Event /
Action Plan for Air Quality
EVENT |
ACTION |
||||||
ET |
IEC |
SO |
CONTRACTOR |
||||
ACTION
LEVEL |
|||||||
1. Exceedance for one
sample |
1. Identify source, investigate the causes
of exceedance and propose remedial measures; 2. Inform IEC and SO; 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. |
|||
2.Exceedance
for two or more consecutive samples |
1. Identify source; 2. Inform IEC and SO; 3. Advise the SO 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 SO; 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
failure in writing; 2. Notify Contractor; 3. Ensure remedial measures properly implemented. |
1. Submit proposals for remedial to SO within 3 working days of
notification; 2. Implement the agreed proposals; 3. Amend proposal if appropriate. |
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LIMIT LEVEL |
|||||||
1.Exceedance
for one sample |
1. Identify
source, investigate the causes of exceedance and
propose remedial measures; 2. Inform SO, Contractor 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 SO 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 SO 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; 3. Ensure remedial measures properly implemented. |
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. Amend
proposal if appropriate. |
|||
2.Exceedance
for two or more consecutive samples |
1. Notify
IEC, SO, 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 SO to discuss the remedial
actions to be taken; 7. Assess effectiveness of Contractor’s remedial actions and
keep IEC, EPD and SO informed of the results; 8. If exceedance stops, cease
additional monitoring. |
1. Discuss
amongst SO, ET, and Contractor on the potential remedial actions; 2. Review Contractor’s remedial actions whenever
necessary to assure their effectiveness and advise the SO 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 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 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 SO until the exceedance
is abated. |
|||
Abbreviations: ET – Environmental Team, IEC – Independent
Environmental Checker, SO – Supervising Office
Event /
Action Plan for Construction Noise
EVENT |
ACTION |
|||
|
ET |
IEC |
SO |
CONTRACTOR |
Action Level |
1. Identify source, investigate the
causes of exceedance and propose remedial measures; 2. Notify IEC and Contractor; 3. Report the results of investigation to
the IEC, SO 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 SO 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, SO, 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, SO and EPD the causes and actions
taken for the exceedances; 7. Assess effectiveness of
Contractor’s remedial actions and keep IEC, EPD and SO informed of the
results; 8. If exceedance
stops, cease additional monitoring. |
1. Discuss amongst SO, ET, and
Contractor on the potential remedial actions; 2. Review
Contractors remedial actions whenever necessary to assure their effectiveness
and advise the SO 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 SO until the exceedance is
abated. |
Event and Action Plan for Water
Quality
Event |
ET Leader |
IEC |
SO |
Contractor |
Action
level being exceeded by one sampling day |
Repeat in
situ measurement on next day of exceedance to
confirm findings; Identify
source(s) of impact; Inform IEC, contractor and SO; Check monitoring data, all plant, equipment
and Contractor's working methods. |
Check monitoring data submitted by ET and
Contractor’s working methods. |
Confirm receipt of notification of
non-compliance in writing; Notify Contractor. |
Inform the SO and confirm notification of
the non-compliance in writing; Rectify unacceptable practice; Amend working methods if appropriate. |
Action level being exceeded by two or
more consecutive sampling days |
Repeat measurement on next day of exceedance to confirm findings; Identify source(s) of impact; Inform IEC, contractor, SO 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 Action level; |
Check monitoring data submitted by ET and
Contractor’s working method; Discuss with ET and Contractor on possible
remedial actions; Review the proposed mitigation measures submitted
by Contractor and advise the SO accordingly; Supervise the implementation of mitigation
measures. |
Discuss with IEC on the proposed mitigation
measures; Ensure mitigation measures are properly
implemented; Assess the effectiveness of the implemented
mitigation measures. |
Inform the Supervising Officer and confirm
notification of the non-compliance in writing; Rectify unacceptable practice; Check all plant and equipment and consider
changes of working methods; Submit proposal of additional mitigation measures
