Ferndale to Renton 16” ILI Project: Data Integration and Repair Evaluation

1. In-line Inspection Results Evaluation and Data IntegrationOlympic Pipe Line CompanyFerndale to Renton 16” Project OPS IMP WorkshopHouston, TX August 2001

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

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

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. Excavation and Repair Criteria Ferndale to Renton 16”

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. 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. Summary of Repairs

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. 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