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Photographer Unknown (2657) Neighborhood Loop (Chicago, Ill.) (2656) Columbus Drive (Chicag... (176) Michigan Avenue (Chica... (86) Monroe Street (Chicago... (79) Randolph Street (Chica... (7) Show more... Subject.TGM Construction Workers (1088) Hoisting Machinery (1030) Structural Systems (892) Skyscrapers (887) Steel (839) Show more...

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	Title:	Subject.TGM:	Description:

201.	Jay Pritzker Pavilion, structural steel encased in rebar, ca. August 26, 2002	Concrete; Ladders; Construction workers; Scaffolding;	Structural steel was encased in rebar and formwork prior to concrete being poured.

202.	Jay Pritzker Pavilion, structural steel and formwork, ca. July 17, 2002	Concrete; Ladders; Construction workers; Skyscrapers;	Structural steel was encased in rebar and formwork prior to concrete being poured.

203.	Jay Pritzker Pavilion, cast concrete wall, February 6, 2003	Concrete; Skyscrapers;	Close up view of a cast concrete wall on the west side of Jay Pritzker Pavilion during construction. The tops of the Smurfit-Stone Building and One Prudential Plaza are visible in the background.

204.	Jay Pritzker Pavilion, structural steel and formwork, July 17, 2002	Concrete; Skyscrapers; Construction workers; Hoisting machinery;	As structural steel was erected, formwork was put in place prior to concrete being poured.

205.	Jay Pritzker Pavilion, formwork, rebar and structural steel, ca. May 2002	Concrete; Skyscrapers; Construction workers; Hoisting machinery; Ladders;	Concrete formwork and rebar, or reinforcing bar, as well as structural steel, are visible as the basic structure begins to take shape.

206.	Jay Pritzker Pavilion, formwork and rebar, ca. December 6, 2002	Concrete; Skyscrapers; Construction workers; Pipes (Conduits);	Looking northeast toward the Pavilion during its construction. Formwork and rebar are visible where concrete had not yet been cast.

207.	Jay Pritzker Pavilion, formwork and rebar, ca. May 2002	Concrete; Skyscrapers; Construction workers; Trees;	Concrete formwork and rebar, or reinforcing bar, are visible as the basic structure begins to take shape. The Michigan Avenue street wall is visible in the background.

208.	Jay Pritzker Pavilion, structural steel and concrete, ca. September 19, 2002	Concrete; Skyscrapers; Flags; Cantilever construction; Hoisting machinery; Pails; Construction workers; Sawhorses; Ladders;	Structural steel was encased in concrete as the Pavilion began to take shape.

209.	Jay Pritzker Pavilion, formwork, ca. April 2002	Concrete; Skyscrapers; Hoisting machinery;	Looking west toward formwork for concrete. The Michigan Avenue street wall is visible in the background.

210.	Jay Pritzker Pavilion, cast concrete and formwork, ca. April 2002	Concrete; Skyscrapers; Hoisting machinery; Ladders; Sawhorses;	Looking northwest toward the construction site where concrete structures and formwork are visible. The Chicago Cultural Center, formerly the Chicago Public Library, is visible in the background.

211.	Jay Pritzker Pavilion, concrete foundation, ca. April 2002	Concrete; Skyscrapers; Hoisting machinery; Reflections;	Looking northwest toward the construction site where concrete structures forming part of the Pavilion's foundation are visible.

212.	Jay Pritzker Pavilion, cast concrete stairs, May 29, 2003	Concrete; Stairways;	Partially completed cast concrete stairs during the construction of Jay Pritzker Pavilion.

213.	Cloud Gate, SBC Plaza, March 22, 2004	Concrete; Structural systems; Trusses; Construction workers; Grinding machines; Hoisting machinery; Skyscrapers; Stairways; Steel; Construction equipment;	A worker grinds the concrete surface of SBC Plaza, along the steps. Pritzker Pavilion is visible in the background.

214.	Cloud Gate, SBC Plaza, March 22, 2004	Concrete; Structural systems; Trusses; Skyscrapers; Construction workers; Construction equipment; Steel;	Looking northwest toward SBC Plaza and the structural steel of the sculpture.

215.	Cloud Gate, SBC Plaza, March 22, 2004	Concrete; Structural systems; Trusses; Skyscrapers; Hoisting machinery; Construction workers; Construction equipment; Steel; Stairways; Grinding machines;	A worker grinds the concrete surface of SBC Plaza, along the steps. Pritzker Pavilion and the buildings along East Randolph Street are visible in the background.

216.	Cloud Gate, SBC Plaza, March 10, 2004	Concrete; Structural systems; Trusses; Steel; Construction workers; Construction equipment; Pipes (Conduits);	Looking southeast toward the partially built sculpture. SBC Plaza is under construction.

217.	Jay Pritzker Pavilion, rebar along western edge, April 17, 2002	Concrete; Trees; Skyscrapers;	View of rebar along the western edge of the site, prior to being cast in concrete.

218.	Jay Pritzker Pavilion, structural steel for the headdress, August 10, 2003	Construction equipment;	Looking down from scaffolding toward structural steel for the Pavilion's headdress. Steel panels that have been attached to the headdress are visible at left.

219.	BP Bridge, newly installed shingles, February 13, 2004	Construction equipment; Signs (Notices); Skyscrapers; Hoisting machinery; Snow;	View of newly installed stainless steel shingles, or "scales", on a curve of the BP Bridge. The tops of North Pier Apartments and Lake Point Tower are visible in the background.

220.	BP Bridge, newly installed shingles, October 13, 2003	Construction equipment; Skyscrapers; Cantilever construction;	View of newly installed stainless steel shingles, or "scales", on the BP Bridge. The structural steel for the headdress of the Jay Pritzker Pavilion is visible in the background.