WATCH: Halfway mark for Metro Tunnel

The project’s first two tunnel boring machines (TBMs) have finished digging between the tunnel’s western entrance in Kensington and the site of the new Parkville Station, with a breakthrough at Parkville occurring last week. Metro Tunnel shared the video on social media, saying these milestones mark a 50 per cent completion of tunnelling for the Read More

Roadheaders at work on Cross River Rail

The two roadheaders are currently tunnelling in two different directions at the project’s Woolloongabba worksite from a 20 m deep station cavern. The machines are tunnelling approximately 1.5 m/day while additional works including the erection of a large spoil shed is being completed in the surrounding site. Two Herrenknecht TBMs will be launched from the Read More


Three consortia shortlisted for major NSW project

Sydney Metro West will double rail capacity between Greater Parramatta and the Sydney CBD through the construction of four new tunnels. The finished infrastructure will link new communities to rail services and has a target travel time of approximately 20 minutes between Parramatta and the Sydney CBD. The following consortia have been shortlisted for two Read More


Historic tunnel documentary wraps up

‘Sydney’s Super Tunnel’ was filmed over five years and traced the engineering challenges faced on the largest transport project in Australia’s history. The fourth and final episode of the independent series documents what happened when nubbles began appearing on the surface of Sydney Harbour – directly above tunnel boring machine Kathleen, which was stopped 50 Read More

Local servicing at its KOR

KOR’s new facility is located in Cockburn Central in the heart of Perth’s industrial zone and is a convenient 20 minute drive from Perth CBD, where it will support the industry’s growth in a region where vacuum and hydro excavation technology has thrived in recent years. KOR says supporting WA’s growth with the equipment the Read More

Cross River Rail recruits trainees

Cross River Rail presents a great opportunity for local workers and contractors, creating more than 7,700 jobs during its construction and 450 opportunities for trainees and apprentices. With 150 trainees and apprentices already onboard, Cross River Rail expects this number to grow thanks to a new training qualification. In collaboration with TAFE Queensland, Cross River Read More

Metro Tunnel TBMs roll on

In May, the second TBM – dubbed Alice – was assembled and commissioned at the Anzac Station site before being launched and joining Millie, the first TBM. TBM Millie has been tunnelling towards the Eastern Portal in South Yarra, with the tunnelling support site at Edmund Herring Oval now operating at capacity to filter and Read More

View the latest trenchless technology tenders

View the latest trenchless technology tenders

Junction Rd, Balhannah Stormwater Upgrade ProjectIssued by: Adelaide Hills CouncilClosing date: 18 June 2020 Location: South Australia Description: The project comprises a variety of tasks including demolition, hydrojet cleaning of pipes, CCTV pipe inspection, road reconstruction, road reinstatement, kerbing, stormwater works, line marking and associated items of work. Provision of pipe jacking for culverts on Read More

Boring through a pandemic

by David Convery, Managing Editor, Great Southern Press. Seemingly overnight, the COVID-19 pandemic changed the way Australia, and the rest of the world, operated. Borders were closed, schools were shut down, public events postponed or cancelled and rules were put in place to make sure people stayed away from each other. Many workers from every Read More

sydney metro

VMT supports Sydney Metro

At the end of April 2020, the final tunnel boring machine (TBM) drive was completed at Blues Point after tunnelling 885 m from Barangaroo, working at a depth of up to 40 m under Sydney Harbour. Now the project is being extended to cover the city and southwestern districts of Sydney with the current work Read More

Breakthrough milestone for Forrestfield Airport-Link

The 130 m, 600 t machine has spent more than 900 days tunnelling through varying and challenging conditions, including under Perth Airport and the Swan River. Arriving at the Bayswater dive structure at the end of April, the TBM completed a total of 16 km for the project comprising twin bored tunnels of 8 km Read More

Major Metro Tunnel construction continues

One tunnel boring machine (TBM) has begun tunnelling towards the southeastern suburbs while the assembly of another TBM is also nearing completion. The construction works will now comprise 24/7 tunnelling in the direction of South Yarra with a tunnel boring support site at Edmund Herring Oval commencing its around the clock operations. Metro Tunnel will Read More

TBM emerges in Sydney

John Holland shared a picture of TBM Kathleen on social media after it tunnelled 885 m from Barangaroo to Blues Point at depths as low as 40 m. “This is what the might of Sydney Harbour did to our once crispy clean TBM,” said the company. TBM Kathleen is named after Kathleen Butler, who was Read More

sydney metro

Sydney Metro tender opens

The New South Wales Government has called for expressions of interest for the project’s first two major infrastructure packages, being the delivery of twin tunnels between Westmead to Sydney Olympic Park and from Sydney Olympic Park to The Bays. The contracts will require tunnellers, electricians, plumbers, carpenters, concrete workers, truck drivers, labourers and security guards. Read More

