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Sounders in en-suite toilets and showers...
#1
Im just pricing up an installation in two 40 bedroom children's accommodation blocks that are having a refurb for the end of year, adding an ensuite to each room.

I/ve done a sounder test from the Squashni's in the bedroom, into a room that was converted this year as a trial. I got 65db(a) in the en-suite with doors closed, but once the showers are running then that level would be unacceptable.. 

Whats the regs regarding noise of showers, as the noise from the shower isn't any pre-determinable time length..
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#2
(25-11-2017, 11:16 AM)Tilly Wrote: Im just pricing up an installation in two 40 bedroom children's accommodation blocks that are having a refurb for the end of year, adding an ensuite to each room.

I/ve done a sounder test from the Squashni's in the bedroom, into a room that was converted this year as a trial. I got 65db(a) in the en-suite with doors closed, but once the showers are running then that level would be unacceptable.. 

Whats the regs regarding noise of showers, as the noise from the shower isn't any pre-determinable time length..

Same as usual I guess 65dB, or 5dB above background.

Or if less than 60 square metres you could go to 60dB but still need 5dB above background.
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#3
At this point i'm going to say RTFS

but if people did that they would not need people like me lol

so any way

16.2.1 a) 2)
where the sound pressure level of background noise is greater than 60 dB(A), the sound pressure level of the fire alarm signal should be 5 dB above the sound pressure level of the
background noise;
NOTE 1 Background noise that is unlikely to persist for longer than 30 s may be ignored.
NOTE 2 This recommendation does not apply to noise created by running water in bathrooms and shower rooms.
NOTE 3 Typical noise levels in buildings are given in Annex B.
www.fia.uk.com

Technical Manager FIA

All comments and views are mine own and may not reflect the views of FIA
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#4
(25-11-2017, 11:16 AM)Tilly Wrote: Im just pricing up an installation in two 40 bedroom children's accommodation blocks that are having a refurb for the end of year, adding an ensuite to each room.

I/ve done a sounder test from the Squashni's in the bedroom, into a room that was converted this year as a trial. I got 65db(a) in the en-suite with doors closed, but once the showers are running then that level would be unacceptable.. 

Whats the regs regarding noise of showers, as the noise from the shower isn't any pre-determinable time length..

If its children i would suspect it will be controlled staff evacuation, the problem is how young children respond to audible visual alarms , some children run others hide.
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#5
(27-11-2017, 01:39 PM)Will Lloyd Wrote: At this point i'm going to say RTFS

but if people did that they would not need people like me lol

so any way

16.2.1 a) 2)
where the sound pressure level of background noise is greater than 60 dB(A), the sound pressure level of the fire alarm signal should be 5 dB above the sound pressure level of the
background noise;
NOTE 1 Background noise that is unlikely to persist for longer than 30 s may be ignored.
NOTE 2 This recommendation does not apply to noise created by running water in bathrooms and shower rooms.
NOTE 3 Typical noise levels in buildings are given in Annex B.

Ah, but its an en-suite ;)





I'll get me coat.
Adi Bosworth
ADI Security Solutions
Fire and intruder detection
http://www.adisecuritysolutions.co.uk
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#6
OK, so this recommendation does not apply to running water in bathrooms... So the noisy shower drowning out the 65db fire alarm has no consequence according to the regs ? That does not sound very well thought through...

Kids could be anywhere from 7-18, and yes, there will be leaders and staff to provide evacuation.
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#7
I must say I wouldn't feel comfortable omitting sounder volume from the bathroom, even if it is in the regs.
Adi Bosworth
ADI Security Solutions
Fire and intruder detection
http://www.adisecuritysolutions.co.uk
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#8
The good thing about the British Standard is, being only guidance, you can always go further if the risk warrants it, although some people will insist that if it meets the commentary in the standard you don't have to go further.

If the risk warrants going beyond then why not?
Anthony Buck
Fire Safety Technical Lead @ BAFE SP205 accredited company
Extinguisher specialist

http://www.facebook.com/group.php?gid=65...415&ref=ts
http://www.youtube.com/user/contactacb
http://www.linkedin.com/pub/anthony-buck/22/957/36b
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