Plastics piping systems for renovation of underground gas supply networks - General Ingestion-build-63114 In this case

In this case

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Persons responsible for the refurbishment and modification of machinery

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Plastics piping systems for renovation of underground gas supply networks - General Ingestion-build-63114 In this caseWhat is this standard about? This document specifies the requirements and test methods for plastics piping systems intended to be used for the renovation of underground gas supply networks. It is applicable to pipes and fittings, as manufactured, as well as to the installed lining system. It is not applicable to the existing pipeline or any sprayed coatings or annular filler. This document gives the general requirements common to all relevant