Sir Donald Bradman becoming a key part of Adelaide Oval's defence

Sir Donald Bradman becoming a key part of Adelaide Oval's defence
Sir Donald Bradman becoming a key part of Adelaide Oval's defence

He was feted for his aggressive stroke play, but now a cover–driving Sir Donald Bradman is forming a key part of Adelaide Oval's forward defence.

A statue of the cricketing great has been moved from the parklands to a more prominent position outside the stadium, forming part of a new outer perimeter to protect against vehicle attacks.

Stadium Management Authority chief executive Andrew Daniels said he was confident the bollards, encased in reinforced concrete, would protect Adelaide Oval crowds from the sorts of truck attacks seen in Europe.

"There is actually a technical rating for them which I won't go into, a security rating, but they are exceptionally strong," he said.

Australia's current National Terrorism Threat Level is "probable".

The first 14 of a proposed 120 bollards are now being installed around the oval to form the barrier, along with new planter boxes and terraced retaining walls.

The permanent security measures will replace temporary concrete barriers installed in December 2016, in the wake of terrorist attacks in Nice and Berlin which saw trucks being driven into large crowds of people.

The permanent barrier was supposed to be in place by the start of the 2017 AFL season, but the structure has been delayed a number of times.

Mr Daniels said that was in part due to the demand around the world for similar devices.

"I believe one of the major holdups was the demand for bollards internationally has been so high that you have to wait for them to be fabricated and then shipped out here," Mr Daniels said.

Photo South Australian Infrastructure Minister Stephan Knoll outside Adelaide Oval. June 1, 2018

ABC News: Nick Harmsen

Infrastructure Minister Stephan Knoll said the bollards should now be in place by the end of the AFL season.

"Weather permitting, some time in August this work will be finished, but as people can appreciate, it does rain in winter and rain does get in the way of pouring of concrete," he said.

Mr Daniels said some of the bollards would be retractable, including several across War Memorial Drive, which is closed to traffic on game days.

"Our staff will be operating those hydraulic bollards on game day," he said.

The stadium chief said he was confident the new bollards would not go the way of Adelaide Oval's infamous retractable lights.

"Yes, I am confident they will work and there are backup systems I can assure you."

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