Browse Forums Building A New House 1 May 24, 2013 1:09 pm Hi all, it's likely that we will need a H class slab (we haven't done soil tests yet but most other people in the same estate I have spoken to need H class slabs). Some builders here include a H class slab, others include M class. So I can compare apples with apples, what is the approximate price increase from M to H class? We're in central Queensland. Re: Approx costs for H class slab? 2May 24, 2013 1:52 pm What is the soil TG ? Clay ? Also - slope can be a big issue. Sand and flat is around the best IMO. Should be included in price. 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 12983 The Soil classification has little to do with piers. The purpose of the classing of the soil is to identify the clay content and the "average expected range of movement… 2 9816 I don’t think so as the floor area over 300 square meters then it is class 3…. 12 17886 |