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C-Power NV is a Belgian company established for the development and implementation of a farshore wind farm on the Thorntonbank.
Welcome
Objective
Partners
Location
Wind Turbines
Timing
Energy transport
Environmental impact
Construction phases
Investment
60 wind turbines 5 MW
Installed capacity 300 MW
Annual generation 1000.000.000 kWh
Annual consumption of 600.000 inhabitants Avoided CO2 emission: 450.000 tonnes/year ~ forest 90.000 ha
Shareholders
Welcome
Objective
Partners
Location
Wind Turbines
Timing
Energy transport
Environmental impact
Construction phases
Investment
Financing Delivery & Execution works PPAInsurance
Foundation design and buildOffshore cable laying (up to temporary hang off)Dune crossing boringOnshore cable supply and layingWindmet mast design, supply and installation
Offshore cable design and supplyOffshore cable connecting(from temporary hang off)Installation electrical equipmentSupply and installation onshore trafo
Design, manufacture, delivery and installation of turbinesOperation and Maintenance over 10 years after comissioning
* *
* Interface agreement between C-Power and its 3 contractors
FIDIC based contract
AAV based contract
Framework Agrmnt.
based contract
ContractsContracts
Welcome
Objective
Partners
Location
Wind Turbines
Timing
Energy transport
Environmental impact
Construction phases
Investment
Welcome
Objective
Partners
Location
Wind Turbines
Timing
Energy transport
Environmental impact
Construction phases
Investment
Engineering Department
Mari
ne W
ara
nty
Su
rveyor
Len
ders
En
gin
eer
Technical Control Bureau for Construction
Certification
THV Seawind Marine Contractor Engineer
OWNER Owners Engineer
Engineering Department
Mari
ne W
ara
nty
Su
rveyor
Len
ders
En
gin
eer
Technical Control Bureau for Construction
Certification
THV Seawind Marine Contractor Engineer
OWNER Owners Engineer
Phase 1 Participants
Welcome
Objective
Partners
Location
Wind Turbines
Timing
Energy transport
Environmental impact
Construction phases
Investment
Phase 1 Participants
Welcome
Objective
Partners
Location
Wind Turbines
Timing
Energy transport
Environmental impact
Construction phases
Investment
Trailing Suction Hopper Dredger Brabo
Trailing Suction Hopper Dredger Breydel
Trailing Suction Hopper Dredger Jade
TSHD & sand-stones supply vessel Vlaanderen XX1
DP2 fallpipe vessel Seahorse Jack-Up Platform Vagant
Jack-Up Platform Buzzard Jack-Up Tijl Multi-purpose barge Thornton 1
Shear Leg Crane Barge Rambiz
Shear Leg Crane Barge Norma
Welcome
Objective
Partners
Location
Wind Turbines
Timing
Energy transport
Environmental impact
Construction phases
Investment
Cable lay barge Stemat Oslo Cable lay barge Eide 28 Jack-UP Pauline
Cable Burial vessel CS Sovereign
Cable Detector Vessel MS Nico
Anchor Tug Eide Feighter
Grapnel Vessel Maggie M Crew Boat Callisto Maasluis Cable lay Vessel Northern Canyon
Cable Lay Vessel Wave Sentinel
Crew boat Valkyrie Crew boat Valhalla
Welcome
Objective
Partners
Location
Wind Turbines
Timing
Energy transport
Environmental impact
Construction phases
Investment
Tug Boat MS Valliant Survey Vessel Coastal Surveyor Anchor Handling Tug Zumala Sexto
Tug Boat Sea Bravo Anchor Handling Tug Viking Anchor Handling Tug Amstelstroom
Anchor Handling Tug Lenie Anchor Handling Tug MC Alix Multicat MC Ailsa
Guard Vessel Walvis Guard Vessel Dolfijn Guard Vessel Michelle Louisa
Welcome
Objective
Partners
Location
Wind Turbines
Timing
Energy transport
Environmental impact
Construction phases
Investment
Welcome
Objective
Partners
Location
Wind Turbines
Timing
Energy transport
Environmental impact
Construction phases
Investment
Welcome
Objective
Partners
Location
Wind Turbines
Timing
Energy transport
Environmental impact
Construction phases
Investment
18
4
m
10
2
m
© vzw Atomium, Conix Architecten
Welcome
Objective
Partners
Location
Wind Turbines
Timing
Energy transport
Environmental impact
Construction phases
Investment
Evolution Construction Phases
Innovation: Thorntonbank Project
Evolution Construction Phases
Innovation: Thorntonbank Project
Welcome
Objective
Partners
Location
Wind Turbines
Timing
Energy transport
Environmental impact
Construction phases
Investment
2007/2009phase I
Demonstration phase: Construction of 6 turbines – 1st electricity cable: 150 kV (40km)
2009/2011phase II
Construction of 24 turbines and the offshore transformer station
2012/2013phase III
Construction of 24 turbines – 2nd electricity cable: 150kV (40km)
GENERAL PLANNING
Welcome
Objective
Partners
Location
Wind Turbines
Timing
Energy transport
Environmental impact
Construction phases
Investment
LESSONS LEARNED
design basis:Importance detailed site investigation ‘money well spent’=> for example -> Detected objects during investigation (width 50m, 11 lines) 165 objects detected with electromagnetic survey, 20 objects detected with side scan sonar -> local adjustments cable route + 60 investigated locations (± 25 objects were removed)!
design: Involve contractor at an early stage in design & build phase
construction: 1 lead maritime partner “1 admiral at sea”=> owner of the key maritime department
contracting:Reduce interfaces; the more interfaces, the more potential risks for owner
financing: Transparent communication to lender & lender’s engineer
permits & supervision:Early involvement of authorities; 1 single point of contact within owner’s organisation
O&M: Accessibility=>availability (e.g. service crane at each windturbine).
Welcome
Objective
Partners
Location
Wind Turbines
Timing
Energy transport
Environmental impact
Construction phases
Investment
EMPLOYMENT Ostend/Zeebrugge and offshoreEMPLOYMENT Ostend/Zeebrugge and offshore
TOTAL : 1.036.650 working hours
on site: 7.950 working hours
EMPLOYMENT PHASE I: Ostend/Zeebrugge and offshore
EMPLOYMENT PHASE I: Ostend/Zeebrugge and offshore
on site: 18.700 working hours
on site: 1.010.000 working hours
WIND ENERGY 30 km at sea? A GOOD IDEA !
www.c-power.be