Quality control by the contractor has several important economical objectives that directly influence the cost efficiency, profitability, and long-term sustainability of construction projects. One of the primary economical objectives is the reduction of rework and wastage. Poor quality workmanship, defective materials, or improper construction methods often lead to demolition, repair, or replacement of completed work. These activities consume additional labor, materials, equipment time, and overhead costs. By implementing effective quality control measures, the contractor ensures that work is done right the first time, thereby minimizing unnecessary expenditure and protecting profit margins. Another significant economical objective of quality control is optimal utilization of resources. Construction projects involve large investments in materials, manpower, machinery, and time. Quality control ensures that materials meet specified standards, are stored properly, and are used efficiently, reducing losses due to damage, spoilage, or incorrect usage. Similarly, trained