siem offshore contractors - topsector energie
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Siem Offshore ContractorsYour Partner for Submarine Cable Installation Works
“Our Ships. Our People. Our Vision. Your preferred Solution”
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Siem Offshore Contractors
o Established in October 2003 by industry experts working together for 20 years
o Since April 2018 an independent subsidiary of Subsea 7 Group
o Dedicated, experienced and professional organization with a total of approx. 110
highly experienced and motivated permanent employees with an emphasis on
project engineering and management
o Organisation certified in line with ISO 9001 & ISO 14001 as well as OHSAS 18001
(ISO 45001) standards
Headquarters in Leer,
East Friesia, Germany
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Siem Offshore Contractors Locations
o Siem Offshore Contractors is
headquartered in Leer, Germany,
located close to the North Sea and
the border with the Netherlands.
o In the UK SOC has an office in
Aberdeen, Scotland to service the
customers in the UK and Ireland.
o SOC also operates a combined
marine base and warehouse in
Eemshaven (the Netherlands) to
provide operational support and
service to our vessels during
projects.
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Our Marine Base - Eemshaven
• Water depth >7.5m,
direct access to quay,
no stevedorage.
• Office facilities, frame
agreement for hotel
facilities.
• Cables can be stored
in tents, indoor and
outdoor storage area.
• Cable storage
equipment on site:– 2 x static tanks
– Motorised turntable
– Cable engines (2x 5Te
+ bow)
– Cable rollers
– Chute assemblies
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Siem Offshore Contractors - Success in Numbers
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Strictly Private and Confidential © Siem Offshore Contractors GmbH
Strictly Private and Confidential © Siem Offshore Contractors GmbH
Offshore Wind Developments in Northern Europe
SCROBY SANDS
AMRUMBANK WEST
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1. The Challenge – the Contract
Based on
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2. The Challenge – the Weather
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2. The Challenge – the Weather
Wave H
eig
ht
(m)
Time
Largest Weather Window @ Hs 1.5m
Largest Weather Window @ Hs 2.5m
Nearly 40% longer weather window in this example!
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2. The Challenge – the Weather
Using 1.5m Hs as limit
Using 1.5m Hs as limit
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2. The Challenge – the Weather
Using 2.5m Hs as limit
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3. The Challenge – Accessing the structures
Monopile Foundation Electrical Substation
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4. The Challenge – Laying & Pulling in the cables…
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5. The Challenge – …and Trenching the cables!
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FOU3FOU1 FOU2
Route Survey, Pull-in,
Laying & Trenching
Operations =
Foundation Access &
Equipment Transfer
Operations =
1
1 2
2
3
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2
2 33 44 5
5
6 6
SIMOPS SEQUENCE
6. The Challenge – Simultaneous Activities
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• AHC gangway system
• 3D compensated crane
• Offshore support units
• On-board workshops
Vessel Specifications:
Built: April 2014Design: SX 163DP Class: 2LOA: 74.00mBreadth: 17.00mDraught: 6.40mDwt: 2,835tAccommodation: 60Cargo Deck Area: 200m²
The ISV Siem Moxie is a DP class 2 designed installation support vessel, which hasbeen designed for installation and commissioning support as well as regular repair andmaintenance duties and is equipped with:
ISV Siem Moxie
Over 14,000 connections and 52,000
personnel transferred since launch!
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ISV Siem Moxie - Layout
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ISV Siem Moxie - Layout
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Staying connected in adverse weather – 24hrs per day, 7 days per week
ISV Siem Moxie – Adverse Weather
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• 2x turntables
• 2x work-class ROVs
• 1x trenching ROV
• Cable handling equipment
Vessel Specifications:
Built: Q2 2016
Design: CLV 01
DP Class: 2
LOA: 95.30 m
Breadth: 21.50 m
Draught (max): 7.10 m
Cable Payload: 4,250 t
Accommodation: 60
The CLV Siem Aimery is a DP class 2 combined cable lay and trenching support vessel,
which has been designed in line with the challenging requirements for inner array grid
and export cable installation in offshore renewable and oil and gas industries and is
equipped with:
CLV Siem Aimery
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• Two cable
carousels/turntables
(4,250t capacity)
• Two Work-Class
ROVs with Launch &
Recovery System
over Port & Stern
• 360 degree
panoramic bridge
• High standard, low noise
level accommodation for
60 people
• A-frame for
quadrant
deployment
CLV Siem Aimery - Overview
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CLV Siem Aimery - Overview
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Sheltered cable laying deck, with
cable highways, workshops
CLV Siem Aimery - Overview
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One trenching ROV in
hangar with LARS and
gate to launch on
starboard side.
Up to Hs 3.5m operations
CLV Siem Aimery - Overview
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Video - Inner Array Grid Cable Installation
Find the video on YouTube: https://www.youtube.com/watch?v=bDqLDZG8r-U
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Thank you for listening…
For enquiries please contact:
Lars Muck, Business Area Manager – SOC GmbH
Questions?