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How big is your pier footing?
Now that I have a pier (thanks Phil!), I need to start thinking about the footing. I've heard that you need at least 1 cubic metre, and then I've heard that you don't need anymore than 100mm deep. It's hard to know which advice to listen to, especially when what works for one might not work for another due to other variables.
So... how big is your pier footing? How would you describe the soil in which it sits (clay, sandy etc)? How often do you need to re-align your mount?
My soil is fairly sandy. I was more or less thinking of digging down until it got hard and using that as a gauge.
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