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Unknown (10)

Neighborhood
Loop (Chicago, Ill.) (10)
Michigan Avenue (Chica... (1)

Subject.TGM
Skyscrapers (6)
Scaffolding (3)
Steel (3)
Industrial Facilities (2)
Structural Systems (2)
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 Image: Title: Subject.TGM: Description:
1. Cloud Gate, fabrication, December 17, 2002 Cloud Gate, fabrication, December 17, 2002 Machinery; Steel; Industrial facilities; Machine shops A steel plate beneath a precision measuring device called a Faro arm. A Faro arm is an automated scanning device that checks measurements against computer models and calculates whether they are within...
2. Cloud Gate, trial assembly in Oakland, California, rigging, September 18, 2003 Cloud Gate, trial assembly in Oakland, California, rigging, September 18, 2003 Trusses; Structural systems; Steel; Close-up view of the temporary rigging system used to hold the steel plates into place during assembly. The cables were removed once the sculpture was completely seam-welded. The finished sculpture is...
3. Cloud Gate, attaching steel plates, April 1, 2004 Cloud Gate, attaching steel plates, April 1, 2004 Structural systems; Trusses; Steel; Construction equipment; Skyscrapers; Looking northwest toward the partially completed sculpture as a steel plate is moved into place. Each plate was covered with a protective film to maintain its polished surface before being transported...
4. Cloud Gate, assembly complete, July 12, 2004 Cloud Gate, assembly complete, July 12, 2004 Leaves; Automobiles; Trees; Public sculpture; Skyscrapers; Looking east across Michigan Avenue toward Cloud Gate. The sculpture was fully assembled by the end of June 2004, and was unveiled to the public the next month, although it remained incomplete until it...
5. Cloud Gate, sander, May 25, 2005 Cloud Gate, sander, May 25, 2005 Equipment Once the seams had been ground, the sculpture's surface was treated with a 15 pound air-driven belt sander (sometimes referred to as a road grader), pictured here. All of the tools used in grinding and...
6. Crown Fountain, assembly in Melbourne, Florida, ca. March 24, 2004 Crown Fountain, assembly in Melbourne, Florida, ca. March 24, 2004 Industrial facilities; Structural frames; Glass blocks; Fans (Machinery); Pails; Shelving; Once the glass bricks were made by L.E. Smith in Mt. Pleasant, Pennsylvania, they were sent to the offices of Circle Redmont, Inc., to be assembled into steel grids, shown here.

In Plensa’s...
7. Jay Pritzker Pavilion, newly installed steel panels, May 13, 2003 Jay Pritzker Pavilion, newly installed steel panels, May 13, 2003 Hoisting machinery; Construction workers; Skyscrapers; Scaffolding; Looking northwest toward the newly installed steel and aluminum panels on the west side of the headdress. Once these steel and aluminum panels were installed onto the yellow back up structure, the final...
8. Jay Pritzker Pavilion, constructing the trellis and headdress, ca. October 17, 2003 Jay Pritzker Pavilion, constructing the trellis and headdress, ca. October 17, 2003 Hoisting machinery; Scaffolding; Cantilever construction; Skyscrapers; Looking north toward the Jay Pritzker Pavilion as work continues on the headdress, the stage and the trellis. The trellis, which delivers the sound system to the audience on the Great Lawn, is comprised...
9. BP Bridge, landscaping, March 16, 2004 BP Bridge, landscaping, March 16, 2004 Pipes (Conduits); Skyscrapers; View of part of the BP Bridge and the adjacent area before it was filled in with landscaping materials. Stainless steel shingles or "scales" are visible on the side of the Bridge. The area on the Bridge...
10. BP Bridge, spanning Columbus Drive, November 22, 2003 BP Bridge, spanning Columbus Drive, November 22, 2003 Construction workers; Welding; Girders; Scaffolding; Skyscrapers; Once the box girders were lowered into place they were secured together with bolts and then welded together for strength.
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