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Siem Industries Orders Two Offshore Subsea Construction Vessels

Siem Industries Orders Two Offshore Subsea Construction Vessels

First seen 2 Nov 2026, 14:44 UTC • •
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ThreatCluster AI
ThreatCluster •November 2, 2026 at 19:47 UTC
  • •Siem Industries ordered two OSCVs for delivery in 2029 and 2030.
  • •Each vessel will be equipped with advanced AHC cranes for subsea operations.
  • •The design emphasizes energy efficiency and operational flexibility.

Siem Industries has placed an order for two Offshore Subsea Construction Vessels (OSCVs) at Fujian Mawei Shipbuilding in China, with deliveries expected in 2029 and 2030. Each vessel will feature a 400-tonne active heave compensation (AHC) crane and a 50-tonne AHC crane, enhancing their lifting capabilities for subsea operations. The vessels, designed by Sirius Design & Integration, will measure approximately 145 meters in length and 27 meters in beam, focusing on operational flexibility and energy efficiency. This order signifies Siem's ongoing commitment to the offshore subsea sector, leveraging their extensive experience in specialized offshore vessel operations. The cranes will be manufactured by Huisman, incorporating advanced features such as LiDAR-based collision avoidance and eco-mode functionality.

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Timeline

2026-10-30
Huisman announces crane supply contract
Huisman secured a contract to supply cranes for Siem's new subsea vessels, enhancing operational capabilities.
Oedigital
2026-11-02
Siem Industries confirms vessel order
Siem Industries officially announced the order of two OSCVs at Fujian Mawei Shipbuilding, focusing on subsea construction.
Dredgewire
2026-11-02
Siem Group announces vessel order
Siem Group confirmed the order for two OSCVs, highlighting their commitment to the offshore sector.
www.siemshipping.com

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Common questions

What are the specifications of the new vessels?
Each vessel will measure approximately 145 meters in length and 27 meters in beam, equipped with a 400-tonne AHC crane and a 50-tonne AHC crane.
Who is manufacturing the cranes for these vessels?
Huisman is responsible for manufacturing the cranes at their facility in Zhangzhou, China.
When are the vessels expected to be delivered?
The vessels are scheduled for delivery in 2029 and 2030.