exw-p007-0201-mc-keo-rp-00216.pdf

Tunnel Fire Safety Systems Specification

Doc. No. EXW-P007-0201-MC-KEO-RP-00216 Page i

Rev. D02

Control Sheet

IA/12-13/D/003/ST

Pre Contract Professional Consultancy Design Services

for AI Rayyan Road & AI Bustan Street South (P007)

AL RAYYAN ROAD

Al Rayyan Road

R6 Junction Road Tunnel


Prepared by:

Doc. No.: EXW-P007-0201-MC-KEO-RP-00216

Rev. D02


Doc. No. EXW-P007-0201-MC-KEO-RP-00216 Page iii

Rev. D02

TABLE OF CONTENTS

1.0 INTRODUCTION .......................................................................................................................................... 1

1.1 Codes and standards applicable .............................................................................................................. 1

1.2 List of Abbreviations ................................................................................................................................. 1

2.0 REFERENCE DOCUMENTATION ................................................................................................................... 4

2.1 Reference Documents .............................................................................................................................. 4

2.2 Reference Drawings ................................................................................................................................. 5

3.0 FIRE SAFETY SYSTEMS ................................................................................................................................ 5

3.1. Video Automatic Incident Systems .................................................................................................... 8

3.2. Emergency Points, Emergency Distribution Panels and Smoke Control Panel (EPs, EDPs and SCPs) 9

3.3. Linear Heat Detection ..................................................................................................................... 10

3.4. Smoke and Heat Detection ............................................................................................................. 10

3.5. Manual Call Points .......................................................................................................................... 11

3.6. Civil Defence Information Boxes ..................................................................................................... 11

3.7. Fire Fighting Systems ...................................................................................................................... 11

4.0 DESCRIPTION OF THE WORKS .................................................................................................................. 11

4.1. General ........................................................................................................................................... 11

4.2. Scope of the Emergency Points and Electrical Distribution Panels Works ...................................... 11

4.3. Scope of the Linear Heat Detection Works ..................................................................................... 13

4.4. Scope of the Smoke and Heat Detection Works .............................................................................. 14

4.5. Scope of the Manual Call Point Works ............................................................................................ 14

4.6. Scope of the Civil Defence Information Box Works ......................................................................... 15

4.7. Scope of the Fire Main and Hydrant Works .................................................................................... 16

4.8. Tunnel Fire Main ............................................................................................................................. 16

4.9. Hydrants and Breeching Points ....................................................................................................... 16

5.0 TECHNICAL DESCRIPTION .................................................................................................................. 17

5.1. Functional Requirements ................................................................................................................ 17

5.2. Fire Mains and Hydrants ................................................................................................................. 19

5.2.1. Design Parameters ..................................................................................................................... 19

6.0 TESTING ............................................................................................................................................ 26

6.1. Factory Acceptance Test ................................................................................................................. 26

6.2. Site Acceptance Test ....................................................................................................................... 26

6.3. Maintenance and Re-calibration .................................................................................................... 28

6.4. Training ........................................................................................................................................... 28

7. SCADA/PMCS – I/O INTERFACE ............................................................................................................. 29


Doc. No. EXW-P007-0201-MC-KEO-RP-00216 Page 1 of 29

Rev. D02

1.0 Introduction

1.1 Codes and standards applicable

Hierarchy of codes, standards and specifications

1. National legislation, codes and statutes

2. Regional legislation, codes and statutes

3. This document

4. UK Highways Agency BD78/99 and NFPA 502

5. UK Highways Agency Series 7000 specifications

6. PIARC Road Tunnel Manual

7. Ashghal ITS Specifications

8. Federal Highway Administration (System Engineering Handbook for ITS Systems)

9. QCS Specifications 2010

10. WIS Standards

1.2 List of Abbreviations

The abbreviations used in this Specification and the associated Plant Specifications have the

following meanings:

Abbreviation Meaning

ac Alternating Current

AC Air Changes

AFBMA Anti-Friction Bearing Manufacturer’s Association

AI Analogue Input

AIP Approval in Principle

AISI American Iron and Steel Institute

AO Analogue Output

ASTM American Society for Testing and Materials

ATEX ATmosphères EXplosives or Explosive Atmospheres

BS British Standard

BG Break Glass

CCD Charged Coupled Device

CCTV Closed Circuit Television

CD-R Compact Disc Recordable

CD Compact Disc

CDM Construction Design and Management (Regulations)

CDROM Compact Disc Read Only Memory

CER Communications Equipment Room

CM Configuration Management

C of C Certificate of Conformity

CO Carbon Monoxide

COSHH Control of Substances Hazardous to Health

DB Distribution Board

DC Direct Current

DI Digital Input

DMRB Design Manual for Roads and Bridges



Rev. D02


DP Distribution Panel

DO Digital Output

DOL Direct-on-line

DSEAR Dangerous Substances and Explosive Atmospheres Regulations UK (ATEX 137 implementation)

DTS Distributed Temperature Sensing

DW Duct Work (Specification)

EC European Commission

EDP Emergency Distribution Point

EMC Electromagnetic Compatibility

EMF Electromagnetic Fields

EMI Electromagnetic Interference

EN European Standard

EP Emergency Point

EPDM Ethylene Propylene Diene Monomer

EPROM Erasable Programmable Read Only Memory

E2PROM Electrically Erasable Programmable Read Only Memory

EEPROM Electrically Erasable Programmable Read Only Memory

ERT Emergency Roadside Telephone

EX Explosion Proof rated

FAP Fire Alarm Panel

FAT Factory Acceptance Tests

FDS Functional Design Specification

FL Factory Link

FO Fibre Optic

FP Fire Protection

FRLS Fire Retardant Low Smoke

FS Fire Survivable

FSK Frequency Shift Key

FSC Forest Stewardship Council

GSM Global System for Mobiles

GUI Graphical User Interface

HA Highways Agency UK

HDLC High level Data Link Control

HEMP High Energy Magnetic Impulse

HH High-High

HMI Human Machine Interface

HVAC Heating/Ventilation/Air-Conditioning

HVCA Heating and Ventilating Contractor’s Association UK

HV High Voltage

Hz Hertz

IEC International Electrotechnical Commission

I/O Input/Output

IP Ingress Protection

IP Internet Protocol

IRT Incident Response Team i.e. Emergency Services

ISO International Standards Organisation

ITS Intelligent Transportation Systems

LCP Local Control Panel



Rev. D02


LCS Lane Control Signs

LCS Lighting Control System

LEL Lower Explosive Level

LFS Low Fume and Smoke

LHD Linear Heat Detection

LL Low-Low

LPCB Loss Prevention Certification Board

LSOH Low Smoke Zero Halogen

LV Low Voltage, Voltage below 1000 Vac and above 50 Vac.

M&E Mechanical and Electrical

MCB Miniature Circuit Breaker

MCC Motor Control Centre

MCCB Moulded Case Circuit Breaker

MCHW Manual of Contract Documents for Highway Work in the UK

MES Mechanical - Electrical - Systems

MET Metrological/Environmental/Traffic

MMFO Multi-Mode Fibre Optic

MTBF Mean Time Between Failure

MTTR Mean Time to Repair

MUX Multiplexer

MV Medium Voltage, voltage above 1000 Vac but below HV

NAMAS National Measurement Accreditation Services

NEMA National Electrical Manufacturer’s Association

NER Neutral Earthing Resistor

NFPA National Fire Protection Association

NO Nitrous Oxide

NPSH Net Positive Suction Head

NR Noise Reduction

NRV Non-Return Valve

NTCIP National Transportation Communications for ITS Protocol

ODVA Open DeviceNet Vendors Association

O&M Operations and Maintenance

PA Public Address

PABX Private Automatic Branch Exchange

PAVA Public Address Voice Alarm

PC Personal Computer

PEFC Programme for the Endorsement of Forest Certification

PIARC The World Road Association

PLC Programmable Logic Controller

PMCS Plant Monitoring and Control System

PN Pressure Normal

PQP Project Quality Plan

PROM Programmable Read Only Memory

PSU Power Supply Unit

PTZ Pan, Tilt and Zoom

PVC Polyvinyl Chloride

QA Quality Assurance

QC Quality Control

QCS Qatar Construction Standards



Rev. D02

Abbreviation Meaning RAM Random Access Memory

RH Relative Humidity (as %)

