Articles

Economic Effects

According to a 2012 report by the Energy Practice of Marsh Ltd., a division of insurer Marsh McLennan, the 100 largest property damage losses analyzed within process industries from 1972 to 2011 represent approximately $33 billion in property damage, stated in…

Maintenance as a Practice

Mechanical and electronic devices need maintenance. This is simply a fact like gravity. However the extent to which this is acknowledged and put into practice varies enormously from facility to facility. Some plants are very proactive and understand their abil…

Safety Instrumented Systems Basic Performance Requirements

Older safety systems were a series of individual safety loops: a sensor connected to a logic solver, which activated a final control element. If a level sensor in a tank detected that the liquid was too deep, it sent a signal to its logic solver to close the i…

Human Factors Elements

Virtually every safety incident has a human element in one form or another. They follow three basic patterns: Bad design decisions—Even if every individual at a plant is experienced, thoroughly trained, works conscientiously and pays attention, incidents ca…

Piper Alpha Process Safety Overview

Part of the problem of trying to examine this event is its complexity. The specific series of events that turned a simple process safety incident into a disaster began with a decision to change the mode of production on the platform. A mix of maintenance issue…
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