Valla Beach – Pacific Highway Low Noise Diamond Grinding Trial

Presentation by Yvonne Bowles on Valla LNDG trial from Sydney Forum 29 October 2018

Low noise diamond grinding – the basics
Roads & Maritime Services 2
A thin layer of the concrete surface is removed through the grinding process,
achieving a smoother texture, and longitudinal grooves are installed (www.igga.net)

Why trial low noise diamond grinding?
Nambucca to Urunga upgrade
• Opened to traffic July 2016 and to operational speed in November 2016
• More than 40 separate noise complaints in first month of opening across all alignment
• Post Construction Operational Noise Report released to public in July 2017 Targeted community sessions

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