other reference format , it is also necessary to provide the engineering inventory , Bidding asa reference document of the ponents. Construction units in the tender document for the project inventory , in accordance with state or local rules promulgated by the calculation that the reunification of the divided projects , unified measurement units and the reunification of the engineering calculation rules , according to design drawings tobe calculated and statistical arranged , obtain the list. Quantities tobe followed in the preparation of an objective , impartial , scientific , and rational principle. Compilers must have strong manly budget , and should have certain knowledge of the engineering design and construction experience , and the material and mechanical construction technology for