WATCHING THE WORLD ESTUARY RIG MOVES HIT BRISK PACE

With David Knott from London Offshore platform construction and installation rely heavily on techniques developed for civil engineering. Construction of a second bridge across U.K.'s River Sevem estuary by Laing GTM shows technology transfer the other way. A fleet of small jack up rigs is installing 36 caissons on which the bridge will rest. Crane rigs place hollow steel-reinforced concrete caissons on the riverbed. Then rigs that are little more than concrete mixers on stilts fill the

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