Pushing progress at Devil's SlidePaula Wallis reports for TunnelTalk
high, about 18m apart
February, 2010: Kiewit Pacific has excavated 960m in the northbound tunnel tunnel and 945m in the southbound bore, plus seven of 10 cross-passages on the 1,250m long tunnel. Ground conditions are as expected with crews currently working in support Category 1. The waterproofing installation and final lining is progressing behind the excavation.
Progress at Devil's Slide - TunnelCast, Jun 2008, Jan 2009
NATM underway at Devil's Slide - TunnelTalk, Mar 2008