On Monday 21 August at noon, Big Ben’s famous bongs will sound for the last time before major conservation works are carried out. The Elizabeth Tower, home to the Great Clock and Big Ben, is currently undergoing a complex programme of renovation work that will safeguard it for future generations. While this vital work takes place, the Great Bell’s world famous striking will be paused until 2021 to ensure the safety of those working in the Tower.
Steve Jaggs, Keeper of the Great Clock, said “Big Ben falling silent is a significant milestone in this crucial conservation project. As Keeper of the Great Clock I have the great honour of ensuring this beautiful piece of Victorian engineering is in top condition on a daily basis. This essential programme of works will safeguard the clock on a long term basis, as well as protecting and preserving its home – the Elizabeth Tower. Members of the public are welcome to mark this important moment by gathering in Parliament Square to hear Big Ben’s final bongs until they return in 2021.”
The Great Bell, popularly called Big Ben, weighs 13.7 tonnes and strikes every hour to the note of E. It is accompanied by four quarter bells, which chime every 15 minutes. Big Ben has marked the hour with almost unbroken service for the past 157 years. The bongs last fell silent for maintenance in 2007, and prior to that between 1983-5 as part of a previous large scale refurbishment programme.
The Great Clock is operated by a custom built Victorian clockwork mechanism, which relies on gravity to trigger the renowned bongs. To stop the bells the striking hammers will be locked and the bell disconnected from the clock mechanism, allowing the Great Clock to continue telling the time silently. Parliament’s specialist clock makers will ensure that Big Ben can still bong for important national events such as New Year’s Eve and Remembrance Sunday. The bells will resume their regular time keeping duties in the course of 2021.
Standing at 96 metres tall, the Elizabeth Tower is a focal point of the Grade I listed Palace of Westminster, which forms a part of a UNESCO World Heritage site. Not only is it a world famous landmark, it is also the most photographed building in the UK. Conservation is required to:
- Repair problems identified with the Elizabeth Tower and the Great Clock, which cannot be rectified whilst the clock is in action
- Conserve significant elements of the Tower, as designed by architects Charles Barry and Augustus Welby Pugin
- Repair and redecorate the interior, renew the building services and make improvements to health and safety and fire protection systems
- Improve energy efficiency to reduce the Tower’s environmental impact
The project started earlier this year, with the start of scaffolding works. Once this scaffolding reaches the necessary height, work will begin at the very top of the Tower with the renovation of the Ayrton Light (which shines to show that Parliament is sitting) and the refurbishment of the cast iron roofing.
The team will then work their way down the building, removing scaffolding as they go, and tackling a wide range of the complex issues created by the height and heritage of this unique landmark.
The Great Clock
As part of this intricate series of works, the Great Clock itself will be dismantled piece by piece with each cog examined and restored. The four dials will be carefully cleaned, the glass repaired, the cast iron framework renewed, and the hands will be removed and refurbished. Whilst the Great Clock and the dials are undergoing conservation, it will be necessary to cover the faces for some time. However, to ensure that the public are still able to set their watches by this most important of time pieces, one working clock face will remain visible at all times throughout the works. As the clock mechanism itself will be temporarily out of action, a modern electric motor will drive the clock hands until the Great Clock is reinstated.
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