1

Table A15.1

Actions in the Event of Exceedance of Action/Limit Levels for Noise

Event	Action
Event	EM or ER	Contractor
Action Level	1. Notify Contractor 2. Analyse investigation 3. Require Contractor to propose measures for the analysed noise problem 4. Increase monitoring frequency to check mitigation effectiveness	1. Submit noise mitigation proposals to Environmental Manager/Engineer's Representative 2. Implement noise mitigation proposals
Limit Level	1. Notify Contractor 2. Notify EPD 3. Require contractor to implement mitigation measures. Increase monitoring frequency to check mitigation effectiveness	1. Implement mitigation measures 2. Prove to Environmental Manager/ER effectiveness of measures applied

Table A15.2

Actions in the Event of Exceedance of Action/Limit Levels for Air Quality

Event	Actions
Exceedance for one sample	1. Identify source 2. Inform ER 3. Repeat measurement to confirm finding 4. Increase monitoring frequency to daily	1. Notify Contractor 2. Check monitoring data and Contractor's working methods	1. Rectify any unacceptable practice 2. Amend working methods if appropriate
Exceedance for two or more consecutive samples	1. Identify source 2. Inform ER 3. Repeat measurements to confirm findings 4. Increase monitoring frequency to daily 5. Discuss with ER for remedial actions required 6. If exceedance continues, arrange meeting with ER 7. If exceedance stops, cease additional monitoring	1. Confirm receipt of notification of failure in writing 2. Notify Contractor 3. Check monitoring data and Contractor's working methods 4. Discuss with EMT and Contractor on potential remedial actions 5. Ensure remedial actions properly implemented	1. Submit proposals for remedial actions to ER within 3 working days of notification 2. Implement the agreed proposals 3. Amend proposal if appropriate
Limit Level
Exceedance for one sample	1. Identify source 2. Inform 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 EPD and ER informed of the results	1. Confirm receipt of notification of failure in writing 2. Notify Contractor 3. Check monitoring data and Contractor's working methods 4. Discuss with EMT and Contractor potential remedial actions 5. Ensure remedial actions properly implemented	1. Take immediate action to avoid further exceedance 2. Submit proposals for remedial actions to ER within 3 working days of notification 3. Implement the agreed proposals 4. Amend proposal if appropriate
Exceedance for two or more consecutive samples	1. Identify source 2. Inform ER and EPD the causes & actions taken for the exceedances 3. Repeat measurement to confirm findings 4. Increase monitoring frequency to daily 5. Investigate the causes of exceedance 6. Arrange meeting with EPD and ER to discuss the remedial actions to be taken 7. Assess effectiveness of Contractor's remedial actions and keep EPD and ER informed of the results 8. If exceedance stops, cease additional monitoring	1. Confirm receipt of notification of failure in writing 2. Notify Contractor 3. Carry out analysis of Contractor's working procedures to determine possible mitigation to be implemented 4. Discuss amongst EMT and the Contractor potential remedial actions 5. Review Contractor's remedial actions whenever necessary to assure their effectiveness 6. 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 ER 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

