Coliban Main Channel Renewal

Latest news - Friday 10 May 2019

Construction work on Stage 2 of the Coliban Main Channel Renewal Project will commence in mid May 2019.

We are renewing around 660 metres of channel at six separate sites in the Sutton Grange area.

The contractor for the project is Ron Wilkins Constructions.

 

> Background

The Coliban Main Channel was constructed in the late 1870s. It is an open gravity channel between Malmsbury and Bendigo and is approximately 70 kilometres long.

The channel transfers water from the Malmsbury Reservoir to the Bendigo and Castlemaine Water Treatment Plants, which supply 14 towns in our region, and it also supplies irrigation water to our rural water customers.

The channel consists of concrete sections and earthen or rock sections. The concrete sections are around 60 to 80 years old.

 

Stage 1

Works on Stage 1 of the project commenced in May 2014 and were completed in August 2018.

The total cost for Stage 1 was $4.6 million over four years.

Six sections of the channel with a combined length of 2.7 kilometres were renewed.

 

> Environmental protection

We use a three-step approach to avoid, minimise and offset the impact to native vegetation. The sites are assessed by ecologists in partnership with the construction contractor and an arborist.

Actions to mitigate impact include the location of vehicle access, materials storage, machinery and vehicle parking.

Our contractor follows an approved Environmental Management Plan and is regularly audited.

The plan includes protection measures for native vegetation, wildlife and waterways as well as controls for erosion, waste, weeds, noise and dust.


> Heritage protection

The channel has a number of structures that have significant heritage value, such as granite abutments, chutes and tunnel openings which are listed on the Victorian Heritage Register.

The works for the renewal project are not on heritage listed structures, however, we chose to consult with Heritage Victoria to ensure compliance with the Act.

Heritage Victoria determined the proposed works will not impact upon the original fabric or the visual appearance, and there will be no negative impact.

> Project time-lapse video

 

> Project slide show

Coliban Main Channel Renewal

 

> Impact to customers

There will be no interruption to rural customers' water orders as the works take place after the rural season has closed and will be completed before the start of the next season.

The project has been designed to limit inconvenience to local landowners.

 

> Timeline and costs

Works on Stage 2 commenced in May 2019 and are expected to be completed in September 2020.

The total cost for Stage 2 is $2.4 million.

 

> Further information

Planned works page

Coliban Water Rural System

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