Sredne-Nevsky adds composites to its repertoire
The Russian shipyard OJSC Sredne-Nevsky (SNS) located in St.Petersburg is one of the few shipyards building vessels in a wide range of materials including steel, aluminium, non-magnetic steel and fibreglass.
Now it has added advanced composites to its repertoire using vacuum infusion with carbon fibre reinforcement, and claims to be the first shipyard in Russia to use this material. The yard is also undergoing modernisation with an upgraded slipway and additional construction halls.
The yard builds a wide variety of military and civilian vessels up to a length of 100 metres. On the military side these are corvettes, minesweepers and a variety of auxiliary craft whilst on the civilian side the range extends from search and rescue vessels through to tugs and now passenger vessels. The shipyard’s staff numbers 1,700 now including over 200 who are specialists in the field of composite technologies.
Several years ago the yard was included into a Federal Targeted Programme for the Development of Defence Industry Complex. That let the shipyard start modernization of its production facilities and under the programme SNS purchased new equipment and software products and started the upgrading of the existing construction with new facilities and workshops.
In 2007 the shipyard was included in the Federal Targeted Programme for Science and Technology Base and under this programme it established a test production platform to develop the technology of making large hull structures from advanced composite materials. The construction of this test facility and a new workshop have already been completed as part of this programme of modernisation.
By the end of 2016 the shipyard had completed the reconstruction of Phase I of the fibreglass production facility which included bays 1 and 2 of hull shop block, the workshop for composite shipbuilding, the workshop for the construction of composite vessels and several general-purpose auxiliary facilities. Currently underway as part of Phase II of the development is the construction of a new workshop for the production of core layer panels using vacuum infusion and six bays of the hull construction block. The capacity of the launching slipway will be increased from 650 to 2,700 tonnes and all of these facilities will be completed by 2018.
Currently under construction at the yard is the prototype of a 26 metre fast passenger catamaran powered by a pair of 900 kW MTU diesels driving CP propellers which is the first of the yard’s vessels to be constructed from carbon composites. Plans have been drawn up for a 73 metre passenger ferry with staterooms based on a monohull design which is capable of open sea operations. This one is powered by triple 746kW Caterpillar diesels to give speeds close to 20 knots.
By Dag Pike
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