Trailing Suction Hopper Dredgers

Purpose:
Supplying of shell sand, dredged from a specific area, offshore at Owen Anchorage, West Australia….

Location:

Owen Anchorage, Western Australia

Scope:

1,500,000 m³ annually

Client:

Cockburn Cement Ltd.

Year:

2018-2030

Purpose:
Dredging of temporary work channels and other various tasks…

Location:

Zealand, Denmark

Scope:

923,000 m3

Client:

Storstroem Bridge Joint Venture I/S

Year:

2019-2023

Purpose:
To fortify the beach against winter storms from the Baltic Sea….

Location:

Kolobrzeg (POL)

Scope:

180,000 m3

Client:

Maritime Authority of Szczecin

Year:

2023

Purpose:
The project consisted of 5.4km of beach nourishment along Blåvand beach…

Location:

Danish West Coast (DEN)

Scope:

275,000 m3

Client:

Danish Coastal Authority

Year:

2022-2023

Purpose:
To protect the beaches and coastline of the west coast…

Location:

Sylt (GER)

Scope:

1,111,111 m3

Client:

Landesbetrieb für Küstenschutz, Nationalpark und Meeresschutz (LKN)

Year:

2023

Purpose:
To preserve and protect the beach natural environment and character….

Location:

Stockton Beach, New South Wales (AUS)

Scope:

130,000 m3

Client:

NSW Government

Year:

2023

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

Purpose:
Installation of 82 pcs of rock beds approx. 13×18 m. at 24 locations…

Location:

Courseulles (FRA)

Scope:

62,000 ton of rocks

Client:

Saipem S.A.

Year:

2023

Purpose:
Construction of an offshore 48” diameter pipeline…

Location:

Baltic Sea (GER)

Scope:

2,000,000m3

Client:

Gascade Gastransport GmbH

Year:

2023-2024

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

Purpose:
Preparation for the arrival of a jackup vessel to repair a wind turbine generator…

Location:

Wikinger OWF (GER)

Scope:

22 pcs

Client:

Siemens Gamesa

Year:

2023

Purpose:
Maintenance dredging within the Port of Bunbury….

Location:

Bunbury, Australia

Scope:

200,000 m³ annually

Client:

Southern Ports Authority

Year:

2018-2023

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

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

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

Purpose:
The quantity reclaimed was 200,000 m3 through a sinker line…

Location:

Föhr, Germany

Scope:

200,000 m3

Client:

Landesbetrieb für Küstenschutz

Year:

2022

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

Purpose:
800,000 m3 of sand distributed on the beaches Kalutara, Angulana and Mt. Lavinia…

Location:

Kalutara, Angulana, Mt. Lavinia, Sri Lanka

Scope:

800,000 m3

Client:

Coast Conservation Mgmt. Dept.

Year:

2020

Purpose:
Beach nourishment project to contain erosion and limit the risk of inundations….

Location:

Montpellier, France

Scope:

180,000 m3

Client:

Sète Agglopôle Méditerranée

Year:

2019-2020

Purpose:
Sand mining & pumping for reclamation, and stock piling…

Location:

Kerawalapitiya, Sri Lanka

Scope:

3,450,000 m3

Client:

Sri Lanka Land Reclamation & Dev. Corp.

Year:

2018-2020

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

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

Purpose:
Capital Dredging and securing slope of the Quay number 7….

Location:

Paldiski, Estonia

Scope:

600,000 m3

Client:

Ports of Tallinn

Year:

2019-2020

Purpose:
About 30,000 m3 of moraine soil needs to be removed and dumped in offshore dumping grounds….

