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Volume :36 Issue : 2 2009      Add To Cart                                                                    Download

Cost analysis for deep excavation in Taipei City

Auther : JUEI-HSING TSAI*, SHUHGI CHERN** AND SAN-SHYAN LIN***

Department of Harbor and River Engineering, National Taiwan Ocean University, Keelung, Taiwan *E-mail: stonetsai@gmail.com.

**E-mail:sgchern@mail.ntou.edu.tw ***E-mail:sslin@mail.ntou.edu.tw.

 

ABSTRACT

 

This paper explores Taiwans construction industry in terms of its property environment as well as its profit making capabilities. Taiwans construction industries are generally low in capital and they face problems like expensive raw materials and low profit margins. Under such circumstances and increased competition within the construction industry, coupled with a decline in the number of such employees, there is a need to build a costing model for deep excavation projects. Thirty-four case studies from Taipei urban areas deep excavation projects were analyzed, statistical and performance analyses were done on each case studys execution budget. Based on the results of these two analyses, it was found that total budget and total floor area have very high correlations with budgets of management, structural construction, and finish work. The relationship between total budget and budgets of management, structural construction, and finish work and the relationship between total floor area and budgets of management, structural construction, and finish work are developed through regression analyses. Based on these regression models, the total budget and total floor area can be estimated easily once the budgets of management, structural construction, and finish work are known.

 

Keywords: Cost optimization model; total budget; total floor area; deep excavation; regression analysis.

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