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Mining Publication: Practical Application of a Partial Cab to Reduce the A-Weighted Sound Level at the Operator's Station on Surface Drill Rigs
Keywords: Cabs Drilling machinery Equipment design Noise Noise and vibration control 
 Sound level
Original creation date: December 2007
Authors: DS Yantek, P Jurovcik, DK Ingram
Peer Reviewed Journal Article - December 2007
Download PDF Document (1.16 MB)
NIOSHTIC2 Number: 20033107
Trans Soc Min Metall Explor 2007 Dec; 322:25-36
The National Institute for Occupational Safety and Health (NIOSH) identified hearing loss as the most common job-related disease in the United States in its 1996 National Occupational Research Agenda. Previous studies by NIOSH have shown that operators of surface drill rigs without cabs are commonly exposed to A-weighted sound levels exceeding 90 dB. During hammer-drilling, A-weighted sound levels exceeding 100 dB were recorded at the operator station. NIOSH collaborated with a local drilling company to design and install a partial cab between the operator and the drill steel in an effort to reduce the sound level at the operator station. Sound level measurements in the field show the partial cab reduces the A-weighted sound level by 5 to 9 dB at the operator’s left ear and 2 to 5 dB at the operator’s right ear while hammer-drilling. This paper briefly discusses the preliminary design of a cab and the testing of materials for construction of the prototype. An explanation of the ideas behind the prototype design and fabrication are covered. Finally, the field test method and results are discussed in detail.
Image of publication Practical Application of a Partial Cab to Reduce the A-Weighted Sound Level at the Operator's Station on Surface Drill RigsPeer Reviewed Journal Article - December 2007
Download PDF Document (1.16 MB)
NIOSHTIC2 Number: 20033107
Trans Soc Min Metall Explor 2007 Dec; 322:25-36
See Also
Analysis of a Mechanism Suspension to Reduce Noise from Horizontal Vibrating Screens
Cross-Sectional Survey of Noise Exposure in the Mining Industry
Determination of Sound Exposures (DOSES): Software Manual and Implementation Guide
Less Sound Underground: Reducing Roof Bolting Machine Drilling Noise
Mining Haul Truck Cab Noise: An Evaluation of Three Acoustical Environments
A Noise Control for A Roof Bolting Machine: Collapsible Drill Steel Enclosure
Noise Controls for Vibrating Screen Mechanisms
Results of Noise Measurements from Underground Testing of a Roof Bolting Machine Duty Cycle
Technology News 536 - NIOSH Develops New Software to Analyze and Reduce Noise Exposure
Water Well Safety Bits: Health And Safety Information For The Water Well Industry
Page last reviewed: September 21, 2012
Page last updated: September 21, 2012
Content source: National Institute for Occupational Safety and Health, Mining Program
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