Potential Integrity Verification Process Requirements for Liquid Pipelines

By Frank Vlossak.

The Pipeline and Hazardous Materials Safety Administration (PHMSA) has begun an effort to develop requirements for hazardous liquid pipeline operators to verify the integrity and maximum operating pressure of their pipelines. The initiative is based on a parallel effort targeting natural gas pipelines. PHMSA has not yet developed the integrity verification process (IVP) proposal as a notice of proposed rulemaking (NPRM), however the details provided in a draft flow chart indicate the requirements of a rule could be significant. 


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