RIO Remote Input / Output

RS232 Recognised Standard 232



RTD Resistance Temperature Detector

RTU Remote Terminal Unit

SAT Site Acceptance Tests

SCADA Supervisory Control and Data Acquisition

SCP Smoke Control Panel

SDS Software Design Specifications

SFA Service Factor Amperes

SMFO Single Mode Fibre Optic

TCP/IP Transmission Control Protocol/Internet Protocol

TDSCG Tunnel Design and Safety Consultation Group

TFT Thin Film Transistor (Display Technology)

TM Tunnel Maintainer

TMC Traffic Management Centre/Tunnel Management centre

TOA Tunnel Operating Authority

TR Technical Requirement

TSB Tunnel Service Building

UL Underwriters Laboratories

UPS Uninterruptible Power supply

USB Universal Serial Bus

USSG United States Standard Gage

UK United Kingdom

UKAS United Kingdom Accreditation Service

V Volt(age)

Vac Volts ac

VAID Video Automatic Incident Detection

VCR Video Cassette Recorder

Vdc Volts dc

VDU Visual Display Unit

VESDA Very Early Smoke Detection Aspirator

VID Video Incident Detection

VMS Variable Message Sign

VSD Video Smoke Detection

VSD Variable Speed Detection

WIS Water Industry Specifications UK

XPLE Cross-linked Polyethylene

2.0 Reference Documentation

2.1 Reference Documents

Document Number Title

EXW-P007-0201-MC-KEO-RP-00209 Tunnel SCADA PMCS Control Concept



Rev. D02

EXW-P007-0201-MC-KEO-RP-00210 Tunnel TMC/TSS – SCADA/PMCS Control Interface

EXW-P007-0201-MC-KEO-RP-00211 Tunnel PMCS Smoke Control Panel Control Interface

EXW-P007-0201-MC-KEO-RP-00212 Tunnel PMCS Plant I/O Control Interface List

EXW-P007-0201-MC-KEO-RP-00213 Tunnel CCTV Camera Specification

EXW-P007-0201-MC-KEO-RP-00214 Mechanical, Electrical and Systems – General Specifications

EXW-P007-0201-MC-KEO-RP-00215 Tunnel Pumped Drainage Installations

EXW-P007-0201-MC-KEO-RP-00216 Tunnel Fire Safety Systems Specification (This Specification)

EXW-P007-0201-MC-KEO-RP-00217 Tunnel Panels

EXW-P007-0201-MC-KEO-RP-00218 Tunnel Cross Passage Doors

EXW-P007-0201-MC-KEO-RP-00219 Tunnel Way Finding Signs

EXW-P007-0201-MC-KEO-RP-00220 Tunnel Operational Control Concept

EXW-P007-0201-MC-KEO-RP-00221 Tunnel Ventilation Control Concept

EXW-P007-0201-MC-KEO-RP-00222 Junction R6 Road Tunnel – Detailed Design M&E Systems

EXW-P007-0201-MC-KEO-RP-00223 Contract 2 Underpasses – Detailed Design M&E Systems

EXW-P007-0201-MC-KEO-RP-00224 Not used

EXW-P007-0201-MC-KEO-RP-00225 Underpass Pumped Drainage installations

2.2 Reference Drawings

Drawing No. Title

EXW-P007-0201-JF-KEO-DG-00100-001

RAYYAN ROAD KEY PLAN M&E LAYOUT (SHEET 1 OF 1)

EXW-P007-0201-MC-KEO-DG-00106-001

RAYYAN ROAD FIRE SAFETY TYPICAL PLAN & SECTIONS (SHEET 1 OF 2)

EXW-P007-0201-MC-KEO-DG-00106-002

RAYYAN ROAD FIRE SAFETY TYPICAL PLAN & SECTIONS (SHEET 2 OF 2)

EXW-P007-0201-MC-KEO-DG-00107-001

RAYYAN ROAD JUNCTION R6 TUNNEL-TU1 FIRE MAIN, HYDRANTS & VALVES LOCATION (SHEET 1 OF 8)

EXW-P007-0201-MC-KEO-DG-00107-002


EXW-P007-0201-MC-KEO-DG-00107-003


EXW-P007-0201-MC-KEO-DG-00107-004


EXW-P007-0201-MC-KEO-DG-00107-005


EXW-P007-0201-MC-KEO-DG-00107-006


EXW-P007-0201-MC-KEO-DG-00107-007

RAYYAN ROAD JUNCTION R6 TUNNEL-TU1 FIRE MAIN, HYDRANTS & VALVES SECTION (SHEET 7 OF 8)

EXW-P007-0201-MC-KEO-DG-00107-008

RAYYAN ROAD JUNCTION R6 TUNNEL-TU1 FIRE MAIN, HYDRANTS & VALVES SECTION (SHEET 8 OF 8)

EXW-P007-0201-MC-KEO-DG-00201-001

RAYYAN ROAD JUNCTION 6 TUNNEL TU1 ILLUMINATED EMERGENCY WAY FINDING SIGN LOCATIONS (SHEET 1 OF 4)

EXW-P007-0201-MC-KEO-DG-00201-002


EXW-P007-0201-MC-KEO-DG-00201-003


EXW-P007-0201-MC-KEO- RAYYAN ROAD JUNCTION 6 TUNNEL TU1 ILLUMINATED EMERGENCY WAY



Rev. D02

Drawing No. Title

DG-00201-004 FINDING SIGN LOCATIONS (SHEET 4 OF 4)

EXW-P007-0201-MC-KEO-DG-00301-001

RAYYAN ROAD JUNCTION R6 TUNNEL-TU1 EDP, EP, CCP & TULDB LOCATIONS (SHEET 1 OF 7)

EXW-P007-0201-MC-KEO-DG-00301-002


EXW-P007-0201-MC-KEO-DG-00301-003


EXW-P007-0201-MC-KEO-DG-00301-004


EXW-P007-0201-MC-KEO-DG-00301-005


EXW-P007-0201-MC-KEO-DG-00301-006

RAYYAN ROAD JUNCTION R6 TUNNEL- TYPICAL SINGLE EMERGENCY PANEL ARRANGEMENT (WITHOUT HYDRANT) (SHEET 6 OF 7)

EXW-P007-0201-MC-KEO-DG-00301-007

RAYYAN ROAD JUNCTION R6 TUNNEL- TYPICAL INDIVIDUAL LIGHTING DISTRIBUTION PANEL (SHEET 7 OF 7)

EXW-P007-0201-MC-KEO-DG-00302-001

RAYYAN ROAD JUNCTION R6 TUNNEL-TU1 EDP, EP &CCP GROUP ARRANGEMENT (SHEET 1 OF 1)

EXW-P007-0201-MC-KEO-DG-00401-001

RAYYAN ROAD JUNCTION R6 TUNNEL TU1 PA/VA SYSTEM LOCATIONS (SHEET 1 OF 6)

EXW-P007-0201-MC-KEO-DG-00401-002


EXW-P007-0201-MC-KEO-DG-00401-003


EXW-P007-0201-MC-KEO-DG-00401-004

RAYYAN ROAD JUNCTION R6 ROAD TUNNEL PA/VA SYSTEM LOCATIONS (SHEET 4 OF 6)

EXW-P007-0201-MC-KEO-DG-00401-005

RAYYAN ROAD JUNCTION R6 ROAD TUNNEL PA/VA SYSTEM LOCATIONS (SHEET 5 OF 6)

EXW-P007-0201-MC-KEO-DG-00401-006

AL RAYYAN ROAD JUNCTION R6 ROAD TUNNEL PA/VA CONFIGURATION (SHEET 6 OF 6)

EXW-P007-0201-MC-KEO-DG-00402-001

RAYYAN ROAD JUNCTION R6 TUNNEL TU1 PA/VA SCHEMATIC SHEET (SHEET 1 OF 1)

EXW-P007-0201-MC-KEO-DG-00501-001

RAYYAN ROAD JUNCTION R6 TUNNEL TU1 GENERAL FIRE DETECTION & WARNING (SHEET 1 OF 4)`

EXW-P007-0201-MC-KEO-DG-00501-002


EXW-P007-0201-MC-KEO-DG-00501-003


EXW-P007-0201-MC-KEO-DG-00501-004


EXW-P007-0201-MC-KEO-DG-00601-001

RAYYAN ROAD JUNCTION R6 TUNNEL TU1 VENTILATION LAYOUT (SHEET 1 OF 4)

