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Calculate Flow (Q) For Curb Inlet (Sump) For Flow Depth < Opening Height:
 
Calculation:
Designer/Checker:
 
Input:
 

 
Head on the inlet, equal to depth of flow (H - ft or m)
Length of curb opening (L - ft or m)
   
   

     
   
   
Output:  
 
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Flow, Q =
   
 
 
 



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