Alarms / Trips / Interlocks

This information is currently dealt with in the Technical Measures Document on Control Systems, particularly in the sections on:

• Alarm systems; and
• Protection systems (trips and interlocks).

Case Studies Illustrating the Importance of Alarms / Trips / Interlocks

• BP Oil (Grangemouth) Refinery Ltd (22/3/1987)
• Seveso - Icmesa Chemical Company (9/7/1976)