Table of Contents
How does a manual pull station work?
Pull stations send a signal to the control panel, and if the fire alarm is monitored, the control panel then usually sends a message to a company’s monitoring service, which transmits that message to first responders. In some cases, a signal is transmitted directly to a fire department.
Are pull station addressable?
Addressable manual pull stations are a single action or dual action addressable manual fire alarm pull stations for use with IntelliKnight® fire control panels. Extremely easy to operate, the addressable manual pull stations provide a fast and practical means of manually initiating a fire alarm signal.
How far do you have to pull the handle at the manual pull station?
NFPA 72 refers to fire alarm pull stations as “manual fire alarm boxes.” The code requires that the travel distance to the nearest pull station on a given floor must be no more than 200 feet.
What are the code requirements for manual pull stations?
NFPA 72 requires that manual pull stations be installed within 60 inches of the exit doorway of each exit, mounted between 42 inches and 48 inches to the center of the handle, and, among other things, be red in color.
How does a fire pull box work?
Typically installed on street corners, they were the main means of summoning firefighters before the general availability of telephones. When the box is activated by turning a knob or pulling a hook, a spring-loaded wheel turns, tapping out a pulsed electrical signal corresponding to the box’s number.
How many pull stations are required?
The National Fire Protection Association (NFPA) 101 Life Safety Code requires at least one manual fire pull station in each building. The code states that a building should not entrust life safety to only one safeguard, and directs that additional safeguards be implemented.
What is the height of a pull station?
Manual Fire Alarm Boxes (Pull Stations) – The height of the manual fire alarm boxes shall be a minimum of 42 inches and a maximum of 54 inches measured vertically, from the floor level to the activating handle or lever of the box. Manual fire alarm boxes shall be red in color.
When should a manual call point be activated?
The maximum distance anyone should have to travel in order to activate a manual call point is 45 metres, unless the building is occupied by people having limited mobility, or a rapid fire development is likely, in which case the maximum travel distance should be reduced to 20 metres.
What is an addressable smoke detector?
An addressable smoke detector is part of an addressable fire alarm system that consists of a group of smoke detectors and devices linked to a central fire control panel. In an addressable fire alarm system, an activated smoke detector can quickly be isolated and found because each device has a unique address or number.
What is Call Point Fire Alarm?
Recognisable usually by its green colour, the fire alarm call point is the enclosure that houses a button to activate a fire alarm. Usually, the user will break the glass and press the emergency button centred in the middle of the unit.
Do fire alarm pull stations have to be red?
The location of your fire alarm pull stations will depend on the design and occupancy of your building. Additionally, a fire alarm pull station needs to be red and in a location that is completely unobstructed from obstacles. This way, anyone can access the pull station in an emergency.
Can a fire alarm be blocked?
Blocked Fire Alarm Pull Stations. This probably occurs as often if not more so than fire extinguisher obstruction. If someone can’t clearly spot the fire alarm pull station then there’s a problem and you need to remove the obstruction.
What is the ADA height for a fire alarm pull station?
If the path to the ADA-compliant fire extinguisher or pull station is unobstructed, the operable part must be placed from 15 inches to 48 inches off of the finished floor or ground. But when the wheelchair user must reach over an obstruction, these heights may change.
Are fire alarms required by OSHA?
OSHA’s employee alarm systems standard 29 CFR 1910.165 applies to all employers that use an alarm system to satisfy any OSHA standard that requires employers to provide an early warning for emergency action, or reaction time for employees to safely escape the work place, the immediate work area, or both.
Where are horn strobes required?
Over the years, it has become customary to install horn strobe over every pull station, which are required every 400 feet on centers or no greater than 200 feet travel, NFPA 101 9.6. 2.5. These locations can easily accommodate higher power strobes and audibles.
Where are manual fire alarm boxes required?
6, NFPA 72, 2007, “Manual fire alarm boxes shall be located within 5 feet of the exit doorway opening at each exit on each floor.”) And when there’s a group of doors that span a distance of 40 feet or more, the code calls for a manual pull on each side of the grouping.
Why is there a key slot located in some fire alarm pull stations?
Fire alarm pull station. After operation, most fire alarm pull stations must be restored to the ready position using a special tool or key in order for the panel to be reset.
Do freight elevators require recall?
In every building taller than two stories-and in some two-story buildings as well-regulations will require you to provide elevator recall as part of the building’s fire alarm system installation. Numerous codes interrelate to ensure that the recall functions as ultimately required by the ASME/ANSI A17.
What is the height of a horn strobe?
The wall mounting of visible signals is required to have the lens of the strobe mounted not less than 80 inches and not greater than 96 inches above the finished floor. Guidance also is given where a ceiling is too low to permit the required installation height at the minimum of 80 inches.
