 In the main building, the work involved splitting the original two-story lobby into two floors, with additional meeting rooms on the upper level, and the renovation of the guest rooms, reducing their number to 289.It also included the addition of a new 230-room, 8-floor hotel annex atop a 5-story parking garage built in 1928, across Commerce Street from the hotel and linked to the main building by a skybridge.The Sheraton closed in 1979 and the hotel was then gutted and restored by architects Jarvis, Putty, Jarvis.