1.
Introduction
1.1
Background
1.1.1
An
Environmental Impact Assessment (EIA) has been conducted for the proposed
Headquarters and Bus Maintenance Depot at Chai Wan East Industrial Area, Chai
Wan. Figure 1-1 shows the location of the development site.
1.1.2
Based
on the assessment results, a number of mitigation measures have been
recommended if necessary for implementation during the construction phase of
the bus depot development. In
accordance with the requirements under Sections 4 to 6 of the EIA Study Brief,
this Environmental Management Plan (EMP) has been prepared to cover the
Environmental Monitoring and Audit (EM&A) requirements and Environmental
Management System (EMS).
1.1.3
As
part of the EIA study, this EMP was prepared by CH2M HILL (China) Limited,
formerly named as EHS Consultants Limited. The first section of this EMP
describes the EM&A activities recommended to be carried out during the
construction phase of the development project in accordance with the
requirements under Section 6 of the EIA Study Brief. The second part of this EMP presents the project proponent’s
proposal on the setting up of an Environmental Management System (EMS).
1.1.4
The
EM&A programme will be useful in providing a means to verify the
effectiveness and adequacy of the mitigation measures recommended in the EIA
such that additional mitigation measures or remedial action, if deemed
necessary, can be formulated during the construction phase of the development.
The recommended EM&A programme is to be carried out by an Environmental
Team (ET) formed before the commencement of the construction works.
1.1.5
The
EM&A requirements presented in this EMP provide systematic procedures for
the carrying out of recommended monitoring and auditing works for checking of
potential environmental impacts which may arise from the implementation of the
project. Mitigation measures
recommended in the EIA Report for each key environmental aspect during the
construction phase are also summarised and presented in this Manual. Operational phase environmental control or
mitigation measures are also included in the Implementation Schedule presented
in Appendix I.
1.1.6
To
ensure that the relevant environmental issues are taken into account during the
operational phase of the development, an EMS is proposed for implementation.
1.1.7
Environmental
regulations currently enforced in Hong Kong pertaining to air quality, noise
and waste, etc. and the recommendations given in the EIA report have been
observed in the preparation of this EMP.
2.
Environmental monitoring and Audit Requirements
2.1
Objectives of the EM&A Programme
2.1.1
The main objectives of the EM&A
programme include:
(i)
to provide a database on baseline environmental quality for
subsequent checking of any environmental impacts arising from the implementation
of the project;
(ii)
to provide information at an early stage for identification of
potential problem areas and formulation of additional environmental mitigation
measures where necessary should any of the environmental control measures or
practices fail to achieve the target standards;
(iii)
to monitor the performance of the project from an
environmental viewpoint and the sufficiency and effectiveness of the
implemented mitigation measures;
(iv)
to verify the environmental impacts predicted in the EIA for
the bus depot;
(v)
to determine project compliance with relevant regulatory
standards, requirements and guidelines;
(vi)
to take remedial action should unexpected problems or
unacceptable impacts are identified;
(vii) to
provide baseline and compliance monitoring data to assist the carrying out of
effective environmental audits.
2.2
Content of the EM&A Manual
2.2.1
The recommended EM&A programme in Section 2 of this EMP,
referred to as the EM&A Manual, contains the following information:
(i)
duties of the Environmental Team (ET) in the environmental
monitoring and audit programme;
(ii)
information on project organisation, construction schedule and
activities;
(iii)
information on the preliminary construction programme and the
necessary environmental monitoring and audit programme to track the varying environmental
impacts;
(iv)
definition of Action and Limit levels, and establishment of
Event and Action Plans;
(v)
requirements of reviewing pollution sources and work
procedures in the event of non-compliance of the environmental criteria;
(vi)
requirements in presentation of EM&A data and appropriate
reporting procedures;
(vii) an
Implementation Schedule (Appendix I) of the environmental mitigation measures
recommended in the EIA report;
(viii)
record forms (Appendix II) to be adopted where
applicable during the construction phase of the project.
2.2.2
The EM&A Manual shall be regarded as an evolving document
that should be updated when necessary in order to maintain its relevance during
the detailed design stage and/or the construction phase (e.g. when alternative
monitoring locations are proposed). The
updated EM&A Manual shall be submitted to the ER and EPD for agreement.
2.3
Project Description
The Subject Site and Its
Environs
2.3.1
The
proposed bus depot will be constructed on an approximately 1 hectare site
located in the Chai Wan East Industrial Area. Figure 1-1 shows the location of
the site.
