The Preliminary Cost Of Railway Construction Projects To Determine And Control Research

Railway is very important in the social and economic activities. With the rapid development of Chinese railway construction, the investment is becoming larger. And the shortage of construction fund becomes the main problem in Chinese railway development. Effective determination and control of cost of railway construction projects brings to the attention. The preliminary stage of railway construction projects has obvious effect for the investment control, so it's urgent to study the stage to control the investment effectively.In this paper, on the basis of the system of Chinese railway construction, Investment estimate in the preliminary stage of railway construction projects is studied with the theory and method of determination and control of project construction cost applied. The method and basic data of investment estimate are investigated, and the estimate flow is put forward. And then, the method and measure of project construction cost control in preliminary stage is put up according to the features of cost control in the preliminary stage of railway construction projects.Firstly, the method and basis of cost determination of railway construction projects is analyzed on the basis of the summary of the construction process and cost determination process of railway construction projects. In view of existing situation, the emphasis of cost control is the research of investment estimate, i.e. the acquirement of basic data and the improvement of method of investment estimate.Secondly, the existing method of investment estimate is induced and summarized, uncertainty analysis and risk analysis are introduced, and the computation model is established. The new flow of project investment estimate is put forward, and it guarantees the standardization and precise of investment estimate.Finally, during the stage of cost control of railway construction projects, in the light of the theory of project construction cost control, the value engineering optimization, quota design and life cycle cost analysis are applied to guarantee the realization of cost control goals of railway construction projects in the preliminary stage.