CT-81034 TRN Webskin Left Interflow Pty Limited Jun 2021
CT-81034 TRN Webskin Right Interflow Pty Limited Jun 2021

Enabling innovation to thrive in the water sector

‘Customer centricity’ has become a strategic focus in the water sector, with key industry players like Interflow adopting a collaborative approach to provide community-focused innovations.

A new era of ‘co-creation’ is enhancing this collaborative approach, enabling asset owners and service providers to combine their knowledge to deliver community-focused infrastructure solutions that will last for generations.

Reshaping traditional customer relationships

The notion of co-creation is facilitating a major shift in the way industries transfer knowledge and communicate.

When companies co-create, they invite third parties such as consumers, suppliers and service providers to collaborate on industry initiatives or projects.

This concept is redefining contractor relationships within the water industry, paving the way for robust and dynamic discussions that provide new insights into community wants and needs.

Early Contractor Involvement (ECI) is a prime example of co-creation in action: it facilitates collaboration between service providers, contractors and customers at the earliest stage of a project.

As a result, the service provider can harness the asset owner’s intimate knowledge of the surrounding environment, existing infrastructure and community requirements to tailor their solution and drive innovation.

Cooperative involvement is enabling water authorities, government bodies and local councils to play an active role in reshaping their communities through collaboration with their industry partners, as well as key community stakeholders.

This enables delivery partners including leading water infrastructure company Interflow, to develop ‘customer-centric’ solutions to complex water network projects.

Keeping the community front of mind

Coliban Water’s region covers 49 towns across 16,500 km² of regional Victoria, including the Bendigo district.

Since its establishment in 1992, the organisation has maintained its focus on delivering appropriate water and wastewater services to communities within the growing region.

A 900 mm sewer trunk main that traverses the Bendigo suburbs of White Hills and Epsom was recently identified and prioritised for work after it was found to be in poor condition.

The trunk main was discovered to have significant erosion and partial blockages, meaning the pipe had limited capacity for the area it serviced.

The sewer trunk main was first built in the 1960s and the section that was renewed is almost 2 km long.

It travels under parks, footpaths, roads and private backyards, and is a key piece of sewer infrastructure for that local community.

It was important to find a long-term solution for the ageing sewer trunk main, while also ensuring any impacts on the community were minimised.

Two heads are better than one

Interflow and Coliban Water worked together to establish the most effective way to renew the sewer main.

From a planning perspective, the development of a suitable flow management plan was a crucial element of the project.

Interflow staff were able to gain insight about existing infrastructure and the local landscape to help with the planning and design process.

Interflow Project Manager Fergus Meyer said the active collaboration expedited the planning and design phase to deliver the community with a winning solution.

“Coliban Water’s flow data and network analysis were crucial to successfully modelling a viable solution that prioritised community wellbeing and cost reduction,” he said.

“Studying the network infrastructure, we identified a neighbouring pipeline that presented an unanticipated yet promising bypass alternative.”

Although the neighbouring pipeline was smaller in diameter and unable to accommodate all the flow from the ageing sewer trunk main, Interflow was able to channel a carefully calculated portion of flow through it allowing the sewer trunk main to be relined whilst operating at a reduced capacity.

Co-creation: a recipe for success

This solution would not have been realised without the collaboration and knowledge sharing between Coliban Water and Interflow.

Coliban Water Infrastructure Manager Corey Bourne said the sewer main’s lifespan had been extended by 50 years and a costly full bypass had been avoided.

The sewer relining works were carried out during the day, which had meant less disruption for customers and eliminated safety risks associated with night works.

“A combination of practical experience and hydraulic modelling expertise enabled this plan to be developed.”

Before the relining of the sewer main, approximately 300 t of sludge was removed from it.

“The capacity of the sewer trunk main has been significantly improved thanks to these works, and it has also reduced the chance of a sewer spill during a heavy rainfall event,” said Mr Bourne.

Fergus Meyer said co-creation is an important role within projects such as this one. 

“Coliban Water’s willingness to be involved in the process reflects their dedication to uphold the interests of the community and achieve a long-term solution,” he said.

“As more companies realise the potential for productivity and innovation that co-creation presents, innovations within the water sector will continue to bloom.”

For more information visit the Interflow website.

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