METHOD STATEMENT FOR FIRE ALARM SYSTEM INSTALLATION

METHOD STATEMENT FOR fire  alarm  System  INSTALLATION

• 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

• This procedure to clear the method of the supply, installations of Fire Alarm system for the project.
• This document details the Fire Alarm system Installation:
• Preparation of work.
• Delivery and inspection upon arrival of material at site.
• 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

• Strictly followed as per the manufacturer’s Health and Safety recommendations for handling and use of the materials.
• Ensure all involved personnel shall be aware of the same.
• Specific safety measures have to follow as applicable, and all the safety measures are covered separately in the project safety plan.

4. OPERATION

• Material: 
• Material used will be as approved by the Engineer.
• The sizes and routes routing will be as per the approved Shop Drawings.
• 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

• 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.

• Installation:
• Verify that hardware and devices are NRTL listed 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 :
• Alarm-initiating connection to smoke-control system (smoke management) at fire-fighter smoke-control system panel.
• Alarm-initiating connection to stairwell and elevator-shaft pressurization systems.
• Smoke dampers in air ducts of designated air-conditioning duct systems.
• Alarm-initiating connection to elevator recall system and components.
• Alarm-initiating connection to activate emergency lighting control.
• Alarm-initiating connection to activate emergency shutoffs for gas and fuel supplies.
• Supervisory connections at valve supervisory switches.
• Supervisory connections at low-air-pressure switch of each dry-pipe sprinkler system.
• Supervisory connections at elevator shunt trip breaker.
• Supervisory connections at fire-pump power failure including a dead-phase or phase reversal condition.
• Supervisory connections at fire-pump engine control panel.

• 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 1.5mm2 FP 200 cable to be used for cabling the Initiating Device Circuits (IDC) to the panel, additional 2c x 2.5mm2 FP200 cable is required for the smoke detector with sounder base for the activation of the sounders units.
• 2 core 1.5mm2 FP 200 cable to be used for cabling the Speakers with the panel, additional 2c x 2.5mm2 FP200 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.

• Smoke-Detector OR Heat-Detector
• Comply with NFPA 72, “Smoke-Sensing Fire Detectors” & “Heat-Sensing Fire Detectors”.
• Smooth ceiling spacing shall not exceed 30 feet (9 m).
• Fire-Alarm Control Unit: Surface mounted, with tops of cabinets not more than 72 inches (1830 mm) above the finished floor.
• Annunciator: Install with top of panel not more than 72 inches (1830 mm) above the finished floor.

• 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.

• MANUAL CALL POINT
• Install the recessed recommended 2” x 4” back box at the locations as per the approved shop drawings.
• Install and terminate the Manual call point as per the manufacturer instructions.

• 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.
• Install and terminate the Monitor and Control modules as per the manufacturer instructions.

• SMOKE & HEAT DETECTORS
• 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.

• SOUNDERS & SOUNDER/FLASHER
• Install the recessed recommended 4” x 4” back box at the locations as per the approved shop drawings.
• Install and terminate the Sounders as per the manufacturer instructions.
• 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:
• To prevent damage to the system, disconnect the batteries & power down the system, disconnect the power & harnesses from the Power Supply.
• Connect the Multi-meter to the battery leads (with batteries disconnected), power up & measure the voltage.
• 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.

• 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.

• 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.

• Grounding:
• Comply with requirements in Division 26 Section “Grounding and Bonding for Electrical Systems.” for grounding conductors and connectors.
• Comply with ADDC Electricity Wiring Regulations, Sections.
• Bond metallic equipment to the system grounding bus bar, using not smaller than the specified equipment grounding conductor by ADDC Electricity Wiring Regulations, Sections.

• Identification:
• Identify system components, wiring, and cabling complying with ADDC Electricity Wiring Regulations. Comply with requirements for identification specified in Division 26 Section “Identification for Electrical Systems.”

• 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 accourding to Consultant requirement and senario of the system.
• Testing and commissioning of the system submitted separetly for this system mentioned all the procedure of Testing of the system and commissioning it.

• 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.
   1. To ensure that the progressing of works is carried out according to the planned program and as per the approved method of statement.
   1. To ensure that all the equipment and material required executing the work are available according to the planned construction program.
   1. 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.
   1. To provide all necessary information and distribute responsibilities to his construction.
   1. To monitor the progress of work in relation with the work program and to report to the Project Manager.
   1. 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.
   1. 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.
   1. To ensure that the daily work is progressing as planned and advice the site engineer of any requirement for additional resources.
   1. To ensure in consultation with the site engineer that the manpower involved in the works are moving as agreed and planned for the work.
   1. To control disposal of waste materials according to the instructions received from the site engineer.
   1. 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.
   1. To inform the site engineer regarding areas ready for inspection.
   1. 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.
   1. Ensure all the implemented safety measures are adequate to maintain safe working on the site.
   1. Inspect all the site activities and train the person to prevent accidents and it’s proper implementation.
   1. 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

• Charge hand and Experienced Technicians

8. MATERIALS  REQUIREMENTS

• FAS  Components  and  Accessories.

9. EQUIPMENTs  REQUIREMENTs

• The Equipment that will be engaged for Fire Alarm System Installation will be as follows:
• Power source
• Drilling machine
• Tool Box
• Measuring Tape
• Calibrated Ohm Meter / Multi meter
• Ladders / Scaffoldings
• Hammer
• 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

• The Rubbish which would be created from our scope of works will be disposed to the designated dumping ground.

11. SPECIAL CONTROL MEASURES

• 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

• 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

• Copy of this method statement shall be issued to the following for information/ action/ comments:

1. Project Manager
2. Site Engineer
3. Foremen
4. Safety Engineer
5. Technician From Supplier
6. Store Keeper