"Integrated Survey Engineering" key to South Hook LNG terminal project.
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The LNG terminal is being constructed on the site of the former Esso oil refinery, itself built in the late 1950's and finally de-commissioned in the late 1980's. Its geographical advantages and history of handling large vessels made it an ideal choice for the docking of LNG tankers and storage and regassification of LNG.
In November 2004 the Belgian construction group Besix was awarded the contract for the marine works necessary to refurbish the original jetty and make it suitable to receive LNG carriers. The refurbishment would include the 1km jetty approach, access trestle to two berths, the demolition and rebuild of Berths 1 and 2, the demolition of Berth 4 and the making safe of Berths 3 and 5. The project would be carried out as a joint venture with Kier Construction.
As a matter of course marine construction work throws up a whole range of safety issues including gusting winds, high tides and having to work at height over water whilst wearing life jackets. On top of this, the Besix-Kier JV team had to contend with a number of environmental issues including sub-marine specimens on the seabed, a protected ‘red maerl' coral bed and a location within the Pembrokeshire Coast National Park boundary. Any work would have to be carried out without polluting the marine environment. All these factors combined to make achieving a cost effective and accurate survey a major challenge.
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