Event / Action Plan
for Air Quality
EVENT |
ACTION |
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ET |
IEC |
SO |
CONTRACTOR |
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ACTION LEVEL |
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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. |
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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 |
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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. |
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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. |
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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 |
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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 |