A California investor has purchased an Irving office project. The Atrium at Campus Circle office building is at 5800 E. Campus Circle, near the intersection of Bush Turnpike and John Carpenter Freeway in Las Colinas. Trinity Interests arrangd the purchase of the 85,000 square foot building. Wells Fargo Bank financed the acquistion. The same investor also acquired a 74,000 square-foot building at 1901 Gateway Drive in Las Colinas. Beverly Heflin and Denise Rachal of Trinity Interests brokered both sales. Trinity Interests has been in business since 1984 and manages more than 5 million square feet of office, retail, and industrial space.