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#Offshore Services

Test piling in Taiwan


Vessel MV Lone

Cargo 1 Pile guide frame -260 t

6 Piles of up to 80 m of length, up to 140 t

1 Load beam of 20 x 12 m – 240 t

1 Reference frame – 20 t

Horizontal load frame

Cable support structures

Project Greater Changhua Test Pile

POL Main mobilisation port Singapore

POD Project port: Taichung, Taiwan
Project site: Approx. 35 km offshore in the Strait of Taiwan


  • Vessel modification: Construction and installation of Fly-Jib, TLQ, tugger winches
  • Project equipment: hydraulic hammer, lifting tools, WROV, sensor equipment, survey and pile cutting spread, marine mammal observers
  • Installation of pile guide frame at up to 40 m depth in DP mode
  • Support from MV Annegret bringing in TLQ (Rotterdam), MV Wiebke bringing in Fly-Jib (Shanghai), MV Annemieke bringing in pile guide frame (Esbjerg)

Project Summary: Test piling in Taiwan

A fly-jib extension was designed, manufactured & installed.

When Type 183 HLV Lone was engaged in a Taiwanese offshore pile load test project for an offshore wind farm, it took another four vessels to mobilise her. The test piling in Taiwan took more than our best efforts and engineering capabilities – it also required ingenuity and a significant crane modification to achieve our goal. HLV Lone was hired to perform pile installation and testing work as part of the pre-piling phase of the project.

To realize the project, we launched a substantial preparation phase: A Fly-Jib extension was designed, manufactured, and installed, providing up to 23 m of extra jib length. Furthermore, temporary living quarters (TLQs) and additional lifeboats to house up to 100 people that would be onboard during the project were installed and HLV Lone had to change its certification from a cargo vessel to become a special purpose ship (SPS).

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