JJ Griggs, PE

Project Manager

Expert In:

  • Water
  • Wastewater
  • Drainage/Flood Control
  • Environmental

JJ is known for his experience in water, sewer, and drainage design. His keen understanding of the requirements and regulations pertaining to the City of Cheyenne, Laramie County, and the State of Wyoming assures that his projects receive approval, are on time and within budget criteria. He has extensive knowledge in water and sewer pipeline designs; drainage investigations, designs, reports, and submittals; site design; and drafting expertise. He is also experienced in drainage and sewer master plans, permitting requirements, subdivision planning, soil material testing and analysis, and quality controls with nuclear-density gauges.

Key Projects

  • Ogden City 27th Street Sanitary Sewer Replacement

  • Ogden City 14th Street Sanitary Sewer Replacement

  • Town of Manila Waterliene Replacement

  • Heit and Koening Pit Infrastructure Project

  • HollyFronteir Refinery - East Side Improvements

  • Sinclair Refining Crude Unit BRM and Tank Farm EHS Sewer Line

  • Torrington Sanitary Sewer Improvements

  • Cheyennne Board of Public Utilities Southern Transmission Main

Contact Information