工程造价资料的积累指的是对工程项目及其各个环节中具有使用价值的工程投资估算、设计概算、施工图预算、竣工结算、未计价材料等资料收集和整理,它是工程造价基础工作的重要组成部分,也是工程造价从业人员加强工程造价管理所必备的条件。实践中,诸如投资估算、设计概算、施工 Project cost data accumulation refers to the project and its various links with valuable use of the project investment estimates, design estimates, construction drawings and budgets, completion and settlement, uncalled material and other information collection and collation, which is the basis of project cost An important part, but also engineering cost practitioners to strengthen project cost management necessary conditions. In practice, such as investment estimates, design estimates, construction