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The Follo Line Project International Presentation Conference 2012 Tuesday 27th november

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Page 1: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

The Follo Line Project International Presentation Conference 2012

Tuesday 27th november

Page 2: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

Facts, scope & strategy Mr. Erik Smith Project Director

The Follo Line Project International Presentation Conference 2012

Page 3: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

The Follo Line will be built to meet

the increased demand for rail

capacity south of Oslo

• 1,1 million residents in the Oslo

region

• 30 % population increase by 2025

• Currently no spare capacity on

neither rail nor road

• 150 000 passengers every day

• Great potential for increased freight

traffic

The Follo Line - Background

Page 4: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

• The largest railway project in Norway

• New double-track railway line between Oslo Central Station and

the public transport centre of Ski

• The whole Follo Line project will comprise around 64 km of track,

while the new double track Oslo-Ski line will be 2x22 km long.

• Extensive works at Oslo Central Station

• Construction of a new station at Ski

• The longest railway tunnel in Norway - approximately 19,5 km

The Follo Line – Facts and scope

Page 5: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

• The Follo Line will reach speeds of up to 250 km/h through the

tunnel,

• The new tunnel will make it possible to reduce the journey time

between Oslo and Ski by 50% (from 22 to 11 minutes)

• The double track line will form the core part of InterCity

development southwards from Oslo and will be a safe, efficient

and environmentally-friendly transport system

Efficient transport

Page 6: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

The Follo Line will pave the way for:

• more passenger trains and freight trains

• a more predictable service

By 2025 the target is:

• 11,000 more passengers every day

• Almost 70% increase in rail passengers to Oslo Central Station during

the rush hour

• More than 40% increase in rail passengers to Oslo Central Station

outside the rush hour

• Approximately 5,800 fewer car journeys per day

• Approximately 750 fewer heavy freight vehicle journeys per day

• Less CO2 emission: a reduction of around 39,000 tons of CO2 per year

(passenger and freight traffic)

Growth and improved passenger satisfaction

Page 7: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

1/11

2013 -> 1/3 1/10 1/4

2014 ->

Q4 2019

Prop. 1S 2013 – 2014: Governmental Proposition

Project completion

1/7

Present schedule

Page 8: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

• Extensive works at Oslo Central Station

• The Follo Line will be constructed with connections to several

platforms

• The work shall be carried out with minimum conflict with other

traffic

• Special attention shall be paid to the Medieval Park

Connection to Oslo Central Station

Page 9: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

Outbound Follo Line Inbound Follo Line Outbound Østfold Line Inbound Østfold Line

Oslo Central Station –

Four tracks through Klypen

Loenga

Oslo C S

Oslo C S Area: Total Track

Length about 9,5 KM

Page 10: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

Loenga Medieval park

New tracks

Medieval park and Loenga

Page 11: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

Oslo Central St.

Medieval park

Oslo Central Station – Medieval park

Page 12: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

• The longest railway tunnel in Norway - approximately 19,5 km

• Tunnel designed for 250 km/h.

• Two separate tubes with cross-passages every 420 meters

• Main excavation method is TBM

• The tunnel part close to Oslo is planned excavated by Drill and

Blast

The Follo Line - Tunnel

Page 13: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

Tunnel sections

App. 25 m

Cross-connections every 500 meter

Page 14: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

Outbound Follo Line Inbound Follo Line Inbound Østfold Line

Tunnels approaching Oslo Central St.

Page 15: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

Complicated crossings near Oslo

Page 16: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

Volum Khepos = 2 600 000 m3

B x d x h = 230 x 230 x 146 meter

• Environmental transport

of excavated materials

• ~ 10 000 000 tons ≈ 4 000

000 m3

• Total volume ≈ 2 x

Kheops pyramide

Excavated materials

Page 17: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

• The new Ski station shall be built with six tracks and three

centre platforms

• The scope will include new subway, new road bridge and bus

terminal

• The scope includes a surface section of approximately 1,5 km,

retaining walls and culverts.

• All together the total length of new tracks in the Ski area is ~

16,5 km.

The Follo Line – Ski area

Page 18: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

Ski station – 3 new centre platforms

Page 19: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

Dagstrekningen Langhus - Ski

Surface section between Ski St. and the

tunnel

Page 20: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

Follo line shall satisfy high requirements to:

• Quality

• Safety

• Reliability

• Maintainability

In order to handle the increasing project portfolio, NNRA has to

consider “new” strategies:

• Larger contracts

• EPC contract models

• Contracts with combination of civil construction and rail

technology

NNRA would like to invite the railway marked to give feedback on

how far and fast we can develop these strategies.

