Saturday, June 21, 2008

 

Finishing the top of the block

It doesn't need to be pretty, but the top of the block needs to be cleaned off so that the next one sits down level. I took the hose around and washed off the edges just to make sure. Getting the blocks wet will help the concrete cure, as they tend to suck moisture out of an already stiff mixture (standard 5 sack mix). I could have made it easier on myself by ordering 10 yards of 5 sack for the footing and 4-5 yards of soupier 3/8" pea gravel for the blocks. As it was, we had to rod down through the blocks to get the stiff concrete down past the horizontal rebar. Calculated 13.5 yards, ordered 15, and used 14.5 yards. Where'd that extra concrete go? It's not in the bulging Fast Footer, because I calculated for that.
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