Project name: Limetree Bay installation Location: Caribbean Sea, circa. 2km off the coast of St. Croix, USVI Client: Imodco Terminals, a subsidiary of SBM Offshore Work scope: • Design and engineering applicable to the pile installation • Pile handling, mobilisation, and offshore execution • Grouting elements • Survey work THE PROBLEM Imodco Terminals were contracted to install a catenary anchor leg mooring (CALM) buoy to facilitate the reliable transfer of products from very large crude carriers to an onshore facility. For the CALM buoy to hold position, seven anchor piles needed to be drilled and grouted into the seabed. During the engineering phase, options, including driven piles and drill and grouted piles, were considered. Typically, reverse circulation drilling takes place

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