255.329 Installation of plastic pipelines by trenchless excavation

 

Plastic pipelines installed by trenchless excavation must comply with the following:

(a)  Each operator must take practicable steps to provide sufficient clearance for installation and maintenance activities from other underground utilities and/or structures at the time  of installations.

(b)  For each pipeline section, plastic pipe and components that are pulled through the ground must use a weak link, as defined by ยง255.3, to ensure the pipeline will not be damaged by any excessive forces during the pulling process.