Iberdrola Tower, Bilbao, Spain, 2011 Iberdrola tower is situated in Bilbao, the biggest city of the Basque country, in the North of Spain. The concrete, steel and glass giant is 165 m (541 ft) high, consists of 41 floors and comprises a total of 50 000 square meters. Construction started in 2007 and was finished in 2011. The tower is the tallest building in the whole Basque country. The huge business center is designed as sustainable “green building” and gained a LEED CS 2.0 certification. 20 000 DALI luminaries - standard as well as emergency - and 5 000 automated sun blinds are controlled via 70 L-DALI Controllers and 35 LINX-110 Automation Servers. The challenge was that standard DALI luminaries and emergency luminaries are on the same DALI channel, so that one DALI Controller has to ma

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