thanks Al, and thanks for having the discussion we did this afternoon.
OK i am having a thought - right out of left field.
due to the presence of snakes, rabid insects and the crappy ground i am on i was thinking something unthinkable - pouring the whole dome slab as an integral pour, being over 6 tons or just on 2.5 cubic metres. the dome just bolts to the concrete? am i nuts?
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