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CHJ Consultants is now a Terracon Company

George, Jay and I are very proud to announce that as of November 30, 2016, CHJ Consultants is now a Terracon Company.


For a while we have been considering a succession strategy for the Company. Through various happenstance and events we were fortunate enough to have been introduced to some of the good people at Terracon.  Early discussion in 2010 did not result in a mutual agreement but we went on to do some projects for/with Terracon.  A chance meeting with Joe Aldern at an ASCE Geotechnical meeting earlier this year started the ball rolling again.  Joe is a Senior Vice President and Regional Manager for Terracon.  His region consist of California, Oregon and Washington.  What started with my discussion with Joe about doing more work for Terracon culminated in the merger finalized on November 30, 2016.

Terracon is a company that is now 50 years old.  CHJ Consultants was 52 years old this year.  Terracon is an employee-owned engineering consulting firm with more than 3,500 employees providing environmental, facilities, geotechnical, and materials services from more than 130 offices with services available in all 50 states. Terracon currently ranks 32nd on Engineering News-Record’s list of Top 500 Design Firms. (I suggest you visit to find out more!) Being 32 on the ENR 500 top design firms list is a BIG DEAL.  David Gaboury the President and CEO of Terracon made the following statement in his national press release; We are pleased to further demonstrate our commitment to growing our presence, expertise, and service offerings in southern California and throughout the West, said David Gaboury, P.E., president and CEO of Terracon. CHJ’s depth of expertise allows us to expand our regional presence and bring additional resources to national and local clients.

George and I have had the pleasure of meeting and talking to David.  We were very impressed with the organization that he has grown and the loyalty that all of the Terracon employees we met express to David.  We were guided through the process by many people at Terracon, but Gayle Packer, the CAO and Joe were the point people.  Gayle is headquartered in Olathe, Kansas, about 40 miles from Kansas City but traveled to our office to meet with us and present Terracon.  She was very ably assisted by Kristie Tahmasiyan who really held our hand and guided us through the transition process which by the way is very complicated.  Carl Parten, who lives in Riverside, will soon on board as Office Manager.  Carl has had a long career with Terracon and will show us the ropes.  He has been making the drive to Orange County to that Terracon office and I am sure is please to get away from that commute.  We will be seeing more and more of Carl as he transitions in.

We had several opportunities to merge or sell CHJ but we did not feel good about the deals that were offered, and we did not feel good at all about how our employees would be treated.  Terracon came along and really filled the bill as far as taking care of our employees.

The transition will not be internally complete until sometime mid next year.  That’s when we will go on the Terracon systems and policies.  Until then we will continue along the same successful path I have negotiated for 45 years.  We will continue to operate as CHJ Consultants, a Terracon Company for a good while I expect.  Logos with the addition of the Terracon name have already been put in place for several functions.

I plan to stay on until at least January 2018.  George and Jay plan on staying several more years.

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CHJ Promotes Long Time Employee

Mobility 21 SummitCHJ Consultants, a Colton engineering firm specializing in geotechnical engineering, environmental consulting, construction inspection, and materials testing services, has announced the promotion of Jim Cooke to the position of Managing Engineer. In this role, Cooke will be responsible for the oversight of company’s engineering staff and projects.

CHJ is involved in pre-construction investigations that require knowledge of soil conditions below the ground surface, explained Cooke. We investigate the soils and bedrock conditions and provide recommendations for treatments based on the proposed foundation. While the structure is under construction, we inspect for materials, placement, and welding.

CHJ also performs forensic investigation and provides recommendations on structures that have experienced distress. In the Southern California area, seismic activity presents a challenge and design levels are set higher than in other areas of the country.

Jim has probably done every job from sweeping the floor to managing the Engineering department, said Bob Johnson, president of CHJ Consultants.  With this background, Jim has hands on knowledge of the business here at CHJ Consultants and leads the company by example. His talent and experience benefit the company every day.

Before joining CHJ, Cooke studied Geology, Chemistry, and Engineering at the University of Idaho, earning is bachelor’s degree and then returning to the Redlands area. While working with the company, Cooke became a Registered Civil Engineer six years ago and is now studying to become a Registered Geotechnical Engineer. He joined CHJ as a field technician over thirty years ago and worked his way through the ranks with his keen sense of what needed to be done and his work ethic, said Johnson.

The people are the reason I enjoy my job and have stayed for thirty years, said Cooke.  If I have an issue, I can walk into Bob Johnson’s office, and he will talk with me. There has always been an open door policy.

CHJ Consultants is a California corporation with office and lab locations in Colton, Victorville and Palm Desert, providing geotechnical engineering, environmental consulting, construction inspection, and materials testing services for residential and commercial developments. To learn more about their services, certifications and projects, visit their website at or call the main Colton office at (909) 824-7311.

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