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Video of Highway 101 Landslide in California
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San Francisco Millennium Tower Has Settled 16 Inches
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$1 Million More for Geotechnical Work on Seattle Light-Rail Tunnel PDF Print E-mail
Written by Randy Post   
Wednesday, 16 May 2007 07:50

The Seattle Post-Intelligencer reports that Seattle's "Sound Transit" board members have approved an additional $1 Million in funds for "unanticipated" geotechnical engineering related to the Beacon Hill light-rail tunnel. The project geotechnical firm is Shannon & Wilson. From SeattlePI:

Shannon & Wilson's additional geotechnical work dealt with unanticipated amounts of water found 160 feet below the surface of the hill.

The company helped Sound Transit devise a system to remove the water and stabilize the soil with a form of cement so that construction of the tunnel and the underground station could proceed, said light rail construction manager Dick Sage.

The amount authorized Thursday to Shannon & Wilson is "minor, compared to what we could have spent without their advice," Sage said.

(Photo by isnoop)

Last Updated on Thursday, 20 September 2007 04:01
 
BMC Gulf Successfully Completes A Dh12 Million Jumeirah Vehicular Tunnel Waterproofing Project PDF Print E-mail
Written by Randy Post   
Tuesday, 15 May 2007 07:49

Dubai, UAE - May 9, 2007: BMC Gulf Trading & Contracting LLC, a subsidiary of Emirates Investment and Development PSC (Emivest), has successfully completed the Dh12 million waterproofing work on the Palm Jumeirah Vehicular Tunnel project. The 1,400m Tunnel Is The Only Link For Vehicles Between Jumeirah Palm Island And Crescent Surrounding It. Read on for more info. (Photo by twocentsworth)

Last Updated on Thursday, 20 September 2007 04:01
 
Three Gorges landslide threat forces villagers to flee PDF Print E-mail
Written by Randy Post   
Tuesday, 15 May 2007 07:29

Nearly 100 villagers living upstream from the Three Gorges dam have been forced to leave their homes under threat of a landslide, which officials fear was disturbed during the filling of the dam's reservoir last year, Xinhua News Agency reported last week. Read on for more info. (Photo by enkai)

Last Updated on Thursday, 20 September 2007 04:01
 
World's 2nd Longest MSE Wall PDF Print E-mail
Written by Randy Post   
Thursday, 03 May 2007 07:22

ENR Reports that Pennsylvania Route 22/322 now has the longest MSE Wall in the U.S. and Canada, and the 2nd longest in the world. The project is located in Mifflin County, Pa. and involves adding an additional 2 lanes in a bifurcated alignment to supplement the existing 2 lanes in a dangerous stretch of roadway known as “Lewiston Narrows,” between the Juniata River and Shade Mountain. The project also involves approximately 9,000 micropiles, 8,280 linear ft of shoreline retaining walls (nine), and approximately 40,000 ft of H-piles were driven for the retaining wall and for two bridges. (Photo by the Reinforced Earth Company)

Last Updated on Thursday, 20 September 2007 04:01
 
Soil Instability Puts $150 M U.S. 20 Project in Jeopardy PDF Print E-mail
Written by Randy Post   
Monday, 16 April 2007 08:44

[Update 5/11/07] The Oregon Department of Environmental Quality has fined ODOT $90,000 for violating their stormwater discharge permit at least 37 times between September and January. ODOT is going to try to get the contractor to pay at least part of the fine. [/Update]

The $150 million Oregon Department of Transportation project, U.S. 20: Pioneer Mountain to Eddyville project is in jeopardy after three landslides (one major and two minor) have been discovered during the construction process. Yaquina River Constructors (YRC), a joint venture of Granite Construction Inc. and Wilder Construction has formally requested "that further work on the project cease under a Termination for Convenience. At a minimum the project should be suspended." Read on for more information. (Photo by decoder420)

Last Updated on Friday, 11 May 2007 03:26
 
Giant Tunnel Boring Machines PDF Print E-mail
Written by Randy Post   
Sunday, 04 March 2007 18:13

ENR.com reports that two of the world's largest slurry boring machines have begun digging 9-km long tunnels under they Yangtze River in China. The TBM pictured is over 15-m in diameter. (Photo Credit: Bouygues S.A.)

 
Cofferdam Downstream of Three Gorges Dam To Be Blasted Away PDF Print E-mail
Written by Randy Post   
Wednesday, 28 February 2007 02:17

The last section of a cofferdam built to facilitate construction of the Three Gorges Project from the southern bank of the Yangtze will be blasted away in seconds after 3:00 p.m. Wednesday. Thanks iCivilEngineer.

Last Updated on Wednesday, 14 March 2007 01:54
 
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