初步设计为报送主管部门审批的文件。主要是根据批准的计划任务书,拟定修建原则,选定设计方案,确定主要工程数量,提供必要的文字说明、图表资料并编制施工方案和设计概算。批准后的初步设计是列入基建计划、加工订货、调拔材料和机具,征用土地,进行施工准备,编制施工图以及控制建设项目投资的依据。当前,国家强调搞好基本 The preliminary design is submitted to the competent department for examination and approval of the document. Mainly in accordance with the approved plan and mandate, to develop the principles of construction, design selection, determine the number of major projects, provide the necessary text, charts and materials and preparation of construction plans and design estimates. The preliminary design after approval is the basis for listing infrastructure plans, processing orders, transferring materials and machinery, requisitioning land, preparing for construction, constructing construction plans and controlling investment in construction projects. At present, the state emphasizes basic improvement