scope:

Volume B30.4 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.

This volume applies only to portal and pedestal cranes utilizing a drum and wire rope for hoisting and that are used for hoisting work. The requirements for tower cranes (refer to ASME B30.3), telescopic boom cranes, twin boom container handling cranes, and knucklebroom cranes are not included in this volume.

intended Use:

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