For such a project, Busch-Jaeger as market leader for electrical installation technology is the ideal partner with its innovative products and solutions. The large-scale project in the Duisburg inner harbour was planned by O&O Baukunst from Berlin, implemented by Bau- und Liegenschaftsbetrieb NRW, and officially handed over for its intended purpose in May 2014 after a six-year construction period. The archive tower, originally designed as a silo, was supplemented with a curved extension. The five-storey complex, which, due to its prominent shape, is also called "The wave", accommodates a foyer, reading room and offices. The entire area of the state archive now amounts to 48,000 square metres. To deactivate the lights as a possible source of danger for the valuable documents, the architects have had all the windows bricked up in the old structure. Only in the transition to the new building there are recesses in the shape of bulls eyes.