For three generations, Dunstans has been delivering ground breaking
projects all across the country.
As remote area specialists, our knowledge of Australia’s geography and geology enables us to work closely with our clients in finding strategic, timely solutions to complex and large-scale challenges.
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Macquarie River HDD
Client Dubbo Regional Council
Description Installation of a new potable water pipeline using HDD under the Macquarie River
Project date April 2018 – July 2018
Project location Dubbo, New South Wales
Pipe type 400mm HDPE PN20
Crossing length 300m
Logan River HDD Crossing
Client Diona Pty Ltd / Energex Limited
Description Installation of a bundle of five conduits under two sections of the Logan River in QLD
Project date July 2016 – September 2016
Project location Logan Reserve, Brisbane
Pipe type Bundle of: 3 x 250mm HDPE PN20 2 x 140mm HDPE PN20
Crossing length 810m
VNIE – Goulburn River Crossing
Client Spiecapag Lucas / APA VTS Australia Pty. Ltd.
Description Installation of a new 400mm Steel Pipeline, duplicating sections of the existing line.
Project date June 2016 – August 2016
Project location Seymour, Victoria
Pipe type 400mm Powercrete Coated Steel
Crossing length 630m
Orford Sewer Outfall Project
Client Jemrok/TasWater
Description Installation of a 225mm HDPE pipe to serve as an outfall for the Quarry Point Water Reclamation Plant
Project date May-June 2016
Project location Orford, Tasmania
Pipe type 225mm SDR 9 HDPE
Crossing length 500m
LCRP Bentleigh Dewatering
Client John Holland Group / LCRP
Description Installation of four horizontal dewatering pipelines to lower the water table for the LCRP
Project date March 2016 – May 2016
Project location Bentleigh, Melbourne
Pipe type Drilled 160mm HDPE PN16 installed within filtering membrane inside 250mm HDPE PN20
Crossing length 2 x 700m 2 x 650m
Anglesea WRP Outfall Replacement
Client Barwon Water
Description Installation of a 355mm HDPE outfall and 18m steel diffuser to replace damaged outfall pipe
Project date September 2015 – December 2015
Project location Anglesea, Victoria
Pipe type 355mm SDR 9 HDPE
Crossing length 700m
Yorke Peninsula FOC
Client South Australian Power Networks
Description Installation of 100km of 35mm Emtelle Microduct
Project date January 2015 – May 2015
Project location Yorke Peninsula, SA
Pipe type 35mm HDPE
Fibre length 100km
WIF Interconnect Pipeline
Client Transfield Services Australia
Description Installaton of 600mm OD gas pipeline as part of QGC’s WIF Pipeline Project
Project date January – February 2014
Project location Wandoan, Queensland
Pipe type 600mm OD Carbon steel gas pipe
Pipe length 1,600m
Anglesea River HDD Crossing
Client Barwon Water Alliance
Description Installation of 340m of 315mm HDPE rising main under the Anglesea River by HDD
Project date November – December 2011
Project location Anglesea, Victoria
Pipe type 315mm OD HDPE pipe
Crossing length 340m
VicTrack Fast Rail Project
Client Visionstream
Description To install 42km of FOC conduit from Clarkfield to Sydenham
Project date 2005
Project location Victoria
Pipe type 63mm HDPE pipe
Crossing length 42km
Telfer FOC Install
Client Silcar Communications Pty Ltd
Description Fibre Optic Cable Installation from Telfer mine to the Pardoo Roadhouse
Project date August 2006 – November 2008
Project location Western Australia
Fibre type 24 fibre
Fibre length 350km
Senex Composite Pipeline
Client Senex Pty Ltd
Description Installation of 10km of spoolable composite pipe by plough methodology and associated infrastructure
Project date August 2014
Project location Cooper Basin, SA
Pipe type 4’’ Fibrespar Composite Pipe
Fibre length 10km
QCLNG Trunk Lines Project
Client QGC (a subsidiary of BG Group)
Description Installation of underground 33 kV HV and FOC cables to supply field compressor stations for regional storage pumping stations
Project date March 2013 – Ongoing
Project location Queensland
Cable type 33 kV HV and FOC
Cable length 100km
QCLNG MCJV FOC Install
Client MCJV (MacDow and CCC Joint Venture) for QGC
