Map #3 MSG

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School

Lambton College *

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Course

1163

Subject

Mechanical Engineering

Date

Apr 3, 2024

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docx

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MAP #3 Juice Fridge Dishwashers 69.9 70.9 64.6 67.3 40.9 60.0 45.7 59.1 56.6 48.5 53.1 56.1 Oven Line Builder 80.3 56.6 77.6 72.1 60.0 68.4 65.6 72.4 Exhaust Fan

MAP #3 Location Source Sound pressure level 1 ft 3 ft 6 ft 9 ft Kitchen Oven 56.5 48.5 45.7 40.9 Kitchen Exhaust Fan 72.4 65.6 60.0 56.6 Kitchen Diswhasers 70.9 67.3 59.1 53.1 Kitchen Line Builder 80.3 77.6 72.1 68.4 Kitchen Juice Fridge 69.9 64.6 60.0 56.0 The line builder recorded the highest sound pressure level at 80.3 dbA at 1 foot, 77.6 dbA at 3 feet, 72.1 dbA at 6 feet, and 68.4 dbA at 9 feet. The other sources of noise in the kitchen were all below 80 dbA. Although all sound pressure level measurements were below the threshold value of 85 dbA defined by Ontario Regulation 381/15, the reading of 80.3 dbA at 1 foot from the line builder would require preventive measures and an investigation in the future. The total sound pressure levels for the line builder and the exhaust fan were calculated separately. The total sound pressure level in the line builder was 80.3 dbA, while the whole sound pressure level in the exhaust fan was 72.4 dbA. The presence of another source of noise with the dishwashers has resulted in a minor increase in the line builder, as can be seen. The resulting total sound pressure levels reached 80.3 dbA, supporting the need for further investigation.

MAP #3 Recomendation Restaurant kitchens can be boisterous environments, with various equipment and activities contributing to high noise levels. However, excessive noise can annoy workers and pose a risk to their long-term hearing health. Here are some recommendations for minimizing noise hazards in the kitchen: Perform a noise assessment: Before implementing any noise reduction measures, it is vital first to assess the current noise levels in the kitchen. This can be done with a sound level meter or an occupational health and safety consultation. This will help determine which areas and activities produce the most noise and what measures need to be taken to mitigate it. Use noise-reducing equipment: Look for kitchen equipment that reduces noise levels, such as quieter dishwashers, mixers, and blenders. Regular maintenance and repair of equipment can also help prevent noisy equipment from becoming a hazard. Install sound-absorbing materials: Installing sound-absorbing materials in the kitchen, such as ceiling tiles or acoustic panels, can help reduce noise levels by absorbing sound waves. This can also help improve the overall acoustic environment in the kitchen, making it easier for workers to communicate with each other. Modify the kitchen layout: Kitchen layout can also affect noise levels. Consider arranging equipment and workstations to minimize worker exposure to noise, for example, by placing noisy equipment away from areas where workers spend the

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MAP #3 most time or by installing noise barriers between noisy areas and quieter workstations. This can help create a safer and more comfortable working environment for kitchen staff while protecting their long-term hearing health.