2003 ANNUAL REPORT On Pipeline Licence 1 MOOMBA TO ADELAIDE PIPELINE Document Number S-1-101-AR-G-101 February 2004 2003 PL1 ANNUAL REPORT – MOOMBA TO ADELAIDE PIPELINE TABLE OF CONTENTS 1.0 PURPOSE.........................................................................................................5 2.0 SCOPE..............................................................................................................5 3.0 PIPELINE INTEGRITY MANAGEMENT...........................................................6 3.1 Pipeline Inspections and Assessment.....................................................................................................6 3.1.1 Leakage Surveys & Detection ...........................................................................................................7 3.1.2 Pipe Wall Defect Assessment ............................................................................................................8 3.2 Stress Corrosion Cracking Investigations ..............................................................................................8 3.2.1 External Surfaces ...............................................................................................................................8 3.3 Verification of Intelligent Pig Features..................................................................................................9 3.4 Coatings..................................................................................................................................................9 3.5 Pipeline Cathodic Protection................................................................................................................10 3.5.1 Pipeline Potential Profiles................................................................................................................10 3.5.2 CP Repair Work...............................................................................................................................11 3.6 Electrical and Instrumentation..............................................................................................................11 3.6.1 Signage ............................................................................................................................................13 3.6.2 Pressure Control and Protective Equipment ....................................................................................13 3.6.3 Site Security.....................................................................................................................................13 3.6.4 Structures .........................................................................................................................................13 3.7 Communications...................................................................................................................................14 3.8 Mechanical ...........................................................................................................................................15 3.9 Ancillary Equipment ............................................................................................................................16 3.10 Results, Analysis and Remedial Action Taken ....................................................................................17 4 THREAT MITIGATION.......................................................................................17 4.1 Surveillance..........................................................................................................................................17 4.2 Maintenance Programs.........................................................................................................................18 4.3 Marking................................................................................................................................................19 4.4 External Interference Prevention..........................................................................................................19 4.4.1 Pipeline Location Service ................................................................................................................19 4.4 Landholder Contacts. ...........................................................................................................................20 4.6 Community Awareness ........................................................................................................................21 5.0 MANAGEMENT ..............................................................................................22 5.1 Risk Assessments .................................................................................................................................22 5.1.2 AS2885 Risk Assessment ................................................................................................................23 5.1.3 Other ................................................................................................................................................24 5.2 Management Systems...........................................................................................................................25 5.2.1 Reports Generated in 2003 ..............................................................................................................25 5.2.2 2003 One-off Activities ...................................................................................................................26 5.2.3 2004 One-off Activities ...................................................................................................................27 5.2.4 Volume of Product Transported.......................................................................................................28 5.2.5 Statement of Expenditure.................................................................................................................28 5.3 Emergency Response ...........................................................................................................................28 5.3.1 Emergency Response Incidents. ......................................................................................................28 5.3.2 Emergency Response Exercises.......................................................................................................28 5.4 Incidents and Corrective/Preventative Action......................................................................................29 5.4.1 Incidents...........................................................................................................................................29 5.5 Reported Incidents ...............................................................................................................................30 5.5.1 Unauthorized Activity in the Easement ...........................................................................................30 5.5.2 Gas Releases ....................................................................................................................................30 S-1-101-AR-G-101 2 2003 PL1 ANNUAL REPORT – MOOMBA TO ADELAIDE PIPELINE 5.5.3 Oil Spills ..........................................................................................................................................30 5.5.4 Reportable Injuries...........................................................................................................................31 5.5.5 Vehicle Incidents .............................................................................................................................31 5.6 Audits ...................................................................................................................................................33 5.6.1 Operational Audits...........................................................................................................................33 5.6.2 Environmental Audits ......................................................................................................................34 5.6.3 Safety Audits....................................................................................................................................35 5.7 Performance Measurement and Analysis of Results ............................................................................36 5.7.1 Maintenance Performance ...............................................................................................................36 5.7.2 Key Performance Indicators ............................................................................................................36 5.8 Review and Improvement ....................................................................................................................37 5.8.1 Compliance Issues ...........................................................................................................................37 6.0 CONCLUSIONS..............................................................................................39 7.0 ANNEX A - ASSESSMENT OF DECLARED OBJECTIVES ..........................40 8.0 ANNEX B - PIPELINE CATHODIC PROTECTION DATA AND ON/OFF POTENTIALS PROFILES.........................................................................................44 S-1-101-AR-G-101 3 2003 PL1 ANNUAL REPORT – MOOMBA TO ADELAIDE PIPELINE LIST OF ABBREVIATIONS AS2885 Australian Standard 2885 – Pipelines-Gas and Liquid Petroleum CCVT Closed Cycle Vapour Turbine CS Compressor Station DOLA Department of Land Administration EML External