... information module spe 155984 requirement psm element knowledge management pha implementationn implementation process unit procedure process safety element Introduction In the wake of major industrial disasters in the oil and gas industries, PETRONAS has integrated process safety...

... challenged by the responsible for its implementation specially in terms of the risk assessment process. Hazard Preliminary Analysis (PHA) technique might be applied when a fast identification and classification of the accidental scenarios is required. By the use of a risk matrix ( Table 1...