to SO within 3 working days of notification and discuss with ET, IEC and SO; Implement the agreed mitigation measures. |
Limit
level being exceeded by one sampling day |
Repeat measurement on next day of exceedance to confirm findings; Identify source(s) of impact; Inform IEC, contractor, SO and EPD; Check monitoring data, all plant, equipment
and Contractor's working methods; Discuss mitigation measures with IEC, SO
and Contractor; |
Check monitoring data submitted by ET and
Contractor’s working method; Discuss with ET and Contractor on possible
remedial actions; Review the proposed mitigation measures
submitted by Contractor and advise the SO accordingly. |
Confirm receipt of notification of failure
in writing; Discuss with IEC, ET and Contractor on the
proposed mitigation measures; Request Contractor to review the working
methods. |
Inform the SO and confirm notification of
the non-compliance in writing; Rectify unacceptable practice; Check all plant and equipment and consider
changes of working methods; Submit proposal of mitigation measures to
SO within 3 working days of notification and discuss with ET, IEC and SO. |
Limit level being exceeded by two or more consecutive sampling
days |
Repeat measurement on next day of exceedance to confirm findings; Identify
source(s) of impact; Inform IEC, contractor, SO and EPD; Check monitoring data, all plant, equipment
and Contractor's working methods; Discuss mitigation measures with IEC, SO and Contractor; Ensure
mitigation measures are implemented; Increase the
monitoring frequency to daily until no exceedance of Limit level for two
consecutive days; |
Check monitoring data submitted by ET and
Contractor’s working method; Discuss with ET and Contractor on possible
remedial actions; Review the Contractor’s mitigation measures
whenever necessary to assure their effectiveness and advise the SO
accordingly; Supervise the implementation of 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; Ensure mitigation measures are properly
implemented; Consider and instruct, if necessary, the
Contractor to slow down or to stop all or part of the construction activities
until no exceedance of Limit level. |
Take immediate action to avoid further exceedance; Submit proposal of mitigation measures to
SO within 3 working days of notification and discuss with ET, IEC and SO; Implement the agreed mitigation measures; Resubmit proposals of mitigation measures
if problem still not under control; As directed by the Supervising Officer, to
slow down or to stop all or part of the construction activities until no exceedance of Limit level. |
Event /
Action Plan for Underwater Construction Noise
Event |
Action |
|||
ET Leader |
IEC |
ER |
Contractor |
|
Action level triggered |
1. Inform
the IEC, ER and Contractor; 2. Advise
Contractor of dolphin protection zone coverage. 3. Continue
to monitor underwater noise level. |
1.
Check monitoring data submitted by ET. |
1.
Inform Contractor. |
1. Review
the piling sequence or method; 2. Implement
the mitigation measure to lower the underwater noise level to below action
limit within 30 minutes; 3. Implement
protection zone. 4. Closely liaise with the ET on the progress. |
Limit level triggered |
1. Instruct the Contractor to stop construction work; 2. Inform the IEC and ER; 3. Discuss with IEC, ER and Contractor on noise
reduction proposal; 4. Assess effectiveness of Contractor’s proposal and
keep IEC and ER informed. |
1.
Check monitoring data submitted by ET. 2.
Discuss amongst ER, ET and Contractor on
the potential remedial actions. |
1.
Review the proposal by Contractor; 2.
Make agreement on the measures to be
implemented. |
1.
Stop construction work 2.
Inform the ER 3.
Review the piling sequence or method in
order to reduce the underwater noise levels to no higher than 170 dB. 4.
Submit noise reduction proposal to the
ER for endorsement. 5.
Implement the agreed measures. 6.
Re-submit proposals if problem still not
under control; 7.
Stop the relevant portion of works as
determined by the ER until the exceedance is abated |
Event Action Plan for Dolphin Monitoring
Event |
ET Leader |
IEC |
ER
/ SOR |
Contractor |
Action
Level |
1.
Repeat statistical data
analysis to confirm findings. 2.
Review all available and
relevant data, including raw data and statistical analysis results of other
parameters covered in the EM&A, to ascertain if differences are as a
result of natural variation or previously observed seasonal differences. 3.
Identify source(s) of
impact. 4.
Inform the IEC, ER/SOR
and Contractor, 5.
Check monitoring data. 6.
Review to ensure all the
dolphin protective measure are fully and properly implemented and advise on
additional measures if necessary. |
1.
Check monitoring data
submitted by ET and Contractor. 2.
