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Contracts awarded for Scheldt Tunnel
04 June, 2020
Antwerp-based infrastructure provider Lantis has awarded a €570M (USD634M) contract for the construction of the city’s Scheldt Tunnel to the COTU consortium of Belgian contractors. The third crossing across the river Scheldt will be constructed by Besix, Bam Contractors, Deme and Jan de Nul. ENGIE Fabricom is responsible for the design and realisation of the tunnel’s technical installations.

Balfour Beatty Gammon in Hong Kong tunnel win
03 June, 2020
Gammon Construction, Balfour Beatty’s 50:50 joint venture, has been awarded a HKD7.2bn (USD929m) contract to deliver tunnels and other associated works for an automatic people mover (APM) and baggage handling system (BHS) at Hong Kong International Airport.

Lower global demand forces Epiroc redundancies
02 June, 2020
Tunnelling and infrastructure technology provider Epiroc is to make 425 of its Sweden-based employees redundant. The move comes as a response to lower global demand from mining and infrastructure companies amid the Covid-19 pandemic and to “position the company better for the future”.

TBM naming exercise upsets residents
02 June, 2020
Locals in a few Chiltern villages in England are upset by operator HS2’s TBM-naming competition which, true to industry tradition, asks schools and the broader public to pick names from a shortlist. In the past, such exercises have generated much wider interest in engineering generally and in tunnelling specifically, allowing the public to discover details of inspiring technologies they might otherwise not have known about.

Deadline approaches for WTC 2021 abstracts
29 May, 2020
Submission of abstracts for WTC 2021 is still open but the deadline of Tuesday June 2 2020 is only days away. ITA-AITES has advised potential authors that abstracts should have a maximum 200 words and relate to the general topics of the conference. Abstracts can only be submitted online.

Tunnel-digging robot mimics earthworm action
28 May, 2020
A tunnel-digging robot that mimics the rhythmic movements of earthworms through soil is being developed by the US-based General Electric Company (GE) as part of the Underminer programme. The machine forms part of a recently awarded 15-month USD2.5m grant through DARPA – the Virginia-based Defense Advanced Research Projects Agency. Although the robot’s operating principles could eventually have applications in the commercial sector, it is currently intended to aid the US military in rapid tunnel boring operations.

Tunnel construction completed at Peace River site
28 May, 2020
BC Hydro has announced a new milestone on the Site C Clean Energy project located on the Peace River in British Columbia, Canada. Two 750m-long diversion tunnels are now finished, as are four gate structures located at the tunnels’ upstream and downstream entrances. In September 2020, the 11m-diameter tunnels will be used to reroute the river around the dam site, allowing for the construction of an earth-fill dam across the main river channel.

Epiroc wins large order for Chuquicamata
28 May, 2020
Underground loaders, face drill rigs, rock-bolting rigs and mine trucks, as well as several years of technical support and training, are all part of a USD20m+ order won by Epiroc in April. The order came from Codelco for use at the Chuquicamata underground mine project in northern Chile.

Terratec team TBMs advance in Istanbul
27 May, 2020
Good progress is being marked on Istanbul’s 13km-long Ümraniye-Ataşehir-Göztepe (UAG) metro line which, when finished, will form the second north-to-south rail corridor under the Anatolian side of the city. The first of four new Terratec 6.56m-diameter earth pressure balance (EPB) TBMs successfully completed its first intermediate breakthrough into Atasehir station on May 20.

Take two
26 May, 2020
Brent Scarbrough & Company stepped in to finish a job under an active highway and a high-pressure gas main. Chad Cox reports on jack and bore work in Florida

Wet weather ready
26 May, 2020
The Don River and Central Waterfront Project will help improve Toronto’s waterways by reducing CSOs. The project team provides an update on the Coxwell Bypass Tunnel

Excavation completed on 'Friendship Tunnel'
21 May, 2020
China Railway No. 2 Engineering Group (CREC-2) has completed excavation of the 10km Friendship Tunnel after 37 months of work. Designed by China Railway Eryuan Engineering, the tunnel forms part of the China-Laos Railway – a strategic component of China’s Belt and Road initiative. Located around 370km north of the Laotian capital Vientiane, the tunnel spans the border between the two countries, with 2.5km on the Laos side from which the tunnel was driven.

Burnhamthorpe Water Project
21 May, 2020
Nicole Robinson reports on Mississauga’s efforts to improve its water and sewerage network, ahead of LRT construction.

NATM in Toronto
21 May, 2020
As metro stations are located deeper underground construction techniques are meeting new challenges. Tony Tomory, country director, WJ Groundwater Canada, discusses dewatering for the Eglinton Crosstown project.

Musk completes Vegas Loop excavation
20 May, 2020
Elon Musk’s Boring Company has completed the excavation of the second Vegas Loop tunnel in Las Vegas, US. Located around 10m below ground, the tunnels will eventually link the convention centre with hotels, casinos, Allegiant Stadium, the airport and eventually to Los Angeles.

Work begins on Munich underground station
19 May, 2020
Works are continuing on Munich’s 11km Second Core S-Bahn railway line with the construction of the underground station Munchen Hauptbahnhof beneath the central railway terminal. Work began in late April on diaphragm walls up to 65m deep which will form part of the retaining structure and outer shell of the new underground station, located 41m below ground level. Construction will use the top-down method following the partial demolition of an existing structure.

Normet expands range of TBM tail sealants
19 May, 2020
Normet has launched what it hails as the next generation of high performance, eco-friendly tail sealants for shielded tunnel boring machines. TamSeal TG91 and TG92 are biodegradable, fire-resistant tail sealants that are formulated using plant-oil-based technology.

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

In the maze
19 May, 2020
Paola De Pascali spoke with the deputy project director at MMC-Gamuda Hau Wei Ng about the challenges being faced at the SSP Line in Kuala Lumpur

The Calculus of Tunnelling
19 May, 2020
Jason Kolenda, geotechnical engineer and laboratory testing department manager for EBA Engineering looks at the challenges of scheduling and delivery