Repairing a critical Calgary feeder main line after a catastrophic failure

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By David Nesseth

Since Calgary’s Bearspaw South feeder main burst its concrete casting on June 5, many indelible images have emerged. Workers were seriously injured during welding; a local fire highlighted the importance of water conservation; residents filled recycling bins with rainwater during a heatwave; repair crews rescued residents from a capsized raft; and robots revealed more issues deeper in the pipe than officials could see themselves.

Read the full article in ES&E Magazine’s August 2024 issue:

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