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(PDF) Predicting the Levels of Noise from Quarry Operations Apr 14, 2015· Activities during the day at the quarry site were found to have the potential of altering noise levels in the surrounding settlements by 2 dB(A) to 10 dB(A), though the composite noise levels ,
Controlling Noise on Construction Sites Fortunately, the noise levels of common construction noise sources are well-known Below are the noise levels of common construction Equipment Sound Level at Operator Average Range Background* 86 Earth Moving: Front End Loader 88 85-91 Back Hoe 865 79-89 Bull Dozer 96 89-103 Roller 90 79-93 Scraper 96 84-102 Grader
Heavy Construction Equipment Noise Study Using Dosimetry , 420,000 US construction workers are exposed to potentially hazardous noise levels above 85 dB(A) (2) In the construction industry, heavy construction equipment is a major contributor to high noise levels at most job sit This research was performed to identify the overall A-weighted sound levels of heavy construction equipment and the .