“We have been working with TPECI for many years. It’s really admirable how you always see projects through from conception to completion and always find a way to get it done – and done well. I am continually impressed by the results you produce! Thanks for always being willing to lend a hand.”
~Lisa Lewis
Director of Government Compliance and Safety
The Associated General Contractors of Alaska
read article3-Tier Alaska has been designing and testing new and existing residential and commercial septic systems for nearly 40 years across the interior of Alaska. From individual single-family homesites to 4-unit multi-family properties and general commercial properties, we have designed it. We work closely with the Alaska Department of Environmental Conservation on the initial design and have Licensed Professional Engineers on staff to monitor the installation and provide final certified drawings.
3-Tier Alaska is a leader in Subdivision & Road Design and Inspection. With four licensed Professional Land Surveyors and two licensed Professional Engineers on staff, 3-Tier Alaska has decades of experience, knowledge and history designing and inspecting roads throughout the interior. We are experts in navigating the Fairbanks North Star Borough Title 17 code and do whatever it takes to achieve success for our client’s land-use projects.
3-Tier Alaska has a long history and database of soils analysis and testing in the interior of Alaska. We perform soils inspections for well drilling and new septic system drainfield or for percolation tests. If you need a new water well drilled or tested, or if you’re trying to find the best location for an onsite septic drainfield, we can help.
From Subdivision Design and Land-Use consulting to Road Inspections, Mortgage Location Surveys and individual property surveys, 3-Tier Alaska is the leader in the interior of Alaska for Subdivision Design & Platting. We are experts in navigating the Fairbanks North Star Borough Title 17 and Department of Natural Resources platting requirements.
3-Tier Alaska has decades of experience and expert knowledge in Construction Surveying, having completed both large and small construction surveying projects throughout the interior of Alaska. From large runway/taxiway projects at Eielson and Fort Wainwright, to small subdivision road construction projects, we have the expertise and efficiency to get the job done.
3-Tier Alaska has a long history and deep expertise in Right-of-Way Mapping and Easements. We have nearly 40 years of surveying and mapping records, such as Property/Boundary Surveys, Records of Survey and Easement acquisitions and vacations.
3-Tier Alaska conducts engineering, design, and project management to solve complex environmental problems. Our staff customize drinking water, storm water, wastewater, and remediation systems to meet client needs.
3-Tier Alaska personnel are available to respond to spills and coordinate with regulatory agencies to remediate contaminated sites. From initial screening and delineation to site closure, TPECI has the qualifications needed to get the job done.
3-Tier Alaska has experience developing and managing large-scale environmental permitting projects for the oil and gas, utility, and mining industries thoughtout Alaska.
3-Tier Alaska is a top storm water permitting and compliance company in Alaska. We write storm water plans, act as onsite storm water managers, and with help from our partners, train storm water managers throughout the state.
Nick is the Owner & CEO of 3-Tier Alaska and leads the company with culture-first and is dedicated to employee empowerment and growth – building the company so every team member can live their best lives, both Professionally and Personally. Nick is licensed as a Professional Engineer in Alaska (No. 114848) and Washington (No. 53240) and holds his LSIT License (No. 1200). Nick obtained a B.S. Degree in Civil & Environmental Engineering from the University of Washington in 2013, and a B.A. degree from Brown University in Business Economics and Public & Private Sector Organization in 2004. He started his surveying career with 3-Tier Alaska in 1994 as a Rodman, working his way up to Party Chief, before obtaining his LSIT and PE licenses and now as Owner & CEO.
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Oliver J. Loftus, P.L.S., is the Chief of Surveys at 3‑Tier Alaska, where he manages project workflows, leads survey teams, prepares proposals, and oversees boundary verification and computation. With a B.S. in Geomatics and a minor in GIS from the Oregon Institute of Technology, as well as a B.A. in Philosophy with a Mathematics minor from the University of Alaska Fairbanks, Oliver brings both technical and analytical expertise. His experience spans remote boundary surveys across Alaska, and he is a Registered Professional Land Surveyor.
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Brett Fillipi is a Survey Field Technician with hands‑on experience in civil engineering, surveying, and construction inspection. While working as an Engineering Intern for the City of Burnsville, he assisted with infrastructure measurement, GIS data entry, GPS collection, utility locating, and field assessments for project planning. Brett holds an Associate Degree in Civil Engineering and Land Survey Technology from Dakota County Technical College, where he developed skills in GPS systems, Trimble and Leica survey equipment, construction staking, and Civil 3D drafting.
