Event and Action Plan for Air Quality (Dust)

EVENT

ACTION

              ET

               IEC

          ER

CONTRACTOR

Action level being exceeded by one sampling

1.       Identify source, investigate the causes of complaint and propose remedial measures;

2.       Inform IEC and ER;

3.       Repeat measurement to confirm finding;

4.       Increase monitoring frequency to daily.

1.       Check monitoring data submitted by ET;

2.       Check Contractor’s working method.

1.       Notify Contractor.

1.       Rectify any unacceptable practice;

2.       Amend working methods if appropriate.

Action level being exceeded by two or more  consecutive sampling

1.       Identify source;

2.       Inform IEC and ER;

3.       Advise the ER on the effectiveness of the proposed remedial measures;

4.       Repeat measurements to confirm findings;

5.       Increase monitoring frequency to daily;

6.       Discuss with IEC and Contractor on remedial actions required;

7.       If exceedance continues, arrange meeting with IEC and ER;

8.       If exceedance stops, cease additional monitoring.

1.       Check monitoring data submitted by ET;

2.       Check Contractor’s working method;

3.       Discuss with ET and Contractor on possible remedial measures;

4.       Advise the ET on the effectiveness of the proposed remedial measures;

5.       Supervise Implementation of remedial measures.

1.       Confirm receipt of notification of exceedance in writing;

2.       Notify Contractor;

3.       Ensure remedial measures properly implemented.

 

1.       Submit proposals for remedial actions to IEC within three working days of notification;

2.       Implement the agreed proposals;

3.       Amend proposal if appropriate.

Limit level being exceeded by one sampling

1.   Identify source, investigate the causes of exceedance and propose remedial measures;

2.   Inform Contractor ,IEC, ER, and EPD;

3.   Repeat measurement to confirm finding;

4.   Increase monitoring frequency to daily;

5.  Assess effectiveness of Contractor’s remedial actions and keep IEC, EPD and ER informed of the results.

1.       Check monitoring data submitted by ET;

2.       Check Contractor’s working method;

3.       Discuss with ET and Contractor on possible remedial measures;

4.       Advise the ER on the effectiveness of the proposed remedial measures;

5.       Supervise implementation of remedial measures.

1.       Confirm receipt of notification of exceedance in writing;

2.       Notify Contractor;

3.       Ensure remedial measures properly implemented.

1.       Take immediate action to avoid further exceedance;

2.       Submit proposals for remedial actions to IEC within three working days of notification;

3.       Implement the agreed proposals;

4.       Amend proposal if appropriate.

Limit level being exceeded by two or more consecutive sampling

1.       Notify IEC, ER, Contractor and EPD;

2.       Identify source;

3.       Repeat measurement to confirm findings;

4.       Increase monitoring frequency to daily;

5.       Carry out analysis of Contractor’s working procedures to determine possible mitigation to be implemented;

6.       Arrange meeting with IEC and ER to discuss the remedial actions to be taken;

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

8.       If exceedance stops, cease additional monitoring.

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 the implementation of remedial measures.

1.       Confirm receipt of notification of exceedance in writing;

2.       Notify Contractor;

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

4.       Ensure remedial measures 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.   Take immediate action to avoid further exceedance;

2.   Submit proposals for remedial actions to IEC within three 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.

 

    


 

 Event and Action Plan for Construction Noise

 

EVENT

ACTION

 

              ET

                 IEC

ER

CONTRACTOR

Action Level

1.      Notify IEC and Contractor;

2.      Carry out investigation;

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

4.      Discuss with the Contractor and formulate remedial measures;

5.      Increase monitoring frequency to check mitigation effectiveness.

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 the implementation of remedial measures.

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.  Submit noise mitigation proposals to IEC;

2.  Implement noise mitigation proposals.

Limit Level

1.      Identify source;

2.      Inform IEC, ER, EPD and Contractor;

3.      Repeat measurements to confirm findings;

4.      Increase monitoring frequency;

5.      Carry out analysis of Contractor’s working procedures to determine possible mitigation to be implemented;

6.      Inform IEC, ER and EPD the causes and actions taken for the exceedances;

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

8.      If exceedance stops, cease additional monitoring.

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

2.      Review Contractors remedial actions whenever necessary to assure their effectiveness and advise the ER accordingly;

3.      Supervise the implementation of remedial measures.

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 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.      Take immediate action to avoid further exceedance;

2.      Submit proposals for remedial actions to 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.

 

 


 

    Event and Action Plan for Marine Water Quality

Event

Action

ET

IEC

ER

CONTRACTOR

Action level being exceeded by one sampling day at water sensitive receiver(s)

·   Identify the source(s) of impact by comparing the results with those collected at the control stations as appropriate;

·   If exceedance is found to be caused by the reclamation activities, repeat in-situ measurement to confirm findings;

·   Inform IEC and contractor;

·   Check monitoring data, all plant, equipment and Contractor's working methods;

·   If exceedance occurs at WSD salt water intake, inform WSD;

·   Discuss mitigation measures with IEC and Contractor;

·   Repeat measurement on next day of exceedance.

