Table 4‑10       Typical Event and Action Plan for Construction Noise

Event

Action

ET

IEC

WKCDA

Contractor

Action Level

1. Notify WKCDA, IEC and Contractor;

2.  Carry out investigation;

3. Report the results of investigation to the IEC, WKCDA and Contractor;

4. Discuss with the IEC and Contractor on remedial measures required;

5. Increase monitoring frequency to check mitigation effectiveness.

1. Review the investigation results submitted by the ET;

2. Review the proposed remedial measures by the Contractor and advise the WKCDA accordingly;

3. Advise the WKCDA on the effectiveness of the proposed remedial measures.

1. Confirm receipt of notification of failure in writing;

2. Notify Contractor;

3. In consolidation with the IEC, agree with the Contractor on the remedial measures to be implemented;

4. Supervise the implementation of remedial measures.

1. Submit noise mitigation proposals to IEC and WKCDA;

2. Implement noise mitigation proposals.

Limit Level

1. Inform IEC, WKCDA, Contractor and EPD;

2. Repeat measurements to confirm findings;

3. Increase monitoring frequency;

4. Identify source and investigate the cause of exceedance;

5. Carry out analysis of Contractor’s working procedures;

6. Discuss with the IEC, Contractor and WKCDA on remedial measures required;

7. Assess effectiveness of Contractor’s remedial actions and keep IEC, EPD and WKCDA informed of the results;

8. If exceedance stops, cease additional monitoring.

1. Discuss amongst WKCDA, ET, and Contractor on the potential remedial actions;

2. Review Contractor’s remedial actions whenever necessary to assure their effectiveness and advise the WKCDA accordingly.

1. Confirm receipt of notification of failure in writing;

2. Notify Contractor;

3. In consolidation with the IEC, agree with the Contractor on the remedial measures to be implemented;

4. Supervise the implementation of remedial measures;

5. If exceedance continues, consider stopping the Contractor to continue working on that portion of work which causes the exceedance until the exceedance is abated.

1. Take immediate action to avoid further exceedance;

2. Submit proposals for remedial actions to IEC and WKCDA within 3 working days of notification;

3. Implement the agreed proposals;

4. Submit further proposal if problem still not under control;

5. Stop the relevant portion of works as instructed by the WKCDA until the exceedance is abated.