Event/Action Plan for Air Quality

Appendix L - Event Action Plans

Event/Action Plan for Air Quality

EVENT	ACTION
ACTION LEVEL
1. Exceedance for one sample	1. Identify source 2. Inform ER & IEC 3. Repeat measurement to confirm finding 4. Increase monitoring frequency to daily	1. Check monitoring data submitted by ET 2. Check Contractor’s working methods	1. Notify Contractor 2. Check monitoring data and Contractor’s working methods	1. Rectify any unacceptable practice 2. Amend working methods if appropriate
2. Exceedance for two or more consecutive samples	1. Identify source 2. Inform ER & IEC 3. Repeat measurement to confirm findings 4. Increase monitoring frequency to daily 5. Discuss with ER & for remedial actions required 6. If exceedance continues, arrange meeting with ER & IEC 7. If exceedance stops, cease additional monitoring	1. Checking monitoring data submitted by ET 2. Check Contractor’s working methods 3. Discuss with ET and Contractor on possible remedial measure 4. Advise the ER & ET on the effectiveness of the proposed remedial measures 5. Supervise the implementation of the remedial measures	1. Confirm receipt of notification of failure in writing 2. Notify Contractor 3. Check Contractor’s working methods 4. Discuss with ET, IEC and Contractor on proposed remedial actions 5. Ensure remedial actions properly implemented	1. Submit proposals for remedial actions to ER within 3 working days of notification 2. Implement the agreed proposals 3. Amend proposal if appropriate
LIMIT LEVEL
1. Exceedance for one sample	1. Identify source 2. Inform ER & IEC and EPD 3. Repeat measurement to confirm finding 4. Increase monitoring frequency to daily 5. Assess effectiveness of Contractor’s remedial actions and keep EPD and ER & IEC informed of the results	1. Checking monitoring data submitted by ET 2. Check Contractor’s working methods 3. Discuss with ET and Contractor on possible remedial measure 4. Advise the ER & ET on the effectiveness of the proposed remedial measures 5. Supervise the implementation of the remedial measures	1. Confirm receipt of notification of failure in writing 2. Notify Contractor 3. Check Contractor’s working methods 4. Discuss with ET, IEC and Contractor on proposed remedial actions 5. Ensure remedial actions properly implemented	1. Take immediate action to avoid further exceedance 2. Submit proposals for remedial actions to ER 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. Identify source 2. Inform ER, IEC, Contractor and EPD the cause & actions taken for the exceedances 3. Repeat measurement to confirm findings 4. Increase monitoring frequency to daily 5. Investigate the causes of exceedance 6. Carry out analysis of contractor’s working procedures to determine possible mitigation to be implemented. 7. Arrange meeting with EPD, IEC and ER to discuss the remedial actions to be taken 8. Assess effectiveness of Contractor’s remedial actions and keep EPD and ER & IEC informed of the results 9. If exceedance stops, cease additional monitoring	1. Checking monitoring data submitted by ET 2. Discuss amongst ER, ET and Contractor on possible remedial measures 3. Review Contractor’s remedial measures whenever necessary to ensure their effectiveness and advise the ER accordingly 4. Supervise the implementation of the remedial measures	1. Confirm receipt of notification of failure in writing 2. Notify Contractor 3. Carry out analysis of Contractor’s working procedures to determine possible mitigation to be implemented 4. Discuss amongst ET, IEC and the Contractor on proposed remedial actions 5. In consultation with IEC, agree with the contractor remedial measures to be implemented 6. Ensure remedial measure are properly implemented 7. 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, ER 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 ER until the exceedance is abated

