[학위논문]공공공사의 표준품셈과 실적공사비 적산방식의 비교연구 및 활성화방안 (A) Comparative Study on Standard Estimating System and Historical Cost Data Estimating System for Public Ordering Construction and Suggestion for Vitalizing Historical Cost Data Estimating System원문보기
This study aims to discuss the problem of current construction cost estimation. It is currently estimated based on standard estimating system. However, this study asserts the necessity of cost estimation based on historical cost data rather than standard estimating system. The further purpose of thi...
This study aims to discuss the problem of current construction cost estimation. It is currently estimated based on standard estimating system. However, this study asserts the necessity of cost estimation based on historical cost data rather than standard estimating system. The further purpose of this study is to estimate optimum construction cost, improve quality of construction and avoid faulty construction by adopting historical cost data for public ordering construction. The study employed following methods. It compared standard estimating system and historical cost data in public ordering construction and analyzed both of them. Moreover, the study showed the current situation and problem of public ordering construction. It also suggested alternative estimating system using construction historical data. In addition, it showed the weakness of the current estimating system through comparing two systems and revealing problems from a case of a construction for flood repairing work in the second half of 2006. (1) This study showed that estimating system based on historical cost data are only applied to the small number of construction work section. Research based on literature review revealed the gap between the cost by standard estimating system and market estimating cost. Considering that construction cost data from a bill of quantities is used to determine the standard of the estimated cost, systemic and standard categorizing method for construction work section are necessary. Therefore, this study searched and categorized those related data and materials. Then, it suggested further study on more sophisticated categorization of the civil construction (2) The estimated cost from standard estimating system for public ordering construction has been pumped up. This is the reason why a clear bill of quantities is becoming important in estimating construction cost based on historical data. To get an accurate cost in a bill of quantities, it is necessary to make unified standard method of measurement in selecting items, data-producing method by item and works included in unit cost. In addition, the fluctuation in labor cost and equipment prices in construction is needed to be shared and categorized as reliable data. (3) To vitalize cost estimating system based on historical cost data, it is essential to build a system to collect, accumulate and use a good quality of data including kinds, size and technical feature of constructions. Furthermore, this study suggested a fair and transparent competition between construction companies in the market mechanism and estimating unit cost by work section spent in construction. Construction companies can make a bid for constructions in better conditions when it is performed. We suggest that historical data in construction practice after completion of construction is applied to accumulate historical cost data. As a result, this study suggests that continuous study, systemic and technological development on historical cost data estimating system in construction. In addition, it is important to build a system including training for employees in construction estimating department, data for construction work section which is vulnerable to unit cost fluctuation. Further, it is also important to systemize method for construction work section that people can directly use it in construction site.
This study aims to discuss the problem of current construction cost estimation. It is currently estimated based on standard estimating system. However, this study asserts the necessity of cost estimation based on historical cost data rather than standard estimating system. The further purpose of this study is to estimate optimum construction cost, improve quality of construction and avoid faulty construction by adopting historical cost data for public ordering construction. The study employed following methods. It compared standard estimating system and historical cost data in public ordering construction and analyzed both of them. Moreover, the study showed the current situation and problem of public ordering construction. It also suggested alternative estimating system using construction historical data. In addition, it showed the weakness of the current estimating system through comparing two systems and revealing problems from a case of a construction for flood repairing work in the second half of 2006. (1) This study showed that estimating system based on historical cost data are only applied to the small number of construction work section. Research based on literature review revealed the gap between the cost by standard estimating system and market estimating cost. Considering that construction cost data from a bill of quantities is used to determine the standard of the estimated cost, systemic and standard categorizing method for construction work section are necessary. Therefore, this study searched and categorized those related data and materials. Then, it suggested further study on more sophisticated categorization of the civil construction (2) The estimated cost from standard estimating system for public ordering construction has been pumped up. This is the reason why a clear bill of quantities is becoming important in estimating construction cost based on historical data. To get an accurate cost in a bill of quantities, it is necessary to make unified standard method of measurement in selecting items, data-producing method by item and works included in unit cost. In addition, the fluctuation in labor cost and equipment prices in construction is needed to be shared and categorized as reliable data. (3) To vitalize cost estimating system based on historical cost data, it is essential to build a system to collect, accumulate and use a good quality of data including kinds, size and technical feature of constructions. Furthermore, this study suggested a fair and transparent competition between construction companies in the market mechanism and estimating unit cost by work section spent in construction. Construction companies can make a bid for constructions in better conditions when it is performed. We suggest that historical data in construction practice after completion of construction is applied to accumulate historical cost data. As a result, this study suggests that continuous study, systemic and technological development on historical cost data estimating system in construction. In addition, it is important to build a system including training for employees in construction estimating department, data for construction work section which is vulnerable to unit cost fluctuation. Further, it is also important to systemize method for construction work section that people can directly use it in construction site.
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