Posted Jun 16, 2011, 6:04 PM
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Registered User
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Join Date: Aug 2007
Location: Hamilton
Posts: 1,778
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I think that's their method of taking the building down one bit at a time. The 2x4s are there to support the remaining floor sections while one is cut out. When they're done the first unit they will alternately take down sections of the masonry wall and the floors of the next unit.
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