Friday, 31 October 2014
Advanced search

Wind of change: Reviving the UK's shipyards

The offshore renewables industry is breathing new life into the UK’s neglected dockyards

30-31 DSC_5918 2.jpg

Source: falmouthphotos.com

Sea titans: the Leviathan and Kraken are jack-up vessels that install and maintain wind turbines

Dawn is beginning to break in Cornwall and the Leviathan and Kraken, two grand vessels, sit patiently awaiting their departure from the historic Falmouth docks. Both veterans of the rough seas, they have battled extreme conditions in the search for oil and gas, and now, perhaps for the final time, they are being re-armoured for what will be one of their most challenging missions to date.

The crew has less than two days to prepare the ships for their journey to the Irish Sea, where they will install 51 wind turbines for the Walney 2 offshore wind farm. It’s a difficult task that will stretch the vessels, as well as the engineers on board, beyond anything they have experienced on previous oil and gas operations. With the sun coming up and the final touches still to be made, the dockyard transforms into a frenzy of hard hats and high-vis jackets.

“The whole industry is still adapting… we can learn a lot from offshore platforms”

’It’s been a very busy two weeks, there were no bank holidays for us,’ said Jim Prior, chief engineer on the project, as he hurried towards the ships. The activity is a welcome sight for many at Falmouth who have seen their fair share of job losses. Dockyards, once magnificent examples of British engineering, became barren sites as increased competition and political circumstances led to a dramatic decline in shipbuilding contracts.

But now, with the emergence of the burgeoning offshore renewables industry, shipbuilders and repairers up and down the UK’s coastline are working to adapt their skills and expertise towards offshore wind, wave and tidal projects.

Hard graft: engineers have began rearmouring the vessels for new roles

Source: falmouthphotos.com

Hard graft: engineers have began rearmouring the vessels for new roles

For ship repairers A&P Group this means converting self-propelled jack-up vessels, owned by Norfolk-based company Seajacks, to install wind turbines in the waters surrounding the British Isles. Work so far has involved the construction of 100-tonne blade racks allowing each ship to carry components for two turbines at a time. The project, claimed Prior, has helped revive some long-buried shipbuilding skills, as well as bringing some of its own unique challenges.

While the initial construction of the blade racks is relatively simple, at sea, engineers have to contend with the difficulties of weight. To install the wind turbines, both jack-up vessels will manoeuvre themselves into position using dynamic positioning. Powerful jack-up legs are embedded into the seabed and raise the vessel to 25m above sea level. The main crane then offloads three separate sections of the turbine tower for installation, weighing around 100 tonnes each.

’The depths the legs can go to in the mud, as well as the weight we’re carrying, can cause quite a problem,’ said Prior. ’During the last project, we were getting stuck for up to two days at a time.’ Sinking up to 13m under the enormous weight of the turbines, these delays are not an option at Walney 2. The team is now able to address the problem by spraying seawater into the high-pressure vacuum that forms between the legs and the seabed and keeps the ship in place. Once the vacuum is broken, the ships buoyancy should then be enough to pull the legs out.

Source: Siemens AG

’The whole industry is still adapting,’ said Prior. ’We can learn a lot from other offshore platforms, which have been going for years, but we also have our own lessons to learn, particularly with building the turbines… It can be challenging, because these are enormous pieces of equipment that weigh a great deal. The industry could do worse than take the lead from the oil and gas industry, where the offshore services division of the HSE [Health and Safety Executive] has been regulating their operation successfully for the last 25 years.’

Two hundred miles east and BAE Systems Surface Ships is carving its own niche for the offshore renewables market by developing new devices. Among other projects, it has worked with the Energy Technologies Institute to design a 5MW floating wind turbine structure. It is also working with wave energy developer, Aquamarine Power, as part of a project worth £1m to develop and commercialise the company’s Oyster wave energy converter.

’There are a number of parallels between shipbuilding and some of the things that we need to get right for wind, wave and tidal,’ said Jon Mills, energy project director at BAE. ’In our core business we need to keep large complex ships and submarines operating at peak performance throughout their life in harsh marine environments, and that’s the same with offshore renewables. We’re still testing the water and we’ve started doing some work to prove to ourselves that we do bring some value to the market.

“People don’t tend to consider the UK for shipbuilding but that’s on a reputational basis”

As well as both industries working in hostile ocean environments, the understanding of large structures, too, is a crucial skill that can be transferred from shipbuilding. But Anders Mikkelsen, wind turbine installation lead at Siemens, believes that the similarities shouldn’t be exaggerated. ’What we really need is people that have a bit of technical flair and who know how to use their hands,’ he said. ’There are a number of industries we recruit from, shipbuilding one of them, but the challenges are unique and we still train our own guys.’

