Posted on 01/15/2014 10:41:07 PM PST by steve86
State Transportation Secretary Lynn Peterson said her agency has been concerned for months about how contractors have been operating Bertha, the Highway 99 tunnel machine, which remains stalled with no clear plan to resume digging.
Peterson also sought an explanation as to why Berthas operators ran the machine at unusually high temperatures before shutting it down Dec. 6, when the rotary cutter stopped grabbing soil.
The tunnel drill had struck an 8-inch-diameter pipe Dec. 3, but contractors kept drilling for three more days and in fact progressed 58 feet in a day, its best-ever pace.
(Excerpt) Read more at seattletimes.com ...
I read that as Bertha is 58 feet past the pipe.
-Highway 99 tunnel contractor objects to states criticism-
Seattle Tunnel Partners expressed surprise Thursday that after a longtime good working relationship, the state is now blaming the contractor for trouble with the Highway 99 tunnel project
http://seattletimes.com/html/localnews/2022688395_berthadiscordxml.html
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