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mine dewatering pipelines Water Management

Flying Fish Dewatering

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Description

Fortescue’s Eliwana Mine Site required the installation of dewatering infrastructure to allow the mining of the Flying Fish ore body. This included a new bore field, pipeline infrastructure, holding tanks and turkey’s nests.

TCD’s key deliverables included:

  • 45km of HDPE pipelines for water supply of the mine, inclusive of 8km of buried pipelines
  • 4 x Turkey’s Nests, each with a LV and HV Standpipe
  • 1 x Transfer Pond and Pump Station
  • 12 x Abstraction Bores
  • 6 x Re-Injection Bores

Whilst on-site additional works were awarded for the pipe re-alignment for the Flying Fish Haul Road, as the current design clashed with the existing pipeline. Works included the installation and re-alignment of piping, valves and fittings.

 

Summary

$18M

Total Project Value

Client
FMG
Location
Elliwana Mine Site, WA
Project Duration
12 Months
Project Start
June 2022
Project Finish
June 2023

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Tunnel Construction

Far West Hub Project

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TCD were engaged by Fortescue for the Far Web Hub Project – Detailed Earthworks and the Supply and Construction of Culverts and a Tunnel.

The scope of works included:

  • Tunnel: Supply and installation of 1 overpass tunnel, inclusive of the concrete tunnel footings, backfilling and compacting earthworks around the tunnel to the final overpass RL levels.
  • Culverts: Supply and installation of 10 banks of CSP culverts and associated scour protection, inclusive of the cutting, forming and trimming drainage entry and exit channels, backfilling earthworks around the culverts and forming and finishing the earthworks to the final RL’s along the chainage.
  • Detailed Earthworks: Complete detailed earthworks for the CV010 RLC along the full conveyor chainage (approximately 10.4km in length), including sheeting to finish the final RL levels. Works included the forming and finishing LV windrows for maintenance tracks along the entire length of the RLC and all and many other temporary miscellaneous civil and earthworks.
  • Crusher Pad Foundation: Detailed earthworks for Hopper 010 primary crushing pad foundation, excavations for footings and construction pads, including foundation earthworks for Hopper 10’s discharge conveyor.

 

Summary
Client
Fortescue
Location
Cloud Break Mine Site
Project Duration
months
Project Start
April 2021
Project Finish
September 2021

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Water Management

Solomon Stockyards 1A TN Pump Install & Tie-Ins

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Description

Fortescue undertook a review of Solomon’s forecasted water balance and identified the requirement to reequip and abstract water from the existing stockyards borefield. This borefield, along with future borefields in the lower Fortescue area would be used to supply up to 250 L/s of water for use throughout the Solomon site.

The existing Solomon Drive Turkeys Nest will be used to store the bore water before being transferred by a new High Pressure (HP) pump station up to the existing Raw Water Break Tank. This transfer will be achieved through a newly installed DN630 HP HDPE pipeline. In addition to this, water will also be gravity fed down to the existing 17M Dam Raw Water Storage Facility (RWSF) via a newly installed DN630 HDPE supplementary gravity main.

TCD’s key deliverables included:

  • Upgrade of stockyards Turkey’s Nest with new electrical pumps and associated steel piping.
  • Cleaning and rectification of existing Turkey’s Nest.
  • Installation of new high-pressure pipes through the pond wall.
  • Installation of new electrical pumps.
  • Installation of new steel pump station, with associated valving.
  • Hydro testing of new pump station and piping.
Summary

$2.9M

Total Project Cost

Client
FMG
Location
Solomon Mine Site, WA
Project Duration
3 Months
Project Start
September 2022
Project Finish
November 2022

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Civil Construction Earthworks Roadworks

Roy Hill ROM4 Drainage

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TCD were engaged by Nepean for delivery of the Roy Hill ROM 4 Marble Bar Road Upgrade Project. The scope of work included delivering the following to MRWA specifications:

  • Implementation of MRWA approved traffic management and traffic controls.
  • Survey control establishment and construction set-out.
  • Offshoot drainage formation and upgrades.
  • Box out of existing pavement shoulder.
  • Subgrade preparation.
  • Importation, placing and compacting 125mm crushed rock subbase.
  • Importation, placing and compacting 180mm crushed rock basecourse.
  • Prime and 16/10mm double-double seal with S45R polymer modified binder (PMB) and 7mm scatter coat.
  • Supply and Installation of 600m of TL3 standard guardrail and end terminals.
  • Construction of 60m of concrete TL5 crash barrier as cast in-situ.
Summary

$2.5M

Total Project Cost

Client
Nepean Conveyors
Location
Marble Bar, WA
Project Duration
7 Months
Project Start
September 2022
Project Finish
March 2023

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Tunnel Construction

Eastern Leases Arch Install

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TCD were engaged by Q H & M Birt for the installation of a corrugated steel tunnel to support a new heavy vehicle hail road creek crossing as part of the Eastern Leases mine expansion works on Groote Eylandt, in the Northern Territory, for the Principal GEMCO / South32.

The tunnel was a 71m long, 16m wide and 5.5m high structure with a second layer of external ribs required to give it additional strength.

The tunnel consisted of over 1,000no. individual plate segments weighing up to 300kgs each and held together with approximately 20,000 bolts.

The assembly had to follow the stringent manufacturers recommendations in terms of both sequencing and bolt torque requirements to ensure both stability during construction and that it meets its design load requirements.

Construction was carried out at the start of the Northern Territory wet season in extremely hot, humid conditions punctuated by frequent storm events which would result in the creek flowing and restricted access for our cranes and EWP’s.

