Quality Assurance and Quality Control Practices for Rehabilitation of Sewer and Water Mains (EPA/600/R-11/017) February 2011
As part of the US Environmental Protection Agency (EPA)’s Aging Water Infrastructure Research Program, several areas of research are being pursued, including a review of quality assurance and quality control (QA/QC) practices and acceptance testing during the installation of rehabilitation systems. The objectives of this research effort were to collect, analyze, and summarize information on the installation and QA/QC practices for the trenchless rehabilitation of sewer mains and water transmission mains. In addition, consideration was given to practices related to water service lines, sewer service laterals, force mains, siphons, sewer manholes, pumping stations, associated wet wells, and other appurtenances. This review was accomplished primarily by conducting interviews directly with rehabilitation technology vendors, design engineers, and water and wastewater utilities that have a track record of using trenchless rehabilitation technologies within their network. The report provides an overview of how QA/QC issues have been handled in North America for trenchless rehabilitation technologies.
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