About the Pyramid

• Number of floors: 48
  
  
• Largest Floor: The fifth, measuring 145 feet per side and containing 21,025 square feet of space
  
  
• Smallest floor: the 48th, measuring only 45 feet per side and containing 2,025 square feet of space
  
  
• Total space: 530,000 square feet
  
  
• Total height: 853 feet, including the 212-foot spire
  
  
• Number of elevators: 18, with two reaching the top floor
  
  
• Number of windows: 3,678
  
  
• Type of base: Four-level, multi-use, including lobby, restaurant and garage
  
  
• Components of base: Approximately 16,000 cubic yards of concrete, encasing more than 300 miles of steel reinforcing rods.
  
  
• Exterior material: White precast quartz aggregate
  
  
• Excavation commenced: December 1969
  
  
• Depth of excavation: 52 feet
  
  
• Depth of concrete mat foundation: Nine feet, the result of a 24 hour continuous concrete pour
  
  
• First steel placed: November 1970
  
  
• First occupancy: Summer 1972
  
  
• Number of people working in the Pyramid: More than 1,500, employed by more than 50 firms
  
  
• Maximum number of parking spaces in the building's underground garage: 280
  
  
• Architect: William L. Pereira & Associates
  
  

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