The Road Authority

Maintenance Hole Unit - 1200 mm Diameter

Manufactured by Underground Specialties Inc.

Storm sewer precast concrete maintenance hole components, depth - 10 m maximum

Categories: 
Drainage and Sewer Works | Maintenance Hole, Catch Basin, Ditch Inlet Units and Valve Chambers | Concrete, Precast
  • Ontario Provincial Standards
    • OPSD 701.030 - Precast Concrete Maintenance Hole Components, 1200 mm Diameter, Tapered Top and Flat Cap
    • OPSS.MUNI 407 - Maintenance Hole, Catch Basin, Ditch Inlet and Valve Chamber Installation
    • OPSS.PROV 1350 - Concrete - Materials and Production
    • OPSS.PROV 407 - Maintenance Hole, Catch Basin, Ditch Inlet and Valve Chamber Installation
  • Manufacturer
    • Underground Specialties Inc.

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