<![CDATA[This study analyzes the comparative construction costs of Building B at Universitas Terbuka, South Tangerang, based on changes in construction prices during the 2024–2026 period. The increasing variation in construction material prices and labor costs requires an evaluation of cost estimates to ensure accuracy and reliability in project budgeting. This research employed a descriptive quantitative method using secondary data, including the Bill of Quantities (BOQ), Detailed Engineering Design (DED), Technical Specifications (RKS), and Unit Price Analysis (AHSP) based on the Mayor of South Tangerang Regulations applicable for each year. The analysis focused on preliminary and structural works because these components represent the main contributors to the total construction cost. Based on the 2024 project data, the initial total cost of the structure of Building B at Universitas Terbuka was Rp91,784,683,449.13. After recalculation using the applicable unit price standards, the estimated costs increased to Rp116,844,402,168.21 in 2024, Rp135,894,331,891.19 in 2025, and Rp161,569,728,764.70 in 2026. The results indicate that fluctuations in unit prices significantly influence total construction costs. Therefore, periodic updating of price data is essential to improve the accuracy of cost estimation and support more effective construction cost management.]]>
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