About The PHMSA Gas Mega Rule

The Gas Mega Rule stated purpose is “To increase the level of safety associated with the transportation of gas”.

PHMSA’s Gas Mega Rule officially came into effect on July 1st, 2020, in which gas transmission operators should assess final rule readiness and begin preparing for the potential impact on in-place integrity management programs and operating practices. This required operators to address the following key activities:

  1. Expand Integrity Management requirements beyond High Consequence Areas (HCAs) to Moderate Consequence Areas (MCAs)
  2. Require pipeline operators to verify records to establish Maximum Allowable Operating Pressure (MAOP)
  3. Require testing of untested pipe to confirm MAOP

Effective and efficient application of resources via optimal business decision-making and process management will be critical to ensuring compliance and achieving desired increases in safety and reliability performance within the limited cost structure of the pipeline industry.

Dynamic Risk has put together an assortment of resources for pipeline operators to better understand the PHMSA Gas Mega Rule and its impacts on the pipeline industry.


Operationalization of PHMSA’s Gas Mega Rule

Part 1 Primary Requirements: Maximum Allowable Operating Pressure (MAOP) Reconfirmation and Material Verification, and Assessments Outside High Consequence Areas (HCAs):

• Complete MAOP Reconfirmation of 50% of affected pipeline mileage by July 2028
• Complete MAOP Reconfirmation of 100% of affected pipeline mileage by July 2035
• Complete integrity assessment of non-HCA Class 3 and 4 Locations, and Piggable Moderate Consequence Areas (MCAs) by July 2034
• Material verification as required to support all activities

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Webinars, Presentations & Whitepapers:

Webinar & Whitepaper: About The PHMSA Gas Mega Rule

The Pipeline and Hazardous Materials Safety Administration (PHMSA) finalized a rule for gas transmission pipelines which has been in development for over eight years. This highly anticipated rule, referred to by many as the “Gas Mega Rule,” is considered to be the most significant change to the existing gas pipeline regulations since 1970.

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Are you Ready? Key Insights of PHMSA’s Gas Mega Rule for Transmission Pipelines
and the impacts on Operations and Maintenance

The Pipeline and Hazardous Materials Safety Administration (PHMSA) released the first of three phases of the “Gas Mega Rule” in October of 2019. The impacts of this ruling will significantly affect certain pipeline operation and maintenance activities that operators use to ensure the safety and reliability of their pipeline assets. Transmission pipeline operators have been working diligently towards additional or modified procedures.

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Partner’s Conference 2021 Presentation

Ben Mittelstadt – Director, Technical Services
PHMSA’s Gas Mega Rule outlines new regulatory changes in the US that have added requirements for pipeline operators to complete and document activities such as MAOP reconfirmation, Material Testing and Verification and integrity assessments in locations where they have not previously been required. In this presentation, Ben explores how efficient and effective processes are necessary to implement and address these requirements, how access to data underpins them all, and how novel approaches through data sharing and data science support the development of industry leading solutions.

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PHMSA Gas Mega Rule Industry Blogs

Pipeline industry subject matter experts at Dynamic Risk have curated a list of important blog topics on the PHMSA Gas Mega Rule to help operators better understand the impacts to the industry and how to best manage their pipeline assets moving forward.


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