with the installation of remotely operated valves. Further upgrades include the fitting of a chloropac
dosing system, which will reduce fouling by marine organisms, and a re-siting of 5tonnes of ballast. Some 23 alterations and additions are included in the package, a number relating to operational conditions encountered in the Gulf. Additionally, considerable work will be undertaken on
the air conditioning plant, and sea water cooling systems, as well as full renewal of the outer bottom paint coatings using the new polymer-based foul-release paint system (which improves the vessel’s speed and fuel efficiency), and habitability improvements to living quarters. HMS Shoreham will leave Rosyth for sea trials in
September of this year. Repair & Conversion
Rolls-Royce signs
The 105m SIGMA class frigate for the Royal Moroccan Navy started SATs in May.
Type 45 deal Rolls-Royce has signed a long-term contract with BAE Systems to provide in-service support for the Royal Navy’s Type 45 destroyers. Te Type 45 Daring class destroyers are each powered by two, cutting-edge, Rolls- Royce WR-21 gas turbines. Te contract, worth £20 million, is part of an innova-
tive approach to supporting the Type 45 fleet, known as Class Output Management. Tis arrangement will deliver guaranteed availability of the WR-21 engines to support the ships’ demanding operational schedules, allowing the Ministry of Defence to focus solely on meeting its operational requirements. Te initial contract is for six years. However, options
are in place for extensions to cover the entire life of the vessels – in excess of 30 years. Chris Curtis, Head of Supply Chain for UK Ship
Support Programmes at BAE Systems, said: “This contract with Rolls-Royce formalises the support arrangements for the WR-21 gas turbine. We now look forward to working with Rolls-Royce as one of our key suppliers in delivering a highly incentivised and cost-effective support provision to one of the world’s most advanced classes of warship.”
Surface combatants Moroccan frigate
starts sea trials A 105m SIGMA class frigate built by Damen Schelde Naval Shipbuilding for the Royal Moroccan Navy leſt Vlissingen in Te Netherlands on 06 May for sea acceptance trials (SATs) in the North Sea. During the SATs, an extensive programme was due to be carried out in which the platform, sensors and communica-
Warship Technology July/August 2011 Surface combatants AWD programme
modified Te Australian Minister for Defence Stephen Smith and the Minister for Defence Materiel Jason Clare have announced the reallocation of construction work for the A$8 billion Air Warfare Destroyer (AWD) project for the Royal Australia Navy. Australia is constructing three AWDs based on a
proven design from the Spanish Navy. Te ships are due to be delivered from December 2014. When complete, the AWD will be one of the more capable types of warship of its size in the world. Te AWD Project is an important element of the
Australian government’s ‘Force 2030’ plan. Te govern- ment and defence department in the country have been actively working with defence industry and the AWD Alliance, which is managing the AWD project, to deliver the project. Te AWD Alliance consists of ASC, the Defence Materiel Organisation (DMO) and Raytheon. Construction of the AWDs involves 90 separate steel
blocks being built at three shipyards in Adelaide (ASC), Melbourne (BAE Systems) and Newcastle (Forgacs). Tree additional sonar block assemblies are being built in Spain and the UK. Te Melbourne BAE Systems shipyard is also building
14 steel blocks for the superstructure of two new 27,500tonne Landing Helicopter Dock (LHD) ships due for delivery in 2014 and 2015. Last year the project encountered difficulties in
relation to engineering and construction of some of the first AWD hull blocks. To assist the AWD project schedule, earlier this year the AWD Alliance reallocated construction of nine steel blocks from BAE Systems in
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tions suite were due to be tested. A slightly smaller frigate (of 98m) for the Royal
Moroccan Navy, is due for sea trials at the end of 2011; another 98m vessel is under construction in Vlissingen and is due to be launched in September this year.
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