Workplace (Factory) Noise Monitoring

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About the service:

Companies / factories / manufacturing plants / pharmaceutical companies / shipyards / workshops involved in noisy works whereby the noise level exceeds the permissible exposure noise level (85 dB(A) for 8 hours work a day over 40 hours a week) as per Singapore legal requirement (Workplace Safety and Health (Noise) Regulations 2011) shall perform workplace noise mapping and personal dosimetry to their workforce on regular basis.

Asia Instrumentation provides this service which includes

  •   Noise Mapping within the factory premises
  •   Personal dosimetry measurement to selected workforce based on the MOM guidelines
  •   Preparation of Noise mapping report and personal dosimetryin line with MOM requirement
  •   Submission of such prepared noise mapping and personal dosimetry report to MOM (Online) on behalf of client

Asia Instrumentation Monitoring PteLtd's competent Noise Monitoring officer shall prepare noise Hazard Identification Checkliston working together with the client representation, prepare factory / workplace noise mapping report, personal dosimetry report, prepare machine noise levels, recommend suitable actions to be taken for the Implementation of Hearing Conservation Policy for the client factory / workplace premises

Did my workplace need to do the noise monitoring?

This question comes in the mind of many workplace occupiers. The ANSWER for your mind-blowing question is here

If your answer is YES for ATLEAST ONE of the following questions, then you need to conduct noise monitoring in your workplace premises

  •   Is it difficult for the employees to carry out normal conversation without raising their voices at the current noise level?
  •   Is there any feedback from the employees regarding the difficulty of hearing warning shouts or alarms?
  •   Do any of the employees involved in the work process experience a reduction in hearing over the course of their work? (The reduction       hearing can also occur after work)
  •   Do any of the employees experience any of the following conditions?
    •   Ringing or buzzing in the ears
    •   Unequal hearing in one ear compared to the other ear
    •   Muffled hearing
  •   Has the company made compensation claims to any employees for NID?
  •   Does any machine or equipment in the work area contain manufacturers noise label that indicates that noise levels generated by the       machine or equipment can exceed 85 dB(A)?
  •   Do the records of the audiometric examinations show that any past or present employees have suffered NID?
  •   Does your workplace belong to a noisy industry, for example, construction, woodworking, metal working, canning, bottling, ship building or       repairing?
  •   Are there any noisy processes, for example, hammering, punching, pressing, stamping, grinding, cutting, or usage of pneumatic tools being      carried out at the work area?

Legal requirement

According to Workplace Safety and Health (Noise) Regulations 2011 , any workplace involved in noisy work activities (provided their workforce is more than 10 personnel and the noise level emitted by the workplace due to their various work activities more than 85dB(A)) shall conduct Noise Monitoring within their premises and submit an online Noise Monitoring Report to Ministry of Manpower.

A workplace shall conduct Noise Monitoring within their premises if any one of its stakeholders will be exposed to when not wearing any hearing protectors exceeds:

  •   PEL for noise specified in the Schedule of the Workplace Safety and Health (Noise) Regulations;
  •   An equivalent sound pressure level of 85 dB(A) over an 8-hour work day, in any case where the noise is at a fluctuating sound pressure       level; or
  •   Peak sound pressure level exceeding 140 dB(C)

Note: The frequency of monitoring shall be

  •   Once in three years
  •   When there is any change in the workplace which may lead the workforce to exposure to excessive noise level
  •   Whenever any modifications are made to the machinery or processes that may increase the noise levels to which employees are exposed
  •   When the Commissioner (Ministry of Manpower) instructed to do so

Asia Instrumentation Monitoring PteLtd competent noise monitoring officers assist the client in identifying the noisy locations within the workplaces and decide number of workforce to be fixed with personal dosimetry.

According to Workplace Safety & Health (Risk Management) Regulations this regulation it is the duty of the employer of every workplace to conduct a riskassessment in relation to the safety and health risks posed to any person who may be affectedby his undertaking in the workplace. Quantitative risk assessments need to be performed noise exposure.


