ASME B30.29-2012

Volume B30.29 includes provisions that apply to the construction, operation, inspection, testing, and maintenance of powered self-erect tower cranes that adjust operating radius by means of a trolley traversing a jib. These may be horizontal, elevated, articulating, or telescoping, and used for vertical lifting and lowering of freely suspended, unguided loads that consist of equipment and materials.

Self-erect tower cranes have vertical or nearly vertical masts that are bottom slewing and mounted on fixed, traveling, or mobile bases. The cranes are capable of moving or being moved from jobsite to jobsite fully assembled or nearly fully assembled.

This Volume does not apply to cranes used for nonvertical lifting service or lifting a guided load, or to truckmounted material delivery cranes with a tubular boom and trolley traversing the boom. Tower cranes (refer to ASME B30.3) and mobile crane tower attachments (refer