Investigation of problem of unreasonable low cost of construction project;

On the reasonable low price of the construction market in one city;

Synthetical comparison of lowest price and reasonable low price in the application of greenization engineering bidding;

Application of information of construction works in evaluating the bid of reasonable low price winning the bid;

In order to achieve the reasonable low price, this paper establishes the system of evaluation index, confirms every evaluation index weight, thus rationality of quotation to whole project is quantized.

Is the construction project tender bid price-marks "the reasonable low price"? This has become the owner and the contractor extreme issue of concern.

After the 《Bid Law》put forward the principle of "low price in reason",many provinces and cities have tried different ways.

Bid method at reasonable lowest price in unfixed cost bidding is introduced,bases to judge the cost price are elaborated in detail method is studied to estimate the engineering cost in order to promote the research of method to win the bid at the lowest price and promote the development of bid invitation and submission for building engineering.

Do bid invitation management well by bid evaluation of rational low price;