Kier MG Ltd (formerly known as May Gurney Ltd) of Tempsford Hall, Sandy, Bedfordshire, pleaded guilty to breaching Regulation 22(1)(a) of the Construction (Design and Management) Regulations 2007. It was fined £1.5 million with over £23,327 in costs.
John Henry & Sons (Civil Engineers) Ltd of Barnwell Road, Cambridge denied the charge but was found guilty, after a trial of breaching section 3(1) of the Health and Safety at Work etc. Act 1974. It was fined £550,000 with more than £166,217 in costs.
Lawless Civils Ltd of Doddington Road, Lincoln, pleaded guilty to breaching section 3(1) of the Health and Safety at Work etc Act 1974. The company was fined £40,500 with over £53,346 in costs.
Lincoln Crown Court heard how principal contractor, Kier MG, was appointed to install new storm drains by Lincolnshire County Council.
The company sub-contracted the installation work to John Henry & Sons (Civil Engineers), who subsequently further sub-contracted the work to Lawless Civils.
Vincent Talbot, 47, was a self-employed contractor hired by Lawless Civils. He was helping to dig a trench as part of the project at Fleet Street, Holbeach on 09 March 2012.
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However, the trench had been left open overnight and concrete was being used to bed the pipes in at the bottom of the trench, instead of pea gravel as specified by the client. Water mixed with the concrete, making the pipe levelling process extremely difficult as the level of the pipe bed had to be continuously adjusted.
As Mr Talbot was attempting to level a pipe section for a second time, the sides of the trench collapsed and trapped him. He was trapped for 15 minutes before being extracted by the fire and rescue service and then airlifted to hospital. His injuries included a broken leg in six places and his right ankle has been left permanently damaged, pointing 10 degrees off line. In addition, he was off work for more than a year and vows never to work in a trench again.
An investigation by the Health and Safety Executive (HSE) found insufficient measures were taken to protect those working in trench, and a series of safety errors had led to the collapse.
John Henry & Sons had failed to inform Kier MG of the appointment of Lawless Civils to the project. While Lawless were approved contractors of Kier MG, they were not approved for this type of specialist excavation work. Lawless also appointed a supervisor who had never supervised work, he did not have the relevant training and qualifications to do so.
After the accident to Mr Talbot, John Henry & Sons backdated the method statement to give the impression that it was signed by the workers prior to the trench collapsing. In addition, a three-metre long trench box to shield workers were erected, but the pipes being laid in the trench were six metres long, meaning workers weren't protected over the length of the pipe.
Other trench support systems such as trench sheeting were not used, and the unsupported trench had water leaking into it.
HSE inspector Martin Waring said: "This incident was foreseeable and avoidable and Mr Talbot's injuries were the result of multiple failings by the duty holders, from the planning stage through to the execution of the project, resulting in the inevitable collapse of an unsupported trench. Sufficient trench support systems were not provided.
"Even while the excavation phase had begun, a catalogue of errors and omissions led to the injuries of Vincent Talbot. It is inevitable that at some time an unsupported trench will collapse, for this reason safe systems of work, should be in place in order to protect persons who work in trenches."
(LM/MH)