EVENT

ACTION

IEC

Contractor

ACTION LEVEL

1. Exceedance

for one sample

1. Identify source

2. Inform ER & IEC

3. Repeat measurement

to confirm finding

4. Increase monitoring

frequency to daily

1. Check monitoring data

submitted by ET

2. Check Contractor’s

working methods

1. Notify Contractor

2. Check monitoring data

and Contractor’s

working methods

1. Rectify any

unacceptable practice

2. Amend working

methods if appropriate

2. Exceedance for

two or more

consecutive

samples

1. Identify source

2. Inform ER & IEC

3. Repeat measurement

to confirm findings

4. Increase monitoring

frequency to daily

5. Discuss with ER & for

remedial actions

required

6. If exceedance

continues, arrange

meeting with ER &

IEC

7. If exceedance stops,

cease additional

monitoring

1. Checking monitoring

data submitted by ET

2. Check Contractor’s

working methods

3. Discuss with ET and

Contractor on possible

remedial measure

4. Advise the ER & ET

on the effectiveness of

the proposed remedial

measures

5. Supervise the

implementation of the

remedial measures

1. Confirm receipt of

notification of failure in

writing

2. Notify Contractor

3. Check Contractor’s

working methods

4. Discuss with ET, IEC

and Contractor on

proposed remedial

actions

5. Ensure remedial actions

properly implemented

1. Submit proposals for

remedial actions to

ER within 3 working

days of notification

2. Implement the agreed

proposals

3. Amend proposal if

appropriate

LIMIT LEVEL

1. Exceedance for

one sample

1. Identify source

2. Inform ER & IEC and

EPD

3. Repeat measurement

to confirm finding

4. Increase monitoring

frequency to daily

5. Assess effectiveness

of Contractor’s

remedial actions and

keep EPD and ER &

IEC informed of the

results

1. Checking monitoring

data submitted by ET

2. Check Contractor’s

working methods

3. Discuss with ET and

Contractor on possible

remedial measure

4. Advise the ER & ET

on the effectiveness of

the proposed remedial

measures

5. Supervise the

implementation of the

remedial measures

1. Confirm receipt of

notification of failure in

writing

2. Notify Contractor

3. Check Contractor’s

working methods

4. Discuss with ET, IEC

and Contractor on

proposed remedial

actions

5. Ensure remedial actions

properly implemented

1. Take immediate action

to avoid further

exceedance

2. Submit proposals for

remedial actions to

ER 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. Identify source

2. Inform ER, IEC,

Contractor and EPD

the cause & actions

taken for the

exceedances

3. Repeat measurement

to confirm findings

4. Increase monitoring

frequency to daily

5. Investigate the causes

of exceedance

6. Carry out analysis of

contractor’s working

procedures to

determine possible

mitigation to be

implemented.

7. Arrange meeting with

EPD, IEC and ER to

discuss the remedial

actions to be taken

8. Assess effectiveness

of Contractor’s

remedial actions and

keep EPD and ER &

IEC informed of the

results

9. If exceedance stops,

cease additional

monitoring

1. Checking monitoring

data submitted by ET

2. Discuss amongst ER,

ET and Contractor on

possible remedial

measures

3. Review Contractor’s

remedial measures

whenever necessary to

ensure their

effectiveness and

advise the ER

accordingly

4. Supervise the

implementation of the

remedial measures

1. Confirm receipt of

notification of failure in

writing

2. Notify Contractor

3. Carry out analysis of

Contractor’s working

procedures to determine

possible mitigation to

be implemented

4. Discuss amongst ET,

IEC and the Contractor

on proposed remedial

actions

5. In consultation with

IEC, agree with the

contractor remedial

measures to be

implemented

6. Ensure remedial

measure are properly

implemented

7. 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, ER 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 ER