2.3.2
The
site was reclaimed and is zoned for industrial use (“I”) similar to its
surrounding reclaimed area as shown in the Outline Zoning Plan (OZP) No.
S/H20/11. According to the Notes of the
OZP, “Bus Depot” is a column 1 use that no planning permission from the Town
Planning Board is required. Figure 2-1 presents
an Extract of the OZP.
2.3.3
Located
at an approximate minimum distance of 80m to the North-west of the future bus
depot is Hong Kong Institute of Vocational Education (IVE) (Chai Wan). Lying between the college and the bus depot
site are the MTR railway tracks leading to the Chai Wan Station to the south
and Shing Tai Road. To the immediate North of IVE is its associated Staff Quarters. The nearest residential block at Tsui Wan
Estate is situated at more than 165m to the South-west of the site. The nearest
residential block at Heng Fa Chuen is located at approximately 390m to the
north of the site.
2.3.4
Planning
Department (PlanD) has advised that in addition to the proposed bus depot, the
Chai Wan East Industrial Area is also planned to accommodate an Open Space, a
Joint Government Departmental Depot, Lorry Park & Motor Vehicle Repair
Workshop, New World First Bus Depot, LPG/ Petrol Filling Station and Hong Kong
Post Super Centre. The northern side of
the site is planned by the Government for the development of a LPG/ petrol
filling station, while the southern side of the site would be HK Post
Supercentre. Only the NWFB depot situated
near Chong Fu Road and located at about 135m from the proposed bus depot is
under active construction and is expected to be completed by year 2002.
According to PlanD, all other proposed developments in the area are currently
still at a planning stage without a concrete development programme.
2.3.5
The
proposed Citybus depot will be bound by a future local road – Road 20/4 to the
East and Shing Tai Road to the west.
Other future new roads in the Chai Wan East Industrial Area include Road
20/6 and Road 20/10 as shown in Figure 1-1.
Highways Department (HyD) has advised that the three new roads – 20/4,
20/6 and 20/10 are expected to be completed in December 2002.
Bus Depot Design &
Construction Programme
2.3.6
The
proposed bus depot will be in form of a low-rise building occupying a site area
of approximately 1 hectare. The bus
depot will occupy the G/F to 3/F of the development. 4/F and 5/F will be office areas and constructed as an extension
on the side of the site facing Road 20/4. The development will provide spaces
for bus parking, maintenance and office areas.
Architectural design of the development have been developed by the
Project Architect – LCP, with input on the engineering, traffic and
environmental aspects provided by the sub-consultants.
2.3.7
To
meet the urgent bus depot demand, construction works are planned to commence
near end of 2001 to have the bus depot ready for operation in mid-2003. Figure 2-2 presents a tentative construction
programme of the depot development. The Environmental Team (ET) Leader shall
make reference to the actual works programme make available by the appointed
Contractor in scheduling the EM&A works.
2.4
Sensitive
Receivers
2.4.1
Existing sensitive receivers located in the vicinity of the
project site that might be potentially affected by the construction works of
the site formation project were identified and described in the EIA
Report. These sensitive receivers
include:
§
Hong Kong Institute of Vocational Education (IVE) (Chai
Wan);
§
Staff Quarters of IVE (Chai Wan);
§
Tsui Wan Estate – nearest block is Tsui Sau House;
§
Heng Fa Chuen – nearest block is Block 50
2.5
Project
Organisation
2.5.1
The key parties in an EM&A programme include the
Contractor, the Engineer[1]
or the Engineer’s representative (ER)1, the Environmental Team (ET),
the Independent Checker (Environment) (IC(E)) and Environmental Protection
Department (EPD).
Environmental Team
2.5.2
An ET shall be appointed to carry out the EM&A works of
the site formation project. The ET shall not be an associated company of the
Contractor. The ET leader
shall plan, organise and manage the implementation of the EM&A programme,
and to ensure that the EM&A works are undertaken to the required
standards. The ET leader shall have
relevant professional qualification and sufficient experience in carrying out
the EM&A works.
2.5.3
Appropriately qualified staff shall be included in the
ET. The ET shall be under the
supervision of the ET Leader in fulfilling the EM&A duties specified in
this Manual. The board categories of woks of the ET comprise the followings:
(a) sampling,
analysis and statistical evaluation of monitoring parameters with reference to
the EIA/EA study recommendations and requirements;
(b) environmental
site surveillance;
(c) audit of
compliance with environmental protection, and pollution prevention and control
regulations;
(d) monitor the
implementation of environmental mitigation measures;
(e) monitor
compliance with the environmental protection clauses/specifications in the
Contract;
(f) review
construction programme and comment as necessary;
(g) review
construction methodology and comment as necessary;
(h) complaint
investigation, evaluation and identification of corrective measures;
(i) liaison
with IC(E) on all environmental performance matters, and timely submission of
all relevant EM&A proforma for IC(E)’s approval;
(j) advice
to the Contractor on environmental improvement, awareness, enhancement matters,
etc., on site; and
(k) timely
submission of the EM&A report to the Project Proponent and the Director of
Environmental Protection.
