Installation and Construction of
Offshore Wind Farms
SMM Offshore Wind Dialogue
Hans Kahle, CTO RWE OLC
Hamburg, 06.09.2012
RWE Group | RWE Innogy | RWE Offshore Logistics Company GmbH
Agenda
HSSE & Quality
Strategy, Scope of Work & Personnel
Project preparation
Seabreeze programme
Technical equipment and vessels
Project execution
RWE OLC, Hans Kahle
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RWE Group | RWE Innogy | RWE Offshore Logistics Company GmbH
HSSE & Quality Policies
Consider the safety of staff, contractors and
clients, and the protection of the environment
as part of core values
Believe that good HSSE management is an
essential contribution to success
Integrate standards and regulations in the
company’s Total Management System (TMS)
based on ISO 9001, ISO 18001 and ISO 14001
RWE OLC, Hans Kahle
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RWE Group | RWE Innogy | RWE Offshore Logistics Company GmbH
Company strategy
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Concentration of marine logistics, construction and civil engineering know-how
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Support and coordination of offshore wind projects through entire life cycle:
development - construction - operation & maintenance
Increase of experience and continuous improvement of logistics and construction methods
Scope of Work
Main Equipment
Development
JackJack-up
(small)
small)
Service
Vessel
Construction
Survey
Vessel
Soil Investigation & Permits
Met
Soil Investigation &
Mast
Survey
JackJack-up (big)
big)
Service
Vessel
Guard
Vessel
Operation & Maintenance
Cable
Vessel
Heavy Lift
Vessel
Construction Wind Farm
Foundation
Turbine
Cable
Substation
JackJack-up
(medium)
medium)
Service
Vessel
Supply
Vessel
Decommissioning
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Operation & Maintenance
Turbine, Balance OF Plant
RWE OLC, Hans Kahle
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RWE Group | RWE Innogy | RWE Offshore Logistics Company GmbH
Scope of Work
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Development of logistics and installation
concepts/methods for offshore wind projects:
Harbour study, analysis of transport routes, installation
methods for foundations, wind turbines, cables and
substations
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Development/Engineering of equipment/special tools
e.g. seafastening, lifting+handling tools, pile gripper etc.
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Preparation and mobilisation:
Base port, site, vessels, equipment
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Execution of all logistics and construction activities:
Port operation, Management of vessels, coordination of
marine and air traffic, leadership, supervision and
execution of offshore works
•
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Optimisation of logistics and installation concepts
Logistics services for operation & maintenance
RWE OLC, Hans Kahle
RWE Innogy
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RWE Innogy
RWE Group | RWE Innogy | RWE Offshore Logistics Company GmbH
Know-How & Personnel
•
Interdisciplinary setup:
Personnel with various professions in the
construction industry, marine technologies and
logistics
•
Experience and development:
Personnel structure with experience specialists and
young professionals
•
Commercial processes:
Entire planning and construction processes
accompanied by controllers, procurement officers
and legal advisors
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Planning and execution:
Ability to execute offshore wind projects from
development through construction until
commissioning
RWE OLC, Hans Kahle
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RWE 9
OLC
RWE Group | RWE Innogy | RWE Offshore Logistics Company GmbH
ESRa (R&D)
Project overview
Gwynt y Môr
Capacity: 576MW
WTG number: 160
WTG type: Siemens 3.6MW
Foundation type: Monopiles
Pile diameter: up to 6 m
Foundation weight: up to 750 to
Distance to shore: 13km
Water depth: 12-28 m
Nordsee Ost
Capacity: 296MW
WTG number: 48
WTG type: Repower 6.15MW
Foundation type: Jackets
Foundation weight: 550 to
Distance to shore: 32-45 km
Water depth: 22-26 m
„Evaluation of noise reducing
systems during piling at an
offshore testing pile“
Test location: Baltic Sea
Tested systems: 6
Joint partners: E.ON,
Vattenfall, EnBW, DONG,
EWE, Stadtwerke München,
BARD
NSO
IN1
ESRa
Hamburg
GyM
Innogy Nordsee 1
Swindon
Capacity: 1000MW
WTG number: 162
WTG type: Repower 6.15MW
Foundation type: Jackets
Distance to shore: 40-50 km
Water depth: 26-34 m
RWE OLC, Hans Kahle
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RWE Group | RWE Innogy | RWE Offshore Logistics Company GmbH
Preparation of project base ports
Cammell Laird
Base port GyM
foundation installation
NSO
Hamburg
GyM
Swindon
• Charter contract with port operator
• Preparation of storage areas
• Procurement of cranes, SPMTs
and personnel for transport and handling
• Installation of Marine Coordination Centre
Containerterminal I
Bremerhaven
Base port NSO
installation phase
RWE OLC, Hans Kahle
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RWE Group | RWE Innogy | RWE Offshore Logistics Company GmbH
Preparation of Method Statements I
•
Development and creation of method
statements for loading, heavy lifts …
RWE OLC, Hans Kahle
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RWE Group | RWE Innogy | RWE Offshore Logistics Company GmbH
