METHOD STATEMENT FOR FIRE ALARM SYSTEM INSTALLATION
Ø TABLE OF CONTENTS
1. SCOPE
2. definitions
3. HEALTH AND SAFETY
4. OPERATION
5. installation
and fixation
6.
RESPONSIBILITIES
7. MANPOWER
REQUIRED
8. MATERIALS
REQUIREMENTS
9. EQUIPMENTS
REQUIREMENTS
10. WASTE MANAGEMENT
11. SPECIAL CONTROL MEASURES
12. SUPPORTING
DOCUMENTATION
13. DISTRIBUTION
1. SCOPE
Ø This procedure to clear the method of the
supply, installations of Fire Alarm system for the project.
Ø This document details the Fire Alarm
system Installation:
1. Preparation of work.
2. Delivery and inspection upon arrival of
material at site.
3. Installation of the system.
2. definitions
PQP :
Project Quality Plan
PSP : Project Safety Plan
QCP : Quality Control Procedure
HSE : Health, Safety and Environment
MS :
Method Statement
ITP : Inspection Test Plan
QA/QC : Quality Assurance / Quality Control Engineer.
WIR : Inspection and Test Request
MIR : Material Verification Record.
3. HEALTH AND
SAFETY
Ø Strictly
followed as per the manufacturer's Health and Safety recommendations for
handling and use of the materials.
Ø Ensure all
involved personnel shall be aware of the same.
Ø Specific safety measures have
to follow as applicable, and all the safety measures are covered separately in
the project safety plan.
4. OPERATION
Ø Material:
§ Material used
will be as approved by the Engineer.
§ The sizes and
routes routing will be as per the approved Shop Drawings.
Ø Storage and Protection:
·
Deliver components parts to site, completely identified in
accordance with shop and certified CAD Drawings prepared
for this work.
·
Store in accordance with the manufacturer’s instructions, above
ground, properly protected from the weather and construction activities.
5. INSTALLATION and fixation
Ø Pre-Installation:
· Make sure that civil clearance done prior
to start the installation.
·
Installation will be carried out as per manufacturer
recommendations Approved shop drawings and project specifications.
Ø Installation:
§
Verify
that hardware and devices are NRTL listed (In South Florida) or UL, FM, EN, VDS
& NFPA for use with fire-alarm system before making connections.
§
Make
addressable connections with a supervised interface device to the following
devices and systems.
§
Install
the interface device less than 3 feet (1 m) from the device controller.
§
Make an
addressable confirmation connection when such feedback is available at the device
or system being controlled as follows :
1. Alarm-initiating connection to smoke-control system (smoke
management) at fire-fighter smoke-control system panel.
2. Alarm-initiating connection to stairwell and elevator-shaft
pressurization systems.
3. Smoke dampers in air ducts of designated air-conditioning duct
systems.
4. Alarm-initiating connection to elevator recall system and components.
5. Alarm-initiating connection to activate emergency lighting control.
6. Alarm-initiating connection to activate emergency shutoffs for gas
and fuel supplies.
7. Supervisory connections at valve supervisory switches.
8. Supervisory connections at low-air-pressure switch of each dry-pipe
sprinkler system.
9. Supervisory connections at elevator shunt trip breaker.
10. Supervisory connections at fire-pump power failure including a
dead-phase or phase reversal condition.
11. Supervisory connections at fire-pump engine control panel.
Ø Installation of Components:
·
The
devices/peripherals (Smoke detectors, heat detectors, break glass, duct
detectors, beam detectors, control and monitoring modules) are connected in
Class A circuit with the Control panels.
·
The
speakers & speaker with strobes are connected in Class A circuit with the
Control panels.
·
2 Core
1.5sqmm cable to be used for cabling the Initiating Device Circuits (IDC) or
Signaling Line Circuits (SLC) to the panel, additional 2c x 2.5sqmm cable is required
for the smoke detector with sounder base for the activation of the sounders
units.
·
2 core
1.5sqmm cable to be used for cabling the Speakers with the panel, additional 2c
x 2.5sqmm cable is required from the
FACP for the speaker with strobe for the activation of the strobe unit allied
in vertical walls the run of conduit will be kept straight.
·
Comply
with NFPA 72 for installation of fire-alarm equipment.
Ø FIRE
ALARM CONTROL PANEL
·
Install the semi-recessed Back box provided at the location as per the
approved shop drawings.
·
Power supply for the FACP shall be through an un-switched SPUR
outlet located above the FACP concealed above false ceiling. The un-switched
SPUR switch shall be a separate branch circuit.
·
The back box must be dust free and clean before dropping all the
field cables inside the back box.
·
Fire Alarm Control Units and Remote Annunciators - Display and/or
operating controls shall not be more than 72” (1830 mm) above the finished
floor level.
