HEATHROW AIRPORT is to conduct a major upgrade of the emergency lighting at Terminal 5, less than 10 years after its opening.
It is decommissioning its existing central battery units and replacing them with 23 new units in a £2.2 million project.
The new installation works and commissioning will be carried out during non-operational hours over a 23-week programme to avoid disruption. It covers all three buildings at Terminal 5.
The full integration of the self-contained and central battery units at Terminal 5 was a major innovation at the time. Testing and monitoring is performed by the general Dali lighting controls, making it the world’s largest single Dali emergency lighting system.
Using Dali avoids duplication of systems and resolves any compatibility issues. The Tridonic Dali emergency lighting control units automatically test, monitor and provide the monthly reporting. Automation of emergency lighting testing in this way eliminates much of the costly visual inspection required with conventional systems.
The lighting system is monitored and controlled with the aid of the KNX management system from Andromeda Telematics. Over 2,900 intelligent switch interfaces and 870 control panels containing KNX/Dali gateways were installed in the terminal, all linked via the KNX control system. All the data from the Dali system is fed back through an IP-platform to a building integration system.
The contract to refit the central battery units has been won by SPIE UK – original contractors at Terminal 5 – and will be completed at the end of October 2018. Terminal 5 opened in 2008.
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