24 hour storm event. <br />3) Design flow rounded to nearest whole cfs from SEDCAD hydrologic analysis. <br />4) Depth of flow based on minimum grade. <br />5) Velocity based on mabmum grade. <br />Page 8 <br />