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Utility companies are increasingly turning to No-Dig pipe laying technology to renovate and install pipelines because of the economic and social savings. However using techniques such as ‘close fit’ relining or horizontal directional drilling can introduce damage or scores into the surface of the PE pipe that, over time, can develop into cracks and cause the premature failure of the pipeline.
Wed, 4 August 2010
Current generation materials for polyethylene potable water supply pipes are expected to have “excellent” longevity and performance, according a new report from Jana Laboratories commissioned by the Plastics Pipe Institute.
Introducing a new pipeline rehabilitation system into a mature market is not easy. Even after extensive product development and testing to prove that the selected polymers, pipe processor and fittings being used meet project requirements, it is necessary to prove to potential clients that the system can withstand the rigours of rehabilitation in the field.