12 July 2012
A floating crane has completed installation of the foundations for the Cirkelbroen Bridge in Copenhagen, Denmark.
It will be a combined bicycle and pedestrian swing bridge, made up of five circles all featuring a mast and wires to provide a nautical appearance.
The final 210t section was installed by the floating crane Enak, operated by German company Bugsier. This is the last of three foundations for the swing bridge at the Christianshavn's canal in central Copenhagen.
Contractor for the scheme is E Phil & Søn and the consultant is Ramboll. "This part of the project has involved challenging and precision work," said project manager at Ramboll, Christian Wulf-Anders, who supervised the installation process. "The floating crane transported one foundation at a time, to carefully install these on the columns. While divers observed the installation from beneath the sea surface, surveyors controlled the lowering of the foundations above the sea surface by means of prisms mounted on a rack on the platform."
Cirkelbroen Bridge is designed to improved mobility for the Copenhagen's residents and create an artistic new landmark for the city. Cirkelbroen Bridge has been designed by the artist Olafur Eliasson and is a gift from Nordea-fonden to the City of Copenhagen.
The bridge will will be approximately 32m long. It has sufficient clearance for harbour cruises and small motor boats under 1.9m in height and 7.7m wide to sail underneath. When open, the swing bridge will allow free passage with a clear width of 9m.
The main platform is based on eight columns, whilst the remainder are based on three and four columns.
Currently, the ramps leading up to the bridge are under construction whilst the steel structure is being shaped in Randers, Denmark. The next visual spectacle will be the installation of the platforms on the foundations, which will also be carried out using a floating crane. This is followed by the work to install railings, lighting, masts and wires as well as assemble and test the bridge's hydraulic opening and closing mechanism.
The bridge is expected to open in the spring 2013.
A video of the foundation installation can accessed via Bridgeweb’s video section .