The Follo Line - Strategy

Page 21: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

Requirements to our contractors

High safety standard

• Documented excellent safety record at previous projects

• NNRA will require the bidders to describe in detail how to obtain

top class safety standard

Ability to perform according to agreed schedule and cost

• Experienced and competent organization

Ability to cooperate with client

• Construction close to tracks in operation

Page 22: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

Contract strategy Mr. Geir Olav Benum Procurement Manager

The Follo Line Project International Presentation Conference 2012

Page 23: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

The Project Director emphasised the following:

In order to handle the increasing project portfolio, NNRA has to consider

“new” strategies:

• Larger contracts

• EPC contract models

• Contracts with combination of civil construction and rail technology

The Follo Line Project has, based upon the above overall strategy,

decided to utilise the following main structure. However we would like to

invite the marked to give us constructive feedback about this.

The Follo Line – Contract strategy

Page 24: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

Main EPC Oslo S

EPC Tunnel

TBM

Main EPC

Ski

Railway technologies Part of the railway technology is considered included in the

above mentioned main contracts

Background for the contract format NF/NTK 07

Signal systems Oslo S Signal

Oslo S JBT

EPC Tunnel

D&B

Main contracts

Page 25: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

Oslo Central Station

Combination of Civil and Railway Engineering work:

• Rerouting of cable

• Preliminary piling for culvert

• Preparations for archaeological excavations

• Rerouting of railway tracks at Sydhavna

Combination of Civil and Railway Engineering work:

• Demolition and removal of buildings and railway tracks

Rig area Åsland

Prepare the rig area &

two (three) adit tunnels from Åsland rig area to the future rail tunnels.

Option logistic cavern in connection to operation of the TBMs

Electrical substation

47kV/22kV transformer station with an overall capacity of 40MVA

The Åsland ESS will be fed from two points in the regional power network

Early works Langhus

• Relocating Langhus road approx. 25 m and 600 m. length

• Ground stabilization works

Early works Ski Station

• Extension of cable bridge, incl. foundations

• Temporary catenary foundations

• Temporary relocation of cables

Main contracts for early works

Page 26: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

1/11

2013 -> 1/3 1/10 1/4

2014 ->

Q3 2019 1/7

Present schedule

Prop. 1S 2013 – 2014: Governmental Proposition

Project completion

Page 27: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

• Extensive works at Oslo Central Station

• The Follo Line will be constructed with connections to several

platforms

• There are some restrictions to work in areas related to the

Medieval park

• Tentative schedule:

- Pre-qualification starting March 2013

- ITT will be issued October 2013

- Contract award May-June 2014

- Completion date summer 2019

Main EPC in connection with Oslo C. St.

Page 28: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

Outbound Follo Line Inbound Follo Line Outbound Østfold Line Inbound Østfold Line

Loenga

Oslo

Central St.

Oslo C. area: Total Track

Length about 9,5 KM

Connection to Oslo Central Station

Page 29: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

Oslo Central Station – concrete tunnel (cut & cover)

Page 30: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

Oslo Central Station – concrete tunnel (cut & cover)

Page 31: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

Loenga Medieval park

New tracks

Medieval park and Loenga as built

Page 32: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

Oslo C. St.

Medieval park

Oslo Central Station as built

Page 33: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

• The Follo Line tunnels will be built close to several other tunnels

and caverns.

• The work shall be carried out with minimum disturbance to these

constructions, with restrictions accordingly.

• There will be an interface to Main EPC Oslo Central Station in the

concrete tunnel.

• Tentative schedule:

-Pre-qualification starting March 2013

-ITT will be issued October 2013

-Contract award May-June 2014

-Completion date summer 2017

EPC tunnel D&B in connection with Oslo C.

Page 34: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

D&B in connection with Oslo Central St. Challenging crossings

Page 35: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

D&B in connection with Oslo Central St. Challenging crossings

Page 36: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

Outbound Follo Line Inbound Follo Line Inbound Østfold Line

D&B in connection with Oslo Central St.

