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 |
|||
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 |