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seattle bertha tunnel project

Brenda the Boring Machine rededicated at Maple Leaf Portal ...

On Monday, April 28, the first of two tunnel boring machines (TBMs) that will carve the underground portion of the Northgate Link Extension was dedicated at Sound Transit's Maple Leaf Portal site.

Alaskan Way Viaduct - Wikipedia

Alaskan Way Viaduct Map of the Seattle area with the Alaskan Way Viaduct highlighted in red Route information Maintained by WSDOT Existed April 4, 1953 (1953-04-04) – present Major junctions South end SR 99 (Marginal Way) in Industrial District North end SR 99 (Battery Street Tunnel) in Belltown Location Counties King Highway system State ...

PHOTOS: Sneak peek at Seattle's new mega tunnel -

Seattle's SR 99 tunnel will have cellular phone service, sprinklers in case of fire and a pedestrian escape route.

Alaskan Way Viaduct - Follow Bertha

Follow Bertha Thank you for following Bertha. The SR 99 tunneling machine, nicknamed Bertha, has completed her work. For the latest tunnel progress, visit our new tracker page.


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Bertha | The Seattle Times

Read more about the technical challenges and rising costs of the Highway 99 tunnel project, and the successes and travails of Bertha, the biggest-ever boring machine.

Alaskan Way Viaduct - Home

Getting the tunnel ready for drivers is a big task. Contractor Seattle Tunnel Partners must install and test thousands of components and 90 interconnected systems that are needed to safely operate the SR 99 tunnel.

VIDEO: A short history of how Seattle's tunnel finally got ...

Safety representative for the Seattle Tunnel Partners, Marisa Roddick, wears stickers on her helmet for each year that she has worked on the tunnel project, from 2013 to 2018, on Tuesday, March 27, 2018, in Seattle.

Browse By Author: V - Project Gutenberg

Did you know that you can help us produce ebooks by proof-reading just one page a day? Go to: Distributed Proofreaders

The Bridge and Tunnel Club Encyclopedia of Cultural Detritus

New York City. 1st Street, Astoria, Queens 1 Bedford Avenue, Greenpoint, Brooklyn 11th Street Between Fifth and Sixth Avenues in Greenwich Village, A Walk Down

The World's 30 Most Impressive Megaprojects

A new world's longest and deepest rail tunnel cuts through the mountains in Switzerland. Construction went on for nearly 20 years, but the Gotthard Base Tunnel inside the Swiss Alps finally opened in 2016, moving rail cars of passengers and freight between Zurich, Switzerland, and Milan, Italy.

Tunnel Update - June 2017 - Tunnel Business Magazine

CALIFORNIA Los Angeles. Crenshaw/LAX / Walsh/Shea Corridor Constructors This $1.278 billion project for the Los Angeles Metropolitan Transportation Authority (Metro), being built by a joint venture of Walsh and Shea, is an 8.5-mile light-rail line that will run between the Expo Line on Exposition Boulevard and the Metro Green Line.

25 Things You Should Know About Seattle | Mental Floss

Test your knowledge with amazing and interesting facts, trivia, quizzes, and brain teaser games on

Spokeo - Official Site

People search engine and free white pages finds phone, address, email, and photos. Find people by name, email, address, and phone for free.

Eisenbahn im Film - Rail Movies: Tabelle

Eisenbahn im Film: Tabelle mit Angaben zu mehr als 1800 Filmen, in denen Eisenbahnen, Lokomotiven, Züge oder Straßenbahnen eine 'Rolle' spielen.

Seattle — Wikipédia

Sur les autres projets Wikimedia:

8 Massive Tunnels Being Built Right Now Under A City Near You

Until being halted by a steel wellwater casing, the tunnel boring machine (TBM) named Bertha was digging a two-mile tunnel for the Alaskan Way Viaduct Replacement Program, repairing a double-decker highway along the Seattle waterfront that was damaged in the 2001 earthquake.

West Seattle Blog… | Topic: Fauntleroy Park Homeless Encampment

West Seattle news, 24/7. JoB; I disagree with your assertion that we are obligated to provide the homeless a place to go in order to dispose of the encampments.

Agenda | Tunneling Short Course

The Annual Breakthroughs in Tunneling Short Course covers all aspects of conventional and mechanized tunnel design and construction in hard rock, soft ground and soils.

Follow Bertha's breakthrough - The WSDOT Blog

The contractor Seattle Tunnel Partners began mining around 8 a.m. this morning. The tunneling machine Bertha will mine through the five-foot-thick concrete wall of the disassembly pit, an effort that is expected to take several hours.

Bertha (tunnel boring machine) - Wikipedia

Bertha was a 57-foot-diameter (17.4 m) tunnel boring machine built specifically for the Washington State Department of Transportation's (WSDOT) Alaskan Way Viaduct replacement tunnel project in Seattle.

Construction of Underground Metro Stations and Associated ...

Download Pdf R G Saini Project Director Metro Tunnelling Chennai, L&T SUCG JV The population of Chennai in 1639 was 40000 and today the city is