Appendix H

Appendix G Event/Action Plans

Table G.1 Event and Action Plans for Air Quality

Event	Monitoring		Action
	ET Leader	IEC	Engineer	Contractor
Action Level
Exceedance of one sample	Identify source Inform Engineer and IEC verbally Repeat measurement to confirm finding	Check monitoring data submitted by ET and advise Engineer.	Notify Contractor Checking monitoring data and contractor's working methods	Rectify any unacceptable practice amend any working methods if appropriate

Exceedance of two or more consecutive samples	Identify source Inform Engineer and IEC verbally Repeat measurement to confirm finding Increase monitoring frequency Discuss with Engineer and Contractor on remedial actions required If exceedance continues, arrange meeting with Engineer If exceedance stops, discontinue additional monitoring	Check monitoring data submitted by ET and advise Engineer. Provide feedback to the Engineer on the remedial actions proposed by the ET / Contractor Advise Engineer on the effectiveness of the proposed remedial measures Verify the implementation of the remedial measures	Confirm receipt of notification of failure in writing Notify contractor Checking monitoring data and contractor's working methods Discuss proposed remedial actions with the ET and Contractor Ensure remedial actions properly implemented	Submit proposals for remedial actions to Engineer within 3 working days of notifications Implement the agreed proposals Amend proposal if appropriate
Limit level
Exceedance of one sample	Repeat measurement to confirm finding. Identify the source(s) of the impact. If the exceedance is found to be valid and due to the Construction works, verbally advise the Contractor, Engineer and IEC, and inform the EPD of the exceedance, as soon as practicable. Increase monitoring frequency to daily Assess the effectiveness of the contractor's remedial actions and keep Engineer, IEC and EPD informed of the results	Check monitoring data submitted by ET and advise Engineer Provide feedback to the Engineer on the remedial actions proposed by the ET / Contractor Advise Engineer on the effectiveness of the proposed remedial measures Verify the implementation of the remedial measures	Confirm receipt of notification of failure in writing Notify Contractor Checking monitoring data and Contractor's working method Discuss with ET and Contractor on remedial actions to be provided Ensure remedial measures properly implemented	Take immediate action to avoid further exceedance Submit proposals for remedial actions to Engineer within 3 working days of notifications Implement the agreed proposals Amend proposal if appropriate
Exceedance of two or more consecutive samples	Identify source If the exceedance is found to be valid and due to the construction works, verbally advise the Contractor, Engineer and IEC, and inform the EPD of the exceedance as soon as practicable. Repeat measurement to confirm finding Increase monitoring frequency to daily Carry out analysis of Contractor's working procedures to determine possible mitigation to be implemented Arrange meeting with Engineer and Contractor to discuss the remedial actions to be taken If exceedance stops, discontinue additional monitoring	Provide feedback to the Engineer on the remedial actions proposed by the ET / Contractor Advise Engineer on the effectiveness of the proposed remedial measures Verify the implementation of the remedial measures	Confirm receipt of notification of failure in writing Checking monitoring data and Contractor's working methods Notify Contractor Discuss proposed remedial actions with ET and Contractor Ensure remedial measures properly implemented If exceedance continues, consider what portion of the work is responsible and instruct the Contractor to stop the portion of work until the exceedance is abated	Take immediate action to avoid further exceedance Submit proposals for remedial actions to Engineer within 3 working days of notifications Implement the agreed proposals Resubmit proposals if problem still not under control Stop the relevant portion of works as determined by the Engineer until the exceedance is abated

Table G.2 Event and Action Plans for Construction Noise

Exceedance	ET Leader	IEC	Engineer	Contractor
Action Level	Undertake noise measurement/check monitoring data to establish validity of complaint. If the complaint is valid, inform Engineer and IEC verbally. Identify the source(s) of the noise. Discuss remedial actions required with Contractor and Engineer. Increase manual monitoring frequency to assess efficacy of remedial measures. If exceedance continues, review implementation of appropriate mitigation measures.	Review the analysed results submitted by the ET. Review the remedial measures proposed by the Contractor and advise the Engineer and ET accordingly. Verify the implementation of the remedial measures.	Notify Contractor of the complaint if proven. Check Contractor's working methods and advise IEC and ET accordingly. Remind the Contractor of his contractual obligations and discuss remedial actions. Keep the Contractor informed of the efficacy of remedial actions.	Submit proposals for remedial actions to Engineer. Amend proposals if required by the Engineer. Implement the remedial actions immediately upon instruction from the Engineer. Liaise with the Engineer to optimise the effectiveness of the agreed mitigation.
Limit Level	Repeat manual measurement/check monitoring data to confirm findings. Identify the source(s) of the impact. If the exceedance is found to be valid and due to the Construction works, verbally advise the Contractor, Engineer and IEC, and inform the EPD of the exceedance, as soon as practicable. Discuss remedial actions required with Engineer. Increase manual monitoring frequency to assess efficacy of remedial measures.	Agree potential remedial actions with Engineer, ET and Contractor. Review Contractor’s remedial actions / measures to ensure their effectiveness and advise the Engineer and ET accordingly. Verify the implementation of the remedial measures	Notify Contractor of exceedance. Check Contractor's working methods and advise IEC and ET accordingly. Discuss with Contractor the remedial actions to be implemented. Keep the Contractor informed of the efficacy of remedial actions. If the exceedance continues, consider what portion of the work is responsible and instruct the Contractor to stop the portion of work until the exceedance is abated	Take immediate action to avoid further exceedance. Submit proposals for remedial actions to Engineer. Amend proposals if required by the Engineer. Implement remedial actions immediately upon instruction from the Engineer. If the exceedance continues, consider what portion of the work is responsible and, as instructed by the Engineer, stop the portion of work until the exceedance is abated

