There are a number of ways in which you could prepare the ground to pour a concrete curb. You could level the surface and pour sand.
how much does it cost to form and pour concrete in Mobile, AL
I heard the ground spit him up not once but twice and then it was necessary to pour concrete over his casket to hold him in the ground. Because of his apostasy!
about how much to pour a concrete slaba 12 x 14'
POUR THE CONCRETE OVER THE BRICK
yes you can use a framed floor for a metal shed, however you may want to pour a concrete footer (stem wall) to keep the wood up off the ground, or use concrete blocks to support it. And use pressure treated wood.
pour more concrete over the top and smooth it out
You pour liquid concrete into a frame and let it set.
No. Concrete won't bond to concrete. It will end up cracking.
Yes
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Yes, but you will need to reinforce with a wire mesh and then pour.
No do to the concrete settling the concrete on top would split