EXPOSURE PROTECTION DEVICE FOR DECOMMISSION OF HEAVY WATER REACTOR FACILITY, AND METHOD FOR DECOMMISSIONING HEAVY WATER REACTOR FACILITY BY USING SAME

摘要

An exposure protection device for decommission of a heavy water reactor facility, according to one embodiment, comprises: a shield for covering the front and back surfaces of a calandria vault for accommodating a calandria therein; a plurality of radiation measuring devices installed on the shield; and a motion detector installed on the shield.