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Type.... Tc Calcs Page 1.01 <br />Name.... SUBAREA ON 40 P"Evisr-D <br />File.... \\VBOXSVR\Documents\Cotter Corp\LP-21\LP-21 REV 5 25 13.PPW <br />TIME OF CONCENTRATION CALCULATOR <br />Segment #1: Tc: TR-55 Sheet <br />Mannings n .0400 <br />Hydraulic Length 300.00 ft <br />2yr, 24hr P 1.9000 in <br />Slope .090000 ft/ft <br />Avg.Velocity .86 ft/sec <br />Segment Al Time: .0971 hrs <br />----------------------------------------------------------------------- <br />Segment #2: Tc: TR-55 Channel <br />Flow Area 1-0000 sq.ft <br />Wetted Perimeter 6.00 ft <br />Hydraulic Radius .17 ft <br />Slope .037400 ft/ft <br />Mannings n .0400 <br />Hydraulic Length 615.00 ft <br />AVg.Velocity 2.18 ft/sec <br />Segment #2 Time: .0783 hrs <br />------------------------------------------------------------------------ <br />Total Tc: .1754 hrs f4j-� <br />S/N: 721001007097 O'Connor Design Group <br />PondPack Ver. 9.0046 Time: 3:20 PM Date: 5/25/2013 <br />