The Road Authority

Adjustment Units for Catchbasins and Maintenance Holes

Manufactured by Brooklin Concrete Products
Brand: Multi-Loc Adjustment Rings

MH Adjusters - Grade adjustment rings for catchbasins and maintenance holes.

Categories: 
Drainage and Sewer Works | Maintenance Hole, Catch Basin, Ditch Inlet Units and Valve Chambers | Accessories | Adjustment Units | Concrete
Electrical, Illumination, Communications and Traffic Related Works | Maintenance Holes, Handholes and Junction Boxes | Frames and Covers | Adjustment Units

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

Prequalification Lists: 
Regional Municipality of Durham - 4.70.48.16 - Concrete, Below Frame (PDF)
Regional Municipality of Durham - 4.72.48.16 - Concrete, Below Frame (PDF)
Regional Municipality of Halton - 4.70.53.10 - Adjustment Units (PDF)
Regional Municipality of Halton - 7.95.86.10 - 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
    • 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.MUNI 408 - Adjusting or Rebuilding Maintenance Holes, Catch Basins, Ditch Inlets, and Valve Chambers
    • OPSS.PROV 407 - Maintenance Hole, Catch Basin, Ditch Inlet and Valve Chamber Installation
    • OPSS.PROV 408 - Adjusting or Rebuilding Maintenance Holes, Catch Basins, Ditch Inlets, and Valve Chambers

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