Factory Build-Out – Tukwila, Washington

Dahlgren was asked to provide design assistance and construction on a series of fast-track elements at a recently re-activated aircraft production building in Tukwila while active aircraft production occurred immediately adjacent to the work area.

Special coordination was performed early on with the design team to provide constructability review and sequence design packages to expedite construction, and budgeting/cost reporting was performed for our client at each stage during design and construction.

The project consisted of multiple scopes and phases, including:

  • Construction of new aircraft service pits within the new factory floor and new epoxy floor coatings
  • Renovation and restoration of existing hangar doors with the addition of new movable tail door elements to fit the aircraft tail profiles,
  • A new convenience store build-out within the office area of the facility,
  • New storage and parts area with structural steel structure and lid,
  • Removal of existing site elements and reconfiguration of the site paving and striping,
  • Overhead crane modifications
  • New Roofing and Rooftop AHU work (over 200,000sf)
  • Added Aircraft Cooling systems (remote AC units) with associated piping and connections

Work was completed on time to meet critical production milestones, supporting the adjustment from two production positions within the building to six, including a “moving line” of five consecutive positions from east to west.

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