大型水利工程工期较长,往往需要编制追加概算增加投资,以确保工程顺利完成。为简化追加概算的编制和审查工作,合理控制投资的增加,经总结,研究出一套编制办法,以利工作。 Large-scale water conservancy projects longer duration, often need to prepare additional estimates to increase investment to ensure the successful completion of the project. In order to simplify the preparation and review of additional budget estimates and to rationally control the increase in investment, a set of preparation methods were worked out to facilitate the work.