Safe Operating Windows - Audit

[ivani1]

Formalizing some questions to perform an audit on Operations for management of safe operating windows.
Would appreciate inputs.

[tuan]

1. Obtain the controlling procedure and check the references
2. Check is there are any gaps within the procedure itself compared to the provided references
3. Obtain 5 reported excursions
4. For each of the excursion, apply the procedure and check the conformance
5. Identify an excursion having impact on asset integrity (preferably, long term) and contact AI personnel for their action
(4) will provide you enough findings.

[ivani1]

Thanks for the inputs.
Looking for any other references /inputs.

[tuan]

Got something useful for you to go through.
Though basic but provides good inputs to better the concepts.
Perspectives about the process control system, alarms, SIF and then mechanical controls, PSV.