Relocating an Airport Runway to Protect a Forest

Challenge

A protected old-growth forest of red and white pine trees, located in the Minnesota Department of Natural Resources’ Scientific and Natural Area, was growing into the approach and departure surfaces at the Duluth Sky Harbor Airport. The path had to be altered.

Solution

To accommodate the protected forest, the SEH team came up with a solution to shorten and rotate the runway. Because this adjustment placed the runway into Superior Bay, a berm was built and back-filled to support the new runway.

Features

  • Old-growth forest protection
  • 2,600-foot runway
  • Runway rotated 5 degrees
  • Perimeter berm

Project
Sky Harbor Airport Runway Relocation

Location
Duluth, Minn.

Client
City of Duluth

Services

  • Airport Engineering and Construction
  • Airport Planning
  • Environmental Permitting and Compliance