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General

Legacy ID
16
Show Effective Date
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Significant Regulatory Guidance
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High Volume Excess Flow Valves: Meetings

 

Large Excess Flow Valve Team MeetingJune 23, 2009

The Large Excess Flow Valve Team Meeting was held in Crystal City, Virginia on June 23, 2009 to address the expansion of EFV utilization as recommended by NTSB in P-01-2. The event included representatives from pipeline regulatory...

Class Location Special Permits Documents

These documents outline the submittal guidelines and documents for PHMSA to consider operator special permit requests for class location changes in accordance with 49 CFR § 192.611 to confirm or revise the maximum allowable operating pressure (MAOP) of a natural gas pipeline after a change in...

Other Technology Notifications to PHMSA

Gas Transmission IM Notification Submittal InstructionsGuidance for Submission of "Other Technology"November 1, 2007: Guided Wave UT ChecklistGuided Wave Ultrasonics Background DiscussionGuided Wave Demonstration Report, July 2006