Who is competent to do such monitoring?

The personnel / contractor engaged by a workplace occupier shall be an acoustical consultant ora competent noise monitoring officer to conduct noise monitoring. For recommending the implementation of hearing conservation program the competent personnel is Noise Control Officer.

Note:The competency recognized by Ministry of Manpower for such monitoring shall be a certified Noise Monitoring Officer / Noise Control Officer and registered with Ministry of Manpower for providing such services.

Asia Instrumentation Monitoring Pte Ltd shall provide such services to our clients and guide throughout the process start from noise monitoring within the client premises until the submission of online noise monitoring report to Ministry of Manpower.


What are the objectives of Noise Monitoring?

The major objectives of Noise Monitoring are as below (but not limited to)

  •   Quantify the noise hazard
  •   Identify employees affected by the noise hazard for inclusion in the Hearing Conservation Program (HCP)
  •   Classify employees noise exposures for prioritizing noise control efforts and establishing hearing protection practices
  •   Evaluate specific noise sources for noise control purposes
  •   Evaluate the effectiveness of the measures taken to minimize noise exposure
  •   Delineate hearing protection areas

Compliance requirement for the instruments to be used for noise monitoring

Sound level meters shall comply with IEC 61672-1:2002 Electroacoustics - Sound level meter - Part 1 Specifications, Class 1 or Class 2. (Preferably Class 1 sound level meter)

Dosimeters shall comply with IEC 61252 Electroacoustic. Specifications for personal sound exposure meters (Preferably Class 1 dosimeters)

Calibrators shall comply with IEC 60942:2003 Electroacoustics - Sound calibrators, Class 1.

All the instruments used by Asia Instrumentation Pte Ltd shall comply with all the requirements as in line with Ministry of Manpower guidelines


Preparation of Noise Monitoring Report

Using the acceptable noise monitoring instruments the noise monitoring officer shall conduct noise monitoring within the workplace premises and prepare the noise monitoring reporting as per the Workplace Safety and Health Guidelines Hearing Conservation Programme and submit to the occupier of the workplace within 14 days from the date of monitoring

Asia instrumentation Monitoring Pte Ltd shall submit the noise monitoring report to our clients within three days from the date of monitoring. On receiving the approval form the client Asia instrumentation monitoingPteLtd's competent noise monitoring / control officer shall submit the report to Ministry of Manpower through online submission


Dissemination of Noise Monitoring Report

On receiving the Noise Monitoring Report the Occupier of the workplace shall communicate the contents of the Noise Monitoring Report to their stakeholders within fourteen days from the date of submission of the report by the Noise Monitoring Officer / noise control officer.

Asia instrumentation Monitoring Pte Ltd shall submit the noise monitoring report to our clients within three days from the date of monitoring.


Submission of Noise Monitoring Report to Ministry of Manpower

On receiving the Noise Monitoring Report the occupier of the workplace shall submit the Noise Monitoring Report to Ministry of Manpower through online submission within 30 days from the date of receival of the report from the Noise Monitoring Officer. This submission can either be performed by the E-User authorized by Ministry of Manpower for the occupier of the workplace or Asia Instrumentation MonitroingPte Ltd shall submit the report on behalf of the Occupier.


Record keeping

As per Workplace Safety and Health Guidelines Hearing Conservation Programme, Occupier of any workplace in which the noise monitoring is performed shall keep the Noise Monitoring Report for atleast 10 years.

Asia Instrumentation Monitoring Pte Ltd shall keep the noise monitoring / mapping reports / records in our server for at least ten years and our client can request for PDF version of their noise monitoring / mapping reports at any point of time during this ten years period from the date of monitoring.

Our Service

Asia Instrumentation Monitoring PteLtd's competent personnel (Noise Monitoring Officer) shall assist the occupier of the workplace in all aspects start from performing the noise monitoring in their premises until submission of the online report to Ministry to Manpower.