As Apprentice Carpenter, you will construct, erect, install, maintain and repair structures and components of structures made of wood, wood substitutes, lightweight steel, and other materials. Main duties: Perform some or all the following duties: Read and interpret blueprints, drawings, and sketches to determine specifications and calculate requirements. Prepare layouts in conformance to building codes, using measuring tools. Measure, cut, shape, assemble and join materials made of wood, wood substitutes, lightweight steel, and other materials. Build foundations, install floor beams, lay subflooring and erect walls and roof systems. Fit and install trim items, such as doors, stairs, molding and hardware. Maintain, repair and renovate residences and wooden structures in mills, mines, hospitals, industrial plants and other establishments. Supervise apprentices and other construction workers. May prepare cost estimates for clients.