Project pre-feasibility analysis, a crucial part of bridge and tunnel preparatory work construction, often becomes a controlling factor of a project.
工程预可行性分析是桥梁和隧道建设前期工作的重点组成部分，往往成为项目立项的控制性因素。
2
The site selection, prospecting, environmental protection and other preparatory work for the construction of the Nyingchi Airport has been completed, and the project will be launched this year.
林芝机场的选址、地勘、环保等前期工作已经完成，计划今年正式开工建设。
3
Abstract: construction project cost management includes cost management of project preparatory work, of construction process and of engineer settlement.