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Holistic Sewer Rehabilitation — Measures of Effectiveness

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The objective of this paper is to provide an introduction to methods of evaluating effectiveness of efforts to reduce Rainfall Derived Infiltration and Inflow (RDII) and present results of several recent rehabilitation projects. The explanation of methods is intended as a primer for those who are preparing for or considering the evaluation of flow data for rehab effectiveness. Methods discussed range from basic hydrograph reviews, to storm data evaluation and the use of controls. being rehab programs or are considering… practical engineering applications… and their complications. Results from 7 rehab projects and phases are presented with peak RDII reduction ranging from 14% to 61% and RDII volume reductions ranging from 42% to 70%.

Keywords: Collection Sewer; Consent Decree; Consent Order; Inflow and Infiltration; RDII; Rainfall Derived Infiltration; Rehabilitation; Rehabilitation Effectiveness; Sanitary Sewer

Document Type: Research Article


Publication date: January 1, 2011

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  • Proceedings of the Water Environment Federation is an archive of papers published in the proceedings of the annual Water Environment Federation® Technical Exhibition and Conference (WEFTEC® ) and specialty conferences held since the year 2000. These proceedings are not peer reviewed.

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