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Casey Volk is a Senior Scientist with extensive experience in environmental consulting across Alaska. With a B.S. in Wildlife Ecology and Conservation from the University of Nevada, Casey specializes site remediation, wetlands delineations, stormwater compliance, Phase I & II Environmental Site Assessments, and environmental permitting. His background also includes fisheries work with Alaska Department of Fish & Game. Casey is certified in mine safety, Hazardous Waste Operations and Emergency Response, wetland delineations, Storm Water Pollution Prevention Plan preparation, and erosion and sediment control lead.
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Connor Barr is a Staff Environmental Engineer at 3‑Tier Alaska, where he supports environmental research, site characterization, remediation, and permitting across Alaska. His work includes drafting site representations, conducting wetlands delineations, and designing water and wastewater treatment systems. Connor holds a B.S. in Civil Engineering from Washington State University and previously worked as a Biotechnology/Genomics Lab Technician, gaining experience in sterile sampling, data analysis, and laboratory operations. He is certified in HAZWOPER and erosion and sediment control.
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Emily Banks is a versatile professional with extensive experience in office management, independent marketing consulting, media, PR in Atlanta, New York, and Chicago. She has made Fairbanks, AK her home now. Known for her meticulous attention to detail and exceptional interpersonal skills, Emily thrives in fast-paced environments, ensuring smooth workflows and top-quality results. She combines creativity with precision, leveraging her experience in advertising, sales, and media to deliver impactful outcomes. Passionate about building strong relationships and driving success, Emily brings energy, professionalism, and adaptability to every role.
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Evan Weinzirl is a Staff Scientist at 3‑Tier Alaska, where he supports environmental consulting and engineering projects throughout Alaska. His work includes environmental site remediation, stormwater compliance, soil and water sampling, environmental site assessments, and GIS support. Evan previously worked as a Realty Specialist with the Bureau of Land Management and as a Natural Resource Specialist with the State of Alaska, gaining extensive experience in land and realty actions, land status research, NEPA documentation, and interagency coordination. Evan is certified in Hazardous Waste Operations and Emergency Response, Storm Water Pollution Prevention Plan preparation, and an erosion and sediment control lead.
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Griffin Thissell studied at Oregon Institute of Technology, in Klamath Falls, Oregon for four years, where he earned a bachelor’s degree in civil engineering and a minor in land surveying before graduating and moving to Fairbanks in 2025. He has since earned both is LSIT and EIT certifications. While he has a knowledgeable background in civil engineering, Griffins primary experience is in surveying. He has experience surveying large construction sites including skyscrapers, hospitals, schools, stadiums, and more. Here at 3-Tier Alaska, his work has been targeted towards boundary surveying, land development, and navigating the Fairbanks North Star Borough Title 17 code on various projects. He aims to be licensed in both land surveying and civil engineering soon. Griffin is an ambitious, young surveyor and engineer that brings a lot of valuable knowledge and experience to the table for 3-Tier Alaska and our clients.
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Jessica Knowles, EIT, is a Senior Scientist at 3‑Tier Alaska, where she leads the Fairbanks Environmental Consulting Group and oversees project management, client coordination, and proposal development. With a B.S. in Environmental Engineering from Syracuse University, she brings extensive experience in contaminated site investigations, environmental sampling, stormwater management, wetland permitting, NEPA compliance, and preparation of environmental plans. Jessica’s background includes over a decade of consulting work, supported by certifications in erosion control, environmental professionalism, HAZWOPER, and construction quality management.
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McKenna started at 3-Tier Alaska in 2022 and has since become integral to the company. She graduated from the University of Alaska, Fairbanks in 2021 with a B.S. in Civil Engineering. She has experience with reading plans and specifications, drafting Mortgage Location Surveys, Subdivision Design & Platting, As-Built Surveys, ALTA Surveys, and various other design surveys. She is proficient in AutoCAD Civil 3D and Microsoft Excel and routinely produces plan sets for residential and commercial developments. McKenna has worked on over 1,000 projects within the company, has drafted large commercial projects, and has a strong grasp of drafting systems within AutoCAD Civil 3D.
