1, Project RC subcon supervisor 2, Manage a group of RC workers' daily activities 3, Supervise concreting works 4, supervise formwork works 5, supervise rebar works 6, Manage on site safety works 7, Coordination with Main Contractor for the subcontract works 8, Attend on site inspection 9, Budget control on site 10, Make sure the project is on schedule, with good quality, etc.