Project Details

Over a five-month period, Mascaro constructed a new post-tensioned concrete building inside the existing shell. Interior construction involved working over the top of the subway, protecting the existing rotunda columns during construction, and increasing floor-to-ceiling heights for mechanical and electrical system requirements. 

  • Renovation/restoration
  • 200,000 square feet
  • 18 months of construction
  • Design-build

Location: Pittsburgh, Pennsylvania

Owner: Allegheny County Dept. of Public Works

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Project Characteristics

Historic, Renovation, Delivery Method

Project Characteristics

Historic, Renovation