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 Image: Title: Subject.TGM: Description:
1. BP Bridge, installing the shingles, January 9, 2004 BP Bridge, installing the shingles, January 9, 2004 Construction workers; Snow; Scaffolding; Skyscrapers; Looking northeast toward the BP Bridge as workers continue to install the stainless steel shingles, or scales” onto the Bridge. If you look closely at the ladders the workers are using, you’ll see...
2. BP Bridge, installing the shingles, March 22, 2004 BP Bridge, installing the shingles, March 22, 2004 Construction workers; Ladders; Less than four months before the opening of Millennium Park, workers continue to install the stainless steel shingles, or “scales” onto the paneling over the subframe of the Bridge. Protected by a...
3. BP Bridge, installing the wooden planking, February 13, 2004 BP Bridge, installing the wooden planking, February 13, 2004 Construction workers; Streets; Hammers; Construction equipment; Skyscrapers; The 20-foot wide surface of the BP Bridge is decked with Pau Lope wood, a Brazilian hardwood similar to teak. It is extremely durable and was harvested using sustainable practices. A drawback to using...
4. BP Bridge, rebar, concrete foundation ramp, September 12, 2003 BP Bridge, rebar, concrete foundation ramp, September 12, 2003 Construction workers; Looking east toward Daley Bicentennial Plaza as the construction of the BP Bridge continues. Here, reinforcing bar, or rebar, is in place before a top layer of concrete is added.
5. BP Bridge, rebar, concrete foundation ramp, September 12, 2003 BP Bridge, rebar, concrete foundation ramp, September 12, 2003 Construction workers; Wheelbarrows; Skyscrapers; A view of the eastern approach ramp of the BP Bridge in Daley Bicentennial Plaza.
Like most of Millennium Park, the BP Bridge is built upon an underground parking garage and this presented construction...
6. BP Bridge, spanning Columbus Drive, November 22, 2003 BP Bridge, spanning Columbus Drive, November 22, 2003 Hoisting machinery; Girders; Scaffolding; Construction workers; Streets; Skyscrapers; On November 22, 2003, Columbus Drive was shut down to traffic in both directions for 12 hours to allow the Bridge’s spans over Columbus Drive to be put into place. Three box girders were hoisted into...
7. BP Bridge, spanning Columbus Drive, November 22, 2003 BP Bridge, spanning Columbus Drive, November 22, 2003 Hoisting machinery; Construction workers; Girders; The central box girder is lowered into place on top of a central concrete pier in the median strip of Columbus Drive during a 12-hour period when the busy six-lane road was closed to traffic.
The...
8. BP Bridge, spanning Columbus Drive, November 22, 2003 BP Bridge, spanning Columbus Drive, November 22, 2003 Girders; Construction workers; Hoisting machinery; Streets; Scaffolding; Skyscrapers; Fog; The final box girder is lowered into place by a crane as Columbus Drive is closed to traffic for a 12-hour period.
The structural steel for the Bridge was made by Littell Steel of Pittsburgh, Pennsylvania,...
9. 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.
10. BP Bridge, spanning Columbus Drive, November 22, 2003 BP Bridge, spanning Columbus Drive, November 22, 2003 Girders; Hoisting machinery; Construction workers; Scaffolding; Cantilever construction; Skyscrapers; A close-up view showing where one of the box girders meets the eastern approach concrete ramp. In this photograph the second box girder is being held in place by a crane while it is secured to the concrete...
11. BP Bridge, structural steel, November 12, 2003 BP Bridge, structural steel, November 12, 2003 Construction workers; Ladders; Surveying equipment; Skyscrapers; Work continues on the eastern approach ramp of the BP Bridge as the subframing for the stainless steel shingles transforms the structure to look like a rollercoaster! As was the case for constructing the...
12. BP Bridge, subframing for shingles, October 1, 2003 BP Bridge, subframing for shingles, October 1, 2003 Structural frames; Construction workers; Hoisting machinery; Trees; Skyscrapers; Adding the subframing along a curve of the concrete approach ramp in Daley Bicentennial Plaza. The subframing provides support for the stainless steel shingles, or “scales,” that will form the surface...
13. Cloud Gate, attaching steel plates, Anish Kapoor's visit, May 10, 2004 Cloud Gate, attaching steel plates, Anish Kapoor's visit, May 10, 2004 Steel; Tents; Construction workers; Artist Anish Kapoor (right) inspects the partially completed sculpture. As is his practice Anish Kapoor did not name his sculpture until it was fairly well complete. The unnamed installation was affectionately...
14. Cloud Gate, attaching steel plates, April 1, 2004 Cloud Gate, attaching steel plates, April 1, 2004 Construction workers; Steel; Trusses; A worker climbs along the supporting steel of the partially completed sculpture while attaching steel plates. The tension of the cables and springs was adjusted constantly as construction continued to...
15. Cloud Gate, attaching steel plates, April 14, 2004 Cloud Gate, attaching steel plates, April 14, 2004 Structural systems; Structural frames; Trusses; Steel; Hoisting machinery; Skyscrapers; Construction workers; Pickup trucks; I-beams; Looking northwest toward the partially completed sculpture over which a weatherproof tent is being constructed. Buildings visible in the background include the Smurfit-Stone Building, and Millennium Park...
16. Cloud Gate, attaching steel plates, April 23, 2004 Cloud Gate, attaching steel plates, April 23, 2004 Tents; Structural frames; Structural systems; Automobiles; I-beams; Construction workers; Construction equipment; Skyscrapers; Plywood; Looking northwest toward the site of the partially completed sculpture over which a weatherproof tent has been erected.
17. Cloud Gate, attaching steel plates, April 29, 2004 Cloud Gate, attaching steel plates, April 29, 2004 Steel; Construction workers; Structural systems; Bolts & nuts; Project supervisor Nick Taylor of Performance Structures, Inc. fastens two plates together using nuts and bolts. The bolts temporarily held the plates in place, until they could be seam-welded together....
18. Cloud Gate, attaching steel plates, June 5, 2004 Cloud Gate, attaching steel plates, June 5, 2004 Steel; Trusses; Structural systems; Tents; Construction workers; Hoisting machinery; Workers adjust cables and rigging on the partially completed sculpture. The cables and rigging held the steel plates in place temporarily until they were all welded together, creating a self-supporting...
19. Cloud Gate, attaching steel plates, June 5, 2004 Cloud Gate, attaching steel plates, June 5, 2004 Steel; Trusses; Structural systems; Tents; Construction workers; Pails; Inside view of the partially completed sculpture showing the structure of iron trusses, cables and rigging, that temporarily held the steel plates in place while the sculpture was assembled. A worker is...
20. Cloud Gate, attaching steel plates, March 29, 2004 Cloud Gate, attaching steel plates, March 29, 2004 Structural systems; Trusses; Steel; Dollies (Moving equipment); Construction workers; Skyscrapers; Individual steel plates in cradles surround the partially assembled sculpture at SBC Plaza. The Michigan Avenue street wall is visible in the background.
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