Appendix G – Event Action Plan

 

Event

Action

 

ET

Contractor

ER

IEC

Action Level

1.    Identify source.

2.    Notify IEC, ER and Contractor.

3.    Conduct additional noise monitoring to investigate the causes.

4.    Report the investigation results to the IEC, ER and Contractor.

5.    Discuss with Contractor for their formulation of remedial measures if the exceedance is related to construction works.

6.    Conduct additional monitoring to check mitigation effectiveness.

1.    Take immediate action to avoid further exceedance.

2.    Submit noise mitigation proposals to ET, ER and IEC.

3.    Implement noise mitigation proposals.

1.    Confirm receipt of notification of failure in writing.

2.    Notify Contractor.

3.    Require Contractor to propose remedial measures for the analysed noise problem.

4.    Ensure remedial measures are properly implemented.

1.    Review the analysed results submitted by the ET.

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

3.    Supervise and confirm in writing the implementation of remedial measures

Limit Level

1.    Identify source.

2.    Notify EPD, IEC, ER and Contractor.

3.    Conduct additional noise monitoring and analyse Contractor’s working procedures to determine possible cause of exceedance.

4.    Provide interim report to EPD, IEC and ER on the causes and proposed actions to be taken for the exceedances if exceedance is related to construction works

5.    Assess effectiveness by additional monitoring and report to EPD, IEC, ER and Contractor the results.

6.    If exceedance stops, cease additional monitoring.

1.    Take immediate action to avoid further exceedance.

2.    Submit proposals for remedial actions to ET, ER and IEC within 3 working days of notification.

3.    Implement the agreed proposals.

4.    Resubmit proposals if problem still not under control.

5.    Stop the relevant portion of works as determined by the ER until the exceedance is abated.

1.    Confirm receipt of notification of failure in writing.

2.    Notify Contractor.

3.    Require Contractor to propose remedial measures for the analysed noise problem.

4.    Ensure remedial measures are properly implemented.

5.    If exceedance continues, consider what portion of the work is responsible and instruct the Contractor to stop that portion of work until the exceedance is abated.

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

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

3.    Supervise and confirm in writing the implementation of remedial measures.

 

Event

Action

Action Level

ET

Contractor

ER

IEC

Exceedance for one sample

1.    Identify source

2.    Notify IEC, ER and Contractor

3.    Conduct additional monitoring to investigate the causes.

4.    Report the investigation results and if exceedance is due to contractor’s construction works to the IEC, ER and Contractor.

5.    Increase monitoring frequency to once per 2 days for 24-hour TSP and daily for 1-hour TSP until exceedance stops if exceedances are considered related to contractor’s construction works and report the results to IEC, ER and Contractor.

1.    Take immediate action to avoid further exceedance and rectify any unacceptable practice.

2.    Submit air mitigation proposal to IEC and ER for agreement if ET indicated that exceedance is related to the construction works

3.    Implement agreed proposal within a time scale agreed with ER and IEC.

1.    Confirm receipt of notification of failure in writing.

2.    Notify Contractor.

3.    Require Contractor to submit air mitigation proposal.

4.    Ensure remedial measures are properly implemented.

1.    Review monitoring data and investigation report submitted by ET.

2.    Review Contractor’s air mitigation proposal and advise the ER accordingly.

3.    Supervise and confirm in writing the implementation of remedial measures.

Exceedance for two or more consecutive samples

1.    Identify source

2.    Notify EPD, IEC, ER and Contractor

3.    Conduct additional monitoring to investigate the causes.

4.    Report the investigation results and if exceedances are due to contractor’s construction works to EPD, IEC, ER and Contractor within 3 working days after additional monitoring.

5.    Increase monitoring frequency to daily for 24-hour TSP and 1-hour TSP if exceedances are considered related to contractor’s construction works until exceedance stops, and report the results to EPD, IEC, ER and Contractor.

