The Frankfurt pumping service, 'The Pumas,' pumped 15,056 m³ of concrete within 68 hours in the second section of the huge bottom plate of the new Tower 185 in Frankfurt, using four large boom truck-mounted concrete pumps. A report on the project.

To accomplish the task, an M63-5, a machine with a 58-m boom and two M 52-5s, were set up on two sides of the pit. In the course of the concreting, the end hose of one of the two M 52s was extended with pipelines, which were connected to an easy-to-use, hydraulically controlled placing boom with a 20 m reach. The working range of this boom could be extended further, if necessary, through coupling with a mechanical rotary distributor RV 1

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