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Description / Abstract:
This Standard applies to the construction, installation,
inspection, maintenance, and operation of jacks; power operated
cranes; crane runways; power operated and manually operated
derricks and hoists; power operated overhead hoists and their
runways; and slings.
This Standard does not apply to any crane, derrick, or hoist
having a maximum rated capacity of one ton or less, or to railway
or automobile wrecking cranes, skip hoists, hoist-like units used
for horizontal pulling only, mine hoists, conveyors, or to shovels,
drag line excavators or back hoes, or to equipment within the scope
of American National Standards Committee A92 Mobile Scaffolds,
Towers and Platforms. Within the above limitations this Standard
also shall be applied to cranes, derricks and hoists used on
construction work.
Purpose
This standard is designed (1) to guard against and minimize
injury to workers and otherwise provide for the protection of life,
limb, and property by prescribing minimum safety requirements, (2)
to provide direction to owners, employers, supervisors and others
concerned with, or responsible for, its application, and (3) to
guide governments and other regulatory bodies· in the development,
promulgation, and enforcement of appropriate safety directives.