Strategic Noise Management Tips for Mining Sites
Bulldozers, scrapers, trucks, excavators, draglines, conveyors, not to mention blasting; mines dig up more ways to assault our senses than most industries.
And while mines are governed by noise regulations, decibels can be a hard thing to manage when you're confronted with such a vast array of equipment and an endless stream of deadlines. So here are five ways you can implement noise management strategies for the sake of your workers and neighbours.
To ensure each blast falls within the required noise limits for your site, use predictive computer modelling to analyse the likely outcome. This modelling assesses location, weather and atmospheric conditions to give noise impact reports on any neighbours in the area. Avoid blasting during adverse weather conditions as this can enhance vibration impacts. And design the detonation sequence with delays so blast waves don’t arrive at a neighbouring property at the same time.
To minimise conveyor noise for neighbours, install barrier fencing along all offending sides. To reduce the noise emanating from the conveyor itself, install quieter rollers and replace cooling fans with heat exchangers. Regular conveyor belt washing can also reduce the build up of dirt and, consequently, reduce noise.
Modifications can be made to excavator buckets to reduce scraping noise. Rubber matting in trucks can greatly reduce noise while loading. Strict speed limits on surrounding roads and alternative reversing beepers can also help to keep the neighbours happy.
General noise reduction strategies
The terrain surrounding your mine – hills and valleys – can create a natural noise barrier. Try to factor this into any plant design and positioning. Also try to house as much crushing and processing plant inside buildings. And use an automated weather station to give you real time wind readings so you can adjust operations and noise levels accordingly.
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