Construction noise and vibration


Cladtek’s experienced team of engineers can offer a wide range of experience assessing, offering guidance on mitigation and monitoring the impact of construction noise and vibration.

BS5228 provides guidance on how to protect people from noise and vibration, who live or work in close proximity to any construction sites. Noise level predictions are calculated to assess the noise impact level of the construction work, and mitigation methods are detailed to reduce the noise level of the construction operations. Alternate construction methodologies may be recommended to further reduce the noise impact of the activities as part of the S61 (Section 61).

BS5228 part 2 also provides guidance on the potential impact of vibration levels different construction methodologies produce, in either PPV (Peak Particle Velocity), or VDV (Vibration Dose Value). These are used to assess whether any buildings or structures surrounding the construction site are at risk of cosmetic or structural damage. Attended and/or unattended vibration monitoring is usually part of a S61 application, which focuses on setting appropriate vibration trigger limits for the age, condition, and status (grade listed buildings) to protect the structures against damage.

  • Proposed construction methodologies and machine plant lists are detailed, and noise predictions calculated to assess the impact of the construction site on the surrounding persons in accordance with BS5228
  • If the noise or vibration predictions exceed the S61 requirements, then changes such as:
    1. The percentage of time a particular machine or tool, and the specific hours particular working practices can be used;
    2. The quantity of plant that can be used at the same time;
    3. Alternative options of plant or construction methodologies used to complete the construction; and
    4. Mitigation measure recommendations to reduce the noise level of individual plant or operations, to decrease the overall construction site noise level (Enclosures, barriers, attenuators)
    5. Set noise level trigger limits using the predictions at specified sensitive receptors (residential/offices etc.)
  • Before construction is under way, carry out attended and unattended baseline noise and vibration monitoring, to assess the pre-existing level
  • Once construction is underway, carry out attended and unattended noise and vibration monitoring, to correlate predictions to real world noise levels, and check vibration levels are not at risk of causing damage. Liaise with construction site operators and notify of any trigger level exceedances.
  • Assist with any programme changes and submit valid S61 dispensation or variation documents as the construction project progresses.

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