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Hybrid ventilation and smoke control for African Airport

Hybrid ventilation and smoke control for African Airport

High flying hybrid ventilation and smoke control solution from SE Controls at St. Helena Airport.

Handling around 400 passengers each week, the airport terminal’s ventilation system is designed to monitor and control both temperature and carbon dioxide (CO2) levels, which help to maintain a comfortable environment for travellers and staff.

46 SECO NI 24 40 chain actuators with a 600mm stroke length automatically open and close the airport terminal’s windows and vents depending on the CO2 concentration and interior temperature. This is monitored by four combined sensor and control units which are located in different zones within the building.

If a fire occurs, the building’s alarm system triggers the ventilation system to switch into smoke ventilation mode. This automatically opens high level vents while also allowing replacement air to enter the terminal at low level to ensure that smoke can be quickly vented from the building, keeping the escape routes clear.

In smoke ventilation mode, the actuators are controlled by five separate SE Controls SHEVTEC controllers, which are fully compliant with all relevant fire safety regulations, international product manufacturing and testing legislation. These SHEVTEC controllers include a backup battery for failsafe operation in the event of a mains power failure.

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SE Controls

SE Controls

SE Controls is a leading international specialist in the design and delivery of Smoke Control and Environmental Ventilation systems. Through façade engineering solutions and intelligent automation technology, SE Controls optimises the life-safety...
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