2.5.4
In the event of an exceedance in action/ limit levels, the ET
shall immediately inform the IC(E) and Engineer/ ER so that appropriate
remedial action can be undertaken by the Contractor promptly notified by ER.
The ET is also responsible for the preparation of the monthly EM&A reports
for submission to the IC(E), the Contractor and the Engineer/ ER, and through
the Engineer/ ER to EPD. The ET shall
assist the Contractor and the Engineer/ ER in formulating any necessary
corrective actions and/ or additional mitigation measures, and liasing with
relevant Government Departments where necessary.
Independent Checker
(Environment)
2.5.5
The Independent Checker (Environment) (IC(E)) shall advise the
ER on environmental issues related the project. The role of the Checker shall
be independent from the management of construction works; but the Checker shall
be empowered to audit the environmental performance of construction. The
Checker shall have project management experience in addition to the
requirements of the ET leader. The appointment of the Checker is subject to the
approval of the ER.
2.5.6
The main duty of the IC(E) is to carry out environmental audit
of the construction project; this shall include, inter alia, the followings:
(a) review and audit all aspects of the EM&A programme;
(b) validate and confirm the accuracy of monitoring results;
monitoring equipment, monitoring locations, monitoring procedures and locations
of sensitive receivers;
(c) carry out random sample check and audit on monitoring
data and sampling procedures, etc;
(d) conduct random site inspection;
(e) audit the EIA recommendations and requirements against
the status of implementation of environmental protection measures on site;
(f) review the effectiveness of environmental mitigation
measures and project environmental performance;
(g) on a needs basis, audit the Contractor’s construction
methodology and agree the least impact alternative in consultation with the ET
leader and the Contractor;
(h) check complaint cases and the effectiveness of
corrective measures;
(i) review EM&A report submitted by the ET leader; and
(j) feedback audit results to ET by signing off relevant
EM&A proformas.
The Contractor
2.5.7
The Contractor is responsible for providing requested information
to the ET in the event of any exceedance in the environmental criteria
specified in this Manual or other current environmental standards, and to
rectify unacceptable practices. The Contractor shall also discuss with the ET,
IC(E) and ER on any additional mitigation measures identified to be required by
the ET and implement the agreed measures to alleviate any identified
environmental impact to acceptable levels.
The Contractor shall submit proposals for remedial actions to IC(E), and
report to the ET on the actions taken targeting at environmental protection for
inclusion in the monthly report to be prepared by the ET.
The Engineer or the
Engineer’s Representative
2.5.8
The Engineer, or the ER shall be responsible for overseeing
the operations of the Contractor and the ET.
He shall advise, co-ordinate and give instruction when appropriate for
efficient implementation of any specific environmental mitigation measures
identified to be required by the contractor, and/or outstanding EM&A works
required to be carried out by ET in consultation with IC(E).
2.6
Construction
Dust Monitoring
Air
Quality Parameters
2.6.1
Monitoring and audit of Total Suspended Particulate (TSP)
levels shall be carried out by the ET during the proposed site formation
activities to ensure that deterioration of air quality could be detected and
timely action taken to rectify the situation.
2.6.2
24-hour and 1-hour Total Suspended Particulate (TSP) levels
shall be measured according to the recommended programme. 24-hour and 1-hour TSP levels shall be
measured by following the standard high volume sampling method as set out in
Title 40 of the Code of Federal Regulations, Chapter 1 (Part 50), Appendix
B.
2.6.3
Upon approval of the ER on the advice of EPD, 1-hour TSP
levels can alternatively be measured by direct reading methods which are
capable of producing comparable results as that by the high volume sampling
method, to indicate short event impacts. However, the ET should submit
sufficient information to the IC(E) to prove that the instrument is capable of
achieving a comparable result as that the HVS and maybe used for 1-hr sampling.
2.6.4
All relevant data including temperature, pressure, weather
conditions, elapsed-time meter reading for the start and stop of the sampler,
identification and weight of the filter paper, and other special phenomena and
work progress of the concerned site etc. shall be recorded down in details,
where appropriate. A sample data sheet
is shown in Figure 2-3.
