The weight of ANC’s kinetic scoreboard planned for Wells Fargo Center requires upgrades along the roofline. (Courtesy Wells Fargo Center) The roof retrofit issue isn’t restricted to stadiums. Big league arenas are strengthening their existing roof structures to meet the demands of high-tech videoboards and extravagant touring productions. “Arenas built over the past 15 years are really struggling to keep up with where concerts are going these days,” said Bart Miller, a principal with Walter P Moore, a structural engineering firm for sports and entertainment venues. A decade ago, arena rooflines were designed with 120,000-pound rigging capacity. Now, many concert tours carry 200,000 pounds of equipment, and any rigging system under that number is not adequate for what’s going on in the entertainment industry, Miller said. “The loading is getting heavier and more widespread, distributed over a much larger area than it used to be,” he said. “Some loads are… Continue Reading Arenas Are Facing New Roof Issues, Too