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Intro

Trelleborg, a world leader in engineered solutions that protect critical applications in demanding environments, utilised ORE Catapult’s open-access shallow water testing facilities to prove NjordGuard™, its latest innovation in cable protection.

Published
Wed 13 Jun 2018
Last Updated
Mon 23 Jul 2018

The Challenge

With developers under increasing pressure to reduce costs and de-risk offshore wind farm power cable installation, Trelleborg’s innovative NjordGuard™ solution required a series of wet tests to prove its capability of installing and removing offshore cables into both monopile and J-tube openings, without the need for intervention by remotely operated vehicles (ROVs).

With the Catapult’s support, Trelleborg installed a simulated testing foundation into the dock, using a crane and winch assembly to replicate a cable-laying vessel.

The Solution

Using ORE Catapult’s controlled testing environment, Trelleborg was able to develop a test procedure to represent the pulling and locking of cables into an offshore foundation, under the same loads potentially experienced during offshore installation. With the Catapult’s support, Trelleborg installed a simulated testing foundation into the dock, using a crane and winch assembly to replicate a cable-laying vessel.

As a result of the test, Trelleborg was able to successfully perform eight full-scale wet tests of NjordGuard™, covering a range of installation scenarios, without the associated time, effort and costs of going offshore.

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The client conducted eight successful, full-scale wet tests of the NjordGuard™ system in controlled subsea conditions.

Undertaking verification in a controlled environment removed the time, effort and costs of testing offshore.

Supporting the transition of client technology and expertise from oil and gas into offshore renewable energy.

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