Location:

Klaipeda, Lithuania

Scope:

70,000 m3

Client:

Klaipeda State Seaport Authority/BMGS

Year:

2020

Purpose:
Maintenance dredging at Pier 1; Pier 3 North and South; Pier 4 North and South…

Location:

São Luís, Brazil

Scope:

5,037,152 m3

Client:

Vale SA

Year:

2015-2020

Purpose:
A long time charter contract for continuous maintenance dredging in entrance channel…

Location:

Berbice river, Republic of Guyana

Scope:

160,000,000 m3

Client:

Bauxite Company of Guyana Inc. (BCGI)

Year:

2011- 2020

Purpose:
Expansion of Hanstholm Harbor, in addition to further deepening of the existing fairway…

Location:

Hanstholm, Denmark

Scope:

280,000 m3 hard lime, 740,000 m3 sand

Client:

Per Aarsleff A/S

Year:

2018-2020

Purpose:
Deepening and widening of the harbor and entrance channel located at the Great Barrier Reef Marine Park…

Location:

Cairns, Australia

Scope:

750,000 m3

Client:

Ports North

Year:

2019

Purpose:
Cleaning existing rock beds of 24,000m3 of sand…

Location:

Esbjerg, Denmark

Scope:

33,600 m3

Client:

Siemens Gamesa Renewable Energy

Year:

2019

Purpose:
A long-term Coastal Protection contract at the Danish West Coast …

Location:

West Coast of Jutland, Denmark

Scope:

Between 950,011 m3 and 3,470,335 m3

Client:

Danish Coastal Authority

Year:

2012-2019

Purpose:
Dredging 1,000,000m3 of sand available in the access channel to the port of Lisbon…

Location:

Almada – Caparica, Portugal

Scope:

1,000,000 m3

Client:

APL-Administracão do Porto APA

Year:

2019

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

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

Purpose:
Increasing navigation depth and facilitating quality fill…

Location:

Rønne Port, Denmark

Scope:

900,000 m3

Client:

Per Aarsleff A/S

Year:

2018-2019

Purpose:
Deepening of the shipping channel to 10.4 meters and a width of 70 meters…

Location:

Vordingborg, Denmark

Scope:

1,800,000 m3 sand, 1,610,000 of boulder clay

Client:

Munck Havne og Anlæg A/S

Year:

2018-2019

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

Purpose:
Increasing navigation depth and facilitating quality fill…

Location:

Frederikshavn, Denmark

Scope:

3,220,000 m3

Client:

Port of Frederikshavn

Year:

2016-2018

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

Purpose:
Floatation channels for offshore installation barges…

Location:

Nissum Bredning

Scope:

220,000 m3

Client:

Per Aarsleff A/S

Year:

2017

Purpose:
Beach and foreshore nourishment on the Dutch coast…

Location:

Dutch Coastline, The Netherlands

Scope:

10,377,900 m3

Client:

Rijkswaterstaat PPO

Year:

2013-2017

Purpose:
Dredging, Rainbowing and Bottom-dumping on the Gold Coast…

Location:

Gold Coast, Australia

Scope:

3,000,000 m3

Client:

Council of the City of Gold Coast

Year:

2017

Purpose:
Offshore sand mining and beach nourishment…

Location:

Marawila, Sri Lanka

Scope:

800,000 m3

Client:

Coast Conservation Mgmt. Dept.

Year:

2016-2017

Purpose:
1,100,000 cubic meters of sand were dredged to reclaim the land areas behind the quays…

Location:

Esbjerg, Denmark

Scope:

1,100,000 m3

Client:

Esbjerg Port

Year:

2016-2017

Purpose:
NorNed Lowering and Remedial Burial using Mass Flow Excavation…

Location:

The Netherlands

Scope:

17 km

Client:

TenneT TSO B.V.

Year:

2016

Purpose:
Design, planning and construction of the new fairway to Vordingborg…

Location:

Vordingborg, Denmark

Scope:

220,000 m3, including design and construction

Client:

Banedanmark

Year:

2016

Purpose:
Deepening and widening the entrance channel and port of Tauranga…

Location:

Tauranga, New Zealand

Scope:

5,300,000 m3

Client:

Port of Tauranga Limited

Year:

2015-2016

Purpose:
Maintenance dredging in Devonport, Tasmania…

Location:

Tasmania, Australia

Scope:

260,000 m3

Client:

Tasmanian Ports Corporation Pty Ltd

Year:

2015

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