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River Hull tidal surge barrier

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Coordinates: 53°44′20″N 0°19′48″W / 53.739°N 0.330°W / 53.739; -0.330
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River Hull tidal surge barrier
Two concrete towers over a river, linked with a span across their tops and a green barrier in a horizontal position
River Hull tidal barrier
Map of the East Riding of Yorkshire
Map of the East Riding of Yorkshire
Location of River Hull tidal surge barrier in the East Riding of Yorkshire
CountryEngland
LocationKingston upon Hull
Coordinates53°44′20″N 0°19′48″W / 53.739°N 0.330°W / 53.739; -0.330
PurposeFlood control
StatusOperational
Construction beganJanuary 1977
Opening date15 April 1980
Construction cost£4.3 million (1980)
Designed byShankland Cox Partnership
Owner(s)Environment Agency
Dam and spillways
Type of damTidal surge barrier
ImpoundsRiver Hull

The River Hull tidal surge barrier is a flood control gate located on the River Hull in the city of Kingston upon Hull, in the East Riding of Yorkshire, England. The barrier impounds the river in times of tidal surges, preventing water moving upstream of the river from the Humber Estuary, and flooding the areas of the city which are near to the river, or susceptible to flooding. It is held horizontal when not in use, and turns 90 degrees before being lowered to the riverbed in the event of a tidal surge. It is the second largest flood barrier in the United Kingdom after the Thames Barrier in London.

The barrier was opened in 1980, and since then, has closed over 30 times as a preventative measure during tidal surges. A proposed lagoon to control tidal flooding in the Humber Estuary would render the River Hull non-tidal. The barrier was grade II listed in 2017, with David Neave describing it as a prominent Hull landmark.

History

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The need for the barrier arose after severe flooding of the city from a tidal surge in 1969.[1] In 1971, the Yorkshire Rivers Authority engaged Mcdonald & Partners as engineers on the project, with the Shankland Cox Partnership as architects.[2] Initially costed in 1971, the work on the barrier came to £3.8 million, but with ancillary processes and detailed studies, the final cost was £4.3 million.[3] The location chosen for the barrier is quite close to where the river empties into the Humber Estuary on the site of the old Ha'penny Bridge.[4] Wind testing of the structure via uses of models was undertaken at the Building Research Establishment in Garston, and hydrological testing was carried out at the hydraulics laboratory of the Department of Engineering, Cambridge University.[5] The two towers were rooted 66 feet (20 m) below the water level and the steel supports running from the bottom to the top were rolled to a length of 112 feet (34 m), which was the longest that the British Steel Corporation had rolled steel to, at that time.[6]

Construction on the barrier was started in January 1977, with projected opening date of August 1979, however, difficulties in the building phase led to schedule slipping. The barrier was opened on 15 April 1980 by Dennis Matthews, chairman of the Yorkshire Water Authority.[note 1][8][9] The gap between the two towers is 98 feet (30 m) wide and 85 feet (26 m) high to allow shipping to access the river beyond the barrier.[10] The large barrier is stationed in a horizontal position when not in use, but rotates 90 degrees and is lowered when a tidal surge is forecast. The barrier then interlocks into a sill built into the riverbed.[11] When not in use, the barrier's position elevated above the river between the two towers has been described as looking like an "..up and over garage door".[12] The River Hull tidal surge barrier is the second largest flood barrier in the United Kingdom; only the barrier on the River Thames is larger.[13] The height of the two towers is 98 feet (30 m), and the movable barrier that spans the two towers weighs 202 tonnes (223 tons).[14] The barrier can be deployed within 30 minutes of a flood warning.[15] Whilst there are motors that power the barrier into action, if any of them fail, the barrier can be hand-cranked into position within 30 minutes.[16]

In 2010, the barrier was refurbished during a 40-day work period with maintenance being carried out some 98 feet (30 m) in the air. The £10 million work was completed in October 2010.[17]

Writing in The Buildings of England; Yorkshire : York and the East Riding, David Neave said that it was; "..an elegant arch..." and "at night when the glazed staircases to each tower are illuminated, it is a prominent landmark."[14] As part of the 2017 City of Culture celebrations, additional lights and texts were displayed on the barrier.[18] The barrier was grade II listed in 2017, with the citation stating that; "the barrier successfully combines functional engineering with aesthetic quality in a slender and dramatically sculptural arch of angular planes".[5]

Flooding history

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The tidal barrier in operation during a tidal surge produced by Storm Xaver in December 2013

Since the barrier was installed in 1980, it has been closed on average once a month every year.[19]

  • 1657, a tidal surge left the city under 4 feet 11 inches (1.5 m) of water[20]
  • September 1966, 16.7 feet (5.09 m) tide[21]
  • 29 September 1969, 16.72 feet (5.10 m)[22]
  • January 2005, 15.9 feet (4.8 m) tide[23]
  • November 2011, 16 feet (4.9 m) tide[24]
  • December 2013, Storm Xaver produced a tide of 19 feet (5.8 m)[25]