EXW-P007-0201-MC-KEO-DG-00601-002


EXW-P007-0201-MC-KEO-DG-00601-003


EXW-P007-0201-MC-KEO-DG-00601-004


EXW-P007-0201-MC-KEO-DG-00701-001

RAYYAN ROAD JUNCTION R6 TUNNEL TU1 LANE CONTROL SIGNS LOCATION LAYOUT (SHEET 1 OF 4)

EXW-P007-0201-MC-KEO- RAYYAN ROAD JUNCTION R6 TUNNEL TU1 LANE CONTROL SIGNS LOCATION



Rev. D02

Drawing No. Title DG-00701-002 LAYOUT (SHEET 2 OF 4)

EXW-P007-0201-MC-KEO-DG-00701-003


EXW-P007-0201-MC-KEO-DG-00701-004


EXW-P007-0201-MC-KEO-DG-00702-001

RAYYAN ROAD JUNCTION R6 ROAD TUNNEL PMCS/SCADA COMMUNICATION NETWORK SHEET 1 OF 1

EXW-P007-0201-MC-KEO-DG-00800-001

RAYYAN ROAD JUNCTION R6 TUNNEL TU1 CCTV CAMERA SCHEMATIC (SHEET 1 OF 1)

EXW-P007-0201-MC-KEO-DG-00801-001

RAYYAN ROAD JUNCTION R6 TUNNEL TU1 CCTV CAMERA LAYOUT (SHEET 1 OF 5)

EXW-P007-0201-MC-KEO-DG-00801-002

RAYYAN ROAD JUNCTION R6 ROAD TUNNEL CCTV CAMERA SCHEMATIC (SHEET 2 OF 5)

EXW-P007-0201-MC-KEO-DG-00801-003


EXW-P007-0201-MC-KEO-DG-00801-004


EXW-P007-0201-MC-KEO-DG-00801-005


EXW-P007-0201-MC-KEO-DG-00802-001

RAYYAN ROAD JUNCTION R6 TUNNEL TU1 VAID CAMERA LAYOUT (SHEET 1 OF 5)

EXW-P007-0201-MC-KEO-DG-00802-002

RAYYAN ROAD JUNCTION R6 ROAD TUNNEL VAID SYSTEM SCHEMATIC (SHEET 2 OF 5)

EXW-P007-0201-MC-KEO-DG-00802-003

RAYYAN ROAD JUNCTION R6 ROAD TUNNEL VAID CAMERA CONFIGURATION (SHEET 3 OF 5)

EXW-P007-0201-MC-KEO-DG-00802-004

RAYYAN ROAD JUNCTION R6 TUNNEL TU1 VAID CAMERA LAYOUT (SHEET 4 OF 5)

EXW-P007-0201-MC-KEO-DG-00802-005

RAYYAN ROAD JUNCTION R6 TUNNEL TU1 VAID CAMERA CONFIGURATION (SHEET 5 OF 5)

EXW-P007-0201-MC-KEO-DG-00803-001

RAYYAN ROAD JUNCTION R6 TUNNEL TU1 VAID CAMERA SYSTEM SCHEMATIC (SHEET 1 OF 1)

EXW-P007-0201-MC-KEO-DG-00901-001

RAYYAN ROAD JUNCTION R6 ROAD TUNNEL ERT NETWORK (SHEET 1 OF 1)

EXW-P007-0201-MC-KEO-DG-00902-001

RAYYAN ROAD JUNCTION R6 ROAD TUNNEL LHD DTS SCHEMATIC (SHEET 1 OF 2)

EXW-P007-0201-MC-KEO-DG-00902-002

RAYYAN ROAD JUNCTION R6 ROAD TUNNEL LEAKY FEEDER (SHEET 2 OF 2)

EXW-P007-0201-MC-KEO-DG-00903-001

RAYYAN ROAD JUNCTION R6 ROAD TUNNEL FIRE SAFETY SYSTEMS (SHEET 1 OF 1)

EXW-P007-0201-MC-KEO-DG-00904-001

RAYYAN ROAD JUNCTION R6 ROAD TUNNEL LANE CONTROL SIGN SYSTEM SCHEMATIC (SHEET 1 OF 2)

EXW-P007-0201-MC-KEO-DG-00904-002

RAYYAN ROAD JUNCTION R6 ROAD TUNNEL DMS/LCS CONFIGURATION (SHEET 2 OF 2)

EXW-P007-0201-MC-KEO-DG-00905-001

RAYYAN ROAD JUNCTION R6 ROAD TUNNEL IMPOUNDING SUMP VENTILATION SCHEMATIC (SHEET 1 OF 1)

EXW-P007-0201-MC-KEO-DG-00906-001

RAYYAN ROAD JUNCTION R6 ROAD TUNNEL SCP GA PANEL LAYOUT (SHEET 1 OF 3)

EXW-P007-0201-MC-KEO-DG-00906-002


EXW-P007-0201-MC-KEO-DG-00906-003




Rev. D02

Drawing No. Title EXW-P007-0201-MC-KEO-DG-00907-001

RAYYAN ROAD JUNCTION R6 ROAD TUNNEL – TYPICAL SMOKE CONTROL PANEL LAYOUT (SHEET 1 OF 1)

EXW-P007-0201-MC-KEO-DG-00908-001

RAYYAN ROAD JUNCTION R6 ROAD TUNNEL - CROSS PASSAGE DOORS (SHEET 1 OF 3)

EXW-P007-0201-MC-KEO-DG-00908-002

RAYYAN ROAD JUNCTION R6 ROAD TUNNEL - TYPICAL CROSS CONNECTION DOORS (SHEET 2 OF 3)

EXW-P007-0201-MC-KEO-DG-00908-003

RAYYAN ROAD JUNCTION R6 ROAD TUNNEL - DETAIL OF FIRE BRIGADE CONNECTORS (SHEET 3 OF 3)

EXW-P007-0201-MC-KEO-DG-00909-001

RAYYAN ROAD JUNCTION R6 ROAD TUNNEL - DETAIL OF FIRE BRIGADE CONNECTORS (SHEET 3 OF 3)

EXW-P007-0201-CD-KEO-DG-00212-005

Al RAYYAN ROAD JUNCTION R6 ROAD TUNNEL ATTENUATION TANK SECTIONAL DETAIL (SHEET 5 OF 6)

EXW-P007-0201-CD-KEO-DG-00212-006

Al RAYYAN ROAD JUNCTION R6 ROAD TUNNEL ATTENUATION TANK/PLANT ROOM INSTALLATION SCHEMATIC (SHEET 6 OF 6)

EXW-P007-0201-CD-KEO-DG-00208-001

Al RAYYAN ROAD UNDERPASS DRAINAGE CHANNEL DETAILS

3.0 Fire Safety Systems Unless otherwise stated the Contractor shall be responsible for all aspects of the Works described in

this specification.

Unless otherwise stated the Contractor shall be responsible for all aspects of the Works described in

this specification.

The Contractor, in addition to the detailed designs provided by the Designer, shall provide final

design where appropriate, supply, install, test and commission the following, hand-over the systems,

together with other associated equipment and cabling, as detailed in this specification, the main

items are:.

• Fire main and breeching points

• VAID (Video Automatic Incident Detection) systems in the tunnel

• SCPs, EDPs, CCPs and EP (Smoke Control Panels, Electrical Distribution Panels,

Communication & Control Panels and Emergency Panels Distribution Panels) in the tunnel;

• LHD DTS (linear heat detection distributed temperature sensing) in the tunnel

• Plant room smoke and heat detection; and

• Manual call points in tunnel, at the portals and in the drainage plant room

• TSB (Tunnel Service Building) Fire Alarm and protection systems

• Interfacing between the system

• Interfacing to the PMCS/SCADA through to the CCTV

The implementation of these systems shall require the installation and interfacing with all the

appropriate Plant as necessary.

3.1. Video Automatic Incident Systems

A single combined VAID (Video Automatic Incident Detection) system will be provided



Rev. D02

Video Automatic Incident detection system shall be provided to cover the following activities:

• the Video Incident Detection including smoke as an incident

• Pedestrians and animals

• Stopped vehicle

• Slow moving vehicle

• Debris, detection size limit ≤ 0.125m3

• Vehicle wrong way (Must be disabled when contra flow is initiated)

The requirements for this system are detailed in the VAID specification and layout drawings.

