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seattle tunnel, among world\'s biggest, nears completion
by:Gewinn
2019-08-30
Bertha, one of the world\'s largest boring machines, if everything goes as planned, will cross a thick concrete wall at noon on Tuesday to complete the most difficult stage of building a highway in downtown Seattle.
Bertha, one of the world\'s largest boring machines, if everything goes as planned, will cross a thick concrete wall at noon on Tuesday to complete the most difficult stage of building a highway in downtown Seattle.
Reach the open air through 5 feet (1. 5 m)
Concrete is an important step in one of America\'s most ambitious municipal projects in recent years.
Once completed, 2 miles (3 km)
On Highway 99, a Elevated Road along the densely populated waterfront will be re-laid and run below the city of 650,000 people.
A sinkhole, two.
The contractor was delayed for one year and claimed $0. 48 billion, challenging $3.
1 billion the project has been in operation since June 2013.
The tunnel portion of the underground highway is budgeted at $2 billion and is initially expected to be completed by the end of 2015, with Boston\'s 16-
Annual \"Big Dig\" tunnel works that suffer losses due to cost overruns, design defects, worker deaths and other issues.
\"It\'s like pushing a five.
Project director Chris Dickson said at a news conference on Monday: \"Through the story building of the ground underground in the downtown of the ground map . \".
Dixon says the Seattle tunnel will be one of the largest in the world, about seven times the typical subway tunnel.
After forming a large opening
A few blocks from the Queen Anne community in Seattle, Bertha will be cut into pieces and dragged away a few months later. The 57-foot (17 m)
Wide borer made by Hitachi Zosen, Japan $80 million, the largest tunnel in the world when Tunnel construction began in 2013.
As engineers plan to break 8,000ton (7,260-metric ton)
Machine, fill tunnel with double material
Decker Lane has already started.
National planners hope that the first car will pass through the tunnel in early 2019.
And $3 for this project.
The 1 billion price tag is relatively small-
It is estimated that the excavation cost $22 billion.
With plans to dig some of the most crowded neighborhoods in downtown Seattle, progress has become more complicated.
In December 2013, Bertha overheated and stalled in the middle of the project, which made the completion of the project suspicious.
The tunnel was delayed for two years as the engineer dug a 120 tunnelfoot (37 m)
Pit of passage for maintenance. (
This story corrects the fourth paragraph to $2 billion, which is the cost of the tunnel part of the project, not the total cost of the project, and in the ninth paragraph, corrects the weight of the machine to 8,000-ton from 6,700-ton. )(
This article has not been edited by the DNA editing team and is automatically edited
Generated from the proxy feed. )
Bertha, one of the world\'s largest boring machines, if everything goes as planned, will cross a thick concrete wall at noon on Tuesday to complete the most difficult stage of building a highway in downtown Seattle.
Reach the open air through 5 feet (1. 5 m)
Concrete is an important step in one of America\'s most ambitious municipal projects in recent years.
Once completed, 2 miles (3 km)
On Highway 99, a Elevated Road along the densely populated waterfront will be re-laid and run below the city of 650,000 people.
A sinkhole, two.
The contractor was delayed for one year and claimed $0. 48 billion, challenging $3.
1 billion the project has been in operation since June 2013.
The tunnel portion of the underground highway is budgeted at $2 billion and is initially expected to be completed by the end of 2015, with Boston\'s 16-
Annual \"Big Dig\" tunnel works that suffer losses due to cost overruns, design defects, worker deaths and other issues.
\"It\'s like pushing a five.
Project director Chris Dickson said at a news conference on Monday: \"Through the story building of the ground underground in the downtown of the ground map . \".
Dixon says the Seattle tunnel will be one of the largest in the world, about seven times the typical subway tunnel.
After forming a large opening
A few blocks from the Queen Anne community in Seattle, Bertha will be cut into pieces and dragged away a few months later. The 57-foot (17 m)
Wide borer made by Hitachi Zosen, Japan $80 million, the largest tunnel in the world when Tunnel construction began in 2013.
As engineers plan to break 8,000ton (7,260-metric ton)
Machine, fill tunnel with double material
Decker Lane has already started.
National planners hope that the first car will pass through the tunnel in early 2019.
And $3 for this project.
The 1 billion price tag is relatively small-
It is estimated that the excavation cost $22 billion.
With plans to dig some of the most crowded neighborhoods in downtown Seattle, progress has become more complicated.
In December 2013, Bertha overheated and stalled in the middle of the project, which made the completion of the project suspicious.
The tunnel was delayed for two years as the engineer dug a 120 tunnelfoot (37 m)
Pit of passage for maintenance. (
This story corrects the fourth paragraph to $2 billion, which is the cost of the tunnel part of the project, not the total cost of the project, and in the ninth paragraph, corrects the weight of the machine to 8,000-ton from 6,700-ton. )(
This article has not been edited by the DNA editing team and is automatically edited
Generated from the proxy feed. )
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