System Information

Technical Specs.

Which system do I need?

Whilst a proper review will be needed to confirm this, the below comparison grid will help you determine which may be more suitable.

Technical information

Shaft Size
0.6m2 shaft throughout building - can't be used for any other services.
Head of Stair Vent Size
1.0m2 Free Area required - this equates to an approx. Aerodynamic Free Area of 0.7m2.
Shaft Vents
Dampers certified to BS EN 12101-8 are required. Flow rates are determined by CFD.
Maximum Corridor Length
If the Computational Fluid Dynamic (CFD) analysis confirms viability, there's no limit.
Power Supply
Requires 2 x three-phase power supplies via diverse routes. UPS, generators and secondary substations are options. More detail in BS 9991 – Section 15
For information about mechanical systems all in one place, please download our comprehensive datasheet.

Guidance & Legislation.

Whilst this isn’t comprehensive, it’s an overview of the key bits of guidance, legislation and regulation surrounding mechanical systems.
This stuff is tricky. If all the regulation has you confused, our technical team can clear it up.
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