BOUNDARY NOISE MONITORING

Legal requirement for boundary noise monitoring

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As per Environmental Protection and Management (Boundary Noise Limits for Factory Premises) Regulations every occupier (factory license holder) of the workplace shall measure the noise level at their factory (workplace) boundary to ensure the noise level emitted from their workplace / premises shall not exceed certain limits as set in the law.

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Qsafe Pte. Ltd provide the most competent personnel for performing noise measurement. We are serving for various clients ranging from manufacturing industry, factory, workshops & petro-chemical industry.

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Frequency of boundary noise monitoring

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Initial (first) mandatory boundary noise measurement shall be done and to be submitted along with Temporary Occupation Permit (TOP) application for the factory premises. The sound level measurement shall be done as per the direction given by the Director-General of National Environmental Agency. The duration of measurement also shall be advised by the Director-General through their letter to the occupier (factory license holder) or the owner of the premises. The occupier (factory license holder) or the owner of the premises shall measure the noise levels at specific distance, and time as advised by the Authority and submit the noise level readings including all the relevant facts that may influence the noise level measured (such as background noise). The Director-General may also advise the occupier (factory license holder) to measure the noise level at some specific points for specific duration due to the complaints received from the Public or nearby premises. In some cases the measured level shall need to  be adjusted based on the background noises.

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Qsafe Pte. Ltd provide the competent noise monitoring officer who is well experienced in differentiation the noise level emitted by the premises and the background noises and incorporate the findings in their boundary noise mapping report.

Location / Point of boundary noise measurement.

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The sound level measurement points shall be points at or about ground level along the boundary of the factory (creating noise) premises which faces any building on the affected premises; or if there is no building on the affected premises, any part of the affected premises.

If the affected building is within the same factory premises as the premises being monitored, the measurement point to be used shall be any point 5 meter from a wall of the premises being monitored which faces the affected premises.

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The sound pressure level will be measured at 10-15 meter interval for each measurement point along the boundary of the client premises. The sampling will be conducted on the day Period (7:00 AM ~ 7: 00 PM) whilst a 24 hours continuous sampling regime will then be conducted at the potential highest Leq point where its corresponding Leq was recorded and referenced against NEA’s Permitted Boundary Noise Level.

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Qsafe Pte. Ltd have experienced and competent noise consultants and they shall guide the occupier (factory license holder) or owner of the premises start from selecting the locations of measurement, interpreting measured readings on consideration of the background noise, preparing the boundary noise monitoring report and submission of the boundary noise monitoring report to National Environmental Agency.

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Instrument to be used for boundary noise monitoring

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As per the Director-General the measurements of noise levels shall be carried out with a sound level meter which complies with the standards specified in the International Electrotechnical Commission Publication 651 (Type 1) and Publication 804 (Type 1).

Qsafe Pte. Ltd shall use the calibrated sound level meter that complies with all the legal requirement as advised by the Authority.

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Legal limits for boundary noise level at boundary

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Legally permissible noise level may vary based on

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• The adjacent premises / affected premises

• Noise sensitive premises

• Residential premises

• Commercial premises

• According to the background noise level

• Time of measurement (Different permissible noise levels set for different timings)

 

Qsafe Pte. Ltd provides you the most competent noise monitoring officer who is well experienced in identifying the factors explained above and interpreting the readings while preparing the boundary noise measurement reports.

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Submission of boundary noise monitoring report to NEA

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As Qsafe Pte. Ltd is an registered noise monitoring company, we shall submit the noise monitoring report on behalf of our clients.