Peter Tracey was removing asbestos roof sheets from a disused building in Poynton when he stepped onto a fragile panel and fell more than five metres to the concrete floor below.

He was airlifted to hospital with critical injuries, before being placed into an induced coma.

Haydock-based Local Asbestos Services Ltd and Leicestershire-based Construction Contracting UK Ltd were both prosecuted by the HSE after an investigation found they had allowed workers onto the roof without safety measures in place.

Liverpool Magistrates’ Court was told that 59-year-old Tracey, from Fairfield, was part of a group of labourers hired by Local Asbestos Services to remove the asbestos sheets from the roof of a former factory during its demolition.

Construction Contracting was overseeing the project as the principal contractor and both companies had agreed that the sheets would be removed using a cherry picker or scissor lift underneath the roof.

This would have allowed workers to cut the bolts holding the sheets in place, without the need for them to go onto the roof itself.

The court heard that, despite this, two of the men, including Tracey, were allowed to climb onto the roof to remove the panels from above.

No safety equipment, such as nets or harnesses, were provided to stop them falling or to prevent them from being injured.

On 5 April 2013, Tracey was removing an asbestos sheet when it started to slip away. He went to grab it and stepped onto a clear plastic panel, which gave way under his weight.

Tracey suffered critical injuries, including two collapsed lungs, blood in his left lung, fractures to his ribs and hip, and a ruptured left shoulder tendon.

He was in hospital for a month and will be affected by his injuries for the rest of his life.

In a victim statement to support the HSE investigation, he said: “I now struggle to do everyday things like going to the shops, and have had to rely on my daughter and sister to do my washing and clean my home.”

Construction Contracting UK Ltd, of Hinckley, Leicestershire, was fined £12,000 and ordered to pay costs of £23,502 after being found guilty of a single breach of the CDM Regulations.

Local Asbestos Services Ltd, of Haydock, was fined £8,000 and ordered to pay £6,191 in prosecution costs after pleading guilty to a single breach of the Work at Height Regulations.

Speaking after the hearing, HSE Inspector Kevin Jones said: “Sadly this kind of incident is all too common in the roofing industry, and Mr Tracey has suffered debilitating injuries because of the failings of both Local Asbestos Services and Construction Contracting.

“Many industrial buildings have clear plastic panels on them designed to act as roof lights, but they are fragile and can collapse if workers stand on them.

“Both companies had prepared a risk assessment and method statement identifying a safe system of work, but this wasn’t implemented.

“Instead, Peter and another worker were allowed onto the roof instead of using a cherry picker underneath, which put both their lives in danger.

“This case should act as a warning to firms of the consequences of not following agreed safety systems.”