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Old Posted Nov 19, 2014, 12:07 AM
kalifese kalifese is offline
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Join Date: Apr 2011
Posts: 378
thank you, i understand now. that explains why every construction pic i see of high rise buildings being built in taiwan have no big deep hole with built structure in the ground.

but why is it in nyc/manhattan - which is a highly dense area of skyscrapers and highrises - they build bottom-up? i always see construction workers excavating a huge deep hole where they start the foundation and build the skeletal structure in and above it?
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