Exceedance

ET Leader

IEC

Engineer

Contractor

Action Level

Undertake noise measurement/check monitoring data to establish validity of complaint.

If the complaint is valid, inform Engineer and IEC verbally.

Identify the source(s) of the noise.

Discuss remedial actions required with Contractor and Engineer.

Increase manual monitoring frequency to assess efficacy of remedial measures.

If exceedance continues, review implementation of appropriate mitigation measures.

Review the analysed results submitted by the ET.

Review the remedial measures proposed by the Contractor and advise the Engineer and ET accordingly.

Verify the implementation of the remedial measures.

Notify Contractor of the complaint if proven.

Check Contractor's working methods and advise IEC and ET accordingly.

Remind the Contractor of his contractual obligations and discuss remedial actions.

Keep the Contractor informed of the efficacy of remedial actions.

Submit proposals for remedial actions to Engineer.

Amend proposals if required by the Engineer.

Implement the remedial actions immediately upon instruction from the Engineer.

Liaise with the Engineer to optimise the effectiveness of the agreed mitigation.

Limit Level

Repeat manual measurement/check monitoring data to confirm findings.

Identify the source(s) of the impact. If the exceedance is found to be valid and due to the Construction works, verbally advise the Contractor, Engineer and IEC, and inform the EPD of the exceedance, as soon as practicable.

Discuss remedial actions required with Engineer.

Increase manual monitoring frequency to assess efficacy of remedial measures.

Agree potential remedial actions with Engineer, ET and Contractor.

Review Contractor’s remedial actions / measures to ensure their effectiveness and advise the Engineer and ET accordingly.

Verify the implementation of the remedial measures

Notify Contractor of exceedance.

Check Contractor's working methods and advise IEC and ET accordingly.

Discuss with Contractor the remedial actions to be implemented.

Keep the Contractor informed of the efficacy of remedial actions.

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

Take immediate action to avoid further exceedance.

Submit proposals for remedial actions to Engineer.

Amend proposals if required by the Engineer.

Implement remedial actions immediately upon instruction from the Engineer.

If the exceedance continues, consider what portion of the work is responsible and, as instructed by the Engineer, stop the portion of work until the exceedance is abated

