HIAD Causes: Management Factors

An explosion occurred at testing equipment of a fuel-feeding system for a space rocket engine. According to the original source of this event, now lost, the test envisaged a 42 MPa high-pressure…

Workers were performing demolition on a disused furnace. While removing a 10 inch valve from a pipe used to supply coke gas fuel to the furnace, flammable liquid was unexpectedly released and ignited…

A deflagration occurred inside the tank at the start of grinding operations. The tank had contained sulfuric acid. All preparatory procedures had been properly carried out: neutralisation of…

An autowash machine was being used to clean aluminum trays with burnt on product. The autowash in normal situations cleans steel trays not aluminum. The cleaning fluid contained Na OH. On contact…

An explosion occurred around noon while conducting hot work (with a disc saw) on a 320-m fixed-roof tank at a pharmaceutical plant employing 240 personnel. The tank belongs to a waste treatment…

waste water tank Hydrogen that causes the incident has been produced either during waste water treatment or by a reaction between sodium borohydride and the waste water filling the tank.

The explosion was caused by the ignition of hydrogen during reaction with sodium metal. The Chemistry Department routinely dried solvents using metallic sodium. This leaves an excess of sodium metal…

An explosion and fire occurred in a mud logging unit during the final phase of rigging it up. Gas analysers had been calibrated and the flame ionization detection (FID) and total hydrocarbon analyser…

Hydrogen was accidentally produced inside the sealed container containing a used battery. The gas, along 6 days deformed the container. Firefighters equipped with breathing apparatus open the…

Explosion in an electrolyzer producing chlorine The explosion occurred after the opening of an auxiliary circuit-breaker. The opening of the auxiliary circuit breaker trigger the shut down of the…

In the acid treatment room of a Seveso low-threshold hazardous waste treatment centre, an explosion occurred on a 250 m concrete tank containing acid sludge being neutralized. The explosion occurred…

The explosion occurred in an incinerator for non-industrial wastes, during inspection and repair works. These were due to a large quantity of aluminum which produced a solid lump of ash. The…

Works at the power grid of a hydrogen production unit is at the origin of the sequence of the following events:1.Fusion of a safe fuse triggering the closure of a valve on the manifold of a pistons…

Five barrels of aluminum dust that had been removed from an outdoor dust collector were sealed and stored in the plant adjacent to electrical panels. One of them had somehow been contaminated with…

The vent occurred at the hydrogen manufacturing unit: a pipe of this unit burst, followed by an explosion. The fire was extinguished in about 15 minutes. One employee nearby had a consequence from a…

Explosion at chemical plant in Akita Prefecture involving hydrogen killed a worker

An explosion occurred in the Heat Treatment Shop of this site. The explosion was centered in the electrical control panel of the High Velocity Oxy Fuel (HVOF) thermal spraying equipment. The violent…

An explosion occurred in an electrostatic precipitator whilst it was being accessed for maintenance. The explosion caused an inspection hatch cover, which had been unbolted, to be blown off and…

On a cold morning, the gasoil hydro-treatement unit was being brought back on line after being out of service to repair a governor problem on the recycle gas compressor. Several upset trips had…

The Microbiological Anaerobic Chamber of approximately 2 m3 capacity was containing an explosive mixture of hydrogen and air. A fire followed the explosion, but was rapidly extinguished by staff…