The office is excellent, clean, offers snacks and drinks. It isn't in a great located as it in located in St Kilda, Melbourne which isn't very hard to get to but does take a long time to travel there. As for food options there isn't much around St Kilda but you're away from the crowds in the city.
Dress code is business casual. Offices are pretty normal. Unfortunately, the Melbourne office is slightly out of the city.
Office space is old, however has all the necessities. Dress code is high vis PPE.
The offices at Cadia mine are nice, nothing fancy but acceptable by mining standards. The office does not get any sunlight though which makes it hard to work. Office facilities are clean and maintained. There are vending machines and a coffee/food cart, but these have limited selection and are very expensive.