Preparation of Method Statements II
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… and for detailled
installation
procedures
•
Definition of
technical interfaces
RWE OLC, Hans Kahle
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RWE Group | RWE Innogy | RWE Offshore Logistics Company GmbH
Preparation of deck layouts I
•
Development of deck layouts in
respect of technical execution
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Deck layout of „Victoria Mathias“
for OWP Nordsee Ost
RWE OLC, Hans Kahle
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RWE Group | RWE Innogy | RWE Offshore Logistics Company GmbH
Preparation of deck layouts II
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Deck layout of „Friedrich Ernestine“
for OWP Gwynt y Môr
RWE OLC, Hans Kahle
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RWE Group | RWE Innogy | RWE Offshore Logistics Company GmbH
Seabreeze programme
Construction of two purpose built DP2 jack-up installation vessel
RWE OLC, Hans Kahle
RWE Innogy
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RWE Group | RWE Innogy | RWE Offshore Logistics Company GmbH
Seabreeze jack-up installation vessels
Classification
Main dimensions
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GERMANISCHER LLOYD
100 A5 Self Elevating Unit DP2
MC-AUT, Environmental Passport, SPS
German Flag
Length over pontoon: 100m
Breadth moulded: 40m
Depth to main deck: 8m
Design draught (moulded): 4.5m
Max. jackable payload: up to 4.400 t
Max. deck strength: 15 t/m2
Propulsion
Jack-up system
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DP2 class
6 x 1,600 kW retractable thrusters
Design speed: 7.5 knots
Number of legs: 4
Leg length: 78m
Max. significant wave height: up to 2.5m
Main crane
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Max. working height: 110m above deck
Max. load capacity: 1,000t @ 25m
RWE OLC, Hans Kahle
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RWE Group | RWE Innogy | RWE Offshore Logistics Company GmbH
Technical equipment I
Vibration hammer MS-240 HHF
• Developed and built by Müller
(ThyssenKrupp)
• Used at project Nordsee Ost
• Driving of foundation piles into seabed
by vibration
Specification
• Tensile force (stat.):
• Tensile force (dyn.):
• Weight:
• Weight (dyn.):
2.600kN
2.100kN
25,4 t
14.300 t
RWE OLC, Hans Kahle
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RWE Group | RWE Innogy | RWE Offshore Logistics Company GmbH
Technical equipment II
Hydraulic hammer IHC S-1200
• Hydraulic hammer built by IHC
• Used at project Nordsee Ost for running of
jacket piles into seabed
Specification
• Max. impact energy:
• Number of impacts:
• Weight:
• Height:
• Diameter:
1,200kNm
40 impacts/min
222.2 t
13.7m
1.83m
RWE OLC, Hans Kahle
RWE Innogy
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RWE Group | RWE Innogy | RWE Offshore Logistics Company GmbH
Technical equipment III
Hydraulic hammer Menck MHU 1900S
• Hydraulic hammer built by Menck
• Used at project Gwynt y Môr for running of
monopiles into seabed
Details
• Max. impact energy:
• Number of impacts:
• Weight:
• Diameter:
190kJ – 1,900kJ
32 impacts/min
325 t
3.75m – 5.2m
RWE OLC, Hans Kahle
RWE Innogy
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RWE Group | RWE Innogy | RWE Offshore Logistics Company GmbH
Technical equipment IV
Drill rig
• Drill rig built by LDD with a drill diameter
of 6m
• Used at projekt Gwynt y Môr for difficult
soil conditions such as rock or clay if pile
driving is not possible
RWE OLC, Hans Kahle
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RWE Group | RWE Innogy | RWE Offshore Logistics Company GmbH
Technical equipment V
SHL
Further installation and service vessels
• Heavy Lift Vessel (substation installation)
• (Array/Export) Cable Laying Vessel
• Offshore Support Vessel
Subsea World News
(grouting, ROV, diving works)
• Scour Protection Vessel
• Crew Transfer Vessel
• Helicopter
• Accommodation Vessel
• Barges and Tugboats
• Survey Vessel
• Guard Vessel
Semar AS
van Oord
Turbine Transfer
RWE OLC, Hans Kahle
Offshore Wind BIZ
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RWE Group | RWE Innogy | RWE Offshore Logistics Company GmbH
Installation I
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Mobilisation of base ports and
installation/service vessels finished
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Marine Coordination Centres ready for
operation
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Procurement of equipment done
Recruiting and training of installation
personnel completed
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Successful installation of first monopiles
and transition pieces at Gwynt y Môr
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Complete installation of first GyM
substation and start of export cable
laying
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Successful placement of first jacket at
Nordsee Ost
RWE OLC, Hans Kahle
RWE Innogy
RWE
Innogy
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RWE Group | RWE Innogy | RWE Offshore Logistics Company GmbH
Installation II
RWE OLC, Hans Kahle
RWE Innogy
RWE
Innogy
PAGE 21
RWE Group | RWE Innogy | RWE Offshore Logistics Company GmbH
Installation III
RWE OLC, Hans Kahle
RWE Innogy
RWE
Innogy
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Thank you for your attention!
RWE Innogy
RWE Innogy
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