Flood gates designed by David Bagnall at Miriamvale Photo: Contributed
Flood gates designed by David Bagnall at Miriamvale Photo: Contributed Contributed

Queensland man designs flood system to stop drivers -video

DAVID Bagnall was tired of hearing about people driving through floodwaters in Central Queensland, getting their cars swept away or, even worse, not surviving.

The Miriam Vale man put his thinking cap on and designed a flood gate which would cut access instantly to a road once it became flooded.

His flood gate works on sensors that are set off once the water reaches a certain height, which triggers a gate to come across the road ensuring that no vehicles can drive through.

David is hoping the Rockhampton Regional Council will pick up his invention in a bid to save lives.

"It took me about six months. I had a prototype built and I put it in flood water to trial it. They work perfectly every time," David said.

"When it's activated, lights start up, the system unlocks, and the gates go across the road.

"It's something that would save lives. Drivers can't go around them. They can't open them."

And the Gladstone Regional Council has jumped on board.

"It cost $30,000 (for Gladstone Regional Council) to help build and get two floodgate designs on the road (for a trial)," David said.

The gates are located at Three Mile Creek Bridge near Miriam Vale and at Boondilla Creek floodway at Bororen.

"It flooded there a week ago, and they worked great," David said.

David Bagnall Photo Lisa Benoit / The Morning Bulletin
David Bagnall Photo Lisa Benoit / The Morning Bulletin Lisa Benoit

The 45-year-old has spoken with several councils, including Rockhampton, with little luck.

"It's a shame, because councils have put in other systems that have all failed," he said.

While he hasn't had any luck getting a trial of his flood gates in Rockhampton, yet, it might not be far off.

Rockhampton Regional Councillor Tony Williams said the gates seemed beneficial and wanted to see how they work out for Gladstone.

"We'd have to prioritise and budget for them, and we'd have to see a report of how beneficial they could be," Cr Williams said.

"I'm sure there's government funding we need to look at to get these safety interventions (in place). We have many instances of creeks coming up and there are a number where we are called out on a regularly basis to put signage up."

Cr Williams said they needed to look at being proactive with flooding, with an increase in high density rain events hitting the region.

David is also working on a design that will warn drivers of flash flooding.


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