An AVERAGE single unit, I guess about 150 upwards. Coming into the wet season again you may be lucky as I believe there are more vacancies, shorter leases etc. BTW Check you have aircon unless you can handle a bit of heat and humidity. I can't
Dangerous goods ticket? Awareness, yes if you are a pilot (CAR 262). The full acceptance course, I doubt it.
Can't help you with engineering info unfortunately.