Liebherr luffers climb Singapore high-rise

Liebherr’s largest luffing jib cranes are, for the first time ever, using a 24 HC 1000 tower system to climb within the structure.

Two new Liebherr luffing jib cranes are currently raising a 48-storey office building in the center of Singapore. The two 710 HC-L cranes are using a 24 HC 1000 tower system to climb up on the inside, which is a world first for Liebherr.

Two Liebherr luffing jib cranes are currently working on the construction of one of the two towers of the Central Boulevard Towers in Singapore.

Having started work on the project in November 2020, the Central Boulevard Towers are being built right next to the historic “Lau Pa Sat” building. One of the two new towers will be approximately 241 metres in height. It’s for this part of the project that the two 710 HC-Ls, with jib lengths of 40 and 45 metres, are being used. The two cranes are owned by the Kim Soon Lee company, and will reach their maximum tower height of 245 metres in just ten climbing stages. This is made possible by a 57 metre-high tower.

“The number of times a crane has to climb impacts how long the downtime is for customers,” said Eric Konijn, tower cranes project manager, Liebherr. “We were able to offer our customer a solution with ten climbing stages, which saves them valuable time and consequently money.”

The Liebherr 710 HC-L model was chosen because of the tight conditions on site, and the project’s heavy load and handling capacity requirements, the company said. The 710 HC-L has a maximum lifting capacity of 64 tonnes and is the largest luffing jib crane Liebherr offers. It can easily lift and precisely position the pre-cast concrete parts, weighing up to 30 tonnes, which are needed for the skyscraper’s construction.

When completed, the 48-storey tower will accommodate office and retail space. The Central Boulevard Towers project also includes a second tower, which is 16 storeys high. One of the highlights is an urban “sky park” with green spaces. Small recesses are to be incorporated into the greenery as meeting areas, and the park will also include a jogging track for employees to do their laps on.

For the first time, the 710 HC-L cranes climb on a 24 HC 1000 tower system to save space.

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