3.2. Emergency Points, Emergency Distribution Panels and Smoke Control Panel (EPs,

EDPs and SCPs)

Emergency Points (EPs) shall be provided along the nearside wall in the tunnel nominally every 50m

centres.

Electrical Distribution Panels (EDPs) shall be provided at eight EP locations, nominal 100m centres.

Communication & Control Panels will be located adjacent to EDP’s.

Smoke Control Panels (SCPs) shall be provided at approximately 50 meters outside the portal

openings, in four locations. (At the approach and exit to each tunnel bore).

For layout and general material selections see UK HA DMRB BD78/99 Volume 2 section 2 page 8/12

figure 8.3 including the text in that section and the UK HA MCHW Volume 5 Section 7 Part 2

Standard performance specifications.

The aforementioned documents can be found on the following web site: http://www.dft.gov.uk/ha/

standards/dmrb/index.htm and can be downloaded for free.

http://www.dft.gov.uk/ha/%20%20standards/dmrb/index.htm

http://www.dft.gov.uk/ha/%20%20standards/dmrb/index.htm



Rev. D02

Linear Heat Detection System

PMCS/SCADA

SCP x 2 Southbound

SCP x 2 Northbound

Fibre optic

Loop Northbound

Fibre optic

Loop Southbound

VAID

cameras

EDPs,

EPs

Door

switch

signals

Video Incident Detection

system

VAID

Tunnel

ApproachesTSB

PLC and

Fiber Switch

PLC and

Fiber switch

PLCs and

Fiber switches

He

at/

fire

/sm

oke/g

as

de

tecto

rs

PLC and

Fiber switch

PLC and

Fiber switch

Sump

PLC and

Fiber switchSump Plant

room

Medium Density

Foam system

FAP

FAP

FAPFire Alarm

Panel

FAP

Linear Heat Detection System

Fire Alarm

Interface

Southbound

Fire Alarm

Interface

Northbound

Door

switch

signals

Key

PLCProgrammable

Logic Controller

SCADASupervisory Control

and Data Aqvisition

Tunnel

Door

switch

signals TSB Engineering

Terminal

PLCs and

Fiber

switches

Plant

rooms

Heat/fire/smoke detectors

PLC and

Fiber switch

TSB,

Sump

Em

erg

en

cy a

nd

Ma

inte

na

nce

Te

lep

ho

ne

s

Door

switch

signalsx2

PLCs and

Fiber

switches

x2

Figure 1: Fire and Incident Detection System Interfaces (Not all equipment shown)

3.3. Linear Heat Detection

A linear heat detection system shall be provided to monitor temperatures along the entire length of

the road tunnel in each bore and raise alarms if the temperature rises exceed certain thresholds

within each zone and with an accuracy of ½ metre.

The Contractor shall provide a new Fire Alarm Interface Panel (FAIP) for each bore which will allow

for the transmission of the number of zones as indicated on the LHD DTS system schematic and that

will allow for the creation of an independent audible alarm with a reset facility for each bore.

3.4. Smoke and Heat Detection

Smoke and heat detectors (and call points and sounders) shall be provided in the tunnel drainage

plant room and this shall be interfaced with the FAIP as a separate zone.

Further systems will be installed within the impounding sump and these shall interface with the FAIP

as a separate zone.



Rev. D02

3.5. Manual Call Points

Manual call points shall be provided along the tunnel at the EPs and Cross-Passage Doors, within the

drainage plant room and at each portal.

3.6. Civil Defence Information Boxes

Civil Defence Information boxes shall be provided at the north and south portals of each bore in

close proximity to the SCPs. Within the CDIs shall be contact details for TMC and the TOA.

Note: This fracility my be included within the SCP itself.

3.7. Fire Fighting Systems

3.7.1. Fire Mains, Hydrants and Hose Reels

A new fire main shall be installed including all hydrants, NRVs at the supply points, section isolation

valves, automatic air release valves, drain-down valves and 2 breeching points connected to the fire

main, and the supply isolation arrangements to the fire main.

The fire main is directly supplied from connections to two Kahramaa potable mains distribution

system, one on the north side and one on the south side of the tunnel.

From the fire main feeder allowance shall be made to feed all the hose reels and hydrants in the EPs

and at the portals. A cross connection from the fire main in either bore will be routed through the

drainage sump plant room to feed the medium expansion foam system, the flush pipes for the

contaminated suction pipes and a connection tapping for high pressure water washing.

Hose Reels shall be installed in all EDPs as shown on the EDP drawings

3.7.2. Portable Fire Extinguishers

Portable fire extinguishers shall be provided in the drainage plant room, EPs and the Tunnel Service

Building throughout.

4.0 Description of the Works

4.1. General

Unless otherwise stated the Contractor shall be responsible for all aspects of the Works described in

this specification.

The Contractor shall final designs where appropriate, supply, install, commission and test the Works,

according to the contract, including any work, matter or requisite not particularly described in these

specifications.

4.2. Scope of the Emergency Points and Electrical Distribution Panels Works

The Works associated with the SCPs, EPs, CCPs and EDPs includes the following main items:

• panel work complete with doors and micro switches;

• emergency telephone;



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• illuminated SOS sign;

• portable fire extinguishers;

• hydrant connections;

• hose reel cabinet;

• electrical panels;

• communications panels;

• PTZ wash bottle cabinet

• Fibre optic patch panels, and

EDPs shall be adjacent to EPs at 8 locations through each bore:

The following shall be included at each EP:

• Emergency Roadside Telephone (ERT);

• 2 hand-held fire extinguishers in cabinets;

• hydrant cabinet (100m centres i.e. every second EP)

• hose reel cabinet

• PTZ wash bottle cabinet.

The following shall be included at each CCP:

Communications panel

Communications distribution panel

Fibre optical cable patch panel

Lane Control Sign (LCS, DMS) interface equipment

PAVA Amplifier

The following additionally shall be included at each EDP:

• 3 No. electrical distribution panels as specified

o A Mains supply distribution panel

o A UPS supply distribution panel (Emergency Lighting)

o A UPS supply distribution panel (Communication & Control Equipment)

• A cabinet accommodating protection, contactors and softstarters for jetfans drive motors

• Dividing walls for internal separations and cableways for internal distribution

• Glanding plates for cable terminations

• Internal fire proofing for unprotected surfaces

All cabinets containing electrical panels, communications distribution panels, and communications

panels shall be fitted with hinged doors fitted with cam locks. ERTs, fire hydrants and portable fire

extinguisher enclosures shall be fitted with hinged self-closing doors. All doors shall be fitted with

micro switches, linked to the SCADA system via the distributed PLC system to alarm when a door is

opened.



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The Contractor shall co-ordinate the EPs, CCPs and EDPs design and materials specification with the

Cable Ways as detailed in project information.

The EPs, CCPs and EDPs shall be integrated into the design and installation of the Cable Way such

that there is a seamless transition.

The Contractor shall co-ordinate the design of the EPs, CCPs and EDPs with the requirements of all

services which shall be located in these areas to ensure all Plant can be installed, operated and

maintained.

4.3. Scope of the Linear Heat Detection Works

The Works associated with the linear heat detection includes the following main items:

• ‘Sensor Cable’ Fibre optic cables;

• FAIPs;

• Cable containment;

• Programming of the LHD DTS controllers;

• Testing of northbound and southbound systems; and

• All terminations and junction boxes.

Two LHD DTS control units shall be installed in the TSB that will provide temperature monitoring and

alarms including an audible alarm, one control unit for each bore.

Each LHD DTS control unit shall be fitted with interface modules to provide outputs for a separate

bore Fire Alarm Interface Panel (FAIP). These panels shall be supplied and installed by the Contractor

in the Tunnel Service Building.

The Contractor shall configure each control unit to provide the required hardwired fire detection

zones for each bore, using a PC with windows software.

Preliminary indications are that the following indicative fire alarm zone quantities will be required:

1. North bound bore: Fire zones to match the VAID zones withinin the bore (LHD, VAID

(smoke), BG units) plus 2 zones for the pump plant room and the containment sump.

2. South bound bore: Fire zones to match the VAID zones withinin the bore.

3. Tunnel Service Building: 10 zones plus other plant areas

Setting zone lengths and alarm thresholds together with system calibration shall be performed using

the Windows software. The zone settings and alarm thresholds shall be adjustable through this

facility at a future date if required.

Each zone of each bore shall have a pre-alarm and a main alarm and any available system alarms.

