Professional long-term noise monitoring systems for construction sites operating under noise conditions in planning consents, environmental permit compliance for industrial facilities, infrastructure project environmental monitoring, and community noise management programs. Long-term monitoring provides a continuous, objective, and defensible record of noise levels over days, weeks, or months — essential when noise levels must be documented for regulatory reporting, used as evidence in planning inquiries, or monitored in real-time to enable proactive noise management.
Long-term noise monitoring differs from short-term measurement campaigns in several important ways: the monitoring system must operate reliably and autonomously over extended periods without operator attendance; data must be transmitted reliably for remote review and reporting; the system must be robust against weather, vandalism, and power interruptions; and alerts must be generated automatically when noise levels exceed agreed thresholds. Bedrock Elite's AM100 is purpose-built for these requirements.
Long-term monitoring generates large volumes of data that must be managed, quality-checked, and reported efficiently. The AM100's remote data access capability and automated reporting features streamline this process, with automated generation of period reports (daily, weekly, monthly) and exception reports when threshold exceedances occur. For campaign-style monitoring with the i10 or i9, Bedrock Studio software provides data transfer and report generation.
The location of a long-term noise monitoring station must be carefully selected to ensure the data collected is representative of the noise exposure being assessed. For construction site monitoring under planning conditions, monitoring positions are typically agreed with the local authority or specified in the planning consent — often at the nearest noise-sensitive facade. The monitor must be positioned to avoid shielding by structures or vegetation that could affect the measured noise levels, and away from sources of spurious noise that are not part of the assessment (mechanical plant, HVAC exhausts, etc.). Provision must be made for power supply (mains or solar), data communications (mobile network or landline), and physical security against vandalism and theft. Calibration checks must be performed at installation, at removal, and at regular intervals during the monitoring period — typically every two weeks for long deployments. All of these operational factors should be documented in the monitoring report as part of the quality assurance record for the data.
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