Lagoon Hull proposal

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In 2019, a proposal to build a lagoon in the Humber Estuary was unveiled. This would involve making the River Hull non-tidal, but no mention was made in the proposal about the River Hull Barrier.[26]

Notes

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  1. ^ The Yorkshire Rivers Authority was superseded by the Yorkshire Water Authority in 1974.[7]

References

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  1. ^ "Protection against flooding of 1969". infoweb.newsbank.com. 21 October 2009. Retrieved 21 March 2021.
  2. ^ Fleming, McMillan & Williams 1980, pp. 417–418.
  3. ^ Fleming, J; Rukin, G; Tebbenham, J; Webester, W; Shah, H; McMillan, P; Cox, O; Walker, H; Pepper, A; Gwyther, J; Williams, B; Beckett, A; Womersley, J; Calkin, D (August 1981). "The River Hull Tidal Surge Barrier". Proceedings of the Institution of Civil Engineers. 70 (3): 581. doi:10.1680/iicep.1981.1791.
  4. ^ "City of Hull Engineering Walk". Institution of Civil Engineers (ICE). 5 February 2017. Retrieved 21 March 2021.
  5. ^ a b Historic England. "Tidal Surge Barrier, River Hull (Grade II) (1446522)". National Heritage List for England. Retrieved 26 March 2021.
  6. ^ Puller, Malcolm (2003). Deep excavations : a practical manual (2 ed.). London: Thomas Telford. p. 233. ISBN 0-7277-3150-5.
  7. ^ Gardiner, V. (April 1980). "The Yorkshire Water Grid". Geography. 65 (2). Sheffield: Geographical Association: 134. ISSN 1749-4435.
  8. ^ "Building of the barrier – Then and Now This week Hull Tidal Barrier". Hull Daily Mail. 5 November 2018. p. 2. ISSN 1741-3419.
  9. ^ "Hull's iconic tidal warrior – Flashback Focus". infoweb.newsbank.com. 20 April 2020. Retrieved 21 March 2021.
  10. ^ "Barrier prevents floods ten times a year". infoweb.newsbank.com. 26 January 2005. Retrieved 21 March 2021.
  11. ^ "Actuators Survive!". World Dredging & Marine Construction. 19 (12). San Pedro: Symcom: 26. December 1983. ISSN 0043-8405.
  12. ^ Menzies, Roger (2008). "10: Environmental and engineering policies influencing construction of tidal surge barriers in the United States Europe and Asia". In Dutt, Ashok K; Misra, H N; Chatterjee, Meera (eds.). Explorations in applied geography (Eastern economy ed.). New Delhi: Asoke K. Ghosh, Prentice-Hall of India, Private Limited. p. 161. ISBN 978-81-203-3384-0.
  13. ^ "The Hull Tidal Barrier, Hull | RIBA". RIBApix. Retrieved 21 March 2021.
  14. ^ a b Pevsner, Nikolaus; Neave, David (2002). Yorkshire : York and the East Riding (2 ed.). London: Yale University Press. p. 524. ISBN 0-300-09593-7.
  15. ^ "Tidal gate work at halfway point". BBC News. 20 October 2009. Retrieved 21 March 2021.
  16. ^ "To put you in the picture, here are a few statistics". infoweb.newsbank.com. 19 September 2000. Retrieved 21 March 2021.
  17. ^ "Hull flood barrier work completed". BBC News. 1 October 2010. Retrieved 21 March 2021.
  18. ^ "Hull City of Culture: The City Speaks lights up tidal barrier". BBC News. 2 February 2017.
  19. ^ "Hull flood barrier work completed". BBC News. 1 October 2010. Retrieved 21 March 2021.
  20. ^ "The Geological Society of London – Models and flooding". www.geolsoc.org.uk. Retrieved 21 March 2021.
  21. ^ Fleming, McMillan & Williams 1980, p. 417.
  22. ^ "Hull (Flooding) – Friday 12 December 1969 – Hansard – UK Parliament". hansard.parliament.uk. Retrieved 2 April 2021.
  23. ^ "Barrier saves city from flooding". BBC News. 13 January 2005. Retrieved 21 March 2021.
  24. ^ "Hull tidal barrier saves city from record 4.9m high tides". BBC News. 28 November 2011. Retrieved 21 March 2021.
  25. ^ "Tides hit record levels in Hull". ITV News. 5 December 2013. Retrieved 29 March 2021.
  26. ^ Budoo, Nadine (September 2020). "Future of Stormwater, Lagoon Hull; Balanced Defence". New Civil Engineer. London: EMAP. pp. 15–17. ISSN 0307-7683.

Sources

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  • Fleming, J. H.; McMillan, P. H.; Williams, B. P. (August 1980). "The River Hull Tidal Surge Barrier". Proceedings of the Institution of Civil Engineers. 68 (3): 417–454. doi:10.1680/iicep.1980.2244.
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