Search Results: 'Caterpillar'

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TBM component lifts completed in London
21 November, 2023
HS2 has completed a set of major lifts of TBM components at its Victoria Road Crossover Box site, in Ealing, west London.

Heavy Moves
12 June, 2023
TBMs on tunnelling projects are supported by major lifting capacity and conveyor capability

HS2 TBM cutterhead transported to start second bore
23 September, 2022
The giant cutterhead for HS2’s Long Itchington Wood Tunnel TBM has been transported back to its starting point, ready for its second bore.

Finally back on track
11 June, 2020
HS2 has at last been given the green light, following the notice to proceed which is enabling four joint ventures to finalise their designs. Julian Champkin reports

Next exit
06 July, 2017
The Eglinton Crosstown LRT is Ontario’s largest transit expansion to date. Two contracts constructed 10km of underground alignment for the 19km line. Jordan Schreiner and Matthew Geary of Hatch, with Tibor Szekely of Metrolinx, discuss the completion of the East Tunnels and TBM removal

Open up
10 May, 2017
As part of the Southeast Collector Trunk Sewer project a hanging system ensured a live 2.6mdiameter sewer could be successfully bypassed. Jordan Schreiner and Matthew Geary, ofHatch, and Stephen Marino, of The Regional Municipality of York report

Fibreglass Jacking Pipe Upgrades Las Vegas Sewers
18 April, 2017
The Paradise Whitney Interceptor project is a 13-mile (21km) gravity sewer to increase capacity in the Las Vegas area. Built through sticky clay and collapsible soils, crews faced challenging work around existing underground utilities. This article looks at the fibreglass reinforced polymer mortar pipe chosen for the new installation

TAC Awards 2016
10 January, 2017
The Tunnelling Association of Canada (TAC) presents its annual awards each fall to recognise the deserving individuals and projects in the Canadian tunnelling sectors. The 2016 awards were presented on October 17 in OTtawa. Congratulations to all of this year’s winners

Siphon Tunnel activated
01 November, 2016
US - A new water tunnel in New York connecting Brooklyn to Staten Island is now activated following a ceremony October 29. The tunnel saw years of delay following the devastation of Super Storm Sandy in 2012.

Oslo four
31 October, 2016
Two 20km tunnels are underway for the high-speed Follo line project, Norway's biggest scheme and one of the largest in Europe. Report and pictures by Adrian Greeman

Tunnel warfare
18 August, 2016
This article is the second part of an insight into wartime tunneling by Myles O’Reilly. The first part can be found in the previous issue of Tunnels and Tunnelling

Tunnel warfare
11 July, 2016
Former Tunnels and Tunnelling Editorial Advisory Board chairman Myles O’Reilly gives this compelling account of some historical techniques and cases of tunnelling used to conduct war. This is the first of a two-part article

Take initiative
28 April, 2016
Erik Eberhardt, the president of the Tunnelling Association of Canada (TAC), discusses current Canadian projects and the industry group’s initiatives

Under the river
22 January, 2016
Tunnelling under the Fraser River in the Lower Mainland, British Columbia, is no easy task. That is what the Port Mann Main Water Supply Tunnel project team has learned over the past three years. Stephanie Fekete and Andrew McGlenn of McMillen Jacobs Associates discuss the recent tunnel completion and summarise the demands that were required in order to make this drive successful

Under the river
03 November, 2015
Tunnelling under the Fraser River in the Lower Mainland, British Columbia, is no easy task. That is what the Port Mann Main Water Supply Tunnel project team has learned over the past three years. Stephanie Fekete and Andrew McGlenn of McMillen Jacobs Associates discuss the recent tunnel completion and summarize the demands that were required in order to make this drive successful

Harbour rescue
13 August, 2015
Despite damage by Superstorm Sandy, crews are smoothly wrapping up a successful tunnel project in New York. The journey to TBM breakthrough this January, however, was anything but smooth. Robbins technical writer Desiree Willis reports.

Harbour Rescue
20 May, 2015
At a harbour-side jobsite in New York, USA crews are smoothly wrapping up a successful water tunnel project. The journey to TBM breakthrough in January 2015, however, was anything but smooth. Robbins technical writer Desiree Willis reports

Driving diversions
24 April, 2015
To build a river diversion for the La Romaine project in Quebec, EBC-Neilson chose to excavate with a full face. Donald Proulx, vice president of heavy civil works and mines, business development proposals, for EBC Neilson, reports.

Tunnelling complete on Harbor Siphons
03 March, 2015
New York - TBM mining some 35m below New York Bay completed on January 28, on the 2.9km-long tunnel for the New York City Harbor Siphons Project.

Romaine Diversion
18 December, 2014
To build a dam for the La Romaine project in Quebec, a joint venture of EBC-Neilson needed to build a river. Donald Proulx, vice president of heavy civil works and mines, business development proposals, for EBC Inc, based in Quebec reports