Process Safety×Engineering
Engineering in Operating Integrity
Work within the barriers
What sits here
Plant is operated inside its safe operating envelope, and work is controlled so that barriers are not bypassed, defeated or overloaded. When a barrier is overridden, the override is authorised and controlled. When prevention fails, emergency response mitigates the consequences.
Example documents, by tier
Standard 1
- Electrical Safety RulesRepresentative exampleStation · addsAlso in IAEA GSR Part 2 · 10 Management of processes and activitiesAlso in ONR Licence Conditions · Operating instructionsNot safety case baseline