Traditional modes of subsea excavation - sleds, plows or crews of divers - are used to install pipelines or to decommission storm-damaged production facilities. They can be cumbersome and time-consuming. A new method of excavation provides similar results 10 times as fast. With the widespread presence of infrastructure in the Gulf of Mexico, excavation projects can be complex. Traditional excavation systems include plows - common to Europe - and sleds, which are used in the Gulf and other offshore regions. Diving crews equipped with vacuum equipment are also used for shallower projects. Rotech Subsea has used its alternative "T" system in the Gulf of Mexico and other regions throughout the world. The contact-free design of the tool has shown improvements for major excavation projects both in new developments, such as pipelines, and in decommissioning submerged equipment in storm reclamation projects.
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