Buildings safe in Vic quake – experts

Updated: 05:43, Thursday June 21, 2012

Buildings safe in Vic quake - experts

Victoria’s buildings have survived the Gippsland earthquake relatively unscathed, construction experts say.

Tremors were felt as far as Bendigo in the state’s north and Swan Hill in the north-east but the State Emergency Service (SES) says the bulk of its 40 callouts came from Gippsland towns such as Moe and Trafalgar and metropolitan Melbourne.

Senior lecturer at RMIT’s civil and environmental engineering school, Saman De Silva, said a change to building regulations after a fatal 1989 quake in Newcastle meant modern Melbourne buildings would have survived Tuesday’s tremor unscathed.

But he said some older structures may have suffered superficial damage.

‘By Australian standards this is a reasonable event,’ he said.

‘Having said that it’s unlikely it had the capacity to do enough damage to threaten the occupancy of the buildings.

‘It is pretty much non-structural damage that we’re talking about.’

General manager of building inspection service Archicentre, David Hallett, said owners could expect to find cracks in older brick buildings.

Soil movement caused by the recent drought had already opened cracks in some pre-WWII buildings around Melbourne and Mr Hallett said the tremors could have exacerbated the weaknesses.

‘If they’re relatively new, well built, well-maintained buildings there’s probably not too much risk, but it’s the older buildings that perhaps already have some weaknesses that could be problematic.’

The Insurance Council of Australia said its members were mostly receiving calls for superficial damage which fell below the excess amount.

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