Patent ID: 6301841
Filing Date: 2001-10-16
Classification: E04H

Abstract:
Method for erecting a mast comprising mast elements placed one on top of another, comprising the following steps:arranging a lifting device adjacent the location where an emergency mast is to be placed, said lifting device comprising at least one mast element from which at least two guide frames extend;arranging a first mast element close of the lifting device;raising the first mast element by means of the lifting device to a height such that an additional mast element can be placed under the first mast element;placing the additional mast element under the first mast element and connecting said additional mast element to the first mast element situated thereabove;raising the thus obtained combination of mast elements by means of the lifting device to a height such that a further additional mast element can be placed under the combination of said first and additional mast elements;repeating the latter two steps until the mast has reached the required height, and removing the lifting device from said location adjacent the emergency mast.