MST-EL-10 Installation, Testing & Commissioning of Fire Alarm System.docx

ABU DHABI FUTURE SCHOOL PROGRAM – Phase (2)PACKAGE – 4

KG SCHOOLS AT Al BAHYA & AL FALAH

Method Statement for Installation, Testing & Commissioning of Fire Alarm System

ClientAbu Dhabi Education Council

EmployerMusanada

ConsultantDewan

ContractorUnited Engineering Construction

MEP SubcontractorAl Sabbah Electromechanical

Issued on26 June, 2013

Prepared By: Reviewed by Approved by MSRev. Name Date Name Date Name Date No.

0 SHAMEEL CH Abeer Abu Hamra Raed Al Amawi ASEM-MST-EL-10


TABLE OF CONTENTS

1. Purpose2. Scope3. Legislation and Code of Practice4. Reference5. Definitions6. Resources6.1. Equipment6.2. Safety of Equipment’s7. Safety Precautions7.1. Construction Hazards7.2. Personal Protective Equipment7.3. Safety Training and Emergency procedures7.4. First Aid8.Detailed Construction Sequence (Methodology)8.1. Procedure9.Testing & Commissioning For Fire Alarm System9.1. Introduction & scope9.2. Location of activity9.3. Method & Procedure9.4. Testing & Commissioning9.5. Responsibility9.6. Equipment10.Construction Program10.1 Housekeeping10.2 Protection of Executed Works10.3 Responsibilities10.4 Records11.Inspection and Testing12.Related Forms13.Attachments

ASEM-MST-EL-10 Rev.0 Page 2 of 10


1. Purpose

This document describes the methodology of Installation, Testing & Commissioning of Fire Alarm System for Abu Dhabi Future School Program – Phase 2, Package 4 Project, and to ensure that all concerned persons are familiar with the sequence of activities, utilization of resources, and execution of the works in compliance with applicable Safety and Quality Procedures, and Project Documents and Specification.

2. Scope of WorksThis method statement is intended to outline the activities and the methods used for the Installation, Testing & Commissioning of Fire Alarm System. All activities will be carried out in accordance with the contract details and in full compliance to the Contract Specifications and documents. All work within the rights-of-way of the standards and specifications will be done in compliance with requirements issued by authorities.

3. Legislation and Code of Practice

All related codes and standards referenced in the project electrical specifications volume 3 part F division 28, section 28 31 00.

4. Reference Contract Specifications Approved Drawings

5. DefinitionsClient : Abu Dhabi Education CouncilConsultants : DewanContractor : United Engineering Construction

6. Resources

6.1. Equipment / Tools

DESCRIPTION

Insulation Resistance TesterMulti MeterTechnician’s Hand ToolsStep ladder

6.2 Safety of Equipment’s

Necessary measures will be taken for the safety of the equipment and any other works affected by the works subject of this document. Relevant entities which might require protection include any such works in the vicinity of the area of work or on the service access or discharge path.



The construction team will ensure that any such requirements are documented.

7. Health, Safety & the Environment

7.1 Construction Hazards (tick as appropriate)

Corrosive Oxidizing Highly flammable

Extremely flammable Toxic Highly Toxic Irritating Harmful

Explosive Danger for the Environment

Constrained Space

Slippery Surface

Danger of Electrocution

Falling from Height Other

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The hazards identified above will be controlled under the overall Project Safety Plan which is a separate document communicated to all parties on the project.

7.2. Personal Protective Equipment (tick as appropriate)

The works subject of this document requires that the following PPE be used:

Safety Precaution Helmet Hi-Viz Eye

ProtectionFace

ProtectionMask

RequiredRespirator Required

Ear Protection

Gloves Required

Safety Shoes Required

Protective Clothing

Safety Harness

Equipment Guards Lifejacket Other

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7.3. Safety Training and Emergency procedures

Before commencing any works, all employees will attend a site safety induction training to ensure all safety measures are understood and implemented and to cover specific procedures in case of emergency. If necessary, practical training exercises will be conducted on escape routes, signage, evacuation and rescue.

7.4. First AidASEM-MST-EL-10 Rev.0 Page 4 of 10


Prior to the commencement of work, arrangements will be made for medical facilities and medical personnel to be available from prompt attention to the injured person. The contractor’s vehicle assigned to the job site will be used for transporting the injured person to the first aid station and to the nearest hospital when required.

