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Why Diona
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HSEQ
Industry Associations and Accreditations
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Markets
Gas
Power
Water & Wastewater
Transport - Rail and Roads
Renewables
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Why Diona
Vision & Values
HSEQ
Industry Associations and Accreditations
Awards
Markets
Gas
Power
Water & Wastewater
Transport - Rail and Roads
Renewables
Services
Program Management
Design and Construct
Construction
Plant & Labour Hire
Testing & Commissioning
Trenchless Construction
Geothermal
Community and Stakeholder Engagement
Projects
Brisbane Metro Early Works
Water North Package
Prospect to Macarthur – Package 9 - Community Engagement
Johnstons Creek Naturalisation
Civil Construction Services Panel
Asset Renewals and Replacement Program
Port Lincoln Summit 10ML Emergency Tank
Leigh Creek Pipeline
Brisbane CBD Mains Renewal
Water North Zones Program
Donnybrook Link Branch Sewer Stage 2
Baldwin Road Sewerage Pump Station & Rising Main
Ballarat East Sewer Outfall Stage 1
Petrie Mill Trunk Sewer Augmentation & Pump Station
Assisi Catholic College Solar Installation
St Francis of Assisi Primary School - geothermal installation
Buderim Residence - geothermal installation
Siena Catholic College - geothermal installation
Fairwater – Precinct wide geothermal installation
McLachlan and James Street Intersection Stormwater Upgrade
Rozelle STS Expansion and Associated Civil Works
Eastern CBD 11kV Cable Project
Parramatta Light Rail Enabling Works
Gawler East Link Road - South Para Bridge
Powells Creek Naturalisation
APA Seaford-Aldinga Augmentation
Gawler East Link Road Project
Adelaide CBD Mains Replacement Program
Somerton Road Branch Gravity Sewer
Scott Street Dandenong Gas Main Renewal
Literature Lane Gas Main Relocation
APA Mains Renewal Program - Fitzroy Stage 3
Cedar Grove Pump Stations
Murarrie Looping Project
Peakhurst Substation
St Marys Wastewater Central Precinct
Epping to Chatswood Rail Line 33kV Installation
Installation of Water Services - Cudgegong Road
Sydney Metro Northwest: various packages
Tunnel Dewatering Systems: Sydney Metro Northwest
Pennant Hills Road & Marsden Road Intersection Upgrade
Great Western Highway Safety Upgrade: Blackheath
Beecroft and Carlingford Roads Intersection Upgrade
Bilpin Overtaking Lane
Marsden Park Pressure Sewer
Hay Street Substation
Sydney Light Rail
Hayes Hill Branch Gravity Sewer
Rochedale Water Infrastructure Upgrade
Refresh Woolloomooloo
Strategic Infrastructure Delivery Partner Agreement - Unitywater
Ausgrid Substation Oil Containment Infrastructure Upgrade
Chetwynd Street Lift Pump Station Civil & Mechanical Works
Logan Reserve 110kV
Sydney Park to Haymarket 330kV Cable Circuits
Brunswick Area Sewer Augmentation
Singleton Sewage Treatment Plant – Ultraviolet Disinfection System
North West Growth Centre Wastewater Transmission
Albert Street Gas Insertion
Colongra Lateral Pipeline
Lilydale Gas Pipeline
Marburg Range Repair Project
Chambers Flat Pump Station
Tanunda Gas Pipeline
Greenhill Road Gas Pipeline
North Sydney Desalination Pipeline
Tarro to Shortland - Trunk Watermain
Kilcoy Water Main Augmentation
Mudgeeraba Water Treatment Plant – Pipework Reconfiguration
Northern Beaches B-Line Program – Water & Sewer
Bromelton Trunk Water Main
Elara Estate: Western & Northern Gravity Sewer Lead-Ins & Sewer System Works
Roma to Brisbane Pipeline (RBP) Dig Ups – Stage 2
South West Priority Land Release Area (SWPLRA) – Water Infrastructure
Eastern Creek Gravity Sewer Extension
Canterbury Town Centre – Water & Sewer Infrastructure
Singleton Town Centre Upgrade
Gresford Road Bridge Over Glendon Brook
Picnic Point to Haymarket – 330kV cables
Adelaide Central Reinforcement Project
Bald Hills to Carseldine 275kV Cable Upgrade
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