Noise Survey Report

Introduction

The purpose of this report is to present the findings of a comprehensive noise survey conducted at the Matchopolis. This survey aims to assess the noise levels across various departments, determine compliance with occupational noise regulations, and recommend appropriate noise control measures.

Methodology

Survey Design

The noise survey was conducted over a one-week period, from March 1 to March 7, 2063. A systematic approach was used to collect data from various locations and to ensure that all possible sources of noise were covered.

Equipment Used

The following equipment was utilized for noise measurement:

• Sound Level Meter: Model SL-420

• Calibrator: Model CAL-1 for instrument accuracy verification

• Personal Noise Dosimeters for employee exposure assessment

Data Collection

Noise measurements were taken during peak operating hours to capture worst-case scenarios. Readings were recorded from several key areas, including production floors, assembly lines, and equipment maintenance areas. Personal noise exposure levels of select employees were also monitored.

Findings

Noise Levels by Department

The table below summarizes the average noise levels recorded in each department compared against the permissible exposure limit (PEL) of 85 dBA.

Department	Average Noise Level (dBA)	Compliance Status
Production	90	Non-compliant
Assembly	82	Compliant
Maintenance	88	Non-compliant

Employee Noise Exposure

Several employees in the production and maintenance departments were found to have noise exposure levels exceeding the safe threshold of 85 dBA. Detailed exposure data are as follows:

• Employee A (Production): 89 dBA

• Employee B (Maintenance): 87 dBA

• Employee C (Assembly): 78 dBA

Peak Noise Sources

The survey identified several significant sources of noise contributing to elevated levels:

1. Heavy machinery operations in the production area

2. Power tools used in maintenance activities

3. Material handling and transport equipment

Recommendations

Engineering Controls

Implementing the following engineering controls is recommended to reduce noise levels:

• Enclosing or isolating loud machinery

• Regular maintenance of equipment to minimize noise output

• Installation of noise-dampening materials in noisy areas

Administrative Controls

The following administrative controls should be enforced:

• Schedule regular breaks for employees working in noisy areas

• Rotate employees to minimize individual noise exposure

Personal Protective Equipment (PPE)

Provide appropriate personal protective equipment such as earmuffs and earplugs to all employees in non-compliant areas. Regular training on proper usage is also essential.

Conclusion

The noise survey conducted at the Matchopolis highlights the areas where noise levels exceed permissible limits. Immediate attention to noise control measures, including engineering and administrative interventions, is crucial to ensuring employee safety and compliance with noise regulations.

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