Monitoring
Equipment
2.6.5
Regarding the high volume sampling method, high volume sampler
(HVS) in compliance with the following specifications or equivalence shall be
used :
a)
0.6-1.7 m3/min. (20-60 SCFM) adjustable flow range;
b)
equipped with a timing/control device with +/- 5 minutes
accuracy for 24 hours operation;
c)
installed with elapsed-time meter with +/- 2 minutes accuracy
for 24 hours operation;
d)
capable of providing a minimum exposed area of 406 cm2
(63 in2);
e)
flow control accuracy: +/- 2.5% deviation over 24-hr sampling
period;
f)
equipped with a shelter to protect the filter and sampler;
g)
incorporated with an electronic mass flow rate controller or
other equivalent devices;
h)
equipped with a flow recorder for continuous monitoring;
i)
provided with a peaked roof inlet;
j)
incorporated with a manometer;
k)
able to hold and seal the filter paper to the sampler housing
at horizontal position;
l)
easy to change the filter; and
m)
capable of operating continuously for 24-hr period.
2.6.6
A direct reading dust meter capable of achieving results
comparable to a HVS for 1-hr sampling with reading in the range of 0.1 - 100
mg/m3 can also be used for 1-hr sampling provided that the
instrument is to be calibrated against a traceable primary standard at regular
intervals. Sufficient information on
the direct reading dust meter shall be submitted to the ER to verify that the
instrument is suitable for the 1-hr sampling.
2.6.7
During execution of the construction works, the ET is
responsible for provision of the monitoring equipment. He shall ensure that
sufficient number of HVSs with an appropriate calibration kit, and direct
reading dust meters are available for the carrying out of baseline monitoring,
regular impact monitoring and ad hoc monitoring.
2.6.8
The HVSs shall be equipped with an electronic mass flow
controller and be calibrated against a traceable standard at regular
intervals. All the equipment,
calibration kit, filter papers, etc. shall be clearly labelled.
2.6.9
Initial calibration of HVSs shall be conducted upon
installation and thereafter at bi-monthly intervals. The transfer standard shall be traceable to the internationally
recognised primary standard and be calibrated annually. The calibration data shall be properly
documented for future reference by the concerned parties such as the
IC(E). All data should be converted
into standard temperature and pressure condition.
2.6.10
The flow-rate of the sampler before and after the sampling
exercise with the filter in position shall be verified to be constant and be
recorded down in the data sheet given in Figure 2-3.
2.6.11
Wind data monitoring equipment shall also be provided and set
up at a conspicuous location for logging wind speed and wind direction near to
the dust monitoring locations. The
location for equipment installation shall be proposed by the ET and agreed with
the ER. For installation and operation
of wind data monitoring equipment, the following points shall be observed:
a)
the wind sensors should be installed on masts at an elevated
level 10m above ground so that they are clear of obstructions or turbulence
caused by the buildings;
b)
the wind data should be captured by a data logger and to be
downloaded for processing at least once a month;
c)
the wind data monitoring equipment should be re-calibrated at
least once every six months; and
d)
wind direction should be divided into 16 sectors of 22.5
degrees each.
2.6.12
In exceptional situations, the ET may propose alternative
methods to obtain representative wind data upon approval from the ER and
agreement from the IC(E).
Laboratory
Measurement / Analysis
2.6.13
A clean laboratory with constant temperature and humidity
control, and equipped with necessary measuring and conditioning instruments, to
handle the dust samples collected, shall be available for sample analysis, and equipment
calibration and maintenance. The
laboratory should be HOKLAS accredited.
2.6.14
If a site laboratory is set up or a non-HOKLAS accredited
laboratory is hired for carrying out the laboratory analysis, the laboratory
equipment shall be approved by the ER in consultation with the IC(E) and the
measurement procedures shall be witnessed by the IC(E) and the ER. The ET shall provide the ER with one copy of
the Title 40 of the Code of Federal Regulations, Chapter 1 (Part 50), Appendix
B for his reference.
2.6.15
Filter paper of size 8”x10” shall be labelled before
sampling. It shall be a clean filter
paper with no pin holes, and shall be conditioned in a humidity controlled
chamber for over 24-hr and be pre-weighed before use for the sampling.
2.6.16
After sampling, the filter paper loaded with dust shall be
kept in a clean and tightly sealed plastic bag. The filter paper is then returned to the laboratory for
reconditioning in the humidity controlled chamber followed by accurate weighing
by an electronic balance with a readout down to 0.1 mg. The balance shall be regularly calibrated
against a traceable standard.