Name of On-Site First Aider/s:

First Aid Box Location:

Location of Nearest Hospital:

First Aid and Medical Supplies available at site:

Potable Water Ice Cubes

10x6cm Sterile Gauze Pad 4x6cm Gauze Roller Bandage

10x10cm Sterile Gauze Pad 8x10cm Gauze Roller Bandage

Large Sterile Gauze Pad 10x12cm Gauze Roller Bandage

Burn Dressings 5cm Elastic Bandage

7.5cm Elastic Bandage 10cm Elastic Bandage

Triangular Bandage Barrier Device for CPR

Adhesive Skin Tape Adhesive Leucoplast Tape

Emergency Blanket Safety Pins

First Aid Scissors Tweezers

Disposable Gloves Instant Cold PackNon-prescription Medicines (Aspirin, Ibuprofen, Acetaminophen) First Aid and Burn Spray, Deep Heat Spray

8. Detailed Construction Sequence (Methodology)

8.1. Procedure

1- 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 unswitched SPUR outlet located above the FACP concealed

above false ceiling. The unswitched 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.

2- 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.

3- 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.

4- 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.

5- 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

9. TESTING AND COMMISSIONING FOR FIRE ALARM SYSTEM

9.1 Introduction & Scope

1.1 This method of statement specifies the detailed requirement and procedures for the Testing and Commissioning of Fire Alarm System.

9.2 Location of Activity Control room.

9.3 Method & Procedure

9.3.1 Pre-commissioning

1. Check all panels and detectors are installed in their proper location.

2. Ensure work access is permitted at all fire equipment installation locations on site.

3. Ensure temporary mains supply for the programming computer is made available at each control panel location.

4. Ensure installation technicians (preferably those involved in the system installation and cabling) are present on site with necessary tools.

5. Check third party equipment technicians are available for interface testing.

9.3.2 Visual Checks:1. Check installation of fire alarm system cables for proper laying, termination, clipping, labelling, and

identification.2. Check cable connection to the F.A.C.P. battery, repeater panel.

9.3.3 Insulation Resistance Test:



1. Check insulation resistance between cores with a 500 V megger.2. Tabulate readings.

9.3.4 Functional Checks:1. Fire Alarm:

a. Put the system into operation as per manufacturer’s recommendation. b. Simulate fire conditions by generating smoke/heat to activate the detectors. c. Check display of detector number check operation of LED on the detector

2. Check display on network. 3. Check the printer operation

4. Fault Alarm: a. Simulate fault situations like power failure, battery on, open circuit. b. Check visual display in the panel.

9.3.5 Interlock Check:1. Simulate fire conditions in each zone.2. Check that the FAHU/AHU in that zone cuts out.3. Check the operation of fire roller shutters pressurization fans, lifts, VA system and extract fans.

9.3.6 Monitoring Features:1. Activate the sprinklers/fire hose reel2. Check panel monitoring facility for fire pumps/sprinkler pump/zone control valves.

9.3.7 Other Checks:1. Test Both Primary and Secondary Power: Verify by test that the secondary power system is Capable of

operating the system for the period and in the manner specified.2. Sound Levels: Measure and submit audible sound levels. Verify that 15 decibels (dB)3. above ambient noise levels or 5 dB above the maximum sound level that occurs at the

Location for 60 seconds or more, but not greater than 120 dB, is achieved.4. Tag all equipment, stations, and other components at which tests have been satisfactorily completed.5. Contractor shall be responsible to replace and make operational all damaged

Equipment/accessories, if any, which are part of existing, while connecting to existingSystem.

9.4 Testing and Commissioning

1. Pre-testing: After installation, align, adjust and balance the system and perform complete pre-testing. Determine, through pre-testing, the compliance of the system with requirements of the Drawings and Specifications. Correct deficiencies observed in pre-testing. Replace malfunctioning or damaged items with new ones and retest until satisfactory performance and conditions are achieved. Prepare forms for systematic recording of acceptance test results.

2. Report of Pre-testing: After pre-testing is complete, provide a letter certifying the installation is complete and fully operable, including the names and titles of witnesses to preliminary tests.

3. Final Test Notice: Provide a minimum of 10 days’ notice in writing when the system is ready for final acceptance testing.

