Bertha is nearly ready to start tunneling again (VIDEO)
Bertha delayed again; won't restart drilling until late December
Board rules WSDOT should have given contractor more warning about pipe struck by Big Bertha before stall
From our partners
Did Seattle’s SR 99 tunnel really require Big Bertha? Indeco argues breakers are the answer
Water main damaged by Big Bertha repair excavation could cost WSDOT $4 million
Big Bertha's delays have pushed back the opening of the tunnel it's digging by 20 months...so far
Drilling delays a problem for tunnel-boring machine Big Bertha even as she slumbers below ground
Repairs to Big Bertha will include 86 tons of steel reinforcement to tunnel-boring machine's bearing, cutter drive
Camera gives a live view of construction on Big Bertha's 12-story repair access pit