Search Results: 'Jacobs'

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Country barn aims to placate HS2 opponents
24 July, 2020
On the surface, it is a functional, rustic, country barn set back from the road and in harmony with its bucolic setting. A closer inspection reveals not a barn at all but a headhouse for an HS2 tunnel ventilation shaft.

TBMs leaving site on the Sydney Metro project
25 February, 2020
Australia – The four 7m-diameter Herrenknecht double shields that excavated the tunnels for the City & Southwest phase of the Sydney Metro are being lifted out of construction sites and are leaving the city. Between them they have excavated 30km of twin metro tunnel and only the slurry TBM for the harbour crossing remains.

Encountering Pingoes
20 February, 2020
A slurry TBM encountered an unexpected drift filled hollow (DFH) on the Lee Tunnel drive. Three contributors told their part of the story: project geotechnical engineer Tim Newman gave a description of the project and some of the GI undertaken ahead of the drive, tunnel construction manager John Corcoran spoke about tunnel operations and consultant geologist Jackie Skipper about emergency response site team, forensic ground investigation to gauge extent of DFH, what is a DFH and tell-tale signs. Martyn Noak from Jacobs reports

Sydney Metro finishes city centre tunnels
22 January, 2020
Australia – Four out of five drives for the Sydney Metro’s ‘City and Southwest’ phase have been completed. The most recent breakthrough was into Barangaroo Station. These drives represent the entirety of the city centre tunnels, with only a second tube crossing the harbour still to be completed. As of 21 January, some 97% of tunnel excavation had been completed.

City & Southwest
20 January, 2020
Alex Conacher visits the Sydney Metro’s second phase to speak with Terry Sleiman, project director for the contractor John Holland CPB Ghella, Hugh Lawson, project director for the client, and Kate Cole, occupational health and hygiene manager for Transport for NSW

Central Interceptor project’s TBM ordered
14 November, 2019
New Zealand – The Central Interceptor wastewater project has ordered a 5.45m-diameter Herrenknecht EPB for its main 13km tunnel. The tunnel depth will vary from 15-110m, with a harbour crossing 15m below the seabed. The finished diameter of the tunnel will be 4.5m.

TAC Directors’ Reports / Quebec and Maritimes
22 October, 2019
Every autumn the TAC directors report on projects and activities in their regions.

New Zealand tunnel work inspires health and safety course
03 September, 2019
New Zealand – The New Zealand Tunnelling Society (NZTS) recently ran a three-day health and safety course in Auckland in recognition of the significant amount of tunnelling activity currently going on in the city. Two major tunnelling projects, City Rail Link and the Central Interceptor sewer project are in the early stages of construction as well as various small utility tunnel schemes.

Cross River Rail awards fit-out contract
29 August, 2019
Australia – The Cross River Rail project in Brisbane has awarded the second major contract, which is for the upgrading of seven stations, installing rail infrastructure in the tunnels and integrating the project with the existing network.

MCM Jacobs announces promotions
15 July, 2019
California – McMillen Jacobs announced July 12 it appointed Victor Romero to the role of executive pice President.

Hybrid Strength
30 April, 2019
In just under a year, the TBM excavating the Ohio Canal Interceptor in Akron made its big breakthrough. Paola De Pascali reports on the mixed ground project.

Head to the lake
29 April, 2019
Construction started this year on the City of Toronto’s Ashbridges Bay Treatment Plant Outfall at Lake Ontario. Andre Solecki, Riley McMillan and Kai Fung, of Hatch, and Justyna Kempa-Teper with the City of Toronto discuss the design challenges for the project.

Dempf joins McMillen Jacobs Associates
27 March, 2019
USA – McMillen Jacobs Associates appointed Mark Dempf as its vice president for construction management in its New York office. In this role, Dempf will support existing tunnel and underground design and construction projects and participating in new project pursuits, including projects for existing clients.

First West Gate TBM arrives on site
22 February, 2019
Australia – Assembly is underway on the first of the two 15.6m diameter Herrenknecht EPBMs that will build the West Gate Tunnel in Melbourne.

West Gate Tunnel
20 December, 2018
Paola De Pascali talked with Shane D’Rozario, technical director from West Gate Tunnel Authority, and Andrew Shepherd, tunnel zone manager from CPBJH joint venture, about the main challenges they expect to meet during the construction of the West Gate Tunnel

Getting Clearance
20 December, 2018
Navigating existing infrastructure above and below ground, Dragados/ Tomlinson has completed the first of two drives for a new stormwater storage system in Ottawa. Nicole Robinson reports

Getting clearance
01 November, 2018
Navigating existing infrastructure above and below ground, Dragados/ Tomlinson has completed the first of two drives for a new stormwater storage system in Ottawa. Nicole Robinson reports

TAC Directors’ Annual Reports
26 October, 2018
Each regional director for the TAC writes a report in October sharing the status of work and forthcoming projects in the five chapters across Canada

Changing safety culture
29 August, 2018
Leah Jacobs looks at her own contribution to the Waterview Connection project in New Zealand

Leah Jacobs
29 August, 2018
From a childhood passion for Lego to a management attitude for tunnel projects. Paola De Pascali spoke with Leah Jacobs, handover manager at London Bridge Associates and winner of the Harding Prize 2018