Jumbo drill operators are exposed to some of the highest noise levels in metal/nonmetal mining. In the worst cases, operators’ may be exposed to noise levels in excess of 105 dB(A).
Is mining noisy?
How loud is a drill?
The normal hand held drill produces between 90 and 94 dB(A) and hammer drills produce in excess of 100 dB(A).
How much noise does a hammer drill make?
The use of hammer drills was shown to generate noise in the next room at a level of 85 decibels, which is almost enough to cause hearing impairment,” says noise researcher Truls Gjestland, “In contrast, a diamond-tipped drill resulted in an intensity of only about 60 dB.”
How loud is a pneumatic drill?
At 117 decibels, a pneumatic drill can cause pain to unprotected ears. Today, millions of people are exposed to hazardous noise on and off the job. In the workplace, heavy equipment often produces noise above 85 decibels.
