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工程项目决策、设计阶段的基本特征是智力和技术的双重性,其工作质量对建成后的使用功能、寿命和维修费用都有深远的影响。统计资料表明:决策、设计阶段投入极少,其产出对工程造价的影响约为75%～95%,因此该阶段的造价控制对于降低工程成本,合理使用建设资金具有决定性的意义,是有效控制工程造价的关键阶段。
Engineering project decision-making, the basic characteristics of the design phase is the duality of intelligence and technology, the quality of their work after the completion of the use of functions, life and maintenance costs have a profound impact. Statistics show that the investment in decision-making and design stage is very small, and the impact of output on construction cost is about 75% -95%. Therefore, the cost control at this stage is of decisive significance for reducing construction costs and using construction funds reasonably, which is effective Control the key stage of project cost.