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首页> 外文会议>American Society of Civil Engineers(ASCE) International Conference on Pipeline Engineering and Construction v.2; 20030713-20030716; Baltimore,MD; US >Designing a 72-inch Water Line on an Accelerated Schedule
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Designing a 72-inch Water Line on an Accelerated Schedule

机译：按计划设计72英寸输水管线

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In May of 2000 the City of Houston implemented the Accelerated Surface Water Transmission Program (ASWTP), a $140 million program consisting of 24 water line projects ranging in diameter from 84-inches to 30-inches. These projects are on an accelerated schedule and are to be complete and in service by May 31, 2003. One of the final ASWTP projects to be designed and constructed is approximately 9,000 linear feet of proposed 72-inch water line. Due to size and construction constraints, limited routes were available for consideration. Ultimately the route selected runs along a variety of land use areas including an established industrial area, a high volume traffic corridor, and residential areas each with their own construction issues, which had to be addressed during the design. This project begins in an industrial area, approximately 4,500 linear feet of the project is along a road heavily traveled by eighteen-wheelers. The next 1,500 linear feet of water line is located in a commercial area with high volumes of traffic. The project terminates in a residential area. Approximately 2,000 linear feet of water line construction will be in front of residential homes. Maintaining local access for residents and business owners as well as minimizing the impact to the general public were critical design issues. Existing utilities in the area created design complications. The impact the construction of the 72-inch water line would have on the surrounding infrastructure was a concern. Due to age and deteriorated condition, the rehabilitation of an existing 48-inch sanitary sewer along the route was incorporated into the water line project. Significant roadway improvements were also included in the project where construction would impact the majority of the roadway. Finally coordination with private utilities was paramount. A portion of a 12-inch high-pressure gas line and approximately 1,500 linear feet of a major Southwestern Bell Telephone conduit had to be relocated before construction of the 72-inch waterline could begin. To facilitate the relocation of the private utilities a 12-inch water line was relocated utilizing the City of Houston's On-call Contractor. Because of the accelerated schedule, construction time is approximately 100 days shorter than what would normally be allotted. The design of the 72-inch water line had to account for these concerns in addition to normal construction constraints associated with a large diameter water line. Through aggressive management, coordination, and support from City personnel, the design of the 72-inch water line was completed, allowing the City of Houston to move forward, meeting current and future water demands.
机译：2000年5月，休斯敦市实施了加速地表水传输计划（ASWTP），该计划耗资1.4亿美元，包括24个直径从84英寸到30英寸不等的输水管道项目。这些项目正在加速进行中，将于2003年5月31日之前完成并投入使用。ASWTP最终设计和建造的项目之一是拟议的72英寸输水管线约9,000线性英尺。由于规模和施工限制，有限的路线可供考虑。最终，选择的路线会沿着各种土地使用区域运行，包括已建立的工业区，高流量的交通走廊和住宅区，每个住宅区都有自己的建筑问题，这在设计时必须加以解决。该项目开始于一个工业领域，该项目沿18个车轮行驶的道路密集，大约4,500线性英尺。接下来的1,500线性英尺的输水线位于商业量大的商业区。该项目终止于居民区。住宅房屋前约有2,000线性英尺的供水线建设。维护居民和企业主在本地的访问权以及最大程度地减少对公众的影响是关键的设计问题。该地区现有的公用事业造成了设计复杂性。令人担忧的是72英寸输水管线的建设会对周围基础设施产生影响。由于老化和状况恶化，沿线现有的48英寸卫生下水道的修复已纳入供水管线项目。该项目还包括对道路的重大改进，其中施工将影响大部分道路。最后，与私人公司的协调至关重要。在开始建造72英寸水线之前，必须重新安置12英寸高压气管线的一部分和西南贝尔的主要电话管道的大约1,500线性英尺。为了方便私人公用事业公司的搬迁，利用休斯敦市的随叫随到的承包商搬迁了一条12英寸的供水管线。由于进度加快，施工时间比通常分配的时间短约100天。 72英寸水管的设计除了要考虑到与大直径水管相关的正常施工限制外，还必须考虑这些问题。通过市政府人员的积极管理，协调和支持，完成了72英寸水管的设计，使休斯敦市可以向前发展，满足当前和将来的水需求。

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