tower crane definition

tower crane means a boom or jib crane mounted on a tower structure;
tower crane means a crane in which a boom, swinging jib, or other structural member is mounted on a vertical mast or tower.
tower crane means a powered jib or boom crane mounted on a tower structure that is demountable or permanent, and includes both horizontal and luffing jib types;

More Definitions of tower crane

tower crane means a travelling, fixed or climbing mechanical device or structure that has,
tower crane means a crane that is mounted on a tower and that can rotate about the axis of the tower.
tower crane means a crane which has a vertical or near-vertical tower designed to be free-standing up to a specified height.
tower crane means any fixed jib, hammerhead, luffing
tower crane means a tower crane as defined in Part 3;
tower crane means Equipment that is temporarily erected on site and used for controlling the lifting, lowering and positioning of large, heavy or complex structures and includes all rigging and ancillary equipment.
tower crane means a crane equipped with a boom mounted on a tower.