Drain works start again

October 05, 2017

Drone technology is becoming an integral tool in the design of irrigation drains.

New drone technology has been used to resume work on the Stanhope primary drain, 20 years after it stalled because of a lack of funds.

Goulburn-Murray Water (G-MW) drain project manager Jarrod O’Brien said they had invested in the new drone technology, which was quickly becoming an integral tool in the design of irrigation drains across the Goulburn Murray Irrigation District (GMID).

‘‘It doesn’t cost a lot of money once you’ve purchased the drones,’’ Mr O’Brien said.

‘‘You can create extremely accurate models, which you then put the designs through.’’

He said using the drones was helping to bring down the cost of each drain.

‘‘Previously we would have put two or three-man survey crews on the ground, but using the drone we’ve been able to work out earthwork quantities,’’ he said.

‘‘We know prior to starting the job where we need to remove material and replace it.

‘‘The drone work takes three to four hours and a little bit of office work, but it’s saved us thousands of dollars in labour.’’

The Goulburn Broken Catchment Management Authority’s Carl Walters said it was pleasing construction on the Stanhope drain had resumed after all these years.

‘‘It will allow flows to get through to where they would naturally go,’’ Mr Walters said.

‘‘They are currently blocked by channels, roads and farmers’ drains.

‘‘It’s about removing the obstructions.’’

He said the catchment management authority’s involvement in the project was anchored in its core business, which in this case, was protecting the environment from the impacts of irrigation.

‘‘These include salinity, water quality, erosion and negative outcomes for native vegetation,’’ he said.

‘‘It’s basically about using the water as efficiently as we can.’’

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