Noise and vibration are the ‘audible’ environmental impacts — and thus the most common cause of complaints from residents around FDI factories: compressors running at night, container trucks coming and going, rooftop ventilation. Unlike wastewater, which needs analysis to detect, excess noise is recorded by a meter in one short inspection visit, so a factory’s best defence is measuring itself before being measured.
Noise and vibration standards and the complaint mechanism
- The noise regulation — QCVN 26:2010/BTNMT: noise limits in ordinary areas are 70 dBA (06:00-21:00) and 55 dBA (21:00-06:00); special areas (near hospitals, schools, religious sites) are stricter at 55 dBA daytime and 45 dBA at night — factories beside residential zones are usually caught in the night window.
- The vibration regulation — QCVN 27:2010/BTNMT sets maximum vibration levels by area type and time; stamping presses, air compressors and pump stations are typical vibration sources needing foundation isolation.
- Sanctions and remediation — Decree 45/2022/ND-CP fines noise and vibration exceeding the regulations by excess level, with orders to remediate the pollution and possible suspension of the noise source for repeat or large exceedances.
- Residents’ complaint channels — residents complain via the commune People’s Committee, local environmental authorities and environmental hotlines; a grounded complaint triggers a surprise measurement visit, and the on-the-spot result is the direct basis for handling.
Handling noise complaints toward long-term risk reduction
- Self-measure noise and vibration at the factory boundary in both day and night windows (especially 21:00-06:00) through an accredited monitoring unit, benchmarked against QCVN 26 and 27 before the authority measures.
- Treat noise sources in engineering order: acoustic enclosures for compressors and fans, sound barriers toward the residential side, anti-vibration mounts for presses, and adjusted night-time transport and loading schedules.
- Meet residents with data: invite resident representatives and the commune committee to the post-remediation re-measurement and publish results — transparency ends serial complaints best.
Noise is the one environmental issue ‘victims’ can verify themselves by ear and phone every night. FDI factories that self-measure to standard, genuinely fix noise sources and talk to residents in data keep durable community relations; those that deny until the measurement team arrives usually pay both the fine and the trust — which no fine can buy back.
Frequently asked questions
How loud is a violation?
Above QCVN 26:2010/BTNMT: ordinary areas max 70 dBA daytime (06:00-21:00) and 55 dBA at night (21:00-06:00); special areas near schools and hospitals are stricter (55/45 dBA).
Neighbours complain — what should we do?
Proactively self-measure at the boundary day and night, fix noise sources (insulation, barriers, anti-vibration) and re-measure with resident and commune representatives to publish the remediation result.
What is the fine?
Under Decree 45/2022/ND-CP, fines scale with the exceedance level and violator type, plus remediation orders; repeat or large exceedances can suspend the noise source.
This article has been quality-reviewed by the FLAW AI Legal Council
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