Education: No degree, certificate or diploma. Tasks: Prepare estimates of labour and/or material costs. 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 windows, doors, stairs, mouldings and hardware. Schedule and co-ordinate work on sites. Instruct apprentices. Employment terms options: Early morning. Evening. Experience: 1 year to less than 2 years.