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Old June 27th, 2016, 05:06 AM   #1941
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Pelli has recycled many of his buildings over the decades.
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Old June 27th, 2016, 05:42 AM   #1942
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I just realized this tower is almost a replica of the "Gran Torre" in Santiago, Chile.
Pretty damned close.
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Old June 27th, 2016, 10:28 AM   #1943
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I'm beginning to think that most of the really attractive skyscraper designs have been done. Most of the radically unusual ones don't actually appeal to me. I most prefer the pointed-top-leading-to-spire design (classic is the Chrysler Building) but this high parapet crown design is OK too.
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Old June 27th, 2016, 11:35 AM   #1944
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Old June 28th, 2016, 11:54 AM   #1945
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Old June 28th, 2016, 07:09 PM   #1946
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Up and up it goes pretty fast
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Old June 28th, 2016, 08:04 PM   #1947
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For the first time, the columns that they are currently installing are only tall enough to support one floor. Does anybody know, why they are not doing the 2-story approach, is this a special floor?
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Old June 29th, 2016, 11:40 AM   #1948
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Old June 29th, 2016, 04:47 PM   #1949
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For the first time, the columns that they are currently installing are only tall enough to support one floor. Does anybody know, why they are not doing the 2-story approach, is this a special floor?
The top of those short columns marks the end of the "straight" section of the tower. The top of those short columns marks the 26th floor (ceiling of the 25th floor), which is at 382 feet.
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Old June 29th, 2016, 07:45 PM   #1950
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The top of those short columns marks the end of the "straight" section of the tower. The top of those short columns marks the 26th floor (ceiling of the 25th floor), which is at 382 feet.
They still say it will be "topped out" by the end of this year. We will see.
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Old June 29th, 2016, 07:56 PM   #1951
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They still say it will be "topped out" by the end of this year. We will see.
The core and the steel for the floors should be topped out by the end of November. Don't know about the crown.
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Old June 29th, 2016, 10:54 PM   #1952
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Do you know whether the concrete core becomes smaller at higher floors? Some of the elevator banks serve only lower floors so it shouldn't be necessary to have as large a core and, of course, as the outer walls taper inward the usable floorspace gets smaller unless the core also gets smaller.

A smaller core might rise even faster.
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Old June 29th, 2016, 11:33 PM   #1953
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Quote:
Originally Posted by Cal_Escapee View Post
Do you know whether the concrete core becomes smaller at higher floors? Some of the elevator banks serve only lower floors so it shouldn't be necessary to have as large a core and, of course, as the outer walls taper inward the usable floorspace gets smaller unless the core also gets smaller.

A smaller core might rise even faster.
At floor 50, the core gets smaller. See here:

Floor 50: http://www.salesforcetower.com/files...50th_Floor.pdf

compared to here:

Floor 49: http://www.salesforcetower.com/files...49th_Floor.pdf
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Old July 1st, 2016, 04:39 AM   #1954
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Hmm, a quick area measurement shows that the core takes up 36% of the floor area on the 49th.

Quote:
Originally Posted by SoCal Alan View Post
At floor 50, the core gets smaller. See here:

Floor 50: http://www.salesforcetower.com/files...50th_Floor.pdf

compared to here:

Floor 49: http://www.salesforcetower.com/files...49th_Floor.pdf
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Old July 1st, 2016, 06:54 PM   #1955
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Quote:
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The top of those short columns marks the end of the "straight" section of the tower. The top of those short columns marks the 26th floor (ceiling of the 25th floor), which is at 382 feet.
30 foot columns are being used again, as of today.
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Old July 1st, 2016, 11:55 PM   #1956
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Originally Posted by SoCal Alan View Post
30 foot columns are being used again, as of today.
Are they sloping?
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Old July 2nd, 2016, 12:27 AM   #1957
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25 floors
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Old July 2nd, 2016, 07:29 AM   #1958
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Quote:
Originally Posted by SoCal Alan View Post
I think the core changes shape at floor 50, so add some potential delay to the projected top-off date above.

Plus two 3 day weekends for 4th of July and Labor Day...

And maybe a 4 day for Thanksgiving...
At a floor every 3.95 days, and with 28 floors of concrete already exposed, leaving 33 remaining, we should be done with the concrete core on 11/8/2016, adding 6 days for 4th of July and Labor Day, putting us at 11/14/2016. Plus maybe some extra time to reshape the forms at floor 50 for the reduced core...

Just in time for a Thanksgiving celebration lunch/dinner for the workers.
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Old July 2nd, 2016, 09:10 AM   #1959
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That's pretty fast for a 1000 footer should be a nice addition to the sky line
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Old July 3rd, 2016, 11:37 AM   #1960
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July 2, 2016



SF Building Boom by Ted, on Flickr



SF Under Construction by Ted, on Flickr
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