A welcome to the city

James
Thursday 05 Nov 2009

Steven Holl Architects' plans for a dramatic new gateway to Copenhagen

The LM Project design for the dramatic new harbour entrance to the great city ofCopenhagen is based on a concept of two towers carrying two bridges at two orientationsall connecting back to the unique aspects of the site’s history. The Langelinie site, a berthfor ocean ships for decades, is expressed in the Langelinie tower with geometry takenfrom the site’s shape. A prow-like public deck thrusts out to the sea horizon. This deck isthe level of public entry to the bridge elevators and has public amenities such as cafes andgalleries. It can be reached by a wide public stair as well as escalators. The Marmormolentower connects back to the City with a main terrace that thrusts out towards the cityhorizon shaped by a public auditorium below. It can also be reached by escalators and isadjacent to the public bridge elevator lobby.

Each tower carries its own cable-stay bridge that is a public passageway between the twopiers. Due to the site geometry, these bridges meet at an angle, joining like a handshakeover the harbor. The soffits below the bridges and under the cantilevers pick up the brightcolors of the harbor; container orange on the undersides of the Langelinie, bright yellowon the undersides of the Marmormolen. At night the uplights washing the coloredaluminium reflect like paintings in the water.

The project utilises a variety of progressive sustainable solutions to ensure this importantinternational landmark is rooted in Denmark’s identity as one of the world leaders inalternative energy. Both towers have high performance glass curtain walls with a veil ofsolar screen made of photovoltaics; collecting the sun’s energy while shading. They areconnected to a seawater heating/cooling system with radiant heating in the floor slabs andradiant cooling in the ceiling.

Natural ventilation is provided on every floor with windowsopening at the floor level and ceiling level for maximum air circulation. Optimum naturallight is provided to all offices due to the reflective light performance of the screens. Windturbines line the top of the pedestrian bridge roof; providing all electricity for lighting thepublic spaces. Due to wind power, this inviting harbor front gateway is always glowing.

Key Facts:

Denmark
Architecture

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