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Trial Design Culvert Selection - Other Culvert Shapes:
 
Calculation:
Designer/Checker:
 
Input:
 

 
Maximum Allowable Headwater Depth (HWmax - ft or m)
Design flow/discharge per culvert barrel (Q - cfs or cms)
Maximum Allowable Culvert Rise/Height (Dmax - ft or m)
Area of Shape with Height <= Dmax (A - sf or sm)
   
   
Output:  
 
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Allowable Head (Hal) =
Required Cross Section Area (AR) =
Number of Barrels (N) = AR/A =
Design Discharge per Barrel (QN) = Q/N =
 
 
 



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