City Administration will be providing a public update on the preliminary findings from the Pipe Investigation at the regular Council Meeting on November 26.
The purpose of the Pipe Investigation, overseen by Associated Engineering and Pure Technologies is to understand the factors that led to the deterioration of the feeder main and its failure on June 5, 2024.
The preliminary findings indicate that several different factors may have contributed to the feeder main failure, including microcracking of the protective mortar outer layer of the pipe; high chloride levels in soil at various locations; and wires which snapped due to corrosion and hydrogen embrittlement.
From these findings, the report indicated that there was not one specific factor that led to the failure of the feeder main in June.
The preliminary review of the design and operations also confirmed the original design of the pipe was consistent with the proper guidelines of the time and operations of the pipeline were well within the design parameters of the pipe.
The final Pipe Investigation report will be presented at the Infrastructure and Planning Committee on December 11.
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