They pioneered integral tank, submerged tank, and mobile linkspans under the direction of John Rose.
These semi-buoyant ship-to-shore bridges[1] minimise engineering infrastructure requirements and were originally designed a cheap and simple means of using ro-ro ferries in the Western Isles of Scotland, but later found wider applications.
[2] They no longer trade but their expertise was acquired in 2007 by TTS Marine, who are developing the design of tank linkspan further.
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