ASME B30.4-2010 Portal and Pedestal Cranes. Safety Standard for Cableways, Cranes, Derricks, Hoists, Hooks, Jacks, and Slings

An American National Standard. The American Society of Mechanical Engineers (ASME). Revision of ASME B30.4-2003. Date of Issuance: April 19, 2010. 44 р. This Standard includes provisions that apply to the construction, installation, operation, inspection, and maintenance of electric motor or internal-combustion engine-powered portal and pedestal cranes that adjust operating radius by means of a boom luffing mechanism or by means of a trolley traversing a horizontal boom, that may be mounted on a fixed or traveling base, and to any variation thereof that retain the same fundamental characteristics