Maintenance Holes
Frames, Grates & Covers
Engineered to meet OPS Standards
Maintenance holes are vital components of urban infrastructure, providing access points to underground utility networks such as sewage, water, and telecommunication systems. Made of robust cast iron castings, these structures offer durability and longevity, ensuring reliable performance even in harsh environmental conditions. Their primary benefit lies in facilitating routine maintenance and inspection tasks, allowing municipal authorities to efficiently manage and address issues within the utility network.
Maintenance Hole, Circular Frame with Circular Cover
OPSD 401.020
Specifications
Description: Maintenance hole with circular frame and circular cover
Material: Grey iron
Base: Round, 950 mm
Opening: Round, 685 mm, accessible
Cover: Circular, 745 mm, removable
Usage: Sanitary, Storm, Watermain
Model S-117
Specifications
Description: Maintenance hole round frame with circular cover
Material: Grey iron
Frame: Round, 845 mm
Opening: Round, 575 mm, accessible
Cover: Circular, 624 mm, removable
Usage: Sanitary, Storm, Watermain
Maintenance Hole, Square Frame with Circular Cover
OPSD 401.010A
Specifications
Description: Maintenance hole square frame base with circular cover
Material: Grey iron
Base: Square, 800 mm
Opening: Round frame, 575 mm, accessible
Cover: Circular, 624 mm, removable, closed
Usage: Sanitary, Sewer
OPSD 401.010B
Specifications
Description: Maintenance hole square frame base with circular cover
Material: Grey iron
Base: Square, 800 mm
Opening: Round frame, 575 mm, accessible
Cover: Circular, 624 mm, removable, open
Usage: Storm drainage, Sewer
OPSD 401.040A
Specifications
Description: Maintenance hole square frame with circular cover
Material: Grey iron
Frame: Square, 837 mm
Opening: Round, 565 mm, accessible
Cover: Circular, 624 mm, removable
Usage: Sanitary, Sewer
OPSD 401.040B
Specifications
Description: Maintenance hole square frame with circular cover
Material: Grey iron
Frame: Square, 837 mm
Opening: Round, 565 mm, accessible
Cover: Circular, 624 mm, removable
Usage: Storm drainage, Sewer
OPSD 401.030
Specifications
Description: Maintenance hole square frame with circular cover
Material: Grey iron
Frame: Square, 800 mm
Opening: Round, 575 mm, accessible
Cover: Round, 624 mm, watertight and removable
Gasket: Resting on 2 mm rubber gasket, keyways optional
Info: Bar handles cast in, 4 bolt down cap screws
Usage: Watertight, Electrical
OPSD 401.050
Specifications
Description: Maintenance hole square frame with circular cover
Material: Grey iron
Frame: Square, 837 mm
Opening: Round, 565 mm, accessible
Cover: Circular, 624 mm, removable, bolt down, 4 cap screws
Usage: Watertight, Electrical