Page 37: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

• The longest railway tunnel in Norway - approximately 19,5 km

• Two separate tubes with cross-passage approximately every 500

meters

• Main excavation method is TBM

• Tentative schedule:

-Pre-qualification starting March 2013

-ITT will be floated October 2013

-Contract award May-June 2014

-Completion date mid 2018

EPC for the tunnel using TBM

Page 38: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

Cross-connections every 500 meter

Tunnel TBM

App. 25 m

Page 39: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

Tunnel TBM

Page 40: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

• The new Ski station shall be built with six tracks and three central

platforms

• The scope will includes new subway, new road bridge and bus

terminal

• The scope include a surface section of approximately 1,5 km

containing retaining walls and culverts.

• All together the total length of new tracks Ski area is ~ 16,5 km.

• Tentative schedule:

-Pre-qualification starting March 2013

-ITT will be issued October 2013

-Contract award expected May-June 2014

-Completion date summer 2018

One major EPC for the Ski area

Page 41: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

Ski railway station – 3 new centre platforms

Page 42: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

Ski railway station – as built

Page 43: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

Dagstrekningen Langhus - Ski

Surface section between Ski st. and the

tunnel

Page 44: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

Area: app. 150 000m2 The length of each tunnel is about 1 km.

Size 30 and 65 m2 respectively.

Early work – Preparation of Åsland rig area

including access tunnel - D&B work

Page 45: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

Norwegian National Rail Administration will study candidates

with regard to the following main selection criteria:

• Valid and representative entry in the TransQ Joint

Qualification System

• Implemented Quality Management System and status

• Implemented HSE-system and status

• CSR commitment

• Financial capacity

Pre-qualification criteria 1/2

Page 46: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

• Resent, relevant and representative references to construction of

similar constructions and in similar project environments.

• Valid certification (“godkjenning”), or documentation necessary to

obtain such certification by National Office of Building Technology

and Administration (Statens bygningstekniske etat) for relevant

categories and activities, according to the “Planning and

Construction Act” (Plan- og bygningsloven).

• Administrative capacity and experience concerning engineering,

procurement, construction management and subcontracting

• Total and available capacity

Pre-qualification criteria 2/2

Page 47: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

• Norwegian national Rail Administration’s CSR principles will form an integral part of the pre-qualification process

• Bidders shall respond to a questionnaire that includes questions related to the CSR principles included in the Supplier Declaration

• One of the requirements to be included on the bidders list is that the potential tenderers sign the Supplier Declaration related to CSR

CSR requirements in the pre-qualification

process

Page 48: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

• The project shall be implemented with the least possible

environmental impacts.

• The contractor shall study alternative solutions and choice of

materials, and document environmental effects of different and

chosen solutions.

• Minimum requirements for qualification - ISO 14001 or equivalent

Pre-qualification environmental requirements

and demands 1/2

Page 49: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

• Environment friendly execution of the work will be part of the

selection criteria.

• The contractor shall formulate an Environmental Plan for the

implementation of the project, outlining how current laws,

regulations and terms of the contract are met.

Pre-qualification environmental requirements

and demands 2/2

Page 50: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

Scope of Work

Oslo Central Station Mr. Bjørn Brathaug Project Manager

The Follo Line Project International Presentation Conference 2012

Page 51: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

Scope of Work

Tunnel Mr. Thor Stenersen Project Manager

The Follo Line Project International Presentation Conference 2012

Page 52: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

Scope of Work

Langhus-Ski Mrs. Janette Brask Project Manager

The Follo Line Project International Presentation Conference 2012

Page 53: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

The Follo Line Project International Presentation Conference 2012

Railway technologies

including signalling Mr. Hans Christian Kruse Project Manager

Page 54: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

Subsystems for railway installations:

• Tracks

• Traction power supply and overhead

catenary system

• Signalling

• Infrastructure power supply and 400 V

loads

• Telecom

Page 55: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

• Total length of new tracks: 64 km

Oslo C.: 9,5 km

Tunnel: 2 x 19,5 km

Ski: 16,5 km

• Rails: Profile 60E1

• Sleepers: Type JBV60 with Pandrol fastclip FE

• Total number of new switches: 60 - All ranges from

1:18.4 R1200m (100 km/h) to 1:9 R300m (40 km/h)

• Switches at Ski: Movable crosses for reduction of

noise, wear and vibrations

• Tracks in tunnels: Slab track or ballasted track. To

be decided before ITT release

Tracks

Page 56: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

Traction Power Supply, 16 2/3 Hz

• 30 kV cables Oslo - Ski

• Feeding substations at Oslo C. and Ski

• Substation (load only) at Åsland

• Autotransformers in substations, 5 MVA, 30/15 kV

• Indoor switchgear, circuit breakers

• Remote control, operation centre at Oslo C.

