Experts in Water Mist

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Experts in Water Mist

Increasing Metro System`s Safety By High Pressure Water Mist Systems © Copyright by FOGTEC

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Experts in Water Mist

Fire Fighting with Water Mist

Company Technology Research & Development Products Applications

Principals of High Pressure Water Mist

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Distributors

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Experts in Water Mist

Technology - Principals of FOGTEC Water Mist Systems • •

Cooling by heat absorbtion via large surface Inerting by local oxygen displacement

OXYGEN

ENERGY

MATERIAL © Copyright by FOGTEC

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Experts in Water Mist

Technology - Small Droplets - Big Effect

Droplet Diameter

Reaction surface per litre of water

1mm



2m² (convent. technologies)

0,1mm



20m²

0,01 mm



200m² (FOGTEC Water Mist)

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Experts in Water Mist

Technology - Radiant Heat Attenuation • • •

Safe environment for people Protection of nearby objects from radiant heat Prevention from flash over

ENERGY

OXYGEN

MATERIAL

-

335 kJ heating from 20°C to 100°C

- 2,257 kJ by transition from liquid to gas

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Experts in Water Mist

Technology - Inerting by Local Oxygen Displacement „Suffocation“ of the fire by displacement of oxygen at the fire source !

ENERGY

Volume enlargement of 1 litre of water by evaporation: 1 litre, liquid ⇒ 1650 litres, gaseous

OXYGEN

MATERIAL

Oxygen reduction only at the source of the fire ! 22

21

O2 [%]

20

19

18

17

16 0

120

240

360 time [s]

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480

600

ACT IV AT IO N

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Experts in Water Mist

Technology - Absorption of Smoke •

Binding of smoke particles by small droplets



Washing out of gases (e.g. HCL) via huge reaction surface



Less contamination by smoke

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Experts in Water Mist

Fire Fighting with Water Mist

Company Technology Research & Development Applications Distributors

Increasing Metro Systems Safety High Pressure Water Mist Systems © Copyright by FOGTEC

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Experts in Water Mist

Fire Fighting with Water Mist

Company Technology Research & Development Products Applications Distributors

© Copyright by FOGTEC

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Experts in Water Mist

R&D – Partners

Chinese Fire Research Institute Tianjin, China

Institute for Safety Technology

Institute for Safety Technology

Munich, Germany

Rostock, Germany

Japanese Fire Research Institute Tokyo, Japan

Factory Mutual Fire Research Center Boston, USA

German Aerospace Research Centre Cologne / Trauen, Germany

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Norvegian Fire Research Laboratory Trondheim, Norway

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Material Testing Institute Dresden, Germany

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Experts in Water Mist

R&D – Control Cabinet Fire Tests Immediate fire control and suppression for cabinet protection

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Experts in Water Mist

R&D – Metro Escalator Fire Tests

Full scale mock-up with forced ventilation

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Different scenarios with Class A and B fires

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Experts in Water Mist

R&D – Cable Tunnel Fire Tests

Forced ventilation

18 m cable tunnel PVC cables

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Experts in Water Mist

R&D – Rail Track / Under Train Fire Tests

Fire test mock-up with simulated walls

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Hydrocarbon and cable fires under train mock-up

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Experts in Water Mist

R&D – Water Mist Curtain Fire Tests

Fire test in accordance to DIN EN 1363-1 Activated water mist curtain at 3 x 3 m front

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Experts in Water Mist

R&D – Flammable Liquids Fire Tests

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Experts in Water Mist

Fire Fighting with Water Mist

Company Technology Research & Development Products Applications Distributors

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Experts in Water Mist

Metro - Increasing Safety

WHY ? • Self – rescuing is difficult (smoke, heat, human behaviour) • Rapid smoke and fire spread • Enormous heat development • Delayed intervention of fire brigades due to long distances

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Experts in Water Mist

Technology - Fire Development & Rescuing Limits HRR

Normal fire development

System activation

Heat Limit for External rescue

Fire Fighters arrival Heat Limit for Self rescue

with High Pressure Fire Fighting system

Time © Copyright by FOGTEC

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Experts in Water Mist

Metro – Concept Budapest

• Protected areas • Rail track • Cable tunnel • Escalator • Technical control rooms

