Cost to rescue machine jumps by an additional $16 million The initial work to dig the new sewer tunnel was budgeted at $7.2 million. In March, the city signed off on a sole-source deal to extract ...

The boring machine that got stuck beneath a west Toronto neighbourhood for over a year might be freed, but residents say that hasn't stopped the flow of construction crews from wreaking havoc on ...

These demonstrations led to us being awarded the Accuracy Award for exceptional guidance, navigation, and controls systems on board the tunnel boring machine. Our iterative guidance method and ...

A construction company whose tunnel boring machine got stuck underground for more than a year while excavating new sewers near Old Mill is suing the city for money it says it’s still owed for ...