2.6.17
All the collected samples shall be kept in a good condition
for 6 months before disposal.
Proposed
Monitoring Location
2.6.18
The dust emission impact assessment presented in the EIA
report indicated that the nearby air sensitive receivers (ASRs) will not be
subject to adverse dust impact from the construction of the depot. Nevertheless, dust mitigation measures have
been recommended and shall be implemented by the Contractor in accordance with
the requirements under the Air Pollution Control (Construction Dust)
Regulation. The contractor shall be
responsible for the design and implementation of the dust mitigation measures.
2.6.19
Figure 2-4 shows the location of the proposed dust monitoring
station (at IVE – Chai Wan) recommended to check the implementation of the
required dust control measures by the Contractor. The Institute was identified
to be the nearest sensitive receiver situated in the vicinity of the
development site. The appointed ET may like to propose alternative monitoring
location taking into consideration the latest status, availability and/or
accessibility of the station. The alternative monitoring location proposed by
the ET shall be approved by the ER and agreed by IC(E).
2.6.20
When an alternative monitoring location is proposed, the
following criteria should be followed as far as practicable:
a)
at the site boundary or such locations close to the major dust
emission sources;
b)
close to the sensitive receptors; and
c)
take into account the prevailing meteorological conditions.
2.6.21
The ET shall agree with the ER in consultation with the IC(E)
on the position of the HVS for installation of the monitoring equipment. When
positioning the sampler, the following points shall be noted:
a)
a horizontal platform with appropriate support to secure the
samplers against gusty wind should be provided;
b)
the distance between the sampler and an obstacle, such as
buildings, must be at least twice the height that the obstacle protrudes above
the sampler;
c)
a minimum of 2 metres of separation from walls, parapets and
penthouses is required for rooftop samplers;
d)
a minimum of 2 metres separation from any supporting
structure, measured horizontally is required;
e)
no furnace or incinerator flue is nearby;
f)
airflow around the sampler is unrestricted;
g)
the sampler is more than 20 metres from the dripline;
h)
any wire fence and gate, to protect the sampler, should not
cause any obstruction during monitoring;
i)
permission must be obtained to set up the samplers and to
obtain access to the monitoring stations; and;
j)
a secured supply of electricity is needed to operate the
samplers.
Baseline Monitoring
2.6.22
Baseline monitoring shall be carried out by the appointed ET
at the recommended monitoring station for at least 14 consecutive days to
obtain daily 24-hr TSP samples before the commencement of any dusty
construction activities. 1-hr sampling
shall also be done at least 3 times per day during daytime when there are
planned construction activities. The ET should inform the IC(E) of the baseline
monitoring programme before commencement such that the IC(E) can conduct
on-site audit to ensure accuracy of the baseline monitoring results.
2.6.23
During the baseline monitoring, there should not be any dust
generating construction activities in the vicinity of the monitoring station
arising from the subject development site.
2.6.24
In case the baseline monitoring cannot be carried out at the
designated monitoring location during the baseline monitoring period, the ET
Leader shall carry out the monitoring at alternative location which can
effectively represent the baseline conditions at the impact monitoring
location. The alternative baseline
monitoring locations shall be approved by the ER and agreed with IC(E).
2.6.25
If the ET considers that the ambient conditions have been
changed and a repeat of the baseline monitoring is required to be carried out
for obtaining the updated baseline levels, the monitoring should be carried out
at times when the contractor’s activities are not generating dust in the
proximity of the monitoring stations.
Should change in ambient conditions be determined, the baseline levels
and, in turn, the air quality criteria, should be revised. The revised baseline levels and air quality
criteria should be agreed with the IC(E) and EPD.
Impact Monitoring
2.6.26
The ET shall carry out impact monitoring during the course of the
construction works at the recommended dust monitoring station. For regular impact monitoring, a sampling
frequency of at least one in every six-days shall be followed at the selected
monitoring station for 24-hr TSP monitoring. The specific time to start and
stop the 24-hr TSP monitoring shall be clearly defined and be strictly followed
by the operator. Before commencement, the ET leader shall inform the IC(E) of
the impact monitoring programme such that the IC(E) can conduct on-site audit
to ensure accuracy of the impact monitoring results.
2.6.27
For 1-hr TSP monitoring, a sampling frequency of at least
three times per day in every six-days should be undertaken during the hours
when active construction activities are taking place. The 1-hr TSP monitoring can be undertaken on the same day as the
24-hr TSP monitoring.
2.6.28
In case of non-compliance with the air quality criteria, more
frequent monitoring exercise, as specified in the following section, shall be
conducted within 24 hours after the result is obtained. This additional monitoring shall be
continued until the excessive dust emission or the deterioration in air quality
is rectified.
