Copenhagen District Heating Tunnel
Transcript of Copenhagen District Heating Tunnel
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Copenhagen District Heating Tunnel
Copenhagen Energy A/S
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Copenhagen Energy A/S
• Copenhagen Energy A/S is a leading energy and
utility company owned by the municipality of
Copenhagen
• We produce and distribute:
• District heating
• District cooling
• Town gas
• Water supply (Copenhagen plus 17 other municipalities)
• Sewage
• In near future we will introduce wind power
• We employ 700 people
• Annual turnover 4 billion dkk = 540 mill. Euro
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Status for district heating in
Copenhagen
• Ca. 97% of Copenhagen municipality is supplied with district heating. 18.000 TJ/year.
• Number of customers: 1.500 steam based and 28.000 water based.
• Length of network 1.350 km, hereof 60 km steam based.
• Annual sale 2,4 billion dkk = 323 mill. Euro. 30% steam based.
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AMV
SMV
HCV
Frederiksberg
Amager
Valby/Vigerslev
Ø stre damp
Vesterbro
Brønshøj/Husum/
Vanløse Nørrebro
Utterslev
Emdrup
Ryvangen
Sundholm
Lygten
Ø stre
Tårnby
Gentofte Gladsaxe
Vestre damp Kraftvarmevæ rk/ Affaldsforbræ nding
Spidslastcentral
Utterslev
Vekslerstation
Transmissionsledning
Varmt vand
Damp
Københavns Fjernvarmeforsyning
Produktion og transmission
Tingbjerg
Halmtorvet
Ø sterbro
Carlsberg
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CO2 neutrality by 2025
• Municipality of Copenhagen aims to
become CO2 neutral by 2025
• Important steps to achieve this:
• Biofuel on powerplants
• Conversion of steambased heating net
• Windpower
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Steam
Hot water
Future Water pipes
Amager Vesterbro
Valby
Brønshøj
Nørrebro
Ø sterbro
FREDERIKSBERG
AMV
LVV
HCV
SMV
Emdrup
AMV and tunnel
benefits
•Cheaper heating
•Future supply structure
•Flexible conversion
•Lower CO2 emmissions
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New heating tunnel under Copenhagen
Budget: 100 million Euro (2004)
Length: 4 km Diameter: 4,2 m
3 access shafts – depth: 25-40m
Project completed in 2009
Final cost 120 million Euro (2009)
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TUNNELSOLUTION GIVES FLEXIBILITY
Before and during conversion.
After conversion.
damp kondensat vand
Steam supply must be maintained during conversion from steam
to hot water. After conversion steam and condensation pipes can
carry hot water.
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Tenders
• Consultant (COWI)
• Tunnelconstruction (KFT-JV)
• Piping and installations. (KLR)
• Steel in steel pipe system (FW)
• Valves, pumps og kompensators (CE)
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Partnering agreement
• Common detailed design – to make use of contractors experience
• Open economy
• Bonus agreement
• Conflict handling. Mediator
• Safety bonus
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NATM tunnel
excavation
Bottomplate
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TBM start in AMV
shaft and NATM tunnel
Turning of TBM in
ADG shaft
Dismantling of TBM in
FRG shaft
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Tunnel Boring Machine – Herrenknecht 5,1 m TBM - EPB type
•Length of shield: 12 m
•Total length: 128 m
•Weight of cutter head: 70 ton
•Total weight of TBM: 500 ton
•Effect on cutter head: 1500 kW
•Max. boring speed: 80 mm/min
•Penetration rate: 12 mm/r
•Max pressure: 4,5 bar
•Min radius in curves: 300 m
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Breakthrough in Adelgade
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Inner lining with
membrane in skaft and
og NATM tunnel
Installation of pipes
tunnel
Topplate
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Inner walls, stairs and
elevator
Pipe installation in shaft
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