If you had a fire like that in Adelaide, you'd expect at least 8 pumps, 2 brontos, BA/Hazmat appliance, a ICV & a gazzlion District Officer's Cars.
So what would the 2nd Alarm upgrade get you?
Long and short of the Myer fire was the first arriving screwed the pooch big time and got themselves a carpark.
Learn your SOP'd gents and make sure you engage your brain.