Devonshire Dock Hall

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Devonshire Dock Hall
DDH, Barrow-in-Furness.jpg
Devonshire Dock Hall viewed from Channelside Haven in 2010
Devonshire Dock Hall
General information
TypeShipbuilding hall
Location Barrow-in-Furness, England, United Kingdom
Coordinates 54°06′37″N3°14′15″W / 54.1104°N 3.2374°W / 54.1104; -3.2374
Construction started1982
Completed1986
Owner BAE Systems Maritime – Submarines
Technical details
Structural system Steel frame
Floor area25,000 square metres (270,000 sq ft)
Design and construction
Architect(s)Civil design by RT James and Partners, London and Newcastle-upon-Tyne
Main contractorAlfred McAlpine

Devonshire Dock Hall (often abbreviated to DDH) is a large indoor shipbuilding and assembly complex that forms part of the BAE Systems shipyard in the Barrow Island area of Barrow-in-Furness, Cumbria, England.

Contents

History

Constructed between 1982 and 1986 by Alfred McAlpine plc [1] for Vickers Shipbuilding and Engineering, DDH was built on land that was created by infilling part of Devonshire Dock with 2.4 million tonnes of sand pumped from nearby Roosecote Sands. The purpose of the indoor shipbuilding facility was to protect vessels from external weather conditions and prevent satellites from photographing secret technologies involved. DDH provides a controlled environment for ship and submarine assembly, and avoids the difficulties caused by building on the slope of traditional slipways. Outside the hall, a 24,300-tonne capacity shiplift allows completed vessels to be lowered into the water independently of the tide. Vessels can also be lifted out of the water and transferred to the hall. [2] The shiplift was the largest in the world upon completion. [3] The first use of the DDH was for construction of HMS Triumph (S93), followed by the Vanguard-class submarines nuclear-powered ballistic missile submarines (SSBNs) (Vanguard, Victorious, Vigilant and Vengeance). The shipyard is currently constructing the Astute-class submarines the first of which HMS Astute was launched in 2007. [4]

Structure and dimensions

HMS Astute photographed outside DDH in 2007 Astute1.JPG
HMS Astute photographed outside DDH in 2007

The steel frame DDH is the tallest building in Barrow at 51 metres (167 ft) and could be described as a 'Groundscraper' having an internal working length of 260 m (850 ft), width of 58 m (190 ft) and an area of 25,000 square metres (270,000 sq ft) - over 6 acres. DDH is the second largest indoor shipbuilding construction complex of its kind in Europe after Dockhalle 2 of Meyer Werft in Germany.[ citation needed ] It is visible from miles around, most notably from the Blackpool Promenade which is over 20 miles away. [5]

Future expansion

DDH is at the centre of a £300 million redevelopment of the shipyard that commenced in late 2014. [6] A large extension to the hall is under-construction to enable construction of the Dreadnought-class submarines, the replacement for the Vanguard-class SSBNs. Proposals were also put forward in 2019 to re-clad the DDH in its entirety to extend the lifetime of the building. The projects are the largest investment at the shipyard since the construction of DDH itself. [6]

See also

Related Research Articles

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<span class="mw-page-title-main">Barrow-in-Furness</span> Town in Cumbria, England

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<span class="mw-page-title-main">Port of Barrow</span> Port in United Kingdom

The Port of Barrow refers to the enclosed dock system within the town of Barrow-in-Furness, England. Morecambe Bay is to the east of the port and the Irish Sea surrounds it to the south and west. The port is currently owned and operated by Associated British Ports Holdings, but some land is shared with BAE Systems Submarine Solutions. Currently consisting of four large docks, the Port of Barrow is one of North West England's most important ports. The docks are as follows: Buccleuch Dock, Cavendish Dock, Devonshire Dock and Ramsden Dock. The port of Barrow is the only deep water port between the Mersey and the Clyde.

<span class="mw-page-title-main">Buccleuch Dock</span>

Buccleuch Dock is one of the four docks which make up the Port of Barrow in Barrow-in-Furness, England. It was constructed between 1863 and 1872 to the same specification as the attached Devonshire Dock - the docks having been separated by a bridge for most of their lifetime. Buccleuch Dock covers 125,000 square metres (1,350,000 sq ft) and was named after the 5th Duke of Buccleuch, who invested heavily in Barrow's public services during the late 19th century. Buccleuch Dock is owned by Associated British Ports and is also used by BAE Systems where the majority of the shipyard's surface vessels are docked for fitting out.

<span class="mw-page-title-main">Devonshire Dock</span>

Devonshire Dock is the oldest of the four docks which make up the Port of Barrow in Barrow-in-Furness, England. Although the dock falls under the control of Associated British Ports it is currently solely utilised by BAE Systems. Upon completion of the dock, Prime Minister William Ewart Gladstone stated 'Barrow would one day become another Liverpool'. Although its shipbuilding capabilities have exceeded those on Merseyside, the port and dock system itself never fully met James Ramsden's grand vision for the town.

HMS <i>Anson</i> (S123) Astute-class submarine

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The following is a timeline of the history of Barrow-in-Furness, England, United Kingdom.

References

  1. Gray, p. 174
  2. "Capabilities of DDH" (PDF). Archived from the original (PDF) on 18 July 2011. Retrieved 2 November 2010.
  3. DDH 25th anniversary
  4. "New UK nuclear submarine launched". BBC News. 8 June 2007. Retrieved 6 October 2021.
  5. "Blackpool Cam view northwards". Archived from the original on 12 August 2011. Retrieved 30 May 2010.
  6. 1 2 "Defence boom will create thousands of BAE jobs in Barrow". North West Evening Mail. Retrieved 13 March 2014.

Sources

54°06′37″N3°14′15″W / 54.1104°N 3.2374°W / 54.1104; -3.2374