Rational StormTrooper Sizing

Rational StormTrooper Sizing

RATIONAL EQUATION -- STORM WATER INTERCEPTOR SIZING TOOL
Drainage Area × Runoff Coefficient × Rainfall Intensity = Flowrate (CFS) or Flowrate (GPM)
(Acres) (In/Hr)

RECTANGULAR SIZE:

CYLINDRICAL SIZE:

City of Houston/Harris County Commercial Property Runoff Coefficient C=0.8 and rainfall intensity =0.27

For other methodologies such as City of Austin and iSWM-NCTCOG contact us for assistance.

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