| EVENT | ACTION | |||
| ET | IEC | ER | Contractor | |
| Action Level | ||||
| Exceedance for one sample. | 1. Identify sources, investigate the causes of complaint and propose
  remedial measures. 2. Inform IEC and ER. 3.  Repeat measurement to confirm
  finding;. 4. Increase monitoring frequency | 1. Check monitoring data submitted by the ET. 2. Check the Contractor’s working methods. | 1.  Notify the Contractor.   | 1. Rectify any unacceptable practices. 2. Amend working methods agreed with the ER as appropriate. | 
| Exceedance for two or more consecutive
  samples. | 1.Identify sources.  2.Inform the 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 the IEC, ER and Contractor
  on remedial action required.  7.If exceedance continues, arrange
  meeting with the IEC, Contractor and ER.  8.If exceedance stops, cease
  additional monitoring. | 1. Check monitoring data submitted by the ET. 2. Check the Contractor’s working methods. 3. Discuss with the ET, ER and Contractor on possible remedial measures
  if required. 4. Advise the ER on the effectiveness of proposed remedial measures if
  required. | 1. Notify the Contractor. 2. Ensure remedial measures properly implemented. | 1. Submit proposals for remedial action to the ER within 3 working days
  of notification. 2. Implement the agreed proposals. 3. Amend proposal as appropriate | 
| Limit Level | ||||
| Exceedance for one sample. | 1. Identify sources, investigate causes of exceedance and proposed
  remedial measures. 2. Inform the IEC, ER, and Contractor. 3. Repeat measurement to confirm finding. 4. 4.  Increase monitoring
  frequency to daily. 5. Assess effectiveness of the Contractor’s remedial action and keep the
  IEC and ER informed of the results | 1. Check monitoring data submitted by the ET. 2. Check the Contractor’s working methods. 3. Discuss with the ET, ER and Contractor on possible remedial measures.
  4. Advise the ER and ET on the effectiveness of the proposed remedial
  measures. 5. Supervise the implementation of remedial measures. | 1. Confirm receipt of the notification of exceedance in writing. 2. Notify the Contractor. 3. Ensure remedial measures are properly implemented. | 1. Take immediate action to avoid further exceedance. 2. Submit proposals for remedial action to the ER and copy to the ET and
  IEC within 3 working days of notification. 3. Implement the agreed proposals. 4. Amend proposal as appropriate. | 
| Exceedance for two or more consecutive
  samples | 1. Notify the IEC, ER and Contractor. 2. Identify sources. 3. Repeat measurements to confirm findings. 4. Increase monitoring frequency to daily. 5. Carry out analysis of the Contractor’s working procedures with the ER
  to determine the possible mitigation to be implemented.6. Arrange meeting with the IEC and ER to discuss the remedial action to
  be taken. 7. Assess the effectiveness of the Contractor’s remedial action and keep
  the IEC, EPD and ER informed of the results. 8. If exceedance stops, cease additional monitoring | 1. Discuss amongst the ER, ET and Contractor on the potential remedial
  action. 2. Review the Contractor’s remedial action whenever necessary to assure
  their effectiveness and advise the ER and ET accordingly. 3. Supervise the implementation of remedial measures. | 1. Confirm receipt of the notification of exceedance in writing. 2. Notify the Contractor. 3. In consultation with the IEC and ET, agree with the Contractor on the
  remedial measures to be implemented. 4. Ensure remedial measures are properly implemented. 5. If exceedance continues, consider what portion of works is
  responsible and instruct the Contractor to stop that portion of works until
  the exceedance is abated. | 1. Take immediate action to avoid further exceedance. 2. Submit proposals for remedial action to the ER and copy to the IEC
  and ET 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. | 
 Event and Action Plan for Noise Impact
| EVENT | ACTION | |||
| ET | IEC | ER | Contractor | |
| Action Level | 1.Notify the IEC, ER and Contractor.  2.Carry out investigation.  3.Report the results of investigation to
  the IEC and Contractor. 4.Discuss jointly with the ER and
  Contractor and formulate remedial measures.  5.Increase the monitoring frequency to
  check the mitigation effectiveness | 1.  Review the monitoring
  data submitted by the ET.  2.  Review the
  construction methods and proposed redial measures by the Contractor, and
  advise the ET and ER if the proposed remedial measures would be sufficient | 1. Notify the Contractor.
   2. Require the Contractor
  to propose remedial measures for implementation if required. | 1.Submit noise mitigation proposals to
  the ER and copy to the IEC and ET.  2.Implement noise mitigation proposals. | 
| Limit Level | 1.Notify the IEC, ER and Contractor.  2.Identify sources.  3.Repeat measurements to confirm
  findings.  4.Carry out analysis of the Contractor’s
  working procedures with the ER and Contractor to determine possible
  mitigations to be implemented.  5.Record the causes and action taken for
  the exceedances.  6.Increase the monitoring frequency. 7.Assess the effectiveness of the
  Contractor’s remedial action with the ER and keep the IEC informed of the
  results.  8.If exceedance stops,
  cease additional monitoring | 1.Discuss amongst the ER, ET and
  Contractor on the potential remedial action.  2.Review the Contractor’s remedial action
  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 problems.  4.Ensure remedial measures are properly
  implemented.  5.If exceedance
  continues, consider what portion of work is responsible and instruct the
  Contractor to stop that portion of works until the exceedance is abated. | 1.Take immediate action to avoid further
  exceedance.  2.Submit proposals for remedial action 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. | 
Event
and Action Plan for Landscape and Visual Impact
| EVENT | ACTION | |||
| ET | IEC | ER | Contractor | |
| Non-conformity on one occasion | 1.
  Identify
  Source 2.
  Inform
  the IEC and the ER 3.
  Discuss
  remedial actions with the IEC, the ER and the Contractor 4.
  Monitor
  remedial actions until rectification has been completed | 1.
  Check
  report 2.
  Check
  the Contractor's working method 3.
  Discuss
  with the ET and the Contractor on possible remedial measures 4.
  Advise
  the ER on effectiveness of proposed remedial measures. 5.
  Check
  implementation of remedial measures. | 1.
  Notify
  Contractor 2.
  Ensure
  remedial measures are properly implemented | 1.
  Amend
  working methods 2.
  Rectify
  damage and undertake any necessary replacement | 
| Repeated Non-conformity | 1.
  Identify
  Source 2.
  Inform
  the IEC and the ER 3.
  Increase
  monitoring frequency 4.
  Discuss
  remedial actions with the IEC, the ER and the Contractor 5.
  Monitor
  remedial actions until rectification has been completed 6.
  If
  exceedance stops, cease additional monitoring | 1.
  Check
  monitoring report 2.
  Check
  the Contractor's working method 3.
  Discuss
  with the ET and the Contractor on possible remedial measures 4.
  Advise
  the ER on effectiveness of proposed remedial measures 5.
  Supervise
  implementation of remedial measures. | 1.
  Notify
  the Contractor 2.
  Ensure
  remedial measures are properly implemented | 1.
  Amend
  working methods 2.
  Rectify
  damage and undertake any necessary replacement |