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Utilizing Condition Assessment Data in Pipeline Replacement and Reinvestment Planning

机译:利用管道更换和再投资规划中的条件评估数据

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Water, sewer and storm pipeline systems are a major capital investment and utilities must ensure they are properly maintained if they are to perform as desired. Pipelines can account for the largest percentage of capital investment and a significant portion of the operating cost investment. Due to their typically long life cycle and expensive renovation costs, proper planning for pipeline reinvestment can improve the financial health of a utility and provide for effective continuous service. Various methods have been proposed to evaluate reinvestment needs for pipeline assets including general rules of thumh supplemented by experience, survival functions, and condition matrices. Pipeline deterioration can be a result of damage caused by adjacent construction activities, weather, ground movement, vandalism and normal wear and tear. Regardless of the reason for pipeline deterioration, a sound condition assessment program can identify pipeline assets that require repair or replacement. In order to fully leverage condition assessment data, it is important that the projection of reinvestment consider the data collected from inspection. In this way new pipe that is "acting" old and old pipe that is "acting" new can be properly evaluated as to the financial requirement to maintain the pipe in good working order. This paper discusses various aspects of reinvestment planning and the use of condition assessment data in a utilities reinvestment program.
机译:水,下水道和风暴管道系统是一个主要的资本投资,如果根据需要执行,则必须确保它们得到适当的维护。管道可以占资本投资的最大比例和营运成本投资的重要部分。由于其典型的寿命周期和昂贵的改造成本,对管道再投资的适当规划可以改善效用的金融健康,并提供有效的连续服务。已经提出了各种方法来评估管道资产的再投资需求,包括通过经验,生存函数和条件矩阵补充了粗阈的一般规则。管道恶化可能是相邻施工活动,天气,地面运动,故意破坏和正常磨损造成的损坏的结果。无论管道恶化的原因如何,声音条件评估计划都可以识别需要维修或更换的管道资产。为了充分利用条件评估数据,重新投资的投影非常重要地考虑从检查中收集的数据。通过这种方式,“代理”旧管道的新管道可以正确地评估以良好的工作顺序维护管道的财务要求。本文讨论了再投资计划的各个方面以及在公用事业再投资计划中使用条件评估数据。

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