The relief device cannot discharge freely to a safe location.

Action Clear the discharge path and re-route it away from any walkway or work position.

Uncontrolled release of stored pressure · due 2025-11-04 · AS/NZS 3788 §5.6

External corrosion has progressed to the point where remaining wall thickness cannot be assumed.

Action Arrange ultrasonic thickness testing at the affected areas and compare against the minimum design thickness before the next fill.

Structural failure under load · due 2025-11-11 · API 510 §6.3

The vessel cannot be traced to its registered design data from markings on the equipment.

Action Recover the design registration from the plant register and fit a durable replacement plate carrying the registration number and MAWP.

Loss of design or inspection traceability · due 2025-12-27 · AS/NZS 3788 §4.4

There is not enough clear space to inspect, isolate or escape from the vessel position.

Action Clear and mark the working space around the vessel.

Access, egress and emergency response impaired · due 2025-12-27 · ISO 12100 §6.2.7