Baltic Pipe, Offshore Services
Baltic Pipe
The purpose of the Baltic Pipe projects was to strengthen the European internal energy market. Rohde Nielsen was awarded, as Saipem’s Subcontractor, a significant contract with multiple scopes involving:
- Boulder clearance of more than 1,000 boulders
- Trench dredging of approximately 1,000,000 m3 in a trench lenght summarizing 50+ km
- Backfilling in all sections
- Pipe-pull operation in both Denmark and Poland, including dredging the mictrotunnel exit pit, recovery of the tunnel boring machine, installation of bellmouth and end-cap and wirelay of pullwire
- Installation of 800t winch capacity in both Denmark and Poland, and pipe-pull operation at both sites
Rohde Nielsens units Grane R, Heimdal R, Toste R, Tjalfe R, Mjølner R, Gungner R, Skinfaxe R, Rimfaxe R, and a number of CTVs and survey vessels executed the job impeccably.
- Location: Denmark and Polen
- Scope: 1,000,000 m3, 1,000 stones
- Client: Saipem Ltd
- Year: 2021-2022
The fleet that made it possible
- Grane R
- Heimdal R
- Toste R
- Tjalfe R
- Mjølner R
- Gungner R
- Skinfaxe R
- Rimfaxe R
- Hopper capacity
- 4,200t
- Length overall
- 93.0m
- Breadth
- 23.2m
- Draught loaded
- 6.8m
- Draught unloaded
- 5.4m
- Dredging/Installation depth
- <60.0m
- Hopper capacity
- 2,100t
- Length overall
- 84.0m
- Breadth
- 18.7m
- Draught loaded
- 5.8m
- Draught unloaded
- 4.4m
- Dredging/Installation depth
- <60.0m
- Hopper capacity
- 525m3
- Length overall
- 45.7m
- Breadth
- 10.5m
- Draught loaded
- 3.5m
- Draught unloaded
- 2.7m
- Dredging depth
- <28.0m
- Hopper capacity
- 800m3
- Length overall
- 57.5m
- Breadth
- 14.8m
- Draught loaded
- 4.1m
- Draught unloaded
- 2.3m
- Dredging depth
- <100.0m
- Bucket size
- 3.5-16.0m3
- Length overall
- 51.5m
- Breadth
- 17.0m
- Draught loaded
- 2.0m
- Towing draught
- 3.8m
- Dredging/Installation depth
- 22.0m
- Bucket size
- 5.4-11.0m3
- Length overall
- 54.8m
- Breadth
- 15.2m
- Draught loaded
- 2.8m
- Towing draught
- 3.6m
- Dredging/Installation depth
- 20.0m
- Length overall
- 27.0m
- Breadth
- 9.1m
- Draught
- 3.2m
- Main engine
- 2×1,118kW
- Speed
- 12.0kn
- Bollard pull
- 37t
- Length overall
- 23.3m
- Breadth
- 8.0m
- Draught
- 2.1m
- Main engine
- 2x634kW
- Speed
- 10.5kn
- Bollard pull
- 22t
Other projects
Vesterhav offshore wind farms
Explore Project
Purpose:
Installation of protective layer of amour rock on the foundations for the offshore wind farms. …
- Location:
- Vesterhav (DEN)
- Scope:
- 69,000 ton of rocks
- Client:
- Asso Subsea Limited
- Year:
- 2023
Ostsee Anbindungs-Leitung Project
Explore Project
Purpose:
Construction of an offshore 48” diameter pipeline…
- Location:
- Baltic Sea (GER)
- Scope:
- 2,000,000m3
- Client:
- Gascade Gastransport GmbH
- Year:
- 2023-2024
Lillebælt Old Bridge
Explore Project
Purpose:
Installation of 2,100 tons of rock intended for erosion protection…
- Location:
- Lillebælt (DEN)
- Scope:
- 2,100 ton of rocks
- Client:
- BaneDanmark Infrastruktur
- Year:
- 2023
Hanö
Explore Project
Purpose:
Dredging a 6 km long trench, at water depths differing from -3m to -30m….
