More From Washington state construction

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 ...

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 ...

Camera gives a live view of construction on Big Bertha’s 12-story repair access pit

Camera gives a live view of construction on Big...

Posted by Wayne Grayson on May 13, 2014

Just because Big Bertha is down for nearly a year, that doesn't mean work around the world's largest tunnel boring ...

Before Bertha repairs begin, archaeologists will test soil for artifacts

Before Bertha repairs begin, archaeologists will test...

Posted by Wayne Grayson on Mar 25, 2014

Before workers in Seattle begin to dig a 12-story pit to make the necessary repairs to get the world's largest ...

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