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Atlanta's SSES Integrated Sewer Rehabilitation Selection Process'

机译:亚特兰大的SSES和综合下水道康复选择过程'

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Paper One noted, along with several other requirements, that the FACD includes a task to evaluate and rehabilitate the City of Atlanta's sanitary system. This paper -^sPaper Two - provides an overview of the City's approach to Sewer System Evaluation Surveys (SSES) and the Rehabilitation Selection process within the terms of the consent decrees. The mission of the SSES and Rehabilitation Selection Task is to establish a comprehensive and accurate inventory of the assets of the City's wastewater system; to identify sources of inflow and infiltration within the system and to perform a condition assessment of wastewater system assets, incorporating sewers, manholes and laterals. The City's wastewater system has been conveniently split into six sewer groups for the purposes of demarcating areas of the City to be studied over the 14 years period of the FACD. With the findings from this study an appropriate prioritized list is scheduled of sewers, manholes and laterals identified for remedial action. This procedure will be repeated for each of the six sewer groups in turn with the intention of implementing the work in a timely, low impact and cost effective manner. Reporting requirements include the submission of a report to EPA/EPD at the conclusion of each of the six SSES studies. Although not a prerequisite of the FACD nevertheless a decision was taken by the City of Atlanta at the time the consent decrees were signed in 1999, that in order to address the widespread problem of spills - which, as outlined in Paper One, amounts to over 550 SSOs (unpermitted discharges and spills to dry land) annually - that the entire public sewer system would be targeted for evaluation, i.e., 100% internal sewer condition assessment and 100% internal manhole condition assessment.
机译:纸张一个人指出,以及其他一些要求,CACD包括评估和恢复亚特兰大市卫生系统的任务。本文 - ^ Spaper二 - 概述了该市对下水道系统评估调查(SSE)的方法以及同意书法条款内的康复选择过程。 SSE和康复选择任务的使命是建立全面准确的城市废水系统资产库存;识别系统内流入和渗透的来源,并对废水系统资产进行条件评估,包括下水道,人孔和侧板。该市的废水系统方便地分成六个下水道组,以便在第14年的投影期间划定城市的划定区域。随着这项研究的调查结果适当的优先列表,计划的下水道,人孔和侧面被确定为补救措施。该过程将依次重复六个下水道组中的每一个,以便及时实施工作,低影响和成本效益。报告要求包括在六个SSES研究中的每一个的结论时向EPA / EPD提交报告。虽然这不是FacD的先决条件,但是在1999年签署了同意法令时,亚特兰大市采取了决定,以解决溢出的普遍问题 - 如纸上的概述,其中一笔款项每年550个SSO(未被释放和泄漏到干燥的土地) - 即整个公共下水系统将针对评估,即100%内部下水道条件评估和100%内部人孔条件评估。

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