The Roads and Maritime Services plans to build a noise wall at the southern end of the 10.5km Berry to Bomaderry project, near the Cambewarra Road roundabout.
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The wall aims to reduce the impact to properties which exceed the noise criteria.
Member for Kiama Gareth Ward said that early work has included the relocation of utility services such as telecommunications, water and electricity and is on track for completion in coming months.
“While the aim of the upgrade is to improve motorist safety, Roads and Maritime Services is focused on reducing the impact to nearby residents,” he said.
“This upgrade is no exception, with Roads and Maritime inviting select companies to submit a tender application to design and build a noise wall.
“The noise wall will be built under the noise abatement strategy to reduce road noise impacts to properties which qualify for mitigation measures based on the criteria.
“A noise and vibration study was carried out as part of the environmental assessment for the project which found some properties need noise mitigation treatments installed.
“Architectural noise treatments will also be installed at properties which meet the criteria, while the new highway will be sealed with a low noise surface.
“Noise monitoring will be carried out once the new road opens to traffic to determine if any additional noise mitigation measures are required.
“Major work on the 10.5 kilometre Berry to Bomaderry Princes Highway upgrade which will improve safety and travel times for is set to get under way mid this year.”
Mr Ward said he was working on a submission regarding noise impact of the existing Berry Bypass on residents west of the highway.
He hopes to have it done before the state budget is announced later this month.
Suitably-qualified companies are invited to submit a tender until May 22.