Section 192.329 - Installation of plastic pipelines by trenchless excavationPlastic 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 installation.(b) For each pipeline section, plastic pipe and components that are pulled through the ground must use a weak link, as defined by § 192.3 , to ensure the pipeline will not be damaged by any excessive forces during the pulling process.