May 2001

Reliability/Safety

HAZROP: an approach to combining HAZOP and RCM

A single merged activity provides resource savings

Post, R. L., P.E., Rohm and Hass Co

HAZOP, a technique for combined HAZards and OPerability analysis, is commonly used in the process industries. It is considered resource-intensive, but has proven highly successful at reducing risk in our manufacturing facilities over the past two decades. Reliability-centered maintenance (RCM), based on concepts first developed in the aviation industry, is rapidly showing its value as a technique for determining cost-effective maintenance activities for process facilities. Both techniques are based on a similar analytical process: failure modes and effects analysis (FMEA). HAZROP is a discipline developed at Rohm

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