In Casper, Wyo., all eyes are on 92-year-old Natrona County High School. Crews have been on site for three years restoring its historical elements, blending old with new in a complicated $138-million, six-phase project.

“Typically you’d build a new high school and then demolish the old one,” says David Jaeger, project manager for AP Wyoming, a subsidiary of Adolfson & Peterson Inc. (AP), the project’s construction manager at-risk. “This is not the norm.”