Great Falls, MT

Loran has over 34 years of experience working in the transportation field, including work on nationally recognized large-scale projects. During this 27-year career at the Montana Department of Transportation (MDT), he was involved in many firsts and award-winning projects while he served in several different capacities as designer, CADD Manager, Preconstruction Services Engineer, District Administrator, and Chief Engineer. He spent 2.5 years getting a $1.2 Billion-dollar project permitted, designed and ready bid in Alaska and has a little over 5 years working as a consultant in MT.   Mr. Frazier is TD&H Engineering’s lead transportation engineer.

Nate is a professional civil engineer with design and field experience in hydraulics, hydrology, water, wastewater, site development, soils, and transportation design.  Nate’s experience includes modeling, preparation of plans and contract documents, preparation of design reports, surveying, field investigations, and construction administration. He is proficient in several design and modeling software, which include AutoCAD Civil 3D, Autodesk Storm and Sanitary Analysis (SSA), MicroStation, HY-8, FishXing and multiple other software.

Camille has been a licensed professional engineer at TD&H Engineering since 2012. Her experience includes materials testing, preliminary planning and final project design. She has participated in the design of municipal and commercial sites, rural irrigation improvements, roadways, storm and sanitary sewer networks and water treatment systems.

Nicole earned a Bachelor’s of Science in Chemical Engineering from Montana State University in 2012 and a Master’s of Science in Environmental Engineering in 2014.  Since joining the TD&H team in 2015, she has worked with senior engineers on various projects including wastewater treatment, storm water management and sanitary sewer and water distribution design.

Katie has a background in land reclamation, environmental field work, and construction materials testing. She performs ground water monitoring field work and storm water management and wetlands work. Katie works on spill prevention, control, and countermeasure (SPCC) plans and Phase I environmental site assessments (ESAs) and is an accredited asbestos inspector. She also maintains the quality assurance program for TD&H’s accredited construction materials testing laboratory.

Ryan is a Civil Engineer for the Great Falls office. He has almost two decades of experience in civil engineering and has played a key role in the design, production, and management of projects since joining the firm in 2018. Ryan has a Bachelor’s degree in Civil Engineering with an emphasis in structural design and is an integral member of the TD&H team.

Debi performs a wide range of tasks at TD&H including design of water distribution and wastewater collection systems, preparation of bidding documents and specifications, and project cost estimates. Responsibilities include Federal and State grant preparation for utility projects, construction grant administration and project oversight. She also works in the industrial hygiene and environmental department of TD&H. Environmental work includes research and preparation of Phase I Environmental Site Assessments, NEPA and MEPA investigations, Categorical Exclusions and numerous other environmental documents to meet various government agency requirements. Industrial hygiene work includes asbestos inspection, sampling and reporting.

Bill has over 41 years of engineering experience involving a wide variety water resource and watershed projects. He also has experience in designing and installing various irrigation structures and systems.

Mr. McCray is the lead bridge engineer for TD&H. He has thirty years of civil engineering experience with the Montana Department of Transportation which included project management and the design of cast-in-place concrete, prestressed concrete and steel bridges. Other design experience includes sign structures, box culverts, noise walls and retaining walls. As MDT Bridge District Engineer, he gained experience in the oversight of consultant designed projects involving bridges.

Brady is a structural engineer with experience in the analysis and design of bridges, culverts, retaining walls, and buildings. He has bridge design and load rating experience from working with public and private clients. Brady is proficient with the AASHTO LRFD Bridge Design Specifications, AASHTO Manual for Bridge Evaluation, Standard Specifications for Highway Bridges, and the Montana Structures Manual. He performs project management, gravity and seismic design, QC review, plan and specification preparation, quantity estimates, and construction services.

Robb is a structural engineer intern with three years of experience designing buildings and providing construction inspection services.  He has experience designing with concrete, steel, and masonry, having contributed to a number of projects ranging from industrial and water treatment facilities to commercial buildings.  Robb has also served as a special inspector for a variety of construction projects including bridge repair, municipal water storage tanks, and multi-unit residences.  He is also building proficiency with AASHTO LRFD Bridge Design Specifications.

Mr. Vignali’s professional background includes geophysical investigation, processing, and interpretation, geochemical sampling and interpretation, environmental technician and field work services, and industrial hygiene services.  He has experience with seismic and magnetotelluric investigations, geothermal resource characterization, spill prevention, control, and countermeasure plan investigation, hydrocarbon and hazardous chemical remediation, ground water monitoring, environmental site assessments, and asbestos, lead, and mold inspections and clearances.  He is a Montana-accredited asbestos inspector and an EPA-trained lead-risk assessor.

Dan joined TD&H Engineering in 1984 and is the firm’s Surveying Department Manager. He has experience in topographic, cadastral, ALTA, boundary and surveys with plat preparation as well as construction staking. He has performed numerous railroad, road and bridge surveys, data collection and design surveys for streets, parking lots, storm drainage and sanitary sewer renovation or replacement. Dan is skilled in the use of electronic measurement and data collection equipment.

Kevin is a recent civil engineering technician graduate from Highlands College Montana and is currently working toward his professional land surveyor licence.

