Our Projects

We'd love to be able to demonstrate our project experience, please expand your search criteria.

You may find what you are looking for by broadening your search terms.

South West Priority Land Release Area (SWPLRA) – Water Infrastructure

Sydney, New South Wales

Gas Mains Replacement Adelaide

Adelaide Central Reinforcement Project

Adelaide, South Australia

Bilpin Overtaking Lane

Sydney, New South Wales

Johnstons Creek Timelapse

Greenhill Road Gas Pipeline

Adelaide, South Australia

Picnic Point to Haymarket – 330kV cables

Sydney, New South Wales

R U Ok Day 2020

Sydney Metro Northwest: various packages

Sydney, New South Wales

Marburg Range Repair Project

Marburg, Queensland

Rhonda McSweeney joins Diona as Executive General Manager

Pennant Hills Road & Marsden Road Intersection Upgrade

Sydney, New South Wales

Powells Creek Naturalisation Project

Scott Street Dandenong Gas Main Renewal

Dandenong, Victoria

Diona Melbourne

Hay Street Substation

Sydney, New South Wales

Sydney Light Rail

Sydney, New South Wales

Eastern Creek Gravity Sewer Extension

Sydney, New South Wales

Hayes Hill Branch Sewer

Great Western Highway Safety Upgrade: Blackheath

Blackheath, New South Wales

Murarrie Looping Project

Brisbane, Queensland

Gresford Road Bridge Over Glendon Brook

Mitchells Flat, New South Wales

Murrarie Looping Project

Beecroft and Carlingford Roads Intersection Upgrade

Sydney, New South Wales

Petrie Mill Trunk Sewer Augmentation & Pump Station

Canterbury Town Centre – Water & Sewer Infrastructure

Canterbury, New South Wales

Works complete on Cedar Grove

Gawler East Link Road - South Para Bridge

Elara Estate: Western & Northern Gravity Sewer Lead-Ins & Sewer System Works

Marsden Park, New South Wales

Cedar Grove Pump Stations

APA Mains Renewal Program - Fitzroy Stage 3

Melbourne, Victoria

North Sydney Desalination Pipeline

Sydney, Australia

St Marys Wastewater Central Precinct

Sydney Light Rail Intersection Work

Marsden Park Pressure Sewer

Brunswick Area Sewer Augmentation

Byron Bay, New South Wales

Parramatta Light Rail Enabling Works

Cedar Grove Pump Stations

Cedar Grove, Queensland

Ausgrid Substation Oil Containment Infrastructure Upgrade

New South Wales, Australia

Kilcoy Water Main Augmentation

Kilcoy, Australia

Chetwynd Street Lift Pump Station Civil & Mechanical Works

Loganholme, Queensland

Rochedale Water Infrastructure Upgrade

Tanunda Gas Pipeline

Tanunda, Australia

Refresh Woolloomooloo

Buderim Residence - geothermal installation

Buderim, Queensland

Singleton Town Centre Revitalisation Part II

Rozelle STS Expansion and Associated Civil Works

Siena Catholic College - geothermal installation

Sippy Downs, Queensland

Tarro to Shortland - Trunk Watermain

North West of Newcastle, Australia

McLachlan and James Street Intersection Stormwater Upgrade

Brisbane, Queensland

Strategic Infrastructure Delivery Partner Agreement - Unitywater

Adelaide CBD Mains Replacement Program

Adelaide, South Australia

Northern Beaches B-Line Program – Water & Sewer

Sydney, Australia

Singleton Sewage Treatment Plant – Ultraviolet Disinfection System

Singleton, New South Wales

Marsden Park Dual Barometric Loop Construction

Hayes Hill Branch Gravity Sewer

Melbourne, Victoria

Diona 40 Year Celebration Teaser

Literature Lane Gas Main Relocation

Melbourne, Victoria

Installation of Water Services - Cudgegong Road

Sydney, New South Wales

International Women in Engineering Day 2020

Grey Street Sewerage Pump Station Project Update

APA Seaford-Aldinga Augmentation

Seaford, South Australia

Fairwater – Precinct wide geothermal installation

Blacktown, New South Wales

Bald Hills to Carseldine 275kV Cable Upgrade

Brisbane, Queensland

Rochedale Water Infrastructure Upgrade

Brisbane, Queensland

Bromelton Trunk Water Main

Bromelton, Queensland

Marsden Park Pressure Sewer

North West Sydney, New South Wales

Singleton Town Centre Upgrade

Singleton, New South Wales

Safety comes first at Diona

Epping to Chatswood Rail Line 33kV Installation

Sydney, New South Wales

Petrie Mill Pump Station and Trunk Sewer Augmentation

Johnstons Creek Naturalisation Project

Grey Street Pump Station

Somerton Road Branch Gravity Sewer

Melbourne, Victoria

Refresh Woolloomooloo

Sydney, New South Wales

St Francis of Assisi Primary School - geothermal installation

Glendenning, New South Wales

Mudgeeraba Water Treatment Plant – Pipework Reconfiguration

Mudgeeraba, Australia

Lilydale Gas Pipeline

Lilydale, Victoria

Assisi Catholic College Solar Installation

North West Growth Centre Wastewater Transmission

Box Hill, New South Wales

Peakhurst Substation

Sydney, New South Wales

Chambers Flat Pump Station

Chambers Flat, Queensland

Logan Reserve 110kV

Logan Reserve, Queensland

Colongra Lateral Pipeline

Doyalson, New South Wales

Albert Street Gas Insertion

Brisbane, Queensland

Roma to Brisbane Pipeline (RBP) Dig Ups – Stage 2

Brisbane to Wallumbilla, Queensland

St Marys Wastewater Central Precinct

Eastern CBD 11kV Cable Project

Adelaide CBD Mains Replacement Program

Upskilling our future workforce

Powells Creek Naturalisation

Gawler East Link Road Project

Gawler East, South Australia

Tunnel Dewatering Systems: Sydney Metro Northwest

Sydney, New South Wales

International Women's Day with Rhonda McSweeney

Sydney Park to Haymarket 330kV Cable Circuits

Sydney, New South Wales