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首页> 外文会议>Pipeline Division Specialty Conference; 20050821-24; Houston,TX(US) >The NTMWD Frisco-McKinney Pipeline Project
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The NTMWD Frisco-McKinney Pipeline Project

机译：NTMWD Frisco-McKinney管道项目

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The North Texas Municipal Water District (NTMWD) is a wholesale supplier that supplies treated water to one million people in four counties on the northern and eastern boundaries of the Dallas/Fort Worth metroplex. The communities of McKinney, Frisco, Little Elm and Prosper are in the NTMWD's north sub-system. The growth rate for these communities has skyrocketed in recent years necessitating an expansion of the treated water delivery system. The Frisco-McKinney Pipeline is an $18 million project currently under construction that will provide water to these communities. The pipeline project includes four miles of 60" (152 cm) and nine miles of 48" (122 cm) pipe to serve six new delivery points in the NTMWD system. The pipeline project was divided into three contracts to condense the construction schedule. Polyurethane coated steel pipe was the low bid alternative for the 60" pipe while bar-wrapped pipe was low for the 48" pipeline sections. The paper presents several problems and lessons learned encountered during the design and construction phase of the project, including the following: 1. Pro's and con's of locating the pipeline route in the ROW of a developing thoroughfare versus a private easement, 2. Writing polyurethane coating specifications that produce a better end product for your client 3. Design considerations for steel pipe 4. Weighing the costs and benefits of sub-surface utility engineering, and 5. Considerations for tunnel design.
机译：北德克萨斯市政水区（NTMWD）是一家批发供应商，向达拉斯/沃思堡大都会北部和东部边界的四个县的100万人供应经过处理的水。麦金尼，弗里斯科，Little Elm和Prosper的社区位于NTMWD的北部子系统中。近年来，这些社区的增长率猛增，因此必须扩大处理后的输水系统。 Frisco-McKinney管道是一个耗资1800万美元的项目，目前正在建设中，该项目将为这些社区供水。该管道项目包括4英里长60英寸（152厘米）和9英里长48英寸（122厘米）的管道，为NTMWD系统中的六个新输送点提供服务。该管道项目分为三个合同以缩短施工进度。涂聚氨酯的钢管是60“管的低标价替代品，而缠绕管在48”管道段中的标价低。本文介绍了在项目的设计和施工阶段遇到的一些问题和经验教训，包括以下内容：1.在开发中的通道与私人地役权的ROW中定位管线的优点和缺点； 2.涂聚氨酯涂料为您的客户提供更好最终产品的规格3.钢管的设计考虑因素4.权衡地下公用工程的成本和收益，以及5.隧道设计的考虑因素。

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