Spearfish

Zach Grapentine recently fulfilled his South Dakota Professional Engineering License requirements, earning the PE designation by the South Dakota State Board of Technical Professions. Grapentine is a highly skilled engineer focusing on traffic and municipal engineering. He holds a Bachelor of Science Degree in Civil Engineering from South Dakota School of Mines and Technology. Interstate Engineering is also pleased to announce the promotion of Grapentine to Assistant Office Manager for the Spearfish team. “Zach is ideal for the Assistant Manager position as he has a strong desire to learn, sets high standards for himself and others, and wants the entire…