Corrugated Steel Pipe and Couplings

7.2.6.8. Corrugated Steel Pipe and Couplings

  1. Corrugated steel pipe and couplings shall be certified to CAN3-G401...
  2. Corrugated Steel Pipe and shall only be used underground outside a building in a storm drainage system.


  1. Couplings for corrugated steel pipe shall be constructed so that when installed they shall
  1. maintain the pipe alignment,
  2. resist the separation of adjoining lengths of pipe,
  3. prevent root penetration
  4. prevent the infiltration of surrounding material.