Denver city officials and business leaders converged atop the Thursday to celebrate the completion of an 80,000-square-foot rooftop ballroom — part of a project that’s a decade and . The project hit several hurdles, including a bid-ridding scandal, but the focus at the ribbon-cutting ceremony was on the boost in downtown spending and tax revenue the expansion is expected to deliver. The new flexible space, dubbed the Bluebird Ballroom, comes with an outdoor terrace. It’s part of an estimated 250,000-square-foot expansion at the convention center that is , according to an online dashboard tracking its progress. The ballroom’s coming…
