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Showing Signs Of Age, Capitol Dome Gets A Face-Lift

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Showing Signs Of Age, Capitol Dome Gets A Face-Lift

Politics

Showing Signs Of Age, Capitol Dome Gets A Face-Lift

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AUDIE CORNISH, HOST:

From NPR News, this is ALL THINGS CONSIDERED. I'm Audie Cornish.

ROBERT SIEGEL, HOST:

And I'm Robert Siegel.

Sunshine glinted off the White Dome that crowns the U.S. Capitol today. It's visible around much of Washington. And from far away you wouldn't notice, but the century-and-a-half-old dome has seen better days. It is about to get a major facelift.

STEPHEN AYERS: It is one of the most, if not the most, recognizable symbols across the globe.

SIEGEL: That's the architect of the Capitol, Stephen Ayers. Part of his job is maintaining the Capitol dome. It is literally cracking up, and Ayers is leading the effort to fix it. NPR's David Welna has the story.

DAVID WELNA, BYLINE: From a distance, the Capitol dome looks like a gleaming extension of the marble edifice from which it rises. But it's an illusion. It is in fact nearly nine million pounds of cast iron slathered with at least 10 coats of lead-based paint. The dome is the masterpiece of Thomas Walter, the architect in charge of widening the Capitol during the 1850s.

The original did have a smaller dome. But according to Stephen Ayers, the current architect of the Capitol, Walters thought the expanded building should be topped by something more grand.

AYERS: He designed this new dome and hung this drawing in his office, and members of Congress would come by and see it and were immediately enamored with it.

WELNA: Without so much as holding a hearing on it, Congress approved $100,000 to top the Capitol with Walter's cast iron crown, though it ended up costing 10 times that much. In photos from Abraham Lincoln's first inauguration, the half-built dome looms in the background. Within a month, the nation was plunged into Civil War. But Ayers says work on the dome continued.

AYERS: President Lincoln picked up on that fact and made a great analogy, that if this construction of this great dome is going to continue, so will our union.

WELNA: The dome was finished by Lincoln's second inauguration. The following month, the Civil War ended and Lincoln was assassinated. His body lay in state below the new dome in the Capitol rotunda. A century later, near the end of the Eisenhower administration, the rusting iron orb got a major facelift. But Ayers says it's deteriorated a lot since then.

AYERS: A dozen years ago, there were 300 and some cracks. A few more years, there were 500 cracks, then 900 cracks and now 1,300. And we thought, you know, with 1,300 cracks, it's - now is the time to intervene and make sure it's preserved for generations to come.

WELNA: Late last year, some of us journalists who work below the dome got the rare opportunity to climb to the top of the nearly 300-foot-tall structure. It was a chance to see firsthand the toll the elements had taken on it.

KEVIN HILDEBRAND: The first set of steps that we'll go up are fairly tight, so be careful of your shoulders and your cameras, particularly.

WELNA: Leading the way is Kevin Hildebrand, the restoration's head architect. We climb a staircase that winds between an inner dome that caps the rotunda and the dome's exterior shell, perched on 36 enormous trusses. Hildebrand points to layered cast-iron plates that form the outer shell.

HILDEBRAND: A lot of the damage that we're addressing are in the shelves and those are exposed to wide temperature swings, a lot of expansion. And when the rust develops between the plates, it binds the plates from moving and that creates enormous pressures within the ironwork, which relieve itself by cracking.

WELNA: We ascend through multiple levels of the dome to its cupola. When we get there, Hildebrand lifts a heavy hatch that opens to the dome's exterior.

HILDEBRAND: Be very mindful that the iron is very hard and the last thing you want to do is to hit your head on this sharp edge, so please be very careful and duck as you go through the doorway.

WELNA: Outside, a narrow walkway surrounds the base of the dome's uppermost fixture - a 20-foot-tall female bronze known as the Statue of Freedom. The vista below of the nation's capital is spectacular. Hildebrand points out a big crack that's also in plain view.

HILDEBRAND: As rust has developed and this railing has been pushed up by the pressure of the rust, the top plate has cracked, and that's relieving the stress that's in the ironwork. But what it also does then is compromise the structural integrity of that particular piece.

WELNA: This spring, contractors will encase the dome with scaffolding and begin the restoration, working mostly at night and on weekends. They'll remove the lead paint, seal the cracks, replace broken windows, and coat everything with polymer and urethane-based paint. The project's price tag is close to $60 million. Hildebrand says the money came through thanks to the budget deal Congress approved late last year.

HILDEBRAND: To me, it's symbolic of the joining of both parties in Congress to come together to fund an effort that's incredibly important to our country. And preserving the Capitol dome is not a question for discussion. It's just something that has to happen.

WELNA: On that, the lawmakers who meet down below completely agree.

SENATOR BEN CARDIN: We want to make sure the integrity of the dome is maintained.

WELNA: That's Maryland Democratic Senator Ben Cardin. As a former congressman, he's served under the dome on both sides of the Capitol.

CARDIN: I would hope that perhaps repairing the dome will also help us repair what's happening under the dome, and maybe we can get together and do the people's business and resolve issues that have been long-standing. So maybe the cooperation we've seen in fixing the visible symbol of Congress will also help in regards to the product of Congress.

WELNA: The dome's restoration should go relatively quickly, says Architect of the Capitol Ayers.

AYERS: We're pretty confident that we can get it done in two years, and certainly done before the next presidential inauguration.

WELNA: Congress likely won't have mended its own deep fissures by then, but it will have a dome above it that Ayers says should hold up well for at least another half-century. David Welna, NPR News, the Capitol.

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