With the recent completion of 29 repairs along the Bearspaw south feeder main and an independent review still in its early stages, Calgary city council heard an update Tuesday on what caused the ...

Built in 1975, the Bearspaw south feeder main, which is 11-kilometres long and as wide as two metres in diameter in parts, is an integral part of Calgary's civic water system. It transports ...

The third-party review points to several failure mechanisms, including microcracks along the pipe and surrounding soil conditions, which contributed to the deterioration of the feeder main and its ...