In 2018, a building contractor, a landlord and a manufacturer joined forces to build and restore the Überseequartier in Hamburg. The companies included Züblin, Feurig and Liebherr. The company is an integral part of the HafenCity urban development project, which has been described as “cosmopolitan and urban – a place like no other,” says Unibail-Rodamco-Westfield.

The aim of the district project is to combine living and working spaces with leisure facilities, retail opportunities and entertainment options. To carry out the plan, the planning committee designed a state-of-the-art cruise terminal.

Liebherr’s contribution to the complex project is 25 high-revolving tower cranes and their tower crane solutions – a combination that enables seamless collaboration.

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How it started

The Überseequartier district project began in 2018 with planning and strategic decisions. One of these preparations was the choice to equip the entire site with just one manufacturer.

The project committee decided on Liebherr machines from Feurig, a Hamburg-based rental company that can deliver over 200 rental cranes to meet the logistical requirements.

The project began with 15 well-trained service technicians for assembly and service work, 14 different building types and a crane concept with high-revolving tower cranes. The construction project consisted of office towers, residential buildings, a cinema, an elaborate shopping center and the cruise terminal.

Modification of the original crane concept

The original crane concept placed a crane for each individual building, but this became a logistical challenge due to the limited space. In all cases it is recommended that cranes be kept a certain distance from each other to avoid a crane collision and a collision with buildings in the immediate vicinity.

This problem was promoted by Liebherr tower crane solutions, which identified the need for additional cranes, an average of one and a half cranes per building. In addition, the selected cranes were varied in size with hook heights of around 30 meters to over 90 meters.

The crane types included were the 85 EC-B, 172 EC-B and 280 EC-H models. In the end, all 25 Liebherr cranes were instructed to work on the construction of the new Überseequartier at the same time – a plan that was analyzed by Liebherr’s Tower Crane Solutions prior to the Liebherr project.

The cranes are assembled

The first crane was assembled on site at the beginning of 2019, followed by 24 more cranes in simultaneous operation. This collaboration was monitored from start to finish by Liebherrs Tower Crane Solutions, a system that provides analysis, advice and support throughout the project from start to finish.

The project encountered a predicament that prevented the crane height from escalating. In this situation, a neighboring chimney had to be lengthened by almost two meters and scaffolding was required for the restoration.

Tower Crane Solutions analyzed the situation and quickly came to an answer – shortening the JIB of the crane – which avoids all problems and allows the project to proceed without project downtime.

Project background for the Überseequartier district

The HafenCity urban development project is an ongoing program in Europe that aims to support urban planning, sustainable development such as the creation of renewable energies and the protection of new and old infrastructure from natural disasters.

HafenCity documented planning and construction work up to the beginning of 2000 The part of the Überseequartier district that is part of the urban project is estimated at over a billion dollars and covers 419,000 square meters. A project that is expected to be completed in the second half of 2023.

Information from Liebherr Cranes and published by Chantal Zimmermann.