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在水电工程建设中,砂石骨料用量较大,是影响工程总投资的主要因素之一。1988年《水利水电工程概预算编制手册》出版后,对砂石骨料成本的计算范围、成本的包含内容及成本的计算方法和工序系数均作了统一的划分和规定。这些规定只是包括从毛料开采到混凝土拌和楼前骨料仓或成品料场上所发生的工艺流程费,即骨料的生产预算成本。而能源水规(1989)971号文关于试行《水利水电工程设计概(估)算费用构成
In hydropower project construction, the amount of aggregate used is larger, which is one of the main factors that affect the total investment in the project. After the publication of the “Handbook for the Preparation of Water Conservancy and Hydropower Projects Budget” in 1988, a unified division and regulation were made on the calculation range of sand and aggregate costs, the contents of cost and the calculation methods and process coefficients. These rules only cover the cost of the process flow from the production of wool to the aggregate bunker or finished material yard in front of the concrete mixing plant, which is the estimated production cost of the aggregates. The Energy Water Regulation (1989) No. 971 on the trial of "water conservancy and hydropower project design estimates (estimated) count the composition