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8/12/2019 Fire Detection and Suppression PPT
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1 HONEYWELL - CONFIDENTIAL Alarm Basics Web
www.honeywell.com
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Fire Alarm & SuppressionSystems - Maintenance
For: Bui lding Maintenance/Operator Staff, Engineers and Technicians
Presented by: Honeywell Life Safety (MEA) Technical Department
By : Novel Daniyel Technical/Training Dept Manager
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3 HONEYWELL - CONFIDENTIAL Alarm Basics Web
Objectives
Understanding FIREDetection and Alarm
Understanding the principle of a Fire Alarm System
To know the basic components of a Fire Alarm System andits principle of operation
Understanding the principle of a Fire SuppressionSystem& its Components
Understanding the importance of System Maintenance
How to perform good maintenance of your system
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Agenda
Sections 1, 2 and 3
TEA/COFFEE break
Section 4, 5 & 6
Q & A
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Objectives
Understanding FIREDetection and Alarm
Understanding the principle of a Fire Alarm System
To know the basic components of a Fire Alarm System andits principle of operation
Understanding the principle of a Fire Suppression System& its Components
Understanding the importance of System Maintenance
How to perform good maintenance of your system
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Section 1: Detection & Alarm
Detection:
SENSES : SIGHT, SMELL, FEEL
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F I R E !
F I R E ! !
F I R E ! ! !
Section 1: Detection & Alarm
Alarm:
SENSE Hearing and Sight
(audible) (visible)
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Objectives
Understanding FIRE Detection and Alarm
Understanding the principle of a Fire Alarm System
To know the basic components of a Fire Alarm System andits principle of operation
Understanding the principle of a Fire Suppression System& its Components
Understanding the importance of System Maintenance
How to perform good maintenance of your system
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What is a
Fire Alarm System?A system or portion of a combination system that
consists of components and circuits arranged to
monitor and annunciate the status of f ire alarm or
supervisory signal-initiating devices and to initiateappropriate response to those signals.
NFPA 72 2002
Fire Alarm Panel Initiating/Monitoring Appliance Alarm Notification Appliance
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A LIFE SAFETYprinciple that provides Early Warning
to building occupants when the fire is in i ts incipientor early stage.
Section 2 : Fire Alarm Principle
Input Output
Signal & Detection
FACP
Output & Notification
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In Summary
The Fire Alarm primary function isfirstly to detect a fireor fire condition,
and secondly to sound audiblealarmsin all parts of the building
BS5839
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Understanding FIRE Detection and Alarm
Understanding the principle of a Fire Alarm System
To know the basic components of a Fire Alarm System andits principle of operation
Understanding the principle of a Fire Suppression System& its Components
Understanding the importance of System Maintenance
How to perform good maintenance of your system
Objectives
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Detector Categories
Fire Detection Devices (Input / Initiation Devices)- Devices which detect fire/smoke e.g: heat detectors,smoke detectors, flame detectors, manual call points.etc.
Fire Alarm Devices (Output / Notification Devices)
- Devices which alert people of the fire conditione.g:sounders, voice alarms, strobesetc
Fire Circuit Devices (Line Units)- Devices with electrical functions related directly to the
detection/alarm circuit , e.g: sort circuit isolators, input
output line units.