Event and Action Plan
for Air Quality
2.6.29
The baseline monitoring results form the basis for determining
the air quality criteria for the impact monitoring. The ET shall compare the impact monitoring results with air
quality criteria set up for 24-hour TSP and 1-hour TSP. Table
2‑1 shows the air quality criteria, namely Action and
Limit levels to be used. Should
non-compliance of the air quality criteria occurs, the ET shall undertake the
relevant action in accordance with the Action Plan in Table 2‑2.
Table 2‑1 Action
and Limit Levels for Air Quality
|
Parameters
|
Action
|
Limit
|
|
24
Hour TSP Level in mg/m³
|
For
baseline level £ 200 mg/m³, Action level = (Baseline level * 1.3 + Limit
level)/2;
For
baseline level > 200 mg /m³, Action level = Limit
level
|
260 mg/m³
|
|
1
Hour TSP Level in mg/m³
|
For
baseline level £ 384mg /m³, Action level = (Baseline level * 1.3 + Limit
level)/2;
For
baseline level > 384mg/m³, Action level = Limit
level
|
500mg/m³
|
Table 2‑2 Event/Action
Plan for Air Quality
|
|
ACTION
|
|
EVENT
|
ET Leader
|
IC (E)
|
ER
|
CONTRACTOR
|
|
ACTION LEVEL
|
|
1.Exceedance for one sample
|
1. Identify
source
2. Inform
IC(E) and ER
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
|
i. Identify
source
ii. Inform
IC(E) and ER
iii. Repeat
measurements to confirm findings
iv. Increase
monitoring frequency to daily
v. Discuss
with IC(E) and Contractor on remedial actions
vi. If exceedance
continues, arrange meeting with IC(E) and ER
vii. If
exceedance stops, cease additional monitoring
|
i. Checking
monitoring data submitted by ET
ii. Check
Contractor’s working method
iii. Discuss
with ET and Contractor on possible remedial measures
iv. Advise
the ER on the effectiveness of the proposed remedial measures
v. Supervisor
implementation of remedial measures
|
i. Confirm
receipt of notification of failure in writing
ii. Notify
Contractor
iii. Ensure
remedial measures properly implemented
|
i. Submit
proposals for remedial actions to IC(E) within 3 working days of notification
ii. Implement
the agreed proposals
iii. Amend
proposal if appropriate
|
|
LIMIT LEVEL
|
|
1.Exceedance
for one sample
|
1. Identify
source
2. Inform
ER and EPD
3. Repeat
measurement to confirm finding
4. Increase
monitoring frequency to daily
5. Assess
effectiveness of Contractor's remedial actions and keep IC(E), EPD and ER
informed of the results
|
1. Checking
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. Supervisor
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 IC(E) within 3 working days of notification
3. Implement
the agreed proposals
4. Amend
proposal if appropriate
|
|
2.Exceedance
for two or more consecutive samples
|
i. Notify
IC(E), ER, Contractor and EPD
ii. Identify
source
iii. Repeat
measurement to confirm findings
iv. Increase
monitoring frequency to daily
v. Carry
out analysis of Contractor’s working procedures to determine possible mitigation
to be implemented
vi. Arrange
meeting with IC(E) and ER to discuss the remedial actions to be taken
vii. Assess
effectiveness of Contractor's remedial actions and keep IC(E), EPD and ER
informed of the results
viii. If
exceedance stops, cease additional monitoring
|
i. Discuss
amongst ER, ET and Contractor on the potential remedial actions
ii. Review
Contractor’s remedial actions whenever necessary to assure their
effectiveness and advise the ER accordingly
iii. Supervise
the implementation of remedial measures
|
i. Confirm
receipt of notification of failure in writing
ii. Notify
Contractor
iii. In
consultation with the IC(E), agree with the Contractor on the remedial
measures to be implemented
iv. Ensure
remedial measures properly implemented
v. 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 remedial actions
|
i. Take
immediate action to avoid further exceedance
ii. Submit
proposals for remedial actions to IC(E) within 3 working days of notification
iii. Implement
the agreed proposals
iv. Resubmit
proposals if problem still not under control
v. Stop
the relevant portion of works as determined by the ER until the exceedance is
abated
|
Dust Mitigation
Measures
2.6.30
The EIA report has recommended various dust control and
mitigation measures. The following measures are specifically recommended for
implementation together with those presented in the Air Pollution Control
(Construction Dust) Regulation.
