-Review engineering designs, technical drawings, and specifications to identify potential quality issues and recommend improvements.-Conduct regular audits and inspections of mechanical installations to ensure adherence to quality standards and regulatory requirements.-Collaborate with project managers, engineers, and subcontractors to address QA concerns and resolve quality-related issues in a timely manner.-Establish QC inspection plans and checklists for mechanical components and systems, including HVAC, plumbing, fire protection, and ventilation.-Perform on-site inspections and tests to verify the quality and performance of mechanical installations and equipment.-Document and report non-conformities, deviations, and deficiencies, and coordinate corrective actions.