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Standardizing Foundation Design for Electric Transmission Structures

DFI’s Electric Power Systems Foundations Committee is working to standardize foundation design practices within electric transmission.  The industry-wide committee, co-chaired by Quanta Subsurface Senior VP, Steve Davidow, was established in 2013 to address issues related to deep foundation design and construction. Read the full article in DFI’s July-August 2018 issue →  

Foundation Drilling in Extreme Temperatures

Crews recently wrapped up work on Minnesota Power’s Great Northern Transmission Line (GNTL), installing micropiles and grouted anchors in frozen ground and extreme temperatures.  All work was successfully completed, with client Hooper/Wilson commenting “Crux did a good job of adjusting to unanticipated and ever-changing soil conditions.  The knowledge and skill set they brought to the […]

GeoDrilling International: Need for Speed

Crux’s work on the California High Speed Rail project is featured in the October 2017 issue of GeoDrilling International. The highly sensitive drilling program was completed within the Angeles National Forest, and involved coring though complex geology and potentially active faults.  Read the article →  

Employees Recognized for Dedication to Safety

August 11 marked 365 days for Crux without a recordable safety incident.  This is the second time in three years employees have reached this benchmark, following a 702-day stretch in 2016.  The commitment to safe operations has been recognized across the industry, earning Crux awards from both the International Association of Foundation Drilling (ADSC-IAFD) and […]

Crux Assists in Feasibility Study for High-Speed Rail

  Crux has been selected by Kleinfelder to participate in a geotechnical investigation on the San Jose to Merced section of the California High-Speed Rail (HSR).  The investigation will collect information on ground conditions and feasibility for a transportation tunnel through the Diablo Mountain Range. Utilizing track-mounted equipment, crews have begun deep core drilling and […]

California Landslides Call for Emergency Investigations

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 […]

Crux Serves as Host Sponsor for IWM

Crux is pleased to act as host sponsor for the 2017 International Workshop on Micropiles.  The workshop is being held March 29 through April 1 in Vancouver, Canada.  This is the 13th workshop since 1997, hosted by the International Society for Micropiles, now in alliance with ADSC and DFI.  Past workshop locations have included Poland, […]

Crux Completes Additional Foundations Under Active Lines

Crux Subsurface, Inc. (Crux) has completed the second phase of work for Hawaiian Electric’s Koolau-Wailupe #1 and #2 46 kV Circuits in Oahu, Hawaii.  The second portion of the project involved installing an additional four micropile foundations for tubular steel pole structures.  Crux was selected to perform additional services due to difficulty in accessing the foundation sites.  […]

Foundation Construction in Challenging Hawaiian Terrain

Crux Subsurface, Inc. (Crux) will team with sister company Road Bore Corp. to provide EPC foundation services for the replacement of nine structures on Hawaiian Electric Company’s Koolau-Wailupe #1 and #2 46 kV Circuits. Located on the island of Oahu, the project features rugged and steep terrain, and requires most operations to be completed while […]

Pressure Relief Wells Installed at Upriver Dam

The City of Spokane selected McMillen Jacobs for construction and preventative services on the Upriver Hydroelectric Dam, located in Spokane, WA. Due to the challenging subsurface materials and initial difficulty in accessing the area, the contractor selected Crux Subsurface to provide specialty geotechnical drilling services.  Crux’s scope includes drilling and installing 27 eighteen-foot deep drains to […]