Im Zollhafen 22 / Baufeld 10

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Location
Köln, Germany
Year
2011
Client
moderne stadt, Gesellschaft zur Förderung des Städtebaues und der Gemeindeentwicklung mbH
Wettbewerb
1. Platz
Wettbewerbsart
Gutachterverfahren
Nutzer
BDO AG, Wirtschaftsprüfungsgesellschaft
BGF
7.200 m²
BRI
25.500 m³
Energie
45 % besser als EnEV
Kenndaten
DGNB Silber Vorzertifikat

The proposed office building on Plot 10 in Cologne’s historic Rheinauhafen harbour district occupies a prime waterfront position, situated between two fifteen-storey ‘crane house’ office towers. The building’s distinctive stepped elevation is designed to create a strongly sculptural presence while responding to the views across the harbour. In addition, all plant is accommodated within the building’s upper floor, freeing up the rooftop to become a fifth elevation which is directly overlooked by the adjacent towers.

The building’s energy-efficient panelised facade is characterised by a layered effect, featuring light-coloured anodised aluminium frames on the outer face of each panel and dark-coloured, opaque infills to the rear. This layered composition introduces an intriguing depth to the elevations while enhancing the verticality of the building overall.

An exemplary sustainable services strategy optimises the use of passive building elements in conjunction with a minimal use of technology. This approach, combining simplicity with the utmost efficiency, has produced in a building which offers a 45% saving on the EnEV statutory requirement for primary energy consumption, resulting in a scheme which is as innovative as it is economically viable.

Competition
expetise, 1st prize

Completion
October 2011

Start of construction
Mai 2010

Owner
moderne stadt , Gesellschaft zur Förderung des Städtebaues und der Gemeindeentwicklung mbH

User
BDO AG, Wirtschaftsprüfungsgesellschaft

Area
7.200 sqm

Volume
25.500 cbm

Energy
45 % better as EnEV

Characteristics
DGNB Silber Vorzertifikat

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