I live in an area where there are a lot of multifamily apartments under construction. In the early stage of construction, the entire construction site seems to be made of reinforced concrete, except the elevator which is made of cinder blocks. Why isn’t that made of poured concrete too, and why do they seem to build the elevator shafts before everything else?
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Fire control. The cinder blocks can’t burn and are pretty heat proof, so they make elevator shafts and stairways in lose rise buildings out of them so that there is a way to escape.
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