The ASME NOG-1 standard, "Rules for Construction of Overhead and Gantry Cranes", covers top running cranes for nuclear facilities; with the ASME NUM-1 standard, "Rules for Construction of Cranes, Monorails, and Hoists", covering the single girder, underhung, wall and jib cranes, as well as the monorails and hoists. These two ASME nuclear crane standards provide criteria for designing, inspecting and testing overhead handling equipment with enhanced safety to meet the "defense-in-depth" approach of the United States Nuclear Regulatory Commission (USNRC) documents NUREG 0554 and NUREG 0612.
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