Bertha breaks through wall into access pit
KING5.com The cutterhead on Seattle’s troubled SR 99 tunnel boring machine broke through the 20-foot-thick wall of a rescue pit around 11:15 a.m. Thursday. Video from WSDOT shows Bertha breaking through the thick wall and a plume of dust rising from the pit. Seattle’s crippled Bertha tunneler drills into rescue pitKOMO News UPDATE: Bertha digs 6 feet toward repair pitThe Seattle Times (blog) Bertha breakthrough: Seattle’s giant tunnel boring machine pushes through wall …GeekWire OregonLive.com –Bellingham Herald all 163 news articles |
From:: Seattle News By Google News