What isn his fire report you Have?
There are fire consultants out there. Pretty common as every new building needs a fire report. The fire report details all the fire measures necessary for that building. If you get a fire report it’s designis to the current fire safety requirements. The fire report will also detail the requirements of the AFSS.
I have heard that in some cases the council will allow some non compliances because of an old building not being compatible with new requirements ( one I can think of is installing fire hydrants on each floor. In some buildings it’s impossible beacuse it makes the egress path too narrow).
Having said that, bringing an old building up to modern fire standards is going to be real expensive . You will need a special levy and possibly look at a strata loan.
If you have an order from the council, there are big fines for not complying or dragging your feet.