Construction of the Barrel Vaulted Steel Roof

Completed end arch, facing west, September 25, 2000.

Sunrise on The Kimmel Center arch, September 28, 2000.

Progress on the barrel vaulted roof; view of counterweight cables, November 14, 2000.

Sections of trusses sit on the roof of Verizon Hall. The first section is in place on the end arch, November 13, 2000.

A section of the first truss is lowered into place on the end arch by the tower crane, November 13, 2000.

The first truss on the barrel vaulted roof, November 14, 2000.

Barrel vaulted roof steel in the snow, December 22, 2000.

Steel workers on the trusses, March 14, 2001.

Installing glass on the steel roof, March 27, 2001

The tower crane under the vaulted roof, April 5, 2001.