PHMSA Gas Integrity Management
Time: 11/23/2009 08:55 PM

Frequently-Asked Question FAQ #208

FAQ-208: C-FER basis

Go To FAQ#:

Question: Is the derivation of the PIR equation publicly available?

Answer: Information concerning the derivation of the C-FER equation can be found in Gas Research Institute report GRI-00/0189, A Model for Sizing High Consequence Areas Associated with Natural Gas Pipelines. That document is available in the rulemaking docket at http://dmses.dot.gov/docimages/p56/120467.pdf

These Frequently Asked Questions (FAQs) are intended to clarify, explain, and promote better understanding of the pipeline integrity management rules. These FAQs are not substantive rules and do not create rights, assign duties, or impose new obligations not outlined in the existing integrity management regulations and standards. Requests for informal interpretations regarding the applicability of one or more of the pipeline integrity management rules to a specific situation may be submitted to PHMSA in accordance with 49 C.F.R. § 190.11.
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