HIAD Event Initiating System: Non-Hydrogen System Initiating Event
The event occurred while starting a new production cycle. The production supervisor issued specific instruction on a new production cycle to a technician. The technician did not follow them in the…
The leak occurred on a process pipe of a pressurized at 17 bar and located 3.5 m from the ground The gaseous mixture composed of hydrogen, methane and hydrogen sulfide (density: 0.6) was released to…
At least one person was injured in an explosion at a theatre building. The investigation concluded that the accident has been caused by hydrogen entering the sprinkler room from the sprinkler piping…
During the shipments of incinerator bottom ash, flammable gasses including hydrogen generated and caused two explosions. The first explosion was in the forecastle store and the second in the cargo…
Hydrogen leak due to a fault with non-process related battery equipment.After reporting the hydrogen leak, fire crews have been called to a gas terminal. The leak was due to a fault with non-process…
The event occurred during the decommissioning of a nuclear power plant. It involved a tank containing 100 kg of residual sodium from the decommissioned experimental nuclear reactor which was using…
Heavy rains (more than 600 mm in 1 day) had flood a factory manufacturing calcium core electrical conductors. The power supply was cut off. The water came into contact with the calcium stored in 150…
The event occurred in a silicon hydride (SiH) emulsion production process inside an enclosed production building. The process generated a flammable gas cloud gas ignited, which later ignited causing…
Following a loss of power the failure of a backup battery causes an alarm in a hydrogen storage facility. Consequently, a valve on the purge circuit and 30 m3 of hydrogen is released to the…
The event occurred at the factory producing multilayer circuit boards by a multistep dip operation. An employee inadvertently mixed 55 gal of 50 percent hydrogen peroxide into 110 gal of 30 percent…
The incident occurred in an electrostatic filtration unit. When flushing with air during the start-up phase of a sulphonation plant, an explosion occurred in the upper partof the electrostatic…
A tank receives, after a negative reactivity test with the bottom supernatant of the tank, 20 m of methyl hydro-dichloro-silane, then 24 m of a mixture of oil and tar (negative reactivity test) and…
A car was driving out of the parking and hit the fuel cell bus at the rear (on the right-hand side).Because of the slow speed of the fuel cell bus and the low speed of the car, only the body of the…
Car driver accidentally opened his car door damaging the bus (front, right side, body and windowpane)
Collision between a hydrogen and fuel cells bust and a private car. The car was driving out from a private street and hit the bus. The bus damage is on the right side, behind the rear tires.
A car driving out from a private street hits the bus on the its right side just behind the rear tires
A car was overtaking the bus and damaged its rear-left side
A hydrogen compressor had a major malfunction resulting in serious cavitations, vibrations and dead heading of the 1st stage. The incident resulted in 5 of the 8 lower head bolts on the first stage…