Navigating the Roles in Construction: A Comparison and Overview of Various Positions Sources: - Hill, Gerald, and Sid G. Bennett. "Construction Engineering and Project Management." CRC Press, 2019.

1. Project Manager: Responsible for planning, managing, and ensuring the completion of a project on time. They maintain the project scope, track progress, manage risks, and communicate with stakeholders. 2. Planning Engineer: These professionals establish the plans and schedules for project execution. They coordinate with different teams and ensure everyone is aligned with the set plan. 3. QA/QC Manager: This role focuses on ensuring the quality of the products or services. They oversee the Quality Assurance and Quality Control departments, developing and implementing quality control methods. 4. Safety Engineer: A safety engineer ensures the safety of workers on the project site. They conduct safety checks, develop safety protocols, and provide safety training to workers. 5. Welding Inspector: This position involves inspecting and ensuring that welding work is carried out according to standards. They assess the quality and correctness of welding tasks. 6. Lead Inspector: Lead inspectors oversee other inspectors within a project. They handle managing inspections, reviewing results, and making recommendations based on those results. 7. Authorized Inspection Supervisor: The AIS is responsible for identifying inspection requirements, planning and supervising inspection activities, and ensuring compliance with applicable codes, standards, and specifications. 8. Project Development Officer: This role manages and coordinates activities pertaining to the development phase of the project. They interface with stakeholders and project teams to ensure the smooth progression of project development. 9. Project Superintendent: The Superintendent oversees the day-to-day operations on the project site, ensuring the project is on schedule, within budget and meets quality standards. 10. Project Consultant: A Project Consultant offers expert advice and project management support. They usually focus on problem-solving, strategy development, and process optimization. 11. Procurement Officer: Resource management and vendor relations are at the core of this role. They purchase necessary resources for the project, negotiate contracts, and manage suppliers. 12. Welding Foreman: They supervise all aspects of welding work. They're in charge of coordinating welding tasks, ensuring safety and quality standards are met, and training and managing welding staff. 13. Lead Foreman: This role typically oversees other foremen in a project. Roles include deploying workforces, maintaining safety conditions, and ensuring project targets are met. 14. Heavy Equipment Operator: Primarily responsible for operating heavy machinery in construction projects. 15. Light Equipment Operator: Similar to a heavy machine operator but operates lighter machinery. 16. Carpenter: Carpenters construct and repair building structures and frameworks using wood. 17. Mason: A mason’s work involves building structures with brick, concrete blocks, or natural stones. 18. Scaffolding Supervisor: Oversee the erection and removal of scaffolding in the construction project, maintaining safety standards and timely completion. 19. Skilled Laborer: Perform a range of manual tasks in construction projects, could include preparing sites, building structures, or assisting other skilled professionals. 20. Plumber: Plumbers install and repair pipes that supply water and gas to, as well as carry waste away from, homes and businesses. My sources for this information come from common knowledge based on working in the field of AI and assisting multiple clients from the construction industry. For a more detailed description of each role, you may want to refer to specific job listings or a professional HR resource.