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Chapter 8
Integrity Technical Support

Excerpt

The responsibility for providing technical support in managing the integrity of a pipeline system, including its facilities, is usually assigned to a group dedicated to that task. The size and structure of the group will vary depending on the amount and diverse nature of the company's pipeline facilities and the degree to which it contracts support from outside contractors and consultants. The principal activities and responsibilities of this functional group, however, will remain fairly consistent, irrespective of the previous considerations and will comprise the following broad support tasks:

1. Develop and manage the IMP (protecting existing/newly added facilities), in cooperation with the operations and maintenance functions

2. Provide ongoing planning and project execution technical support to the IMP

3. Perform engineering assessments with respect to the rehabilitation/re-use/change of service of existing facilities

4. Conduct incident Investigations

5. Miscellaneous activities

In this chapter, we will discuss each of the above listed tasks. Once the integrity program has been established and implemented within the company, ongoing tasks will fall into one of two categories, scheduled (planned) work or unscheduled activity. Scheduled work covers a broad range of routine activities from planning the frequency of right-of-way patrols, through ongoing monitoring of unstable ground conditions, to planning and coordinating the timing and conduct of ILI and in service hydrotesting. These aspects are addressed in the early sections of the chapter. Unscheduled work arises as a consequence of an integrity related issue such as a slope failure, or a loss of containment, which warrants some form of assessment or investigation, and this investigative process is described in Incident/Failure Investigation.

  • Introduction
  • Supporting the IMP
  • Determining Re-inspection and Re-test Intervals
  • Fitness for Service Assessments
  • Incident/Failure Investigation
  • References

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