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Experts in Water Mist

Metro - Reference Metro M2 Budapest

Protection of 9 underground stations - Protected areas Rail track Cable tunnel Escalator Technical control rooms - Open nozzle system - Wet main pipe up to the section valves - Centralised pump unit

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Experts in Water Mist

Metro - Reference Metro M2 Budapest

Section Valves • pneumatic activated • fast operation • leakage rate zero • monitoring switch for open / close

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Experts in Water Mist

Metro - Reference Metro M2 Budapest

Pump System • • • • • •

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4 + 1 times 120 l/min, 120 bar 4 + 1 times 30 kW, 400 V, 50 Hz Jockey pump 2 l/min, 20 bar Air compressor 55 l/min, 10 bar Break tank 1000 l Control cabinet with PLC

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Experts in Water Mist

Metro - Water Mist Suppression System Detection System

Area 1

Area 2

Area 3

Section Valves

Control System ALARM

Control Etc… Room Ventilation

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Pre – filled water supply line

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Experts in Water Mist

Metro - Reference Metro M2 Budapest

Pump System

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Experts in Water Mist

Metro - Reference Metro M2 Budapest

• Nozzle Head • • • •

individual protective caps on every nozzle individual filters on every nozzle stainless steel 100% factory tested

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Experts in Water Mist

Metro - Reference Metro M2 Budapest

Protection of Rail Track

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Experts in Water Mist

Metro - Reference Metro M2 Budapest

Technical Control Rooms © Copyright by FOGTEC

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Experts in Water Mist

Metro - Reference Metro M2 Budapest

Cable Tunnel

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Experts in Water Mist

Metro - Reference Metro M2 Budapest

Escalators

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Experts in Water Mist

Metro – Concept on Ticket Hall Level

Public Areas Escalators and Elevators Cable Tunnels Power supply Rooms False Floors Signaling Equipment Room Telecommunication Rooms Station Managers Office Garbage Room Plattform and Track Protection

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Experts in Water Mist

Metro – Concept on Platform Level Public Areas Escalators and Elevators Cable Tunnels Power supply Rooms False Floors Signaling Equipment Room Telecommunication Rooms Station Managers Office Garbage Room Plattform and Track Protection

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Experts in Water Mist

Metro – Concept on Under Platform Level Public Areas Escalators and Elevators Cable Tunnels Power supply Rooms False Floors Signaling Equipment Room Telecommunication Rooms Station Managers Office Garbage Room Platform and Track Protection

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Experts in Water Mist

Metro – Concept Side View Public Areas Escalators and Elevators Cable Tunnels Power supply Rooms False Floors Signaling Equipment Room Telecommunication Rooms Station Managers Office Garbage Room Plattform and Track Protection

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Experts in Water Mist

Fire Fighting with Water Mist

Company Technology Research & Development Products References Applications

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Experts in Water Mist

Selected References – Main Station Essen, Germany

Main Station in Essen underground -

Protection of all underground sales areas and technical rooms

-

900 nozzles

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Experts in Water Mist

Selected References – Metro Line 2 and 4 in Teheran, Iran

The Project - First Phase of enlargement of the existing Metro Lines 2 and 4 by 9 additional Stations - Protection of all technical Areas, cable tunnels and power supply rooms in the Metro Stations - Protection of all escalators and office areas in the Metro Stations

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Experts in Water Mist

Selected References – Metro Line 2 and 4 in Teheran, Iran

Designed System - Open System in all technical Areas and Cable Tunnels below the Plattforms - One pump Station per station with a capacity of 300l/min each. Each system equipped with a redundant pump. - More than 342 section valves and 3141 nozzles are installed.

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Experts in Water Mist

Makkah Mukarama Metro

Designed System - Open Systems in all machinery spaces. - Stand alone cylinder systems for each individual room. - More than 170 stand alone systems with 700 nozzles are installed.

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Experts in Water Mist

The smarter way of Fire Fighting ! © Copyright by FOGTEC

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