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Calgary's water main failure caused by pipe cracks, soil chlorides, and corroded wires; city reviews long-term fixes.
A preliminary report on the June water main failure in Calgary, which led to citywide water restrictions, indicates that no single factor caused the incident.
Contributing factors include microcracking of the pipe’s outer layer, high chloride soil levels, and corroded wires snapping.
The pipe’s original design was consistent with guidelines at the time.
The city is reviewing long-term rehabilitation options and will present the final report in December.
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La falla principal del agua de Calgary causada por grietas de tuberías, cloruros de suelo y alambres corroídos; la ciudad revisa correcciones a largo plazo.