High Line HQ Steel

Last post was all about the concrete.  Now, here's the steel.  It is amazing how fast a good crew can throw up a building.  I watched the steel delivery and the erection of most of the columns and first floor in the space of a few hours!  I also learned a little bit that I surprising didn't know from all my years in engineering.  I always wondered about all the miscellanous holes that the beams had--those other than ones for bolts.  Now I know that these holes are used to attach safety cables allowing the ironworkers to always be close to a tie off point.  It was also super cool to see the guys climb columns to get to the 2nd floor steel.  Definitely talented and skilled work.

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