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Case
Mobile Cranes
Cranes
Infrastructure

SMALL IS BEAUTIFUL

While BMS Heavy Cranes was lifting the tunnel boring machines to and from the working sites of the Copenhagen metro line all through 2016..

Since 1911, the Copenhagen Central station building has been located opposite the world famous amusement park and pleasure garden Tivoli in the heart of the Danish capital. Copenhagen Central is the largest railway station in the country. It is the hub of the Danish State Railways’ network serving Denmark and international destinations. It services the Copenhagen suburban rail network and from 2019 it has been part of the City Circle metro line with 17 stations in the metropolitan area.

When metro lines are being established, the bigger part of the work obviously takes place underground. That was also the case at Copenhagen Central, as the subterranean metro station is located southwest of the Central railway station and the two are connected by a tunnel.

Whereas much of the work on the metro was carried out with equipment of enormous size, the mantra of Kranexpressen’s work has been ‘small is beautiful’.

The task was to establish elevators from the platforms to the existing pedestrian tunnel, which connects the metro station and Copenhagen Central. As the building – made of materials such as brick, slate and granite and with a wealth of ornamental details – is protected by a preservation clause, there are very strict rules on what can and cannot be done. Therefore, quite special considerations were associated with this assignment.

In this context, Kranexpressen used a Liebherr LTC 1045. This compact mobile crane is characterized by being able to stay below 310 cm in height. This means that it can be transported on a rail vehicle without damaging wires and other vital equipment and installations.

After test liftings, carried out with the help of the sister company BMS Copenhagen, the actual work could begin. It extended over nine week-ends and public holidays as it had to be carried out while trains and passengers were still able to move as usual in Copenhagen Central station.

The metro in Copenhagen, Denmark was expanded with a City Circle line consisting of 17 stations. The new line – an approximately 15 kilometer underground railway under the Danish capital – was opened in 2019.

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