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Multi-sector expertise key to one of Asia’s most ambitious wind projects

KEY BENEFITS:

Single point of contact across the globe

Multi-sector and multi-discipline expertise

Better and faster access to local networks and organisations

Fast response to changing situation on the ground

 

PROJECT:

In order to move towards energy independence and to attract foreign investment, the Taiwanese Government has set a target of 5.5GW of clean energy by 2025. Despite its advanced infrastructure and industries, as a consequence it is still facing major logistical, engineering and civil infrastructure challenges as it strives to meet this goal.

A key development in pursuit of this target is the Formosa 1 wind farm – the country’s first commercial offshore wind project. To facilitate phase two of its construction, a partner was required with experience of managing complex heavy lifting projects across multiple sectors and continents. The joint venture between ALE and Giant Heavy Machinery Services was awarded by offshore contractor Jan De Nul Group to meet this challenge.

ALE-Giant’s scope was the onshore handling, transportation and storage of wind turbine foundations – consisting of 20 monopiles and also transition pieces. This work began at the monopiles’ fabrication facility in Rostock, Germany, and ended at the Port of Taichung, Taiwan. From, Jan De Nul Group took over and installed the foundations at sea.

In Germany, ALE used a tandem-twin strand jack gantry system to lift the monopiles from the fabricator’s trailers. SPMTs with pre-installed ocean transport cradles were then moved into position underneath the monopiles before load-out onto two flat deck carriers for ocean transportation.

While this was taking place, ALE-Giant was developing the storage yard in Taichung from vacant grassland into a marshalling area with the 10t/m2 ground bearing capacity required to receive all foundation elements. The transition piece hardstand was constructed using reinforced concrete slabs, compliant with local regulations designed to mitigate against earthquakes and typhoons, which are common in the area.

Upon their arrival in Taiwan, load-in of the monopiles was carried out during a narrow tidal window, with two monopiles following one another off the flat deck carriers. Separately, the 465t transition pieces were discharged onto a custom built transport frame designed by ALE’s R&D department and fabricated by Giant’s approved local supplier. These were then offloaded onto the storage yard by crawler cranes.

During the offshore installation campaign, the monopiles and transition pieces will be transported back to the quayside in batches of one and one for load-out by the Seaway Yudin for installation offshore in the Taiwan Strait.

ALE’s vast global experience and Giant’s unique local insight proved to be a winning combination. Having successfully undertaken a wide range of complex ports, civil and offshore projects spanning continents, ALE was well-positioned to deliver the optimal engineering and logistics required. Giant, a local expert with more than 20 years of experience in heavy lifting, was invaluable in liaising with local authorities and dealing with an array of complicated local regulations.

For the load-in in Taiwan, a maximum of 128 axle lines of SPMT was used, in a tandem 4 file 16 configuration. For load-out, 96 axles lines in a 4 file 16 configuration was used, with two sets used for the monopiles and one set for the transition pieces. Crane lifting was performed with Demag CC6800 and CC8800 cranes.

The ALE-Giant joint venture allowed the client to orchestrate a large and complex project through a single point of contact; one that encompassed heavy lifting, transportation, sea fastening, civil infrastructure, cargo handling and many other associated services. All equipment, as well as the required operating staff, logistics managers and HSQE staff were readily available, at capacity – and sometimes at short notice.

This work is now helping the Taiwanese Government to meet its ambitious clean energy targets.

About Jan De Nul Group
Design. Build. Connect. Jan De Nul Group shapes water and land. Worldwide. From complex offshore services for the fossil as well as the renewable energy sector, over large dredging and reclamation projects on the edge of water and land, to all possible civil constructions on land. Well integrated competences and investments lead to creative, sustainable and innovative solutions. In this way Jan De Nul Group meets the customers’ current and future wishes. To the future. – www.jandenul.com

Learn more about ALE’s expertise in offshore wind farm construction

ALE Wind Services

Explore our projects

Offshore Wind Services

Transportation

Crane Lifting

Load-in and Load-out

Turnkey Operations

SPMT Heavy Transportation