Excavation Method - an overview | ScienceDirect Topics
32.25 Installation Using Thermoplastic Pipe for Pipeline Replacement32.25.1 Open-Cut Installation. The most common pipeline replacement method is the conventional open-cut excavation method for construction of a new main in a new trench, usually parallel to the old main. Less frequently, the old main can be dug up and removed and a new pipe installed in the same trench.
Get Price