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Summary
Project name will require a mechanical ventilation system incorporating a multi-zone controls system and air differential pressure sensors.
Specifics
Building Height
As your building is over 30 meters, you will likely require a mechanical ventilation system. This is due to recommendations in BS9991 which state mechanical ventilation must be used in firefighting shafts for buildings taller than 11 meters. This guidance is typically construed as being applicable even when there is no requirement for a firefighter's shaft. You will also be unable to use facade ventilation in areas of your building which are above 30 meters. This is outlined in Approved Document B Section 3 Subsection 2a where it states that "facade ventilation must not be used above 30 meters due to the influence of prevailing winds". Caution must also be taken when planning etc etc
Number of Stairs
As your building is over 30 meters, you will likely require a mechanical ventilation system. This is due to recommendations in BS9991 which state mechanical ventilation must be used in firefighting shafts for buildings taller than 11 meters.
Number of Stairs
As your building is over 30 meters, you will likely require a mechanical ventilation system. This is due to recommendations in BS9991 which state mechanical ventilation must be used in firefighting shafts for buildings taller than 11 meters.
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