Troy is a fresh face on the TD&H surveying team and is a quick study. He has been with TD&H for six months and continues to work alongside Kevin and Dan, learning how to properly use the surveying equipment and provide accurate data for TD&H projects.

Cheyney is the Director of Lab Operations. He oversees all construction materials testing, quality control, and construction management activities for the TD&H Certified Materials Testing Laboratory. Beyond his laboratory oversight duties, Cheyney provides field inspection for various utility and earthwork construction projects. Mr. Lorenz has been with TD&H since 1995 most recently as a Construction Manager. He has an Associates of Science degree in Civil Engineering & Survey Technology from North Dakota State College of Science.

Mike is responsible for scheduling field personnel and laboratory testing and for daily implementation of the laboratory quality management system. He has performed a variety of field tests at military, commercial and residential job sites, including missile sites, armories, pipelines, airports, highways, hotels, warehouses, schools, retention basins and earthen dams. Mike also performs various geotechnical and construction materials testing laboratory tests on soil, aggregate, asphaltic, cementitious and other materials.

Bridger is a Lab Technician for TD&H’s AASHTO Accredited Materials Testing Laboratory. He is certified to complete various field and lab testing on asphalt, soil, aggregate and concrete materials. Bridger has a Bachelors Degree in Marketing from Montana State University.

Nicole is a Lab Technician for TD&H’s AASHTO Accredited Materials Testing Laboratory. She is certified to complete various field and lab testing on asphalt, soil, aggregate and concrete materials. Nicole is working towards a Bachelors Degree in Engineering.

Taylor has been employed by TD&H Engineering since 2014. He has been instrumental in maintaining construction quality for several school construction projects in Havre this past year. He has become very familiar with the area and the people. Taylor is responsible for assuring that the quality of the work meets or exceeds the project’s contractual requirements, and maintains the standard of excellence established by TD&H Engineering and the City of Havre. He keeps meticulous records of each project he is oversees.

In 2014, Cody joined TD&H Engineering as a Construction Project Representative. He spent a year at our Watford City office and in 2016, moved back to Great Falls and is currently fulfilling a position for a contract TD&H has with Malmstrom Air Force Base.

Steve has over 18 years of construction inspection experience involving a wide variety of systems and materials.  Projects have included; highways, parking lots, buildings, signs, water sheds and storm drains.

Mr. Klevberg has accumulated nearly 30 years of experience in geology, mining, geotechnical, hydrogeology, construction materials testing, structural analysis and design, petroleum hydrocarbon remediation, asbestos, lead-based paint, hazardous waste, indoor air quality, mold, radon and industrial noise exposure.  Peter oversees construction materials testing, environmental, and industrial hygiene personnel, and he often does field work on complex projects with overlapping requirements, potentially saving time and money for clients.

Oran provides field and laboratory inspection and construction materials testing (CMT) services, including in-place field density tests (soils and asphalt), field concrete tests (slump, air, casting cylinders and beams), asphalt/concrete coring, concrete strength tests, laboratory moisture density curves, gradations, and liquid/plastic limit tests for municipalities, utility companies, and commercial, industrial, public and private facilities.  He also performs asbestos inspections, lead-based paint (LBP) inspections, abatement air monitoring/clearances and mold inspections on industrial hygiene projects in Montana.  Mr. Grotbo conducts environmental site assessments (ESAs), hydrocarbon/leaking underground storage tank (LUST) investigations/mitigations, stormwater runoff measurement, landfill investigations, indoor air quality assessments.

Laura Hart’s career has included environmental engineering disciplines and activities. She has experience with spill prevention, control, and countermeasure plan preparation, petroleum hydrocarbon remediation, environmental site assessments, asbestos inspections, and asbestos and lead-in paint report preparation.

Curt Swets is TD&H’s Corporate CAD/GIS Manager. He has a degree in GIS and Land Planning from Montana State University and has many years of GIS experience ranging from ecological landscape analysis to GIS consulting and mapping for the telecommunications industry. He oversees the day-to-day scheduling of drafting efforts and coordinates design and review for projects of varying types and sizes.

Morris began working for TD&H Engineering in June, 1990. Morris’s work experience has involved field surveys, material testing, monitoring and plan production using “CADD” (Computer Aided Drafting and Design).

Ruth has been a drafter for TD&H since she was hired in 2001 and works primarily as a structural drafter utilizing programs such as AutoCad, Revit and Civil 3D for civil projects as needed.

Cindy was hired by TD&H Engineering in May of 2005. In addition to her work as the Administrative Manager, Cindy has provided field support for mold investigations and is an accredited asbestos inspector. She regularly compiles environmental data spreadsheets and assists with quality assurance and data checks. Her organizational skills are invaluable in enabling the company to provide high quality service.

Triston began greeting TD&H clients in July 2015. She handles incoming and outgoing correspondence as well as answering the phones to get clients in quick contact with the staff at TD&H.

Mike is a registered professional engineer with nearly two decades of experience and a Master of Science degree in Civil Engineering. His experience includes water, stormdrain and wastewater modeling for various municipalities across Montana.