1. MICHAEL BAKER Jr., Inc. Stress Corrosion Cracking SCC Workshop December 2, 2003 Engineering & Energy

2. SCC Study Study Scope “Conduct a comprehensive study of Stress Corrosion Cracking (SCC) issues relating to pipeline integrity for both gas and liquid lines, including history of SCC, level of risk, indicators of potential for SCC, detection methods, mitigation measures, assessment procedure, and regulatory procedures for evaluation of industry assessments.”

3. Engineering & Energy Introductions Baker’s Project Management Team: Chris Mayernik, P.E. - Project Manager (Pittsburgh) Anchorage Keith Meyer, Ph. D., P.E. Paul Carson, P.E. Houston Will Burks James Towers Baker’s Project Management Team: Chris Mayernik, P.E. - Project Manager (Pittsburgh) Anchorage Keith Meyer, Ph. D., P.E. Paul Carson, P.E. Houston Will Burks James Towers

4. Engineering & Energy Organized into Two Primary Operations: Who is Baker? EngineeringEnergy Transportation Civil Environmental Buildings Transportation Civil Environmental Buildings Oil & Gas Power Generation Oil & Gas Power Generation Supported by Critical Functional Units and Technology Infrastructure

5. Engineering & Energy Oil & Gas Operations & Maintenance Competency-Based Training Operations Engineering Supply Chain Management Power Operations & Maintenance New Equipment Installation Outage Planning/Overhauls Engineering / Start-up Assistance Who is Baker?

6. Engineering & Energy Other Tasks Provide Expert Engineering Services to OPS in support of its pipeline integrity management initiative for:  Metallurgical Evaluations (SCC, Dents, ERW long seam, wrinkles)  Pipeline Detection/Repair Methods (ILI accuracy, spike hydrotest)  Evaluation of Ecological Consequences

7. Engineering & Energy SCC Study Focus Issues v Document current knowledge of SCC v Preventive/Detection Procedure(s) currently utilized/ currently feasible v Post-Incident Procedure(s) currently utilized/ currently feasible

8. Engineering & Energy SCC Detection, Science and History Overview What is SCC? Causes and factors contributing to SCC initiation and growth Methods for prevention, detection and mitigation of SCC on pipelines, including Coatings ILI tools Direct assessment methods Remediation

9. Engineering & Energy Gap Analysis Overview Determine issues that warrant further research. May include: Predictive models SCC susceptibility parameters Detection tools/procedures effectiveness

10. Engineering & Energy SCC Assessment Overview Assessment procedures currently being utilized within the oil and gas industry Best practice procedure(s) of pipeline SCC assessment

11. Engineering & Energy Regulatory Practices in Foreign Countries Overview Regulatory practices outside the US

12. Engineering & Energy Operator Post-Incident Response and Remediation Overview Actions taken by pipeline operators to: Facilitate response Assure appropriate remedial measures Best practice(s)

13. Engineering & Energy Contact Information v Chris Mayernik – cmayernik@mbakercorp.comcmayernik@mbakercorp.com l (412) 269-6023 v Paul Carson – pcarson@mbakercorp.compcarson@mbakercorp.com l (907) 273-1616

14. Engineering & Energy