Structural Engineering in Nunam Iqua, AK

Structural Engineering in Alaska: what governs your project

Alaska has the highest seismic hazard in the nation — the 1964 Good Friday earthquake (magnitude 9.2) remains the largest ever recorded in North America. High seismic design categories are common, demanding rigorous seismic detailing. Snow loads are extreme in coastal mountain areas, with some of the heaviest annual snowfall on the continent. Permafrost — continuous in the north, discontinuous in the interior — can make conventional foundations impossible without thermal or pile solutions.

Permitting & plan check

Anchorage, Fairbanks, Juneau, and the Mat-Su Borough run full municipal plan review and inspection programs. Outside organized boroughs and cities, local building permitting is minimal and projects rely on state agency approvals (ADEC, ADOT&PF, DNR) rather than local building departments.

Good to know

• The 1964 magnitude 9.2 Good Friday earthquake is the most powerful earthquake ever recorded in North American history.
• Permafrost underlies the majority of Alaska's land area, dictating foundation and utility design across the state.
• Alaska administers its own stormwater program (APDES) rather than operating under direct federal NPDES permitting.

Every discipline, one team