The zones shall cover starting at the entry portal and have a nominal length of 50 metres and shall

coincide with the VAID incident zones designed for that system.

The Contractor shall also configure the control units to provide detection of a fire in the VAID

incident smoke detection zones. These VAID smoke incident detection zones will be presented to the



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each FAIP in the TSB either via a hardwired relay interface or as a series of addressable alarm

registers through a communications interface.

An audible voice alarm which shall be initiated from the SCADA through the PAVA via the integrated

fire alarm system and this alarm shall be generated within each bore separately.

Each LHD DTS detection zone shall be programmed with a fixed temperature alarm threshold plus a

rate of rise alarm setting. The rate of rise setting shall be determined following site monitoring. The

rate of rise function shall be adjustable in terms of rate of change with time and number of iterative

counts, to eliminate false alarms.

The fibre optic cable shall be designed as a loop system, with both ends of the loop connected to the

LHD DTS control unit, such that any break in the sensor cable shall automatically be detected and the

system shall operate as two single ended sensors.

The fibre optic cable shall be installed in the tunnel crown on a 100mm cable tray, and be run as one

continuous loop starting and ending at a junction box located in the tunnel and connected to the TSB

via cold ends.

The linear heat detection system control unit shall be connected to the junction box using

SWA/LSOH fibre optic cable.

The temperature sensing fibre optic cable shall be laid in the cable tray and shall be attached to the

tray using stainless steel cable ties at approximately 2m centres.

A full installation method statement detailing the handling requirements and recommendations, e.g.

the minimum bending radius, bending tools to be used and means of tube connecting, shall be

produced by the Contractor and issued to the Project Manager for approval at least 6 weeks prior to

the programmed installation dates.

4.4. Scope of the Smoke and Heat Detection Works

The Works associated with the smoke and heat detection system includes the following main items:

• Install smoke and heat detectors in all plant rooms, (and call points and sounders);

• Install Fire alarm panels as necessary

• Mounting arrangements; and

• Fire safe cabling and cable clips.

The system shall include the integration of manual call points into a single alarm system.


designs where appropriate for the detection system and submit it to the Project Manager for

approval prior to installation.

4.5. Scope of the Manual Call Point Works

The Works associated with the manual call points includes the following main items:



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• Install manual call points and, (and sounders, smoke and heat detectors in the plant rooms);

• ‘Fire alarm call point’ safety sign; and

• Fire safe cabling and cable clips.

Call points shall be located at the following locations:

• Throughout the tunnel at the EDP and EPs, at Cross Passage Doors and at the portals in each

bore,

• External to the drainage area access doors; and

• Within Attenuation Tank plant room (including fire and smoke detection and sounders in a

separate zone).

The Contractor shall produce an integrated system of all the diverse systems including the manual

call points located and incorporated within the zone in which it is located.

The system shall include the integration of LHD DTS, the VAID, the call points, the smoke and heat

detectors and the alarm devices such as bells and the PAVA into a single detection and alarm system

including the activation of the CCTV system for automated viewing of the alarmed area according to

the cause and effect matrix for these systems.

The TSB shall have separate fire protection systems, fire alarm and detection systems, integrated

into the TSB building services installations according to the cause and effect matrix for these

systems.


designs where appropriate for the detection system and submit it to the Project Manager for

approval prior to installation.

Note: Within the air intake position from the underpass are integrated into the ductwork heat and

smoke detection, if these are activated then there is an incident in the underpass, this shall activate

the fire alarm in the pump plant room, but the remainder of the tunnel fire alarm must not be

activated. The pump plant room must be evacuated in this circumstance, due to the ventilation

system for the plant room being isolated by the fire damper in the intake position, however

otherwise there are no further actions to be taken.

4.6. Scope of the Civil Defence Information Box Works

The information boxes will contain plans and information for the fire brigade.

The Works associated with the Civil Defence information boxes includes the following main items:

• The Civil Defence information box;

• tunnel layout drawings complete with passive and active fire protection details;

• operational incident information sheets;

• ventilation operational response modes;

• CD of additional information as specified;

• TOA and TMC Contact details; and



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• All fixings and keys.

The Civil Defence information boxes shall be installed at each portal Smoke Control Panel.

The final contents and format of the Civil Defence information box shall be determined through

consultation with the Civil Defence Authority and submitted to the Project Manager for approval.

The Civil Defence information boxes shall have registered keys which shall only be available through

authorised channels by authorised individuals.

4.7. Scope of the Fire Main and Hydrant Works


designs where appropriate, supply, install, test and set to work a new fire main between two

Kahramaa connection points on the north and south sides of the tunnel.

The Works associated with the fire main includes the following main items:

• grooved end fire main pipe and connectors;

• all pipe work and pipe fittings required by this specification;

• hydrants complete with landing valves and hose connections;

• breeching inlet connections outside the tunnel portals;

• cabinet enclosures and pipe enclosures;

• non-return valves, isolating valves, cross connections, drain valves and air release valves;

• all associated supports, hangers, brackets and fixings;

• construction of hydrant chambers and lined pipe trenches;

• concrete support plinths;

• labelling and notices, in English and Arabic;

• drawings for approval and manufacture, test reports, operating and maintenance manuals

and record drawings;

The works associated with the fire main are specified in this document and illustrated on the fire

main schematic drawing.

4.8. Tunnel Fire Main

A single 200mm diameter ring circuit fire main pipe shall be installed within the structure forming a

full ring circuit over the two bores.

The fire main shall be continuous in a ring with section isolation valves, cross connections, supply

isolation valves and non-return valves, automatic air-release valves and drain valves at appropriate

positions, between the two Kahramaa supply connection points, one on the south side and one on

the north side of the tunnel.

4.9. Hydrants and Breeching Points

Along the length of the fire main, spaced at approximately 50m intervals, shall be 17 emergency

panels fitted with hose reels, furthermore along the length of the fire main, spaced at approximately



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100m intervals, shall be 8 emergency distribution points in each bore. Each emergency distribution

point shall have a hydrant connection fitted with two landing valves.

A further 2 No. underground hydrants shall be installed in each of the tunnel portal areas, 4

underground hydrants in total.

‘Wet’ breeching inlet points shall be provided outside the tunnel portals to allow the Civil Defence

to boost the pressure in the fire main should the Kahramaa mains supply pressures be inadequate

for fire fighting purposes.

The breeching points shall be complete with backflow prevention to protect the local mains supply

from over pressurisation and to maintain the required conditions within the fire main.

4.10. Scope of the Portable Fire Extinguisher Works

The Works associated with the portable fire extinguishers includes the following main items:

• 6kg and 9kg Aqueous Film Forming Foam (AFFF) portable fire extinguisher;

• CO2 portable fire extinguishers;

• mounting brackets for each installed extinguisher set; and

• all safety signs in English and Arabic

The Contractor shall install the following portable fire extinguishers:

• 1 No. 6kg and 1 No. 9kg AFFF in each EP and EDP

• 2 No. CO2 in the plant room

• 2 No. CO2 at 5 positions at the Tunnel Service Building

The Contractor shall install all relevant approved safety signs at each location and all mounting

brackets.

5.0 Technical Description

5.1. Functional Requirements

5.1.1. Emergency Points and Emergency Distribution Panels

5.1.1.1. Panels

The panel will in addition to all the fire safety systems listed here contain equipment for the CCTV,

the VAID, the PMCS/SCADA, the PAVA, the single mode fibre optic communication system, the LV

distribution system and the ERT (Emergency Roadside Telephone system)

5.1.1.2. Emergency Panel ERT Call Sign

All EDPs, EPs will have a telephone call sign located above the position of the ERT within them. All

ERTs outside EDPs and EPs will also have call signs in a close proximity of the position. This call sign

will activate when the phone is called from another phone location, being it from a maintenance

phone or from the TSB or the TMC.



Rev. D02

The signs are typically laid out as shown in the embedded picture below:

5.1.1.3. Linear Heat Detection

The optical fibre to be used in conjunction with two LHD DTS control units shall be procured by the

Contractor from the control unit supplier. The fibre cable shall be 50/125 micron

(core/cladding/Acrylate coating) graded index communication grade multimode optical fibre with 2

cores. The optical fibre cable shall be encased in a 3.2mm O.D. x 0.5mm wall thickness stainless

steel 316L metal tube.

The Contractor shall include for the appropriate number of remote splice connection boxes suitable

for the installation design.

The fire detection resolution shall be ±0.5m, and the maximum polling time shall be less than one

minute.

