Process safety professionals continue the elusive search for effective leading indicators. The search is for the one indicator to prevent process safety incidents. API RP 754 has already defined Tier… Click to show full abstract
Process safety professionals continue the elusive search for effective leading indicators. The search is for the one indicator to prevent process safety incidents. API RP 754 has already defined Tier 3 leading indicators as challenges to safety systems. Challenges include safe operating limit (SOL) excursions as well as demands on safety systems. If chosen correctly, SOLs can be successful leading indicators for incident prevention. In fact, SOLs can be a leading indicator to other safety system challenges, including pressure relief devices and safety instrumented system activations.
               
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