Key Responsibilities  Prepare detailed quantity take-offs and BOQs for mechanical MEP works.  Review drawings, specifications, and tender documents to identify project quantities and scope.  Prepare cost estimates, rate analysis, and material/labour calculations.  Coordinate with design, procurement, project execution, and planning teams.  Review shop drawings, design changes, and variations for commercial impact.  Prepare and evaluate variation claims, extra-item claims, and change orders.  Monitor project quantities against BOQ and identify quantity/cost deviations.  Maintain proper documentation of quantities, rates, BOQs, and commercial records.  Conduct quantity reconciliation for major materials and MEP installations.