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Under-soil heating

(Redirected from Undersoil heating)

Under-soil heating is a method used in various sports stadia (with a grass surface) which heats the underside of the pitch to avoid any elements from bad weather, such as snow and ice, from building up and ultimately helps the club avoid having to postpone any matches. [5]

Under-soil Heating Technology
ApplicationSports stadia, Agriculture[1][2]
Fuel sourceElectric, Gas[3]
ComponentsCorrosion-resistant metal pipes, Energy-efficient heating elements, Automated control units
Invented1960s[4]

Most English Premier League teams now have this installed in their stadiums. While it is not an official requirement, it avoids any financial loss that a club might face in having to postpone any matches due to bad weather. The first ground in England to have under-soil heating installed was Goodison Park in 1958.[6] The pitch at Old Trafford has 18.4 miles (29.6 km) of under-soil heating and at Elland Road there is an under-soil heating system installed beneath the surface, consisting of 59 miles (95 km) of piping.

Technology

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Under-soil heating technology is designed to address the challenges of adverse weather conditions, [7] specifically the accumulation of ice and snow on ground surfaces. The system consists of a network of corrosion-resistant metal pipes laid beneath the soil or turf. These pipes are connected to a central heating unit that contains energy-efficient heating elements. [8] When the system is activated, the heating unit circulates warm water or air through the pipes, effectively raising the soil temperature. Modern versions of this technology often include automated control units that allow for real-time monitoring and precise temperature adjustments, ensuring that the soil temperature is maintained at a level that prevents the formation of ice and snow.

Usages

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In Germany under-soil heating is mandatory for division 1 and 2 Bundesliga clubs. The first ground to have it installed was the Olympic Stadium of Munich in 1972.

In the Czech Republic, despite the league having a winter break, the Czech First League requires all participating teams to play on surfaces with under-soil heating.[9]

Several American football teams in the National Football League also have such a system installed. With American football, it is more a matter of player safety, since NFL games are never postponed on account of cold weather.

There have been numerous occasions where under-soil heating's effectiveness has been questioned. One notable incident happened on December 27, 2005, when three stadia in the FA Premier League, supposedly equipped with under-soil heating, failed to stop their pitches being covered in thick snow - this led to the matches being postponed. Subsequently, on January 1, 2006, the Premier League investigated as to why the pitches at Reebok Stadium (Bolton Wanderers), Ewood Park (Blackburn Rovers) and St. James' Park (Newcastle United) were not able to repel the snow. In the U.S., a notable example of the failure of an under-soil heating system occurred in 1967, when a newly installed system at Lambeau Field in Green Bay, Wisconsin failed before the NFL Championship game. The game would go on to be remembered as the "Ice Bowl".

References

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  1. ^ "Stadiums with Under-Soil Heating Technology". Stadiums World. 27 September 2023.
  2. ^ "Improving farming soil could help store carbon and meet global heating targets". The Guardian. July 4, 2023.
  3. ^ U.S. Energy Information Administration. "Today in Energy". EIA.
  4. ^ "The History of Undersoil Heating and Field Heating Systems". Alecs Field Heating. 5 April 2022.
  5. ^ "The History Of Undersoil Heating in Football Stadiums | Football-Stadiums.co.uk". www.football-stadiums.co.uk. 18 August 2016. Retrieved 2023-09-27.
  6. ^ "Everton firsts". Everton F.C. Retrieved 31 December 2009.
  7. ^ "All You Need to Know About Geothermal Heating Systems". Bob Vila. 2013-07-09. Retrieved 2023-09-27.
  8. ^ Massey, Jake (2023-06-30). "Ground source heat pumps explained". Which?. Retrieved 2023-09-27.
  9. ^ "Čtyři kluby žádají svaz. Vyhřívaný trávník nemají, hrozí jim stěhování". idnes.cz (in Czech). 2009-06-04. Retrieved 2011-06-15.
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