Investigation Report
Allied Terminals Fertilizer Tank Collapse — Allied Terminal Fertilizer Tank Collapse
Allied Terminals Fertilizer Tank Collapse — Allied Terminal Fertilizer Tank Collapse
- CSB
- Investigation Report
- Environmental protectionLoss of containmentRegulation and legislationStructural and asset integrity
- Hot workInspection and maintenancePressure testing
- Storage tanks
- Competence and trainingExclusion zonesNon-destructive testingOperating and work procedures
- Downstream and process industries
- Onshore facility
Summary
Investigation of a fertiliser storage tank collapse at Allied Terminals that released about 2.1 million gallons and seriously injured two workers. The report examines defective welds, missing radiography, unsupported fill-level calculations, inspection practices and regulatory gaps, with recommendations for inspector training, verification and personnel exclusion during initial filling.
Classifications: Environmental protection; environmental safety; pollution prevention.
Classifications: Loss of containment; containment loss.
Classifications: Regulation and legislation; safety legislation; regulatory requirements.
Classifications: Structural and asset integrity; asset integrity; structural integrity.
Classifications: Hot work; welding and cutting.
Classifications: Inspection and maintenance; asset inspection; equipment maintenance.
Classifications: Pressure testing; hydrostatic testing; pneumatic testing.
Classifications: Storage tanks; atmospheric tanks.
Classifications: Competence and training; competency assurance; safety training.
Classifications: Exclusion zones; red zones; restricted access zones.
Classifications: Non-destructive testing; NDT; non-destructive examination; NDE.
Classifications: Operating and work procedures.
Classifications: Downstream and process industries; refining; petrochemicals.
Classifications: Onshore facility; onshore plant.