Ø MANUAL
CALL POINT
·
Install the recessed recommended back box at the locations as per
the approved shop drawings.
·
The manual call point should be installed at a height of 1.3
to 1.5m from its bottom to the ground.
·
Install and terminate the Manual call point as per the manufacturer
instructions.
Ø CONTROL
& MONITOR MODULES
·
Water-Flow Detectors and Valve Supervisory Switches: Located near
each sprinkler valve station and / or water flow detector that is required to
be supervised. The module shall be mounted inside recommended 2” x 4” back box
and wired to the sprinkler valve station and / or water flow detector via GI
flexible conduit.
·
AHUS’, FAHU’S, Lifts, Access Controlled Doors, Public Address
System etc.. Which is required to be controlled in case of a fire situation,
the Control module shall be mounted inside recommended 4” x 4” back box and
wired to the equipment to be interfaced.
·
Module units now will need to be installed between 1.5 feet
and 5.5 feet above the finished floor.
·
Install and terminate the Monitor and Control modules as per the
manufacturer instructions.
Ø SMOKE
& HEAT DETECTORS
·
Comply with NFPA 72, “Smoke-Sensing Fire Detectors” &
“Heat-Sensing Fire Detectors”.
·
Smooth ceiling spacing shall not exceed 30 feet (9 m).
·
Ceiling-Mounted Smoke and Heat Detectors: No less than 100mm from a
sidewall to the near edge. For exposed solid-joint construction, mount
detectors on the bottom of joists. On smooth ceilings, install Smoke detectors
not more than 9m apart in any direction and Heat detector not more than 7m
apart.
·
Install and terminate the Detector as per the manufacturer
instructions.
Ø SOUNDERS
& SOUNDER/FLASHER
·
Install the recessed recommended 4” x 4” back box at the locations
as per the approved shop drawings.
·
A standard sounder should be mounted 1.8m above the
floor.
·
Install and terminate the Sounders as per the manufacturer
instructions.
Ø
Faults
Finding For Emergency Battery System:
Battery Charger
Faults:
·
Battery Charger Faults that can
arise during the operational lifetime of a panel. You may observe one of the
following Faults; Charger 2% out of range Battery Charger Supply incorrect to
correctly measure the output voltage you will need to follow the steps below:
1. To prevent damage to the system, disconnect the batteries &
power down the system, disconnect the power & harnesses from the Power
Supply.
2. Connect the Multi-meter to the battery leads (with batteries
disconnected), power up & measure the voltage.
3. Calculate the difference between the measured voltage & 27.6v.
Positive/Negative
Earth Ground Faults:
·
Fire Panels have the ability to
detect positive or negative Earth Ground Faults. An Earth Ground Fault occurs
when an electrical circuit is shorted to ground.
Ø Installation of Wires:
·
Install cables in raceways and cable trays except within
consoles, back boxes, desks, and counters. Conceal raceway and cables except in
unfinished spaces.
·
Using CAT-6A type cable the maximum length of
the cable not exceeds more than 90 mtrs. Of manufacturer recommendation, which
will provided from structural cabling system supplier.
·
Comply with requirements for raceways and boxes specified in
Division 26 Section "Raceways, Boxes, Cable Tray, Cable Ladder and
Trunking".
·
Conceal conductors and cables in accessible ceilings, walls,
and floors where possible.
Ø Wiring within Enclosures:
·
Bundle, lace, and train cables within enclosures.
·
Connect to terminal points with no excess and without
exceeding manufacturer's limitations on bending radius.
Ø Grounding:
·
Comply with requirements in "Grounding and Bonding for
Electrical Systems." for grounding conductors and connectors.
·
Bond metallic equipment to the system grounding bus bar,
using not smaller than the specified equipment grounding conductor by local
Electricity Wiring Regulations, Sections.
Ø Identification:
·
Identify system components, wiring, and cabling complying
with local Electricity Wiring Regulations or with consultant or with certified
experts.
Ø Programming
·
After making sure all the system installed in
correct way from Subcontractor and supplier, programming of the system must take
place before final testing and commissioning according to Consultant
requirement and scenario of the system.
·
Commissioning must be implemented through
certified or experienced person within your team or external body.
·
Testing and commissioning of the system submitted
separetly for this system mentioned all the procedure of Testing of the system
and commissioning it.
Ø Technical Assistance:
·
The installation supervising technician for the system trade shall
instruct the CONSULTANT Engineer, and Construction Site Manager on the
programming and correct operation of the system after the installation is
completed.
·
This instruction shall be scheduled at the convenience of the
staff.
·
All such instruction shall be properly recorded.
·
WIR will be issued for Consultant approval upon making sure that
the installation of the system equipment’s done as per approved shop drawings
approved specs and manufacturer recommendations.
6.
RESPONSIBILITIES
Ø PROJECT
MANAGER
1.