- Location:
- Hanö, Sweden
- Scope:
- 3 x 6 km pipes and 6 km cable
- Client:
- NCC Sweden AB
- Year:
- 2022
Baltic Pipe
Explore Project
Purpose:
Strengthening the European internal energy market….
- Location:
- Denmark and Poland
- Scope:
- 1,000,000 m3, 1,000 stones
- Client:
- Saipem Ltd
- Year:
- 2021-2022
NKT – Noss Head, Scotland
Explore Project
Purpose:
Secure a new power cable by installing a rock berm on top of the cable. …
- Location:
- Near Noss Head, Scotland (GBR)
- Scope:
- 22,000 tons of rock
- Client:
- NKT
- Year:
- 2022
Tolmount Pipeline
Explore Project
Purpose:
Clearance of a total of 3,000 boulders has been cleared from the pipeline route…
- Location:
- Tolmount, United Kingdom
- Scope:
- 3,000 Boulders, 50,000 m3 Clay
- Client:
- Saipem Ltd
- Year:
- 2019-2020
Horns Rev 3
Explore Project
Purpose:
Various remediation campaigns at a wind turbine in Horns Rev 3…
- Location:
- Esbjerg, Denmark
- Scope:
- 110,000 m3, 7,000t Rock
- Client:
- Vattenfall Vindkraft Horns Rev 3 P/S
- Year:
- 2019-2020
Borsele Offshore Wind Farm
Explore Project
Purpose:
Dredging of upper siltated sand, expansion of rock bed area and installation of additional rock…
- Location:
- Esbjerg, Denmark
- Scope:
- 25,000 dredged, 40,000 rock installed
- Client:
- Siemens Gamesa
- Year:
- 2019-2020
Cobra Cable
Explore Project
Purpose:
Trench dredging and backfilling works…
- Location:
- Eemshaven, Netherland
- Scope:
- 4,656,000 m3 or 2,600,000 m3 in 5 sections
- Client:
- Prysmian Power Link, TenneT and Energinet
- Year:
- 2018-2019
Cluster West Adlergrund
Explore Project
Purpose:
Installation of 4 export cables totaling 300 km in length from offshore wind farms…
- Location:
- Lubmin, Germany
- Scope:
- 330,000 m3
- Client:
- Prysmian & 50 Hertz
- Year:
- 2017-2019
Offshore Thyborøn
Explore Project
Purpose:
installation of 2,500 GSCs (geotextile sand containers) for offshore wind turbines….
- Location:
- Nissum Bredning
- Scope:
- 2,500 GSCs
- Client:
- Siemens Gamesa Renewable Energy
- Year:
- 2018
Anchorsholme Outfall
Explore Project
Purpose:
Pre-Pipelay trench dredging works required for the 3.75km Outfall pipe….
- Location:
- Anchorsholme, United Kingdom
- Scope:
- 350,000 m3
- Client:
- J Murphy & Sons Ltd
- Year:
- 2017
Nissum Bredning
Explore Project
Purpose:
Floatation channels for offshore installation barges…
- Location:
- Nissum Bredning
- Scope:
- 220,000 m3
- Client:
- Per Aarsleff A/S
- Year:
- 2017
NorNed Lowering & Remidial Burial
Explore Project
Purpose:
NorNed Lowering and Remedial Burial using Mass Flow Excavation…
- Location:
- The Netherlands
- Scope:
- 17 km
- Client:
- TenneT TSO B.V.
- Year:
- 2016
York Development Pipeline
Explore Project
Purpose:
Trench dredging, pre-sweep and backfilling at the East Yorkshire Coast…
- Location:
- East Yorkshire Coast (UK)
- Scope:
- 7 km of trench
- Client:
- Saipem Ltd
- Year:
- 2012
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