until the exceedance is

abated

Event/Action Plan for Construction Noise

Exceedance

ACTION

IEC

Contractor

Action Level

1. Discuss with the IEC

and ER and seek to

identify potential

noise source

1. Review the

analyzed results

submitted by the

1. Confirm receipt

of notification of

complaint and

notify Contractor

immediately

1. Submit proposals for

remedial actions to ER

within three working

days of notification

2. Undertake noise

measurement to

confirm the validity of

complaint

2. Review the

proposed remedial

measures by the

Contractor and

advise the ER &

ET accordingly

2. Check monitoring

data trends and

Contractor’s

working methods

2. Amend proposals if

required by the

Engineer

3. Inform ER&IEC in

writing Discuss

remedial actions

required with

ER&IEC if an

exceedance is

recorded

3. Supervise the

implementation of

remedial measures

3. Remind the

Contractor of his

contractual

obligations and

discuss with ET,

IEC and Contractor

on proposed

remedial actions

3. Implement the

remedial actions

immediately upon

instruction

4. Increase monitoring

frequency to

demonstrate efficacy

of remedial measures

4. Assess the

efficacy of

remedial actions

and keep the

Contractor

informed

4. Liaise with the ER to

optimize the

effectiveness of the

agreed mitigation

5. If exceedance

continues, meet with

ER&IEC to review

implementation of

appropriate mitigation

measures

5. Inform complainant

of actions taken

5. Amend proposal if

appropriate

6. If exceedance stops,

cease additional

monitoring

Exceedance	ACTION
Limit Level	1. Repeat measurement to confirm findings	1. Check monitoring data submitted by ET	1. Confirm receipt of notification of exceedance and notify Contractor	1. Take immediate action to avoid further exceedance
	2. Investigate the cause of the exceedance and identify the main source(s) of impact	2. Review Contractor’s remedial actions to assure their effectiveness and advise the ER &ET accordingly	2. Check monitoring data trends and Contractor’s working methods	2. Submit proposals for remedial actions to ER immediately not more than 3 working days of notification
	3. Inform ER&IEC and EPD in writing	3. Supervise the implementation of the remedial measures	3. Discuss with ET, IEC and Contractor on proposed remedial actions to be implemented	3. Amend proposals if required by the ER
	4. Discuss remedial actions required with ER&IEC		4. Assess the efficacy of remedial actions and keep the Contractor informed	4. Implement remedial actions immediately upon instruction
	5. Increase monitoring frequency to demonstrate efficacy of remedial measures		5. If exceedance continuous, consider what portion of the work is responsible and instruct the Contractor to stop that portion of work until the exceedance is aborted	5. Liaise with the ER to optimize the effectiveness of the agreed mitigation
Limit Level	6. Assess efficacy of remedial actions and keep ER & IEC informed of the results			6. Resubmit proposals if problem still not under control
	7. If exceedance continues, meet with ER&IEC to identify appropriate mitigation measures 8. If exceedance stops, cease additional monitoring			7. Stop the relevant portion of works as determined by the ER until the exceedance is aborted

Exceedance

ACTION

IEC

Contractor

Limit Level

1. Repeat

measurement to

confirm findings

1. Check

monitoring data

submitted by ET

1. Confirm receipt of

notification of

exceedance and

notify Contractor

1. Take immediate

action to avoid

further exceedance

2. Investigate the

cause of the

exceedance and

identify the main

source(s) of

impact

2. Review

Contractor’s

remedial actions

to assure their

effectiveness and

advise the ER

&ET accordingly

2. Check monitoring

data trends and

Contractor’s

working methods

2. Submit proposals for

remedial actions to

ER immediately not

more than 3 working

days of notification

3. Inform ER&IEC

and EPD in

writing

3. Supervise the

implementation

of the remedial

measures

3. Discuss with ET,

IEC and

Contractor on

proposed remedial

actions to be

implemented

3. Amend proposals if

required by the ER

4. Discuss remedial

actions required

with ER&IEC

4. Assess the efficacy

of remedial actions

and keep the

Contractor

informed

4. Implement remedial

actions immediately

upon instruction

5. Increase

monitoring

frequency to

demonstrate

efficacy of

remedial

measures

5. If exceedance

continuous,

consider what

portion of the

work is

responsible and

instruct the

Contractor to stop

that portion of

work until the

exceedance is

aborted

5. Liaise with the ER to

optimize the

effectiveness of the

agreed mitigation

Limit Level

6. Assess efficacy

of remedial

actions and keep

ER & IEC

informed of the

results

6. Resubmit proposals

if problem still not

under control

7. If exceedance

continues, meet

with ER&IEC to

identify

appropriate

mitigation

measures

8. If exceedance

stops, cease

additional

monitoring

7. Stop the relevant

portion of works as

determined by the

ER until the

exceedance is

aborted