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Smoke ventilation system meets time pressure at Belfast Titanic Centre

Emerson Industrial Automation, Control Techniques : 03 April, 2013  (Application Story)
The Harvey Group, a provider of mechanical and electrical building services in Northern Ireland and the UK, was contracted by Titanic Foundation, the owners of Titanic Belfast, to supply and install complete building services. This was a unique challenge due to the highly unusual shape of the building.
Smoke ventilation system meets time pressure at Belfast Titanic Centre

Titanic Belfast was built to continue the story and legacy of the world-famous ship; to celebrate Belfast’s great ship-building feats and commemorate Titanic’s tragic maiden voyage and loss of life.  Titanic Belfast is located in the heart of Belfast, Northern Ireland, on the slipways where the Titanic was built.  It measures 14,000sq.m and accommodates nine galleries of interactive exhibition space, an underwater exploration theatre, recreations of the ship’s decks and cabins, banqueting facilities, Titanic Store and a café and bistro. The unique architectural design was influenced by several maritime themes, including the insignia of the White Star Line.

In February 2012 G S Stothers Mechanical & Electrical Engineering, one of Northern Ireland’s smoke ventilation specialists, was asked by the Harvey Group to supply a system which could control two twin fan-sets within the smoke extraction system in the atrium of the Titanic building. Obviously, it was necessary that the control system be 100% reliable.

Titanic Belfast was due to be open before the 100th anniversary of the April 1912 sinking of the Titanic and the opening date was set for March 31, 2012, the 100th anniversary of Titanic leaving the slipway before its fit-out at Thompson Dry Dock. Delivery of the control system was therefore required before the end of February, giving G.S Stothers less than one month to complete the job.

G S Stothers chose Commander SK drives from Control Techniques to control the fan-sets. The drives were recommended by Northern Ireland-based drives distributor, Motion Control Systems, because time was critical and Commander SK drives are renowned for the ease with which they can be programmed and interfaced to any external control system.  Additionally, SK drives are well known for their extreme reliability.

The twin fan-sets were positioned in the 5th and 6th floor areas near the top of the atrium in the Titanic building.  They are connected to a Very Early Smoke Detection Apparatus (VESDA) system, which is designed to activate the smoke extraction system once it detects smoke at high level.  If smoke is detected, then four variable speed drives ramp up the fan-sets in a delayed sequence, so that one fan does not restrict the airflow of the other.

G S Stothers approached Motion Control Systems who recommended using 37kW Commander SK drives. Motion Control Systems was able to supply the four modules within two days.


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