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Video Detection?
#1
Wink 
Is this stuff approved yet and if so, worTh installing?

We have a large site that has no access for a scissor lift for beams etc and no room for getting up to fit point detection (whole room is one 100m long trampoline)

Those cameras would be perfect if they’re any good!
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#2
It’s not approved because there is nothing to approve it too
That said yes you can use it and it’s talked about a bit more in the latest version of 5839-1
I would talk to the manufacturer and involve them n the design
It does work but one thing to remember is that if it’s detecting smoke then the lights are just as important as the cameras as if they can’t see they can’t detect so if you want 24/7 detection that 24/7 lights
On a side note I personally like video detection as cameras are getting better and the algorithms are getting better
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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#3
Have used them in a few sites, would have rated them quite highly until we had a site that had a large fire on a conveyer belt and it was not picked but as the fire was horizontal instead of vertical.
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#4
We have Video Smoke Detection (VSD) on a very difficult site that has several floors, each consisting of multiple inner rooms off of large open areas that are subject to fumes that make single point detection and VESDA problematic. The areas are sprinklered, but early warning was required above that offer by the sprinklers.

The VSD covers the large open areas to protect the escape routes from the inner rooms. It has been a huge failure and I doubt if I will be suggesting using this technology for a very long time, certainly until there are recognised standards for it.

Unwanted signals were commonplace - many daily at first. This required the installers to return to site several times to make adjustments. This went on for months and their efforts all seemed to be very hit and miss. It was if the company were using our system as R&D to provide useful for them to learn more about their kit perhaps, but its been a huge pain for us dealing with multiple false actuations

Various everyday events caused the activations, mainly sudden ambient light level changes. From space lighting going on and off at night to sunset/sunrise causing a momentary 'flash' of light through windows. We had issues with a rapid roller shutter flooding an internal area with light - and even doors being opened from rooms where sunlight was bright/low.

We have decided that as the system is in place for life safety to those within the inner rooms, the VSD is only switched on  during working hours and disconnected at other times. AS the premises is monitored elsewhere, we have lost an important business continuity element of the system. Even when the VSD activates, it only sounds a local alarm to a security team and is not connected to the fire alarm panel.

It hasn't been a complete waste of time as it is providing the AFD protection to the inner rooms as required, but the rate of UwFS is still high and it is isolated out of hours so it definitely does not perform what the salesmen said it would
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#5
(08-12-2017, 06:31 AM)Messy Wrote: We have Video Smoke Detection (VSD) on a very difficult site that has several floors, each consisting of multiple inner rooms off of large open areas that are subject to fumes that make single point detection and VESDA problematic. The areas are sprinklered, but early warning was required above that offer by the sprinklers.

The VSD covers the large open areas to protect the escape routes from the inner rooms. It has been a huge failure and I doubt if I will be suggesting using this technology for a very long time, certainly until there are recognised standards for it.

Unwanted signals were commonplace - many daily at first. This required the installers to return to site several times to make adjustments. This went on for months and their efforts all seemed to be very hit and miss. It was if the company were using our system as R&D to provide useful for them to learn more about their kit perhaps, but its been a huge pain for us dealing with multiple false actuations

Various everyday events caused the activations, mainly sudden ambient light level changes. From space lighting going on and off at night to sunset/sunrise causing a momentary 'flash' of light through windows. We had issues with a rapid roller shutter flooding an internal area with light - and even doors being opened from rooms where sunlight was bright/low.

We have decided that as the system is in place for life safety to those within the inner rooms, the VSD is only switched on  during working hours and disconnected at other times. AS the premises is monitored elsewhere, we have lost an important business continuity element of the system. Even when the VSD activates, it only sounds a local alarm to a security team and is not connected to the fire alarm panel.

It hasn't been a complete waste of time as it is providing the AFD protection to the inner rooms as required, but the rate of UwFS is still high and it is isolated out of hours so it definitely does not perform what the salesmen said it would
This is good feedback, thankyou, as we were considering VSD for a similar application, think we will put that on the back burner for now.
30 years in the fire industry, BAFE accredited, every FIA & BFPSA course, and still learning, but sparky knows it all!
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#6
FireVu is one of the better ones I believe.
Jeremy Brookes
SAS Limited
07956 181351
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#7
We use high spec thermal imaging campers with built in optical feeds also. They can correctly detect temperatures within a couple of degrees, the size of a cup of tea 30+ meters away. They ain't cheap though. We then chuck a couple of flame detectors alongside, so technically we are still complying with the required regs.
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