Citing concerns that intrastate and small gas transmission pipeline operators may not be accurately identifying high consequence areas (HCAs) as part of their integrity management programs (IMP), PHMSA issued yet another advisory to the industry on December 12, 2016.  In its seventh advisory issued this year, PHMSA explains the need for further guidance on the methodology based on recent inspections as well as a Safety Recommendation issued by the National Transportation Safety Board (NTSB) in 2015 (NTSB Recommendation P-15-06, issued in conjunction with the Board’s Safety Study of implementation of gas transmission integrity management rules).
Continue Reading Concerns about HCA Identification Methods Prompts Advisory