Maintenance Planning, Maintenance Scheduling, Operations readiness planning, Operations turnaround coordinating, Operations Turnaround Preparation, Site operating procedure development, Turnaround common process, Turnaround Planning, Turnaround pre-start-up assurance, Turnaround Scheduling, Turnaround scoping, Work Packaging . The Shop Maintenance Supervisor is responsible for overseeing and managing the operation and shop personnel with the objectives of managing equipment repairs, maintain parts inventory, and providing power plants with supplies and parts by performing the following duties: Key accountabilities .