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Installation of a 232-kilometre, 36-inch natural gas pipeline connecting YongAn and TungHsiao, strengthening Taiwan’s gas transmission capacity, resilience and long-term energy security.
Company: CPC Corporation Taiwan
(50/50 partnership between Allseas and Boskalis)
Location: West coast Taiwan
Water depth: 30 - 70 metres
232-km, 36-inch natural gas pipeline
One of the longest shallow water pipelines ever installed
Scope of work
- Pre-lay installation of concrete mattresses at 28 crossings to stabilise the pipeline
- Installation of 232-km, 36-inch pipeline, including above-water tie-in and shore pull-in
- Pre-commissioning of the installed pipeline
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Specials & challenges
- One of the longest shallow water gas pipelines ever installed
- Taiwan Strait known for strong, variable currents & typhoons
- Risk of interference with fishing activity and shipping
- Seabed irregularities and soil variability
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