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Section 3 : FAS Basic Components
Automatic detection
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Detector Categories
Heat detection
Fixed Temperature Rate of Rise
Linear heat detection
Smoke detection
Aspiration detectors Beam - light obscuration
Ionization
Video Smoke Detection
Optical - light scatter
Other types of detection Flame
Gas or CO detection
Multi -sensor fire detectors Combination ofOptical, Heat & CO sensors
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Order of Response
1. Aspirating Detectors 3. Flame Detector
2. Spot Type Smoke Detectors 4. Heat Detector
Section 3 : FAS Basic Components
Time
Smok
eSensitivity
Incipient Stage Visible Smoke Flaming Fire Intense Heat
1 2 3 4
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Heat detection: Temperature measurement principle
May be FIXED temperature type 57 degC May be RATE-OF-RISE type 10 degC per minute Combination Heat detectors are available (ROR + FIXED) Used in high steam or dusty environments viz. Garages, Kitchens
Section 3 : FAS Basic Components
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Linear (Line Type) Heat Detector
Actuators
Outer Insulation
Protective Tape
Heat Sensit ive
Material
Section 3 : FAS Basic Components
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Smoke detection: Ionisation principle
Small amount of radioactive material (Americium 241) ionizes chamber Current flows in the chamber due to ionized air particles Smoke decreases conductivity, causingALARM
Section 3 : FAS Basic Components
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Smoke detection: Photo-Electric/Optical principle
Works with light scattering principle Contains light transmitter and photosensitive receiver During normal operation - light does not fall on receiver Smoke ingress causes light reflection onto the receiver, causingALARM
IR Emitter
Aerosol
particles
1400
IR Photo
diode
receiver
Back
Scatter
Forward Scatter
Section 3 : FAS Basic Components
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Light Scattering Principle
Sensing Chamber
LightEmitting
Diode
Photo
Diode
Partition
Section 3 : FAS Basic Components
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Optical Chamber
Section 3 : FAS Basic Components
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Combination detector: Optical+Heat
Section 3 : FAS Basic Components
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Smoke detection: Beam sensor
Requires a transmitter and a receiver (single pass
Reflecting types are also available (double pass) Avoid direct sunlight on RECEIVER Tx and Rx powered by control panel OR external source
R
A
C
K
S
TxRx
ABC Logistics Warehouse
Tx Rx
Section 3 : FAS Basic Components
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Double Pass Beam Sensor
Section 3 : FAS Basic Components
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Smoke detection: High sensit ivity aspirating
smoke detector
Pipes with aspirating holes
Each hole is considered a point detector (equivalent to a singlesmoke detector)
Used in very clean environments (computer labs) Can be up to 100 times more sensitive than a
standard smoke detector
Section 3 : FAS Basic Components
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High SensitivitySampling Chamber
Calibrated
Air Sampling
Fan
Sampling Detector
Air Aspirating Systems
Protected Area
Sam
plingPorts
Sam
plingPorts
Sam
plingPorts
Sampling Pipe
Section 3 : FAS Basic Components
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Other type of detectors:
IR/UV Flame sensors
CO gas detectors (Odourless gas)
Duct Smoke Detectors
Video Detection
Section 3 : FAS Basic Components
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Water-Flow Switch
Any flow of water from a sprinkler system, due to OPENING of a sprinklerhead, will result in activation of this switch and subsequently indicate analarm condition
Flow
switch
WET
R
IS
E
R
Section 3 : FAS Basic Components
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Manual detection
Section 3 : FAS Basic Components
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Fire Box or Manual Pull Station or Break Glass Unit- When activated it trips anALARM- Installed in exit paths, stairwells, lift lobbies
Various types:
- Single Action Pull handle once
Glass Break -Glass rod or plate is broken
- Double Action Lifting of a cover or opening a door
Glass Break Then push activation button
Manual Detection
Section 3 : FAS Basic Components
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Manual A L A R M
Section 3 : FAS Basic Components
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OUTPUT devices (not detection devices):
Controlled by the panel Can be visual, audible or both
Can be local or remote
More than one may be activated
Devices may be mounted inside or outside based on level of protectionrequired
May consist of:- Sirens- Bells / Sounders- Buzzers- Horns
- Voice Drivers- Strobes Visual alarm using flashing lights :
Used to help the hearing impaired
Or if the ambient background noise level is high
AutomaticA L A R M
Section 3 : FAS Basic Components
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Speaker (Textual Audio):An incident has been
Detected in the building
Please leave the building
By the nearest available EXIT
Do not use the LIFTS
AudibleAutomatic A L A R M
Sounders
Bell
Horn
Section 3 : FAS Basic Components
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Audible / visual
Automatic A L A R M
Speaker/Strobe
Chime/StrobeHorn/Strobe
Speaker/Sounder/detector/strobe
Sounder/Strobe
Section 3 : FAS Basic Components
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PANELS
NFS2-3030FCI 7100
MS-9600
IdentiFlex 602ZX-1e
Section 3 : FAS Basic Components
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Control Panel:
Receives signals from initiation devices (contacts, smoke detectors etc.)Activates appropriate notification devices (horns/bells, strobes etc .)Monitors system wiring and power (AC/DC)
Processes programmed instructions (shutdown A/C, recall elevators, etc . . . )Informs the fire station through central monitoring station (if applicable)
Section 3 : FAS Basic Components
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Primary (AC)
Secondary (DC)
Re q u i r e s t w o Po w e r So u r c e s
Elements of a Control Panel
Section 3 : FAS Basic Components
S i 3 FAS B i C
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Power Supply
- Mains supply 230V AC
Use un-switched outlet close to the panel.
