NFPA Journal - November/December 2019 - 61
VIEWPOINTS ON FIRE
AND LIFE SAFETY
GETT Y IMAGES
decision-making ability of the individual or algorithm
responsible for changing the sign messaging, as well as the
liability concerns it creates.
NFPA Journal spoke with Ferreira-who co-authored a
presentation on dynamic exit signage that was delivered
at the 2019 NFPA Conference & Expo in June-to discuss
dynamic exit signage, how he believes it can improve safety,
what critics of the concept say, and more.
First off, what is dynamic exit signage?
There are three levels of dynamic signage. The first is just
any change to the state of a traditional sign. Normally, exit
signs just light up. But if you make it blink, that's the first
level of dynamic signage. Data shows that even a simple
action like making it blink will increase the attractiveness
of the sign and people will think, "OK, this wasn't blinking
before and now it is, so I better do something."
What are the other levels?
Level two introduces a series of exit routes, so that if a fire
or an active shooter or other dangerous situation exists in
one area of a building, you can send people in the other
direction. You could put an "X" through the traditional
exit signs to tell people "Don't go this way," or have illuminated chevrons directing people to a safe exit route. Level
two would have a library of preprogrammed solutions or
exit routes based on engineering judgment or computer
modeling. Level three takes things up a notch by providing
N F PA . O R G / J O U R N A L * NFPA JOURNAL
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NFPA Journal - November/December 2019
Table of Contents for the Digital Edition of NFPA Journal - November/December 2019
Contents
NFPA Journal - November/December 2019 - Cover1
NFPA Journal - November/December 2019 - Cover2
NFPA Journal - November/December 2019 - 1
NFPA Journal - November/December 2019 - 2
NFPA Journal - November/December 2019 - 3
NFPA Journal - November/December 2019 - Contents
NFPA Journal - November/December 2019 - 5
NFPA Journal - November/December 2019 - 6
NFPA Journal - November/December 2019 - 7
NFPA Journal - November/December 2019 - 8
NFPA Journal - November/December 2019 - 9
NFPA Journal - November/December 2019 - 10
NFPA Journal - November/December 2019 - 11
NFPA Journal - November/December 2019 - 12
NFPA Journal - November/December 2019 - 13
NFPA Journal - November/December 2019 - 14
NFPA Journal - November/December 2019 - 15
NFPA Journal - November/December 2019 - 16
NFPA Journal - November/December 2019 - 17
NFPA Journal - November/December 2019 - 18
NFPA Journal - November/December 2019 - 19
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NFPA Journal - November/December 2019 - 21
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NFPA Journal - November/December 2019 - 32
NFPA Journal - November/December 2019 - 33
NFPA Journal - November/December 2019 - 34
NFPA Journal - November/December 2019 - 35
NFPA Journal - November/December 2019 - 36
NFPA Journal - November/December 2019 - 37
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NFPA Journal - November/December 2019 - 43
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NFPA Journal - November/December 2019 - 45
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NFPA Journal - November/December 2019 - 53
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NFPA Journal - November/December 2019 - Cover3
NFPA Journal - November/December 2019 - Cover4
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