·   Discuss with ET and Contractor on the mitigation measures;

·   Review proposal on mitigation measures submitted by Contractor and advise the ER accordingly;

·   Assess the effectiveness of the implemented mitigation measures.

·   Discuss with IEC on the proposed mitigation measures;

·   Make agreement on the mitigation proposal.

·   Inform the ER and confirm notification of the non-compliance in writing;

·   Rectify unacceptable practice;

·   Check all plant and equipment;

·   Amend working methods if appropriate;

·   Discuss with ET and IEC and propose mitigation measures to IEC and ER;

·   Implement the agree mitigation measures.

Action level being exceeded by two or more  consecutive sampling days at water sensitive receiver(s)

·   Identify the source(s) of impact by comparing the results with those collected at the control stations as appropriate;

·   If exceedance is found to be caused by the reclamation activities, repeat in-situ measurement to confirm findings;

·   Inform IEC and contractor;

·   Check monitoring data, all plant, equipment and Contractor's working methods;

·   Discuss mitigation measures with IEC and Contractor;

·   Ensure mitigation measures are implemented;

·   Prepare to increase the monitoring frequency to daily;

·   If exceedance occurs at WSD salt water intake, inform WSD;

·   Repeat measurement on next day of exceedance.

·   Discuss with ET and Contractor on the mitigation measures;

·   Review proposal on mitigation measures submitted by Contractor and advise the ER accordingly;

·   Assess the effectiveness of the implemented mitigation measures.

·   Discuss with IEC on the proposed mitigation measures;

·   Make agreement on the mitigation proposal;

·   Assess the effectiveness of the implemented mitigation measures.

·   Inform the Engineer and confirm notification of the non-compliance in writing;

·   Rectify unacceptable practice;

·   Check all plant and equipment and consider changes of working methods;

·   Discuss with ET, IEC and ER and propose mitigation measures to IEC and ER within 3 working days;

·   Implement the agreed mitigation measures.

Limit level being exceeded by one sampling day at water sensitive receiver(s)

·   Identify the source(s) of impact by comparing the results with those collected at  the control stations as appropriate;

·   If exceedance is found to be caused by the reclamation activities, repeat in-situ measurement to confirm findings;

·   Inform IEC, contractor, AFCD and EPD

·   Check monitoring data, all plant, equipment and Contractor's working methods;

·   Discuss mitigation measures with IEC, ER and Contractor;

·   Ensure mitigation measures are implemented;

·   Increase the monitoring frequency to daily until no exceedance of Limit level;

·   If exceedance occurs at WSD salt water intake, inform WSD.

·   Discuss with ET and Contractor on the mitigation measures;

·   Review proposal on mitigation measures submitted by Contractor and advise the ER accordingly;

·   Assess the effectiveness of the implemented mitigation measures.

·   Discuss with IEC, ET and Contractor on the proposed mitigation measures;

·   Request Contractor to critically review the working methods;

·   Make agreement on the mitigation measures to be implemented;

·   Assess the effectiveness of the implemented mitigation measures.

·   Inform the ER and confirm notification of the non-compliance in writing;

·   Rectify unacceptable practice;

·   Check all plant and equipment and consider changes of working methods;

·   Discuss with ET, IEC and ER and submit proposal of mitigation measures to IEC and ER within 3 working days of notification;

·   Implement the agreed mitigation measures.

Limit level being exceeded by two or more consecutive sampling days at water sensitive receiver(s)

·   Identify the source(s) of impact by comparing the results with those collected at the control stations as appropriate;

·   If exceedance is found to be caused by the reclamation activities, repeat in-situ measurement to confirm findings;

·   Inform IC(E), AFCD, contractor and EPD;

·   Check monitoring data, all plant, equipment and Contractor's working methods;

·   Discuss mitigation measures with IC(E), ER and Contractor;

·   Ensure mitigation measures are implemented;

·   Increase the monitoring frequency to daily until no exceedance of Limit level for two consecutive days;

·   If exceedance occurs at WSD salt water intake, inform WSD.

·   Discuss with ET and Contractor on the mitigation measures;

·   Review proposal on mitigation measures submitted by Contractor and advise the ER accordingly;

·   Assess the effectiveness of the implemented mitigation measures.

