Event and Action Plan for Air Quality
EVENT |
ACTION |
|||
ET |
IEC |
ER |
CONTRACTOR |
|
ACTION
LEVEL |
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1. Exceedance
for one sample |
1. Identify
source, investigate the cause of exceedance and
propose remedial measures; 2. Inform
IEC and ER; 3. Repeat
measurement to confirm finding; 4. Increase
monitoring frequency to daily, if ET assessment indicates that exceedance
is due to contractor’s construction works. |
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, investigate the cause of exceedance and
propose remedial measures; 2. Inform
IEC and ER; 3. Repeat
measurements to confirm findings; 4. Increase
monitoring frequency to daily, if ET assessment indicates that exceedance
is due to contractor’s construction works; 5.
Discuss with IEC and Contractor on remedial actions
required; 6. If
exceedance continues, arrange meeting with IEC and
ER; 7. 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 ER on the effectiveness of the proposed remedial measures; 5. Supervise
Implementation of remedial measures. |
1. Confirm receipt of
notification of exceedance in writing; 2. Notify
Contractor; 3. Ensure
remedial measures properly implemented. |
1. Submit proposals for remedial
actions to IEC within three working days of notification; 2. Implement the agreed proposals; 3. Amend proposal if appropriate. |
LIMIT LEVEL |
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1. Exceedance
for one sample |
1. Identify source, investigate the
cause of exceedance and propose remedial measures; 2. Inform IEC, ER and EPD; 3. Repeat measurement to confirm
finding; 4. Increase monitoring frequency to
daily, if
ET assessment indicates that exceedance is due to
contractor’s construction works; 5. Assess effectiveness of
Contractor’s remedial actions and keep IEC, ER and EPD 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 ER on the effectiveness of the proposed remedial measures; 5. Supervise
implementation of remedial measures. |
1. Confirm
receipt of notification of exceedance 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 three working days of
notification; 3. Implement
the agreed proposals; 4. Amend
proposal if appropriate. |
2. Exceedance
for two or more consecutive samples |
1. Notify
Contractor, IEC, ER and EPD; 2. Identify
source, investigate the cause of exceedance and
propose remedial measures; 3. Repeat
measurement to confirm findings; 4. Increase
monitoring frequency to daily, if ET assessment indicates that exceedance
is due to contractor’s construction works; 5. Carry
out analysis of Contractor’s working procedures to determine possible
mitigation to be implemented; 6. Arrange
meeting with IEC and ER to discuss the remedial actions to be taken; 7. Assess
effectiveness of Contractor’s remedial actions and keep IEC, ER and EPD
informed of the results; 8. If
exceedance stops, cease additional monitoring. |
1. Discuss
amongst ER, ET, and Contractor on the potential remedial actions; 2. Review
Contractor’s remedial actions 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
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 three 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 ER until the exceedance
is abated. |