Upgraded cable-laying vessel

Louise Smyth

M-Tech Offshore, the Danish joint venture company equally owned by NT Offshore and Maritech International, has recently acquired the CLV SIA, an efficient handy-sized DP-2 cable laying vessel, from CT Offshore, the former A2Sea subsidiary.

The recently upgraded DP-2 cable laying vessel, has been configured for worldwide inter-array and subsea power cable installations and maintenance, with additional facilities onboard to accommodate for installation of smaller subsea cables, including fibreoptics.

The CLV SIA flies the Danish flag, is a fully SOLAS classed vessel, equipped with efficient cable lay spread, three turn-table cable tanks, deck winches, A-frame & cranes and accommodates SIMEC's work-class trenching ROV, Seagma, which is suitable for inspection, survey and burial operations on up to 3m trenching depth, on maximum operating water depth of 1,000m.

Additional modular deck spreads are also available for support operations such as pre-lay grapnel runs and route clearances. The 500m2 vessel's deck has been strengthened for LARS, making it an ideal ROV support platform, whilst the onboard survey electronic spread, moon-pool and side-mounted equipment can be utilised for cable route survey operations.

In addition to cable laying capabilities, the CLV SIA has modern and comfortable accommodation for 50 passengers with crew and can be used as a multipurpose support vessel, capable of handling challenging environmental conditions.

Acquisition and subsequent upgrade of the CLV SIA follows the 2016 announcement that Maritech International and NT Offshore had formed the joint venture company M-Tech Offshore. Maritech's 25 years of experience in the subsea cable industry, coupled with NT's long-term presence in the North Sea, is now backed by a strategically positioned vessel management office in Esbjerg, Denmark.

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