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National Stadium(1964 Olympic Stadium)


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This ain't the IOC's decision. It's the TOCOG and Japan's.

That's my point. At some point Japan needs to decide that honor isn't worth throwing away $2+ billion. If the IOC doesn't like the idea of using a stadium a whole 25 miles away from central Tokyo too bad.

I don't think it will, since the situation Montreal dealt with was much worse than what Tokyo is in. In Montreal, they chose to build a huge, unreasonably big and gaudy stadium with large concrete structures and a tower using building methods construction workers were not familiar with, causing them to go on strike. The new design, whatever it may be, for Tokyo will most definitely not be as complicated to build as Montreal or the original Hadid design. The simpler the design, the quicker they will be able to construct it.

In fact both cases involve labor problems. In Japan they are not able to bring in temporary foreign workers due to nationalist immigration laws. Japan has a quantitative labor problem instead of a qualitative one. The time crunch is the biggest problem for Tokyo, though, and it was for Montreal too.

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Two new pieces of information highlighting the apparent minimum capacity and maximum price for designers/contractors to work with. IMO 68,000 should be plenty for permanent, given that they're more likely to fill the stadium to capacity for future large scale events that take place in the new stadium. I suppose this means that they're not doing the retractable seating, instead they're probably going to construct deconstructable seating on top of the track.

Olympic stadium cost limit to be 155 billion yenThe Japanese government plans to limit the cost to build a new national stadium for the 2020 Tokyo Olympic and Paralympic Games at 155 billion yen, or about 1.29 billion dollars.

The government reached agreement on the ceiling on Thursday, one day before relevant cabinet ministers are expected to endorse the new construction plan.

The plan will outline the stadium's functions, building schedule, as well as the total cost limit.

Earlier on Thursday, the minister in charge of the Olympics, Toshiaki Endo, briefed Prime Minister Shinzo Abe of the plan. He also discussed the plan with senior officials of the governing Liberal Democratic Party.

Last month, Abe announced that the government will review the initial construction plan for the main stadium from scratch. This came after a public outcry over costs that ballooned to 252 billion yen, or 2.1 billion dollars.


Olympic minister: Stadium could seat 80,000The minister in charge of the Olympic and Paralympic Games, Toshiaki Endo, says that bringing in temporary seats would allow the new national stadium to accommodate as many as 80,000 spectators.

Endo spoke to reporters later on Thursday.

He said the vice president of the International Olympic Committee, John Coates, had asked that the stadium seat 68,000 people for the opening ceremony of the Tokyo Games.

Endo added that using temporary seats could increase the capacity to some 80,000 if necessary for a World Cup soccer match.


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Here are the renders from the document ZHA released stating that any other design would be terrible and that their design is the only good one. They even badmouth London and Sydney for attempting temporary stands. There's a lot of photos so I put them in an album.


I suggest looking at the document themselves. There's a lot of interesting stuff. One thing is that when compating roof heights, she states that a stadium that is built without "hills" (like Rome's OS) would be taller than hers, even though when referencing the height of her stadium, she uses the walkway on the edge of the seating bowl, not the actual peak of the arches. hmm...



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Here's the news story about the finalized restrictions on the stadium. I'm not sure about the roof covering only the upper tier, given that other news sources claim that the roof will cover all the seats. When a final report is released in full we'll see.

Japan draws up new plan for Olympic stadium

The Japanese government has decided on a new plan for a national stadium to be used in the 2020 Tokyo Olympics and Paralympics.

Cabinet ministers endorsed it on Friday morning.

The plan limits construction costs to 155 billion yen, or about 1.3 billion dollars. The government last month scrapped the previous plan, estimated at about 2.1 billion dollars, due to public criticism over skyrocketing costs.

The new stadium will have about 68,000 seats for the Tokyo Games. They can be increased to 80,000 if necessary, for a World Cup soccer match.

The stadium's roof will cover only the upper seats. A sub-track for warmups will be built within a walking distance from the stadium.

The stadium is set for completion by the end of April 2020. But the government plans to seek advice from designers and construction firms to finish it by the end of January of that year, as requested by the International Olympic Committee.

The government says the new national stadium should be a place where athletes can give their best performances. It should also convey Japanese tradition and culture to the world.

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Anyone know when the renderings will be released?

If you mean for the new design, the competition hasn't even officially started. I would assume mid-fall at the earliest, but if they want to keep it secret which is unlikely since the renewal is based from public outcry, January 2016 at the latest.

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From these three releases I've gathered the most recent facts about the reconstruction.




