Disclosed is an apparatus for monitoring a building status achieved during building a cavity frame such as an internal freight warehouse of a cargo. The apparatus for monitoring a building status of a cavity frame includes a portable computer, a central host computer, and an indoor global positioning system. The portable computer remotely accesses the central host computer and downloads information on a work schedule, and the central host computer receives information on problems during works from the portable computer. The indoor global positioning system remotely accesses the central host computer to transmit positional information of a working robot in the cavity frame. The central host computer then transmits, to the working robot, an instruction to perform a corresponding work at a position of the working robot.
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