MARINE STRUCTURE HAVING A COFFERDAM FOR A TURRET

摘要

PURPOSE: A marine structure with a coffer dam is provided to safely separate turret from surround space in hull since a coffer dam is installed around the turret to form a space. CONSTITUTION: A marine structure comprises turret(16) and a coffer dam. The turret passes from the upper deck to the floor of hull(1) of the marine structure. The coffer dam is installed around the turret to separate the turret from surrounding space. A fuel tank is installed in the surrounding space. A machine room is installed in the surrounding space.