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Wyoming State Capitol

Cheyenne, WY

This restoration project was a continuation of the Wyoming State Capitol Square master plan, which involved an assessment and investigation of the 130-year-old National Historic Landmark. The late 1800s Renaissance Revival building is also listed on the National Register of Historic Places.

  • The project team removed a third-floor infill in order to reconstruct a two-story historic Supreme Court Chamber and viewing gallery.
  • Elevators were relocated to open up the central corridor and reconnect the House and Senate Chambers.

New MEP, fire protection, and IT/AV systems were routed throughout the building’s various structural systems – timber, steel, corrugated iron arches and cast-in-place concrete. This involved underpinning the load-bearing masonry walls to allow routing of new below-grade mechanical systems, limiting impacts on historic spaces. Original heating shafts were removed and reconstructed to provide pathways for new systems.

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