Education: Secondary (high) school graduation certificate. Tasks: Supervise other workers. Schedule and co-ordinate work on sites. Estimate costs and materials. Prepare estimates of labour and/or material costs. Measure, cut, shape, assemble and join materials made of wood, wood substitutes, lightweight steel and other materials. Read blueprints, drawings and sketches to determine work requirements. Work conditions and physical capabilities: Physically demanding. Handling heavy loads. Bending, crouching, kneeling. Experience: 7 months to less than 1 year. Employment terms options: Morning. Day. Green job: Involves duties and responsibilities that lead to positive environmental outcomes.