![]() ![]() The crane operator’s cab is typically accessed by climbing the tower crane mast. The boom section extending from the top of the crane is known as the jib section.Ĭoncrete slabs are typically used as counterweights to balance the crane. The main tower sections extending upward are primarily referred to as the mast sections by the crane industry.Ī slewing bearing ring is located at the crane enabling the crane to rotate 360 degrees The concrete pad ensures the tower crane's stability.įor the largest of tower cranes, the pad may be up to 30' by 30' and 4' deep with a pad weight up to 400, 000 lb. Then the base of the crane is bolted down with massive bolts and the base of the tower crane is secured to the concrete pad. To erect a hammerhead, flat top, luffing jib tower crane, a heavy concrete pad is laid for the base of the crane. ![]() There are key parts to making a tower crane fully operationally. Tower cranes are erected and tower crane operators lift concrete, steel beams, and building materials from the ground to heights sometimes higher than 100 stories. Tower Cranes range from small mobile self-erecting tower cranes up to large fixed-based hammerhead tower cranes that are used for large-scale industrial projects. ![]()
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