Work commences in the next 2 weeks on both the Northern International apron expansion as well as the northern concourse expansion.2 new MARS gates will be joined to this concourse whilst on the western side of the concourse 4 new stand off walk on Bays will be introduced.MARS gates can accommodate 2 CODE F or 4 CODE C aircraft.
So basically BAYS 69-71 will be introduced on the western side of the concourse catering for 1 CODE F and 2 CODE E or 2 CODE C and 2 CODE E.
Gates 74 b,74A and 73B,73A will be the MARS gates attached to the eastern side of the new concourse.These will be dual aerobridge gates.
The ITB will then be able to handle 19 CODE F and E wide bodied aircraft or up to 26 aircraft if no CODE F aircraft are on the deck at the time.
SOURCE BAC for the drawings and article below.
http://www.bne.com.au/sites/all/file...28WEB%29_1.pdf