Storm and Sanitary

Concrete maintenance holes are used to provide access to pipelines, valve chambers and other structures or when a change in direction of pipeline is required. Wilson Concrete manufactures maintenance holes with internal diameters of 1050mm, 1200mm, 1500mm, 1800mm, 2100mm and 2400mm. Custom square structures available and manufactured upon request. 

Features and Benefits: 

• Installed with pre lubricated gaskets to provide a watertight product and reduce infiltration into the storm or sanitary system 

• Pre-benched bases available to funnel flows when a change in direction is required in the pipeline 

• Provided with cast in lift inserts for safe, easy installation 

• Shop drawings available for all units