Sitts & Hill Engineering Square

The Boeing Company - Dual Zone Upper Spar Mill

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The Boeing Company - Dual Zone Upper Spar Mill

This project consists of a 33’ wide x 150’ long x 5’ thick mill foundation and two 3’ wide x 6’ high x 132’ concrete curbs for a total of 840 cubic yards of concrete. For the increased compressed air demand to operate the mill, we designed to reinforce the roof of an adjacent building to support a 7,200-lb air dryer.

Project Features
  • Structural
  • Heavy Industrial
  • Utility Coordination
  • Mass Concreting