Occupational Hygiene Monitoring Survey Report
Noise Monitoring Survey Report
ABC Manufacturing · Cape Town Plant
02 Sept 2026
Project Number OH-2026-123 · Revision 0
Survey Information Details
| Report Number | OH-2026-123-R0 |
| Project Number | OH-2026-123 |
| Client | ABC Manufacturing |
| Site / Premises | Cape Town Plant |
| Physical Address | 14 Marconi Rd, Montague Gardens, Cape Town |
| Survey Date | 02 Sept 2026 |
| Stress Factor | Noise |
| Surveyor | Nomsa Dlamini |
| Technical Signatory | Riaan de Villiers |
| Applicable Legislation | Noise Induced Hearing Loss Regulations, 2003 · SANS 10083 |
| Occupational Exposure Limit | TWA-OEL 85 dB(A) · Action Level 82 dB(A) · Peak 140 dB(C) |
1.0 Executive Summary
ABC Manufacturing contracted The Safety Network (Africa) (Pty) Ltd to conduct a noise survey at Cape Town Plant, 14 Marconi Rd, Montague Gardens, Cape Town. The survey was conducted on 02 Sept 2026 by Nomsa Dlamini.
Two of the four personal noise exposures measured exceeded the TWA-OEL of 85 dB(A). Production Hall and Workshop remain noise zones requiring mandatory hearing protection.
2.0 Purpose Of The Survey
- Determine the noise exposure of employees during normal production activities
- Compare measured exposures with the OEL prescribed by legislation and incorporated standards
- Delineate noise zones and identify areas requiring hearing protection
- Recommend control measures to reduce exposure to below the prescribed OEL
3.0 Contents Of Report
- 1.0Executive Summary
- 2.0Table Of Contents
- 3.0List Of Tables, Figures And Diagrams
- 4.0List Of Terms And Abbreviations
- 5.0Introduction
- 6.0Monitoring Methods And Procedure Followed
- 7.0Results And Discussion
- 8.0Recommendations
- 9.0Conclusion
- 10.0Indemnity And Signatures
- 11.0References
- 12.0Annexures To The Report
4.0 Instruments Used
| Instrument | Serial Number | Calibration Due |
|---|---|---|
| Gilian 5000 pump | GIL-4402 | 04 Nov 2026 |
| Gilian 5000 pump | GIL-4407 | 22 Oct 2026 |
| SKC Airchek TOUCH | SKC-2210 | 27 Sept 2026 |
5.0 Results And Discussion
| Sample No. | Employee / Position | Area | Duration | LAeq,T dB(A) | TWA dB(A) | Peak dB(C) | OEL Exceeded |
|---|---|---|---|---|---|---|---|
| N-01 | Press Operator | Production Hall | 07:35 | 88.4 | 87.9 | 131.2 | Yes |
| N-02 | Assembler | Assembly Line 2 | 07:40 | 83.1 | 82.6 | 124.8 | No |
| N-03 | Forklift Driver | Despatch | 07:20 | 79.6 | 78.9 | 119.4 | No |
| N-04 | Maintenance Fitter | Workshop | 06:55 | 91.2 | 89.7 | 136.6 | Yes |
Two of the four personal noise exposures measured exceeded the TWA-OEL of 85 dB(A). Production Hall and Workshop remain noise zones requiring mandatory hearing protection.
6.0 Recommendations
- Maintain demarcation of the Production Hall and Workshop as noise zones
- Issue double hearing protection to the press operator and maintenance fitter
- Include all exposed employees in the medical surveillance programme
- Re-survey noise exposure within 24 months or on process change
7.0 Conclusion
Noise exposure is controlled through a hearing conservation programme. Engineering controls should be considered where exposures exceed the OEL.
8.0 Annexures To The Report
- Annexure A — Certificate Of Approval As A Department Of Employment And Labour Approved Inspection Authority
- Annexure B — SAIOH Certificates Of Surveyor And Technical Signatory
- Annexure C — Equipment Calibration Certificates
- Annexure D — Raw Measurement Data
- Annexure E — Photo Log
- Annexure F — Site And Floor Plans
- Annexure G — Noise Zone Demarcation Map
The Safety Network (Africa) (Pty) Ltd
T/A SafeNet Africa
Dept. of Employment and Labour: AIA OH 0242 CI062
Signature of Technical Signatory
Riaan de Villiers
Signature of Surveyor
Nomsa Dlamini