Home News Maersk is Working on an Innovative Rope Design for Mooring

Maersk is Working on an Innovative Rope Design for Mooring

Maersk is working on an innovation called Snap Back Arrestor (SBA) for the ropes on the mooring lines used to hold vessels in place while docked in port operations. A mooring rope holding a docked vessel snaps, the abrupt energy release can cause the rope to whip across the dock and ship at a speed of almost 500 MPH or more than twice the speed of a NASCAR level race car

Maersk chose a Norwegian-based manufacturer called TIMM ROPES who offered new mooring rope technology which features a special core that elongates more than the surrounding rope, acting to absorb and dampen the tremendous energy released when mooring ropes break while under strain. As a result, instead of snapping back in unpredictable ways at great speed, a broken SBA rope will simply drop to the ground. The new ropes are also coloured with a Maersk blue colour stripe, making it easier for operators to spot any damage or twists in the rope that could affect breakage. This is another important visual feature developed to enhance the safety of people working in our industry.

several Maersk vessels were enrolled in a ninemonth pilot project in 2019 to ensure the rope’s operational conditions. Each year Maersk replaces some 1,000 mooring ropes with an annual expense of nearly USD 2 million. These mooring ropes have a five-year lifespan 

“This SBA rope technology embraces one of the fundamental elements of our “Safety Differently approach, by building capacity to safeguard people. This new technology and innovative approach enable us to safely transform the mooring rope approach in our industry and help lead by example to protect our seafarer community and our dockworkers ashore” said Aslak Ross, Maersk’s Head of Marine Standards.

Credit to Maersk

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