StormTrooper Sizing Tool
| RATIONAL EQUATION -- STORM WATER INTERCEPTOR SIZING TOOL | ||||||||
|---|---|---|---|---|---|---|---|---|
| Drainage Area | × | Runoff Coefficient | × | Rainfall Intensity | = | Flowrate (CFS) | or | Flowrate (GPM) |
| (Acres) | (In/Hr) | |||||||
RECTANGULAR SIZE: |
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CYLINDRICAL SIZE: |
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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.
