Ulstein enters cable lay vessel marketVessel & ROV News // May 4, 2016
The Ulstein LX109 has an innovative 'cable arch'.
Ulstein in Norway has unveiled the LX109, a high capacity, highly efficient, compact cable lay vessel.
The company also a patent pending on the Ulstein 'Cable Arch' system in combination with the open top vessel design which, it says, results in a total of 12,500 tonnes of power cable that can be laid as one single piece.
The Cable Arch connects the forward and aft turntables, allowing the vessel to load and lay one continuous cable of up to 12,500 tonnes.
"This capacity was made possible by positioning the turntables in the hull instead of their conventional location on deck, improving vessel’s stability," said Ulstein. This feature is also applied on an Ulstein-designed rock installation vessel currently under construction. "This approach resulted in a slim vessel that can transport and lay cable much more efficiently than conventional vessel designs with larger beam," said the company.
Locating the asymmetrical bridge aft, with the cable passing underneath, provides clear and unobstructed views on the cable lay work deck and cable stingers aft and turntables forward. The vessel also has a large hangar with ROV moonpool and workboat storage.
In combination with the well-known X-BOW and X-STERN hull features, this results in a very cost efficient, safe and comfortable platform with superior operational uptime and transit speed compared to more traditional cable lay units.