Marking A Price During Our Country Project Winning Bid Lower Than The Cost Appearance Administration

"The law on bidding in the people's republic of china" was published in 2000.It provides that there are two kinds of method for bidding: comprehensive assessing method and the lowest price method; forthemore, it explicitly points out; the bidder can't bid by the price under the cost. The lowest price method will response to the essential requirements in the document and take the lowest price after assessing as one, which makes clear in law that the lowest price method begins to access to the general methods in the world .But there are many questions in practice. The article penetrately analizes the questions. It thinks that it plays an important role in the present project assessing if the qualitative judgement price is under the cost. As the same time, it lacks judgement for choosing the potentional bidds. Meanwhile, because of the short history that our country complements the bidding system of construction, the whole procession management steps of the system constructing is weaker and lacks of binding force to both sides of the construction.Firstly the article sets forth the questions of the lowest price method application in our countryIt also deeply analizes the reasons from many aspects—how to confirm the cost bidding, demands for the lowest price method itself ,system,style and qualificating examination.Secondly, taking the indefinition of construction and installing cost as the target, the article researches into the indefinition of direct expense, including the expenses of manpower, material and woking machine. Because construction and installing cost is the main part of the project cost, the indefinition of indirection expenses and revenue can be conduded by the indefinition of direction expenses.At last it summarves that the project cost isn't definitive on the basts of that, the article talks about the kinds of indefinition of project cost. Indefinition is random. Because of the random of the cost, the cost obeys to centain probability distribution. We can build up reasonable and norm cost index system by building up the mathematic model to judge of the bidding price is under the cost, confim judgement measures to judge and analize quantitatively the probality weather the bidding price is under the cost and decide if it is winning bid.At last, Against the problem of the lowest price method application in our country, the article put forward to macroscopic and microcosmic the management system that is the management system taken by the government and the management measures by the bidder.