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RR1037 Science updates to HSE's PIPeline INtegrity model (PIPIN)

The Health and Safety Executive (HSE) use the PIPIN (PIPeline INtegrity) model to determine failure frequencies of major hazard pipelines. PIPIN uses two approaches to determine failure rates: an approach based on operational experience data, which generates failure rates for four principle failure modes (mechanical failures, ground movement and other events, corrosion, and third party activity); and a predictive model that uses structural reliability techniques to predict the failure frequency due to third party activity (TPA) only. The science underlying the TPA model has undergone a peer review with a number of recommendations made for improvements. HSE asked the Health and Safety Laboratory (HSL) to investigate the recommendations of the peer review and ascertain which recommendations improved the scientific basis of the model. HSL considered each of the recommendations in turn and the impact on the failure rates calculated for a set of 584 pipelines. Following discussions between HSL and other experts, one of the recommendations was rejected. The effect of implementing the remaining recommendations is to increase the failure rates, on average, although some pipelines see a decrease in the failure rate calculated.

Visit the RR1037 report (PDF) [12]

Assistance in the use of Adobe Acrobat PDF files is available on our FAQs[13] page.

Link URLs in this page

  1. Science and Evidencehttps://www.hse.gov.uk/RESEARCH/index.htm
  2. Annual Science Reviewhttps://www.hse.gov.uk/RESEARCH/review.htm
  3. Find a publicationhttps://www.hsl.gov.uk/publications-and-products
  4. Science and Evidence FAQshttps://www.hse.gov.uk/RESEARCH/faqs.htm
  5. Overview - Resourceshttps://www.hse.gov.uk/RESEARCH/publish.htm
  6. Research Report serieshttps://www.hse.gov.uk/RESEARCH/rrhtm/index.htm
  7. Coronavirus research reportshttps://www.hse.gov.uk/RESEARCH/coronavirus-science-research.htm
  8. Workplace Health Expert Committee (WHEC)https://www.hse.gov.uk/RESEARCH/workplace-health-expert-committee.htm
  9. Insight researchhttps://www.hse.gov.uk/RESEARCH/insight.htm
  10. Shared research programmehttps://www.hse.gov.uk/RESEARCH/shared-research-programme.htm
  11. HSE: Innovation in Regulationhttps://www.hse.gov.uk/RESEARCH/innovation-in-regulation.htm
  12. Visit the RR1037 report https://www.hse.gov.uk/RESEARCH/rrpdf/rr1037.pdf
  13. FAQshttps://www.hse.gov.uk/faq.htm
  14. Research Reports (RR)https://www.hse.gov.uk/RESEARCH/rrhtm/index.htm
  15. More resourceshttps://www.hse.gov.uk/RESEARCH/publish.htm
  16. Find a publicationhttps://www.hsl.gov.uk/resources/hse-science-and-research-publications/
  17. Research report serieshttps://www.hse.gov.uk/RESEARCH/rrhtm/index.htm
  18. Annual Science Reviewhttps://www.hse.gov.uk/RESEARCH/review.htm
  19. HSE Buxton Laboratoryhttps://www.hsl.gov.uk/
  20. Contract opportunitieshttps://www.hse.gov.uk/sellingtohse/contracts.htm
  21. Statisticshttps://www.hse.gov.uk/statistics/index.htm
  22. HSE jobshttp://careers.hse.gov.uk/
  23. Chief Scientific Advisershttps://www.gov.uk/government/groups/chief-scientific-advisers
  24. Government Science and Engineeringhttps://www.gov.uk/government/organisations/civil-service-government-science-engineering

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Updated 2023-12-12