About Us
First established in 1968, Jaydo Construction has grown into an industry leader in the delivery of water infrastructure projects, providing civil engineering services to various water authorities, shires, councils, developers, VicRoads and other major contractors.
Jaydo has been delivering quality infrastructure since it was founded in 1968. Co-founder John de Haan (Jan) migrated from the Netherlands to Australia in 1959. After nine years as an employee of other companies, Jan made the decision to start his own. This company, named “Jan Excavations”, rapidly established itself in the industry with early construction projects still visible today such as bluestone lining along the Yarra River, starting out with one dragline – a 22 Ruston Bucyrus or 22RB.
The company grew steadily over the next 15 years, the number of 22RBs grew until Jan owned and operated five magnificent machines. The 22RBs weren’t the only thing growing in his life; Jan became the proud father of two girls and four boys. Jan’s eldest sons, Dirk and Peter took a keen interest in the amazing pieces of machinery and it seemed to be in the blood when it came to operating plant and machinery.
In 1983, Jan Excavations formed a partnership with W. Doll & Associates. Both company names were merged to form Jaydo Construction Pty Ltd.
Jaydo expanded their operations into pipeline construction. The first major pipeline project was the installation of 14 kilometres of storm water drainage at the Alcoa site in Portland. This project was just the beginning of a new direction for Jaydo, and delivering quality pipeline projects has since become a company speciality.
By 1989, Jan handed the reins over to his two sons, Dirk (Managing Director) and Peter (Director), who continued to grow and develop the pipeline business. The late 1980s proved to be a unique time for Jaydo, it cemented the business as an industry leader when the recession hit hardest, the quality of work along with the contracts they had formed through water authorities and councils ensured Jaydo was sought after as a preferred constructor.
In 1995, with the economy gearing up again, Jaydo secured the largest drainage project in Melbourne for 50 years – the Parkers Road Main Drain – with an approximate value of $10 million.
Jaydo has been delivering quality infrastructure since it was founded in 1968. Co-founder John de Haan (Jan) migrated from the Netherlands to Australia in 1959. After nine years as an employee of other companies, Jan made the decision to start his own. This company, named “Jan Excavations”, rapidly established itself in the industry with early construction projects still visible today such as bluestone lining along the Yarra River, starting out with one dragline – a 22 Ruston Bucyrus or 22RB.
The company grew steadily over the next 15 years, the number of 22RBs grew until Jan owned and operated five magnificent machines. The 22RBs weren’t the only thing growing in his life; Jan became the proud father of two girls and four boys. Jan’s eldest sons, Dirk and Peter took a keen interest in the amazing pieces of machinery and it seemed to be in the blood when it came to operating plant and machinery.
In 1983, Jan Excavations formed a partnership with W. Doll & Associates. Both company names were merged to form Jaydo Construction Pty Ltd.
Jaydo expanded their operations into pipeline construction. The first major pipeline project was the installation of 14 kilometres of storm water drainage at the Alcoa site in Portland. This project was just the beginning of a new direction for Jaydo, and delivering quality pipeline projects has since become a company speciality.
By 1989, Jan handed the reins over to his two sons, Dirk (Managing Director) and Peter (Director), who continued to grow and develop the pipeline business. The late 1980s proved to be a unique time for Jaydo, it cemented the business as an industry leader when the recession hit hardest, the quality of work along with the contracts they had formed through water authorities and councils ensured Jaydo was sought after as a preferred constructor.
In 1995, with the economy gearing up again, Jaydo secured the largest drainage project in Melbourne for 50 years – the Parkers Road Main Drain – with an approximate value of $10 million.
1968

Jan de Haan establishes his own business “Jan Excavations” and rapidly establishes himself in the industry securing construction projects that are still visible today. He started out with one dragline – a 22 Ruston Bucyrus.
1983

Jan forms a partnership with W. Doll & Associates creating “Jaydo Construction Pty Ltd” and together they secure their first major pipeline project – the Alcoa site in Portland, Victoria.
1989

Brothers Dirk and Pete de Haan take over the reigns of their father’s business, with Dirk as Managing Director and Pete as Director. Jaydo Construction is cemented as an industry leader.
1995

Jaydo Construction secures their largest drainage project to date, the “Parkers Road Main Drain” in Melbourne, a 50 year project valued at over $10 million.
2008-2013

The “Pipelines Alliance” for client Melbourne Water was secured, a 50/50 partnership with Fulton Hogan and GHD. The project will see $150 million of pipeline works delivered over the next 5 years.
2015

October 2015 saw Jaydo move into a new start-of-the-art factory and yard in Carrum Downs to house and maintain our extensive fleet of vehicles, plant and equipment.
2016

Awarded South East Water’s Pipes and Structures Program panel, in a JV with WSP and Zinfra, which will see the delivery of major capital projects across the SEW catchment for the next 10 years.
2020

Commenced construction of the Lockerbie Main Sewer project for Yarra Valley Water, a $62m JV with Ventia, delivering over 9km’s of main sewer pipeline along the Melbourne-Sydney railway line.
2022

To meet current demands, Jaydo establishes the “Jaydo Electrical and Engineering Services” team and officially registers as an electrical contractor, providing an all-inclusive service to our current and future clients.
2023

Jaydo completed the $38m MID2030 Newry Irrigation Pipeline project for Southern Rural Water, that involved the construction of over 20km’s of mainline and spur pipeline to facilitate modernisation of the existing open-channel irrigation network.
Today

Jaydo continues to deliver outstanding results for our clients across a broad range of projects and strives to be the best in the industry by continually improving our systems and processes, and keeping up with the latest advancements in engineering and technology.
Our Values
Safety
Safety is our number one priority. We are committed to the health and safety of our employees, clients, stakeholders and the general public.
Community
Our people and our community are out most important asset.
Innovation
We aim to innovate in every way, through our people, our business and the works we deliver.
Workmanship
A dedicated team that will provide quality services and best outcomes for our clients and stakeholders.
Integrity
At Jaydo, we strive to uphold the highest ethical standards and promote trust and respect amongst our community.
Commitment
An ongoing commitment to our people, clients and stakeholders, the health and safety of all and to looking after our environment. We take pride in our commitment to continual service improvement.

Leadership
We bring an experienced leadership team of dedicated water industry professionals with a proven track record of delivering water infrastructure projects.

Communityship
Jaydo is more than just a business, we are a business community, working together with our subcontractors, suppliers, clients, partners, family and friends.

Capability
We are a multi-disciplinary all-inclusive contractor with a self-perform business model.

Plant & Equipment
We invest in the best and most current vehicles, plant and equipment to self-perform and self-manage all our projects across Jaydo.