Abstract: The present disclosure relates to a stabbing system for installing an offshore jacket structure and an installation method for installing an offshore jacket structure using the same.

Abstract: The present disclosure relates to a non-contact type pile cutting apparatus using a waterjet, particularly to a pile cutting apparatus entering the inside for cutting a pile including: a body that has a pipe form and is put into an inside of the pile; a gripper unit that is provided at an outer side of the body and fixes the body to the pile when the pile cutting apparatus has reached a cutting position of the pile; a waterjet unit that is provided at one side of the body and fixed by the gripper unit, and then sprays an abrasive mixture in which an abrasive and a fluid are mixed, toward the pile in a high pressure; a rotation unit that rotates the waterjet unit around a central axis of the body; a feed line that feeds the abrasive mixture in which the fluid and the abrasive of a set ratio are mixed, to the waterjet unit from the outside; a feed unit that controls a feed pressure of the abrasive mixture fed through the feed line; and a nozzle driving unit that controls a position of the waterjet unit.