The contractors who built Bertha the tunnel machine in Washington two years ago have filed a lawsuit seeking $11 million in extra pay.
The Seattle Times reported that the contractors contend that their efforts working with tough soil conditions cost more than originally anticipated.
Malcom Drilling Company, which created the 120-foot deep access vault, filed the lawsuit against Seattle Tunnel Partners earlier this year.
Seattle Tunnel Partners is the prime contractors for the future State Route 99 Alaskan Wat Viaduct. They hired Malcolm to repair the massive machine after it stalled due to overheating.
According to the lawsuit, Malcolm contractors had to fend off sloppy soils and groundwater much than expected to access the damaged machine.
The Seattle tunnel was the preferred choice to replace the viaduct when it was damaged in a 2001 earthquake. But the tunnel boring machine broke down in late 2013, leading to a more than two-year delay while it was fixed.
Related:
- Washington Sues Contactor Building $3.1B Seattle Tunnel
- Big Dig Tunnel Victim’s Family Settles Lawsuit for $28 Million
- $458M Big Dig Settlement Reached; Criminal Charges Dropped
Topics Lawsuits Washington Contractors
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