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Rational Storm Sewer Design Tabulation
CITY OF CHANHASSEN RECEIVED Project: The Preserve at Bluff Creek 3rd-6th Addition Proj #: 20101049 Plan Date: JUL 15 2011 Comp By: CWG Comp Date: 3/6/2007 CHANHASSEN PLX"NG DEPT Checked By: JAL Rev: 6/8/2010 Rational Storm Sewer Design Tabulation Frequency Storm (yrs) = 10 Manning Coefficient = 0.013 Minimum Pipe Size (in.) = 15 Rainfall Data for Twin Cities Metro Area Only Intensity-Duration-Frequency Data Obtained From MNDOT Westwood Professional Services, Inc. 1212 Red Fox Rd. 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