Technical Information No. 6

Pipe casing and coating in HDD – 1st edition  – March 2023
Digital Version – You will receive a personalised PDF from us by email.

The present Technical Information No. 6 „Pipe casing and coating in HDD“ of the DCA gathers the working results of the task group and provides information on all parameters, processes, and interactions that have an influence on coating quality. In addition, the Technical Information helps in selecting the most suitable coating system for specific drilling and soil conditions.

All information and recommendations in this document apply to standard HDD drilling but can be similarly applied to related trenchless applications such as pipe jacking, direct pipe, installation of product pipes in micro-tunnels and conduits with HDD-Rigs, etc. as long as individual conditions are considered.