Discuss monitoring
results and findings with the ET and the Contractor. |
1. Discuss
monitoring data with the IEC and any other measures proposed by the ET. 2.
If ER/SOR is satisfied
with the proposal of any other measures, ER/SOR to signify the agreement in
writing on the measures to be implemented. |
1.
Inform the ER/SOR and confirm notification of the non-compliance in writing. 2.
Discuss with the ET and
the IEC to propose measures to the IEC and the ER/SOR. 3.
Implement the agreed
measures. |
Event |
ET
Leader |
IEC |
ER /
SOR |
Contractor |
Limit
Level |
1.
Repeat statistical data
analysis to confirm findings. 2.
Review all available and
relevant data, including raw data and statistical analysis results of other
parameters covered in the EM&A, to ascertain if differences are as a
result of natural variation or previously observed seasonal differences. 3.
Identify source(s) of
impact. 4.
Inform the IEC, ER/SOR
and Contractor of findings, 5.
Check monitoring data. 6.
Repeat reviewing to
ensure all the dolphin protective measure are fully and properly implemented
and advise on additional measures if necessary. 7.
If the ET proves that the
source of impact is caused by any of the construction activity by the works
contract, the ET to arrange a meeting to discuss with IEC, ER/SOR and
Contractor for necessity of additional dolphin monitoring, and/or any other
potential mitigation measures (eg, consider to
modify the perimeter silt curtain or consider to control/temporarily stop
relevant construction activities…etc), and submit to the IEC a proposal of
additional dolphin monitoring and/or mitigation measures where necessary. |
1. Check monitoring data submitted by ET and Contractor; 2. Discuss monitoring results and findings with the ET and the
Contractor; 3. Attend the meeting to discuss with ET, ER/SOR and
Contractor the necessity of additional dolphin monitoring and other potential
mitigation measures. 4. Review proposals for additional monitoring and any other mitigation
measures submitted by ET and Contractor, and advise ER/SOR of the results and
findings accordingly. 5. Supervise / Audit the implementation of additional
monitoring and/or any other mitigation measures, and advise ER/SOR of the
results and findings accordingly. |
1. Attend
the meeting to discuss with ET, IEC and Contractor the necessity of
additional dolphin monitoring and any other potential mitigation measures. 2. If
ER/SOR is satisfied with proposals for additional dolphin monitoring and/or
any other mitigation measures submitted by the ET and Contractor and verified
by the IEC, ER/SOR to signify the agreement in writing on such proposals and
any other mitigation measures. 3. Supervise the implementation of additional monitoring
and/or any other mitigation measures. |
1. Inform the ER/SOR and confirm notification of the non-compliance in writing;
2. Attend the meeting to discuss with ET, IEC and ER/SOR the
necessity of additional dolphin monitoring and any other potential mitigation
measures. 3. Jointly submit with ET to IEC a proposal of additional
dolphin monitoring and/or any other mitigation measures when
necessary. 4. Implement the agreed additional dolphin monitoring and/or any other mitigation measures. |
Event and Action Plan on Dolphin Movement and
Behaviour
EVENT |
ACTION |
|||
ET Leader |
IEC |
SO |
Contractor |
|
Action Level With the numerical values presented in Tables 7.1-7.2 of Baseline Environmental Monitoring Report, any of the response variable for dolphin movement patterns (speed,
inter-breath interval, reorientation rate & linearity) and behaviour
(proportion of time spent in each behavioural state) recorded in the
construction phase monitoring is 20%
higher or lower than that recorded in the baseline monitoring, action
level should be triggered |
1. Repeat statistical
data analysis to confirm findings; 2. Review all
available and relevant data to ascertain if differences are as a result of
natural variation or seasonal differences; 3. Identify source(s) of impact; 4. Inform the IEC, SO
and Contractor; 5. Check monitoring data; 6. Carry out audit to
ensure all dolphin protective measures are implemented fully and additional
measures be proposed if necessary |
1. Check monitoring
data submitted by ET and Contractor; 2. Discuss monitoring
with the ET and the Contractor; |
1. Discuss with the
IEC the repeat monitoring and any other measures proposed by the ET; 2. Make agreement on
measures to be implemented. |
1. Inform the SO 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 SO; 3. Implement the
agreed measures. |