5.1.1.4. Smoke and Heat Detection

Smoke detectors shall be photo optical or ionisation types mounted in accordance with

manufacturer’s recommendations.

All detectors shall incorporate an LED indicator. The LED shall flash when the detector is functioning

normally and be oriented to be clearly visible for checking purposes.

The detector shall incorporate an electronic device with binary code to signal its identity along the

same loop. Upon being scanned or addressed, the detector shall issue a current of appropriate

duration to signals its level of sensitively at that time.

All detectors shall be grouped within fire alarm zones, which shall meet the requirements of BS

5839-1: Fire detection and fire alarm systems for buildings. Code of practice for design, installation,

commissioning and maintenance of systems in non-domestic premises.



Rev. D02

5.1.1.5. Manual Call Points and sounders

Manual call points shall be either stand-alone units or integral to an analogue addressable fire

detection system or systems.

Electronic sounders shall be loop powered.

Within buildings the manual call points shall be connected to the fire detection loops used by the fire

panels. These units shall be red in colour and fitted with non-frangible elements, which can be re-

set.

All call points shall be grouped within fire alarm zones, which shall meet the requirements of BS

5839-1: Fire detection and fire alarm systems for buildings. Code of practice for design, installation,

commissioning and maintenance of systems in non-domestic premises and BS EN 54-11: Fire

detection and fire alarm systems. Manual call points.

5.1.1.6. Fire Brigade Information Boxes

The design of the information boxes shall be approved by the Civil Defence authorities.

The information boxes shall have an external photo-luminescent logo to enable a fire fighter to

quickly locate the box in reduced visibility and a photo-luminescent key-turn sticker to aid location of

key hole.

The box and door shall be constructed from Stainless Steel 304 or grade 1.4301 as listed within BS

EN 10088-1: Stainless steels. List of stainless steels, finished in a durable red paint finish.

Doors shall be spring loaded, with tamper proof hinges.

Locks shall have an anti-glue facility and anti-drill system and be certified to BS EN 1303: Building

hardware. Cylinders for locks. Requirements and test methods: Grade 5 and Grade 6 shall be

selected.

5.2. Fire Mains and Hydrants

5.2.1. Design Parameters

5.2.1.1. Underground Hydrant System

(Simultaneous flow from (2) hydrants in a specific section in a specific area)

• Required water flow - 2000 l/m

• Residual pressure - 35 – 40 psig

• Average water flow duration - 10 h/day

• Quantity of water required per/day (reservoir capacity as pumpable water) 2.88 million litres

+ 50% = 4.42 million litres.

5.2.1.2. Above Ground Hydrant System

(Simultaneous flow from (2) hydrants in a specific section in a specific area)

• Required water flow - 4000 l/m



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• Residual pressure - 35 – 40 psig

• Average water flow duration - 10 h/day

• Quantity of water required per/day (reservoir capacity as pumpable water) 5.76 million litres

+ 50% = 8.64 million litres.

The aforementioned requirements have been extracted from the document: State of Qatar, Ministry

of Interior – General Administration of Civil Defence – Standards Publication – Water Supply for Fire

Service Doc. No. CD – 004 Rev. 0, Dated: 12/06/2008

5.2.1.3. Pipework

All pipes, connectors, valves and fittings shall be designed for a minimum working pressure of 16

barG and a 25 year design life.

All pipe lengths shall be hot-dipped galvanised to BS EN ISO 1461 to achieve a minimum galvanised

coating thickness of 100 microns both internally and externally over the whole pipe length.

All pipe fittings shall be factory manufactured and flanges and bolting shall comply with BS EN 1092-

1: Flanges and their joints. Circular flanges for pipes, valves, fittings and accessories, PN designated.

Steel flanges. Flanges shall be forged steel hub Type 11 machined on the jointing surfaces and on the

outside diameter, and spot or back faced for nuts, with drilled bolt holes and finished galvanised

after welding. Slip on flanges that are welded on one face only shall not be used. Blank flanges shall

be of a thickness not less than the flange to which it is paired. Forged fittings to BS 1640 shall be

used where appropriate. All bends shall be drawn 1.5 times the diameter. Gusseted bends shall not

be used.

Steel bolts, nuts and washers shall be of at least grade 4.6 to BS 4190: ISO metric black hexagon

bolts, screws and nuts. Specification and hot-dipped galvanised to BS EN ISO 1461 to achieve a

minimum galvanised coating thickness of 40 microns. The thread form shall be ISO metric to BS

3643.

Every effort shall be made to protect and preserve the galvanised coating to pipes, fittings and

fixings. For repairs to small areas of damage to galvanised surfaces a minimum of two coats of zinc

rich primer and an approved surface finish coat shall be applied. All sharp edges and burrs shall be

removed prior to zinc coating.

Joint gaskets shall be in EPDM to BS EN 681-1: Elastomeric seals. Material requirements for pipe

joint seals used in water and drainage applications. Vulcanized rubber.

Flange gaskets shall be full faced EPDM or nitrile rubber to BS EN 681-1: Elastomeric seals. Material

requirements for pipe joint seals used in water and drainage applications. Vulcanized rubber.

5.2.1.4. Fire Main Pipe

The fire main pipe shall be 200mm diameter and manufactured from seamless steel tube to BS EN

10216: Part 1 or API 5L in lengths 4m to 6m long. Each length of steel tube shall have rolled grooves

at each end suitable for a ‘Victaulic’ or similar grooved type pipe coupling system. All pipe lengths

shall be hot-dipped galvanised to BS EN ISO 1461: Hot dip galvanized coatings on fabricated iron and



Rev. D02

steel articles. Specifications and test methods to achieve a minimum galvanised coating thickness of

100 microns both internally and externally over the whole pipe length. Rolled groove joints shall be

used to preserve the continuity of the galvanised finish.

For buried or encased pipework MDPE/HDPE PE100 SR11 can be utilised, subject to approval by the

Project Manager.

The fire main shall have a pressure monitoring transmitter point located at the mid-point sump

located within the pump plant room for the protection of the pressure equipment and easy transfer

of the analogue signal to the PMCS/SCADA interface. The signal shall be a 4 – 20 mA current signal

based on a range of 0 – 10 barG and the instrument shall have a minimum x2 overpressure range.

5.2.1.5. Other Pipework

• The upper end of the dropper shall be outside the shaft, but within an enclosure attached to

the shaft wall, in a location to be agreed with the Project Manager. Fitted at the upper end

of the dry dropper shall be a twin inlet breeching point to BS 5041-3: Fire hydrant systems

equipment. Specification for inlet breechings for dry riser inlets that shall be mounted

vertically at 750mm to 800mm above ground level. A 25mm automatic air release valve shall

be fitted above the breeching inlet to release air as the dry pipe is being filled and when

being used as a ‘wet’ dropper. The dropper pipework shall be trace heated where it is

external to the shaft or less than 1m below ground level.

• The lower end of the dropper pipe shall terminate in the lobby area at tunnel road level. At

the lower end of the dropper pipe there shall be a ‘T’ connection fitted with two landing

valves of the bib nose type to BS 5041 series that shall have their outlets pointing towards

the road tunnel. The landing valve hose connection outlets are to be 750mm above lobby

floor level.

• All pipe lengths shall be hot-dipped galvanised to BS EN ISO 1461: Hot dip galvanized

coatings on fabricated iron and steel articles. Specifications and test methods to achieve a

minimum galvanised coating thickness of 100 microns both internally and externally over

the whole pipe length.

• In the tunnel portal areas the pipes connecting the breeching inlets and hose outlets to the

fire main shall be 150mm diameter galvanised steel pipe with flanged connections.

• All connections to the hose reel shall be 28mm diameter OD and shall terminate in the

isolating valve already fitted within the hose reel housing.

• The sump flush connection shall be 28mm diameter OD and shall rum from either bore

through the storm tank and form a ring circuit interconnecting the two fire main, one in each

bore. The connection to the pump wash down hose reel shall be sized to suit the existing

hose reel but no smaller than 25 mm ID.

• The nitrogen foam system room supply connection shall terminate in a suitable fitting to

connect with the water pressure vessel.

• In close proximity to each tank/sump suction pipe at road level a 28 mm OD water supply

shall be terminated in an isolating valve. This will allow for the flushing of the suction pipe

before the vehicle suction is being attached.



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• The supply to each connection shall be fitted with an isolating valve of appropriate size and

duty.

