The Decibel Scale
Gives an approx of human perception of loudness. This is because the human ear has a logarithmic response to changes in sound level...more
Workplace Noise Risk Assessments
All employers have a responsibility to carry out risk assessments in the workplace to identify any risk to health from exposure to noise. This applied to all work carried out by any employee working in a noisy environment or workplace.
Is it too loud? If noise is intrusive or you have to shout for a person to hear 2 meters then you probably need a risk assessment. We can carry out the risk assessment and provide recommendation to demonstrate compliance with the control of noise at work regulations. The regulations state the following: Lower exposure action value of 80 Lepd (or weekly) LCpeak max 135 dB.
Upper exposure action value of 85 Lepd daily (or weekly) LCpeak max 137 dB.
Exposure limit value of 87 Lepd daily (or weekly) LCpeak max 140 dB.
However both the upper exposure action value and lower exposure action value do not take into account heating protection. However the limit value does take into account hearing protection. This basically means that if you are below the 87dB you need to take action to reduce the amount of exposure the employees are exposed to.
What is the difference between the upper and lower exposure values?
If you are below the lower exposure action value then there is no risk to the employees from noise exposure. However you may still want to provide hearing protection for very noisy periods.
Above the Lower Exposure Action Value
If you above the lower exposure action value then you have to provide training, information and monitoring. Hearing protection may not be required at this stage but it is mandatory to provide the protection for those who feel it is necessary.
Above the Upper Exposure Action Value
Hearing protection zones are mandatory. Other monitoring may also be required for employees involved in working in the protection zone, this will include health monitoring of employees to ensure the hearing is not getting worse and no damage is being done. Hearing loss above this value can also indicate that the procedures in place may not be adequate.
Employers also have to take into consideration the right protection needed for the task without over protecting the employee. If the employee is over protected they may not hear vital alarms, vehicles and also feel isolated and be prone to accidents.
Note: Our engineers are accredited sound testers under the SITMA scheme.
For further Sound Testing information, be sure to check out Sound-Testing-UK.co.uk.
Workplace Noise can also be known as:
Workplace Noise Risk Assessment, Noise At Work Assessment,
Copyright 2020 E2 Specialist Consultants Limited
Company No. 06728970