ASME B30.17:2003 pdf free download

ASME B30.17:2003 pdf free download.OVERHEAD ANDGANTRY CRANES(TOP RUNNING BRIDGE, SINGLE GIRDER,UNDERHUNG HOIST).
qualified person: a person who, by possession of a recognized degree in an applicable field or certificate of professional standing or by extensive knowledge, training, and experience, has successfully demonstrated the ability to solve or resolve problems relating to the subject matter and work.
rail sweep: a device attached to the crane and located in front of the crane’s leading wheels to push aside kxse obstructions.
rope: refers to wire rope unless otherwise specified.
runway: an assembly of rails, beams, girders, brackets, and framework on which the crane travels.
service platform: a means provided for workers to perform maintenance, inspections, adjustments, and repairs of cranes.
shall: use 0 this word indicates that a rule is mandatory and must be followed.
should: use of this word indicates that a rule is a recommendation, the advisability of which depends on the facts in each situation.
side pull: the component of the hoist pull acting horizontally when the hoist lines are not operated vertically.
sills: horizontal structural members that connect the lower ends of two or more legs of a gantry crane on one runway.
span: the horizontal distance, center to center, between runway rails.
slop: a device to limit travel of a trolley or crane bridge. This device normally is attached to a fixed structure and normally does not have energy absorbing ability.
switch (valve: a device for making, breaking, or changing the connections in an electric, hydraulic, or pneumatic circuit.
switch, cmcr’encv stop: a manually actuated switch to disconnect power independently of the regular operating controls.
switch, limit: a device that is actuated by the motion of a part of a power-driven machine or equipment to alter or disconnect the electric, hydraulic, or pneumatic circuit associated with the machine or equipment.
trolley (carrier): the unit that travels on the bottom flange of the bridge girder and carries the hoist.
trollew trarrl: the trolley movement in directions at right angles to the crane runway.
unattended: a condition in which the operator of a crane is not at the operating control devices. On a floor-opera ted crane, however, if the operating control devices are within sight of the operator and within a distance equal to the span of the crane, the crane should be considered attended.