Actions

EMT

Contractor

Action Level

Exceedance for one sample

1. Identify source

2. Inform ER

3. Repeat measurement to confirm finding

4. Increase monitoring frequency to daily

1. Notify Contractor

2. Check monitoring data and Contractor's working methods

1. Rectify any unacceptable practice

2. Amend working methods if appropriate

Exceedance for two or more consecutive samples

1. Identify source

2. Inform ER

3. Repeat measurements to confirm findings

4. Increase monitoring frequency to daily

5. Discuss with ER for remedial actions required

6. If exceedance continues, arrange meeting with ER

7. If exceedance stops, cease additional monitoring

1. Confirm receipt of notification of failure in writing

2. Notify Contractor

3. Check monitoring data and Contractor's working methods

4. Discuss with EMT and Contractor on potential remedial actions

5. Ensure remedial actions properly implemented

1. Submit proposals for remedial actions to ER within 3 working days of notification

2. Implement the agreed proposals

3. Amend proposal if appropriate

Limit Level

Exceedance for one sample

1. Identify source

2. Inform 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 EPD and ER informed of the results

1. Confirm receipt of notification of failure in writing

2. Notify Contractor

3. Check monitoring data and Contractor's working methods

4. Discuss with EMT and Contractor potential remedial actions

5. Ensure remedial actions properly implemented

1. Take immediate action to avoid further exceedance

2. Submit proposals for remedial actions to ER within 3 working days of notification

3. Implement the agreed proposals

4. Amend proposal if appropriate

Exceedance for two or more consecutive samples

1. Identify source

2. Inform ER and EPD the causes & actions taken for the exceedances

3. Repeat measurement to confirm findings

4. Increase monitoring frequency to daily

5. Investigate the causes of exceedance

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

7. Assess effectiveness of Contractor's remedial actions and keep EPD and ER informed of the results

8. If exceedance stops, cease additional monitoring

1. Confirm receipt of notification of failure in writing

2. Notify Contractor

3. Carry out analysis of Contractor's working procedures to determine possible mitigation to be implemented

4. Discuss amongst EMT and the Contractor potential remedial actions

5. Review Contractor's remedial actions whenever necessary to assure their effectiveness

6. 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 ER 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

Table A15.3

Actions in the Event of Exceedance of Action/Limit Levels for Water Quality

Event	Actions
Action Level
Water: Action level being exceeded by one sampling day	1. Repeat in-situ measurement to confirm findings; 2. Identify source(s) of impact; 3. Inform contractor and EPD; 4. Check monitoring data, all plant, equipment and Contractor's working methods; 5. Discuss mitigation measures with ER and Contractor; 6. Repeat measurement on next day of exceedance.	1. Discuss with EMT and Contractor on the proposed mitigation measures; 2. Make agreement on the mitigation measures to be implemented; 3. Assess the effectiveness of the implemented mitigation measures.	1. Inform the Engineer and confirm notification of the non-compliance in writing; 2. Rectify unacceptable practice; 3. Check all plant and equipment; consider changes of working methods; 4. Propose mitigation measures to ER and discuss with EMT and ER; 5. Implement the agreed mitigation measures.
Water: Action level being exceeded by more than two consecutive sampling days	1. Repeat in-situ measurement to confirm findings; 2. Identify source(s) of impact; 3. Inform contractor and EPD; 4. Check monitoring data, all plant, equipment and Contractor's working methods; 5. Discuss mitigation measures with ER and Contractor; 6. Ensure mitigation measures are implemented; 7. Prepare to increase the monitoring frequency to daily; 8. Repeat measurement on next day of exceedance.	1. Discuss with EMT and Contractor on the proposed mitigation measures; 2. Make agreement on the mitigation measures to be implemented; 3. Assess the effectiveness of the implemented mitigation measures.	1. Inform the Engineer and confirm notification of the non-compliance in writing; 2. Rectify unacceptable practice; 3. Check all plant and equipment; consider changes of working methods; 4. Propose mitigation measures to ER within 3 working days and discuss with EMT and ER; 5. Implement the agreed mitigation measures.
Limit Level
Water: Limit level being exceeded by one sample at any monitoring station	1. Repeat in-situ measurement to confirm findings; 2. Identify source(s) of impact; 3. Inform contractor and EPD; 4. Check monitoring data, all plant, equipment and Contractor's working methods; 5. Discuss mitigation measures with ER and Contractor; 6. Ensure mitigation measures are implemented; 7. Increase the monitoring frequency to daily until no exceedance of Action level.	1. Discuss with EMT and Contractor on the proposed mitigation measures; 2. Request Contractor to critically review the working methods; 3. Make agreement on the mitigation measures to be implemented; 4. Assess the effectiveness of the implemented mitigation measures.	1. Inform the Engineer and confirm notification of the non-compliance in writing; 2. Rectify unacceptable practice; 3. Check all plant and equipment; consider changes of working methods; 4. Propose mitigation measures to ER within 3 working days and discuss with EMT and ER; 5. Implement the agreed mitigation measures.
Water: Limit level being exceeded by more than two consecutive samples at any monitoring station	1. Repeat in-situ measurement to confirm findings; 2. Identify source(s) of impact; 3. Inform contractor and EPD; 4. Check monitoring data, all plant, equipment and Contractor's working methods; 5. Discuss mitigation measures with ER and Contractor; 6. Ensure mitigation measures are implemented; 7. Increase the monitoring frequency to daily until no exceedance of Action level for two consecutive days.	1. Discuss with EMT and Contractor on the proposed mitigation measures; 2. Request Contractor to critically review the working methods; 3. Make agreement on the mitigation measures to be implemented; 4. Assess the effectiveness of the implemented mitigation measures; 5. 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.	1. Inform the Engineer and confirm notification of the non-compliance in writing; 2. Rectify unacceptable practice; 3. Check all plant and equipment; consider changes of working methods; 4. Propose mitigation measures to ER within 3 working days and discuss with EMT and ER; 5. Implement the agreed mitigation measures; 6. As directed by the Engineer, to slow down or to stop all or part of the marine work or construction activities.

