Engage a licenced structural landscaper and possibly a plumber first, work out all the finished levels that you will need for the concretor and then pour away. As long as…

Correct drainage of course. I have strip drains myself. The 75mm is negotiable if you have sufficient slope and drainage from the slab and good visual on the termite barrier.…

Thanks. Is this where I measure my 75mm to my concrete apron? Or is it from my termite barrier?
Yes. The 75mm minimum gap applies to non permeable surfaces unless you…

Just make sure they are well regarded, are licenced etc.
Maybe go to a few new housing estates and ask around or work your way through the master builders index…

Yes connected paths is best. Just make sure your concretor knows what he is doing and is licensed. Don't use some weekend warrior or someone's old mate.
See screenshot from QBCC…

The yellow line is the DPC.

Hi John,
I can offer some assistance from experience having recently built but I’m sure others (such as Norfolk etc) will have more scientific references than I.
The yellow line appears…

you can, the wall should be able to hold your weight easily

Nothing to worry about! It's common.

Probably get a building inspector to have a look. It looks minor hairline crack to me, he/she may identify it differently.

From what i've heard hairline cracks are incredibly common and nothing to be worried about.
The third party inspector actually commented on how few ours had compared to normal. (guess we…

I see what you mean. I have seen quite a few photos of damaged slab pipes over the years and some had damage extending into the slab but I couldn't…