Since 2008 expert witnesses bound by the Rules of District Court (Cap. 336H)

Noise Monitoring Services | 噪音監控服務

As a leading independent third-party surveyor in Hong Kong and the Greater Bay Area, Silver Surveyors provides comprehensive solutions for environmental noise disputes through scientific monitoring, authoritative reporting, and legal support. Our services are widely recommended by law firms, government departments, and media, leveraging court-recognized expertise to protect citizens' rights and environmental tranquility through objective data.

Service Scope

1.Environmental Noise Monitoring

Transportation Noise: Impact assessment of road vehicles, railways, and aircraft landing noise

Industrial Noise: Source identification for construction sites, factory equipment, and mechanical systems

Community Noise: Evidence collection for commercial activities (restaurants, bars), neighborhood renovations, and public facility operations

Special Scenarios: Compliance monitoring for nighttime construction, noise evidence in sensitive areas (schools, hospitals)

2.Expert Reports & Legal Support

Court-Accepted Reports: Expert reports with legal validity based on the Noise Control Ordinanceand UK BS 4142 standards

Loss Assessment: Economic compensation calculations for property devaluation, health impacts, and business losses

Legal Collaboration: Integrated support from evidence collection to litigation through partnered legal teams

✅ Technical Advantages

Monitoring Equipment

UK Casella Cel-63x series precision integrating sound level meters, complying with IEC 61672 standards (±0.5dB accuracy)

Data Analysis

24-hour continuous monitoring generating L₁₀, L₉₀, Lᴇǫ metrics, compared against EPD limits

Visualization

Time-frequency spectrograms and noise mapping to intuitively display sources and propagation paths

Standardized Process

We adhere to rigorous service processes to ensure professionalism and reliability in every aspect:

1.Initial Assessment:Conduct on-site investigation and develop a monitoring plan based on the characteristics of the sound source and the environmental background (such as sampling in day and night segments)

2.Scientific Point Deployment:​Synchronized monitoring at affected areas (e.g., 1m from residential windows) and reference points

3.Data Validation:​ Exclusion of temporary interference (e.g., sudden honking) to ensure data representativeness

4.Report Generation:​ Inclusion of raw data, spectral analysis, and compliance conclusions for court evidence

Success Cases

Kowloon Station Luxury Residence Low-Frequency Noise Litigation​ (2023)

Spectral analysis identified design defects by the developer, securing HKD 3.8 million in compensation for homeowners

Evidence collection for construction noise exceeding standards at night in Yuen Long Industrial Zone (2024)

72-hour continuous monitoring report accepted by EPD, resulting in work suspension and penalties

Silver Surveyors’ Insight

The core of noise disputes lies in data objectivity and judicial admissibility. Our compliant monitoring and legal expertise ensure reports both uncover facts and serve as powerful tools for rights protection.

📞 Take Action Now

If you are experiencing noise issues or require pre-compliance assessment, contact our expert team:

24-hour dedicated line:6518 3092

Inquiry hotline: 6608 4330

wtsapp + 852 54233828

Email:info@silversurveyor.org