#Billing & Estimation - Prepare and verify contractor and subcontractor bills based on work completion, BOQ, and project estimates. #BBS Preparation - Develop and review Bar Bending Schedules (BBS) for accurate reinforcement calculations and execution. #Quantity Calculation - Perform quantity surveying, material reconciliation, and cost estimation for various construction activities. #Measurement & Verification - Verify site measurements, assess work progress, and ensure accurate billing as per project drawings. #Rate Analysis & Costing - Conduct rate analysis, validate cost estimates, and ensure compliance with contract terms.