6.    If exceedances continue after 1-week monitoring events, request ER to arrange meeting with ER, IEC and contractor to discuss remedial actions.

1.    Take immediate action to avoid further exceedance and rectify any unacceptable practice

2.    In consultation with the IEC, submit air mitigation proposal to IEC and ER for agreement within 3 working days of notification if ET indicated that exceedances are related to construction works

3.    Implement agreed proposal within a time scale agreed with ER and IEC.

4.    Amend working methods if appropriate.

1.    Confirm receipt of notification of failure in writing.

2.    Notify Contractor.

3.    Require Contractor to submit air mitigation proposal.

4.    Ensure remedial measures are properly implemented.

1.    Review monitoring data and investigation report submitted by ET.

2.    Discuss amongst ER, ET and Contractor in order to formulate air mitigation proposal.

3.    Review Contractor’s air mitigation proposal and advise the ER accordingly.

4.    Supervise and confirm in writing the implementation of remedial measures.

 

Event

Action

Limit Level

ET

Contractor

ER

IEC

Exceedance for one sample

1.    Identify source

2.    Notify EPD, IEC, ER and Contractor

3.    Conduct additional monitoring to investigate the causes.

4.    Report the investigation results and if exceedances are due to contractor’s construction works to EPD, IEC, ER and Contractor within 3 working days after additional monitoring.

5.    Increase monitoring frequency to daily if exceedances are considered related to contractor’s construction works until exceedance stops, and report the results to EPD, IEC, ER and Contractor.

1.    Take immediate action to avoid further exceedance and rectify any unacceptable practice

2.    In consultation with the IEC, submit air mitigation proposal to IEC and ER for agreement within 3 working days of notification if ET indicated that exceedances are related to construction works

3.    Implement agreed proposal within a time scale agreed with ER and IEC.

4.    Amend working methods if appropriate.

1.    Confirm receipt of notification of failure in writing.

2.    Notify Contractor.

3.    Require Contractor to submit air mitigation proposal.

4.    Ensure remedial measures are properly implemented.

1.    Review monitoring data and investigation report submitted by ET.

2.    Discuss amongst ER, ET and Contractor in order to formulate air mitigation proposal.

3.    Review Contractor’s air mitigation proposal and advise the ER accordingly.

4.    Supervise and confirm in writing the implementation of remedial measures.

Exceedance for two or more consecutive samples

1.    Identify source

2.    Notify EPD, IEC, ER and Contractor

3.    Conduct additional monitoring to investigate the causes.

4.    Report the investigation results and if exceedances are due to contractor’s construction works to EPD, IEC, ER and Contractor within 3 working days after additional monitoring.

5.    Increase monitoring frequency to daily if exceedances are considered related to contractor’s construction works until exceedance stops, and report the results to EPD, IEC, ER and Contractor.

6.    If exceedances continue after 2 consecutive monitoring events, request ER to arrange meeting with IEC and contractor to discuss remedial actions.

1.    Take immediate action to avoid further exceedance and rectify any unacceptable practice

2.    In consultation with the IEC, submit air mitigation proposal to IEC and ER for agreement within 3 working days of notification if ET indicated that exceedances are related to construction works

3.    Implement agreed proposal within a time scale agreed with ER and IEC.

4.    Amend working methods and proposal if appropriate.

5.    Stop relevant portion(s) of works as required by ER, ET and IEC

1.    Confirm receipt of notification of failure in writing.

2.    Notify Contractor.

3.    Require Contractor to submit air mitigation proposal.

4.    Ensure remedial measures are properly implemented.

5.    If exceedances continue arrange meeting with Contractor, IEC and ET and to consider what portion(s) of works should be further mitigated or have to stop.

1.    Review monitoring data and investigation report submitted by ET.

2.    Discuss amongst ER, ET and Contractor in order to formulate air mitigation proposal.

3.    Review Contractor’s air mitigation proposal and advise the ER accordingly.

4.    Supervise and confirm in writing the implementation of remedial measures.