Manholes & Access Points
The access structures that make inspection and maintenance possible, and their most common failure points.
Manhole Frame & Cover Inspection
A loose, cracked, or improperly seated cover is both a safety hazard and an infiltration source.
Manhole Structural Condition Grading
A standardized 1-5 defect scale used to prioritize manhole rehabilitation across the system.
Manhole Rehabilitation Methods
Cementitious lining, epoxy coating, and full replacement, chosen based on the specific defect found.
Confined Space Considerations for Manhole Entry
Every manhole entry is a permit-required confined space entry, not a quick look-and-go task.
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