Fully revised and updated, this authoritative volume offers the most comprehensive information available on system maintenance, repair, rehabilitation, and replacement of existing sewers. This definitive guide from the Water Environment Federation and the Environmental and Water Resources Institute of the American Society of Civil Engineers covers sewer evaluation and monitoring, sewer rehabilitation methods and materials, and quality assurance. The Third Edition features new material on tools and procedures for pipe evaluation, infiltration and inflow problems and detection, rehabilitation materials and methods, and effective repair techniques. Detailed and up-to-date, this is a must-have resource for all sewer system professionals. Existing Sewer Evaluation and Rehabilitation, Third Edition covers: Current regulations and guidelines; Capacity-, structural-, and maintenance-related problems; Site inspection and testing; Methods of structural evaluation, including closed-circuit television, sonar, and laser-based scanning; Sewer flow monitoring and sewer system hydraulics; Infiltration and inflow source detection; Selection of sewer rehabilitation methods and materials.