An American National Standard. The American Society of Mechanical Engineers (ASME). Revision of ASME B30.2-2001. Date of Issuance: December 30, 2005. 45p. Volume B30.2 includes provisions that apply to the construction, installation, operation, inspection, and maintenance of hand-operated and power-driven overhead and gantry cranes that have a top-running singlegirder or multiple-girder bridge, with one or more toprunning trolley hoists used for vertical lifting and lowering of freely suspended, unguided loads consisting of equipment and materials (see Figs. 1 through 5). The requirements included in this Volume also apply to cranes having the same fundamental characteristics such as cantilever gantry cranes, semi-gantry cranes, and wall cranes.