UN City
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UN City

3XN

UN City
Edited By 3XN -

Bringing together the various agencies and functions of the United Nations regional offices in Copenhagen, the new UN City is located at Marmormolen (The Marble Pier) north of Copenhagen’s city center. 3XN’s design is a response to the UN’s wishes for an iconic building expressing the organization’s values and authority. Located on an artificial island the building is naturally separated from its immediate surroundings, while still being highly visible from both the city and the water. From above, the eight-pointed star shape is a clear visual reference point, which, like the UN, reaches out to all corners of the world. Similar to the surrounding rusty pier edges, the UN city has a dark burnished steel base from which the white main building rises. This is a reference to the elegant white ships that characterize this part of the Copenhagen harbor. The building has a façade cladding of white perforated aluminum shutters, developed by 3XN and contractor Pihl specifically for the UN City. The shutters ensure solar shading without blocking the view or the daylight. Since the facade is divided into three meter long modules, it is possible for the employees to control the sunshade from their computers. The result is an improved indoor environment, and a dynamic façade expressing a building full of life. From the core of the star-shaped building, a daylight filled atrium connects the lobby level containing all common functions, with the office levels, where the various UN agencies are distributed. From the atrium a central staircase binds all levels together. 3XN has created the staircase as a dramatic spatial sculpture, a symbol of the UN's work to create dialogue, interaction and positive encounters between people in all parts of the world. In the daily life, the sculptural form inspires the UN employees to want to use the stairs, and thus the staircase also forms the basis for dialogue, cooperation and informal meetings between the various UN organizations.
All office levels are characterized by an open and flexible layout encouraging knowledge sharing and interaction as well as individual immersion. Work stations are ensured plenty of high quality daylight and a good indoor climate. The working environment is further improved by an overall health policy including a number of sustainable features: more than 1,400 solar panels reducing the need for electricity from the grid; cold seawater pumped into the building’s cooling system, almost entirely eliminating the need for electricity to power the cooling cycle; innovative aerators placed in the taps in kitchens, toilets and showers; roofs coated with a white, recyclable membrane made from plant-based materials, reflecting sunlight and reducing the solar warming of the building, and sedum roof areas reducing water run-off from the building and helping regulate the indoor temperature. The UN City is expected to become one of Denmark’s most energy efficient buildings with an annual energy consumption of less than 50 KwH per m2 (Danish Energy Class 1). The UN City is registered with the LEED sustainability ratings system with the certification goal of LEED® Platinum. UN City has been awarded the prestigious GreenBuilding Award 2012 by the European Commission.

3XN

Location: Copenhagen, Denmark
Client: FN Byen (Copenhagen Port & City Development)
Completion: 2013
Gross Floor Area: 52.000 m2
Cost of Construction: 134.000.000 Euros
Architects: 3XN
Interior Design: PLH / UN Common Services
Contractor: E. Pihl & Son

Consultants
Engineering: Orbicon
Landscape: Schønherr

Photography: © Adam Mørk

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