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Published: 21 November 2012
Durban receives twin hoist cranes
Transnet has received the first three of seven twin hoist ("tandem lift") cranes ordered from ZPMC for Durban Container Terminal
|Photo: Roy Reed|
After a slight delay in the approaches due to adverse weather, ZHEN HUA 27 has delivered to Durban Container Terminal, (DCT) the first three twin hoist ("tandem lift") cranes to be deployed by a port operator anywhere in the southern hemisphere. Another four are due for delivery to DCT early in 2013.
The seven cranes - also the first ZPMC STS cranes in South Africa - represent an investment of R700M (€61.5M/US$78.6M). Their procurement was one of Transnet Port Terminals (TPT)' "top 10" investment priorities under Transnet's market demand strategy (MDS). Under the MDS, R33B of capital projects are allocated to TPT over the next seven years. The cranes will be supported locally by Elgin Marine Services, selected by ZPMC as its required (under all Transnet tenders) as its CSDP ("Competitive Supplier Development Plan") partner.
The cranes have a 24-wide outreach (Triple E + 1) and an SWL of 80t, and can handle 2 x 40ft laden or up to 4 x 20ft empties when deployed in tandem lifting mode.They have a single trolley covering the whole ship-to-shore cycle. Up to now the only user of such cranes outside China has been DP World, Jebel Ali.
However, as reported in the November 2012 edition of WorldCargo News, for its T3, Jebel Ali project, DP World has now opted for a completely different approach to tandem lifting, using a splitabble headblock that can be equipped with one or two spreaders on the hoist of the waterside trolley, with an intermediate platform and a landside hoist fitted with a "conventional" headblock. DP World London Gateway is understood to be adopting the identical system.
DP World Rotterdam Gateway (Maasvlakte II) is adopting a similar system, although the splittable headblock design and spreader(s) on the waterside hoist are from a different supplier, while APM Terminals Maasvlakte II has opted for a "conventional" headblock with a tandem spreader on the waterside hoist.
Meanwhile, a new twin hoist concept has emerged. Both Long Beach Container Terminal (for Middle Harbor) and CTB Hamburg have opted for a new design with a waterside trolley equipped with a twin hoist that hands over via an intermediate (de)coning platform to a single hoist under a landside trolley.