The Miles Stair is a 12-foot-wide helix of white concrete that winds through five stories of Somerset House, a cultural center in London. Staircases typically use surrounding walls for support, but ...
PORTSMOUTH — Summit Engineering received a national award for the work it did on a technically challenging five-story spiral staircase in the atrium at Northeastern University’s new science center.
The Poplar Bluff Historic Depot’s grand staircase was placed on the National Historic Register in 1994, and although it greatly deteriorated over the years, it remained an active thoroughfare and ...
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