Originally budgeted to cost 19 million it would take 40 months to construct.
Mellon arena retractable roof.
The mellon arena was the first retractable dome and it was the largest dome in the world at the time it was built.
It kept that record until the houston astrodome was built three years later.
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.
The steel dome weighs almost four thousand tons and has a diameter of a little over four hundred feet.
Sofi stadium is an unprecedented and unparalleled sports and entertainment destination being built in inglewood ca by los angeles rams owner chairman e.
No freestanding retractable steel dome had ever been attempted in america and for years the mellon arena stood as the only extant example.
Built in the early 1960s for pittsburgh s civic light opera it was the first stadium arena to have a retractable roof and was the home of the penguins from 1967 to 2010.
The arena which covered 170 000 square feet had the first retractable roof ever on a major sports venue in the world.
At the time of its completion pittsburgh s mellon arena was hailed as an engineering marvel.
Rip civic arena all items pictures songs etc go to their respective owners.
A total of 42 trucks mounted on 78 wheels 30 of which were individually driven supported and moved the six moveable sections.
It also played host to the.
No copyright infrengement intended.
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.
The stadium s capacity fluctuates depending on the event being hosted but has increased due to additions between 1972 and 1991.
A change in the plans to make the roof retractable drove the price tag to 21 7 million.