4. Minimum System Tests: Test the system according to procedures outlined in NFPA 72. Minimum required tests are as follows:



a. Verify the absence of unwanted voltages between circuit conductors and ground.

b. Test all conductors for short circuits using an insulation-testing device.

c. With each circuit pair, short circuit at the far end of the circuit and measure the circuit resistance with an ohmmeter. Record the circuit resistance of each circuit on Record (As-Built) Drawings.

d. Verify that the control unit is in the normal condition as detailed in the manufacturer’s operation and maintenance manual.

e. Test initiating and indicating circuits for proper signal transmission. Observe proper signal transmission according to class of wiring used.

f. Test each initiating and indicating device for alarm operation and proper response at the control unit. Test smoke detectors with aerosol canister.

g. Test the system for all specified functions according to the approved operation and maintenance manual. Systematically initiate specified functional performance items in each station, including making all possible alarm and monitoring initiations and using all communication options. For each item, observe related performance at all devices required to be affected by the item under all system sequences. Observe indicating lights, displays and signal tones.

h. Test both Primary and Secondary Power. Verify by testing that the secondary power system is capable of operating the system for the period and in the manner specified.

i. Re-testing: Correct deficiencies indicated by tests and completely retest work affected by such deficiencies. Verify by the system test that the total system meets specified requirements and complies with applicable standards.

j. Report of Tests and Inspections: Provide a written record of inspections, tests and detailed test results in the form of a test log. Submit log on the satisfactory completion of tests.

k.Tag all equipment, stations and other components at which tests have been satisfactorily completed.

l. Contractor shall be responsible to replace and make operational all damaged equipment/ accessories, if any, which are part of existing, while connecting to existing system.

9.5 Responsibilities

9.5.1 The Project Engineer will be responsible for the following:

1. To ensure that all the preparation and arrangement are in place before and during testing and commissioning.

2. To ensure that all necessary tools and equipment’s to carry out the testing and commissioning is available at the area under test.

3. To initiate the testing and commissioning Work Inspection Request (WIR) by preparing necessary attachment and specify the exact area to be tested and inform the QA/ QC engineer that the area is ready for testing and commissioning.

4. To coordinate with the Main Contractor, MEP Coordinator and Safety Officer for a safe and proper execution of the works.



9.5.2 The Site Engineer will be responsible for the following:

1. To prepare all tools, equipment and manpower, necessary to carry out the testing and commissioning.

2. To provide all necessary information required.

3. To coordinate with the Safety Officer and to ensure that the works are carried out in safe practicing methods.

9.5.3 The QA/ QC will be responsible for the following:

1. To carry out pre-inspection and conduct pre-testing to ensure that the system and area under test is complete and fully functional.

2. To facilitate the submission of testing and commissioning Work Inspection Request and ensure that the documentation is complete and duly signed by all concerned parties.

9.6 Equipment

The equipment’s that will be engaged for testing and commissioning of the Fire Alarm System will be as follows:

1. Insulation Resistance Tester2. Multi Meter3. Technician’s Hand Tools4. Aerosol Canister5. Hot Blower

10. Construction Program

As per main program

10.1 Housekeeping

The work area shall be maintained neat and tidy as reasonably practical at all times.

10.2 Protection of Executed WorksExecuted works in areas where other works are still being carried out shall be protected as per the contract requirements.

10.3 Responsibilities

PositionOverall Resp. Supervise Perform Short Description

Project Manager

Construction Manager

Project Engineer

Site Manager

Site Engineer Land Surveyor Safety Engineer

QA/QC Engineer



MEP Coordinator

General Foreman

Foreman Charge hand

Labourer Helper

10.4 RecordsIn accordance with the Quality Management System, the following records will be maintained as documentary evidence of the establishment of this method statement:

Records to be retained Responsibility Minimum Retention Period

Disposition

Work Notification( If required)

Site Manager As per ContractRequirements

Request for Inspection( RIW )

QA/QC Engineer As per ContractRequirements

11. Inspection and Testing & commissioning.

In Process works shall be monitored for quality of workmanship and installation against approved shop drawings by the relevant supervisor.

All works shall be inspected for conformance to specification. The inspection formats shall be used in accordance with the requirements of the main contractor UNEC. An inspection request for the installation & testing & commissioning of fire alarm system shall be submitted

one day prior to the consultant.

12. Related Forms

As per required forms, from main contractor

13. Attachments

Risk Assessment
