|Prof. Alexis Kwasinski
Hurricane / Superstorm Sandy
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NEW (12/5): Preliminary report of the effects of Hurricane Sandy on communication networks
http://spectrum.ieee.org/tech-talk/telecom/security/verizon-video-confirms-telecom-cable-damage-from-sandy (Thank you)
A sample of some of the images is shown next.Rooftop solar owned by Riverside Renewable Energy (http://www.holtlogistics.com/riverside-renewable-energy) in Gloucester, NJ after Hurricane Sandy
Left: Water being pump out of the main entrance of Verizon's central office at 140 West Street in Manhattan. Right: Barclay St full of water being pumped out at the central office on the left.
Emergency cable pressurization units in front of Verizon's central office at 140 West St. in Manhattan. The presence of these units indicate that the presurization system on site failed, likely due to power failure and flooding. Without presurized air, the cables in the main cable entrance facility likely absorved significant moisture or even water which will lead to a higher failure rate. The same issue happened in New Orleans after Katrina. Like in Katrina, future plans in Manhattan may involve changing copper cables for fiber optics. However, fiber optic cables lead to a more distributed network that requires local power in remote nodes which may make this fiber optic-based network more vulnerable to future disasters or to significant power outages (like the one in August 2003).
It's not a good sign when a track to vaccum out waste waters is parked in front of central office. It likely means that this central office suffered some flooding of sewage water (which is not too uncommon to happen in manholes).
A good summary of a disaster area. A COLT, a person carrying supplies from a nearby relief center, a National Guard Humvee and a police van.
Left: Greenpeace's truck with renewable sources (PV panels and a small wind generator). Notice that the person on the truch is using a satellite phone which indicates that at least some wireless network operators had no coverage in this area (and at least my phone had no signal)..Right: Two escencial needs in modern disaster areas: water and power to charge mobile communication devices.
© 2012 Alexis Kwasinski
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