Discussion the fixed quota pricing and detailed list pricing;

Similarities and differences between engineering bill pricing and fixed quota pricing;

Measures to prompt the transformation from fixed quota pricing to engineering bill pricing mode;

This paper defined the concepts of quota valuation and a valuation inventory with amount of works and explained the difference between them through extensive practice.

For valuation with bill quantities is at the preliminary stage which the fundamental research and the practice unify,quota valuation and valuation with bill quantities coexist.

Expounds the basic concepts and characteristics of quota valuation mode and list valuation mode for the engineering amount of the construction project.

Compared the stint cost with the bill of quantity cost,this article formulizes the thought of raddling the budget and budget estimation.

It illustrates the influence of quotation valuation on the early implementing stage of the valuation of bills of quantity,discusses the problems existing in the valuation of bills of quantity from integrity and efficiency,and summarizes the method and ways to solve problems,so as to realize better control to project cost.

It makes a survey of bills of quantity valuation,introduces the basic constitution of project cost using bills of quantity valuation, analyses the main differences between bills of quantity and quotation valuation,illustrates the meaning of using bills of quantity valuation,and concludes the work all parties should do when implementing the specifications.

Then the author comparatively analyzed advantage and disadvantage of BOQ valuation model, also pointed out difference between norm valuation model and BOQ valuation model.