Quanta Subsurface, LLC (QS) is pleased to announce Scott Tunison as company President.
Mr. Tunison is currently serving as Vice President of Crux Subsurface, Inc. (Crux), where he played a pivotal role furthering innovation in the deep foundation industry. Mr. Tunison was part of a team responsible for developing and patenting multiple designs and installation methods relating to deep foundations for electrical transmission structures.
Mr. Tunison holds a Bachelor of Environmental Science from Washington State University, with minors in Geology and Biology. He has more than 25 years’ experience in geotechnical drilling, and his experience extends from geotechnical exploration drilling, to geo-structural design for major infrastructure projects.
Mr. Tunison co-founded Crux in 1998 and saw the company through an acquisition to Quanta Services (NYSE: PWR) in 2012. QS was formed in 2014 from Crux’s engineering capabilities, and both companies are wholly owned subsidiaries of Quanta Services. QS collaborates with Crux and a number of other Quanta companies to provide foundation EPC and value engineering services to some of the largest utilities in the United States. Mr. Tunison will also serve as President for Crux.
Senior Vice President, Steve Davidow, presented case studies and provided committee updates to other micropile delegates from around the globe this week at the 14th International Workshop for Micropiles, held in Queensland Australia.
The Workshop offers attendees insight into evolving micropile design and installation trends, as well as the opportunity to network with experts from the micropile community.
The joint ADSC (International Association of Foundation Drilling)/DFI (Deep Foundations Institute) event is being hosted by PCA Ground Engineering.
QS worked collaboratively with MJ Drilling and Commonweath Edison to optimize designs for ten large-diameter drilled shaft foundations on a Chicago project.
This alternative “Value Engineering” approach resulted in a 60% neat line rock excavation reduction and 16% overall concrete volume reduction from the base bid. The project was featured in this month’s issue of Foundation Drilling Magazine.
QS is teaming with DiGioia Gray once again to further the standardization of foundation design within the electric transmission industry.
Senior VP of Engineering, Steve Davidow, will co-present with Peter Kandaris and Ashley Evans of DiGioia Gray during the Foundations session of the SEI/ASCE Electrical Transmission & Substation Structures Conference November 6th in Atlanta, GA. The presentation, titled “Groundwork for Developing Comprehensive Transmission Line Foundation Design Guidelines,” will focus on the same initiatives as DFI’s Electric Power Systems Foundations Committee, discussing the importance of a unified code that explicitly covers foundation design and construction within the industry.
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 issue to learn more.
Located on the northern shore of Lake Superior in Ontario, the line includes installation of approximately 450 km of double circuit 230 kV transmission line.
Valard selected Quanta Subsurface (QS) as Foundation Contractor, responsible for all aspects of foundation design, procurement and construction. QS will conduct a geotechnical investigation of the alignment to select the most economic foundation design and installation method at each site. Anticipated foundation types for the self-supporting, guyed and monopole structures include drilled shaft, drilled pipe pile, driven pile, micropile, helical pile, and grillage. Grouted and helical anchors are considered for the guy lines. Multiple Quanta foundation contractors are expected to be involved and QS will provide onsite foundation construction management and QA/QC services throughout construction.
Quanta Subsurface is pleased to recognize our newest P.E.’s! Will Andres, Dan Parshall and Elmira Riahi successfully passed their exams, bringing the growing number of Licensed Professional Engineers at the company to 14.
William Andres, P.E. – Project Engineer
A Civil (Structural) Engineering graduate from Gonzaga University, Will works out of QS’s Spokane, WA office. He has been with the company for six years and specializes in structural foundation design for a wide range of electric transmission projects.
Dan Parshall, P.E. – Project Engineer
Dan is also a Civil (Structural) Engineering graduate from Gonzaga University based in Spokane, WA. With over ten years of engineering experience and six years with QS, he is an asset to the company’s Commercial Structures division.
Elmira Riahi, Ph.D., P.E. – Staff Geotechnical Engineer
Elmira joined the company’s Blacksburg, VA office just over a year ago, and has four years of previous engineering experience. With a focus in Geotechnical Engineering from University of Texas at Arlington, Elmira specializes in deep foundation design for a wide variety of projects.
Quanta Subsurface employees are gearing up to speak at DFI’s 42nd Annual Conference, held in New Orleans next week.
Senior Vice President of Engineering, Steve Davidow has teamed with DiGioia Gray to provide an in-depth view of deep foundation design within the electric transmission industry. The presentation, entitled “Framework for Risk-Based Electrical System Deep Foundation Design”, will focus on developing a comprehensive foundation design code that bridges the gap between common overhead structure codes and various deep foundation practices. The presentation was developed from the efforts of DFI’s Electrical Structure Foundation Working Group over the past few years.
Additionally, Geotechnical Manager, J.T. McGinnis will speak during DFI’s MSSP Expo Session. The presentation will include a high-level overview of Quanta Subsurface, and how the company’s design-build model brings value to the deep foundations industry.