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- Our Stories
- Aspirating Smoke Detection Enhances Safety
Aspirating Smoke Detection Enhances Safety
Sue Sadler is GM, Americas Demand Generation at Honeywell, a global provider of very early fire alarm system detection solutions.
7 April 2022
For hotels and resorts, complying with fire safety codes such as NFPA 72 requires annual smoke detection inspection and testing. This can be costly and time consuming with traditional spot smoke detectors located in hard-to-access, high ceiling locations, given that testing involves introducing canned smoke into the chamber of each unit.
The process can be particularly challenging in voluminous spaces such as large atriums and foyers, as well as conference rooms, convention centers and major event venues where special lifts are required to reach detectors.
“With high ceiling structures, smoke begins to stratify at about the 30-foot level when cooling smoke meets a heat level barrier that deters its continued rise. Code requires smoke modeling to ensure that sufficient detection can occur above 30 feet,” says Ryan Sandler, Director – Industry Affairs, Training & Support, ADT Commercial, a full-service provider of security and fire solutions that can be tailored to fit the specific needs of the hospitality industry including multi-story hotels, resorts and casinos.
In response, the hospitality industry is increasingly turning to active aspirating smoke detection for high ceiling applications, in which air is drawn in through flexible tubing and tested at a central unit. The technology is fast and reliable and can detect even smoldering, hard-to-detect fires in the earliest stages, which enhances safety.
Aspirating technology also dramatically simplifies smoke detector inspection and maintenance because many procedures can be accomplished at a central unit on the ground from one central location.
Optimizing Smoke Detection
Today, streamlining smoke detection commonly occurs during life safety system review for both new and remodel hotel construction. When a large resort in Williamsburg, Va., was upgrading its fire alarm and mass notification system, the objective was to improve safety while easing inspection and maintenance.
“The grand atrium lobby has cross-beams and structures in the way, so special articulating lift on tracks were required to allow movement up, over and around obstructions,” says Bill Van Loan, President of Critical Systems, LLC, a Marietta, Ga.-based full-service fire alarm life safety and building security company owned by ADT Commercial.
To combat these unique challenges, ADT Commercial selected aspirating smoke detection. These detectors draw in air samples from each area or room through small, flexible tubing. The air is then analyzed to identify the presence of minute smoke particles in a continuous process.
As a multi-channel, addressable system, the central detection unit can identify the sampling point that is detecting smoke and supports up to 40 sample points.
“Aspirating technology allows maintenance and annual testing to occur at a central unit like the VEA with two smoke chambers on the ground – eliminating the need for special equipment and extra effort,” says Van Loan.
He adds that the system is self-cleaning and able to automatically detect and eliminate clogs in the tubes or ports caused by dust or debris.
While the aspirating technology can be customized to achieve code-compliant coverage in a wide range of high ceiling open space settings, it is flexible enough to adapt to remodels to increase occupancy in a hotel room, floor or tower by providing earlier smoke detection.
“With aspirating technology, early smoke detection allows hospitality managers to put more occupants in a given indoor space. In the event of a fire, its earlier notification capabilities allow guests to exit the building faster, which is what performance-based fire protection designs using it is all about,” says Van Loan.
According to Van Loan, when the resort considered remodeling the grand atrium lobby to enlarge it for guests, the aspirating system already accommodated the increased occupancy load by default as long as the open space above remained unchanged.
Aesthetically, aspirating systems air sampling points are also typically smaller and less visible than larger spot detectors. The quarter-sized sampling points are unobtrusive and can blend in with its surroundings or be concealed entirely.
With the industry under greater economic pressure than ever today, aspirating technology can help to simplify the inspection and maintenance of smoke detectors while bolstering safety. Doing so will help to facilitate a more secure, relaxed environment with less intrusive, less labor-intensive inspection, testing and maintenance – which can boost the bottom line.
Learn more about Honeywell’s advanced detection solutions.
Copyright © 2024 Honeywell International Inc.
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