Page 110: of Offshore Engineer Magazine (May/Jun 2013)

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Vessels

The Pieter

All big fabrication yards in the UK ’s thrusters

Schelte and Norway will be able to take the and MAN Diesel barge, Heerema says. engines in trans-

However, some yards will need to port to the Daewoo make upgrades to take the work. shipyard last year.

“They need load spreaders and beams (for the weight of larger struc-

The topsides lift tures), they have to have big cranes system levers to take the structures all apart and during fabrication. they need to mobilize suffcient man- power to do all that work,” Heerema short tons) at the says. required outreach “Most have suffcient area; their of the cranes,” he question is mainly quayside strength. said. “Now they Some need to drive piles in the quay- says. “They are just odd projects, can consider whether they want to side area. not frequent, but they give us added lift bigger units in one, which gives “It does take some initiative on the work.” them savings on hook-up costs – side of fabrication yards, but the re-

Heerema says that because of the they can put together more of the sponse has been positive. They will capabilities of the vessel, oil and platform onshore before it goes fnd answers. We think with them, gas operators would also be able to offshore.” we try to come up with solutions consider single lift installation of The vessel’s capacity will also that are practical for them and for us platforms, meaning far less hook-up challenge the yards who could re- to skid from the cargo barge onto the work offshore. ceive the immense structures it will quayside in one movement.” “So far they have to design to handle. A 200m (656ft) long cargo Thanks to the extra work on Pieter the capacities of the largest semi- barge is being built to help transfer Schelte, the dismantling yards now submersible heavy lift vessels, which structures when the vessel cannot have until late 2014 or early 2015 to is about 11,000 tonnes (12,200 line up directly on the quayside. get ready.

OE | May 2013 oedigital.com 112

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