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High Consequence Areas & Pipeline Assessment Intervals Pipeline Safety Trust New Orleans, LA November 20, 2008 Elizabeth Komiskey, P.E. PHMSA/Office of.

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Presentation on theme: "High Consequence Areas & Pipeline Assessment Intervals Pipeline Safety Trust New Orleans, LA November 20, 2008 Elizabeth Komiskey, P.E. PHMSA/Office of."— Presentation transcript:

1 High Consequence Areas & Pipeline Assessment Intervals Pipeline Safety Trust New Orleans, LA November 20, 2008 Elizabeth Komiskey, P.E. PHMSA/Office of Pipeline Safety US Department of Transportation 202.288.1818 Elizabeth.Komiskey@dot.gov

2 …safe, reliable, and environmentally sound operation of the Nation's pipeline transportation system Overview History Gas IMP Inspection GAO Report to Congress Option 1 – Revise Regulations Option 2 – Special Permits

3 …safe, reliable, and environmentally sound operation of the Nation's pipeline transportation system Gas Integrity Management History Pipeline failures Prevention through assessment of pipeline integrity Draft Notice of Proposed Rulemaking (NPRM) PSIA of 2002 Pipeline assessment interval not to exceed 7 years NPRM included Congressional mandate

4 …safe, reliable, and environmentally sound operation of the Nation's pipeline transportation system Gas IMP Inspections Initiated inspections July 2005 54 operator inspections completed (9/2007) Represent 96% gas transmission mileage in HCA Over 148 immediate repair conditions remediated Almost 300 one year conditions remediated Over 115 monitored and 35,000 other conditions remediated.

5 …safe, reliable, and environmentally sound operation of the Nation's pipeline transportation system GAO Report The U.S. Government Accountability Office (GAO) has recommended that this statutory requirement be amended to permit operators to reassess at intervals based on risk factors, technical data, and engineering analyses.

6 …safe, reliable, and environmentally sound operation of the Nation's pipeline transportation system Basis for Considering Extended Reassessment Intervals Five years of IM assessments Over half US mileage assessed Repaired over 700 defects in HCAs IM inspection program PHMSA review required Continued oversight

7 …safe, reliable, and environmentally sound operation of the Nation's pipeline transportation system Option 1

8 …safe, reliable, and environmentally sound operation of the Nation's pipeline transportation system Option 2

9 …safe, reliable, and environmentally sound operation of the Nation's pipeline transportation system Summary GAO and PHMSA support extending the reassessment interval based on risk factors, technical data, and engineering analyses. Option for granting special permits is currently under PHMSA and Congressional legal review to determine if PHMSA has the authority.


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