This equipment, a column type hydraulic jack-up system, is an equipment for vessel load-out such

as ultra large shell welding linking, water pressure test, movement between processes and product

shipping etc. The system is composed of column frame, hydraulic jack, hydraulic unit, hose reel and

control system etc. By organizing hydraulic jack on settings of 4 sets/group, 8 sets/2 groups, and

the like, and with safety device employed, the equipment is designed in a way that even if hose

cutting occurs, safety device prohibits jack from dropping. In addition, the equipment is designed so

that safety shall be ensured by adopting horizontal balance maintenance device, synchronization

system and level deviation configuring system.