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Old March 15th, 2015, 12:14 PM   #241
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Ah great to see this thread was already updated. I was just searching for Broad at random and had totally forgotten about posting on this thread. Thought the project was dead until I saw the new BSB video not posted all too long ago, even.

So if we factor out the airport delays, this turned out to be quite fast. Not what Broad wanted but hopefully this can be a stepping stone toward their larger ambitions.
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Old March 18th, 2015, 12:02 AM   #242
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Fantastic to see that it's not dead! New hopes for a supertall and then finally for the 800m one
looking on sky city on google earth breaks my heart it's just a pool of water...
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Old March 18th, 2015, 06:51 AM   #243
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I like their new approach, maybe they will make a J97 too, hopefully this time it'll be for a customer at a city as a functional tower than just a demo. Even with Broad money they need some revenue to keep these fantastic ventures going.
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Old March 18th, 2015, 07:41 AM   #244
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Old March 18th, 2015, 07:42 AM   #245
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Old March 18th, 2015, 07:43 AM   #246
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Old March 18th, 2015, 07:43 AM   #247
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Old March 20th, 2015, 12:36 AM   #248
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I am in love with both Sky City and Sky City Mini and really hope the large tower gets built! I love practical designs that take the human element into consideration. I also think that there are some major advantages to buildings like this:

1. A building could be constructed in China and shipped around the world. Living near Toronto, there would be huge price advantages here. We could build the groundwork and then have a ship arrive with everything needed to build a super tall at the port-lands. Building a 1000 meter tower in T.O. would probably cost over 10 billion dollars using normal construction methods. I:m sure the math would be similar for other port areas outside expensive city centres.

2. Prefab building can be much more efficient and of far greater quality. Prefab house builder around here charge a healthy premium on the bases that a factory setting gives much more precision and cases less unforeseen mistakes. I personally believe that that Prefab building will have a strong future and Chinese manufacturer will have an obvious advantage. I was a commercial Carpenter when I was younger and can tell you that disregard, drugs, internal conflict, and human error are all present in traditional construction. Even the most expensive building are not built to the level of precision of even the lowest cost automotive factories. There is also a ton of inefficiency; roborts can do a lot of the gobs that a carpenters do, it is just no practical to have robots on a job site.

3. Speed of construction and less stress of roads. One of the biggest advantages of bringing a large prefab structure in by ship would be the removal of need for road works. Instead of tens of thousands of concrete trucks, tens of thousands of cars for workers and tens of thousands of other materials and products; they would all come in on ships. If the construction is taking place in a city centre than there is going to be a greatly reduced time of sound and dust disturbance.

4. It would be easier to de-construct. All building have a life span, many concrete buildings are fixed to well beyond their lifespan because of the enormous task of removing these buildings. If Buildings could be un-constructed in short time it would allow for a city to remove unwanted buildings with new more efficient ones.
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Old March 20th, 2015, 01:22 AM   #249
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So few windows
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Old March 20th, 2015, 07:42 AM   #250
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CHANGSHA | J57 | ~180m | 57 fl | U/C

Yes. What is hard for me to comprehend is 800 apartments in 57 floors.
That's more than 14 apartments per floor!
Definitely can't have too many windows in such configuration.
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Old March 20th, 2015, 10:23 AM   #251
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rexactly. It's not like this is a work place or a luxury condo.
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Old March 22nd, 2015, 07:31 PM   #252
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location: http://skyscraperpage.com/cities/?buildingID=99763
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Old May 1st, 2015, 06:29 PM   #253
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Time to bump this. The news media is full of bogus headlines today:

http://www.usatoday.com/story/news/w...aper/26621929/


Headline: Chinese builder puts up 57-story skyscraper in 19 days!

"The first 20 floors were completed last year, and the remaining 37 were built from Jan. 31 to Feb. 17 this year"

Along with this statement: "The company is awaiting approval for its 220-floor Sky City in Changsha."
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Old May 1st, 2015, 07:17 PM   #254
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Quote:
Originally Posted by Scrapernab2 View Post
Time to bump this. The news media is full of bogus headlines today:

http://www.usatoday.com/story/news/w...aper/26621929/


Headline: Chinese builder puts up 57-story skyscraper in 19 days!

"The first 20 floors were completed last year, and the remaining 37 were built from Jan. 31 to Feb. 17 this year"

Along with this statement: "The company is awaiting approval for its 220-floor Sky City in Changsha."
I don't see what's bogus.
If anything, Broad Group is disingenuous with their marketing, since they are the ones advertising a 19 day build time.
Yes, the total build time was roughly 19 days, but this was not accomplished over a period of 19 days since there was at least one major hiatus.
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Old May 2nd, 2015, 12:37 AM   #255
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What's bogus is that the headline is misleading. The total build time was not roughly 19 days, which it clearly states in the story was only the last 37 floors.

Still an accomplishment, but not 57 in 19.

The other bogus thing is someone's math. Jan 31st to Feb 17th is 18 days.
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Old May 6th, 2015, 12:02 PM   #256
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Ok, I see you don't get it:

The 19 days number comes from the total construction time of the tower. In the time-lapse video you can see a timer count up to 438 hours, roughly 19 days (456 hours).

Now, that number of 438 could be considered disingenuous, as I previously stated, given that the tower was hardly complete (merely topped out) by that time, and wasn't done in one stretch.
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Old May 6th, 2015, 02:33 PM   #257
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Maybe I don't get it. Is the 456 hours for all 57 floors, or only the final 37?

Could someone please tell me the total construction time of the tower in days?

I was assuming when they say days, they meant a 24 hour non-stop work schedule.

Regardless, the title should be T/O

Last edited by Scrapernab2; May 6th, 2015 at 02:42 PM.
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Old June 11th, 2015, 03:11 PM   #258
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This is 204m according to this BBC article
http://www.bbc.co.uk/news/resources/...9-84fda5015115

They are still trying to get the big 220 story one approved,but all structures above 350m needs to be approved by authorities in Beijing and not only the ones in Hunan province,so it might take awhile.
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Old June 12th, 2015, 08:23 AM   #259
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http://nextbigfuture.com/2015/06/bro...ovals-are.html

http://www.globalconstructionreview....n6-4i2ns0i8st/

I hope so much it'll become reality
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Old June 20th, 2015, 06:28 PM   #260
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A nice PR movie for J57
http://youtu.be/yc_1ii1Y2kE
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