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Servicing following a fire
#1
Just attended a site following a fire , its a conventional system with extensive smoke damage in some areas. I thought i had seen it in the BS , following a fire any contaminated automatic devices should be replaced, therefore I'm going to assume all devices in this area require replacement.I know its common sense but am i correct?
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#2
There's a requirement for a special inspection following a fire but I can't see anything specific re replacing contaminated devices ....

As you say, it's common sense really ......
===============================
Some men aren't looking for anything logical. They can't be bought, bullied, reasoned, or negotiated with. Some men just want to watch the world burn.
Established 1985 - BAFE SP203 - Wireless Fire Alarm System Specialists
http://www.ctafire.co.uk
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#3
46.4.5 Recommendations for inspection and test of the system following any fire
The following recommendations should be carried out as soon as possible after any fire.
a) Every manual call point, automatic fire detector and fire alarm device that might have been affected by the fire should be inspected and tested in
accordance with 45.4.
b) A visual examination and suitable tests should be carried out on any other part of the system that lies within the fire area and other areas affected by corrosive smoke from the fire and that might have been damaged by the fire (e.g. power supplies, control equipment and cable). Where there is evidence of damage, suitable action should be taken.
c) Circuits external to the CIE that could have been affected by the fire should be tested for correct operation.
d) On completion of the work, any defects found should be recorded in the system logbook, and the premises management should be notified accordingly.
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
(10-04-2017, 02:52 PM)Will Lloyd Wrote: 46.4.5 Recommendations for inspection and test of the system following any fire
The following recommendations should be carried out as soon as possible after any fire.
a) Every manual call point, automatic fire detector and fire alarm device that might have been affected by the fire should be inspected and tested in
accordance with 45.4.
b) A visual examination and suitable tests should be carried out on any other part of the system that lies within the fire area and other areas affected by corrosive smoke from the fire and that might have been damaged by the fire (e.g. power supplies, control equipment and cable). Where there is evidence of damage, suitable action should be taken.
c) Circuits external to the CIE that could have been affected by the fire should be tested for correct operation.
d) On completion of the work, any defects found should be recorded in the system logbook, and the premises management should be notified accordingly.
 
Typical BS , it doesn't really identify the servicing responsibilities other than to test the devices for operation, on a conventional system that doesn't really identify whether the device has been contaminated. Going to apply the BS according to commonsense and replace all devices which may have been contaminated by smoke ingress.
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#5
We recently had a fire and death in one of our buildings, system worked correctly thankfully.
I went in and inspected the system and documented all detectors in any area that had smoke residue evident ne replaced. Which was most of one side of the building.
We just ripped out the system as it was old and replaced the lot.
So yes, any smoke residue in the area, replace devices.
Bugger, I did isolate the dialer...didn't I?
Oops
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#6
(10-04-2017, 04:09 PM)kevin hynes Wrote:
(10-04-2017, 02:52 PM)Will Lloyd Wrote: 46.4.5 Recommendations for inspection and test of the system following any fire
The following recommendations should be carried out as soon as possible after any fire.
a) Every manual call point, automatic fire detector and fire alarm device that might have been affected by the fire should be inspected and tested in
accordance with 45.4.
b) A visual examination and suitable tests should be carried out on any other part of the system that lies within the fire area and other areas affected by corrosive smoke from the fire and that might have been damaged by the fire (e.g. power supplies, control equipment and cable). Where there is evidence of damage, suitable action should be taken.
c) Circuits external to the CIE that could have been affected by the fire should be tested for correct operation.
d) On completion of the work, any defects found should be recorded in the system logbook, and the premises management should be notified accordingly.
 
Typical BS , it doesn't really identify the servicing responsibilities other than to test the devices for operation, on a conventional system that doesn't really identify whether the device has been contaminated. Going to apply the BS according to commonsense and replace all devices which may have been contaminated by smoke ingress.

I would, or certainly recommend it, there is a high probability that either the detectors are going to be less sensitive, or, more likely to be prone to unwanted alarms, so definitely recommend replacements.
30 years in the fire industry, BAFE accredited, every FIA & BFPSA course, and still learning, but sparky knows it all!
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