Night noise to travel up to 20km

Chalice mine worker shuts gate at site of planned 2km-wide Julimar superpit.

Richard Wilkinson* (Retired sound engineer)

RECENT events have prompted me to readdress the anticipated noise disturbance and transport logistics of a proposed large open-cut mine in or near the Julimar Forest.

I wrote in The Herald last year that assuming a base noise level of 90 decibels – similar to that of a noisy motorcycle – the intrusive effect of a large open-cut mine in a quiet environment such as Julimar could be felt up to 20km away.

Even then, a light sleeper may have to close their bedroom windows year-round to get a good night’s rest.

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