It is an essential pre-requisite for any potential pipejack to complete a thorough study of the prevailing geology to be made available to all interested parties at an early stage. This is the only way of ensuring a cost-effective solution to any given problem.
The Pipe Jacking Technique
Drives of several hundred metres either in a straight line or to a radius are routine have been completed by Jacked pipelines. Construction tolerances are compatible with other tunneling methods and the pipe jacking method generally requires less over-break than segmental tunnels, providing better ground support.