Study On The Contract Management With Bills Of Quantities

Bill of Quantities, as a international assessing value method has been widely used for more than a few hundred years. From July 1, 2003, our country began to use this method. However, until now, we are still in a period of transferring from the conventional ration value to the Bill of Quantities and it also a transition period of traditional model to a market model. Under these conditions, a few of contract texts and management measures which are compatible with Bill of Quantities are not perfect.Based on analyzing contract structure of Bill of Quantities and comparing the domestic and foreign contract texts , this paper pointed out some aspects of domestic contract versions which are not adaptability to Bill of Quantities, and recommended improvement suggestion. Meanwhile, the paper studied advantages and disadvantages of the domestic and foreign bidding method of Bill of Quantities, and the scope of application. Based on operations research theory, the paper established unbalanced bid price the mathematical model and gave a example to illustrate. It pointed out different contract price adjustment conditions of domestic and international, comparatively studied domestic and international pricing claims and the use scope of mathematical models, established the project contract negotiations mathematical model by the multi -attribute utility function theory, verified a contract evaluation model by fuzzy theory. In this paper, I also pointed out the importance of project guarantee and the issuance system corresponding for Bill of Quantities, researched risk and risk measure of contract.