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Restoring Last Parts Of NYC Subway Is The Hardest

Monday, November 26, 2012 - 04:43 PM

Salt-encrusted circuit board from a New York City subway tunnel. (Photo by Jim O'Grady.)

(New York, NY - WNYC) Seven of the eight subway tunnels flooded by Sandy are back in service. But New York City Transit president Tom Prendergast said it will probably be months before the authority finishes fixing the eighth tunnel, which carries the R train under the harbor between Brooklyn and Manhattan. He said the problem is with the tunnel's electrical systems, such as the switches that keep track of train locations.

"Electrical equipment doesn't like water for obvious reasons -- water is conductive," he told reporters at the Midtown headquarters of the NY Metropolitan Transportation Authority. "But salt water is very conductive and when salt water dries, it leaves salt, which is also conductive when it gets re-wet."

Prendergast said the authority does expect to get the R train running between 34th and Rector Streets--a normally busy stretch in Manhattan--within two weeks.

But he said the South Ferry subway station is also months away from re-opening. Sandy flooded that station to the ceiling, leaving little inside it untouched.

"You've got wall tiles that are down, you've got railings that are damaged," Prendergast said. "You've got possible damage behind wall surfaces, you've got electrical equipment in the form of elevators and escalators." (See a pic of drowning subway escalators here.) And as with the R train tunnel under the harbor, the station's electrical switches are coated in salt water and must be replaced.

The R train tunnel is one of the longest under-river crossings in the system and took more time to dry out, leaving more equipment damaged than in other tunnels.

A spokesman for New York Governor Andrew Cuomo said the MTA's price tag for damage caused by Sandy tops $5 billion.

(Click here to see what parts of the NYC subway system are still down.)

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