Export Cable

Gemini Wind Farm
Van Oord Offshore Wind Projects
Dredging and Marine Contractors
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Gemini Project – 2 contractors strategy
contract strategy
Gemini - Client
Van Oord – BOP
Contractor
Siemens – WTG
Supply
Design, procurement and installation of:
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WTG foundations
HV stations
In-field cables
Export cables
Installation of wind turbines
Supply of Wind
Turbines
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Scope – BOP Contract Gemini
• 55 km north of Schiermonnikoog
• 120 km sailing distance from Eemshaven
Engineering, Procurement and Construction of:
• Wind Turbine foundations (150 x Monopile +
Transition Piece)
• Offshore High Voltage Stations (2x)
• Export cables (sea & land) (208 km)
• In-field cables (140 km)
• Scour protection ( 330,000 mton)
Installation of:
• Wind turbines (150x)
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Gemini – Supply Chain
GEMINI
Siemens
Van Oord
(BOP Contractor)
EEW and
SIF
Monopiles
Supply
Smulders /
SIF joint
venture
Aalborg
Transition
Pieces
Supply
Supply WTG
NKT Cables
NSW
Van Oord
Van Oord
Siemens /
Van Oord
Van Oord
FICG
Consortium
Export
Cable
Supply
Infield
Cables
Supply
Installation
Monopiles
& Transition
Pieces
Export &
Infield
Cable
Installation
WTG
Installation
Scour
Protection
OHVS and
Onshore
Substation
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Foundations - Monopiles
Monopiles (150 pcs)
•Weight: 670 – 916 mT
•Length: 59 – 73 m
•Diameter: 5.5 – 7.0 m
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Foundations – Transition Pieces
Transition Pieces (150 pcs)
•Weight: 192 mT
•Length: 21 m
•Diameter: 5.5 m
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Supply of Foundations
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SIF Roermond: 75 MP’s
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EEW Rostock: 75 MP’s
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SIF/Smulders JV (Hoboken): 150 TP’s
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Marshalling Port: Eemshaven
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Foundation Transport
Shipping Routes
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New Installation Vessel - Aeolus
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Length 139.40 m, width 38.00 m
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Full jack-up, pay load: 6500 tons
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Water Depth for jacking up to 45 m
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Crane capacity 990 ton @ 30 meters
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Monopile installation
Dredging and Marine Contractors
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Infield Cable Installation
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Installation Logistics – WTG’s
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Export Cable
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Cable Supplied by NKT, Cologne, Germany
Delivered by river barge to Rotterdam or Eemshaven
2 AC 220 kV AC Cables , +/- 100 km each, approx. 90 kg / m
7 Load outs of cable sections
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Export Cable route
The route of the cable is
divided into three different
parts:
•Offshore
•Near shore
•Shallow
•Installation Depth
between 1.5 and 3 m
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Joint locations
Near shore
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Offshore Part – Nexus
NEXUS
• Length over all
• Breadth
• Deadweight
• Carrousel
• Crane
• Accommodation
• DP 2
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120 m
28 m
8300 tons
5000 tons
120 tons
89 pers.
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Nexus Cable Laying Vessel
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Cable Burial Offshore Part – Jan Steen
Jan Steen + ROV Trencher
• Length over all
77 m
• Breadth
19 m
• Deadweight
1853 tons
• Crane
60 tons
• DP 2
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Cable route shallow part
No access allowed
from 15-05 to1-09
Tidal restricted
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Shallow Part – Laying & Burial
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Shallow Part – Laying & Burial (2)
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OHVS Installation
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Rock Installation Scour Protection & Rock crossings
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Project Support Gemini
• Port of Eemshaven
Quay space, storage, cranes, forklifts, operators
• Vessel consumables
fuel, water, provisions
• Site facilities
Offices, accommodation, transport, catering, security
• Maritime services
Tugs, ROV, diving, safety, communication, logistics
• Tools & equipment for vessels & in harbour
• Personnel
Secretaries, catering, account managers, logistics, marine vessel coordination,
security, safety inspectors, document control
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Contact
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Van Oord Offshore Wind Projects bv
Jan Blankenweg 2
4207 NH Gorinchem
T +31 88 8265100
F +31 88 8265110
E [email protected]
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