·   Discuss with IC(E), ET and Contractor on the proposed mitigation measures;

·   Request Contractor to critically review the working methods;

·   Make agreement on the mitigation measures to be implemented;

·   Assess the effectiveness of the implemented mitigation measures;

·   Consider and instruct, if necessary, the Contractor to slow down or to stop all or part of the marine work until no exceedance of Limit level.

·   Inform the ER and confirm notification of the non-compliance in writing;

·   Rectify unacceptable practice;

·   Check all plant and equipment and consider changes of working methods;

·   Discuss with ET, IC(E) and ER and submit proposal of mitigation measures to IC(E) and ER within 3 working days of notification;

·   Implement the agreed mitigation measures;

·   As directed by the Engineer, to slow down or to stop all or part of the construction activities.

 


 

Limit Levels and Action Plan for Landfill Gas

Parameter

Limit Level

Action

Oxygen

<19%

·         Ventilate to restore oxygen to >19%      

<18%

·         Stop works

·         Evacuate personnel/prohibit entry

·         Increase ventilation to restore oxygen to >19%

Methane

>10% LEL (i.e. > 0.5% by volume)

·         Prohibit hot works

·         Ventilate to restore methane to <10% LEL

>20% LEL (i.e. > 1% by volume)

·         Stop works

·         Evacuate personnel / prohibit entry

·         Increase ventilation to restore methane to <10% LEL

Carbon Dioxide

>0.5%

·         Ventilate to restore carbon dioxide to < 0.5%

>1.5%

·         Stop works

·         Evacuate personnel / prohibit entry

·         Increase ventilation to restore carbon dioxide to < 0.5%

 


 

Event and Action Plan for Coral Post-Translocation Monitoring

Event

Action

ET Leader

IEC

ER

Contractor

Action

Level Exceedance

 

 

1. Check monitoring data;

 

2. Inform the IEC, ER and Contractor of the findings;

 

3. Increase the monitoring to at least once a month to confirm findings;

 

4. Propose mitigation

measures for consideration

1.Discuss monitoring with the ET and the Contractor;

 

2. Review proposals for additional Monitoring and any other measures submitted by the Contractor and advise the ER accordingly.

 

1. Discuss with the IEC additional monitoring

requirements and any other measures proposed by the ET;

 

2. Make agreement on the measures to be implemented.

 

1. Inform the ER and confirm notification of the non-compliance in writing;

 

2. Discuss with the ET and the IEC and propose measures to the IEC and the ER;

 

3. Implement the agreed measures.

Limit Level Exceedance

 

 

Undertake Steps 1-4 as in the Action Level Exceedance. If further exceedance of Limit Level, suspend construction works until an effective solution is identified.

 

1.Discuss monitoring with the ET and the Contractor;

 

2. Review proposals for additional Monitoring and any other measures submitted by the Contractor and advise the ER accordingly.

1. Discuss with the IEC additional monitoring

requirements and any other measures proposed by the ET;

 

2. Make agreement on the measures to be implemented.

1. Inform the ER and confirm notification of the non-compliance in writing;

 

2. Discuss with the ET and the IEC and propose measures to the IEC and the ER;

 

3. Implement the agreed measures.


 

Mitigation Measures for Vibration Monitoring

Level

Contingency Action

Alert Level

l   The Engineer shall be informed immediately.

l   The Contractor shall submit an investigation report to describe works being undertaken.  To review the instrument responses and to study the cause of undue response.

l   The Contractor shall review and increase the instrumentation monitoring and reporting frequency, if applicable.

l   The Contractor shall submit a detailed plan of action describing the measures to be taken should the concerned instrument reach the action level to the Engineer for approval.

Alarm Level

l   The Engineer shall be informed immediately.

l   The active construction works may require to be suspended subject to the Engineer’s review of monitoring data.

l   The Contractor shall immediately implement the measures as defined in the detailed plan of action to prevent further ground movement and groundwater drawdown etc.

l   The Contractor shall prepare a detailed investigation report to study the cause of the exceedance

l   The Contractor shall propose a contingency plan for the Engineer’s approval in the event that alarm value is reached or exceeded

l   The Contractor shall develop an emergency plan for the Engineer’s approval in the event the applied contingency measures cannot control the situation.

l   The Contractor shall meet the Engineer to discuss the instrument response and review the effectiveness of the implemented measures.

l   The Contractor shall carry out design review of the works

Action Level

l   Consideration shall be given to suspend all active construction works and the Engineer shall be informed immediately

l   The Contractor shall immediately implement the measures defined in the contingency plan

l   The Contractor shall implement the measures defined in the emergency plan in the event that the applied contingency measures are found inadequate

l   The Contractor shall provide a complete report to examine the construction method and review the response of the instruments with full history of the monitoring data and construction activities and necessary design update

l   To resume the suspended activities, the Contractor shall demonstrate to the Engineer’s satisfaction that it is safe to do so with approval from the Engineer.