EXample Entry in a HAZOP report System Hazard Analysis Guide Word Deviation Possible Causes Possible Consequences NONE No flow 1. Pump failure 1. Overheating in heat 2. Pump suction exchanger. filter blocked 2. Loss of feed to reactor 3. Pump isolation valve closed System Hazard Analysis Interface Analyses Various types used to evaluate physical, functional, or flow relationships Generally use structured walkthroughs Like HAZoP, effectiveness depends on procedures used and thoroughness of applicationc Leveson − 155 Example Entry in a HAZOP report System Hazard Analysis Guide Word NONE Deviation No flow Possible Causes 1. Pump failure 2. Pump suction 3. Pump isolation filter blocked valve closed. Possible Consequences 1. Overheating in heat exchanger. 2. Loss of feed to reactor. c Leveson − 156 System Hazard Analysis Interface Analyses Various types used to evaluate physical, functional, or flow relationships. Generally use structured walkthroughs. Like HAZOP, effectiveness depends on procedures used and thoroughness of application.