Crux Subsurface, Inc. of Spokane, WA was recently awarded a contract by San Diego Gas and Electric to provide design and installation of micropile foundations at 16 tower locations along a 7 mile stretch of power line for a wood to steel replacement project. Crux is best known for their difficult access and extreme access geotechnical construction and geotechnical investigation work, including helicopter access in rugged terrain which seems to be the case on this project. The work is scheduled to begin this month. [Source: National Driller. Image: National Driller]
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Soledad Mountain Road Landslide Update
Residents of approximately 75 of the 111 homes evacuated after the slide have been allowed back into their homes. The City of San Diego is not wasting any time in determining the cause of the slide. The first of three 100-ft deep exploration shafts was excavated on Friday, and a Forensic Geologist from a firm hired by the City was sent down the hole to observe geology conditions and to locate the actual slip surface. Also, claims of leaking City water and/or sewer pipes prior to the failure have begun to surface. More details in the full post. (Photo by NELVIN CEPEDA / San Diego Union-Tribune)
Judge Rules City of San Diego Not Responsible for Mt. Soledad Landslide in 2007
The Mt. Soledad Landslide in a La Jolla California neighborhood destroyed 3 houses and damaged others and it also shut down Mt. Soledad Road for an entire year after it occurred in October of 2007. Residents blamed the city of San Diego, and 65 homeowners filed suit, claiming that leaking pipes caused the landslide and the City should cover damages.
Last week, a superior court judge ruled in favor of the City of San Diego. So far I have not seen anything indicating if the residents plan to appeal the ruling.
One interesting note regarding the trial, the City released an 8-minute cell phone video taken by a geotechnical engineer or drilling contractor employed by the City that showed the road cracking and buckling just prior to failure. The homeowners used the video to try to make their own case. Click through for a portion of the video and a link to the full one.
4th Micropile World Cup – It’s On!
The International Society of Micropiles (ISM) is now accepting project summaries for the 4th International Micropile World Cup competition. The competition is being held at the ISM’s 15th International Workshop on Micropiles, May 31 to […]