A company and its manager have been fined after two workers were engulfed in a fireball when they cut through a live 1,000-electrical cable at an industrial unit in Telford. The HSE prosecuted Birmingham firm RVB Investments UK Ltd and manager Clifford Leigh following the incident earlier this year.

Telford Magistrates' Court heard RVB Investments' employees Eamonn Osborne, 53, and David Rawlins, 46, had been told to find an underground water leak at an empty industrial unit owned by the company at Halesfield 5, Telford.

Mr. Leigh instructed them to dig at a spot outside the unit. Using an electrical drill, they drilled nearly 40cm into the ground until they hit a live 1,000-volt cable. They were engulfed in a fireball and suffered burns to their hands, arms and faces. Both were airlifted to hospital and Mr. Osborne was so seriously injured that for the first few days, doctors believed he might not survive.

The court heard the estimated power of the fireball was equivalent to 4.3 million watts of energy. The heat was so intense that part of the electrical breaker's metal tool was vaporised and a 500-amp fuse was blown in a nearby electrical substation.

HSE's investigation into the incident found that RVB Investments had not assessed the risks involved, devised a safe system of work or obtained site plans of the area, checked whether there were any electrical cables underground or used safe digging methods. The two men had also received no training about the dangers arising from underground services.

RVB Investments UK Ltd, of Hurst Street, Birmingham, pleaded guilty to breaching Section 2(1) of the Health and Safety at Work Act 1974. The company was fined £10,000 and ordered to pay £4,420 costs. Clifford Leigh, of Longbridge Lane, Birmingham, pleaded guilty to breaching Section 7(a) of the Health and Safety at Work Act 1974 and was fined £2,000 and ordered to pay £1,000 costs.

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