Talybont Reservoir – Innovations in pipework replacement- The 17th Ian Hewerdine Memorial Lecture

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Technical lecture
19 November 2019 18:15 - 20:00
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The presentation will cover the application of modern technology and innovative approaches which successfully led to the full replacement of the supply and scour pipework and valves at Talybont Reservoir in South Wales, formed by a 30m high embankment dam. It will explain how the use of siphons were able to maintain supply and compensation water throughout the duration of the construction during one of the driest summers on record in the UK.

Isolation of the mid-level drawoff required unusual underwater excavation and engineering. Advanced underwater surveys and the application of robotics enabled the isolation of the low-level drawoff and scour pipework and valves. The presentation will include the challenges encountered in developing and implementing the strategies which successfully facilitated safe replacement of the drawoff works without impacting the security of water supply.


Buffet From 6.15pm

Lecture Starts at 7.00pm

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Adam Bush is a project manager working at Dŵr Cymru Welsh Water with over 15 years’ experience in the design and construction of civil projects in both the water and construction sectors.


Holiday Inn, Cardiff North, M4 Jct. 32
Merthyr Rd,
CF15 7LH
United Kingdom

Contact Details

South Wales Administration Team
United Kingdom
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Alternative contact Andrew Bayton
United Kingdom
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