When is void detection required

This is backed up by Note 5 that also places the emphasis on a risk assessment to negate the need for void detection rather than to justify its installation. They can't be bought, bullied, reasoned, or negotiated with. Some men just want to watch the world burn.

Yes but that wasn't made clear in the original post. ESP, my original post was always in line with your own understanding of BS, so I couldn't understand you querying it. Thanks for clearing up the confusion. However, I disagree with your last paragraph in your post above. I'm not saying that they should be competent enough to carry out a complete fire risk assesment as required for the RRO, which is something else entirely. For example assessing if a void really needs automatic detection is often not that difficult.

Too many far alarm engineers these days are making their job seem far more important than it really is and charging accordingly by telling customers that recommendations are actually laws etc, that assessing any risks has to be carried out by an expensive specialist etc and always interpreting any BS recommendations etc.

I believe there is far too much scaremongering and lack of real knowledge in our industry these days. Unfortunately, I don't have a clue about what could be done to improve the situation! Maybe it is time to retire - 35 years of doing this should be enough for anyone!

As always I think the problem is the perceived risk of litigation Anyway you can't retire you're old school You need to go and sit on the committee doing the next revision of and and talk some sense into them! If you have issues with or tell me i'm on those committee's. You have selected one or more posts to quote. Quote these posts now or deselect them. Linear Mode. Threaded Mode. Lost Password? Your catalogue will be with you soon.

Please note this document will be downloaded via Dropbox. Download our Retail Signage Catalogue. British Standard Design requirements Click a sector to find out more. Patient Call System Accessories. Standard Call Leads. Other Systems. Special Call Leads. Remote Pendants. Quantec and Nursecall Call Mats. Floor Pressure Mat. Monitor Units. Monitor Connection Leads.

Spares and Sundry Items. Call Systems Spares. Guardian Staff Attack. Quantec Staff Attack. Fire Systems Installation. A person should not have to travel more than 45m to reach a manual call point For areas where people are sleeping, sounder devices should produce a minimum of 75dB A at the bed-head with all doors shut. Decibel loss occurs through doors: dB A through a normal door, dB A through a fire door.

For ceilings that feature an apex: as long as the height of the apex from the rest of the ceiling is less than mm for Heat detectors or less than mm for smoke detectors, then these can be treated the same as flat ceilings.

For higher apexes, a device should be installed at the highest point. Manual Call points should be positioned 1. Any non-mechanically protected cable medium should have additional protection up to 2m from floor level. Heat detector covers 50m2. Should not exceed 3. General spacing guidance: 3. Should not exceed 7. General spacing guidance: 5m from a wall, 10m between detectors. Do not site detectors less than 1m from air inlets or air conditioning units. Detectors should not be mounted within mm of any obstruction.

If the top of solid partition is less than mm from the ceiling, it should be treated as a wall. Vertical shafts like lifts and stairways should have a detector mounted within 1.