Put a signboard SUPPLY FOR FIRE ALARM PANEL
DO NOT TAMPER
- Battery Backup(internal to the panel)Backup source in case of power loss/failure e.g: electrical fault
Fire systems require specific amounts of available backup time(controlled by standards/codes/local authorities)
NFPA (24hr standby + 5 mins full alarm)
BS5839-1 (24hr standby + 30 mins full alarm)
Supplies current for both detection/initiation devices andalarm/notification devices
Section 3 : FAS Basic Components
S ti 3 FAS B i C t
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Remote Annunciators
Zone AnnunciatorLiquid Crystal
Display
Graphic Annunciator
(Custom)Remote Serial LCD
Remote Annunciator Remote Annunc iator
Remote Annunc iator
Section 3 : FAS Basic Components
Objecti es
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Understanding FIRE Detection and Alarm
Understanding the principle of a Fire Alarm System
To know the basic components of a Fire Alarm System andits principle of operation
Understanding the principle of a Fire Suppression System& its Components
Understanding the importance of System Maintenance
How to perform good maintenance of your system
Objectives
S ti 3 Fi S i S t
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Section 3 : Fire Suppression System
A combination of LIFE SAFETY & PROPERTY SAFETY thatcomprises of Detection and Suppression, operates
automatically without or with human intervention.
P i i l f Fi S i
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A total flooding system that extinguishes fire by reducingOXYGENlevel or inhibits CHEMICAL REACTIONin an
enclosure/room using Inert or Clean Agent gases. The system composes of Alarm Detection Devices, Agent/Gas
cylinder, Mechanical piping and Solenoid actuator device.
Principle of a Fire Suppression
Fire Triangle Principle:
Eliminating one of its elements will extinguish fire
S t A li ti
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System Applications
Where an occupancy/room that contains high value items,irretrievable data, artefacts collection, records, un-interruptable
operation and etc. Most advisable for CLASS C Electrical Fire that would make
normal water sprinkler risky to install. Also applicable for ClassA and B.
Main Applications:1. Server/Data Rooms 4. Electrical Rooms
2. Municipal Records Room 5. Hospital
3. Art Gallery/Museums 6. Etc.
T f G / Cl A t
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Type of Gases / Clean Agents
Inert Gas
IG-55 contains 50%Arand 50% N2IG-541 contains 40%Ar, 52% N2and 8% CO2
FM-200 HFC227ea known as Heptaflouropropane CF3CHFCF3
CO2 Carbon Dioxide
Others Halon, Inergen, Argonite & Novec
Environmental and Toxici ty Factor Halon 1301 FM200 Inert CO2
Ozone Depletion Potential, CFC 11 = 1 10-17 0 0 0
Global Warming Potential, CO2 kg 100 6900 3300 0 1
Atmospheric Lifetime, years 65 33 Present in Air
NOEL 5% 9% 43% Lethal for
HumanLOEL 7% 10.5% 52%
M d f O ti
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Modes of Operation
Automatic Actuation:
+ =
Zone 1 Zone 2 Gas Discharge
(Pre-discharge time delay after Cross-zone prior to Gas Discharge)
Manual Actuation:
OR =
Releasing Pull Manual Pneumatic Gas Discharge
Station Lever
(No time delay Instant release; Will over-ride Abort operation)
Objectives
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Understanding FIRE Detection and Alarm
Understanding the principle of a Fire Alarm System
To know the basic components of a Fire Alarm System andits principle of operation
Understanding the principle of a Fire Suppression System& its Components
Understanding the importance of System Maintenance
How to perform good maintenance of your system
Objectives
Why Maintenance is important
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Why Maintenance is important
To ensure operational integrity, the system shall have an inspection, testing and
maintenance program. (NFPA 72 14.2.1.1)
Life Safety is the most important aspect in a facility, being the central component of any fire
protection installation, the fire alarm system deserves the highest level of care and
maintenance achievable.
