Installation above suspended ceiling issues

[EcoTechnologies]

Hey guys

Got called to a job where the entire installation was fed above a suspended ceiling on a commercial premises wired a few years earlier. All the cables are draped across the ceiling grids, all light fittings not double insulated and made off poorly with the possibility for the grid to become live, all lights wired in a spaghetti junction on cabling, circuits overloaded and switched on caused mcbs to trip out in the mornings. No proper design whatsoever...was a complete mess. plus the grid wasn't earthed either...

I'm going to be ripping the lot out and starting again properly and doing the work via contactors. what system would you guys do? I was thinking of doing the work in plastic conduit in singles going to a few 10 way Klik outlet lighting distribution boxes then flexing off to the LED ceiling panels.

One issue I do have though, there is a fire alarm panel but all the alarms/sounders are located above the suspended ceiling grid. What actually happens with this? Its not a job I personally deal with but is this common? Its pretty redundant having all the sounders and detectors left above the ceiling, there is also no fire alarm call points either (smash the glass ones).

There is no emergency lighting in the building at all also which I cant get my head around, I will be doing this also.

Cheers guys

 

[EcoTechnologies]

Nothing, I just reported that the fire alarm panel was in use but all the alarms/sounders/detectors were fitted to the concrete ceiling located above the suspended ceiling.

 

[westward10]

That is a very strange back box.

 

[Toneyz]

That is a very strange back box.

Looks like a Click scolmore flame guard fast fix box

 

[Jim90]

You could use a load of Hager J501 boxes, flex out of them to the lights, or put clix in. Use all round band to fix to the ceiling and conduit boxes to fix the clix to. I've seen worse.

 

[ipf]

Hands up who has seen a lot worse.

Yep, much worse.....but not less than 2 years old, looking at that switch box. There's enough room for all the connections in that deep bugger, rough as it is.

 

[cliffed]

See that type of installation time after time,how they get away with it,I never know.
A good tidy up,proper connections will help.

 

[DPG]

Out of interest, how would you effectively earth the whole ceiling grid?

 

[KennyKen]

---- work... I could do better and I'm recovering from Two bleed on the brain. Disgusting.

 

[Deleted member 93172]

rock roses, conduit and trunking is the way to go