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Elements PSM

How high is your MOC pile?

MOCs are difficult to manage and most sites allow them to pile up as priorities shift in maintenance and operations. Many times, MOCs sit around collecting dust and not getting implemented. Think about if these changes are absolutely necessary. Sometimes, upon second review the MOC has hazards or benefits that were not covered initially. If […]

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Elements PSM

Reviewing PSI and MOCs

PSI and MOCs are integral parts of changing and improving processes. Sometimes the MOC and PSI are reviewed with limited knowledgeable personnel in the room. Do you have the right people to review all aspects of PSI and MOCs? At one site, for example, assessments of procedures using all the skill sets in the plant […]

Categories
Elements PSM

Articulating SIS with loss of plant air/volume bottles

One of the issues found at several plants is when having a system that uses plant air articulate a function, it is not reviewed if the device would function several times at loss of power or an emergency situation. This can be critical in a shutdown if plant air is lost and the only volume […]