To main content

NORDSTREAM II

Allseas Engineering had been awarded with the contract to support partly with construction of the offshore natural gas transmission system comprising two 48” diameter pipelines from Russia to the Baltic through Germany (NPSP2). The installation of the NSP2 pipeline has been performed by Charterers pipelay vessels: Solitaire, Pioneering Spirit and Audacia.

Boskalis was awarded by Allseas Engineeirng to perform anchor handling assistance and survey and ROV support during the pipelay work conducted by the PLV Audacia. The southern section of the two pipelines was installed by PLV Audacia without utilizing her DP system. This was a requirement from Charterers client and the vessel had therefore been fitted with 10 mooring spread to maintain position during the pipelay operation. The work was performed in German waters from Global KP point 1197 to 1159 – Country KP 17 – 55 in a water depth ranging from 17 to 25 m. This required anchor handlers above 150 Tonnes Bollard Pull which were capable of handling9 x 18mT Stevshark Rex anchors2 x 16mT Stevshark anchorsFurthermore Boskalis provided in-house survey and ROV equipment in order toPerform TDM (Touchdown monitoring) using a pole mounted MBES (multibeam echosounder)Perform TDM with the ROVCheck and confirm anchor catenaries using either MBES or ROV when requested by PLV Audacia. For this scope the 205TBP AHTS Union Manta was outfitted with survey and ROV equipment. Also dedicated shore support in Mukran was provided to ensure an efficient operation. With all Boskalis’ projects safety is an essential part. The project was executed with a good safety performance of the marine crew and project management. The marine spread was manned to perform 24/7 anchor handling and survey duties. Also dedicated shore support in Mukran was provided to ensure a efficient operation. The marine spread exceeded CLIENT’s expectations while maintaining the highest safety and sustainability standards, Boskalis through combining various inhouse disciplines and due to its diverse and large fleet size was able to provide an all round solution as requested by our client.

Related projects

Selected filters
Loading_TSHD_by_CSD_header.jpg

Creation bird island, Le Havre port 2000

Le Havre is the fifth largest container port in Europe and is expanding its facilities: the current 14 quays for container vessels are to be expanded with another 12 (all outside the locks). Port 2000’s rationale centres on Le Havre’s determination to position itself as a leading hub.

hfd_onder_header.jpg

Creating two berths pockets, NCIG terminal

For 200 years the Port of Newcastle has been Australia’s premier coal export harbor. Of the 95 Mtpa of various commodities such as steel, aluminum, minerals and so forth exported from Newcastle in 2008-2009, 90.5 Mtpa were attributable to coal. Average annual growth rate of coal exports from 1990 to 2006 was 6.1%. This constant increase has caused a spike in ships queuing to enter the harbour to be loaded. To increase capacity and avoid these traffic jams, a decision was made to develop a new coal stockpile area and construct a third coal terminal.

Balboa_2_header.jpg

Port expansion, Balboa

The plans to expand the Panama Canal represent one of the most important infrastructure improvements of the 21st century. Since its opening in 1913 the Canal has provided the shortest and most economically viable shipping route from Pacific to Atlantic seaports. With the ever-increasing size of modern-day vessels, it was inevitable that the Canal would need to be widened and deepened. The expansion of the Canal has made the extension of the Port of Balboa at the mouth of the canal on the Pacific Ocean a necessity. The Phase 4 projects included Marine Works and Civil Works to improve two existing berths and to build a completely new berth capable of handling not only Post Panamax but also Super Post Panamax ships.

DSCF0226_header.jpg

Land reclamation, North Manama Causeway

The purpose of the project was to provide additional land to accommodate a section of a proposed new highway system to service the area and to relieve congestion on the corniche road. Boskalis appointed Hydronamic (the in-house engineering department of Boskalis) to provide detailed design and on site assistance with supervision of the sub-contractor for the rock works.

Figure_1_header.jpg

Port environmental mitigation measures, Hamina

Hamina, which is close to the Russian border in south-east Finland, is a home port for the oil industry and a transit harbor for timber, cars and other goods on their way to Russia. To provide access for larger vessels it had to deepen the existing channel by two meters to 12 meters and create a new channel section. Terramare Oy, a subsidiary of Royal Boskalis Westminster, won this assignment in late 2008. The project started in July 2009.

Raahe_1_header.jpg

Port development, Raahe

The Raahe project is the largest dredging contract in Finnish history. Access for larger ships is economically important for the clients using the port of Raahe, such as the steel company Ruukki.