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EICR Coding for smoke detector hard wired into separate property ?

aligarjon

Hi Guys.   I did an EICR on a rental flat today. Flat is above a shop. Flat  has its own meter etc in the flat. Shop is completely separate electrically wise apart from a mains linked smoke detector . Supply to detectors are from the flat.  Installation looks late 80s early 90s. 

I have coded it as a C3 as it isn't dangerous for the flat but could be a problem for somebody working in the shop. I have mentioned it to the shop owner and noted it on the report.  I suspect it has been like it for 20 odd years so probably before the wireless bases were about.  Any thoughts on the coding please or should it not be coded at all.

Cheers   

Gary

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    At the very least it needs to be clearly labelled in both places that this item in one building is switched off by an MCB in another.  If only to avoid the risk case where someone turns off the wrong mains switch, and then takes down the sensor to do something to it and gets a belt off it. It does also make you wonder if the two fire zones should link in both directions - does or should the sounder go off in the shop if there is a fire in the flat ? Perhaps, if they are not separated against spread of fire, they are really one big zone ?

    It is not an electrical matter per-se, but someone who is happy to advise on fire safety really needs to look at it with that sort of hat on.

    Mike.

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    At the very least it needs to be clearly labelled in both places that this item in one building is switched off by an MCB in another.  If only to avoid the risk case where someone turns off the wrong mains switch, and then takes down the sensor to do something to it and gets a belt off it. It does also make you wonder if the two fire zones should link in both directions - does or should the sounder go off in the shop if there is a fire in the flat ? Perhaps, if they are not separated against spread of fire, they are really one big zone ?

    It is not an electrical matter per-se, but someone who is happy to advise on fire safety really needs to look at it with that sort of hat on.

    Mike.

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