Investigation Report
Stairway Section Fell into Sea During Corrosion Repairs
01-24-2020 19:00 00026 WD 30 Other - Material Lost Overboard
- BSEE
- Investigation Report
- Unknown
- CorrosionDropped objectsHuman factors
- Hot workInspection and maintenanceRigging
- Lifting accessories
- Job safety analysisOperational supervisionPositive retention and reliable securingStop-work authority
- ConstructionUpstream oil and gas
- Offshore installation
Summary
BSEE investigates a stairway section falling into the sea during corrosion repairs at West Delta 30-P. The report examines deferred rigging during cutting, missed job-safety-analysis steps, failure to use stop-work authority and delayed notification. Interviews, document collection and a subsequent sonar survey inform the findings.
Classifications: Corrosion; corrosion damage.
Classifications: Dropped objects; falling objects; DROPS.
Classifications: Human factors; human performance; ergonomics.
Classifications: Hot work; welding and cutting.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Rigging; slinging.
Classifications: Lifting accessories; lifting gear; rigging gear.
Classifications: Job safety analysis; JSA; job hazard analysis; JHA.
Classifications: Operational supervision.
Classifications: Positive retention and reliable securing.
Classifications: Stop-work authority; stop work; stop-work intervention.
Classifications: Construction; construction industry.
Classifications: Upstream oil and gas; oil and gas extraction; upstream petroleum.
Classifications: Offshore installation; offshore platform; offshore rig.