Leviathan Farming

Sea monster: Seajack’s Leviathan is working at its upper limit

Location, however, is one area in which shipbuilders and repairers can gain an advantage in the renewables market. Shipyards are well placed for the construction of offshore renewable technologies. They also have the space and some of the equipment required for the construction of these structures. According to Jamie Grimwade, marine renewable technical specialist at the National Renewable Energy Centre, while vessels can travel easily from one port to another after construction, transporting turbines is more labour intensive so it’s important to consider manufacturing them closer to where they’ll be deployed. And while it’s further from the skills of shipbuilders, Tony Cato, captain of the Leviathan, believes moving towards fabrication of turbine structures, rather than the conversion of support vessels, is a wise strategy. Both the Leviathan and Kraken were built in Dubai rather than the UK, and Cato predicts that trend will continue as larger offshore wind turbines demand custom-built ships for installation.

“People don’t tend to consider the UK for shipbuilding but that’s on a reputational basis”

’The fact of the matter is it’s cheaper to build ships elsewhere, and while we still do a lot of repair and conversion work, we no longer have the capacity to build in the UK,’ he said. ’The government has already committed to putting millions back into various ports and into boosting the offshore renewables industry. There is no shipbuilding left in the UK, so that money should boost the manufacture of wind turbine structures in and around those ports.’

But Patrick Carnie, strategy manager at the Marine Industries Leadership Council, disagrees. He believes that the UK’s reputation in shipbuilding has been damaged following a decline in activity, but the skills and capacity to build the colossal ships required for the next generation of offshore wind turbine installation are still there. ’People don’t tend to consider the UK for shipbuilding but that’s just on a reputational basis,’ he said. ’We have the infrastructure, but we need to get that reputation back.’

hydro-electric wave energy

Against the tide: the Oyster wave energy convertor at work

At the moment, the UK is leading the global market in offshore renewables just as it once was in shipbuilding. But once again, the rest of the world is quickly catching up. Governments in Norway, Canada, Germany and France have come together to develop shared strategies to improve their industries and, with the offshore market expected to generate £170bn a year by 2050, competition to gain a slice of the market is intense.

During the First World War, prime minister David Lloyd George once said: ’The road to victory is found in one word ships; in a second word ships; in a third word ships.’ He was right in more ways than one. The fall of British shipbuilding devastated the UK’s dockyards, lost valuable engineering expertise and damaged a historic legacy. But now Britain’s remaining shipbuilders and repairers have a second chance to use their skills in an exciting area of emerging technology. If they succeed, victory for the UK could be extremely lucrative.

Good tidings

Siemens and ABP pledge to build the UK’s first offshore wind turbine manufacturing facility in Hull

Last year, the government announced plans to inject £60m of funding for offshore wind manufacturing facilities at port sites. According to the Carbon Trust, the funding could create 70,000 extra jobs throughout the UK.

This money, however, is yet to be dished out. A spokesperson for the Department of Energy and Climate Change said: ’There is going to be that money for offshore wind port infrastructures we haven’t allocated it yet but we’re speaking to various companies that are interested in coming to the UK.’

Since then, German engineering group Siemens and Associated British Ports (ABP) have announced that they will construct what will be the UK’s first offshore wind turbine manufacturing and export facility at Alexandra Dock in Hull.

It’s estimated that the project will create 10,000 jobs in the region, fuelling hope for the government’s goal of creating opportunities in the ’green economy.’

For Siemens, which currently employs 16,000 people in the UK, the project is expected to significantly increase its UK business, which had revenues of £4.1bn last year.

On a recent visit to the Hull site, deputy prime minister Nick Clegg said: ’Hull is ideally located to support offshore wind developments and is well placed to become a UK centre of excellence in the developing renewable energy sector. There is huge potential here to create jobs and apprenticeships and help us create the new, green economy Britain needs for the 21st century.’

Distant Shores

The largest Seajacks vessel yet will be built in a shipyard in Dubai

Captain Tony Cato of the Seajacks Leviathan believes that future wind turbine installation vessels will not be built in the UK due to lack of capacity.

His company has already entered into a contract with Lamprell shipyard in Dubai to build a new vessel, the Zaratan, which is expected to be completed in 2012. The ship will be 60 per cent larger than current vessels and able to carry up to four turbines.

’Leviathan and Kraken are at their limit right now,’ he said. ’Phase 3 of the UK’s offshore wind plans hasn’t really started yet, but when it does, the difference in size between it and the first two rounds, in terms of wind turbine installations, will be monumental and we need ships that can handle that.’


