Browse Forums General Discussion Re: what does soil testing tell you?? 2Apr 19, 2010 8:56 pm Composition and structure of soil. Used to determine foundation / footing requirements. Soil ranges from stable to active. The more active the money it will cost to lay deeper footings. Re: what does soil testing tell you?? 3Apr 20, 2010 9:59 am Reactive soils usually contain clay and react to moisture levels (expand and contract) which is not what you want with construction. As Eve dweller pointed out the more reactive a soil is the larger and more reinforced the footings will be to deal with this constant movement. The soil test allows your Engineers know to what level your footing need to be constructed. This is soil classification break down. Class A Little or no ground movement (Non reactive) Class S Slightly reactive Class M Moderately reactive Class H Highly reactive Class E Extremely reactive Class P Applies to “Problem sites (eg. filled soil or potential to collapse), special provisions apply. Accessible Carpentry & Cabinets accessiblecarpentry@gmail.com accessiblecarpentry.com.au https://www.facebook.com/pages/Accessible-Carpentry-Cabinets/583314911709039 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 13082 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 37139 DIY, Home Maintenance & Repair I'm in WA and our sandy soils make drainage a bit easier but this is what I'd be doing. Dig down to your footings and let the wall dry out. Clean it all well by brushing… 1 5193 |