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Cost to rescue micro-TBM in Toronto jumps to $25M
The cost to free a micro tunnel boring machine (TBM) that became trapped last year while constructing a storm sewer in Toronto, Canada, has risen to $25M [from the original cost of $9M - Matt] due to ground stabilisation challenges.
https://www.geplus.co.uk/news/cost-to-rescue-micro-tbm-in-toronto-jumps-to-15m-12-07-2023/
Why the city’s rescue mission for a trapped digging machine has ballooned to $25 million
cover tunnel photo by: Matt Brown from London, England / CC BY
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Previously the cost of extracting the tunnel boring machine was set as C$9M
https://www.cbc.ca/news/canada/toronto/boring-machine-rescue-efforts-1.6765994
It'll cost Toronto taxpayers $9M to rescue a trapped boring machine after botched sewer work | CBC News
www.cbc.caThe city has launched a delicate and expensive rescue operation in the west end to free a $3-million boring machine trapped underground after nearby sewer work went awry last year.