I am unaware of an off-the-shelf system, but I do know of companies that have deployed such systems. BP has used an ultra-wideband (UWB) system at its Cherry Point refinery (see BP Refinery Uses RFID for Evacuation System). And Akers Yard, a shipbuilding company, is using a passive ultrahigh-frequency (UHF) system (see Aker Yards Uses RFID to Ramp Up Worker Safety).
A good systems integrator can help you choose the most cost-effective solution. Passive worked well for Akers Yard because it was able to put tags on the back of hard hats, and was only concerned with whether someone got off a ship under construction during an emergency. If you need to know where someone is within the facility, a UBW or other active system might meet your needs.
If you e-mail me directly at
email@example.com, I can recommend a systems integrator near you, and spell out your options in a little more detail.
—Mark Roberti, Editor, RFID Journal
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