MGM Resorts was responding to a directive from the Clark County Building Department, which sought a solution to public safety concerns surrounding the Harmon. Last month, a structural engineering firm said the building could collapse in a major earthquake. Perini Building Co., CityCenter's general contractor, maintains it can fix the Harmon. "Perini agrees that the fastest way to end the dispute over responsibility to repair MGM's design errors would be to blow up the building and destroy the evidence," the company said in an email. "However, that would be far from the end of the dispute.