Ironworkers Kale General and Daniel Puentes, of Niagara Rigging & Erecting Co. in Niagara Falls, walk a fine line 40 feet above the ground as they assemble the framework of what will be the atrium in the new home of the Goodman School of Business. The $22-million project, which will incorporate 79,000 square feet of new and renovated space, is scheduled for completion by December 2018.