More From Seattle construction

Board rules WSDOT should have given contractor more warning about pipe struck by Big Bertha before stall

Board rules WSDOT should have given contractor more...

Posted by Wayne Grayson on May 12, 2015

In regard to the drilling of the new State Route 99 tunnel below Seattle, the Washington State Department of Transportation ...

Did Seattle’s SR 99 tunnel really require Big Bertha? Indeco argues breakers are the answer

Did Seattle’s SR 99 tunnel really require Big Bertha?...

Posted by Marcia Gruver Doyle on Apr 23, 2015

  Tunnel boring machines such as Big Bertha, the 7,000-ton machine sidelined after a massive fail under the streets of Seattle, ...

Barrier rolls from overpass during construction, kills young couple, infant son in Washington

Barrier rolls from overpass during construction, kills...

Posted by Wayne Grayson on Apr 15, 2015

A construction project to install a sidewalk along an overpass in Washington turned tragic Monday morning when a piece of ...

Water main damaged by Big Bertha repair excavation could cost WSDOT $4 million

Water main damaged by Big Bertha repair excavation...

Posted by Wayne Grayson on Apr 14, 2015

Four months after crews temporarily stopped excavation on a repair pit for the world's largest tunnel-boring machine due to ground sinkage, ...

PHOTOS: Big Bertha’s 2,000-ton front end lifted to the surface. How the world’s largest tunneler was raised

PHOTOS: Big Bertha’s 2,000-ton front end lifted...

Posted by Wayne Grayson on Apr 01, 2015

After a year of slumber and almost a month after chewing her way into a 12-story repair pit, Big Bertha, the ...

Crane sends pipe careening into Seattle bus on Highway 520 bridge followed by a crashing traffic sign

Crane sends pipe careening into Seattle bus on Highway...

Posted by Wayne Grayson on Mar 19, 2015

Eight passengers on a bus traveling across the Highway 520 in Seattle were hospitalized Tuesday night after a construction accident ...

Big Bertha wakes from one-year nap, begins to chew her way into repair pit

Big Bertha wakes from one-year nap, begins to chew her...

Posted by Wayne Grayson on Feb 19, 2015

For the first time in more than a year, Big Bertha actually bored. According to a report from the Seattle Times, the world's largest ...

Crews reach the end of digging a 120-foot repair pit Bertha will chew her way into.

PHOTOS: Fixing Bertha: How workers dug a 12-story pit...

Posted by Wayne Grayson on Feb 11, 2015

The Big Bertha saga recently received a major update: crews with lead contractor Seattle Tunnel Partners have finished digging the ...

New AGC of Washington president places emphasis on attracting younger members

New AGC of Washington president places emphasis on...

Posted by Wayne Grayson on Feb 02, 2015

As the newly elected president of Associated General Contractors of Washington, Gary Smith, a 40-year construction industry veteran and president ...

Big Bertha’s delays have pushed back the opening of the tunnel it’s digging by 20 months…so far

Big Bertha’s delays have pushed back the opening...

Posted by Wayne Grayson on Dec 24, 2014

Seattle's new State Route 99 tunnel is officially 20 months behind schedule, and it's all Bertha's fault. The Associated Press reports ...

Excavation stopped on Big Bertha repair pit due to major ground sinkage in area

Excavation stopped on Big Bertha repair pit due to...

Posted by Wayne Grayson on Dec 15, 2014

The latest in a long string of delays to affect tunnel-boring machine Big Bertha has far greater implications than any of the ...

One contractor gives another work: Seattle officials suspect construction crew responsible for dumping concrete in sewer pipe

One contractor gives another work: Seattle officials...

Posted by Wayne Grayson on Nov 13, 2014

Even though it's something that happens fairly regularly—three or four times a year—footing the bill to repair sewer pipes used ...

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