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Why Diona
Vision & Values
HSEQ
Community
Industry Associations and Accreditations
Awards
Markets
Gas
Power
Water & Sewer
Transport - Rail and Roads
Services
Design and Construct
Construction
Plant & Labour Hire
Testing & Commissioning
Trenchless Construction
Projects
News
News & Announcements
Community
Careers
Opportunities
Life at Diona
Diversity
Wellbeing
What We Offer
Staff Access
Our Projects
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New South Wales
Queensland
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South West Priority Land Release Area (SWPLRA) – Water Infrastructure
Sydney, New South Wales
Roma to Brisbane Pipeline (RBP) Dig Ups – Stage 2
Brisbane to Wallumbilla, Queensland
Refresh Woolloomooloo
Watch Video
Murarrie Looping Project
Brisbane, Queensland
Grey Street Pump Station
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North West Growth Centre Wastewater Transmission
Box Hill, New South Wales
Sydney Light Rail Intersection Work
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Greenhill Road Gas Pipeline
Adelaide, South Australia
Strategic Infrastructure Delivery Partner Agreement - Unitywater
Elara Estate: Western & Northern Gravity Sewer Lead-Ins & Sewer System Works
Marsden Park, New South Wales
Canterbury Town Centre – Water & Sewer Infrastructure
Canterbury, New South Wales
Gawler East Link Road - South Para Bridge
Gawler, SA
Powells Creek Naturalisation
Sydney, NSW
Ausgrid Substation Oil Containment Infrastructure Upgrade
New South Wales, Australia
Murrarie Looping Project
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Johnstons Creek Timelapse
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Refresh Woolloomooloo
Sydney, New South Wales
Pennant Hills Road & Marsden Road Intersection Upgrade
Sydney, New South Wales
International Women in Engineering Day 2020
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Hay Street Substation
Sydney, New South Wales
Diona 40 Year Celebration Teaser
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Chambers Flat Pump Station
Chambers Flat, Queensland
Singleton Sewage Treatment Plant – Ultraviolet Disinfection System
Singleton, New South Wales
Marburg Range Repair Project
Marburg, Queensland
Peakhurst Substation
Sydney, New South Wales
Gas Mains Replacement Adelaide
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Rochedale Water Infrastructure Upgrade
Brisbane, Queensland
Brunswick Area Sewer Augmentation
Byron Bay, New South Wales
Kilcoy Water Main Augmentation
Kilcoy, Australia
Singleton Town Centre Revitalisation Part II
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Sydney Light Rail
Sydney, New South Wales
Eastern Creek Gravity Sewer Extension
Sydney, New South Wales
Marsden Park Pressure Sewer
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Bromelton Trunk Water Main
Bromelton, Queensland
Cedar Grove Pump Stations
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R U Ok Day 2020
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Marsden Park Pressure Sewer
North West Sydney, New South Wales
Tunnel Dewatering Systems: Sydney Metro Northwest
Sydney, New South Wales
Logan Reserve 110kV
Logan Reserve, Queensland
St Marys Wastewater Central Precinct
Gresford Road Bridge Over Glendon Brook
Mitchells Flat, New South Wales
Upskilling our future workforce
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APA Seaford-Aldinga Augmentation
Seaford, South Australia
Diona: Who We Are & What We Do
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Johnstons Creek Naturalisation Project
Sydney, NSW
St Marys Wastewater Central Precinct
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Somerton Road Branch Gravity Sewer
Melbourne, Victoria
North Sydney Desalination Pipeline
Sydney, Australia
Adelaide CBD Mains Replacement Program
Adelaide, South Australia
Works complete on Cedar Grove
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Great Western Highway Safety Upgrade: Blackheath
Blackheath, New South Wales
Diona Melbourne
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Northern Beaches B-Line Program – Water & Sewer
Sydney, Australia
Colongra Lateral Pipeline
Doyalson, New South Wales
Mudgeeraba Water Treatment Plant – Pipework Reconfiguration
Mudgeeraba, Australia
Beecroft and Carlingford Roads Intersection Upgrade
Sydney, New South Wales
APA Mains Renewal Program - Fitzroy Stage 3
Melbourne, Victoria
Epping to Chatswood Rail Line 33kV Installation
Sydney, New South Wales
Scott Street Dandenong Gas Main Renewal
Dandenong, Victoria
Sydney Metro Northwest: various packages
Sydney, New South Wales
Hayes Hill Branch Sewer
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Tanunda Gas Pipeline
Tanunda, Australia
Hayes Hill Branch Gravity Sewer
Melbourne, Victoria
Lilydale Gas Pipeline
Lilydale, Victoria
Gawler East Link Road Project
Gawler East, South Australia
Safety comes first at Diona
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Chetwynd Street Lift Pump Station Civil & Mechanical Works
Loganholme, Queensland
Rozelle STS Expansion and Associated Civil Works
Sydney, NSW
Adelaide Central Reinforcement Project
Adelaide, South Australia
Powells Creek Naturalisation Project
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Marsden Park Dual Barometric Loop Construction
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Cedar Grove Pump Stations
Cedar Grove, Queensland
Rhonda McSweeney joins Diona as Executive General Manager
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Bald Hills to Carseldine 275kV Cable Upgrade
Brisbane, Queensland
Picnic Point to Haymarket – 330kV cables
Sydney, New South Wales
Sydney Park to Haymarket 330kV Cable Circuits
Sydney, New South Wales
Eastern CBD 11kV Cable Project
Sydney, NSW
Singleton Town Centre Upgrade
Singleton, New South Wales
Literature Lane Gas Main Relocation
Melbourne, Victoria
Tarro to Shortland - Trunk Watermain
North West of Newcastle, Australia
Installation of Water Services - Cudgegong Road
Sydney, New South Wales
Parramatta Light Rail Enabling Works
Sydney, NSW
Adelaide CBD Mains Replacement Program
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McLachlan and James Street Intersection Stormwater Upgrade
Brisbane, Queensland
Bilpin Overtaking Lane
Sydney, New South Wales
Albert Street Gas Insertion
Brisbane, Queensland
Rochedale Water Infrastructure Upgrade
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