“For over 30 years we have used 3TA services. We are very satisfied with their high caliber engineering and land surveying services as reflected in Brookside Park, a new residential and commercial development in North Pole Alaska.”    ~ Jerry Koerner

Civil Engineering

3-Tier Alaska has been designing, inspecting and testing Onsite Wastewater Systems for over 30 years in both the residential and commercial markets.  From your typical single-family onsite septic system, to more complex multi-family or commercial wastewater systems requiring ADEC Engineering Support & Plan Reviews, we have done it all.  With two licensed Professional Engineers on staff and more than 50 years of combined Wastewater Engineering experience, we have the deep domain expertise and experience to help you solve any of your onsite wastewater issues.

 septic system grinder pump

Septic System Design
and Testing

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 road design and inspection

Road Design
and Inspection

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soil analysis and testing

Soil Analysis
and Testing

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“For over 30 years we have used 3TA services. We are very satisfied with their high caliber engineering and land surveying services as reflected in Brookside Park, a new residential and commercial development in North Pole Alaska.”    ~ Jerry Koerner

Septic System Design and Testing

3-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.

Road Design and Inspection

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.

Soils Analysis and Testing

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.

Subdivision Design & Platting

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.

Construction Surveying

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.

Rights-of-Way & Easements

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.