Tacoma Dome Rigging Grid Project

• Grid Dimensions: 400’ x 160’ (world’s largest supergrid)
  
• Grid trim height 80’-4” at catwalk surface
  
• Over 8,100 feet of truss
  
• Total Cable used – 47,661’ (Just over nine miles)
  
• An estimated 2.5 miles of welding
  
• Over 395 support points on the dome [112 for seismic cable attachment, 8 for access bridges and over 275 for supporting the grid
  
• Maximum truss grid capacity of 625,000 pounds
  
• Capable of supporting a 2 ton motor at any location
  
• Over 825 bridle legs
  
• Fall protection lines provided over each truss
  
• Five catwalk access points to the grid