In our last post, we talked about why it’s important to use a third party to test a smoke detector’s sensitivity level. In this post, we’ll cover another area of concern: verification of outputs. In a simple system that just activates the horn/strobes, that may seem to be an easy task. However, there is always more than [Read More]
Testing & Inspecting Fire Alarm & Emergency Voice Systems
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A fire alarm system is required to be tested regularly, the results of which are reviewed by the fire department. When scheduling a test of a facility’s fire alarm system, property managers have a vested interest in maintaining safety compliance and limiting their liability exposure while keeping an eye on operating costs. Operating cost reduction might seem [Read More]
Smoke Detector Testing
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At Affiliated Fire Systems, we often get asked about a smoke detector’s lifespan . Specifically, when should a building manager replace smoke detectors? There is no hard and fast lifespan for a commercial smoke detector. To be clear, commercial smoke detectors are connected to a fire alarm panel, not the battery operated devices you can [Read More]
Elevator Recall Activation
I recently had a question asked about whether two smoke detectors are required to activate simultaneously in a single elevator lobby in order for cab recall to be initiated. The answer is there is no current national code that requires two detectors to activate before recall occurs. The two detector activation is what we call ‘cross zoning’, and [Read More]
Applying Common Sense to Intelligibility
If you’re reading this blog, you’ve no doubt heard about and know what the definition of intelligibility is, but may not be sure of how to achieve it. Most of the time, the quest for intelligibility is met with “It depends…”. That is true, but more often than not, that applies to unique situations. Since [Read More]
Fire Alarm System Testing & Inspection, Part II
In our last post, we discussed why regular testing and inspection of a facility’s life safe system is both required and in a property manager’s best interest. What, then, should a proper test and inspection consist of? In this post, we’ll address proper smoke detector testing. A true test of a fire alarm system ensures the system will [Read More]
Fire Alarm System Testing & Inspection, Part I
Commercial fire alarm systems are a lot like referees. You really shouldn’t notice them until they are needed. How does a property owner or manager keep it that way, plus know that it will work when needed? A proper test and inspection of the system is the answer. Most municipalities require an annual test and [Read More]
Elevator Code Compliance
When providing a scope of work for incorporation an existing elevator bank with an existing fire alarm system, which you may need to do within the next year to keep complaint with the current Chicago elevator code, first ensure the elevator’s emergency operation can be controlled automatically. Chicago adopted ASME 17.3 – 2005 with variations [Read More]
An Introduction to Fire Alarm Systems – Defining the System
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Fire alarm systems have two jobs. It must detect a potential fire in a facility, and then notify its occupants. It’s that simple. Getting the system to work properly and meet local life safety codes; that’s not so simple. This article is the first in a series that will explain fire alarm systems to personnel [Read More]
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