Search Results: 'Lovat'You searched for Lovat
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25 March, 2021
Utility grid projects bring a variety of tunnelling challenges. Report by Patrick Reynolds
Up the junction, round the bend
23 October, 2020
While pushing a preformed portal box through an excavation has been done before, a Network Rail project demands that it be done on a curve – and that hugely increases the complexity. Julian Champkin reports
Building the mixed-ground mega tunnel
21 September, 2020
Roberto Gonzalez of The Robbins Company outlines the challenges and solutions on Mexico’s Emisor Oriente, one of the country’s most specialised projects with possibly the toughest, most complex conditions ever encountered by EPB TBMs
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
Tunnels facilitate first UK curved jacked-box structure
05 August, 2020
On 1 August 2020, UK-based Morgan Sindall broke through on the second of two tunnels on Network Rail's Werrington Grade Separation project. Advancing around 7m/day, a Lovat RM132 3.5m-diameter EPB machine has excavated two guide tunnels that form part of an ambitious civil engineering project that will see installation of the UK’s first-ever curved jacked-box structure.
27 March, 2020
Two tunnels on opposite sides of the Atlantic will improve the water quality of their cities. But without a TBM on site, there is no project. Alex Conacher reports
Breakthrough on Thames Tideway West
31 October, 2019
Great Britain – The first breakthrough on the Thames Tideway project took place last week at King George’s Park in Wandsworth. A 3m diameter Lovat EPBM, Charlotte, is digging the 1.1km Frogmore Connection Tunnel from Wandsworth to Fulham. The breakthrough marked completion of the 500m southern section of the tunnel and the TBM will now be lifted from the shaft, taken back to Dormay Street and placed back into the ground to tunnel 600m north to Fulham.
Why hold back those tiers
12 October, 2017
Martin Knights looks at the process of cooperation and innovation, and calls for a more collegial approach
Omaha CSO project celebrates TBM breakthrough
09 August, 2017
USA - The South Interceptor Force Main tunnel project in Omaha made its final breakthrough on August 5, following a year-long delay due to a stuck TBM in unexpected ground.
29 March, 2017
Istanbul urgently needs solutions for fresh water and wastewater management as well as for urban transportation. Technical journalist Roland Herr presents two projects, a wastewater and a Metro tunnel, where TBMs from the newly rebranded Canadian- Chinese Lovsuns Tunneling Canada are deployed to bore much anticipated tunnels
10 January, 2017
The Tunnelling Association of Canada held its conference, Annual General Meeting and Annual Awards in Ottawa on October 17
03 November, 2016
The City of Edmonton is known as having one of the most unique utility departments across North America - with more than 40 years of experience and knowledge of tunnelling. Nicole Robinson looks at recent work for TBM refurbishment
Breakthrough on UKPN tunnel
01 July, 2016
Great Britain – A 3km UK Power Networks (UKPN) tunnel has broken through in Tower Hamlets, east London. J. Murphy & Sons excavated the GBP 27M (USD 36M) 2.85m-diameter tunnel at a depth of 23-30m.
28 April, 2016
Erik Eberhardt, the president of the Tunnelling Association of Canada (TAC), discusses current Canadian projects and the industry group’s initiatives
Lovsuns Tunneling Canada Ltd
11 December, 2015
03 November, 2015
Every October the four Tunnel Association of Canada (TAC) regional directors provide anoverview of the market in their annual reports
10 October, 2013
A new cable tunnel has gone seemingly without a hitch in the Willesden/harlesden neighbourhoods of North London. Alex Conacher tours the site with Murphy’s tunnelling project manager Keith Pollard.
Mansky excavation completed
17 July, 2013
Tunnelling has been completed on the 2.5km Mansky Railway Tunnel. Contractor SK Most undertook work in the Krasnoyarsk Region in central Russia over approximately 18 months.
Down and out: caterpillar tunneling
04 June, 2013
There is no escaping the big story this month. The company that was going to change the way we buy TBMs and ultimately the way we design tunnels has abandoned the industry. Caterpillar last month announced the closure of it's Toronto-based TBM manufacturing business Caterpillar Tunnelling Coporation Canada (CTCC) and exited the TBM market.
Caterpillar to abandon tunnelling business
03 May, 2013
Caterpillar Tunneling Canada Corporation (CTCC) revealed last night that it will exit the tunnelling business and cease all production by mid 2014. The company was created following Caterpillar’s purchase of Lovat in 2008. Caterpillar said the enterprise no longer represented a “strategic growth opportunity”.