Banedanmark optimising life cycle costs - Deloitte · • The anatomy of rail superstructure and...
Transcript of Banedanmark optimising life cycle costs - Deloitte · • The anatomy of rail superstructure and...
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Banedanmark – optimising life cycle costs
By Søren Boysen, Director of Technical Operations - Banedanmark
Deloitte – Managing Megaprojects, December 2015
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Agenda
• Introduction to rail assets and Banedanmark investment profile
• The anatomy of rail superstructure and bridges
• Asset Management regimes
• The LCC-approach
• Renewal plan + case West Funen
• Benefits and challenges
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Assets within rail infrastructure
Signalling Bridges &
Buildings
Interlocking Rail Catenary &
Power
300
radio masts
200,000
network units
7,500 km
cable systems
1,200
info monitors
2,400
bridges
2,400
buildings
540
platforms
6,800
signals
980
crossings
100,000
relays
3,200 km
rail
3.800
switches
1,500 km
overhead line
535
cooling plants
2,300
control boards
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Banedanmark fundings 2013 - 2019
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Maintenance budget
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Renewal budget
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Agenda
• Introduction to rail assets and Banedanmark investment profile
• The anatomy of rail superstructure and bridges
• Asset Management regimes
• The LCC-approach
• Renewal plan + case West Funen
• Benefits and challenges
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Components – track superstructure
Rails
Sleepers
Ballast
Gravel
Subsoil
Different lifetimes on the components in track structure
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Bridge components
Different lifetimes of bridge components
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Agenda
• Introduction to rail assets and Banedanmark investment profile
• The anatomy of rail superstructure and bridges
• Asset Management regimes
• The LCC-approach
• Renewal plan + case West Funen
• Benefits and challenges
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Rail infrastructure Asset Management regimesHow to secure high availability and optimal LCC
AvailabilityRisk based approach
LCC-optimal
Method Results
• Following risk of failure.
• Maintenance and large renewal
in same closure
• Work in night shifts – or short
closures.
• Full renewal of all railcomponents
• Use LCC-model to predict and
plan renewal 4 years ahead.
• Ten year renewal pause
• Bundle renewal activities across
assets
• Minor disturbance of traffic.
• Less volume in projects
• High unit costs
• Full line closure.
• Life prolonging activities.
• Maintenance on end-of-life lines.
• Renewal of individual railcomponents
– sleeper, rail or ballast. Or in
combination.
Strategies
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Agenda
• Introduction to rail assets and Banedanmark investment profile
• The anatomy of rail superstructure and bridges
• Asset Management regimes
• The LCC-approach
• Renewal plan + case West Funen
• Benefits and challenges
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The development of LCC-models
TAM 1.0
TAM 1.1
TAM 2
BAM 1
CAM 0.1
2014
2012
2011
2005-2006
2002-2003
Ongoing development and updating of Asset Management System
TAM: Track Analysis ModelBAM: Bridge Analysis ModelCAM: Catenary Analysis Model
2015:TAM 2BAM 1
CAM 0.1
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Model structure
• Asset data• Unit cost• Traffic hinderance cost• Model parameters
Technical engineering relationships:
• Deterioration of the assets described by Service Life relationship.• Maintenance activities described according to European models for tracks.
Financial optimization for each line section without constraints (only a 10 year renewal pause)
Financial optimization for each line section with constraints, e.g.:• Total renewal budget• Total activity budget
Unconstrained LCC-optimality
Technical optimality
Constrained LCC-optimality
Inputdata
Sub models
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The methodology
In case of postponed renewal:• Increased maintenance costs• Increased renewal costs• Risk of speed reductions (traffic hindrance costs)
In case of early renewal:• Penalty
Costs
Optimal time of
renewal
Costs
Lifetime
Optimal time of
renewal
Renewal costs
Maintenance
costs
Postponed time
of renewal
Postponed renewal
Costs
Lifetime
Time of
investment/reinvestment
Optimal time of
investment/reinvestment
The Bath Tub modelSpeed reduction
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Example - track
Consequence: Renewal each year
KM 0 1 2 3 4 5 KM 0 1 2 3 4 5
Rail 1966 1968 1966 1964 Rail 2026 2028 2026 2024
Sleeper 1987 1987 1987 Sleeper 2027 2027 2027
Ballast 1998 Ballast 2028
Installation date (inputdata) Technical optimal time to renew
Consequence: Activities are bundledNo traffic disturbance between renewal pauses
KM 0 1 2 3 4 5 KM 0 1 2 3 4 5
Rail 2026 2028 2026 2024 Rail 2027 2027 2027 2027
Sleeper 2027 2027 2027 Sleeper 2027 2027 2027
Ballast 2028 Ballast 2027
Technical optimal to renew LCC- optimality -Full renewal 2027
Rails
Sleepers
Ballast
Gravel
Subsoil
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Agenda
• Introduction to rail assets and Banedanmark investment profile
• The anatomy of rail superstructure and bridges
• Asset Management regimes
• The LCC-approach
• Renewal plan + case West Funen
• Benefits and challenges
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Major track possessions2015-2018
Renewal plan
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Renewal of rail infrastructure on West Funen
West Funen
Daily train operation:
• 114 passenger trains
• 10 freight trains
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West Funen Track and ground works
Replacement of 30 switches
Establishing 2 new switches, Middelfart
Elimination of 13 switches
Track renewal of 2.4 km track including new ballast bed
Upgrading of 4 buffer stops
Establishing one crossing on Odense Station
Establishing a dirt road on Odense Station
Establishing 17.3 km new ballast bed
Establishing new ballast bed under all replaced switches
Ballast sanitation of 53.4 km track
Drainage tasks
10.5 km drainage
5.3 km ditch
Catenary works
Establishing “protective earthing areas” on 17
bridges
Adjustment of power line on 75.5 km track
and 30 switches
Reconstruction related to the elimination of 13
switches
Replacement of “protective earthing” related
to track works
Replacement of protective covers related to
track works
Neighbouring projects
New walking tunnel in Middelfart
New insulation of two bridges
Platform works on Ejby, Tommerup, Gelsted
Signalling Programme (new cables)
Tasks related to interlocking systems and switch heaters
New platform, Langeskov Station
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Billede indsættes.
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Billede indsættes.
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Billede indsættes.
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Agenda
• Introduction to rail assets and Banedanmark investment profile
• The anatomy of rail superstructure and bridges
• Asset Management regimes
• The LCC-approach
• Renewal plan + case West Funen
• Benefits and challenges
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Benefits
Benefits and challenges
Challenges
• Cost savings
• Potential for bundling of projects
• Fewer passenger disturbances/fewer
announcements
• Operator: Possibility for major rolling stock
repair during the possession
• Entrepreneur: Effective use of resources
(men/machinery)
• Entrepreneur: Flexibility within work site area
• Neighbours: Only one long disturbance rather
than many nights/weekends
• Constraints on passenger and freight traffic
• High demand for coordination between asset
groups
• Operator: Some passengers are lost to the
alternative transportation form (car)
• Entrepreneur: Risk of resource
overload/capacity constraints
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Langeskov Station
Questions?