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Noise Assessment Services

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Understanding Environmental & Occupational Noise Risks

Excessive environmental and workplace noise is a leading cause of hearing loss in Australian workplaces. Unmanaged noise impacts not only worker health and safety, but also communication, productivity, and regulatory compliance. An effective workplace noise assessment, also known as environmental or occupational noise assessment, is essential to protect your people and fulfil your legal obligations.

Why Is a Noise Assessment Required?

  • Under Australian Work Health and Safety (WHS) laws, a Person Conducting a Business or Undertaking (PCBU) must identify, assess, and control risks from hazardous noise.
  • Workplace noise must not exceed 85 dB(A) averaged over an 8-hour shift, or 140 dB(C) peak at the ear.
  • Environmental and workplace noise assessments are required when hazardous exposures are suspected, following changes in equipment or processes, or to maintain compliance.
  • If noise risks persist, a hierarchy of controls is mandated: engineering controls (such as enclosures and maintenance), administrative controls (e.g. scheduled breaks), and personal hearing protection as a last resort.
  • Health surveillance, including audiometric testing, is required for workers who routinely exceed action levels.

Our Environmental & Occupational Noise Assessment Services

Occupational Hygiene & OHS Solutions (OHOS) Pty Ltd supports clients across Melbourne and Australia with a comprehensive suite of services, including:

 

1. Preliminary Site Assessment

  • Identification of significant noise sources and at-risk areas.
  • Walk-through survey of site and activities.

2. Comprehensive Noise Monitoring & Exposure Analysis

  • Using calibrated sound level meters and personal noise dosimeters as per AS/NZS 1269.1.
  • Measurement of both environmental and occupational (personal) exposures.
  • Noise mapping and identification of Similar Exposure Groups (SEGs).

3. Data Interpretation & Reporting

  • Full analysis benchmarked to regulatory and industry standards.
  • Clear documentation of findings for all relevant workplace locations, tasks, and employees.

4. Tailored Noise Management & Control Advice

  • Prioritised recommendations for engineering, administrative, and PPE controls.
  • Development of workplace noise management plans, including ongoing monitoring.

5. Worker Health Surveillance Coordination

  • Assistance with the setup of baseline and ongoing audiometric testing for staff exposed to hazardous noise.

6. Environmental Noise Impact Studies

  • Assessment of site noise impact on the surrounding community, with respect to local EPA and planning requirements.

The OHOS Noise Insight Advantage: Your Custom Assessment Report

When you choose Occupational Hygiene & OHS Solutions (OHOS) Pty Ltd, you get more than just measurement results. Our OHOS Noise Insight Report delivers:

 

Our reports transform technical noise data into practical risk management and compliance solutions—giving you clarity, insight, and peace of mind.

The OHOS Noise Insight Advantage

Legal & Technical Framework

1. Exposure Standard: 85 dB(A) LAeq,8h and 140 dB(C) peak [Safe Work Australia].

2. Standards:

  • AS/NZS 1269 Series – Occupational noise management.
  • Safe Work Australia: Code of Practice: Managing Noise and Preventing Hearing Loss at Work.

3. Additional state-specific and EPA guidelines may apply (e.g., WorkSafe Victoria, EPA VIC).

Why Choose Occupational Hygiene & OHS Solutions (OHOS) Pty Ltd?

  • More than 20 years’ experience in occupational noise assessment, management, and compliance.
  • Certified, independent occupational hygienists servicing Melbourne and all regions of Australia.
  • Actionable, clear reporting, matched to regulatory requirements.
  • Flexible, client-focused service—onsite, on-shift, with minimal disruption and maximum value.
  • National reach, proven expertise, and integrity.

Comparison Table: Noise Control Strategies:

Control LayerExample MeasuresEffectivenessApplication Examples
Engineering ControlsAcoustic enclosures, quiet plantHighFactory upgrades, new equipment
Administrative ControlsStaff rotation, scheduled ‘quiet time’ModerateProduction, processing lines
Personal Hearing ProtectionEarplugs, earmuffsModerate/Last resortMaintenance, construction site

Frequently Asked Questions (FAQs)

  1. What does a workplace noise assessment involve?
    Detailed measurement of noise exposure at your site, followed by clear interpretation and practical, tailored recommendations.
  2. How frequently should noise be reassessed?
    Every five years, or sooner if significant changes occur in processes, equipment, or staff feedback.
  3. What are the legal workplace noise limits?
    85 dB(A) LAeq,8h or 140 dB(C) peak, as set by Safe Work Australia and state authorities.
  4. Is audiometric testing required for high-noise workplaces?
    Yes—regular testing is required at or above action levels for ongoing hearing health surveillance.
  5. Do you conduct workplace noise assessments in Melbourne?
    Absolutely. We deliver reliable, standards-aligned noise assessments and management support in Melbourne and throughout Australia.

 

Contact Occupational Hygiene & OHS Solutions (OHOS) Pty Ltd

For rigorous environmental and workplace noise assessment, occupational noise management expertise, or to book your next workplace noise assessment in Melbourne or beyond, contact Occupational Hygiene & OHS Solutions (OHOS) Pty Ltd today.