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  #2141  
Old Posted Feb 23, 2017, 5:30 AM
The Lurker The Lurker is offline
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Wow. They really are on an aggressive schedule here.
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  #2142  
Old Posted Feb 23, 2017, 5:34 AM
jon2379 jon2379 is offline
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don't know much about construction but I'd guess the nice weather has probably helped speed things up
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  #2143  
Old Posted Feb 23, 2017, 10:27 AM
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KWILLSKYLINE KWILLSKYLINE is offline
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Looks like the last mega poor is right around the corner. They might wait till next week to warm up with potential snow/flurries this weekend.
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  #2144  
Old Posted Feb 23, 2017, 3:59 PM
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Quote:
Originally Posted by KWILLSKYLINE View Post
Looks like the last mega poor is right around the corner.
Awesome peace and prosperity for all!
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  #2145  
Old Posted Feb 24, 2017, 4:53 PM
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A large concrete pour appears to be happening now, although its not the secondary mat. Looks to be very large area just to the east of it.
http://www.vistatowerchicago.com/webcam/
Also, are those concrete pumps arranged in a daisy-chain fashion to send it a very long distance? Looks like the reach of a single machine is insufficient, and some sort of temporary pumping tower is in place where a vehicle can not reach.
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  #2146  
Old Posted Feb 25, 2017, 6:39 PM
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  #2147  
Old Posted Feb 25, 2017, 7:29 PM
the urban politician the urban politician is offline
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Pardon the dumb question, but how to you create a smooth concrete surface if you are walking around in it while you are spreading it?
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  #2148  
Old Posted Feb 25, 2017, 9:44 PM
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Quote:
Originally Posted by the urban politician View Post
Pardon the dumb question, but how to you create a smooth concrete surface if you are walking around in it while you are spreading it?
I believe the guy in front of where they are placing the concrete is using a vibrator to help settle it. Two workers on the left side are using a screed to level the concrete and another is using a bull float to finish the surface. After that they won't walk on it for awhile until it starts to cure.
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  #2149  
Old Posted Feb 26, 2017, 2:14 AM
malstorm malstorm is offline
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One of my friends owns a concrete pumping business. He said that the placement boom is a putzmeister and is self jacking to go up as the building rises. Watched forum for years never posted. Thought I would give some insight.
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  #2150  
Old Posted Feb 26, 2017, 3:26 AM
SteelMonkey SteelMonkey is offline
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Quote:
Originally Posted by malstorm View Post
One of my friends owns a concrete pumping business. He said that the placement boom is a putzmeister and is self jacking to go up as the building rises. Watched forum for years never posted. Thought I would give some insight.
Was wondering if that was gonna stick around for awhile. Thx for the tidbit
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  #2151  
Old Posted Feb 26, 2017, 5:52 AM
LouisVanDerWright LouisVanDerWright is offline
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Man they are really cranking on this one. I assume there will probably be another climbing pump on the West core as well? Or will this one reach across the entire project? I assume it can't since the area it is placed in will set back after less than half the total project height.
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  #2152  
Old Posted Feb 26, 2017, 12:40 PM
kayosthery kayosthery is offline
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Quote:
Originally Posted by LouisVanDerWright View Post
Man they are really cranking on this one. I assume there will probably be another climbing pump on the West core as well? Or will this one reach across the entire project? I assume it can't since the area it is placed in will set back after less than half the total project height.
Both climbing cores will have Concrete Placing Booms. Not sure if the CPB on the tubular pedestal will be moved to one of the cores, or if there will eventually be 3 CPBs.
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  #2153  
Old Posted Feb 27, 2017, 8:27 AM
PeteOsbourne PeteOsbourne is offline
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Don't like it a bit. Looks like paper accordion...
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  #2154  
Old Posted Feb 27, 2017, 1:34 PM
Kenmore Kenmore is offline
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The photo documentation of construction thus far has already been awesome. This is going to be jaw dropping to watch rise.
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  #2155  
Old Posted Feb 27, 2017, 5:26 PM
Anthony.art Anthony.art is offline
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Upper wacker drive extension pour just started.

Testing station


Quite the reach


Tight squeeze


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  #2156  
Old Posted Feb 27, 2017, 6:47 PM
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Daprato Rigali Daprato Rigali is offline
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Quote:
Originally Posted by Kenmore View Post
The photo documentation of construction thus far has already been awesome. This is going to be jaw dropping to watch rise.
you aren't kidding. I cant go more than 15 minutes without checking this page for more pictures and updates.

Amazing so far.
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  #2157  
Old Posted Feb 28, 2017, 9:54 PM
rlw777 rlw777 is offline
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A concrete pump truck just arrived on site and is parked next to the other large mat
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  #2158  
Old Posted Feb 28, 2017, 10:08 PM
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KWILLSKYLINE KWILLSKYLINE is offline
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Quote:
Originally Posted by rlw777 View Post
A concrete pump truck just arrived on site and is parked next to the other large mat
Whoop whoop...let her rip. You can pour concrete during tornado's....right?
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  #2159  
Old Posted Feb 28, 2017, 10:34 PM
Rocket49 Rocket49 is offline
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Quote:
Originally Posted by KWILLSKYLINE View Post
Whoop whoop...let her rip. You can pour concrete during tornado's....right?
Reminds me of that silly movie "Twister" and the tanker truck flying by Bill Paxton in his sturdy Ram pickup!
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  #2160  
Old Posted Feb 28, 2017, 10:57 PM
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maru2501 maru2501 is offline
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he survived only to not be alive now
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