Operation & Maintenance

A recent PHMSA Advisory Bulletin warns the pipeline industry about Corrosion Under Insulation (CUI), which is frequently used on pipe transporting heavy crude oil.  Such products are often heated for more efficient transport, thus the pipe is wrapped with foam insulation over the coating, and then further covered with a tape wrap over the insulation.  The crude oil release from a Plains All American pipeline near Santa Barbara in May of 2015 used such thermal insulation, and the government’s investigation following that release prompted this Advisory from PHMSA.

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PHMSA has released a Notice of Proposed Rulemaking (NPRM or Notice) to substantially revise that Agency’s rules (at 49 CFR Part 192) for construction, operation and maintenance of natural gas pipeline systems.
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PHMSA has published a Notice of Proposed Rulemaking (NPRM), proposing various changes to the natural gas pipeline safety regulations (49 C.F.R. Part 192) to address regulatory requirements involving plastic piping systems used in gas services.
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The Agency announced a public workshop to discuss the voluntary Pipeline Safety Management Systems (SMS) national consensus standard on April 22, 2015 in Houston, Texas. This standard, Recommended Practice (RP) 1173, has been in development by the American Petroleum Institute (API) for some time now as a result of the NTSB’s Investigation of the Marshall, Michigan incident.
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PHMSA issued an updated advisory regarding the potential for damage to pipeline facilities caused by severe flooding. Presumably prompted by the January 2015 release to the Yellowstone river in Glendive, Montana, associated with an area of exposed pipeline on the river bottom, the Agency reiterated the nine (9) actions it has set forth in prior advisories to prevent and mitigate damage to pipelines impacted by flooding.
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