Existing valuation method of highway construction works tendering is based on bill of quantity. It is the same as national standard Code of valuation with bill quantity of construction work.

Have summed up architectural design project administration relevance theory, control method, index and valuation standard.

The contingent valuation method (CVM) is one of the most dominating and standard techniques for eliciting the willingness to pay (WTP) for the ecosystem services provided by environment and resources.