Summary

$2.4M

Total Project Cost

Client
QH&M Birt Pty Ltd
Location
Groote Eylandt, NT
Project Duration
4 Months
Project Start
September 2022
Project Finish
December 2022

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Civil Construction Roadworks

Castle Road Construction

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Fortescue Solomon Mine Site required the construction of a new 5.3km all-weather access road, Castle Road, from its permanent mine site camp to the central facilities office and workshop area.

The works involved the installation of multiple groups of corrugated steel pipes to light vehicle roads, the construction of light vehicle roads and the construction of drainage channels.

The construction of Castle Road consisted of clear and grub of topsoil material, cut and backfill material road embankments and the installation of a 200mm wearing course / pavement, surface grading, installation of light vehicle windrow delineators and reinstalling existing road signage along the entire length of the road.

Summary
Client
Fortescue
Location
Solomon Mine Site
Project Duration
5 Months
Project Start
April 2021
Project Finish
August 2021

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Civil Construction

Pumpstations

We have provided maintenance and engineered solutions for new works

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We install, construct and maintain pump stations

With an extensive range of equipment and experience, we have provided maintenance and engineered solutions for new works and upgrades on pumping stations and pipework across the state for over 35 years.

Our experience in projects across WA, including many for the Water Corporation, has taught us that sewage pump stations can be very technical in terms of both design and construction. And it involves integrating many of our services, including excavation, earthworks, de-watering. electrical works, concreting, componentry installations, as well as asphalt and kerbing.

Our ability to integrate and manage services is our specialty

Our highly trained team seamlessly combines all our services to ensure the job is done properly – on time, on budget, the first time. It’s quality and service you can rely on.

Talk to our Construction Experts

We support our clients when they need it most. Contact our experts to see how TCD can partner with your business.

Civil Construction

Earthworks

TCD Group delivers expert earthworks services, shaping rugged landscapes into robust foundations for mining, infrastructure and development projects across Western Australia. Our extensive, well-maintained equipment fleet ensures we meet the demands of remote and complex terrains. Committed to reliability and cost-effectiveness, we provide tailored solutions that lay the groundwork for enduring project success

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Regional Strength

TCD brings decades of regional expertise to earthworks, mastering the Pilbara’s challenging landscapes with finesse. From initial site clearing to final contouring, our comprehensive approach ensures every project meets exacting standards.  Our deep understanding of Western Australia’s terrain allows us to transform even the most demanding sites into stable platforms for industrial and community development.

Our ability to integrate and manage services is our specialty

TCD Group redefines earthworks with our multidisciplinary expertise, offering clients a seamless, one-stop solution. Our ability to integrate all aspects of civil, electrical, and water services sets us apart, ensuring earthworks projects transition effortlessly into broader infrastructure goals. From site preparation to complex grading, our in-house teams and robust equipment fleet deliver unmatched precision and coordination. This approach minimizes vendor overlap, boosts capital efficiency, and provides a competitive edge, driving superior outcomes for our clients across Western Australia.

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We support our clients when they need it most. Contact our experts to see how TCD can partner with your business.

Civil Construction

Roadworks

From haul roads for mining operations to sealed corridors for regional communities, we deliver durable, high-performance solutions. Our skilled teams and extensive resources ensure every project meets exacting standards, reflecting our long-standing reputation as the trusted choice for road infrastructure across the state.

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Regionally Focussed

TCD excels in roadworks across Western Australia’s remote regions, driving efficiencies in challenging landscapes. With Main Roads approval, we ensure compliance with the highest standards while deploying tailored methodologies for our projects. Our advanced equipment and regional expertise accelerate schedules and reduce costs, delivering reliable road networks that enhance connectivity and operational performance for clients in isolated environments.

One contractor delivering the whole project

TCD’s multidisciplinary approach elevates roadworks, offering clients an integrated, in-house solution. We seamlessly combine road construction with earthworks, culverts, and underground services, minimizing vendor coordination. Our skilled workforce and robust resources deliver projects with precision, cutting timelines and boosting capital efficiency. This unified model ensures durable, high-quality roads, providing a competitive advantage for clients across mining and infrastructure developments.

Talk to our Construction Experts

We support our clients when they need it most. Contact our experts to see how TCD can partner with your business.

Civil Construction

Tunnel Construction

TCD is a leader in tunnel construction, specialising in multi-plate tunnels and concrete arches, we provide durable passageways for drainage, utilities, and access in mining and infrastructure projects. Our extensive experience and skilled teams ensure every tunnel is installed with precision, meeting the highest standards of quality and performance for our clients.

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Strength in Remote Operations

TCD excels as tunnel construction specialists, installing systems Australia-wide, with a strong focus on Western Australia’s remote regions. Our proven methodologies optimize efficiency in challenging terrains. Using advanced equipment and regional expertise, we deliver tunnels that enhance project timelines and reduce costs, ensuring reliable infrastructure for clients operating in isolated environments across the country.

Our ability to integrate and manage services is our specialty

TCD’s multidisciplinary focus transforms tunnel construction into a seamless, in-house process. We handle the full installation—from initial earthworks and concrete footings to structure assembly and backfill—without reliance on external vendors. This integrated approach, supported by our skilled workforce and robust resources, ensures precision, cuts timelines, and boosts capital efficiency. Clients benefit from a unified, high-quality tunnel solution tailored to complex project demands.

Talk to our Construction Experts

We support our clients when they need it most. Contact our experts to see how TCD can partner with your business.