Platform installation tool

Abstract

The invention relates to a platform installation tool for handling an internal monopile platform. and an external monopile platform with respect to a nmnopile on which they are installed, wherein the platform installation tool comprises: a base frame defining an internal storage chamber, and. having' a landing' device for engaging‘ a top side of the monopile, wherein the base frame is dimensioned for holding the external monopile platform at the outside thereof and for holding the internal monopile platform inside the internal storage chamber, a rotating frame that is connected to the base frame via a rotation bearing and a rotation drive for rotating the rotating frame with respect to the base frame, and a hoisting device on the rotating frame comprising an external monopile platform hoist and an internal monopile platform hoist for hoisting in suspension respectively the external monopile platform and the internal monopile platform.