Browse Forums Buying Land 1 Apr 16, 2021 6:12 pm Hey, has anyone had any troubles with building on dispersive soil ? We have a block pending a few things . The whole subdevision is the same soil so it wouldnt of been allowed if we couldnt build. It says in the regs to use a raised floor plan on posts rather than excavate and concrete slab. Our land runs down aboit 1 m see pic attached Would i have dramas with the council wanting to excavate down 1 m and essentially making it flat. We would have engineering approval with how this has to be done. But have heard the council will jusy say why cant u use posts instead of slab. Like ⋅ Add a comment ⋅ Pin to Ideaboard ⋅ With that sort of soil type if you ask for a design to include piers then I would also include void formers. That way you should reduce the chances of settlement and heave. 7 4635 I am not sure whether Perth has its own way of doing things in regards to this. Most of Perth has class A (sandy soil), except for some areas near rivers or hills. 2 13103 We were lucky in that our old house was so small (86 square metres) compared to the new house, they were able to take enough readings around the old backyard house before… 8 37150 |