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WATCH: TBM breaks through on Shieldhall Tunnel

WATCH: TBM breaks through on Shieldhall Tunnel

Tunnel boring machine (TBM) Daisy the Driller has broken through in Queen’s Park, Glasgow, completing the construction phase of Scottish Water’s Shieldhall Tunnel.

The TBM broke through late on 12 October after 15 months of tunnelling the 5 km route from Craigton to Queen’s Park, via Bellahouston Park and Pollok Park.

The construction was managed by a joint venture (JV) between Costain and VINCI Construction Grands Projets.

 

“This is a hugely significant moment,” said Scottish Water Director of Capital Investment Mark Dickson.

“I’m absolutely delighted to see Daisy the Driller complete her 5 km journey from Craigton to Queen’s Park.

“The Shieldhall Tunnel is part of a £250 million (US$289.9 million) investment package upgrading the wastewater infrastructure in Glasgow ­– the tunnel itself is about £100 million (US$116) worth of investment.

“What the project’s going to achieve is it’s going to mitigate flooding in parts of Glasgow, it’s going to improve the environment – particularly in the River Clyde – and it’s going to enable growth and economic development in Glasgow.”

“It’s a huge project, and it’s the biggest wastewater tunnel that’s been built in Glasgow – ever – and it’s the most significant piece of investment since the wastewater infrastructure was put in in Victorian times.”

Scottish Water Chief Executive Douglas Millican welcomed the project milestone and the improvements it will provide to the communities in the Greater Glasgow area.

“We are delighted to have completed the construction phase of the Shieldhall Tunnel, which is the flagship project in Scottish Water’s investment in the wastewater infrastructure in the Greater Glasgow area – the biggest in well over a century,” said Mr Millican.

“The tunnel will improve water quality in the River Clyde and reduce the risk of flooding in a number of communities.

“As the Greater Glasgow area continues to develop, we are modernising our waste water infrastructure to support the needs of both existing and future customers.

“The completion of the Shieldhall Tunnel, which will increase capacity and alleviate pressure on the existing network by providing additional storm water storage, is a key part of that network modernisation.

“With Daisy the Driller having reached her destination, we have completed the most challenging part of the project.

“We now move to linking the tunnel to the existing Glasgow waste water network and bringing the whole new system into operation next year.”

Environment Secretary Roseanna Cunningham, who launched the TBM in July 2016, said the tunnel built on the efforts of the engineers who began improving the Glasgow wastewater network more than a century ago.

“It represents the latest chapter in our collective aim to provide safe and sustainable ways of managing waste in our biggest city,” said Ms Cunningham.

“It is a significant part of the overall investment in Greater Glasgow which is essential to economic prosperity regionally and nationally.

“Improving our drainage and sewerage infrastructure below ground will help deal with the impact of climate change while also helping the city to grow, develop and flourish.”

Scottish Water Project Manager Dominic Flanagan said the breakthrough was the result of collaborative effort.

“Many hundreds of people have worked as part of the JV, which was set up to deliver the tunnel, to get us to this point,” said Mr Flanagan.

“Building the tunnel has required a wide range of specialist skills, knowledge and expertise and our workforce has included local contractors and those with international experience and backgrounds.

“We are all enormously proud of what we have achieved for the good of the people of Greater Glasgow.”

Shieldhall Tunnel Project Director Neil Grosset said that those who have worked on the challenging project are delighted to see it reach completion.

“The JV are delighted to have completed construction of the Shieldhall Tunnel for Scottish Water and the people of Glasgow.

“This is one of the most challenging projects many of us have worked on and the completion of the tunnel construction is testament to the skills, knowledge and determination of our team who have safely delivered a high quality piece of infrastructure that will have a huge positive impact for the city now and in the future.”

For more information visit the Scottish Water website.

If you have a project you would like featured in Trenchless International contact Editor Nick Lovering at nlovering@gs-press.com.au

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