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The Superbowl and Exploding Manhole Covers

So apparently, Indianapolis’ greatest concern about hosting this year’s Superbowl is their recent rash of Exploding Manhole Covers

From the Washington Post:

“One concern has been a series of explosions in Indianapolis Power & Light’s underground network of utility cables. A dozen underground explosions have occurred since 2005, sending manhole covers flying.

Eight explosions have occurred since 2010. The latest, on Nov. 19, turned a manhole cover into a projectile that heavily damaged a parked car and raised concerns about the safety of Super Bowl visitors walking on streets and soaring above the Super Bowl village on four zip lines installed for the festivities.

Since December, IPL has spent about $180,000 to install 150 new locking manhole covers, primarily in the Super Bowl village and other areas expected to see high pre-game traffic.

IPL officials say the new Swiveloc manhole covers can be locked for security reasons during the Super Bowl. In case of an explosion, the covers lift a couple of inches off the ground — enough to vent gas out without feeding in oxygen to make an explosion bigger — before falling back into place.”

It looks like the commercials may not be the only interesting thing about the Superbowl this year.

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