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Can I use the Modified Rational method with HydroCAD?

April 26, 2017hydrocad method modified

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Can I use the Modified Rational method with HydroCAD?

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Yes. Just select the “Rational” runoff method and set the desired rise and fall rates on the “Rainfall” tab. Modified Rational method often uses a fall rate that is twice the Tc, although other rise/fall rates are also used. Details here.