| BT project plays an important role in social infrastructure development and the governmental infrastructure administration capability improvement. Within the latest 10 years, Chinese government of all levels explore actively various BT contractual model. This article aimed to summarize systematically various kinds of BT Contractual model, which are BT model, Investment & Construction BT model, General BT Model, and other different BT models which was developed as per the project specialty and Clients ?characteristics.Under BT model, it has been a tendency that design firms open up the general contracting business via investment. During the phase of investing decision and project administration. The risk management is the difficult issue which BT contractors must face. The topic of this article is to discuss how the design firms make decision on investment and do risk management.The introduction of this article mainly introduced the study target, suggestion, and research status in China and other countries regarding the BT risk management. Chapter two introduced the goal setting, risk identification, risk analysis, evaluation, dispose and monitor of BT project. Chapter three take a sample of the incomprehensive BT project of a multifunction building complex Xi`an-Xianyang New Development Zone to discuss the risk identification. standing in the BT project contractors perspective,bring out a table of risk. Chapter four, Delphi Method was used to evaluate the risk, and Document retrieval was also used to draw out a Risk Decisive and Evaluative Model for the Incomprehensive BT Project Model of FSDI Multifunction Building Complex, and proceed the evaluation as per the model. Chapter Five conclude the risk prevention and supervision method to guide the project administration of incomprehensive BT project.The end of article is conclusion and forecasting for improving the level of awareness of risk management from theory to practice, and provide as reference to the similar project for evade and utilize risk. |