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.
How far can a pull station be from a door?
Manual pulls are to be installed at each point of exit discharge so that someone who witnesses a fire in progress can warn others still inside the building as they exit. The distance from an exit door to a manual pull must
not exceed 5 feet
.
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.
Where do you put a pull station?
According to NFPA 72, each pull station must be installed
between 42 and 48 inches from the floor
to ensure easy accessibility for people in wheelchairs. In addition, it needs to be placed in a location that's from free obstacles. This way any individual may access the pull station in the event of an emergency.
What is the ADA height for a fire alarm pull station?
Manual pull stations must be mounted
no more than 48 inches above finished floor height
. Pull levers must be operable with one hand and force to pull lever cannot exceed five pounds. Audible alarms must not exceed a sound level of 110 dB.
What is CD in fire alarm?
The device's coverage area is dependent on the strobe's intensity, measured by the listed
candela
(cd) rating or the luminance flux per solid angle omitted by the strobe. The maximum coverage areas for strobes are listed in NFPA 72 Section18.5 and are based on commonly listed candela ratings.
Are strobes required in sleeping rooms?
Sleeping Areas
If a building has no more than 100 sleeping rooms, this is when fire alarm strobe lights are
required for one in every 25 rooms
. If the building has between 101 and 150 sleeping rooms, then a total of five of them should have strobe lights.
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 manual alarm call point?
Manual call points are
used to initiate an alarm signal
, and operate by means of a simple button press or when glass is broken revealing a button. They can form part of a manual alarm system or an automatic alarm system.
Can fire alarm pull stations be white?
The pull stations are available in red, blue, green, yellow,
white
, black, gray, purple or orange. The wording on the pull stations is customizable with a large variety of standardized units. The standard models have a hex key reset, however a key reset is also available.
How do you activate a pull station?
Manual pull stations generally fall into two main types, single-action and dual-action. With a single-action alarm box, a person can activate the alarm
by simply pulling the handle down
.
What is Class C wiring?
Class B signaling line circuits (addressable) do not have an EOLR but are supervised and annunciated by individual devices. Class C. Class C pathway
provide one or more pathways where operational capability is verified by end-to-end communication
, but the integrity of the pathways is not monitored.
Where are manual pull stations required?
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. Below we have an picture of a typical manual pull station.
What is the code for fire extinguisher height?
To prevent fire extinguishers from being moved or damaged, they should be mounted on brackets or in wall cabinets with the carrying handle placed
3-1/2 to 5 feet above the floor
. Larger fire extinguishers need to be mounted at lower heights with the carrying handle about 3 feet from the floor.
At what height should a fire extinguisher be mounted?
IBC 906.9. 1 and NFPA 10 – 6.1. 3.8. 1: Fire extinguishers having a gross weight not exceeding 40 lb shall be installed so that the top of the fire extinguisher is
not more than 5 ft above the floor
.
Are fire alarm strobes required in bathrooms?
Firstly, it is clear that
visual strobes should be installed in public areas anticipated
to be used by hearing impaired individuals such as restrooms, hallways and building lobbies. … Thus, visual alarms are not required in individual employee offices and work stations. IBC 907.9.
