Risk%20Assessment%20as%20Applied%20to%20Integrity%20Management%20Colonial%20Pipeline%20Company

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Risk Assessment as Applied to Integrity
ManagementColonial Pipeline Company

• John Godfrey
• System Integrity Leader
• August 8, 2001

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• Colonial System Map
• 5,500 miles of pipeline
• 12 origination points
• 267 terminals served
• 15 tank farms

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Program History

• 1997 - System Integrity Program
• 1998 - Risk Assessment Pilot Project
• 2000 - Risk-Based Integrity Management Program
• Adoption of Index-Based Assessment Model Based on
  the Work of W. K. Muhlbauer

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Risk Assessment Model Development

• Pilot Project Extended to Full System in 1998
• Risk Assessment Team Formed
• Algorithm Teams
• Initial Data Collection
• Focus on Mainlines and Stublines

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Index-Based Risk Assessment Model
Relative Risk Score
Leak Impact Factor
Third Party
Design
Incorrect Operations
Corrosion
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Risk Assessment Model
Segmentation and High Consequence Areas...

• Dynamic Segmentation Calculations
• Further Segmentation Around HCAs
• Weighting
• System Wide Application

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High Consequence Areas are Integrated into Program
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How the Model is Used

• Identify and Analyze Risk Drivers
• Select and Prioritize Mitigation Projects
• Establish a Common Performance Metric
• Integrity Management Plan Development

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Risk Assessment within Integrity Management

• Integrity Management Program
• Evaluate HCAs of Highest Risk
• Baseline Testing Schedule
• Assess Results of testing
• Re-inspection Plan Development
• Performance Reporting

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The Future of Risk Assessment