Update your listing in the Australasian Trenchless Directory

The directory is an invaluable print and online reference tool that lists companies involved in the industry in alphabetical order and in groups according to the products and services they offer. A basic listing in the directory is free and guaranteed for all ASTT members, as well as supporters of Trenchless Australasia magazine. The deadline to submit changes to your listing is midnight on Read More

Deferring GST available for Australian importers

The Australian Taxation Office (ATO) offers a scheme for domestic importers whereby instead of paying GST on taxable imports upfront, you can defer payment until the first activity statement is lodged after the goods are imported. To participate in the scheme, an importer must: have an ABN be registered for GST lodge activity statements monthly Read More

WATCH: GPR technology in action

The Raptor is a high-speed, 3D GPR Array that enables collection of 3D GPR data at speeds in excess of 130 km per hour and 5 cm point intervals. Due to these survey speeds, the system eliminates the need for traffic control and safety vehicles compared to conventional systems that typically operate at a maximum Read More

sydney metro

Major Sydney tunnelling completed

This marks the completion of major tunnelling construction under the centre and north of Sydney for the Sydney Metro City project. The 1,100 t TBMs each tunnelled through sandstone and shale at an average rate of 167 m per week. The machine’s 38 cutters, which were made from hardened steel and weighed 250 kg, had Read More

ASTT Technical Forums fast approaching

The first series of 2020 ASTT Technical Forums Australia will be taking place on 26 March in Sydney and 2 April in Melbourne. The Sydney forum will be held at the Sydney Water and Commercial Hotel from 4–7.30pm while the Melbourne event will be held at Munich Brahaus from 3–6.30pm. Interflow Environment and Sustainability Manager Read More

Forrestfield-Airport Link TBM bound for finale

In September 2019, tunnel boring machines (TBM) Grace and Sandy had each tunnelled more than 5.6 km and 4.8 km respectively of the Forrestfield-Airport Link. Now, TBM Grace is expected to arrive at Bayswater Junction within the next month and is bound for its third and final breakthrough. TBM Sandy is less than 1 km Read More

Metro Tunnel makes great progress

In November, Metro Tunnel announced that it would amp up work on Victoria’s biggest transport project throughout the summer months. At the time, Meg – the second TBM – had progressed approximately 50 m towards the tunnel entrance in Kensington and installed more than 20 rings while the project’s first TBM, Joan, had travelled more Read More


Sydney Metro reaches new milestone

Since launching in February 2019, TBM Mabel has travelled 6.2 km underground from Chatswood – via new metro railway stations at Crows Nest and Victoria Cross – to reach Blues Point. This is an important step in extending Sydney Metro into the city as it means the twin tunnels between Chatswood and the edge of Read More

Cross River Rail underway

The Cross River Rail will connect the northern and southern rail networks in Brisbane’s CBD with a 10.2 km line from Dutton Park to Bowen Hills and 5.9 km of the alignment being tunnelled under Brisbane River. The project will deliver four new underground stations at Boggo Road, Woolloongabba, Albert Street and Roma Street, as well Read More

Metro Tunnel amps up work

Since late October the Metro Tunnel’s second tunnel boring machine (TBM) Meg been tunnelling and progressed approximately 50 m towards the tunnel entrance in Kensington, installing more than 20 rings. The project’s first TBM, Joan, had already travelled more than 250 m west from North Melbourne and installed more than 140 rings to line the Read More


Sydney Metro hits milestone

Since being awarded the $463 million contract in September, the Oxford Properties, CPB Contractors and Grocon consortium have made significant progress.   TBM Nancy has now tunnelled 6.8 km via the new metro stations at Waterloo, Central and Pitt Street in Sydney, New South Wales. The caverns for the new Martin Place Station – located Read More

View the latest trenchless technology tenders

View the latest trenchless technology tenders

Wangaratta WWTP upgrade – Stage 2 – lagoon 5 and 13 rehabilitationIssued by: North East WaterClosing date: 28 October 2019Location: VictoriaDescription: Design and construct approximately 165,000 m2 of geosynthetic clay liner to rehabilitate two existing lagoons at Wangaratta Wastewater Treatment Plant. The project scope of works includes design, supply, install, test and commission of all Read More