November 2007

Special Report: Plant Safety and Environment

Designing for pressure releases during fires - Part 1

How to determine if equipment should be considered wetted or unwetted when calculating fire relief load

Norouzi, S., Sazeh Consultants, Engineering and Construction; Rahimi Mofrad, S., Petrofac Engineering & Constructions

S. RAHIMI MOFRAD, Petrofac Engineering and Construction, Sharjah, UAE, and S. NOROUZI, Sazeh Consultants, Engineering & Construction, Tehran, Iran       Comments? Write: An important responsibility that a process designer has is to design a plant that can operate safely. One hazardous situation that may arise during operations is overpressuring the system and the control system not being able to handle the pressure. These disturbances can be caused by maloperation, power failure, cooling loss, instrument failure, external fire, thermal expansion or some other reasons

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