Common
Hazard and operability study
Study of risks in a plan or operation
Hazard and operability study
A hazard and operability study (HAZOP) is a structured and systematic examination of a complex system, usually a process facility or machinery, in order to identify hazards to personnel, equipment or the environment, as well as operability problems that could affect operations efficiency. It is the foremost hazard identification tool in the domain of process safety. The intention of performing a HAZOP is to review the process or machinery through all phases of the product lifecycle to pick up design and engineering issues that may otherwise not have been found in other hazard identification (risk assessments) or design tools (FMEA’s, FTA’s, etc.) The technique is based on breaking the overall complex design of the process into a number of simpler sections called nodes which are then individually reviewed. It is carried out by a suitably experienced multi-disciplinary team (roles defined in section below) during a series of meetings. The HAZOP technique is qualitative and aims to stimulate...
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