Cologne
IKEA
Köln, Germany / 04.2008 - 01.2009
PORR carried out the construction of a new IKEA furniture store on the site of the former Cologne/Butzweilerhof military airfield on behalf of IKEA Verwaltungs GmbH. The building was constructed as a retail and warehousing facility with a sales area of around 25,500 m². The construction project included the market hall, the furniture showroom as well as the associated logistics and technical areas.
Facts & Figures
Company
PORR GmbH & Co. KGaA
Type
Shopping centres
Runtime
04.2008 - 01.2009
Furniture store on the site of the former Cologne/Butzweilerhof military airfield
Large-scale skeleton structure for retail and logistics
With a floor area of around 210 × 140 m, the furniture store was constructed as a reinforced concrete skeleton structure. The load-bearing structure consists of prefabricated columns as well as main and secondary beams and follows an 8 × 8 m grid. The largest spans in the structure reach up to 24 m.
Underground escape routes and technical areas
Beneath the car park levels, two underground, flushed-ventilated escape tunnels were constructed, to which the internal escape stairwells are connected. The sprinkler and technical control centre was built beneath the delivery yard using in-situ concrete. With a floor area of approximately 80 × 40 m, it forms an essential part of the site’s technical infrastructure.
Assembly of precast elements during the construction process
The execution required the coordination of numerous parallel works. Large-format precast reinforced concrete elements were delivered and, at times, assembled by several installation teams, whilst work on structural elements as well as work on the building services, fit-out and Outdoor facilities was carried out simultaneously. Extensive material deliveries and heavy haulage operations also had to be integrated into the site logistics.
Planning for a coordinated construction process
Work preparation included scheduling as well as the development of precast and assembly concepts. This was complemented by the ongoing coordination of the various construction processes on site. These tasks were carried out by the PORR branch responsible for project execution.
25,500 m² of retail space at Butzweilerhof
The new development on the site of the former Cologne/Butzweilerhof military airfield has created extensive retail, storage, logistics and technical facilities. Key features of the project include the approximately 25,500 m² of retail space, the large-scale reinforced concrete frame structure with spans of up to 24 m, as well as the underground emergency escape and technical areas. The shell, technical infrastructure and the structural requirements for retail and logistics operations were all implemented as part of a coordinated construction programme.
