Investigation Report
Thief-Hatch Fire During Welding and Cutting
02-04-2023 1405 G02280 SM 130 Fire
- BSEE
- Investigation Report
- Unknown
- FireHuman factors
- Hot work
- Process pipework and pipelinesStorage tanksValve
- Atmospheric gas testingIgnition source controlLockout and tagoutPermit to work
- Upstream oil and gas
- Offshore installation
Summary
BSEE investigates a small thief-hatch fire during welding and cutting at South Marsh Island 130 A. Slag ignited venting combustible vapours where fire blankets provided insufficient protection. Findings examine inadequate tank isolation, missing valve lockout and tagout, gas-testing locations and unimplemented venting mitigations. No injuries or facility damage occurred.
Classifications: Fire; fire safety.
Classifications: Human factors; human performance; ergonomics.
Classifications: Hot work; welding and cutting.
Classifications: Process pipework and pipelines; process piping.
Classifications: Storage tanks; atmospheric tanks.
Classifications: Valve; valves.
Classifications: Atmospheric gas testing; gas testing; atmosphere testing.
Classifications: Ignition source control; ignition prevention.
Classifications: Lockout and tagout; LOTO; lockout/tagout.
Classifications: Permit to work; PTW; work permit.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Classifications: Offshore installation; offshore platform; offshore rig.