SENSITIVITY ANALYSIS OF CONSTRUCTION COSTS IN DASHT ZEHAB WATER CONVEYANCE TUNNEL

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SAYADI AHMAD REZA; GOSHTASBI K.; HEMATI SHAABANI A.; AMIRI ROUDBARI A.R.

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Seminar Paper

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Seminar: SYMPOSIUM OF EARTH SCIENCES
Year:2006 | Issue:24

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Title

SENSITIVITY ANALYSIS OF CONSTRUCTION COSTS IN DASHT ZEHAB WATER CONVEYANCE TUNNEL

Author(s)

SAYADI AHMAD REZA | GOSHTASBI K. | HEMATI SHAABANI A. | AMIRI ROUDBARI A.R.

Keywords

COST ANALYSIS

SENSITIVITY ANALYSIS

DOUBLE SHIELD TBM

DASHT ZEHAB TUNNEL

Abstract

The DASHT ZEHAB TUNNEL with 48 kilometers in length is one of the water conveyance projects in western part of the country. In order to excavate the second part of the tunnel having a length of 25.741 km, feasibility studies were carried out and the DOUBLE SHIELD TBM excavating method was chosen. The total cost of the project is 855.5 billion Rls, which is to be spent in a four year time period. The distribution of the share of activities and different cost items with regard to total project cost are the main factors in management and control projects. With regard to uncertainty of data utilized in cost estimation, SENSITIVITY ANALYSIS of expected values with respect to critical variables is essential. In this research study, estimation and analysis of costs of DASHT ZEHAB TUNNEL were carried out. Sensitivity of the total cost of the project with respect to effective variables was also analyzed. The investigation shows that 65% and 35% of the total construction costs belong to excavation and lining activity, respectively. The SENSITIVITY ANALYSIS of costs shows that the inflation rate, construction time and Euro exchange rate (critical variables) have the biggest effect.

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APA: Copy

SAYADI, AHMAD REZA, GOSHTASBI, K., HEMATI SHAABANI, A., & AMIRI ROUDBARI, A.R.. (2006). SENSITIVITY ANALYSIS OF CONSTRUCTION COSTS IN DASHT ZEHAB WATER CONVEYANCE TUNNEL. SYMPOSIUM OF EARTH SCIENCES. SID. https://sid.ir/paper/902955/en

Vancouver: Copy

SAYADI AHMAD REZA, GOSHTASBI K., HEMATI SHAABANI A., AMIRI ROUDBARI A.R.. SENSITIVITY ANALYSIS OF CONSTRUCTION COSTS IN DASHT ZEHAB WATER CONVEYANCE TUNNEL. 2006. Available from: https://sid.ir/paper/902955/en

IEEE: Copy

AHMAD REZA SAYADI, K. GOSHTASBI, A. HEMATI SHAABANI, and A.R. AMIRI ROUDBARI, “SENSITIVITY ANALYSIS OF CONSTRUCTION COSTS IN DASHT ZEHAB WATER CONVEYANCE TUNNEL,” presented at the SYMPOSIUM OF EARTH SCIENCES. 2006, [Online]. Available: https://sid.ir/paper/902955/en

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