General Site Management
2.6.31
Appropriate working methods should be devised and arranged to
minimise dust emissions and to ensure any installed air pollution control
system and measures are operated and/or implemented in accordance with their design
merits. In the event of malfunctioning
of any control system or equipment, the relevant dusty activities shall stop
until the relevant control system or equipment are restored to proper
functioning.
2.6.32
Frequent mist spraying should be applied on dusty areas. The frequency of spraying required will
depend upon local meteorological conditions such as rainfall, temperature, wind
speed and humidity. The amount of mist
spraying should be just enough to dampen the material without over-watering,
which could result in unnecessary surface water runoff.
2.6.33
No free falling of construction debris shall be allowed at the
site.
Vehicles and Site Haul Road
2.6.34
Dust emission from unpaved roads comes predominantly from
travelling of vehicles. Areas within the site where there are regular vehicle
movements should have an approved hard surface. Speed controls at an upper limit of 10 to 15 kph should be
imposed and their movements should be confined to designed roadways within the
site. All dusty vehicle loads should
have side and tail boards and should be covered by tarpaulin extending at least
300 mm over the edges of the side and tail boards. Wheel-wash troughs and hoses should be provided at exit points of
the site.
Material Stockpiling and Handling
2.6.35
The amount of stockpiling should be minimised as far as
practicable. The surface of the stockpile should be kept wet by spraying with
water. Dust emission during loading of
fill material to dump trucks should be mitigated by spraying to sufficiently
damp the material prior to any loading or unloading operation. Dusty
construction debris should be covered or stored inside enclosed areas where
practicable to avoid dust generation.
2.6.36
Watering is an effective dust control measure commonly
employed in storage piles and handling operations and should be implemented
where appropriate. Other control measures such as enclosed or semi-enclosed
windboard should be used, where applicable, to minimise dust emission.
2.7
Construction
Noise Monitoring
Noise Parameters
2.7.1
The construction noise level shall be measured in terms of the
A-weighted equivalent continuous sound pressure level (LAeq). LAeq(30 min.) shall be used as
the monitoring parameter for the time period between 0700-1900 hours on normal
weekdays. For all other time periods, LAeq(5 min) shall be employed
for comparison with the NCO criteria.
2.7.2
As supplementary information for data auditing, statistical
results such as L10 and L90 shall also be obtained for
reference. A sample data record sheet is shown in Figure 2-5 for reference.
Monitoring Equipment
2.7.3
As referred to in the Technical Memorandum issued under the
Noise Control Ordinance (NCO), sound level meters in compliance with the
International Electrotechnical Commission Publications 651: 1979 (Type 1) and
804: 1985 (Type 1) specifications shall be used for carrying out the noise
monitoring. Immediately prior to and following each noise measurement, the
accuracy of the sound level meter shall be checked using an acoustic calibrator
generating a known sound pressure level at a known frequency. Measurements may be accepted as valid only
if the calibration level from before and after the noise measurement agree to
within 1.0dB.
2.7.4
Noise measurements should not be made in the presence of fog,
rain, wind with a steady speed exceeding 5m/s or wind with gusts exceeding
10m/s. The wind speed shall be checked with a portable wind speed meter capable
of measuring the wind speed in m/s.
2.7.5
The ET is responsible for the provision of the monitoring
equipment. He shall ensure that
sufficient noise measuring equipment and associated instrumentation are
available for carrying out the baseline monitoring, regular impact monitoring
and ad hoc monitoring. All the equipment and associated instrumentation shall
be clearly labelled.
Monitoring Locations
2.7.6
The proposed locations (M1 to M4) for noise monitoring during
construction works are shown in Figure 2-6. The appointed ET may like to
propose alternative monitoring locations based on consideration of the latest
status, availability and/or accessibility of the various possible monitoring
locations. Alternative monitoring locations proposed by the ET shall be approved
by the ER and agreed by EPD and the IC(E).
2.7.7
When alternative monitoring locations are proposed, the
monitoring locations should be chosen based on the following criteria:
a)
at locations close to the major site activities which are
likely to have noise impacts;
b)
close to the noise sensitive receivers; and
c)
for monitoring locations located in the vicinity of the
sensitive receivers, care should be taken to cause minimal disturbance to the
occupants during monitoring.
2.7.8
The monitoring station shall normally be at a point 1m from
the exterior of the sensitive receivers building facade and be at a position
1.2m above ground. If there is problem
with access to the normal monitoring position, an alternative position may be
chosen, and a correction to the measurements shall be made. For reference, a correction of +3dB(A) shall
be made to free field measurement data. The ET shall agree with the IC(E) on
the monitoring position and the corrections adopted. Once the positions for the
monitoring stations are chosen, the baseline monitoring and the impact
monitoring shall be carried out at the same positions.
