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.comBellingham Herald
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From:: Seattle News By Google News

By Zennie Abraham

Zennie Abraham | Zennie Abraham or "Zennie62" is the founder of Zennie62Media which consists of zennie62blog.com and a multimedia blog news aggregator and video network, and 78-blog network, with social media and content development services and consulting. Zennie is a pioneer video blogger, YouTube Partner, social media practitioner, game developer, and pundit. Note: news aggregator content does not reflect the personal views of Mr. Abraham.

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