Underwriters Laboratories’ UUKL listing is a category code under UL 864, Control Units and Accessories for Fire Alarm Systems.
What is UUKL?
UUKL is an identifier created by UL to identify those products Listed under UL 864 as Smoke Control Equipment. It should be recognized that the UUKL Listing is based on a supplement to UL 864, rather than part of the formal standard.
What UL 864?
UL864 is the Standard for Control Units and Accessories for Fire Alarm Systems, governing the fire protection industry worldwide, with the most recent ninth edition revised in 2008.
What is the purpose of the Firefighter's Smoke Control station FSCS)?
The Firefighters Smoke Control (FSCS) panel allows a fireman to control the flow of air in a building, in a fire situation. The Smoke Control panel can have switches for the various fans and dampers within a building.What is a smoke control system?
A smoke control system is a system that controls the movement of smoke and air in a building. It can be made up of multiple different components and use several methods to achieve its design objective, which is typically to maintain a tenable environment long enough for all occupants to egress the building.
When inspecting sprinklers a clearance of at least how many inches should be maintained between sprinklers and stored materials quizlet?
Clearance of at least 36 inches shall be maintained between the top level of the stored material and the sprinkler deflectors.
What three tests should be performed on smoke management systems?
- Review the design criteria and system documentation.
- Inspect the building and construction components. …
- Test individual system components. …
- Conduct full operational acceptance test of the smoke control system.
What is UL smoke detector?
New UL smoke detector requirements scheduled to go into effect next year are designed to enhance the ability to detect different types of fires, and minimize nuisance alarms. Prev Next. Earlier detection of a fire means earlier response — a key goal of the new UL 268 standard.What UL 916?
UL 916. October 22, 2015. UL Standard for Safety Energy Management Equipment. These requirements cover energy management equipment and associated sensing devices rated 600 volts or less and intended for installation in accordance with the National Electrical Code, NFPA 70….
What is ul1480?UL 1480 : UL Standard for Safety Speakers for Fire Alarm and Signaling Systems, Including Accessories. Item. Format.
Article first time published onWhat is the difference between smoke control and smoke management?
What is the difference between a smoke control and smoke management system? Smoke Control: mechanical system that pressurizes areas of buildings with fans to limit smoke movement. Smoke Management: passive or active systems used alone or in combination to alter smoke movement.
What is smoke control testing?
The theory is to verify that the supply or exhaust inlets are provided with the required design air to properly balance the smoke control system. … The ductwork should be pressure tested to 1.5 times the maximum design pressure, and leakage is not to exceed 5% of the design flow per Section 909.10. 2.
What is the difference between a smoke control system and a smoke management system?
Smoke control systems are one of the most complicated and often misunderstood systems within a facility, and rightfully so. … Conversely, Smoke Management Systems are used during post fire events to remove smoke from a facility and/or restrict smoke from entering specific area’s of a facility during general evacuation.
What is a smoke control report?
5.1 A written report, titled Smoke Control Report, shall be authored by the smoke control consultant or the mechanical engineer-of- record and submitted to the Building and Fire departments for review and approval. The Smoke Control Report is typically a multi-phased approval process and submitted as follows: 5.1.
How often should smoke control systems be tested?
42.4.5 Weekly self-test. documented for smoke control systems (IBC 909.12). Such testing must include end-to- end verification. The fire alarm or smoke management panel shall exercise system components once per week and receive positive confirmation that the component operated properly.
What is a combustible concealed space?
Combustible concealed spaces formed where ceilings are attached directly to the underside of composite wood joists or onto metal channels no deeper than 1 inch (2.5 centimeters) do not require sprinkler protection where the joist channels are fire stopped at intervals of not more than 160 cubic feet (4.5 cubic meters) …
What type of standpipe system is most desirable?
design must allow class 1 and 2 systems to be used simultaneously. contains water at all times. the water supply is capable of meeting the system demand automatically. a wet standpipe with an automatic water supply is more desirable because water is constantly available a the hose station.
What is the term for locations from which an apparatus can draft?
You just studied 50 terms!
What is smoke alarm code?
For many years NFPA 72, National Fire Alarm and Signaling Code, has required as a minimum that smoke alarms be installed inside every sleep room (even for existing homes) in addition to requiring them outside each sleeping area and on every level of the home. (Additional smoke alarms are required for larger homes.)
What is the NEC code for smoke detectors?
Remember, single-station 120-volt smoke alarms are covered by NEC Article 210. These smoke alarms are subject to the requirements for AFCI protection, whereas the low-voltage fire alarms covered by NEC Article 760 are not.
How do you stop a hard wired smoke detector from chirping?
Hard-wired smoke detectors (which typically include a backup battery) are subject to similar issues as those that operate on a battery only. However, hard-wired units often require resetting after problems are addressed. Simply hold the reset button for 15 to 20 seconds to silence the noise.
What initiation device is not recommended for use with smoke control and management systems?
Fire detection devices include automatic devices such as smoke detectors, waterflow switches, and heat detectors. Generally, manual fire alarm pull stations should not be used to activate automatic smoke control systems, other than stairwell pressurization systems.
How can the HVAC system be used for smoke control?
Methods of smoke control that will be encountered include pressurization method, exhaust method, airflow method, air-change method, and positive pressurization method used in smokeproof and exit enclosures.
What are the four pressure differential methods used to control smoke?
There are various types of smoke management systems on the market, but there are four main methods of smoke control used within these systems: Dilution, Pressurization, Buoyancy and Compartmentation.
Where are smoke control systems required?
The International Building Code (IBC) calls for smoke control for several high-risk building conditions. Typically, it is required in large-volume spaces (e.g. shopping malls, theaters, airport terminals, entrance lobbies, and sports arenas) where many occupants may be exposed to the effects of fire.
Why do buildings have smoke control systems?
The purpose of smoke control is to reduce the build-up of smoke within an enclosed space in order to provide the occupants of the space sufficient time to evacuate to a safer area of the building or to exit the building.
What are the design goals behind installing smoke control or management systems?
The objective of a smoke control system is to maintain a tenable environment for building occupants and allow sufficient time for safe egress, as well as to minimize property damage and business interruption.
