Kone is installing the first eight double decker lifts in Central Europe in Edge East Side Berlin. (Photo: © EDGE/Bloomimages)
December 2021
The lift group Kone will be installing 14 lifts and three escalators in the under construction Edge East Side Berlin building, whose main tenant is Amazon. These include the first eight double decker lifts in the German-speaking countries.
These special high performance lifts can transport twice as many users as conventional one-floor lifts, thanks to their two-floor cars. A "double decker" always stop at two storeys above each other, where the passengers can get in and out. "At the same time, less valuable building area is needed for the lift shafts," explained Erik Kahlert, managing director of Kone DACH (German-speaking countries).
The double decker lifts reach a speed of 6 m/s (21.6 km/h). Consequently, the maximum travel time – from the ground floor to the roof terrace on 36th floor - takes 20.6 seconds. The most powerful Kone motors are used here: the MX100, which can transport up to 52 people with its 134 kW output. This is four tons load-bearing capacity.
The new 136 m high office high rise on the Warschauer Brücke is being erected by project developer Edge. The building has about 65,000 m2 office space overall. The lowest three floors should be publicly accessible (lobby on the ground floor as well as the first and second floors).
Double decker lifts have been in use for over 130 years. For example, some of the oldest and most famous double decker lifts operate in the corner columns of the Eiffel Tower. Today, there are only a few providers which install double decker lifts, according to the group. Kone is one of them. It has installed these lifts in London’s Broadgate Tower (2009) and in the high rise "The Shard" (2013), likewise in London, for example.
Another speciality of the project is Kone’s JumpLift: a high performance construction lift, which had its German premiere in 2020 in the Frankfurt skyscraper ONE and which Kone is also deploying in Edge East Side.
Unlike a conventional construction lift, the JumpLift is not set up outside the building. Rather, it uses a lift shaft that is under construction to grow in height in tandem with the building.
The drive and control are to be found in a platform suspended above in the shaft, which by means of clever construction "jumps" several floors upwards at regular intervals. The drive rope and guide rails are correspondingly extended for this purpose, as the video shows.
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"The JumpLift allows the facades to be closed earlier and the floors completed sooner," explained Erik Kahlert from Kone. Once the building and shaft have attained their final height, the JumpLift is converted into a conventional passenger lift by replacing a few components: the floating platform with drive and control is demounted and the last section of the guide rails mounted in the shaft. The final lift is complete.
More information: kone.com
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