Crux Subsurface, Inc. (Crux) worked with Golden State Bridge, Inc. to provide geotechnical exploration services on Pfeiffer Canyon Bridge in Big Sur, California. Active landslides had caused significant fractures in one of the support columns, and Caltrans determined the damage was too severe to repair. The bridge was demolished earlier this month, and a geotechnical […]
CORE COMPETENCY: Crux teamed with the San Diego Country Water Authority to verify design requirements of the San Vicente Dam Raise project; the tallest roller-compacted concrete dam raise in the world. Using both crane and helicopter support, a challenging post-construction coring program was successfully completed. Read the GeoDrilling International article →
Crux’s patented steel cap micropile foundations, implemented on San Diego Gas & Electric’s Sunrise Powerlink Project, were featured as the cover story in the September/October issue of DFI’s Deep Foundations Magazine. Click here to read the article.
PSE&G Traverses New Jersey Wetland John Ribardo, Public Service Electric & Gas, and Steve Davidow, Crux Subsurface | T&D World Magazine A steadily increasing demand for power has introduced a number of unique design and construction challenges within the overhead transmission sector, many of them environmental. The routing and siting process for transmission line construction is often […]
The Sacramento Municipal Utility District (SMUD) has awarded an Owner’s Engineer services contract for preliminary design and construction services on the Iowa Hill pumped storage project to a team led by Jacobs Associates. As part of the Jacobs team, Crux has completed both vertical and horizontal exploratory borings to depths of up to 1,500 feet […]
Crux’s specialty foundation work on the Troy Meadows transmission segment was recently featured in GeoDrilling International’s May 2014 issue. Click below to view the full article.
Crux is providing challenging access exploratory drilling services at the Wanapum Dam in central Washington. A crack was discovered on February 27, 2014 and the geotechnical exploration program is intended to provide more information regarding the extent of this crack. Six borings have been completed to-date, and Crux crews expect to drill a minimum of […]
A History of Problem Solving When Crux first began installing micropiles in 2002, the company was already known for providing difficult-access geotechnical exploration services throughout the western United States for tunnel, dam, highway and slope stabilization projects, including the Hoover Dam Bypass. Crux initially utilized micropiles for structure foundation support and slope stabilization before adapting […]
Affiliated publications Building & Construction Canada and Energy & Infrastructure Magazine feature an article in their Winter 2013 issues on the construction of the Northwest Transmission Line (NTL). The article, titled “Powering Growth,” discusses various challenges associated with construction of the alignment, located in Northern British Columbia. Valard Construction, a Quanta Services company, teamed with Burns […]
As a followup to the Burns & McDonnell sponsored Advanced Technologies Webinar Series, Transmission & Distribution World is featuring related photo galleries on their website. Visit the Micropiles as a Foundation Alternative gallery to view project photos where micropiles were utilized to solve a number of challenges, including access restrictions, environmental regulations, low overhead clearance […]