December 2019, Vol. 246, No. 12

LDC Report

A Decade into DIMP, Pipe Replacement Still Keeps Workforce Busy

By Michael Reed, Editor While systematic evaluation of natural gas pipelines has been going on for decades, the impetus for much of the work that is currently underway comes from the Distribution Integrity Management Program (DIMP), a federal regulation that went into effect in December 2009.    Much of Integrys’ replacement work has taken place on the crowded streets of Chicago. (photo: Integrys) Under the Pipeline and Hazardous Materials Safety Administration (PHMSA) guideline, identification of threats, along with prioritization and mitigation of risks, must be reported by companies.    Chief among the concerns that ushered in th

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