- Trenchless Technology Magazine - October, 1998 - PROJECT OF THE YEAR
"Microtunneling Project Team Tackles the “Impossible” in Orinda, CA”
- Trenchless Technology Magazine - April, 2000 - “Massive Microtunneling Mobilization”
Microtunneling and Guided Boring in difficult conditions, with tight schedules in prestigious Palisades, CA
- Trenchless Technology Magazine - May, 2003 - Cover Story: “Teamwork Leads to Success”
- Public Works Magazine - November, 1998 - “Prequalifying and Partnering for Microtunneling”
- Paper – April, 1997 - “Saving a Difficult Microtunneling Project with Partnering and a New Technology”
By: Kent Steffens, P.E. – Senior Engineer, Union Sanitary District
Co-author: Richard Currie, P.E. – Engineering Manager, Union Sanitary District
- Overview - Martinez East Side Trunk Sewer Improvement Project – December 1998
- Paper - Martinez East Side Trunk Sewer Project
Microtunneling through Bay Mud, Directional Drilling through Bedrock
By: David Mathy, Kent Von Aspern, Curt Swanson, Dru R. Nelson
- Akkerman Trenchless News - “Nada Pacific Creates GBM Success Story”
- Akkerman Trenchless News - Vol. 1, 2000 - “Smooth sailing for Port of L.A. Expansion Project”
Microtunnel under busy waterway at Port of Los Angeles