ISO 21225-2:2018

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Plastics piping systems for the trenchless replacement of underground pipeline networks — Part 2: Replacement off the line by horizontal directional drilling and impact moling.

ISO 21225-2:2018 is a standard that specifies requirements and test methods for plastic piping systems used in the trenchless replacement of underground pipeline networks, focusing on replacement off-the-line methods like horizontal directional drilling and impact moling.