A crane is a long-term investment and terminal operators want the comfort of “future proofing.” Cranes of up to 65 tonne SWL, 22-wide outreach and 40m lift height above rail have become almost standard for terminals that want to be able to handle the largest ships in the future.
A more recent trend is towards higher capacity cranes that offer the potential to handle two laden 40fts, or even four laden 20fts, at once - so called “tandem” or “twin 40” lifting. As previously reported, tandem lifting was initially tested by Maersk at Algeciras with a purpose-built, Bromma double fixed 40ft spreader design, but the first purpose-built, twin 40 cranes were ordered for Jebel Ali by Dubai Ports Authority (DPA) from ZPMC last year....
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This complete item is approximately 4800 words in length, and appeared in the July 2004 issue of WorldCargo News, on page 22.
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