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United Precast
Section Task

United Precast, Inc.  

  Approved Headwall Designs

                                                         **Click on Desired Size
    

Use with Corrugated Metal Pipe (C.M.P.)

 Use with Plastic Pipe (N-12)
With  extension without extension With  extension without extension
12" 12" 12" 12"
15" 15" 15" 15"
18" 18" 18" 18"
24" 21" 24" 24"
33" 24" 30" 30"
36" 30" 36" 36"
39" 33" 42" 42"
42" 36" 48" 48"
48" 39" 60" 60"
54" 42"    
60" 48"    
66" 54"