Education: Secondary (high) school graduation certificate. Tasks: Clean and maintain pipe units and fittings and flush system. Measure, cut, thread and bend pipes to required shape and size. Remove and replace worn components and reactivate system. Select type and size of pipe required. Test system for leaks using testing equipment. Read and interpret blueprints, maps, drawings and specifications. Supervision: 3-4 people. Personal suitability: Accurate. Client focus. Judgement. Team player. Experience: 1 year to less than 2 years.