Wallop Defence Systems Ltd. (WDS) has been ordered to pay £376,000 in fines and costs for safety failings that caused a fatal explosion at its Hampshire factory.
Anthony Sheridan, 37, from Over Wallop, was killed from injuries sustained in the blast at WDS, in Middle Wallop near Stockbridge, in June 2006.
Mr Sheridan was emptying one of six industrial ovens used in the manufacture of military flares. The ovens contained high levels of nitroglycerin (NG) that exploded, causing an explosion that destroyed the factory building.
Several other workers were injured in the incident, with blast debris landing up to 600ft away.
On 9 November, Winchester Crown Court heard that WDS had realised in 2004 that their process for curing pellets as part of the production of military flares produced the explosive chemical as a by-product.
An investigation by the Health and Safety Executive (HSE) found that none of the company's senior management team or technical advisers were competent to deal with the NG issue, but did not seek external professional assistance.
Reviewing the company's procedures since NG was discovered in 2004, HSE found WDS was not complying with the basics in explosive safety and failed to adhere to licensing requirements for the storage and processing of explosive substances. Their failure to properly assess and manage the risks put workers and the public in danger.
A second explosion occurred in December 2008 when the company attempted to dismantle the remaining NG contaminated oven on the company's second site. No one was injured in the explosion. The court heard that the company failed to engage with the HSE and seek competent expert advice on dismantling it and that the incident was entirely foreseeable and avoidable.
Wallop Defence Systems Ltd., of Craydown Lane, Middle Wallop was fined a total of £266,000 and ordered to pay £110,000 in costs for three breaches of the Health and Safety at Work etc. Act 1974, two relating to the fatal explosion and the other to the second blast.
The company pleaded guilty to all three breaches in an earlier hearing at Andover Magistrates Court.
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