Haz-Map: Occupational Exposure to Hazardous Agents

Related Information in Haz-Map
Industry Name	Structural Steel and Precast Concrete Contractors
Description	This industry comprises establishments primarily engaged in: (1) erecting and assembling structural parts made from steel or precast concrete (e.g., steel beams, structural steel components, and similar products of precast concrete); and/or (2) assembling and installing other steel construction products (e.g., steel rods, bars, rebar, mesh, and cages) to reinforce poured-in-place concrete. The work performed may include new work, additions, alterations, maintenance, and repairs.
Category	Construction
NAICS Code	238120
Job Tasks	High risk job tasks associated with this industry: Braze using cadmium-based solder Gas or arc weld on galvanized metal Heat or machine manganese alloys Installed insulation before 1975 Machine or weld on cadmium-alloyed or cadmium-plated steel Remove insulation installed before 1975 Spray epoxy or polyurethane paint, shellac, lacquer, or varnish Use acrylamide for grouting (sewers, mining, and tunnel construction) Use epoxy, isocyanate, or formaldehyde-resin adhesives, finishes, or sealants Use manganese-containing welding rods Use polyfunctional aziridine hardener in paints, varnishes, or other coatings Weld mild steel