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Inputs
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Drainage Area, A =
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acres
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Runoff Coefficient, C =
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Design
Return Period =
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25
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years
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Design Storm Duration, d =
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min
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( = time of concentration )
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Steel constant, a =
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Steel constant, b =
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Results
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Design Intensity, i =
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in/hr
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[ i = a/(d + b) ]
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Calculation of Design Peak Storm Water Runoff Rate,
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Q, using the equation:
Q = CiA
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Design Peak Storm Water Runoff Rate, Q =
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cfs
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