Historical
ASME B30.18-2004
Stacker Cranes (Top or Under Running Bridge, Multiple Girder with Top or Under Running Trolley Hoist)
Applies to the construction, installation, operation, inspection, and maintenance of hand-powered and power-driven overhead and gantry cranes that have a top-running or under-running multiple girder bridge with a vertically guided carriage, with or without a top-running or under-running trolley.
American Society of Mechanical Engineers [asme]