Atlanta Marriott Northwest at Galleria – Ballroom Expansion is an approximately 30,000 S.F. expansion of the existing ballroom at the Atlanta Marriott Northwest located in Atlanta, GA. The project consists of a one-level, below-grade, cast-in-place parking structure with approximately 20 parking spaces; and a single-level, high ballroom structure above wrapped by a single-level, low structure for pre-function activities, portions of which are supported by the parking structure below.