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