Abstract：
Quoted risk is object and losses, bidder must correctly assess quoted risk if he hopes to manage project successfully. The article has built unit price risk assessment model, quantified subproject risk losses, gotten quoted risk cost and risk ratio. According to the importance of risk factors, we can find the critical risk control point and date back to subproject existed risk. At last the article exemplified risk assessment model with an engineering bidder in Hangzhou, which determined risk ratio by project character and bidder’s actual strength.
