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Muck disposal on a grand scale
25 August, 2020
Tideway (the so-called ‘super sewer’) is the biggest water infrastructure project in Europe and aims to rid the River Thames of millions of tonnes of raw sewage inflows every year. Julian Champkin reports on the progress so far
The Avon House Case
19 May, 2020
Paola De Pascali talked with Paul Perry, associate director of Hewson consulting Engineers, about the infamous case of Avon House at the Bond Street Station Upgrade (BSSU) project and how it represents an example of sensitive building, which required a detailed investigation and mitigation measures
Thames Tideway excavation halfway complete
21 February, 2020
Great Britain – London’s new ‘super sewer’ half excavated. The TBMs boring the Thames Tideway project are 12.5km through the 25km-long, 7m-diameter project. As well as the main tunnel, a 1km-long, 3m-diameter connection tunnel is also currently under construction in Wandsworth at the western end of the project.
Link Alliance awarded City Rail Link TBM tunnels contract
31 July, 2019
New Zealand – The Auckland City Rail Link main design construction contract (C3) was awarded in July. The NZD 1.7bn (USD 1.12bn) tender was scooped by the Link Alliance, a joint venture of Vinci Construction Grands Projets, Downer NZm Soletanche Bachy, WSP Opus, Aecom and Tonkin & Taylor.
Westpile fully merges with Bachy Soletanche
09 May, 2019
Great Britain – Bachy Soletanche has announced that it has consolidated its Westpile business under the Bachy Soletanche name as of 22 March “in order to simplify its operating structure and add efficiency”.
Sirius Minerals awards Lockwood Beck geotechnical contract
25 October, 2018
Great Britain – Sirius Minerals has awarded another geotechnical contract for the York Potash project. Bachy Soletanche won a GBP 4M contract for geotechnical work associated with the intermediate shaft at Lockwood Beck, which will provide access to the tunnel that will contain the Mineral Transport System.
Dear green place
29 May, 2017
It is the morning after Burns Night and Tunnels and Tunnelling visits the Costain-Vinci Construction Grands Projets joint venture working on the Shieldhall Strategic Tunnel project in Glasgow for client, Scottish Water. One of the main purposes is to stop the disfiguring floods in the city whose name in broken Gaelic means ‘dear green place’
03 November, 2016
The ITA’s Nordic Forum provides an opportunity for canada and other nations to exchange information. Tunnels & Tunnelling looks at projects underway in the region
Achievements and Aspirations
08 June, 2016
Last month saw a changing of the guard at the BTS, with Roger Bridge handing the Chairman’s baton over to Mark Leggett. They spoke to Sally Spencer about achievements thus far and plans for the future
Fehmarnbelt conditional contracts signed
01 June, 2016
GERMANY/DENMARK - Conditional contracts have now been signed with the consortia chosen to construct the Fehmarnbelt fixed link. Following the previous announcement, pen has been put to paper. A slight delay caused the contracts to be signed at the end of May rather than mid-May, and this was due to a complaint being received.
LTA awards three TEL station contracts
01 February, 2016
SINGAPORE – The Land Transport Authority (LTA) has awarded three station contracts for the Thomson-East Coast Line (TEL). The contracts, worth a total of about USD 663.5M cover works for the Tanjong Rhu, Katong Park and Marine Terrace stations.
Mott MacDonald to design Thames Tideway East
29 January, 2016
GREAT BRITAIN – Mott MacDonald will design the eastern section of the Thames Tideway sewer tunnel in London. The section will be constructed by a joint venture of Costain, Vinci Construction Grands Projets and Bachy Soletanche.
Thames Tideway financial backers confirmed
27 August, 2015
GREAT BRITAIN – Construction of the new ‘super sewer’ in London will begin next year. Confirmation of finance for the independent investors to finance and deliver the scheme was announced in August.
Lee Tunnel secondary lining complete
03 July, 2015
GREAT BRITAIN – The contractor has completed the secondary lining on the Lee Tunnel project in London, UK. A joint venture of Morgan Sindall, VINCI Construction Grands Projets and Bachy Soletanche, has completed the secondary lining of Thames Water’s 7km sewer tunnel.
Second tunnel package awarded for Paris metro¹s Line 14 extension
21 July, 2014
A consortium consisting of Bouygues Travaux Publics, a subsidiary of Bouygues Construction, Soletanche Bachy France, Soletanche Bachy Tunnels and CSM Bessac has signed a contract worth EUR 164.9M (USD 224.4M) with RATP for the second tunnel package of the Paris metro line 14 extension project, north of Paris, running from Clichy-St Ouen to Pleyel, in the neighbouring town of St Denis.
Filling in the Corraline holes
20 June, 2014
Drilling innovations, sea platform working and complex logistics were needed for grout injection to improve porous ground for Miami's new port tunnel, Adrian Greeman reports.
Harding Prize 2013
19 July, 2013
This year’s BTS Harding Prize was awarded to David Clayton of Morgan Sindall for his paper on the TBM crossing at the Lee Tunnel conection shaft. This is part one of his paper.
Crossrail planning dock breakout
16 July, 2012
When Crossrail took over the ancient Connaught Tunnel as part of its route through east London, it was envisaged that it would be brought up to standard with a fill and re-excavate procedure, but further site investigations led to concerns that will now be tackled by open excavation through the Royal Docks
Back to basics with cut and cover
13 July, 2012
Cut and cover. Bachy Soletanche UK’s director Chris Merridew and business development manager Paul Hodgson get back to basics on the cut part of the method, while Alex Conacher speaks to Bernhard Lindner of Germany-based Peri about the concerns of formwork manufacturers in providing the cover
Primary risk reduction
18 April, 2012
It is notable that many treatises on the subject of project risk management do not pay much attention to the subject of site investigation (SI), even though the gathering of accurate information before a tunneling project commences is bound to decrease risk to a project. Today there is a wide array of techniques available to collect such information and costs that can be balanced favourably against overall project expenditure. Maurice Jones reviews some of these