What is elevator recall? When is it required? When should it be integrated with a fire alarm system? How is that accomplished? These are a few of the many questions both elevator and electrical contractors have when elevator work is performed. With the constantly changing technologies and capabilities of elevator control and fire alarm systems, [Read More]
Can I Use Fire Alarm Speakers For General Paging?
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The trend in providing today’s building services such as fire alarm and overhead paging is to install them on a common system. Not only does it simplify interaction with these systems since the end user uses one control unit, but it saves money by not having to install and maintain two separate voice systems. Whether or not you [Read More]
Using Wireless Smoke Detectors With Fire Alarm Systems
The newest development coming out of the various fire alarm manufacturers is wireless smoke detectors and control/monitor devices. These UL 268 and UL 864 approved devices can be programmed to act like a stand alone, battery powered smoke detector with the added benefit of being supervised for proper operation and without having to replace the batteries every [Read More]
Does a Renovation Project Change Elevator Recall Requirements?
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We frequently get questions about whether an office buildout/renovation changes the existing elevator recall sequence or mandates it if there is no recall. The simple answer is that if the elevator equipment is not substantially altered after its installation, the requirements applicable at the time of installation remain in force. Whether or not the space [Read More]
Are Sprinklers Required Above False Ceilings?
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We’re not a sprinkler contractor, but we frequently coordinate sprinker installations with fire alarm installations. Many design professionals want a single point of contact to ask life safety questions, so I get asked a lot of questions regarding sprinkler requirements. Here’s one that I researched the answer for: Q: Are sprinklers required above false ceilings? I have read through [Read More]
Defining Generator Testing Frequency Requirements
I recently received a question regarding emergency generator testing in a medical facility that touched on testing frequency and what defines a method of off site monitoring. Here’s the question: My local AHJ expects my Ambulatory Surgical Center (ASC) to run the generator weekly. They utilize NFPA 1 (2012) and NFPA 72 (2010). Both NFPA 1 in [Read More]
If an elevator lobby detector activates, can I selectively exclude that lobby and have the cars still run?
Generally, an elevator’s FEO doesn’t allow the cabs to run once activated, so a selective application usually isn’t an option. I say usually because hospitals employ a Code Blue elevator control system to override the elevator FEO in life saving situations. That’s an extra cost on a more robust elevator controller and obviously doesn’t apply [Read More]
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