Ensures that your System/devices remains in good physical condition and that there are no
physical changes that would affect detector performance such as building modifications,
occupancy hazards and environmental factors.
A well maintained system is more reliable and efficient.
To prolong life span of your Fire Alarm and devices.
Fire Alarm System saves lives, your property and your business.
Therefore it is a MUST!
News Related NY Times
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News Related NY Times
Why Maintenance is important
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Would you imagine people occupying your Hotel/Building and a FireHappens.
With a Faulty System Detector removed, Fire fighting Valves closed, Sounder circuitopen etc
Your loved ones Your Business
Why Maintenance is important
Your Investment
Will you take this RISK????
Yes you provided Fire Alarm and Fire Fighting equipments in your Facility but are you sure
that it is working as it was before?
Do not take this risk Be Responsible!
Objectives
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52 HONEYWELL - CONFIDENTIAL Alarm Basics Web
Understanding FIRE Detection and Alarm
Understanding the principle of a Fire Alarm System
To know the basic components of a Fire Alarm System andits principle of operation
Understanding the principle of a Fire Suppression System& its Components
Understanding the importance of System Maintenance
How to perform good maintenanceof your system
Objectives
S t M i t
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System Maintenance
Types of Maintenance
Category Sub-Category Descript ion
Planned Maintenance
Time-based Maintenance (*)
Detects system deterioration and prevents
failure by systematic inspection and monitoring
undertaken at pre-determined time intervals.
Condition-based Maintenance
Corrective maintenance work performed, as a
result of significant deterioration or failure, to
restore the system to full functionality
Statutory Maintenance
Actions performed to provide minimum level of
maintenance to meet mandatory requirements
(BS or NFPA). Often includes Time-based and
Condition-based maintenance task.
Unplanned Maintenance
Routine & Breakdown
Maintenance
Unplanned and reactive maintenance actions
performed to restore the system to full
functionality, as a result of an unforeseen failure.
Incident Maintenance
Unplanned maintenance actions to restore the
system to full functionality as a result of damage
resulting from a vandalism, fire or other
accidents.
System Maintenance
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Time-based Maintenance Program (BS5839 part 1)
A maintenance program that conducts Inspection, Testing and Maintenance on scheduled
intervals not waiting for a failure to occur. Preventive rather than Corrective.
System Maintenance
Inspection
This is to ensure that your devices are in good physical condition that there are no physical
changes that would affect detector performance such as building modifications, occupancy
hazards and environmental factors.
Testing
This is to ensure that proper operation of each and every device is met including cause and
effect verification of the fire alarm system. Make sure that building administrator is notified
prior to conducting any test. Always refer to manufacturers recommendation in testing field
devices and panel.
Maintenance
This is to ensure that devices are within its listed operating parameters.
System Maintenance
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System Maintenance
Testing:
BS5839Each week a call point should be operated. It should be confirmedthat the system operated correctly.
NFPA72
Manual call point are to be tested ANNUALLY.
Inspections:
BS5839
The time between inspections should be based on risk assessmentbut should not exceed six months. The time between inspectionsshould be agreed between the parties.
NFPA72
Minimum Inspection frequency should be in accordance to the codelocated in Chapter 14. A more frequent schedule can be carried outbut not less than stated in Chapter 14.