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Michaela is a senior scientist with over ten years of experience in environmental consulting on projects throughout the state of Alaska. She received a Bachelor of Science degree in Biology and minor in Chemistry from Rocky Mountain College. She has extensive experience supporting environmental compliance and construction related projects across the interior including military project coordination. Michaela provides project management, client coordination and proposal management along with hands on field expertise in groundwater and soil sampling, monitoring well oversight and site characterizations on a variety of project sites. Her technical background includes the development of Storm Water Pollution Prevention Plans (SWPPPs), Erosion and Sediment Control Plans (ESCPs), Phase I ESAs, Wetland delineation work and other regulatory and permitting documents. She has a strong understanding of Alaska specific environmental requirements, Michaela is committed to delivering practical, compliant solutions that support successful project outcomes. Michaela currently holds and maintains the following certificates; Alaska Certified Erosion & Sediment Control Lead (AK CESCL), Certified Environmental Stormwater Compliance Professional (CESCP), Wetland Delineation Certification, First Aid/CPR/AED, and OSHA HAZWOPER.
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Olivia Miller is the Chief Financial Officer and Accountant for 3‑Tier Alaska, providing strategic financial leadership across the organization. She oversees financial planning, reporting, cash flow management, and internal controls, ensuring operational discipline and long‑term stability. Olivia works closely with executive leadership and external partners to support informed decision‑making and guide the company’s continued growth.
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Robert A. Keith is a Party Chief with ten years of land surveying experience, skilled in operating total stations, GPS, digital levels, and advanced scanning equipment. He has performed DOT preliminary surveys, ALTA and boundary surveys, construction layout, and aerial target controls. Robert previously served as a Senior Party Chief for Civil Corp in Texas and as a U.S. Army Military Police Squad Leader, earning achievement awards for leadership, performance, and training excellence.
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Ryan Hunt is a Project Manager at 3-Tier Alaska with 22+ years of experience in land surveying, engineering support, and land development across Alaska. He has worked on more than 3,500 projects, specializing in boundary surveys, subdivisions, GNSS post-processing, construction surveying, and easement creation. His background includes roles as Party Chief, Engineering Technician, and survey rodman, with extensive experience in site planning, water and wastewater inspections, road design, and project coordination. He holds multiple technical certifications, including Civil 3D CAD and GNSS processing.
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Ryan is a senior scientist and general manager at 3-Tier Alaska (formerly, Travis/Peterson Environmental Consulting). From the Arctic to the Aleutians, Ryan has accumulated 20-years of experience working in some of the most remote parts of the state of Alaska generating a diverse portfolio of work specializing in wetland delineations, environmental permitting, field biology, contaminated site characterization, and cleanup. Ryan also oversees technical reporting and coordinates with clients and regulatory agencies always with the goal of moving projects forward responsibly and efficiently. At the core of his philosophy, Ryan simply believes the best work comes from collaboration and thoughtful, well-executed field science. He received his M.S. from Alaska Pacific University in Anchorage.
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Ryan Peterson is a Senior Scientist with over 21 years of experience. He worked extensively on ACOE construction projects around the state for several clients. Ryan has a B.A. in Geography from the University of Alaska Fairbanks along with AK-CESCL, ACOE Construction Quality Management for Contractors, and HAZWOPER Certifications amongst others. He currently manages the field work for the Fairbanks office.
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Alice joined 3TA in Summer 2025 as an Environmental Technician after graduating with her B.S. in Environmental Engineering from Michigan Technological University. She now works as a Staff Scientist on a variety of projects including wetland permitting, contaminated sites monitoring and remediation and SWPPP compliance.
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Beatrice joined forces with 3-Tier Alaska 2023 and has quickly become a versatile contributor to the firm’s multidisciplinary work across the company. Holding a B.S. in Mechanical Engineering from Virginia Tech, Beatrice’s expertise shines through her mastery of CAD drafting and modeling applied to survey, civil, and wastewater projects. She diligently works on mortgage location surveys, subdivisions, environmental sampling, and engineering plans, engaging closely with clients and regulatory agencies when required. Whether she is crafting a meticulous technical drawing or managing an environmental cleanup and sampling effort, Beatrice’s dedication to her work ensures high-quality deliverables and service for our clients.
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