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Fire Alarm, Data and Power Sharing Tray

fiftyhertz

Im looking at a project where the majority of ceilings are going to be exposed. The interior designer is being quite fussy with the M&E installation. 

I think the neatest solution is going to be a single tray split into three compartments with steel dividers, LV soft skinned submains and final circuits, in the middle the Fire alarm and on the other end Data. The majority of the data install is going to be fibre, so not a major issue. Any Cat 6 data points are separated from the power by the fire alarm portion of the tray, and therefore 50mm away from the unscreened power. 

Ive read the clause in 5839-1, and dont think this contravenes the regulations. Id be intrested to hear from anyone whos done this before or has an opinion?

Thanks

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    BS 6701 (for the data) requires physical separation of at least 50 mm (but may be greater under some conditions) even with metallic barriers … that does not necessarily mean separate containment though, provided the separation is physically maintained along the containment route.

     

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    BS 6701 (for the data) requires physical separation of at least 50 mm (but may be greater under some conditions) even with metallic barriers … that does not necessarily mean separate containment though, provided the separation is physically maintained along the containment route.

     

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