McGough hosted a “topping off” ceremony on December 13th for Grinnell College’s new Humanities & Social Sciences Complex (HSSC). The HSSC project is a 207,799 sf renovation and expansion of two existing academic buildings into one unified complex that includes classrooms, offices, auditorium, and academic support offices. Attending the ceremony were representatives from Grinnell College, including President Raynard Kington; owner’s agent CMPI; and McGough Construction.