SHORTEN METHOD FOR SHIPBUILDING USING GAS DOME OF CARGO TANK

A method for shortening a ship dry air using a gas dome of cargo tank is provided to discharge easily scaffolding through an elevator after an inspection is finished by installing the elevator on the gas dome. A method for shortening a ship dry air using a gas dome of cargo tank includes the steps of: enlarging a diameter of a gas dome(20) having between 1,600 mm and 2,200 mm wherein the gas dome is installed at a cargo tank(10) of an LNG ship; installing an elevator(30) on the gas dome; forming a side opening before a cargo tank test; taking a used scaffolding to an outside using an elevator installed at the gas dome to form a side opening; and mounting a pump tower to start simultaneously an operation.