Maintenance Hole Adjustment Unit

Manufactured by DECAST Ltd.

Grade adjustment units for Maintenance Holes.

Drainage and Sewer Works | Maintenance Hole, Catch Basin, Ditch Inlet Units and Valve Chambers | Concrete, Precast

Certifications: PMC - Accepted for Use Region of Halton Prequalified Products List

Prequalification Lists: 
Regional Municipality of Halton - - Adjustment Units (PDF)
  • Ontario Provincial Standards
    • OPSD 2117.010 - Electrical Maintenance Holes General Installation Requirements
    • OPSD 701.010 - Precast Concrete Maintenance Hole, 1200 mm Diameter
    • OPSD 704.010 - Maintenance Holes, Catch Basins and Valve Chambers, Precast Concrete Adjustment Units
    • OPSD 705.010 - Precast Concrete Catch Basin, 600 mm x 600 mm
    • OPSS 1351 - Precast Reinforced Concrete Components for Maintenance Holes, Catch Basins, Ditch Inlets and Valve Chambers

Jim Tully, Executive VP
8807 County Road 56
Utopia ON L0M 1T0
Office: 705-734-2892 x222
Toll Free: 800-461-5632
Fax: 705-734-2920