PROBLEM TO BE SOLVED: To solve the problems in which stable work cannot be executed since a manipulator with high strength is required and the whole work device becomes large in a case where a rail track to be laid has relatively large weight, and in which the rail laying work cannot be executed smoothly since a space required for the operation of the manipulator cannot be secured in a case where a space around the place where the rail is installed is limited, in a place where it is difficult to enter such as a high radiation dose environment in a nuclear power plant.SOLUTION: A remote rail track laying device comprises a rail track component installation vehicle 3 which is installed at the tip of a laid rail track 2 and a rail track component transportation vehicle 4 which travels on the laid rail track and transports a new rail track component 5. The rail track component installation vehicle comprises: a rail track component holding member 19 which holds the rail track component transferred from the rail track component transportation vehicle; a horizontal movement mechanism 16 which is provided on the upper part of the rail track component holding member and horizontally moves the rail track component; and a vertical movement mechanism 30 which is provided on the inner surface of the rail track component holding member and vertically moves the rail track component.
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