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The Denver airport luggage system
THE BAGGAGE SYSTEM AT DENVER: PROSPECTS AND LESSONS
http://ardent.mit.edu/airports/ASP_papers/Bag%20System%20at%20Denver.PDF
The Denver airport luggage system
http://www.nytimes.com/2005/08/27/national/27denver.htmlDENVER, Aug. 26 [2005]- Ten years ago, the new Denver International Airport marched boldly into the future with a computerized baggage-handling system that immediately became famous for its ability to mangle or misplace a good portion of everything that wandered into its path.
Now the book is closing on the brilliant machine that couldn't sort straight...
The premise of Denver's plan was as big as the West. The distance from a centralized baggage check-in to the farthest gate - about a mile - dictated expansive new thinking, planners said, and technology would make the new airport a marvel. Travelers who arrived for check-in or stepped off a plane would have their bags whisked across the airport with minimal human intervention. The result would be fewer flight delays, less waiting at luggage carousels and big savings in airline labor costs.
Tours that preceded the system's debut led invariably to an airport basement where 26 miles of track, loaded with thousands of small gray carts, sped bags up and down inclines as conveyor belts minutely timed by the computer deposited each bag in its cart at just the right moment.
"They were so proud of it," said Raymond Neidl, an airline-aerospace analyst with Calyon Securities in New York. "It's the one thing they wanted to show you."
But then the price tag ballooned along with glitches. Construction costs of $186 million were compounded at a rate of $1 million a day for months in 1994 when the airport's opening was delayed by baggage-handling failures. Tens of millions more have been spent in the years since for repairs and modifications.
United, Denver's busiest airline, has been using a stripped-down, simplified version of the network for its outgoing flights since the airport opened in 1995 - though "enduring" is probably the better word, since regular breakdowns have continued despite years of tinkering.
Automation never worked for incoming flights, whose baggage has been moved by handlers from the beginning. And no other airline ever tried to use the error-prone system at all...
THE BAGGAGE SYSTEM AT DENVER: PROSPECTS AND LESSONS
http://ardent.mit.edu/airports/ASP_papers/Bag%20System%20at%20Denver.PDF