Groundworks Company Fined After Dumper Overturn Injury

A Warrington based groundworks contractor pleaded guilty after a reversing one tonne dumper entered an unprotected excavation and overturned in October 2022, throwing the driver from the vehicle. HSE found the company had instructed operators not to wear seat belts and had not adequately protected excavations, underlining the need to follow manufacturer guidance and HSE advice on dumper safety.

Jim Yates and Sons Limited has been fined after a worker was seriously injured when a one tonne dumper truck overturned on a housing construction site in Ince on 10 October 2022. The 27 year old driver was reversing when the vehicle entered an unprotected excavation and overturned. He was not wearing a seat belt and was thrown from the vehicle, sustaining crushing injuries to his leg and fractures to his foot and ankle.

An investigation by the Health and Safety Executive found that the company had instructed operators not to wear seat belts. Operators routinely fastened the belt behind them before sitting on top of it, which disabled the vehicle seat belt warning system and created the false impression that the restraint was being used correctly. Investigators also found that open excavations on site were not adequately protected to prevent vehicle access.

Jim Yates and Sons Limited pleaded guilty to breaching section 2(1) of the Health and Safety at Work etc Act 1974. The company was fined £20,000 and ordered to pay £4,824 in costs at Warrington Magistrates Court on 14 July 2026. The prosecution was brought by enforcement lawyer Mathew Reynolds with paralegal officer Benjamin Stobbart.

The case reinforces HSE guidance that one tonne dumpers are particularly vulnerable to overturning and that employers must ensure excavations have suitable edge protection to prevent vehicle access. It also highlights the importance of enforcing seat belt use and following manufacturer instructions and safety systems rather than disabling them. For employers and site managers the practical lessons are clear: review vehicle operating rules, ensure seat belts are worn, maintain rollover protection features and install effective protection around excavations to reduce the risk of overturning incidents and serious injury.

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