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SIZING REPLACEMENT INTERCEPTORS: BEYOND TEN STATES STANDARDS

机译:尺寸替代拦截器:超过十个州标准

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The sizing of larger sanitary sewer trunk lines and interceptors has been a vague practice. Using a typical peaking factor applied to a serviced population at an average dry weather flow (e.g., 10 States Standards) has been the traditional approach. This approach (assuming well-designed, specified, and installed pipe) is acceptable for new collection systems; but what about aging systems? What happens when the existing collection system contributes high amounts of clean water, either in the form of inflow or rainfall-induced infiltration? As the nation's sanitary sewer infrastructure continues to deteriorate, and as the miles of collector pipes and laterals increasingly leak, leading to sanitary sewer overflows (especially in the form of backups in residential homes), the sizing of replacement and relief trunk lines and interceptors has become increasingly important. How do we adequately convey the wastewater flow during wet-weather events without undersizing or oversizing the relief interceptor or unnecessarily increasing construction costs? A procedure to size replacement interceptors using flow monitoring data collected on existing interceptors in response to wet weather events can provide the answers.
机译:宽大的卫生下水道行李箱线和拦截器的尺寸是模糊的实践。使用典型的峰值因子在平均干燥天气流(例如,10个州标准)处于一种平均的干燥天气流动,是传统的方法。这种方法(假设设计良好的,指定和安装的管道)对于新的收集系统是可以接受的;但老化系统怎么样?当现有的收集系统有助于流入或降雨诱导的渗透的形式,当现有的收集系统有助于大量的清水时会发生什么?随着国家卫生下水道基础设施继续恶化,随着收集器管道和侧向越来越泄漏的,导致卫生下水道溢出(特别是以备用住宅的备用形式),更换和浮雕树干线和拦截器的尺寸具有变得越来越重要。我们如何在潮湿的天气事件期间充分发挥废水流,而不会透明或超大浮雕拦截器或不必要地增加施工成本?使用在现有拦截器上收集的流量监测数据响应于潮湿天气事件的流量监测数据来提供替代拦截器的过程可以提供答案。

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