Table G.3 Event and Action Plans for Water Quality

Exceedance	ET Leader	IEC	Engineer	Contractor
Action level exceeded on one sampling day	Verbally inform the Contractor, and IEC. Repeat in-situ measurement to confirm findings; Identify source(s) of impact; Check monitoring data, all plant, equipment and Contractor's working methods; Discuss mitigation measures with Engineer and Contractor; Repeat measurement on next day of exceedance.	Provide feedback to the Engineer on the remedial actions proposed by the ET / Contractor Advise Engineer on the effectiveness of the proposed remedial measures Verify the implementation of the remedial measures	Discuss with Contractor the proposed mitigation measures; Make agreement on the mitigation measures to be implemented; 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; Consider changes of working methods; Propose and discuss mitigation measures with Engineer; Implement the agreed mitigation measures.
Action level exceeded on more than one consecutive sampling day	Repeat in-situ measurements to confirm findings; Identify source(s) of impact; Inform Contractor and IEC; Check monitoring data, all plant, equipment and Contractor's working methods; Discuss mitigation measure with Engineer and Contractor; Ensure mitigation measures are implemented; Prepare to increase the monitoring frequency to daily; Repeat measurement on next day of exceedance.	Provide feedback to the Engineer on the remedial actions proposed by the ET / Contractor Advise Engineer on the effectiveness of the proposed remedial measures Verify the implementation of the remedial measures	Discuss with ET and Contractor on the proposed mitigation measures; Make agreement on the mitigation measures to be implemented; 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; Consider changes of working methods; Propose mitigation measures to Engineer within 3 working days and discuss with ET and Engineer; Implement the agreed mitigation measures.
Limit level exceeded on one sampling day	Verbally inform the Contractor, IEC and the EPD of the exceedance; Repeat in-situ measurement to confirm findings; Identify source(s) of impact; Check monitoring data, all plant, equipment and Contractor's working methods; Discuss mitigation measure with Engineer and Contractor; Ensure mitigation measures are implemented; Increase the monitoring frequency to daily until no exceedance of Limit level.	Provide feedback to the Engineer on the remedial actions proposed by the ET / Contractor Advise Engineer on the effectiveness of the proposed remedial measures Verify the implementation of the remedial measures	Discuss with 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 Engineer and confirm notification of the non-compliance in writing; Rectify unacceptable practice; Check all plant and equipment; Consider changes of working methods; Propose mitigation measures to Engineer within 3 working days and discuss with Engineer; Implement the agreed mitigation measures.
Limit level exceeded by more than one consecutive sampling day	Repeat in-situ measurement to confirm findings; Identify source(s) of impact; Inform Contractor, IEC and EPD; Check monitoring data, all plant, equipment and Contractor's working methods; Discuss mitigation measure with Engineer and Contractor; Ensure mitigation measures are implemented; Increase the monitoring frequency to daily until no exceedance of Limit level for two consecutive days.	Provide feedback to the Engineer on the remedial actions proposed by the ET / Contractor Advise Engineer on the effectiveness of the proposed remedial measures Verify the implementation of the remedial measures	Discuss with 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 works until no exceedance of the Limit Level.	Inform the Engineer and confirm notification of the non-compliance in writing; Rectify unacceptable practice; Check all plant and equipment; Consider changes of working methods; Propose mitigation measures to Engineer within 3 working days and discuss with Engineer; Implement the agreed mitigation measures.. As directed by the Engineer, to slow down or to stop all or part of the marine work

Exceedance

ET Leader

IEC

Engineer

Contractor

Action level exceeded on one sampling day

Verbally inform the Contractor, and IEC.

Repeat in-situ measurement to confirm findings;

Identify source(s) of impact;

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

Discuss mitigation measures with Engineer and Contractor;

Repeat measurement on next day of exceedance.

Provide feedback to the Engineer on the remedial actions proposed by the ET / Contractor

Advise Engineer on the effectiveness of the proposed remedial measures

Verify the implementation of the remedial measures

Discuss with Contractor the proposed mitigation measures;

Make agreement on the mitigation measures to be implemented;

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;

Consider changes of working methods;

Propose and discuss mitigation measures with Engineer;

Implement the agreed mitigation measures.

Action level exceeded on more than one consecutive sampling day

Repeat in-situ measurements to confirm findings;

Identify source(s) of impact;

Inform Contractor and IEC;

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

Discuss mitigation measure with Engineer and Contractor;

Ensure mitigation measures are implemented;

Prepare to increase the monitoring frequency to daily;

Repeat measurement on next day of exceedance.

Provide feedback to the Engineer on the remedial actions proposed by the ET / Contractor

Advise Engineer on the effectiveness of the proposed remedial measures

Verify the implementation of the remedial measures

Discuss with ET and Contractor on the proposed mitigation measures;

Make agreement on the mitigation measures to be implemented;

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; Consider changes of working methods;

Propose mitigation measures to Engineer within 3 working days and discuss with ET and Engineer;

Implement the agreed mitigation measures.

Limit level exceeded on one sampling day

Verbally inform the Contractor, IEC and the EPD of the exceedance;

Repeat in-situ measurement to confirm findings;

Identify source(s) of impact;

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

Discuss mitigation measure with Engineer and Contractor;

Ensure mitigation measures are implemented;

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

Provide feedback to the Engineer on the remedial actions proposed by the ET / Contractor

Advise Engineer on the effectiveness of the proposed remedial measures

Verify the implementation of the remedial measures

Discuss with 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 Engineer and confirm notification of the non-compliance in writing;

Rectify unacceptable practice;

Check all plant and equipment; Consider changes of working methods;

Propose mitigation measures to Engineer within 3 working days and discuss with Engineer;

Implement the agreed mitigation measures.

Limit level exceeded by more than one consecutive sampling day

Repeat in-situ measurement to confirm findings;

Identify source(s) of impact;

Inform Contractor, IEC and EPD;

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

Discuss mitigation measure with Engineer and Contractor;

Ensure mitigation measures are implemented;

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

Provide feedback to the Engineer on the remedial actions proposed by the ET / Contractor

Advise Engineer on the effectiveness of the proposed remedial measures

Verify the implementation of the remedial measures

Discuss with 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 works until no exceedance of the Limit Level.

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

Rectify unacceptable practice;

Check all plant and equipment; Consider changes of working methods;

Propose mitigation measures to Engineer within 3 working days and discuss with Engineer;

Implement the agreed mitigation measures..

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