RIGGER

You will direct the operation of cranes and similar equipment and direct laborers and helpers. You will fabricate, install, and repair standing and running rigging and wire cable or fiber rope articles, such as slings, towing bridles, nets, rope ladders, and other ship and boat rigging and weight handling gear. You will assist in ship docking operations by laying out and handling lines and tackle, snubbing lines on cleats or bollards, hauling on lines with capstans, and performing similar duties. You will install beam clamps, gin poles, gallows frames, and other supporting structures; and use jacks, pulley blocks, chain falls, rollers, and similar equipment as necessary to move and position heavy items. You will perform and direct the placement, removal, or re-positioning of machinery, structural members of ships or buildings, heavy equipment, or other loads. You will estimate the size, weight, equipment capacity, and plans for clearance and safety factors. You will guide and direct ap