{"id":2474,"date":"2023-02-14T13:06:14","date_gmt":"2023-02-14T19:06:14","guid":{"rendered":"https:\/\/www.bbrown.com\/?post_type=case_study&p=2474"},"modified":"2023-03-17T09:58:38","modified_gmt":"2023-03-17T14:58:38","slug":"noise-engineering-controls","status":"publish","type":"case_study","link":"https:\/\/www.bbrown.com\/uk\/case-study\/noise-engineering-controls\/","title":{"rendered":"Using Noise Engineering Controls to Help Protect Workers\u2019 Hearing, Reduce Costs and Improve Productivity"},"content":{"rendered":"

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Case Study<\/p>\n

\n Using Noise Engineering Controls to Help Protect Workers\u2019 Hearing, Reduce Costs and Improve Productivity\n <\/h1>\n\t\n <\/div>\t\t\t\t\t\n\t\t\t\t\t\n\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>\n\n\t<\/div>\n\n\t\n[\/vc_column][\/vc_row][vc_row row_padding_bottom=”pb-2″ full_width=”stretch_row” equal_height=”yes” content_placement=”bottom”][vc_column width=”1\/4″][vc_single_image image=”791″ img_size=”full”][\/vc_column][vc_column width=”3\/4″]\n
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\n The Request\n <\/h2>\n\t\n <\/div>[vc_column_text]<\/p>\n

Perform noise analysis and help determine which employees should be in a hearing conservation program<\/h3>\n

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Company Profile<\/strong><\/h4>\n

Industry: Beverage & Manufacturing<\/strong>
\nEmployees: 2,000<\/strong>
\nLocation: Northeast U.S.<\/strong><\/p>\n

A major beverage manufacturer requested an employee noise exposure survey from Brown & Brown Risk Control Services. The customer wanted to determine the number of workers that should be included in an OSHA hearing protection program. A Brown & Brown certified industrial hygienist (CIH) expanded the project to focus on engineering controls to help reduce the overall noise levels, improve productivity and realize significant savings.[\/vc_column_text][\/vc_column][\/vc_row][vc_row row_padding_bottom=”pb-2″ full_width=”stretch_row” equal_height=”yes” content_placement=”bottom” css=”.vc_custom_1638896243466{background-color: #eaeaec !important;}”][vc_column width=”1\/4″][vc_single_image image=”794″ img_size=”full”][\/vc_column][vc_column width=”3\/4″]\n

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\n The Solution\n <\/h2>\n\t\n <\/div>[vc_column_text]<\/p>\n

Identified the loudest noise sources and re-engineered their enclosures to help reduce overall noise levels<\/h3>\n

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Process<\/h3>\n

The consultant worked closely with the corporate safety manager to conduct personal noise dosimetry (personal noise exposure samples) of a representative group of employees. The results indicated that several employees were exposed to noise levels above the OSHA limit of 85 dBA as an average of their 8-hour work shift. This would require the employer to enroll all employees from that department in a formal OSHA hearing conservation program.<\/p>\n

The consultant extended the planned risk control visit for two additional days to conduct an in-depth analysis of the various noise sources in the packaging area. The consultant determined that it was not possible to eliminate all of the noise in the department and decided to focus on the loudest processes. The consultant identified two machines responsible for generating the highest noise levels. Additional calculations determined that the proper application of basic noise control engineering techniques on those machines could reduce the overall noise levels in the department below an average of 85 dBA.<\/p>\n

Requirements and Claims<\/h3>\n

OSHA requires employers to establish hearing conservation programs for employees exposed to average noise levels of 85 dBA over an 8-hour work shift. Workers in a hearing conservation program must receive hearing tests within six months of hire and annually thereafter. The employer must also conduct annual training and provide hearing protection for those employees. The average cost to the employer for maintaining an employee in a hearing conservation program is approximately $500 per year.<\/p>\n

Even with these protections, up to 10% of the employees may still experience hearing loss and be eligible to file workers\u2019 compensation claims. Workers\u2019 compensation claims for hearing loss are occurring more often and cost more than they have in the past ten years. The average hearing loss claim is between $40k-$80k, depending on the individual severity rating and the state\u2019s workers\u2019 compensation guidelines. These claims are difficult and expensive to refute, often leading to litigation.[\/vc_column_text][\/vc_column][\/vc_row][vc_row row_padding_bottom=”pb-2″ equal_height=”yes” content_placement=”bottom”][vc_column width=”1\/4″][vc_single_image image=”792″ img_size=”full”][\/vc_column][vc_column width=”3\/4″]\n

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\n The Results\n <\/h2>\n\t\n <\/div>[vc_column_text]<\/p>\n

Reduced noise exposure and helped improve safety and productivity<\/h3>\n

[\/vc_column_text][\/vc_column][\/vc_row][vc_row row_padding_top=”pt-2″ equal_height=”yes” content_placement=”middle”][vc_column][vc_column_text]Brown & Brown\u2019s risk consultant collaborated with the customer\u2019s engineering and maintenance staff to use best-practice engineering controls to redesign an enclosure around the two loudest machines. The result was a 5 dBA noise reduction throughout the packaging department. The overall noise level in the department fell to a level within safe limits, eliminating the requirement for a hearing conservation program. Reducing the noise and the requirement for a hearing conservation program in the packaging department program saved the customer $50,000 annually.<\/p>\n

The overall cost of the re-engineered noise enclosures was approximately $3,000. The customer\u2019s engineering improvement can also share the design with the other facilities, implement as a new standard, and help protect workers\u2019 hearing, reduce compliance costs, enhance safety and improve productivity.<\/p>\n

Additional advantages of reducing the noise levels:<\/p>\n