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Lightning protection to extension on existing building

gibb01

Hi all,

We're carrying out The electrical install to an extension onto a farm shop.The Existing building is single story, metal framed with a metal apex roof & existing PV on top. There is essentially a new wing being bolted onto it. We are also carrying out the design and I've had a lightning protection company come  to do an RA to see if and what level it should be installed. 

The risk assessment has come back as lightning protection being required. However, the client has done the usual thing and questioned why it's needed when the building has been standing for 15 years and never been struck by lightning etc etc.. So much so that they've said they're not willing to pay for it.

As we or designing the electrical installation for the new part of the building, I'm not sure where this leaves us from a legal standpoint. Other than getting the client to sign a disclaimer stating they're aware of the risks and are still happy to not have it installed. We can't force them to have it installed & It puts us in a difficult situation! 

Has anyone else come across anything like this? Any feedback would be very welcome!

Thanks,

Tim

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  • unless the new building is the tallest thing around, or has some odd lightning attractive feature, the change to the existing risk will be small, more or less in the ratio of the old to new roof areas - what has changed is the attitude to  given risk level over the years.

    If you have passed on the expert's advice, but they are insistent they do not need it, - and you could advise them to check if their insurers are happy, then just do what they are asking for, and no more, your paperwork needs to show that the it is the customers that have declined your offer to fit new lightning protection. Then they are masters of their own destiny as it were, not your problem. After all they may add something themselves afterwards using another contractor.

    Mike.

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  • unless the new building is the tallest thing around, or has some odd lightning attractive feature, the change to the existing risk will be small, more or less in the ratio of the old to new roof areas - what has changed is the attitude to  given risk level over the years.

    If you have passed on the expert's advice, but they are insistent they do not need it, - and you could advise them to check if their insurers are happy, then just do what they are asking for, and no more, your paperwork needs to show that the it is the customers that have declined your offer to fit new lightning protection. Then they are masters of their own destiny as it were, not your problem. After all they may add something themselves afterwards using another contractor.

    Mike.

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