5.2.1.6. Pipe Supports

5.2.1.6.1. Hangers and Supports

The Contractor shall supply and install all hangers, brackets, clips, supports and fixings necessary to

complete the Works.

All pipe work shall be securely supported in such a manner to permit free movement due to thermal

expansion and contraction by means of clips, hangers, and brackets at intervals not exceeding 3m for

200mm diameter pipe, and 2.5m for 150mm and 100mm diameter pipe.

Pipe work supports shall be shaped to fit the pipe outer diameter and sufficiently raise the pipe off

the supporting surface to allow the ‘Victaulic’ type couplings, fittings and valves to be removed and

replaced without removing the supports. All steelwork installed for supporting the pipe work and

fittings shall comply with BS EN 1993-1-3:2006 Eurocode 3. Design of steel structures. General rules.

Supplementary rules for cold-formed members and sheeting. Lateral supports shall be provided

where necessary.

All steel work and clamp bolts or other components that form part of the hanger or support and all

fixings between steel and cast iron materials shall be hot dipped galvanised to BS EN ISO 1461: Hot

dip galvanized coatings on fabricated iron and steel articles. Specifications and test methods to

achieve a minimum galvanised coating thickness of 40 microns.

Fixings into concrete and those that are exposed external to the tunnel shall be stainless steel to BS

EN ISO 3506-1: Mechanical properties of corrosion-resistant stainless steel fasteners. Bolts, screws

and studs: Grade A4.

All supports shall be robust, substantial and firmly and truly fixed, and they shall not transmit either

vibration or stress to either items of equipment or adjacent sections of pipeline, if necessary

intermediate restraints shall be provided. Care shall be taken to ensure that the axis of the pipe is

parallel with the axis of the pipe ring or hanger.

Plant and valves mounted in the pipe work shall be supported independently of the connected pipe

work.

All necessary ancillary steelwork or racking to span between cast in supports, and steelwork for the

support of the vertical risers to the hydrant hose connection points, and the breeching connections

shall be provided by the Contractor. The Contractor’s drawings shall show full details of all

steelwork sizes and fixings and shall show the imposed loads from each service.

No structural steel, the tunnel cast iron segments or structural concrete shall be drilled, and no

anchor braces shall be attached in locations where the installation may result in damage to the

tunnel or building construction, unless the approval of the Project Manager has first been obtained.



Rev. D02

5.2.1.6.2. Provision for Expansion, Contraction and Anchor Points

The design of the fire main shall utilise the axial and angular capability of ‘Victaulic’ type couplings to

cater for the thermal and pressure induced expansion and contraction of the main. For axial

movements the gap between pipe ends shall be pre-set before clamping and provision for expansion

shall be made by changes of direction of the pipe lines.

Allowance shall be made for expansion and contraction in situations where axial movement or

changes of direction are not adequate. Bellows type compensators shall be used that are flanged

and appropriate to the service for which they are to be installed. They shall be of the articulated or

angular type as recommended by a specialist expansion compensator manufacturer. If necessary

suitable purpose made guides shall be installed and fixed in accordance with the specialist

recommendations to ensure that expansion takes place in the correct alignment.

Adequate provision shall be made at all connections to equipment and appliances to minimise stress

arising from contraction and expansion.

Pipe anchors shall be provided as necessary to transfer unbalanced forces to the structure or

prevent items of plant and valves from carrying external forces. Anchor braces shall be installed in

the most effective manner to obtain the required rigidity. Guides shall be provided independent of

the anchors for expansion joints to prevent buckling.

5.2.1.7. Earth Bonding

Earth bonding bosses shall be welded to the pipe prior to galvanising. The boss shall be drilled and

tapped to accept a 10mm threaded bolt and have a machined flat face to accept an earthing lug. The

position of this boss along the fire main pipe should coincide with the emergency point locations.

To ensure electrical continuity between pipe lengths continuity clips shall be provided at each pipe

coupling to meet the requirements of BS 7671: Requirements for electrical installations. IET Wiring

Regulations.

5.2.1.8. Buried Sections of the Fire Main

The fire main pipe between the tunnel portals and the Kahramaa connection points shall be cast in

or buried 1m below ground level in accordance with Design Manual for Roads and Bridges, Volume

2, Section 2, BD78/99: Section 8.38.

The conditions for the fire main shall be considered as aggressive even if the pipework is cast into

concrete and or buried. To prevent corrosion of the pipework sections, they shall be externally

coated with zinc to minimum of 200g/m2 and 2 coats of bitumen paint to provide a further 70um

dry film thickness. Internally the pipes will be coated with a sulphate resisting cement lining. On

installation the pipes will be wrapped in polythene sleeving between pipe ends and the sleeve ends

and pipe couplings shall be tape wrapped in accordance with the requirements in BS EN 598: Ductile

iron pipes, fittings, accessories and their joints for sewerage applications. Requirements and test

methods and BS 6076: Specification for polymeric film for use as a protective sleeving for buried iron

pipes and fittings (for site and factory application). The tape shall be 50mm wide PVC backed tape

with mastic and pressure sensitive adhesive.



Rev. D02

5.2.1.9. Lagging

Non-flammable rock wool type lagging shall be applied to all pipes and fittings and shall extend to

cover all connections, flanges, fittings, valves and hydrants but shall not impede the operation of

these items. The lagging material shall have a protective cladding fitted.

5.2.1.10. Hydrants

Hydrant box covers shall be provided with recesses for lifting keys. The cover shall be of such a

design that it is capable of being lifted by the application of a single chisel ended lever.

Hydrants shall be of the screw-down Type 2 squat pattern fitted with a captive valve. All hydrants

shall close in the clockwise direction.

Hydrants shall have a screwed outlet constructed of gunmetal to BS EN 1982.

The spindle cap shall be secured by a non-corrodible fastener on to stem.

The surfaces of all hydrant components shall be protected from corrosion either by the nature of

their material of construction or shall be coated in accordance with WIS 4-52-01A. Internal water

wetted surfaces shall be coated to Class A standard, all other surfaces shall be coated to Class B.

All fasteners involved in the assembly of hydrants shall be protected from corrosion by the

application of zinc and a polymeric barrier coating in accordance with WIS 4-52-03.

All hydrant installations shall be adjusted by means of riser pipes such that the top of their threaded

outlet is no deeper than 300mm below the upper surface of the cover. The frame and cover shall be

Grade A to BS 750 and have a clear opening of not less the 380mm by 230mm.

All hydrants shall be installed in a chamber with its foundation slab above the tee off the main. The

chamber shall have minimum internal dimensions of 380mm by 230mm clear opening. The

Contractor shall ensure that the hydrant is vertical and that a hose or standpipe can be fixed to the

outlet without being impeded by the frame or chamber walls.

Under pressure tees shall be designed to take the loadings and stresses generated by drilling and

cutting without affecting their structural integrity or sealing characteristics. Where the diameter of

the branch aperture exceeds 70% of the diameter of the host main then the body of the under

pressure tee shall be capable of sealing and supporting the main should a circumferential crack

occur during or after the drilling operation.

Where mechanical couplings are fitted, adequate provision shall be included at valves, tees, bends,

tapers, blank flanges and the like to restrain the pipe system from movement caused by internal

pressures or other reasons. Such provision shall include anchors, ties, thrust blocks or other

restraints as necessary.

5.2.1.11. Hydrants Points in the Tunnel

The hydrants in the tunnel are a combination of the flanged connection pipe off the fire main pipe,

the T-piece fitted to this connection pipe and the two off landing valves fitted to the T piece.



Rev. D02

The connection pipe shall be 80 mm diameter standpipes and fabricated from seamless steel tube to

BS EN 10216-1: Seamless steel tubes for pressure purposes. Technical delivery conditions or API 5L

steel tube. The tube shall be hot dipped galvanised to BS EN ISO 1461: Hot dip galvanized coatings

on fabricated iron and steel articles. Specifications and test methods, to achieve a minimum

galvanised coating thickness of 100 microns both internally and externally over the whole pipe

length.

The landing valves or the combined pressure reducing landing valves shall be bib nose type and have

a 65mm NP16 inlet flange to BS 1092. The hydrant hose connection shall be 2.5 inch female

instantaneous single twist outlets to BS 336. The outlets from the landing valves shall point towards

the roadway.

The lowest point of the hydrant hose connection shall be 750mm above the road level.