Event

Actions

EMT

Contractor

Action Level

Water: Action level being exceeded by one sampling day

1. Repeat in-situ measurement to confirm findings;

2. Identify source(s) of impact;

3. Inform contractor and EPD;

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

5. Discuss mitigation measures with ER and Contractor;

6. Repeat measurement on next day of exceedance.

1. Discuss with EMT and Contractor on the proposed mitigation measures;

2. Make agreement on the mitigation measures to be implemented;

3. Assess the effectiveness of the implemented mitigation measures.

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

2. Rectify unacceptable practice;

3. Check all plant and equipment; consider changes of working methods;

4. Propose mitigation measures to ER and discuss with EMT and ER;

5. Implement the agreed mitigation measures.

Water: Action level being exceeded by more than two consecutive sampling days

1. Repeat in-situ measurement to confirm findings;

2. Identify source(s) of impact;

3. Inform contractor and EPD;

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

5. Discuss mitigation measures with ER and Contractor;

6. Ensure mitigation measures are implemented;

7. Prepare to increase the monitoring frequency to daily;

8. Repeat measurement on next day of exceedance.

1. Discuss with EMT and Contractor on the proposed mitigation measures;

2. Make agreement on the mitigation measures to be implemented;

3. Assess the effectiveness of the implemented mitigation measures.

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

2. Rectify unacceptable practice;

3. Check all plant and equipment; consider changes of working methods;

4. Propose mitigation measures to ER within 3 working days and discuss with EMT and ER;

5. Implement the agreed mitigation measures.

Limit Level

Water: Limit level being exceeded by one sample at any monitoring station

1. Repeat in-situ measurement to confirm findings;

2. Identify source(s) of impact;

3. Inform contractor and EPD;

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

5. Discuss mitigation measures with ER and Contractor;

6. Ensure mitigation measures are implemented;

7. Increase the monitoring frequency to daily until no exceedance of Action level.

1. Discuss with EMT and Contractor on the proposed mitigation measures;

2. Request Contractor to critically review the working methods;

3. Make agreement on the mitigation measures to be implemented;

4. Assess the effectiveness of the implemented mitigation measures.

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

2. Rectify unacceptable practice;

3. Check all plant and equipment; consider changes of working methods;

4. Propose mitigation measures to ER within 3 working days and discuss with EMT and ER;

5. Implement the agreed mitigation measures.

Water: Limit level being exceeded by more than two consecutive samples at any monitoring station

1. Repeat in-situ measurement to confirm findings;

2. Identify source(s) of impact;

3. Inform contractor and EPD;

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

5. Discuss mitigation measures with ER and Contractor;

6. Ensure mitigation measures are implemented;

7. Increase the monitoring frequency to daily until no exceedance of Action level for two consecutive days.

1. Discuss with EMT and Contractor on the proposed mitigation measures;

2. Request Contractor to critically review the working methods;

3. Make agreement on the mitigation measures to be implemented;

4. Assess the effectiveness of the implemented mitigation measures;

5. 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.

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

2. Rectify unacceptable practice;

3. Check all plant and equipment; consider changes of working methods;

4. Propose mitigation measures to ER within 3 working days and discuss with EMT and ER;

5. Implement the agreed mitigation measures;

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

Back to Content