The stadium s capacity fluctuates depending on the event being hosted but has increased due to additions between 1972 and 1991.
Mellon arena retractable roof.
Construction of the civic auditorium.
It was constructed with just shy of 3 000 tons of steel manufactured in the city of pittsburgh.
Six of the sections could fold underneath two in two and one half minutes making the mellon arena the world s first major indoor sports stadium with a retractable roof.
It also played host to the.
Rip civic arena all items pictures songs etc go to their respective owners.
It kept that record until the houston astrodome was built three years later.
The steel dome weighs almost four thousand tons and has a diameter of a little over four hundred feet.
A change in the plans to make the roof retractable drove the price tag to 21 7 million.
At the time of its completion pittsburgh s mellon arena was hailed as an engineering marvel.
No freestanding retractable steel dome had ever been attempted in america and for years the mellon arena stood as the only extant example.
The freight elevator rises slowly climbing to the top level at sofi stadium this is the part of the new nfl venue under construction in inglewood where kevin demoff gets excited.
Sofi stadium is an unprecedented and unparalleled sports and entertainment destination being built in inglewood ca by los angeles rams owner chairman e.
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Six of the sections could fold underneath two in 2 minutes making the civic arena the world s first major indoor sports stadium with a retractable roof.
The arena which covered 170 000 square feet had the first retractable roof ever on a major sports venue in the world.
Construction of the civic arena began on april 25 1958.
Originally budgeted to cost 19 million it would take 40 months to construct.