5.2.1.12. Hydrants Points Outside of the Tunnel

In the portal areas the hydrants shall be the underground type to BS 750 Type 2 in cast iron squat

pattern with a 3” or 80mm NP16 inlet flange and installed in a pit in the verge of the carriageway in

accordance with BS 5306-0: Fire protection installations and equipment on premises. Guide for

selection of installed systems and other fire equipment. The pit shall be self-draining. The Contractor

shall advise how the hydrants are to be coated to provide corrosion protection equal to that of the

adjoining pipes.

5.2.1.13. Breeching Inlet Points

In both the north and south portal areas breeching points shall be installed that will allow the Civil

Defence to boost the pressure in the fire main.

Each breeching point shall consist of:

a) 150mm diameter inlet and outlet pipes connections to the fire main;

b) 2 off breeching inlets at underpass road level;

c) A 150mm isolating valve to BS 5163: Valves for waterworks purposes in the inlet connection

pipes;

d) A 150mm diameter air collection standpipe above the breeching connections fitted with a

25mm air release valve and isolator. These shall be fitted to outlet pipes;

e) A floor standing securely lockable enclosure in galvanised steel to contain items b), c) and d)

above, and complete with luminares protected to IP66, and drainage from the base of the

enclosure; and

f) All labels, instructions and schematics shall be installed on the pipework, fittings or within

the enclosure.

The outlets within the enclosure that shall be three off bib nose type landing valves to BS 5041-1:

Fire hydrant systems equipment. Specification for landing valves for wet risers, with 65mm NP16

inlet flange to BS EN 1092-1: Flanges and their joints. Circular flanges for pipes, valves, fittings and

accessories, PN designated. Steel flanges. The hydrant hose connection shall be 2.5 inch female

instantaneous single twist outlets to BS 336 Specification for fire hose couplings and ancillary



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equipment. The hose connection points from the landing valves shall point downwards towards the

roadway. The Civil defence will connect hoses to the landing valves and use the fire appliance pump

to boost the supply pressure. The delivery hoses from the fire appliance pump will be connected to

the breeching inlets that shall be 2.5 inch male instantaneous fittings to BS 336 complete with

integral non return valves and rubber blank caps. The breeching inlet units shall be fitted with a

drain valve.

5.2.1.14. Signage

All hydrant assemblies and box covers shall be labelled in accordance with the requirements of BS

750: Specification for underground fire hydrants and surface box frames and covers.

5.2.1.15. Portable Fire Extinguishers

Portable fire extinguishers shall be colour coded in accordance to BS EN 3-7 Portable fire

extinguishers. Characteristics, performance requirements and test methods, and installed in

accordance with BS 5306-8 Fire extinguishing installations and equipment on premises. Selection

and positioning of portable fire extinguishers. Code of practice.

6.0 Testing General testing requirements are described in the Al Rayyan Road, Road Tunnels, MECS General

Specification.

6.1. Factory Acceptance Test

6.1.1. Fire Mains and Hydrants

All Plant shall be subject to testing prior to delivery to site, which shall as a minimum consist of the

following:

• All flanged pipework shall be pressure tested to 1.5 times the design pressure after welding

flanges;

• Isolating valves shall be tested to 1.1 times the rated pressure on both seating faces and 1.5

times the rated pressure on the valve body; and

• Hydrant and breeching valves shall be tested in accordance with BS 5041 series of standards

6.2. Site Acceptance Test

6.2.1. Fire Mains and Hydrants

All Plant when assembled as a complete system shall be subject to site testing which shall as a

minimum consist of the following:

• Visual checks shall be carried out to ensure installation is complete and in accordance with

the Specification;

• All sections of installed pipe complete with fittings shall be tested to 1.25 times the design

pressure, i.e. 20 barG in this instance. For pipework below ground level all testing shall be

carried out before backfilling or enclosing the pipe. The minimum duration of the pressure



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test shall be one hour during which there shall be no loss of pressure and no visible leakage;

and

• The tests shall demonstrate the pressure drops along the fire main at the minimum flow rate

and at the maximum flow rate attainable and the suitability for purpose of the entire fire

main.

6.2.2. Linear Heat Detection

The Contractor shall carry out system tests on the linear heat detection system to prove that it

meets the requirements of the specification.

The Contractor shall undertake a full integration test of all the systems installed, to ensure that they

interface and interact correctly with each other. This integration test shall also prove the overall

system and functionality intent, and the interfaces between the sub-systems and the TMC systems.

The Contractor shall integrate and co-ordinate the (LHD DTS) linear heat detection distributed

temperature sensing testing with the CCTV testing.

The tests shall include, but not be limited to:

• Heating up the sensor cable at a random place in each of the 14 fire zones on each circuits;

• That the additional 2 zones for the pump plant room and the containment sump also are

activates through the sounder interface when the appropriate bore fire alarm is activated

and visa-versa.

• Activate the BG at each position within each fire zone

• Activate the Cross passage doors at each position

The response to these tests shall be to demonstrate the following overall system functionality:

• CCTV cameras either side of the fire location are automatically orientated to view the

location and that a recording of the incident is retained;

• ensure that the TMC operator is notified of each alarm and that the sounder unit connected

to the FAIP in the TSB is operated;

• ensure that the relevant emergency fan plan is set in operation through the TMC operators;

• ensure that the relevant traffic plan on the sign systems are initiated; and

• ensure that the relevant zone alarm is transmitted to the SCADA via the interface.

• ensure that the zone alarm for the pump plant room is transmitted when activated

• ensure that the zone alarm for the containment sump is transmitted when activated.

• Ensure that the pump plant room fire alarm is activated when the ventilation intake at the

underpass is detecting smoke or high heat and activates the fire damper, also that the zone

alarm for that particular activation is transmitted, however also that the fire alarm for the

tunnel is not activated.

Tests shall be carried out under a range of tunnel conditions.

All tests shall be carried out in a coordinated manner in cooperation with the TMC and the TOA. The

Contractor shall produce method statements and Site Acceptance Test specifications and Integration



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test specifications for all aspects of the site testing and integration testing and shall be issued to the

Project Manager for approval at least 12 weeks before any site testing is programmed to take place.

Note: Factory Acceptance testing of this system is not required.

The tests shall demonstrate the complete and correct functionality of the systems in accordance

with this Specification.

Following successful completion of the testing, as approved by the Project Manager, the Contractor

shall issue the completed test specifications to the Project Manager within 4 weeks of the tests.

The site testing shall not be permitted without the Contractor having previously issued the Project

Manager with a complete handover file. The handover file shall include, but not be limited to the

following:

• Equipment register database

• Complete set of as-built drawings and documents;

• Approved O&M manual; and

• Completed installation test and calibration certificates.

• Spares list and minimum spares requirements

• Health and Safety Manual

6.3. Maintenance and Re-calibration

The Contractor shall provide a maintenance and calibration service following installation and for a

period of 12 months after Completion of the Works.

The maintenance and re-calibration is to be carried out at the intervals and standards set by the

manufacturer/supplier of the nitrogen foam system components and to the requirements in BS EN

13565-2:2009 Fixed fire-fighting systems. Foam systems. Design, construction and maintenance. The

periods between maintenance and re-calibration may be amended after 12 months operational

experience.

6.4. Training

The Contractor shall provide operator training to the Tunnel Operators (TOA) after completion of the

installation and site tests but before the system is used to provide protection for the sump under

normal operating conditions.

Further training shall be completed before the end of the maintenance and re-calibration period,

this shall enable the Tunnel Operator (TOA) to maintain and re-calibrate the complete nitrogen foam

system.

The operational and maintenance training shall, as a minimum, meet the requirements of BS EN

13565-2:2009 Fixed fire-fighting systems. Foam systems. Design, construction and maintenance, BS

EN 60079-29-2:2007 Explosive atmospheres. Gas detectors. Selection, installation, use and

maintenance of detectors for flammable gases and oxygen and BS EN 60079-17:2007 Explosive

atmospheres. Electrical installations inspection and maintenance and shall be arranged at times



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agreed with the Tunnel Operators including any other requirement deemed to be necessary to make

the training complete for operational and maintenance personnel.

7. SCADA/PMCS – I/O interface See document EXW-P007-0201-MC-KEO-RP-00212

exw-p007-0201-mc-keo-rp-00216.pdf

Documents

safety systems specification

d02 tunnel

fighting systems

linear heat detection

emergency points

emergency distribution

reference documentation

reference documents