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Old 09-03-2013, 04:45 PM
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bojan
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Join Date: Jul 2006
Location: Mt Waverley, VIC
Posts: 7,108
What an interesting design!
I did something similar recently, see here:
http://www.iceinspace.com.au/forum/s...highlight=pier
The hole for the concrete slab was 75cm deep, 35cm in diameter (I used 6 bags of concrete premix from Bunnings) and its pretty much OK.. maybe you do it a bit stronger (deeper, wider)

Last edited by bojan; 09-03-2013 at 06:38 PM.
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