1. 1 In-line Inspection Results Evaluation and Data Integration Olympic Pipe Line Company Ferndale to Renton 16” Project OPS IMP Workshop Houston, TX August 2001

2. 2 Outline Background Project Overview  Data Analysis  Excavation and Repair Criteria  Repair Plan and Execution Summary of Repairs Testing of Cut Outs Project Issues

3. 3 Background Ferndale to Renton 16” ILI Project - a key element of Olympic’s Integrity Management Program Consistent with BP’s Business Values and HSE Goals of: No Accidents, No Harm to People, No Damage to the Environment Unique when compared with other ILI Projects because  Ferndale to Allen Segment Out-of-Service  Schedule Driven Project  High Staffing Levels  Heavy Public and Municipal Involvement  Three Types of ILI Tool Runs

4. 4 System Description Castle Rock Tacoma Renton Woodinville Allen Bayview Ferndale Cherry Point Anacortes Sea-Tac Washington Oregon System Data - Petroleum Products - 400 miles long - Four source refineries - Eight terminal points - 16” and 14” Main Line - 20” Loop Line

5. 5 Project Overview ILI Tool Runs Project Execution Repair Plan Data Analysis Repair Criteria Data Integration

6. 6 Data Analysis Used Deformation and High Resolution MFL tools from Ferndale to Renton Ran an Ultrasonic tool from Ferndale to Allen Data Logs: –Graded and Correlated by ILI Tool Vendors –Data Reviewed and Validated by: BP Consultants Office of Pipeline Safety Consultants of Various Municipalities –Applied Negotiated Evaluation Criteria –Repair Plan / Documentation Prepared by Consultants

7. 7 Excavation and Repair Criteria DentsB31.4OPL 16” Top Half of Pipe6%0.625% (0.100”) Bottom Half6%4% With Metal LossAny Locate at WeldsAny Ferndale to Renton 16”

8. 8 Repair Plan Scope Definition – BP / Consultants / OPS Engineering, Procurement & Construction – OPL / BP Dig Sheets – ILI Tool Vendor and Consultants Permitting – OPL / BP Dig Locates – Chain Crew Contractor Excavations – Mechanical Contractor Field Evaluation –Visual Inspection – BP / Consultants / ILI Tool Vendor –NDE – NDE Contractor Repair Decision – BP / Consultants / OPS Documentation – Consultants

9. 9 Execution Office Staff  Permitting Specialists  Engineering & Procurement – OPL / BP  Government & Public Affairs – BP Field Staff (full-time)  ROW Access –Right-of-Way Agents  Locates – Chain Crews by Consultant  Construction Management – Coordinators by BP / OPL  Digs – Mechanical Contractor crews  Feature Evaluation Tool Vendor Analysts NDE Crews Consultant Others  OPS and Consultants  Various Municipalities

10. 10 Summary of Repairs Repair TypeDeformationMFL / UltrasonicOther Comp. Sleeve2140 Cutout7373 Re-coat1460 Total108173

11. 11 Testing of Cutouts To establish future criteria a select number of deformation cutouts were cycle tested. –¼” or smaller Cyclic testing of 16” cut-outs –30 yrs of service simulated –No failures Hydrostatic testing of cutouts to be completed

12. 12 Project Issues Recognize project drivers early Allow adequate lead time to secure permits Appraise and evaluate each dig site for ROW access Identify and Prepare for External Influences – these will impact the: –Project Schedule –Staffing Levels –Cost