Circular Maintenance Holes

Uses
Precast Circular Maintenance Holes are used in:
Precast Circular Vertical Structures are used for pump stations, wet wells, stormwater management structures and impoundment overflow structures.
SIZES
Precast Circular Maintenance Holes are normally available in diameters of 1200mm through 3600mm.
Application
Precast Circular Maintenance Holes can be used for the following:
Precast Circular Maintenance Holes can be provided with the following features:
JOINTS
The following joints are normally available for Circular Manholes and Vertical Structures:
Applicable Specifications
The following specifications apply to precast circular manholes:
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