• Extension of 16 2/3 Hz power supply (50 to 16 2/3

Hz converter stations) is not part of the scope.

However, it will be needed before commissioning of

the Follo Line

Page 57: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

Overhead Catenary System (OCS)

• OCS for different speed levels, standardized systems

• Oslo Central: Conductor rail in concrete tunnels, similar to

installations in use in Oslo tunnel

• Tunnel: System 25, modified for 52 sqm tunnel, for 250 km/h.

Ongoing modification

• Ski: System 20B

• Load switches for splitting of OCS

• Load for Flirt train set: 6 MW

• Remote control, operation center at Oslo Central Station

• H beam poles, preferably single poles

Page 58: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

Signalling Oslo Central Station

• Existing Interlocking system, NSB-77, will be extended

to include the new tracks

• Contract for Interlocking extension is awarded to JBV

Signalling Division, not part of the scope for this

conference

• Centralized Traffic Control centre (CTC) at Oslo

Central St. (Ebicos 900) will be upgraded with Follo Line

tracks, based on existing contracts

• Train Detection is based on Axel counting system

Page 59: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

Schematic track layout at Ski

Page 60: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

• New interlocking will be a call-off from the JBV framework

agreement, installed in separate building

• Framework agreement covers conventional interlocking and

conversion to ETCS (ERTMS)

• Train detection based on Axel Counting system

• Oslo-Ski will have 78 signals, 43 switches and 124 point

machines, 17 block posts and 513 balises

• Full Automatic Train Control (F-ATC) with Eurobalises

Signalling Ski and Tunnel

Page 61: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

Infrastructure Power Supply, 50 Hz 1/3

• 22 kV cable (3 x 1 x 240 Al) Oslo S - Ski

• Distribution networks will feed cable in Oslo S, Åsland, Vevelstad

and Holstad

• Power supply with High Availability

• Approx. 20 Substations, 22/0.4 kV, with 1000, 500, 200 or 50

kVA distribution transformers

• Indoor switchgear, 22 kV circuit breakers in feeding substations

• UPS-units connected to 400 V switchboards

• Remote Control, operation center in Oslo S

Page 62: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

Infrastructure Loads 2/3

400 V 50 Hz - Normal Priority

• Illumination: - Technical buildings

- Passenger areas on platforms etc.

- Tunnel (normal operation and

emergency)

• Switch heating (melting of snow and ice)

• Ventilation in tunnels (optional)

• Power outlets for maintenance works

• Drainage pumps

Page 63: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

Uninterruptable Power Supply (UPS) with battery

back-up

• Signalling installations

• Telecom installations

• Emergency illumination

• Monitoring and operation of all power

installations

• Remote control of all power installations

Infrastructure Loads 3/3

400 V 50 Hz - High Priority

Page 64: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

Telecom installations and services 1/3

• Data nodes

Routers and switches providing data

connections for monitoring and operation of all

electrical systems along the tracks

• Fibre cabling

G96 fibre cables on both sides of the track in

both tunnels. Maximum transmission

availability in redundant structure

• Copper cabling

Data cables for connections to routers and

switches.

Page 65: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

• PA (Public Announcement) loudspeaker system

For public information in passenger areas in Ski station and in

tunnel escape areas for emergency

• Public information system at Ski St.

Display units based on LCD technology

• GSM-R base stations (BTS)

Increased capacity for existing BTS, new BTS installed to

obtain necessary capacity and redundancy for tunnel radio

system

Telecom installations and services 2/3

Page 66: The Follo Line Project - Bane NORThe Follo Line Project has, based upon the above overall strategy, decided to utilise the following main structure. However we would like to ... •

Tunnel radio - Covering radio systems for GSM-R,

Tetra (emergency units) and Public Telecom

• Repeater Units (RU).

Installed at radio sites throughout the tunnels.

RF bands (GSM-R, Tetra, public systems).

Connected to MU’s via fibers and antenna system via

coaxial cables

• Tunnel antenna system.

Radiating (leaking) coaxial cables placed along tunnel walls

(4,5 m above track). Handover antennas mounted where

cable ends at tunnel entrances. Antenna system covering all

RF bands

Telecom installations and services 3/3