Since 1996, NFPA 72 has required the use of the temporal 3 pattern for the audible fire alarm signal. NFPA 72 Chapter 18.4.2.3 requires the standard temporal 3 evacuation signal to be synchronized within a notification zone. As an example, a zone would be the devices in an apartment corridor. Each apartment would also be [Read More]
Illinois Accessibility Code Strobe Requirements
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The Illinois Accessibility Code (IAC) is the state version of the Americans with Disabilities Act (ADA). It’s not just amendments to the ADA. For lack of a better term, it is the ADA for Illinois. The Illinois Capitol Development Board (CDB) issued a new version in late 2018 to be applied to contracts for planning [Read More]
What Are My Residential Smoke Detection Options? (Part 2)
In our last blog, we defined and pointed out some differences between single station and system smoke detection devices. Now let’s turn our attention to what’s involved with the installation of these devices. Labor is usually the biggest cost in installation, so how much labor does it take to install smoke alarms and smoke detectors? [Read More]
What is the Difference between ADA & Section 504 Requirements?
Everyone knows about ADA requirements. They may not know what the requirements are, but they know there are requirements. However, most designers and installers are unfamiliar with Section 504 requirements. Section 504 refers to a section of the Rehabilitation Act of 1973. As the date suggests, it’s actually the precursor to the ADA. This section [Read More]
Do fire alarm strobes always have to be synchronized?
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I was recently asked a question about whether two strobes had to be synchronized if they were the only two in a field of view . The facility’s fire alarm vendor told him that if a field of vision had just two strobes in it, they did not need to be synchronized. When he tried [Read More]
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