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#1 Posted : 21 August 2007 22:54:00(UTC)
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Posted By John Andrews
Hello all,

Could someone please confirm if possible wheather there is a minimum level of automatic fire detection required within the common areas of flats if possible.

The stairwells are not protected in accordance with the current building regs at the property i am involved with assessing (the building is 5 storeys high).

Howeverm The risk of a fire starting and spreading throughout the common areas is very low.

Would emergency lighting along the escape route and battery powered smoke detectors be sufficient measures? Or would we need to look at installing a full mains operated alarm system/panel/break glasses/sounders etc?

Thanks in advance,

John
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#2 Posted : 22 August 2007 17:11:00(UTC)
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Posted By Ashley Wood
It depends on several factors. How many residents are there in the building? Are they able bodied? Are they elderly? How old is the building? Whats it made from? Is there a history of fires? Is there a secondary means of escape from the upper floors?

By answering these questions you will form a picture. Do the flats have fire doors leading onto the landings? If everything is positive then a BS5839 Pt6 fire alarm system may be ok rather than a full blown 5839 Pt1 system. However, if there is a risk to the residents from fire, especially if they are elderly or infirm then you may be looking at the higher spec end. Regarding the communal lounge, providing the risk assessment removes likely ignition points and any hazardous materials such as non fire resistant fabrics and furnishings, then NO you do not need to put in smoke detection. If you have to pass through this area to escape then this puts a different slant on things!

It is not easy to comment when you have not been involved in a project but I hope this helps?
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#3 Posted : 23 August 2007 09:22:00(UTC)
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Posted By ivorfire
Following on from the last poster, (not to duplicate) I would take this opportinity to suggest that the evacuation strategy, that is needed and then employed for the building will also impact on the spec of fire alarm. If there are any further commuial accommodation this too would also impact.

If the building has any other type of intergrated device e.g. automatic opening vents, lifts integrated with fire alarm this will also have an impact.

The common parts (as you are robably aware of) is subject to Fire Safety Order and thus a fire risk assessment should be considered. Depending on the age and whether if building regulations have been applied in the past it may also be subject to the Housing Act 2004 enforced by LA Environmental Health.

The standard of the accommodation is not clear from the information given. It hints at not being too standard re doors.

I am assuming there is a single staircase, and hence there is a need to protect this route. Front entrance doors should be FD30S with no breaches e.g. letter boxes (unless suitable for protection). Coupled with, probably a stay put policy on any fire alarm, it is now more critical. If on a fire in a flat at a lower floor, someone makes an escape leaving their front entrance door open, any smoke / fire now has the potential of impacting on the single means of escape for those that are still within the building at a higher level.

The total fire control measures should be considered which includes the fire alarm, for the staircase / common part. On first impression, it appears not to be "much of concern", but in essence is key to the overall fire strategy / fire management of the property.

The link below below gives further information in the form FSO Sleeping risk guide.
http://www.communities.gov.uk/index.asp?id=1162105

Hope this helps,
Shaun





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#4 Posted : 23 August 2007 14:10:00(UTC)
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Posted By HSA
Hi John
seems you are asking quite a lot of technical questions.

The HM Guides were produced as I understand it to assist the responsible person to complete basic fire risk assessments - from your information I think you have moved into an area past that which the guides were intended for.

I do know from my own studies and the IOSH Fire CPD programme that Building Regs Approved Document B gives some good guidance that a 'competent person' would use.

suggest you find one or get yourself on a training programme - the IOSH CPD ones are really good, speak to Zoe Whitehead at IOSH

best of luck
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