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Calculate Tailwater Depth, ho, Below Top of Culvert Outlet Barrel:
 
Calculation:
Designer/Checker:
 
Input:
 

 
Depth of culvert, or vertical diameter or height (D - ft or m)
Critical depth of culvert at design discharge (dc - ft or m)
   
     
   
   
Output:  
 
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Tailwater Depth (ho) =
 
 
 
 




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