Published: June 30, 2018 | Last updated: July 5, 2023

What Does Man-Accessible Mean?

Man-accessible is a term used to describe a pipe, excavation or trench that is wide enough to accommodate entry of site personnel safely.

Man-accessibility is especially necessary for the manual internal inspections of pipelines. Pipe diameters are required to be a minimum of 1.0m to 1.2m to be deemed man-accessible. A structure that is not classified man-accessible can pose a safety risk to personnel attempting entry.


Trenchlesspedia Explains Man-Accessible

Manual inspections using man-accessible entries are considered to be more accurate mechanical inspections. Blockages, internal cracks, internal rusting, and tree root infiltration can all be accurately located and assessed in man-accessible pipelines.

Structures that are not man-accessible (i.e., not large enough for site personnel to enter) can still be manually inspected using remotely controlled equipment such as CCTV cameras and sonar equipment.

Structures classified as man-accessible should conform to local safety regulations to avoid potential hazards on the job site.


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