广义的工程建设项目前期阶段主要分为项目规划方案的确定、项目建议书、可行性研究、初步设计及土地、环保等专业审查和评估、建设资金筹措等内容。狭义的工程建设项目前期阶段主要分为施工图设计阶段、工程量清单编制阶段、招投标阶段。无论从哪个方面定义,项目前期工作对工程整体的质量起到至关重要的作用。 The first phase of the general construction project is mainly divided into the identification of the project planning plan, project proposals, feasibility studies, preliminary design and land and environmental protection professional review and assessment, construction financing and so on. Narrow sense of the early stages of construction projects are mainly divided into the construction design phase diagram, engineering quantity list preparation stage, the bidding stage. Regardless of the definition from which aspect, the preliminary work of the project plays a crucial role in the overall quality of the project.