Bisso Salvages Liftboat
Bisso Marine Co., Inc. on Tuesday reported that it has salvaged a 200 class liftboat that sank earlier this year in the Gulf of Mexico approximately 45 miles offshore.
While on the bottom, the liftboat rested on its starboard side perpendicular to the seafloor and settled to approximately 15 feet below natural bottom. The 700-ton capacity D/B Cappy Bisso was used to lift the 670-ton liftboat from a water depth of 110 feet. Prior to its arrival, the D/B Boaz was utilized to remove the upper leg sections and pre-rig the liftboat with three custom-designed 500-ton capacity toggles.
Once the weight of the liftboat was safely supported by the Cappy Bisso, divers cut the lower leg sections below the hull and the Cappy Bisso lifted the liftboat to the surface where it was refloated. The liftboat and its components were delivered to a shipyard for repair.
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