(April 2, 2013, WSB photo by Nick Adams)
SUNDAY NIGHT: If you’re on Highway 99 tunnel watch – the tunneling machine is now down to a double-digit distance, 89 feet as of this morning. WSDOT still is not officially predicting what day will bring the “Bertha breakthrough,” but at this rate (it’s gone 38 feet since Friday), it’s likely to be this week. They’ve said that it will happen in two phases – the machine will reach the wall of the disassembly pit and stop, while WSDOT and Seattle Tunnel Partners explain what happens next. Then, likely on the following day, the machine will be set into motion for a several-hours-long breakthrough process. They continue to promise a live camera will be available, since the pit is in a construction zone and a public viewing area isn’t feasible.
P.S. Checking the archives, we note that today is the 4th anniversary of the tunneling machine’s arrival via ship from Japan.
MONDAY AFTERNOON: So much news today that we haven’t had time to publish an update yet, but WSDOT is expecting breakthrough sometime Tuesday – here’s the latest; full update a bit later.
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