IS 15663 : Part 1 : 2006 Design and Installation of Natural Gas Pipelines - Code of Practice - Part 1 : Laying of Pipelines

1 Scope

The standard ( Part 1) specifies the requirements andgives recommendations for the design, materials,construction and testing of pipelines made of steel andused in the transportation of natural gas and re-gasifiedliquid natural gas (RLNG). Specific requirements forlaying of pipelines in crossings (road, railway,watercourses, other pipelines, etc) are covered inIS 15663 (Part 2). The requirements for pre-commissioningand commissioning of pipelines are covered in IS 15663 (Part 3).

The provisions of the standard apply to pipelines onland including pipelines up to and including isolationvalves of compressor station, prcrcess plant, liquidnatural gas terminals, etc and within the boundaries ofsuch facilities like sectionalizing valve stations,intermediate pigging stations, etc; that form part of thepipeline system connecting gathering stations or processplants to dispatch stations. The provisions in thestandard do not include the requirements of operationand maintenance of such pipelines. The scope of thestandard is also illustrated in Fig. 1 in Annex A.

The standard is not applicable for pipelines constructedfrom materials other than steel and for pipelines thatform part of distribution systems.

2 References

The standards given below contain provisions whichthrough reference in this text, constitute provisions ofthis standard. At the time of publications, the editionsindicated were valid. All standards are subject torevision and parties to agreements based on thisstandard are encouraged to investigate the possibilityof applying the most recent editions of the standardsindicated below: