Brown & Root Industrial Services - - Responsibilities: Locates and marks reference points for columns or plates on foundation, using master straight edge, squares, transit and measuring tape and applying knowledge of geometry.; Attaches rigging or signals crane operator to lift components to specified position.; Aligns structures or plates sections to assemble boiler frame, tanks or vats using plumb bobs, levels, wedges, dogs or turnbuckles.; Bolts or arc-welds structures and sections together.; Installs manholes, handholds, valves, gauges and feed water connection in drums to complete assembly of water tube boilers.