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Type I: Risers: Type C: Knockouts

Precast concrete curb inlets and catch basins can be manufactured in a variety of sizes to meet state & local standards and customized for outdoor projects

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  6. Type I: Risers: Type C
  7. Type I: Risers: Type C: Knockouts

Type I: Risers: Type C: Knockouts Products

Type I: Risers: 24" "C" K.O. Riser

24" High Riser to fit up to a 12" Pipe. Knock outs to suit. Available in latest D.O.T compliant specifications.  

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Type I: Risers: 30" "C" K.O. Riser

30" High Riser to fit up to a 15" Pipe. Knock outs to suit. Available in latest D.O.T. compliant specifications.

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Type I: Risers: 36" C" K.O. Riser

36" High Riser to fit up to an 18" Pipe. Knock outs to suit. Available in latest D.O.T. compliant specifications.

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Type I: Risers: 42" "C" K.O. Riser

 42" High Riser 

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