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Facts

HOS

About the project

NCC was commissioned by Forsvarsbygg to build a new Submarine Quay at the naval base Haakonsvern in Bergen. The marine contractor is carrying out the underwater work in the project.

The project is classified as confidential and details cannot be provided. For the marine contractor, the work consists of dredging loose materials, underwater drilling and blasting, excavation of blasted rock, underwater rock reinforcement with horizontal and vertical bolts, and various concrete works underwater. Use and operation of bubble curtains and hydrophones for noise and vibration reduction during blasting.

Underwater, for the country's security

Examples of equipment used as well as reference project

At Sjøentreprenøren, we are proud to have completed a number of successful maritime projects that demonstrate our expertise and dedication to delivering results that meet our clients' needs.

Yankee V

M/A Yankee V

Identification signal LK3244 Dredging and lifting with crane Diving station Possibility of dredging down to -200m Yankee V is a versatile work barge specially adapted for demanding marine projects, thanks to its combination of dredging cran...
1T0A9024

ROV

2 pcs. Sperre SubFighter 7500 Sperre SubFighter 3500 Chasing M2 PRO Max BlueROV2 The marine contractor has ROVs operating from two of our vessels, as well as standalone container solutions that allow us to take on jobs anywhere.
e-dop-150

Dredging pumps

Type: E-DOP 150 Dredging capacity: Up to 600m3/hour Weight: 2 tonnes Operation: Electric Our two E-DOP 150 dredging pumps are specially designed for dredging at depths down to – 50 metres and have a maximum capacity of 600m3 per hour....

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IMG_7949 (1)

Oktober 2019 - Februar 2020

Aibel AS avd. Haugesund

Miljømudring og utdyping Aibel

Miljømudring
Mudring
Sprenging under vann
IMG_6482 (1)

Mai 2021

Troms og Finnmark Fylkeskommune

Jordras i Tana

Erosjonssikring
Mudring
Utfylling i sjø

Reference project belonging to Dredging

Balbinus

Balbinus

Identification code LK6936 Type: Splitter Load capacity: 300 m³ Length/width: 42.7 x 8.5 metres Control: Remote control for opening and closing from tugboat Balbinus is a modern and robust split barge developed for safe and precise handling...
åstfjordbrua

Åstfjord Bridge

Marine and underwater work for bridge foundations for the Åstfjord Bridge, client Statens Vegvesen. Excavation of construction pit for two caissons approximately 7000m3. Underwater casting, levelling, foundations and underpours of the caissons, a total...
Caesar

Andenes west harbour

Environmental dredging and deepening managed by Andøy Municipality with funds from the Norwegian Coastal Administration. Establishment of a shoreline landfill with geotextile for 15,000 m3 of contaminated sediments. Dredging and transhipment of cont...
8C5CCBE3-55FF-4B72-A828-48FA596C7260

Rosenberg Verft

Sjøentreprenøren AS was contracted in 2020 for dredging at Rosenberg Verft The project was part of the preparations to receive the vessel Jotun A. The assignment consisted of dredging approximately 14,500 tonnes of contaminated loose materials and b...
KJKJ$

Store Lungegårdsvann

The filling of 500,000 m³ of rock masses to elevation -4 metres lays the foundation for the further development of the light rail. The area will house new pedestrian and cycle paths as well as green spaces. The project was carried out with high precisio...

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