First concrete gravity unit installed in South China Sea

The 91,000-tonne Malampaya concrete gravity substructure (CGS) was recently installed off Palawan Island in the Philippines. Click here to enlarge imageIt is the first such installation in the South China Sea, according to Brown & Root Energy Services (BRES), which was contracted by the operator Shell Philippines Exploration BV (SPEX) to design, procure, install, and commission the gas production platform (Fig. 1).The CGS is 112-m long and 83-m across. It has a 16-m caisson height. Four 11-m diameter shafts extend 40 m from the top of the caisson roof.BRES says some 32,000 cu m of concrete, 12,000 tonnes of reinforcing steel, and 750 tonnes of prestressed steel strands were used in its c...

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