Alyssa Herperger received her Professional Engineer (PE) license in the State of Oregon.
Chris Nelsen contributed to the article “The Case for Certification” in the September 2022 issue of Canadian Tunnelling.
William Gates and James Struthers presented their paper “Emergency Response, Mitigation and Design for Rock Cuts 1−9, SH-55, Smiths Ferry, ID” at the Slope Stability 2022 Symposium in October.
William Gates presented “Practical Estimation of Friction Angles for Slope Stability Analysis” at the Association of Environmental & Engineering Geologists 65th Annual Meeting in September.
Carol Ravano presented the paper “BNSF Gateway Sub Tunnel #4 Emergency Repair, Keddie, CA” (coauthored by Thomas Pallua of McMillen Jacobs and Bret Mainer of Drill Tech Drilling & Shoring) at the American Railway Engineering and Maintenance-of-Way Association (AREMA) Conference in August.
Glenn Boyce gave a presentation on “Shaft/Portal Design and Construction” at the Breakthroughs in Tunneling Short Course in September at the University of Colorado Denver.
Glenn Boyce participated in the panel session on “B4 Pipe Ramming New MOP” at the UESI Pipelines 2022 Conference in August.
Kent Winger gave a presentation on “Subcontractors Perspective on Construction Claims Process” at a Bay Area Subcontractors Association (BASA) Virtual Seminar in September.