AWWA ACE65432

This powerpoint presentation begins by providing background information on the city of Tiajuana, Mexico. The objectives of this presentation include: determining the amount of distress in 13 km section of 72" PCCP pipe; confirming and validating assumptions; confirming results; and, devising a maintenance / rehabilitation / replacement strategy, based on the actual condition; limit unexpected expenditures and liabilities; and, save money while maintaining the pipeline integrity. Technology capabilities are given for Embedded Cylinder Pipe AWWA C301, Lined Cylinder Pipe AWWA C301, and Bar Wrapped Pipe AWWA C303. Information is outlined on pipes in Tiajuana, along with manned and unmanned inspections, signal types, RFEC/TC, Tijuana Inspection Results, Repair and Rehabilitation Options, Risk of Excavation of Distressed Pipe, Repair by Post-Tensioning, Restoring Pre-stress Force, Restoring the original strength of the pipe, Two essential characteristics of POLYSTRAND™, Extruded Molten Polymer Onto Corrosion Inhibitor Encased Strand, Benefits/Pertinence of the Tendon PCCP Repair System, and project status. Includes tables, figures.