Description Installation of a 540km network of FOC and associated infrastructure
Project date November 2011 – October 2013
Project location Queensland
Fibre type 6 core, 48 fibre armoured cable
Fibre length 540 km
Pingrup FOC Install
Client Silcar Communications Pty Ltd
Description Fibre Optic Cable Installation to the Pingrup area
Project date June 2006 – July 2006
Project location Pingrup, South Australia
Fibre type 24 fibre
Fibre length 35km
Node 4 HDD Conveyor Crossing
Client Bundaberg Regional Council
Description Installation of a 10-inch gas pipeline under the Carborough Downs Conveyor by HDD
Project date November 2013
Project location Queensland
Pipe type 10-inch carbon steel pipe (Grade B API 5L)
Crossing length 140m
Mitcham Stormwater HDD Outfall
Client John Holland Group
Description Installation approximately 100m of 500mm HDPE pipe by HDD
Project date March – April 2014
Project location Melbourne, Victoria
Pipe type 500mm OD HDPE SDR11 pipe
Crossing length 100m
Marble Bar FOC Install
Client Silcar Communications Pty Ltd
Description Fibre Optic Cable Installation to Marble Bar township
Project date December 2006 – February 2007
Project location Pilbrara Region, Western Australia
Fibre type 24 fibre
Fibre length 180km
Macedon Pipeline Project
Client Streicher Clough Joint Venture for BHP Billiton
Description FOC installation as part of the Macedon liquefied natural gas project
Project date 2011
Project location Western Australia
Fibre type 48 single core
Fibre length 70km
King Lake FOC Install
Client Silcar Communications Pty Ltd
Description Fibre Optic Cable Installation from Hyden to Lake King
Project date July 2006 – November 2008
Project location Western Australia
Fibre type 24 fibre
Fibre length 150km
Karara Mine Site FOC Install
Client Silcar Communications Pty Ltd
Description Install 15km of dual FOC cable
Project date 2010
Project location Karara Mine Site, Western Australia
Fibre type 48 core FOC
Fibre length 15km dual
Isaac River HDD Crossing – Moranbah
Client AJ Lucas / Arrow Energy
Description Design, construct and install a 300mm gas pipeline under the Isaac River by HDD
Project date September 2013 – October 2013
Project location Moranbah, Queensland
Pipe type 12 inch carbon steel pipe (Grade B API 5L)
Crossing length 550m
Horizontal Extraction Well
Client Senversa
Description Horizontal Dewatering Well Installation
Project date June – July 2014
Project location Melbourne, Victoria
Hole length 385m
Francis FOC Install
Client Silcar Communications Pty Ltd
Description Fibre Optic Cable installation within Francis township
Project date June 2006
Project location South Australia
Fibre type 24 fibre
Fibre length 32km
Colac Pipeline – Olangolah Weir HDD Crossing
Client Barwon Water Alliance
Description Installation of 500mm HDPE pipe by HDD
Project date May – October 2011
Project location Olangolah Weir, Otway Ranges, Victoria
Pipe type 500mm OD HDPE pipe
Crossing length 292m
Colac Pipeline – Eel Creek HDD Crossing
Client Barwon Water Alliance
Description Installation of 500mm HDPE pipe in the Otways by HDD
Project date May – October 2011
Project location Eel Creek, Otways Ranges, Victoria
Pipe type 500mm OD HDPE pipe
Crossing length 330m
Caltex Jet Fuel Pipeline
Client Caltex Refineries (QLD) Pty Ltd
Description Installation of new 250mm poly -coated steel jet fuel pipeline and a replacement section of 200mm poly-coated steel fuel line
Project date September 2014 – February 2015
Project location Lytton and Pinkenba, Brisbane
Pipe type 250mm Poly Coated steel 200mm Poly Coated Steel
Crossing lengths 2 x 540m 1 x 270m 1 x 1100m
Burnett River HDD Crossing
Client Bundaberg Regional Council
Description Installation of 360m of 450mm HDPE sewer pressure main by HDD
Project date June 2013 – August 2013
Project location Queensland
Pipe type 450mm OD HDPE pipe
Crossing length 360m
BHP RGP5 Rail Duplication
Client Visionstream – BHP Billiton
Description Dual FOC installation as part of BHP Billiton RGP5 Project
Project date August 2009 – March 2010
Project location Pilbara, WA
Fibre type 48 core
Crossing length 250km dual core