Following a 2010 natural gas pipeline rupture in California, investigative work revealed discrepancies between the pipeline’s as-built drawings and its construction — including material differences that suggested the sections were not equally strong. In response, material properties assurance became the focus of industry regulators.
Since the incident, the United States has instituted new rules and guidance to improve pipeline integrity and operators’ records management. Codes regarding material documentation for gas transmission lines are expected in 2019.
In Europe, the industry is also acting to improve condition assessment, particularly in ageing pipelines. For example, one Dutch natural gas operator has created new standards for equipment that will be permanently installed on its `lines, such as hot tap fittings.
Specifically, he will discuss:
Why all equipment installed on a line must maintain pipeline material property assurance.
The anatomy and function of the hot tap fitting.
The critical importance of material properties and compatibility when choosing a hot tap fitting.
Why the manufacturing method matters when choosing a hot tap fitting.
The benefits and challenges of fabricating and extruding hot tap fittings.
How to ensure weld quality during fitting manufacture.
How to limit the number of welds on the pipeline.
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Friday, October 19th 2018 - 8:30 AM (CENTRAL)
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