Bad emergency lighting install

[timhoward]

Two lighting circuits covering various communal areas on two floors of a HMO.
The non-maintained emergency lighting that covers those areas is on a separate circuit (actually with the fire alarm). So either of the lighting breakers could trip and the relevant lighting wouldn't come on.

Who takes the view that this is a NOTE as it's not an electrical safety issue, and who takes the view that the electrical installation was badly thought out and/or implemented and it's fair game to code this as an electrical issue? My leaning is the former. Who's on which side of the fence?!

As far as I can see the only trivial improvement is putting the maintained links in them all.

 

[timhoward]

Not an expert on em lighting,but could a contactor on each lighting cct with series contacts break the cct to the em lights if any lighting cct failed?

Yes. (actually option b in post #7!)
Since writing that it seemed overkill I've realised that low rated contactors are under £10 and this could in fact be the simplest solution.

 

[davesparks]

Not an expert on em lighting,but could a contactor on each lighting cct with series contacts break the cct to the em lights if any lighting cct failed?

Yes, but it adds more potential points of failure and may make the system less easy to maintain in the future.

 

[Lister1987]

(T+E feed and shared supply) and other matters.

Please tell me that's in FP from the board to those safety services?

 

[timhoward]

Please tell me that's in FP from the board to those safety services?

That's exactly the point - it isn't.
To be fair when that system was installed it actually didn't have to be. (if I I remember correctly from my fire alarm days 2002 was the change in BS 5389 that bought that in)
Anyway, it's been bought to the landlords attention and he is being meticulous in wanting everything spot-on, so it's being upgraded. I've phoned the fire alarm service company and they are on board.