Limit Level With the numerical values presented in Tables 7.1-7.2 of Baseline Environmental Monitoring Report, any of the response variable for dolphin movement patterns (speed,
inter-breath interval, reorientation rate & linearity) and behaviour
(proportion of time spent in each behavioural state) recorded in the
construction phase monitoring is 40%
higher or lower than that recorded in the baseline monitoring, limit
level should be triggered |
1. Repeat statistical
data analysis to confirm findings; 2. Review all
available and relevant data to ascertain if differences are as a result of
natural variation or seasonal differences; 3. Identify source(s) of impact; 4. Inform the IEC, SO
and Contractor; 5. Check monitoring data; 6. Carry out audit to
ensure all dolphin protective measures are implemented fully and additional
measures be proposed if necessary 7. Discuss additional
dolphin monitoring and any other potential mitigation measures (e.g. consider
to temporarily stop relevant portion of construction activity) with the IEC
and Contractor. |
1. Check monitoring
data submitted by ET and Contractor; 2. Discuss monitoring
with the ET and the Contractor; 3. Review proposals
for additional monitoring and any other measures submitted by the Contractor
and advise ER accordingly. |
1. Discuss with the
IEC the repeat monitoring and any other measures proposed by the ET; 2. Make agreement on
measures to be implemented. |
1. Inform the SO 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 SO; 3. Implement the
agreed measures. |
Abbreviations: ET – Environmental
Team, IEC – Independent Environmental Checker, SO – Supervising Officer
Event and Action Plan on Dolphin
Acoustic Behaviour
EVENT |
ACTION |
|||
ET Leader |
IEC |
SO |
Contractor |
|
Action Level With the
numerical values presented in Table 8.1 of Baseline Environmental Monitoring Report, when any
of the response variable for dolphin acoustic behaviour recorded in the
construction phase monitoring is 20%
lower or higher than that recorded in the baseline monitoring, or when
there is a shift of 3 hours or more
in peak occurrence at B2 Site (i.e. 00:00 – 01:00), the action level should
be triggered |
1. Repeat
statistical data analysis to confirm findings; 2. Review
all available and relevant data to ascertain if differences are as a result
of natural variation or seasonal differences; 3. Identify source(s) of impact; 4. Inform
the IEC, SO and Contractor; 5. Check monitoring data; 6. Carry
out audit to ensure all dolphin protective measures are implemented fully and
additional measures be proposed if necessary |
1. Check
monitoring data submitted by ET and Contractor; 2. Discuss
monitoring with the ET and the Contractor; |
1. Discuss
with the IEC the repeat monitoring and any other measures proposed by the ET;
2. Make
agreement on measures to be implemented. |
1. Inform
the SO 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 SO; 3.
Implement the agreed measures. |
Limit Level With the
numerical values presented in Table 8.1 of Baseline Environmental Monitoring Report, when any
of the response variable for dolphin acoustic behaviour recorded in the
construction phase monitoring is 40%
lower or higher than that recorded in the baseline monitoring, or when
there is a shift of 6 hours or more
in peak occurrence at B2 Site (i.e. 00:00 – 01:00), the limit level should be
triggered |
1. Repeat
statistical data analysis to confirm findings; 2. Review
all available and relevant data to ascertain if differences are as a result
of natural variation or seasonal differences; 3. Identify source(s) of impact; 4. Inform
the IEC, SO and Contractor; 5. Check monitoring data; 6. Carry
out audit to ensure all dolphin protective measures are implemented fully and
additional measures be proposed if necessary 7. Discuss
additional dolphin monitoring and any other potential mitigation measures
(e.g. consider to temporarily stop relevant portion of construction activity)
with the IEC and Contractor. |
1. Check
monitoring data submitted by ET and Contractor; 2. Discuss
monitoring with the ET and the Contractor; 3. Review
proposals for additional monitoring and any other measures submitted by the
Contractor and advise ER accordingly. |
1. Discuss
with the IEC the repeat monitoring and any other measures proposed by the ET;
2. Make
agreement on measures to be implemented. |
1. Inform
the SO 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 SO; 3.
Implement the agreed measures. |
Abbreviations:
ET – Environmental Team, IEC – Independent Environmental Checker, SO –
Supervising Officer