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Calculate Stormwater Time of Concentration for Overland Flow:
*Shallow concentrated flow
 
Calculation:
Designer/Checker:
   
Input:  
   
 
Intercept coefficient (k)
Length of overland flow (Lo - ft or m)
Average slope of drainage area (S - %)

 
   
 
Output:
 
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Time of Concentration (Tc) =
Metric: Tc =
 
 
 




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