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bidding. Shorten the Bidding Period Avoid Duplication of Work The bill of quantities tender return to play a role of pretender estimate of existing quantity, avoid the tenderee, adopted, bidders repeat budget, save a lot of people, material, content, shortening the time of bidding at the same time, improve the efficacy, the negative effects caused by the error of the service, reasonable and fair accurately, to facilitate practical. Unified Price According to the Standard Bidding Behavior of Fair Competition The bill of quantities bidding, to avoid the fraud in the project bidding, manipulation and other illegal behavior, is conducive to the cultivation of clean government and purify the construction market environment, regulating the behavior of bidding, and caused due to the disunity of quantities on the price of error, is measured on bid the price level and its rationality of the enterprise, is advantageous to the correct evaluation. In Line with International Practice Contract on international contracted projects often have a general contract, unit price, cost plus fee contract and turnkey contract to wait for a few kinds. Total price is usually the same contract by bidders pete to determine the total project, the owner and contractor in accordance with the fixed settlement construction cost, not because of quantities, the equipment, materials prices, wages and other changes to adjust the contract price, its disadvantage is often due to the contractor to bear the risk of quantity and unit price of double. In bidding for a project, the unit price contract is a contract unit, the partial engineering quantities listed according to the tender documents to determine the cost of each division subdivisional work contract types. 3 For the Requirements of the Bill of Quantities Bill of quantities provided by the tenderer in the tender documents, as a basis for the contractor39。s tender offer, especially in the unit price contract to, want to use strictly according to the breakdown of quantities given in the bill of quantities calculation unit price multiplied by the summary of quantities for the total price. Project list is stipulated in the contract should implement all of the engineering project and content according to the project site, properties such as listed in a series of tables, each table in both engineering parts and the parts need to be on the implementation of each project, and each item of quantities and valuation of requirements, as well as the price for each project and each 外文翻譯 7 table bined meter, etc. In the bill of quantities of quantities are estimated and provisional, only do bidding quotation. The purpose of the bill of quantities is: for bidders to bid, for the bidder provides a mon basis of petitive bidding。 Used for the settlement in the process of project implementation。 Add new projects in the engineering change or claim processing, can choose or reference in the bill of quantities unit price to determine the unit price and the price of the new project. When prepare the bill of quantities so attention should be paid to separate different level requirement is obtained。 Will the same properti