The plan comprises large, open floor plates either side of a broad central spine of vertical circulation, voids and service spaces. The exhibition levels step at half levels to each other either side of the spine, allowing visitors to orient themselves and for a sequential experience of the exhibits. The exhibition spaces are varied in size to cater for a range of exhibit sizes. The offices on Levels 5 and 6 access generous garden balconies on the northeastern side with views across the lower QAG to the Brisbane River.