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B30.22 applies to the construction, installation, operation, inspection, and maintenance of cranes with knuckle booms articulated by hydraulic cylinders, which are powered by internal combustion engines or electric motors and are mounted on a mobile chassis or stationary installation. Articulating cranes with load hoist mechanisms are covered by this volume. Some basic machine types within this scope are convertible for excavating work and other uses not considered to be lifting service. The Requirements of this volume are applicable only to such machines when used as lifting cranes. The following units are exempt from this volume: - Maximum related capacity of 2,000 lb or less; - Booms constructed of nonconductive type materials; - Equipped with or designed primarily for personnel baskets, platforms, ladders, etc.; - When equipped with non lifting attachments; - Forestry and logging applications; - Telescoping boom cranes that do not articulate (covered under B30.5) - and scrap and material handlers as defined in ASME B30.25.


  • Publisher: ASME
  • Publish Date: 2010
  • Pages: 48
  • Language: English
  • ISBN: 9780791833216

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