The Road Authority

Maintenance Hole 1200mm Diameter, Precast Concrete

Manufactured by Coldstream Concrete Ltd.

Precast concrete maintenance holes, 1200 mm dia. with single offset self lubricating gasket, drop connections, base slabs, flat caps, transitions, risers, monolithic bases, tapered tops.

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

Certifications: PMC - Accepted for Use City of Hamilton Approved Products List

Prequalification Lists: 
City of Hamilton - 2.07.01 - CSA A257.4-M92 Form 700 OPSS 1351 1200mm to 3000mm (PDF)
  • Ontario Provincial Standards
    • OPSD 701.010 - Precast Concrete Maintenance Hole, 1200 mm Diameter
    • OPSD 701.030 - Precast Concrete Maintenance Hole Components, 1200 mm Diameter, Tapered Top and Flat Cap
    • 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
  • Canadian Standards Association
    • CAN/CSA-A257 SERIES-14 - Concrete Pipe and Manhole Sections (Consists of A257.0, A257.1, A257.2, A257.3 and A257.4)

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