Appendix I:

Table I-1: Event / Action Plan for Air Quality

EVENT

ACTION

ET

IEC

ER

CONTRACTOR

ACTION LEVEL

1. Exceedance for one sample

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

2. Inform IEC,ER and Contractor;

3. Repeat measurement to confirm finding; and

4. Increase monitoring frequency to daily.

1. Check monitoring data submitted by ET;

2. Check Contractor’s working method; and

3. Review and advise the ET and ER on the effectiveness of the proposed remedial measures.

1. Notify Contractor.

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

2. Rectify any unacceptable practice and implement remedial measures; and

3. Amend working methods agreed with ER if appropriate.

 2. Exceedance for two or more consecutive samples

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

2. Inform IEC,ER and Contractor;

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

4. Repeat measurements to confirm findings;

5. Increase monitoring frequency to daily;

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

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

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 and ER on the effectiveness of the proposed remedial measures; and

5. Supervise Implementation of remedial measures.

1. Confirm receipt of notification of failure in writing;

2. Notify Contractor; and

3. Supervise and ensure remedial measures properly implemented.

 

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

2. Submit proposals for remedial actions to ER with a copy to ET and IEC within 3 working days of notification;

3. Implement the agreed proposals; and

4. Amend proposal if appropriate.

 LIMIT LEVEL

 1.Exceedance for one sample

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

2. Inform ER, Contractor, IEC 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, ER and Contractor on possible remedial measures;

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

5. Supervise implementation of remedial measures.

1. Confirm receipt of notification of failure in writing;

2. Notify Contractor; and

3. Supervise and ensure remedial measures properly implemented.

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

2. Take immediate action to avoid further exceedance;

3. Submit proposals for remedial actions to ER with a copy to ET and IEC within 3 working days of notification;

4. Implement the agreed proposals; and

5. Amend proposal if appropriate.

2.Exceedance for two or more consecutive samples

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, Contractorand 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 exceedancestops, cease additional monitoring.

1. Check monitoring data submitted by ET;

2. Check Contractor’s working method;

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

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

5. Supervise the implementation of remedial measures.

1. Confirm receipt of notification of failure in writing;

2. Notify Contractor;

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

4. Supervise and ensure remedial measures properly implemented;and

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

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

2. Take immediate action to avoid further exceedance;

3. Submit proposals for remedial actions to ER with a copy to ET and IEC within 3 working days of notification;

4. Implement the agreed proposals;

5. Resubmit proposals if problem still not under control;

6. Stop the relevant portion of works as determined by the ER until the exceedanceis abated.

Abbreviations: ET – Environmental Team, IEC – Independent Environmental Checker, ER – Engineer’s Representative

 

Table I-2: Event / Action Plan for Construction Noise

 EVENT

 ACTION

 

ET

IEC

ER

CONTRACTOR

Action Level

1. Notify IEC, ER and Contractor;

2. Carry out investigation;

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

4. Discuss jointly with the Contractor and formulate remedial measures;

5. Increase monitoring frequency to check mitigation effectiveness.

1. Review the monitoring data submitted by the ET;

2. Review the construction methods and proposed remedial measures by the Contractor, and advise the ET and ER if the proposed remedial measures would be sufficient;

3. Supervise the implementation of remedial measures.

1. Confirm receipt of notification of failure in writing;

2. Notify the 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 ER and copy to the IEC and ET;

2. Implement noise mitigation proposals.

Limit Level

1. Identify source;

2. Inform IEC, ER and Contractor;

3. Repeat measurements to confirm findings;

4. Increase the monitoring frequency;

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

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

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

8. If exceedance stops, cease additional monitoring.

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

2. Review the 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 the Contractor;

3. Require the 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. Take immediate action to avoid further exceedance;

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

3. Implement the agreed proposals;

4. Resubmit proposals if problems still not under control;

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

Abbreviations: ET – Environmental Team, IEC – Independent Environmental Checker, ER – Engineer’s Representative

 

Table I-3: Actions in the event of LFG being detected

 Parameter

Monitoring Results

Actions

O2

<19% v/v

Increase underground ventilation to restore O2 to >19% v/v

<18% v/v

Stop works, evacuate all personnel, prohibit entry, and increase ventilation to restore O2 level to >19%

CH4

>10% LEL

Prohibit hot works, increase ventilation to restore CH4 to <10% LEL

>20% LEL

Stop works, evacuate all personnel, increase ventilation further to restore CH4 to <10% LEL

CO2

>0.5% v/v

Increase ventilation to restore C O2 to <0.5% v/v

>1.5% v/v

Stop works, evacuate all personnel, increase ventilation further to restore CO2 to <0.5%

Note: Depending on the results of the measurements, actions required will vary and should be set down by the Safety Officer or another appropriately qualified person. As a minimum these should encompass those actions specified in the above table.

Table I-4: Event / Action Plan for Ambient Arsenic Monitoring

EVENT

ACTION

ET

IEC

ER

CONTRACTOR

ACTION LEVEL

1. Exceedance for one sample

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

2. Inform IEC,ER and Contractor;

3. Repeat measurement to confirm finding; and

4. Increase monitoring frequency to daily.

1. Check monitoring data submitted by ET;

2. Check Contractor’s working method; and

3. Review and advise the ET and ER on the effectiveness of the proposed remedial measures.

1. Notify Contractor.

1. Rectify any unacceptable practice;

2. Amend working methods if appropriate

 

 2. Exceedance for two or more consecutive samples

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

2. Inform IEC,ER and Contractor;

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

4. Repeat measurements to confirm findings;

5. Increase monitoring frequency to daily;

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

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

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 and ER on the effectiveness of the proposed remedial measures; and

5. Supervise Implementation of remedial measures.

1. Confirm receipt of notification of failure in writing;

2. Notify Contractor; and

3. Supervise and ensure remedial measures properly implemented.

 

1. Submit proposals for remedial actions to ER with a copy to ET and IEC within 3 working days of notification;

2. Implement the agreed proposals; and

3. Amend proposal if appropriate.

 LIMIT LEVEL

 1.Exceedance for one sample

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

2. Inform ER, Contractor, IEC 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, ER and Contractor on possible remedial measures;

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

5. Supervise implementation of remedial measures.

1. Confirm receipt of notification of failure in writing;

2. Notify Contractor; and

3. Supervise and ensure remedial measures properly implemented.

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

2. Take immediate action to avoid further exceedance;

3. Submit proposals for remedial actions to ER with a copy to ET and IEC within 3 working days of notification;

4. Implement the agreed proposals; and

5. Amend proposal if appropriate.

2.Exceedance for two or more consecutive samples

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, Contractor 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 failure in writing;

2. Notify Contractor;

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

4. Supervise and ensure remedial measures properly implemented; and

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

1. Take immediate action to avoid further exceedance;

2. Submit proposals for remedial actions to ER with a copy to ET 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.

Abbreviations: ET – Environmental Team, IEC – Independent Environmental Checker, ER – Engineer’s Representative