General
Legacy ID
16
Show Effective Date
Off
Significant Regulatory Guidance
No
Alternative MAOP
PHMSA amended the pipeline safety regulations to prescribe safety requirements for the operation of certain gas transmission pipelines at pressures based on higher operating stress levels. The result is an increase of maximum allowable operating pressure (MAOP) over that currently allowed in the...
Low Strength in High Grade Pipe
PHMSA issued Advisory Bulletin ADB-10-03 to notify owners and operators of recently constructed large diameter natural gas pipeline and hazardous liquid pipeline systems of the potential for girth weld failures due to welding quality issues. Misalignment during welding of large diameter pipe may...PHMSA Issued Advisory Bulletin ADB 10-033
PHMSA issued advisory bulletin ADB-10-03 to notify owners and operators of recently constructed large diameter natural gas pipeline and hazardous liquid pipeline systems of the potential for girth weld failures due to welding quality issues. Misalignment during welding of large diameter line...
HL IM Meetings
You may register for upcoming meetings or view documentation from previous meetings. Please select from the following options.
Register for Upcoming Meetings 2005 Workshop - Houston, TexasBelow you will find a listing of presentation materials from the Liquid Integrity...
HL IM Key Documents
Guidance PHMSA Inspection Reassessment Intervals Guidance for Less than 7 years Progress Report Hazardous Liquid Integrity Management Progress Report, January 2011 Rule DocumentsPlease select the document below that suits your needs. The Final Rule (as amended) includes...
HL IM Performance Measures
Protecting America's High Consequence Areas (HCAs)
Beginning in 2004, hazardous liquid pipeline operators have been required to submit performance measure reports for pipeline infrastructure covered by Integrity Management (IM) programs. PHMSA uses data from these reports, which are...