Readers' comments (8)

  • Whilst I applaud the efforts of all those concerned and am delighted that our shipyards can find a new lease of life from this, why can we not also go back to building ships. There has been a tendancy in the recent past for this country to chase the latest big thing, which is why we have allowed our strategic industries to die. If High Value countries like Norway and Germany can maintain a ship building industry then surely we as an island nation can do so also as well as leading the world in these new technologies, we need to take strength from our past to secure our future.

    Unsuitable or offensive? Report this comment

  • In reply to anonymous Re: Germany and Norway. The question posed why we, the UK, could not be like the above. Our industries were shattered during the late 70s and 80s by government, who bought in from overseas. Norway and Germany supported their industries by looking inward and investing. They had hard times too but even now the tradesman is regarded as a good job and is respected. Jobs for Norwegian and Germans are protected from influx from outside countries. Yes there are foreign workers in Germany, I am one, a Brit, but licences and numbers were held down to protect local jobs. There are men working in Rotterdam, Bremen, Stavanger who are all Brits, delivering the high end products required. What is needed is to allow these men to return home to work that can turn our debts into profit. When will the government see that we have the skills, we are not 'lazy' as proposed by a certain steel person and give the UK 'Made in Britain' label a polish up by ensuring funding is available for growth groups like the offshore sector. I do not want funding to go to foriegn ownerships, we have good UK based companies that need the help, we do not need overseas management to show us what to do as we are overseas doing it for them now as employees.

    Unsuitable or offensive? Report this comment

  • In reply to John R McCallum.

    Hear hear. I agree with you entirely, it really is a crazy situation and one that needs to be changed. When we put our minds to it we can engineer and make things as good or better than any other country.

    Unsuitable or offensive? Report this comment

  • Captain Tony Cato has probably seen the shipyard facilities where his company's ships are being built, and thought, Britain does not have yards to compare to that, so no chance for the UK, even though this situation is no good for the UK. He could be of a certain age and attitude too. If not, his assumption is just a common stereotype thought, in which people assume nothing like this is possible in the UK now. I think he is incorrect. I have put my thoughts (probably completely wrong, especially read from certain eyes) in the Engineer item: offshore tonic for UK shipbuilders, by Jon Excell.

    Unsuitable or offensive? Report this comment

  • I agree with the sentiments above, but in my experience, both government and trades unions were equally to blame for the destruction of our shipbuilding industry from the 1960's and onwards.

    The problem today is that almost every business expects a return on its investments in the same quarter, and that just doesn't work in shipbuilding. I have spent much of the past few years working on superyacht newbuild projects at Devonport Royal Dockyard, where the Frigate Refit Complex was used to build vessels of 50 metres and above. The yachts built at Devonport were every bit as good as those from Holland or Germany, and are highly regarded by their mult-billionaire Owners. These projects also provided much needed work for hundreds of people, but the management decided that building superyachts was not good business, and that defence was an easier option.

    Shipbuilding is not a 'just in time' business, and until management, bankers and government collectively learn to look beyond the end of the current reporting period Britain will never, ever succeed in any kind of heavy engineering ever again!

    Unsuitable or offensive? Report this comment

  • Anonymous.

    A bit late to write, but what you said about banks is true. In the past, I think the main interest of banks, was to see these large in acreage industries fail, leaving the banks salivating (along with some councils) at the thought of houses, appartments, shops, offices, and leisure replacing the shipyard, or factory, that could have still been in business. The pre 2007 thought though, was to get rid of these industries, and not bother to see if there was a solution.

    I feel we need new banks anyway. Industrial banks set up by industry, and governemnt, for industry. I think the old banks need to be bypassed to a certain degree. But it seems they are still sucking up to government along with supermarkets now too. Those two sectors should not be having first refusal for the ear of Government.

    Unsuitable or offensive? Report this comment

  • I think using jack-up barges is the wrong way to go. Better to have self-jacking turbines that can be floated out and installed without the need for huge external infrastructure.

    Unsuitable or offensive? Report this comment

  • Britain does still have the infrastructure to build ships in 2012. Royal Navy destroyers on the Clyde for example. There are other shipyards around Britian that could still build ships too, if the will was there from our "leaders".
    Apparently some future Royal Navy replenishment/tankers, etc. will be built abroad. This is insane, every single Royal Navy ships should be built in Britain. It's things like this which are deliberately not helping. At the very least every single last Royal Navy ship should be built in Britain.

    Unsuitable or offensive? Report this comment

Have your say

Mandatory
Mandatory
Mandatory
Mandatory

Related images

My saved stories (Empty)

You have no saved stories

Save this article