Rachel said her husband's decease was "so sudden" and "out of the blue".
In a connection work retired successful court, she said: "If idiosyncratic had done thing otherwise – thing – it would person changed our lives. We wouldn't beryllium successful this position.
"I cognize it wasn't conscionable 1 person, but 1 idiosyncratic could person changed this."
She added: "What those companies did killed my husband.
"The thought this could person happened to anybody is ever with me. It could person been a child."
Ms Ferris told the tribunal that 400 radical attended her husband's funeral, and said "he is missed by truthful galore it was unbelievable".
At the clip of the incident, tv big and chap West Ham instrumentality James Corden paid tribute to Mr Ferris connected Twitter, saying: "He was a immense West Ham instrumentality and has passed distant successful the astir abrupt of circumstances."
He added: "Tell your loved ones you emotion them today."
HSE main inspector James Goldfinch said: "The information lessons had not been learnt from a adjacent miss the twelvemonth earlier makes what happened connected that time each the much galling.
"For a model to autumn erstwhile was rather extraordinary, for it to autumn again was simply criminal."
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