System Maintenance
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Fire Alarm & Detection Monthly QuarterlySemi-
Annual
Annual
Control panels
Batteries
Remote Annunciators
Initiating Devices
Air Sampling
Duct Detectors
Electromechanical Releasing Device
Suppression System switches
Manual Pull station
Heat Detectors
Radiant Energy Fire Detectors
Smoke Detectors
Supervisory Signal Devices
Waterflow Devices
Alarm Notification Appliances
Interface Equipment
Digital Alarm Comm. Equipment
Inspection Frequency
(NFPA 72, 2010, Chapter 14)
Visual Inspection shall be made to ensure
that there are no changes that affect
equipment performance.
To check for damage, obstruction or
tampering.
To check if devices needs cleaning or
maintenance.
RECORD ALL INSPECTION ACTIVITIES
System Maintenance
System Maintenance
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Fire Alarm & Detection Monthly QuarterlySemi-
Annual
Annual
Control panels
Batteries
Remote Annunciators
Initiating Devices
Air Sampling
Duct Detectors
Electromechanical Releasing Device
Suppression System switches
Manual Pull station
Heat Detectors
Radiant Energy Fire Detectors
Smoke Detectors
Supervisory Signal Devices
Waterflow Devices
Alarm Notification Appliances
Interface Equipment
Digital Alarm Comm. Equipment
Testing Frequency
(NFPA 72, 2010, Chapter 14)
Functional testing shall be conducted as per
Manufacturers recommendations, BS5839 or
NFPA72 requirements.
This is to ensure that the devices/panel are
operating as expected.
This is to verify panels cause and effectoperation.
To identify faulty or out of standard devices.
RECORD ALL TESTING ACTIVITIES
System Maintenance
System Maintenance
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System Maintenance
Clean Agent System QuarterlySemi
Annual
Annual Other Remarks
System Inspection
System Test Discharge test is not required
Weigh/Check Cylinders The agent quantity & pressure shall be checked
Container Test Refer to Manufacturer
Hose/Pipe Test Piping puff test to be done at least every 5 years
Room Integrity Test Enclosure Leakage/Integrity Test by certified person.
Clean Agent Maintenance
Important Reminders:
1. Isolate the releasing circuit before
conducting any maintenance/testing
to avoid accidental discharge.
4. The room must be kept totally sealed
and air-tight. Room integrity test shall be
conducted annually especially when
changes in the room occurred that could
adversely affect agent leakage or change
volume of hazard or both.
5. Room modifications/full partitions are
not allowed in this system.
2. Notify building admin before
conducting any maintenance/test.
3. Record all inspection/testing and
maintenance.Door Fan Room Integrity Test Kit
Testing Tools
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Testing Tools
Functional Testing tools:
Calibrated Performance testing tools:
Smoke (Aerosol) & Heat Tester by SOLO
Gemini Smoke Detector Sensitivity Tester
Smoke Pellets
Trutest Smoke Detector Sensitivity Tester
Smoke, CO, Heat Tester
By Testifier
DB Sound level Meter
Magnets are not
considered as a way
to functionally test a
detector rather used
for response test only.
Note:
Use testing tools l isted for its purpose!
Good Practice
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Good Practice
In every Testing, Inspection and Maintenance, a checklist should be filled and kept in
record.
Log all new activity or event shown by the FACP in a log book recording the date and time,
address , device location and description (BS 5839).
Keep all records in a secured cabinet or box. This will be for future reference on
maintenance and troubleshooting.
Place record tagging in every device that has been tested/Inspected.
Keeping the Records
Good Practice
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Good Practice
Responsible Person
The Responsible person for the premises is to ensure that a weekly test of the buildings
Fire Alarm System is carried out as per regulatory standards. (BS 5839 part 1)
Supervises routine maintenance undertaken by a professional fire alarm engineering
company.
Assign/nominate a person to supervise the Fire Alarm System. The nominated person
should have sufficient authority to authorize any necessary work to the fire alarm system
immediately to ensure it is kept operational at all times. It is vital that all actions are recoded accurately in the logbook and made available to any
authorized person (e.g. Fire Brigade).
& Finally
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y
Thank You!!
See you soon in our next courseAdvanced Fire Alarm