AIA for nihl measurement and ventilation controls

MEASUREMENT - What we do



Occupational Noise (NIHL) measurements to ascertain compliance to SANS 10083:2021, helping to prevent hearing loss from work related exposure;

Noise Impact Assessments to determine nuisance or disturbance noise as required by Provincial and Municipal Legislation, incorporating SANS 10103:2008



Ventilation systems are tested to determine compliance to the OHS Act, Environmental Regulation 5 (Ventilation Requirements);

Air changes, general airflow, including the control of airborne pollutants like Hazardous Chemicals including Gasses, Asbestos and or Lead though local extraction ventilation;

Assessment of Indoor Air Quality, including Hazardous Biological Agents that might cause ailments and disease



Through measuring the levels of lighting on various worksurfaces or working planes;

Results compared to the schedule for minimum maintained illumination as required by the OHS Act, Environmental Regulation 3 - Lighting (SANS 10114-1:2005 ed 3 Interior Lighting - Artificial Lighting)



Measuring of temperatures, wind speed, the effect of relative humidity, and the effect of radiant sources of heat on an employee;

Calculating the effect of clothing and work activity contributing to thermal stress, where relevant;

Comparing results with requirements set by the OHS Act, Environmental Regulation 2 - Heat and or Cold Thermal Requirements


“To Measure is to Know’ – unknown author. To determine the level of risk of physical stressors, measurement results are interpreted and compared to statutory limits.  Once the level of compliance is confirmed, a positive contribution can be made towards cost-effective control to protect employees’ health.

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