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Many thanks - much appreciated :D

Hi Chri5 This is the 1st floor of a 3 storey building (ground floor commercial, floors 1 & 2 maisonette) so there is a habitable floor above, hence the decor issue. If (and it's only an if at this stage!) I put a heat alarm in the kitchen, I presumably don't need to put one in the lounge as...

Ooops - forgot to add the attachment......

I hope I'm reasonably familiar with the current regs - smoke alarms not to be within 30cm of a light fittings or walls, alarms to be mounted within 3m of all bedroom doors, etc. However I'm a little confused by the "Max 7.5m from any door to a habitable room" clause. I have a attached a rough...

Thanks again :D

Cheers Chri5. I see your logic and it looks like I'll have to reconfigure as you suggest. The building will be due a final inspection by the BCO, so my next question is...... Is it OK to feed the maisonette alarms off a lighting circuit (ie not off their own dedicated MCB/RCBO?) The lighting...

Yuck......... :x My concern was that a future user could simply remove the shower head, unthread the hose from the soap dish and, with very little effort, contravene the regs. I'm surprised, therefore that I can "get away" without the check valve. That said, the shower is already installed...

Hi all. As I understand the "rules" you need to fit a double check valve to an electric shower if the shower head could potentially dangle in the bath. Correct? Now, on the shower I've just fitted Triton kindly provide a soap dish thingy that clips onto the bar, and, provided you thread the...

OK, here's the scenario. 3 storey property - commercial on the ground floor, 2 floor maisonette above. The maisonette has it's own supply, meter, CU, etc, located inside the property, BUT the smoke alarms (proper battery/mains interlinked jobs) are fed from the CU in the commercial property...

Great - thanks :D

Brilliant. Thanks again. The cost of a couple of RCBOs is peanuts compared with the hassle involved in fitting earth bonding now the floors are down & the walls plastered! Just one final question - how should the RCCB be labelled? Obviously every MCB & RCBO will be labelled with the name...

That's great - thanks all. So, to clarify, I'm OK with the following course of action: - Gas & water bonded to the MET where they enter the building. (10mm csa back to a labelled earthing terminal, then 16mm csa back to the supplier's MET.) - Bathroom light & shower (the only electrics in...

Oh dear - and I thought I'd asked a simple question !! I am now confused by the following: 1) Are we now saying I can't run the shower & the bathroom lights of RCBOs? If so, what are the options? Separate RCCDs with separate MCBs? (In which case I may not have room in the existing 10...

V interesting - thanks. I am intrigued by the possibility to do away with the bonding altogether (would save me a pile of work.) You appear to be saying that if I put the shower & the lights off the non-RCD side of the rail (both on separate RCBOs,) I don't need ANY supplementary bonding...

Hopefully a simple question...... New electric shower fitted in bathroom. The work is notifiable as there has been other rewiring done too. All accessible metalwork will be eq bonded, running back to the shower mains supply (ceiling mounted dp switch) BUT..... do I need to bond the water...

Update - I spoke to Gledhill earlier and they DON'T recommend fitting an alpha, but they couldn't really tell me why. So I am left wondering whether there is a good technical reason, or whether they just don't want you messing with something that could affect the warranty.....?

Presumably the control board just switches the pump on/off? It doesn't try to be clever with proportional control?!

>> Think you meant Grunfoss... Doh - long day, time for bed I think...... Cheers. :oops: