Kalmar, part of Cargotec, has been commissioned by the Shanghai Zhenhua Heavy Industries Co. Ltd (ZPMC), to increase the operating height of four ship-to-shore (STS) cranes for APM Terminals Algeciras in southern Spain. The project has started in June this year, with the cranes returning to full operation in just four months, in October 2013.
The STS cranes, originally provided by ZPMC, will each have their height increased by 5.8 metres by Kalmar. This will provide APM Terminals considerable extra capacity to handle the new Triple-E vessels arriving at the port. The modifications will be undertaken by Kalmar's specialist crane services team located in Algeciras, Spain, who have developed innovative systems to handle this highly technical procedure.
The specialist technique involves the Kalmar team using a jacking system which lifts the crane by the required height. A heightening construction is then inserted below the gross girders. In order to maintain the integrity and rigidity of the structure the sill beam is strengthened through bracers which are installed in the waterside portal frame.
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