Prebenching for 1200 mm Dia Maintenance Holes

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.MUNI 1351 - Precast Reinforced Concrete Components for Maintenance Holes, Catch Basins, Ditch Inlets and Valve Chambers
- OPSS.MUNI 407 - Maintenance Hole, Catch Basin, Ditch Inlet and Valve Chamber Installation
- OPSS.PROV 407 - Maintenance Hole, Catch Basin, Ditch Inlet and Valve Chamber Installation