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南水北调东、中线一期工程是一项建设区域分布广、建设期跨度长的大型水利工程建设项目。批复初设概算时的价格水平年和工程建设期投资实际下达年度不同,原批复概算不再能够准确的反应工程造价情况,为了保证工程的顺利施工,并且保障工程建设单位和施工单位的合理利益,需要对工程进行补差工作。文章首先从测算的分类、范围及基期三个价差测算的基础内容进行了阐述;重点介绍了价格因子权数的相关内容,分别介绍了价格因子权数的划分、变值权数项目选择、价格因子、价格及价格指数的采集;最后以建筑工程的公式为例,介绍了公式的具体系数取值。文章系统全面地分析了南水北调工程价差测算的相关问题和解决方法,对其他水利水电工程调差也有借鉴意义。
The first phase of the South-to-North Water Diversion Project is a large-scale water conservancy construction project with a wide distribution area and a long construction period. In approving the initial estimate, the price level year will be different from the actual release year of the project construction period. The original approval agreement can no longer accurately reflect the project cost. In order to ensure the smooth construction of the project and guarantee the reasonable interests of the project construction unit and construction unit , Need to make up for the project work. The article first elaborates the basic content of the three spreads based on the classification, the range and the base period of the calculation. It mainly introduces the related content of the price factor weight, introduces the division of the price factor weight, the choice of variable weight item, the price Factor, price and price index; Finally, taking the formula of building engineering as an example, the concrete coefficient of the formula is introduced. The article systematically analyzes the problems and solutions of the spread estimation of South-to-North Water Diversion Project, which is also of reference to the adjustment of other water conservancy and hydropower projects.