Elements and Performance Criteria
- Prepare and plan for pipeline repair or modifications
- Examine the work area and ensure there is adequate access to the affected section of the pipeline
- Identify any on-site hazards or irregularities
- Obtain plans, instructions, relevant codes and drawings of proposed works
- Ensure pipeline repairers are aware of site hazards and confirm that a permit to work has been issued
- Convey information concerning the identified repair/modification to all parties concerned with the repair
- Inform third parties of the need for access to the site as necessary.
- Monitor pipe welding, cutting and fabrication
- Ensure the pipeline system is prepared in accordance with procedures and made safe for work to commence
- Monitor the work to ensure that welding, stoppling or modifications are carried out according to the approved work plan
- Verify that the necessary inspection and testing is conducted on the repaired or modification area
- Confirm that test results are valid and that the work has been conducted to specification
- Facilitate site clean up to remove waste materials and debris and restore the site to original condition
- Sign off the permit to work at the completion of the work
- Ensure that all environmental obligations are met.
- Recommission pipeline
- Contact the control centre and advise when repairs are completed successfully and arrange for the system to be brought back on line
- Where the line has been manually isolated restore pipeline operation when authorised to do so
- Inspect the area of the pipeline subject to the permit to work for any sign of leakage or defects
- Confirm the pipeline is holding pressure and the system is meeting operational requirements.
- Complete reports and documentation
- Complete site reports and documentation as required by regulatory bodies or company procedures
- Ensure site drawings are updated to show accurate location of repair or modification
- Liaise with relevant company departments to ensure all records and drawings are updated to reflect the repair/modification.
- Control hazards
- Respond to problems
- Identify possible problems in pipeline or process
- Determine problems needing action
- Determine possible fault causes
- Rectify problem using appropriate solution within area of responsibility
- Follow through items initiated until final resolution has occurred
- Report problems outside area of responsibility to designated person.