Zach Grapentine

Grapentine Joins Spearfish Team

Zach Grapentine Hired as Traffic Engineer We are excited to announce the addition of Zach Grapentine, EI, to the Spearfish, South Dakota, office. Grapentine will serve as a project engineer with a focus on traffic engineering and municipal engineering. Holding a Bachelor of Science degree in Engineering from the South Dakota State School of Mines and Technology, he worked in Colorado for five years focusing on traffic engineering and municipal infrastructure. Grapentine grew up in Belle Fourche, South Dakota. “I chose engineering because I like being faced with ever-changing challenges in the industry and then to be able to adapt…

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Clay Tarrant Earns Professional Land Surveyor Designation

Spearfish Surveyor Numbers On the Rise Clay Tarrant, a Land Surveyor with Interstate Engineering, was recently awarded his Professional Land Surveyor License in the State of South Dakota. To become licensed, Tarrant was required to pass the South Dakota Land Surveyor Examination, testing his knowledge of statutes, rules, and regulations regarding professional land surveying. Tarrant works in the Spearfish, South Dakota, office has experience surveying throughout the Black Hills area. He has been a member of the Interstate Engineering team since 1994. Before joining the team, Tarrant was a member of the US Forest Service. Congratulations on your achievement Clay!