Revamping, Rejuvenating, and Extending Asset Life | AIChE

Session Chair:

​Session Co-Chair:

Session Description:

Revamp/Rejuvenation/Asset Life Extension are major change activities in the life cycle of an asset. It adds values through capacity increase, process improvement and extension of life. These activities introduce additional hazards and risks which must be identified and managed to ensure a safe and smooth implementation. This session will discuss on the various issues, challenges and the possible solutions from the experience of various projects.

  • Implementation of an asset life extension project- lessons learnt
  • Asset life extension tools- uses and limitations
  • Challenges of managing Revamp and Rejuvenation projects

Schedule:

PRESENTATION SPEAKER
Reducing Uncertainty in Life Extension Decisions 

David Finch, Maintenance Integrity Solutions

Process Safety and Reactive Organisations Howard Thomas, Advisian - WorleyParsons Group

Reducing Uncertainty in Life Extension Decisions

David Finch, Maintenance Integrity Solutions

  • The way in which reliability and Asset Management concepts link to the life-extension processes and tools used in industry will be explored.
  • This will include the need to establish a strategy for aging facilities to ensure condition/ life assessment, inspection/ integrity reviews, assessment of current vs expected condition, identification of new failure modes are actioned and appropriate records for repair/ rehabilitation/ modifications are collected.
  • Enable the collection of appropriate data through the asset life that can be used to reduce uncertainty in life extension decisions. 
  • The emphasis in on ensuring that life-extension related decisions are based on evidence of performance and condition, risk and cost and made at an appropriate time in the life cycle.

Process Safety and Reactive Organisations

Howard Thomas, Advisian - WorleyParsons Group

Until recently the fall in industry fatality rates mirrored the fall in TRIR achieved primarily through improvements in overall safety culture. These cultural improvements relate to both personnel safety (slips, trips and falls) but also to process safety and represent a dedicated effort on the part of all involved that is to be congratulated. However, we can never rest on our laurels and the next concern should be that the fatality rate has levelled whilst the TRIR continues to fall.

This reflects the situation where fatality rate is now dominated by major industrial accidents rather than individual fatalities. With all our progress on process safety why has this situation arisen? Why do we continue to have major fatalities?

This paper suggests that our ever improving technical understanding of process safety is not well communicated in day to day operations, and that we inadvertently communicate contradictory messages on process safety and production.

A model is provided for process safety communication in terms that relate to day to day operations, putting the emphasis on leading indicator parameters that operations can directly control.

The Swiss Cheese Model is also discussed and the suggested parameters bring a quantitative analysis to the previously qualitative analysis of Swiss Cheese Theory.

These parameters have been measured in real time and tested against statistical data showing a strong correlation between actual technical safety performance as opposed to the poor correlation between theoretical Quantitative Risk Assessment and actual incident rates.