To ensure
that all the preparation and application works are carried out according to the
Contract Specification and with the approved drawings.
2.
To ensure
that the progressing of works is carried out according to the planned program
and as per the approved method of statement.
3.
To ensure
that all the equipment and material required executing the work are available
according to the planned construction program.
4.
To
co-ordinate with the Main contractor, MEP coordinator, Safety Officer for a
safe and proper execution of the works.
Ø SITE
ENGINEER
1.
To ensure
that the works are carried out according to the Contract Specification,
approved method statement and the shop drawings.
2.
To
provide all necessary information and distribute responsibilities to his
construction.
3.
To
monitor the progress of work in relation with the work program and to report to
the Project Manager.
4.
To
co-ordinate with the safety officer and to ensure that the works are carried
out in safe practicing method.
Ø FOREMAN
1.
The
foreman will carry out his duties by maintaining continuous coordination with
the site engineer on daily basis, and ensure proper distribution of the work
force on the required and planned locations.
2.
To ensure
that his assistant foreman/ charge hand are aware of the job requirements and
they have enough information to carry out their duties properly.
3.
To ensure
that the daily work is progressing as planned and advice the site engineer of
any requirement for additional resources.
4.
To ensure
in consultation with the site engineer that the manpower involved in the works
are moving as agreed and planned for the work.
5.
To
control disposal of waste materials according to the instructions received from
the site engineer.
6.
To ensure
full coordination with the safety officer to maintain safe working and proper
house keeping of the site, following the proved safety measures and further
ensure that all his working team are aware of the same to prevent accident and
losses.
7.
To inform
the site engineer regarding areas ready for inspection.
8.
Foreman
and the storekeeper are responsible for the distribution and control of
materials.
Ø
SAFETY ENGINEER
1.
Ensure the implementation of all the safety
measures in accordance with the HSE plan and everybody aware of it for it’s
proper implementation.
2.
Ensure all the implemented safety measures are
adequate to maintain safe working on the site.
3.
Inspect all the site activities and train the
person to prevent accidents and it’s proper implementation.
4.
Ensure that the site is maintained clean and
tidy.
Ø
TECHNICIAN FROM SUPPILER
1. The carrying-out of work and
the proper distribution of all the available resources in coordination with the
sub-contractor Site Engineer on a daily basis.
2. Daily reports of the works
are achieved and coordinated for the future planning with the Site Engineer.
3. Complying with the sub-contractor basic
design practices, particularly those related to safety and engineering
4. Meeting with any type of
unforeseen incident or requirement and reporting the same to the Site Engineer
immediately.
Ø
STORE KEEPER
1.
Responsible for overall Store
operations in making sure to store the material delivery to the site and keep
it in suitable area that will keep the material in safe from rusty and damage.
2.
One who will acknowledge the
receiving of materials at site in coordination with QA/QC and concerned
Engineer.
7. MANPOWER REQUIRED
Ø Charge hand and Experienced
Technicians. Commissioning Engineer must be certified or at list 10year
experienced on same system. NFPA certified person give you extra mileage.
8. MATERIALS REQUIREMENTS
Ø FAS Components
and Accessories. Check MOQ / BOQ
/ Engineer BOQ to verify FAS componants UL FM EN54 approved.
9. EQUIPMENTS REQUIREMENTS
Ø The Equipment
that will be engaged for Fire Alarm System Installation will be as follows:
1. Power source
2. Drilling machine
3. Tool Box
4. Measuring Tape
5. Calibrated Ohm Meter / Multi meter
6. Ladders / Scaffoldings
7. Hammer
8. Safety requirements tools such as safety shoes, safety helmet, safety
glasses, fluorescent vest, and safety gloves to ensure maximum ability of safe
work and dust mask when required.
10. WASTE MANAGEMENT
Ø The
Rubbish which would be created from our scope of works will be disposed to the designated
dumping ground.
11. SPECIAL CONTROL MEASURES
Ø The
following general control measures against Safety, Environment and Quality
shall be required for our scope of work and special control measures are not
applicable for us :
·
Proper PPE must be worn at all
time
·
Permit to work at height >
2m where applicable
·
Lifting operation permit (using
crane) where applicable.
·
Confined space permit where
applicable.
·
Approved work method statement
and risk assessment will be made available to site.
·
All workers doing the work
shall be briefed on this method statement and risk assessment.
12. SUPPORTING DOCUMENTATION
Ø This method Statement should
be read in conjunction with the below referenced documentations:
- ITP for Anti – termite Treatment.
- Insulation Resistance and continuity Test
Report.
13. DISTRIBUTION
Ø Copy of this method statement
shall be issued to the following for information/ action/ comments:
- Project Manager
- Site Engineer
- Foremen
- Safety Engineer
- Technician From Supplier
- Store Keeper