Diona is a multi-utility infrastructure civil engineering company with more than 30 years experience.
With a highly qualified and experienced management team, skilled field personnel, and a large range of specialist plant and equipment, we have a reputation for high quality work, innovative design solutions and exemplary community relations.
Our speciality is medium-to-large utility transmission infrastructure projects in high density urban areas. We have a proven track record of innovative design and construction methods to meet challenging client requirements.
We offer the following benefits that set us apart from our competitors:
Integrated design and construction
Our in-house design team is backed by over 30 years of on-site experience. This means our designs have a high degree of constructability. So works can be completed quickly, cost effectively and with a minimum of costly variations.
A hands-on approach
We pride ourselves on our ability to self-perform with our dedicated multi-skilled teams and extensive specialist plant. We also have a strong focus on collaboration with our specialist partners and enjoy strong relationships that give us the certainty to tackle the most complex of challenges. These resources allow us to ensure an excellent standard of work combined with the depth to respond quickly to changes in scope to ensure 'best for project' outcomes.
Innovative designs and methods
We know you're under pressure to bring in projects on time and on budget. That's why we’re constantly evolving new design techniques and technology to complete projects quicker, more cost effectively and with less environmental and community impact.
Experience you can rely on
There's no substitute for experience, and Diona has it. Many of our key people – on site and in the management team – have been with us for 10 years or more.
Some of Diona's recently completed projects include:
• Hunter Water: Tomago Trunk Main – Ash Island
• Powerlink: 275kV Cable Installation
• Byron Shire Council: Brunswick Area Sewer Augmentation
• Sydney Desalinisation Water Pipeline
• Delta Colongra: 42 Inch Lateral Gas Pipeline
• Gold Coast Desalination Pipeline
• Multiple Energex Transmission – Brisbane Wide
• Multiple Energy Australia Transmission Projects – Greater Sydney and Hunter Regions
• Brisbane Water Main Renewals
• Energy Australia CCL Distribution
Whatever the asset - Diona Deliver!
09 July 2013
Diona is proud to announce that on 5th June 2013, it achieved Office of the Federal Safety Commission (OFSC) accreditation.
01 July 2012
Transgrid Western Sydney Supply Project, design and construct contract was awarded to Diona, it is the largest contract in the company’s history and will supply 330kV cross-linked polyethylene cable circuits from Holyroyd to Rookwood Road and Sydney Park to Haymarket.
15 June 2012
Diona foreman Ken Stafford will take part in the Ride to Conquer Cancer, a 200km cycle to raise funds for the Chris O’Brien Lifehouse at the RPA hospital in Sydney.
01 November 2011
In support of men’s health, in particular prostate cancer and depression, our Queensland office staff joined together to form The Monas, growing their moustaches for the month of November to raise funds and awareness.
31 October 2011
After two years of hard work The Adelaide Central Reinforcement Project was completed on schedule and achieved practical completion on 31 October 2011.