DIMP - Pipeline Corrosion Poster

Informational text-heavy poster on pipeline corrosion.

DIMP - Pipeline Corrosion Final Report Michael Baker Jr. November 2008

This study presents an overview of the corrosion threat to gas and liquid pipelines, focusing on the prevention, detection, characterization, and management of internal and external corrosion, primarily on onshore pipelines. The report provides concise information on the state of pipeline...

DIMP - Mechanical Damage in Pipelines Final Report Michael Baker Jr. April 2009

This report reviews and summarizes the current state of knowledge and practice related to mechanical damage in natural gas and hazardous liquid steel pipelines, with particular focus on transmission pipelines. Comprehensive voluntary interviews were conducted with 10 pipeline operators who...

Guidance for Submission of "Other Technology"

Notifications Concerning Use of ‘‘Other Technology’’: In order to expedite any potential review, notifications concerning use of ‘‘other technology’’ should include the following information:

1. The operator’s demonstration that the ‘‘other technology’’ can provide an...

ASMEB31 8S Risk Modeling Summary

The ASME B31.8 Committee is open to improvements and new suggestions. We anticipate that the work of this PHMSA group can be incorporated as new code language and/or referenced as helpful guidance.

FAQs: Class Location Special Permits

These Frequently Asked Questions (FAQs) are intended to clarify, explain, and promote better understanding of issues concerning special permits for waivers to class location regulations. These FAQs are not substantive rules and do not create rights, assign duties, or impose new obligations not...

Underground Natural Gas Storage Facility (UNGSF): FAQs

Frequently asked questions clarifying, explaining, and promoting better understanding of issues concerning integrity assessment of Underground Natural Gas Storage Facility (UNGSF).

FAQs: ECDA for Cased Pipes

These Frequently Asked Questions (FAQs) are intended to clarify, explain, and promote better understanding of issues concerning integrity assessment of cased pipe using ECDA. These FAQs are not substantive rules and do not create rights, assign duties, or impose new obligations not outlined in...

Covered Task List: MAOP

This list applies to the construction of gas pipelines that will operate pursuant to the Alternative Maximum Allowable Operating Pressure (Alt MAOP) regulations in § 192.620. If a construction task on this list is performed after December 22, 2008, the task must be treated as a "covered task",...

FAQs: Alternative MAOP

Alternative MAOP FAQs

These Frequently Asked Questions (FAQs) are intended to clarify, explain, and promote better understanding of issues concerning implementation of the Alternative MAOP Rule. These FAQs are not substantive rules and do not create rights, assign duties, or impose new...