This $193.9 million project encompassed a major reconfiguration of the riverfront Cobo Center building and facilities. Phase IIIB included:

• Construct new 30,000-square-foot Atrium. (Completed September 2013)
• Redevelop the former Cobo Arena as a 40,000-square-foot Grand Ballroom, with a pre-function area, new central kitchen, Food Court, and additional meeting rooms. (Completed September 2013)
• Redevelop the south side of the building along the Detroit River to reorganize space and create pre-function areas, new meeting, and breakout rooms, two new junior ballrooms, and integrate the space with the new Atrium. Create back-of-house storage and service circulation areas. Create new glass-enclosed exterior wall. Add escalators, elevators, and lobbies to access the room parking, new administration offices, and Atwater Street/Atrium; renovate Atwater Street entrance and add drop-off – turnaround adjacent to Joe Louis Arena. (Level 3 meeting room and corridor renovations completed December 2013; Level 1 and 2 renovations completed November 2014)
• Redevelop east facade, with new exterior skin to improve appearance and energy efficiency. Create lounge seating overlooking the main concourse. Install 4,800-square-foot and 2,900-square-foot high-tech video walls into a new entrance canopy and north atrium. (North Entrance and Video Wall completed December 2014; South Entrance Canopy and Video Wall completed September 2014)
• Redevelop the east side of building to make its customer space and circulation areas compatible in design with other new parts of Cobo Center. Create more usable space in the main concourse. Consolidate existing food areas with the new Food Court. Reconfigure current offices as rentable customer space. (Completed December 2014)
• Redevelop Michigan Hall to coordinate its appearance with the new Atrium. Install energy-efficient lighting. Update communications infrastructure. (Completed December 2014)
• Create new building offices to increase available rental space in central areas, and improve access to service and customer areas. (Completed June 2014)