At the end of 2014, through our sister company, Lankhorst, we at CASAR received an interesting request to fit the ropes on a 40-ton AHC articulating crane of the Dutch manufacturer, Langendijk Equipment. The crane is installed on the supply ship Wildebeest, which serves oilrigs of the Edison Chouest Offshore company (ECO).

It lifts and lowers loads weighing up to 40 t, to a depth of up to 3,000 m. In consideration of the required safety factor 5, the rope has to have a minimum breaking force of 200 tons. The wires used to produce the CASAR Eurolift have a nominal strength of 2,160 N/mm² and thus exceed the required minimum breaking force. It is fitted with a 40-strand hoist rope that is extremely resistant to rotation. The rope core and the outer strands are compacted, which gives the outer strands a greater bearing surface on the rope core. In turn, this reduces the compression on the point of contact and thus also the risk of inner wire breakages.

The tailor-made deep sea crane is fitted with the so-called AHC can get bigger in every layer and ultimately lead to the formation of a rift in the upper layers, into which a whole strand can be drawn.