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首页> 外文期刊>Journal of Infrastructure Systems >Time and Cost Saving Strategies for Water Pipe Lining Operations
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Time and Cost Saving Strategies for Water Pipe Lining Operations

机译：水管衬里操作的时间和成本节省策略

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摘要

Repair and maintenance of existing distribution lines is an increasing concern for water utilities. While pipe lining activities are effective and generally less expensive than complete replacement, they still represent considerable time and expense. This study provides guidance on the best practices to minimize the amount of time that customers are without water service, must endure restricted service, or are served by less secure networks due to pipe lining activities. Nine utilities provided benchmarking data to identify efficient operations. Statistical analysis indicates that minor changes to task sequencing and materials may improve efficiencies by several hours to several days. However, in order to obtain a rapid lining operation, utilities must promote extensive changes to pipe lining philosophy and to the disinfectant approach. While a rapid disinfectant approach (less than 24 h) is not typically adopted by United States utilities, preliminary testing indicates that addressing the newly lined pipe with "main break" disinfection procedures can achieve satisfactory results at a significantly reduced time.
机译：现有供水管线的维修和保养是自来水公司日益关注的问题。尽管衬里活动有效且通常比完全更换便宜，但它们仍代表了大量的时间和费用。这项研究为最佳实践提供了指导，以最大程度地减少客户因没有水服务，必须忍受受限服务或由于衬管活动而由不太安全的网络所服务的时间。九家公用事业公司提供了基准数据来识别有效的运营。统计分析表明，对任务排序和材料进行细微更改可以将效率提高几小时到几天。但是，为了获得快速的衬里操作，公用事业必须促进对衬里理念和消毒方法的广泛改变。尽管美国公用事业公司通常不采用快速消毒方法（少于24小时），但初步测试表明，采用“主断点”消毒程序对新衬的管道进行处理可以在显着减少的时间内获得令人满意的结果。

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