Successful subsea installation with water-driven pile-driving hammer

Paul Boughton

IHC Hydrohammer, part of IHC Merwede, has successfully used seawater – instead of oil – as a drive mechanism for the offshore installation industry. The company has developed and tested IHC Waterhammer technology to prepare it for launch to the market.

This sustainable product development minimises potential oil spill hazards in the marine environment and presents new opportunities for deep-water offshore pile-driving that will be beneficial to the future growth of offshore construction.

The S-90W IHC Waterhammer has been utilised in conjunction with Swiber Offshore Construction.

The installation contractor used the advanced pile-driving hammer to install four foundation piles on the subsea PLEM (pipeline end manifold) located approximately 210km off the west coast of Mumbai, India. The Ø 1.1m piles were successfully driven into the seabed to highlight that both the S-90W and S-500W IHC Waterhammers are now ready to be used in the offshore oil and gas industry.

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