Prebenching for 1200 mm Dia Maintenance Holes


Manufactured by Con Cast Pipe Inc.

Pre-benched, precast concrete maintenance hole base component

Categories: 
Drainage and Sewer Works | Maintenance Hole, Catch Basin, Ditch Inlet Units and Valve Chambers | Concrete, Precast
  • Ontario Provincial Standards
    • OPSS 1351 - Precast Reinforced Concrete Components for Maintenance Holes, Catch Basins, Ditch Inlets and Valve Chambers
    • OPSS 407 - Maintenance Hole, Catch Basin, Ditch Inlet and Valve Chamber Installation