  • The competition for contractors/designs will start on September 1st and end in December 2015, with the beginning of construction slated for December 2016 at the latest.
  • The capacity will be 68,000 with the track, but it is unclear whether they will construct temporary seats over the track for football at a total of 80,000 or remove the track, build permanent seats, and if needed construct a temporary track similar to Glasgow in 2014. I'm pretty sure they're going to build a permanent track with temporary seats as needed, but nothing official yet.
  • The idea of a museum and sky walkway (basically Hadid's design) have been eliminated.
  • VIP areas are remaining, but are reduced.
  • Underground parking and other facilities are also being reduced, reducing the overall area of the stadium at 13% less than before.
  • Air conditioning will be removed, given that it wont work that well anyway
  • Some sources claim the roof over only the upper stands, some over all the seats. This is still unclear.

I imagine the Japan Sports Council will post something about the design contest in the coming weeks, but we'll see. Maybe they'll personally reach out to Japanese architects only...

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Also here's a still from a news broadcast about the stadium. Could the new stadium look like this? Probably not, but in a way it will have similar aspects. Notice there are no huge arches or fancy roofing or general unnecessary pleasantries. A simple design like this example image is what TOCOG is looking for, but more refined, of course.


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A bunch of news today that will be overshadowed by the emblem. The JSC has begun reaching out for designs and contractors.


Designers must express interest by 18 September 2015, and submit designs by 16 November 2015.

The guidelines are the same as those that have been rolling in over the month. They are:

  • 68,000 capacity, required capability to construct an additional 12,000 for World Cup (ambitious, but it'll happen someday I'm sure)
  • 1.28 billion USD/155 billion Yen budget limitation for contractors and designers (unknown if they planned for overruns, maybe they did)
  • Deadline of January 31st, 2020


It appears that JSC is accepting design proposals for the slight renovation of Yoyogi for seismic retrofitting. Sensible, given that Yoyogi was build only the year before the 1964 games, like the Budokan, so they had to do it quickly. THe proposal deadline for that is 24 September 2015.

They're also reaching out to companies who will help with the public lotteries to help pay for the stadium as well.

No English site yet, and there probably wont be since they're probably trying to avoid foreign designers without having to outright say it.


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Might as well have renovated the old stadium if they're going to be keeping it super simple like that

Nope. The concrete and girders of the old stadium would be 50+ years old by 2020. It probably was not earthquake-sustainable as a new one would be -- hence, even if the new one will be a totally simplistic design, its support and foundations will be newer and conforming to more up-to-date, rigid code -- plus all the other stuff to make a state-of-the-art structure.

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If it helps, this photo illustrates side by side the differences in the original plan and the new plan


'Tis better to have been roofed a little than never to have been roofed at all.


So is the 68k the permanent capacity of the stadium, not the expandable capacity for the Olympics?

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I think the given capacities are/were for Track and Field configuration. I think the original documents for the Hadid design had the T&F capacity in the low 70,000 but the fully un-retracted capacity for football would have been around 80,000. I believe the JSC made it mandatory that the stadium be capable of expansion to 80,000 for football, so either the distance from the stands to the track will be larger, or the lowest tier will be higher up. For the Olympics, it's been confirmed that the capacity will be 68,000.

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Architect Hadid plans new, less costly bid for National Stadium

Zaha Hadid Architects, the company whose design for the new National Stadium for the Tokyo 2020 Olympics was chosen and later scrapped, says it is teaming up with major Japanese design and engineering company Nikken Sekkei in a bid to regain the project.
Prime Minister Shinzo Abe, seeking to quiet an outcry over the huge stadium’s futuristic blueprint, announced in July that the design by star Iraqi-British architect Zaha Hadid had been dropped because it was too costly.
The government’s Japan Sport Council, in charge of screening and selecting bidders for the plan, started seeking new design and construction proposals from Sept. 1 with the selection scheduled for late December.
Hadid’s earlier plan had been estimated to cost over ¥250 billion. The new project has a cost ceiling of ¥155 billion.
The two companies said Monday they will offer “the most cost-effective delivery plan” to ensure the stadium is ready in time for the 2020 Olympics.
Zaha Hadid Architects and Nikken Sekkei must still find a contractor able to commit to the lower cost and time constraints of the new specifications. The contractors that had worked with Zaha Hadid Architects on the earlier design are no longer involved.
Nikken Sekkei said it has worked with Hadid on the project since May 2013 and is “technically ready” to begin construction.
“We believe the best way to respond to the new brief is to maximize the use of the expertise gained by the design team over the past two years,” it said.
The government and Tokyo Olympic organizers had favored the original design as a potential new landmark for the city, but a huge and growing public debt led many to question the costs of such massive public works projects.
Shortages of construction workers and rising costs for materials are also potential problems for contractors who will have to rush to meet the International Olympic Committee’s request that the new stadium be ready by early 2020.
The new stadium will be built in central Tokyo on the site of the previous National Stadium for the 1964 Olympics, which has already been demolished.

September 7,2015

News source:The Japan Times


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I suppose it's only fair that they are also allowed to compete, but I really don't think they'll be chosen again. Can you imagine the PR nightmare having scrapped a design and then taken it back? Either way, Hadid's design, no matter how hard she tries to sell it, doesn't represent Japan as it should and as I image the new designs will.

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