Baseline Monitoring
2.7.9
A schedule on the baseline monitoring shall be submitted to
the ER for approval before the start of the monitoring.
2.7.10
In exceptional cases, when insufficient baseline monitoring
data or questionable results are obtained, the ET shall liaise with EPD to
agree on an appropriate set of data to be used as a baseline reference and
submit to the ER for approval.
Impact Monitoring
2.7.11
Noise monitoring shall be carried out by the ET at the
selected representative noise monitoring stations. The following is an initial guide on the regular monitoring
frequency for each station on a per week basis when noise generating activities
are underway.
(i)
One set of measurement shall be monitored between 0700-1900
hours on normal working days (i.e. Monday to Saturday). LAeq(30min.) noise levels shall
be monitored at the selected representative monitoring stations in the vicinity
of work areas.
2.7.12
The monitoring programme shall cover noise monitoring at
IVE-Chai Wan (M3) during the school examination periods. The ET Leader shall liaise with the
Institute’s representative and the Examination Authority to ascertain the exact
time periods of all examination periods during the construction works
contract.
2.7.13
In case of non-compliance with the construction noise
criteria, more frequent monitoring as specified in the Action Plan shall be
carried out. This additional monitoring shall be continued until the recorded
noise levels are rectified or proved to be irrelevant to the construction
activities.
2.8
Event
and Action Plan for Construction Noise
2.8.1
The Action and Limit levels for construction noise are defined
in Table
2‑3. Should non-compliance of the criteria occurs, action
in accordance with the Action Plan in Table 2-4, shall be carried out.
Table
2‑3 Action
and Limit Levels for Construction Noise
|
Time Period
|
Action
|
Limit
|
|
0700-1900
hrs on normal weekdays
|
When one
documented complaint is received
|
75 dB(A)*
|
*
reduce to 70dB(A) for IVE- Chai Wan (and 65dB(A) during the Institute’s
examination period.)
Table
2‑4 Event
and Action Plan for Construction Noise Monitoring
|
EVENT
|
ACTION
|
|
ET Leader
|
IC(E)
|
ER
|
Contractor
|
|
Action Level
|
1. Notify IC(E) and Contractor
2. Carry out investigation
3. Report the results of investigation to
the IC(E) 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 ER 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 fro the analysed noise problem
4. Ensure remedial measures are properly
implemented
|
1. Submit noise mitigation proposals to
IC(E)
2. Implement noise mitigation proposals
|
|
Limit Level
|
1. Notify IC(E), ER, EPD and Contractor
2. Identify source
3. Repeat measurement 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 IC(E), ER and EPD the causes
& actions taken for the exceedances
7. Assess effectiveness of Contractor’s remedial
actions and keep IC(E), EPD and ER 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
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
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
IC(E) 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
|
2.9
Noise
Mitigation Measures
2.9.1
The EIA report has recommended various construction noise
mitigation measures. These are summarised below for easy reference. The Contractor shall be responsible for the design
and implementation of these recommended measures.
2.9.2
Noise emissions from the construction site can be minimised by
adopting a number of practicable noise mitigation options, including:
§
Use of quiet PME;
§
Phasing of construction activities to minimise concurrent
operation of PME; and
§
Minimise number of PME working concurrently;
§
Good site practice and noise management;
§
Erect temporary noise barrier and provision of
machinery enclosure
Selecting Quiet PME
2.9.3
Silenced types of equipment for use in construction activities
are available in Hong Kong. The
contractor should diligently seek equivalent models of silenced PME that are
quieter than the standard types given in the Technical Memorandum on Noise from
Construction Works Other than Percussive Piling” (TM). Plants with lower noise
levels than those given in the TM should be used wherever possible.
Phasing of Construction Activities & Reduce No. of Equipment
working concurrently
2.9.4
As recommended in the EIA report, phasing of construction
activities such that equipment servicing different purpose would not be
operating concurrently shall be introduced as work procedure as far as
practicable for noise mitigation purpose. Under certain work situations, the
number of PME working concurrently shall also be reduced to minimize the
cumulative noise impact.
Use of Temporary Noise Barriers and Machinery Enclosures
2.9.5
The erection of noise barriers between noise sources
and the NSRs will be effective in reducing the noise impact. Barriers should have no openings or gaps,
and preferably have a superficial surface density of at least 7 kg/m2. As recommended in the EIA report, a 6m high
vertical noise barrier (or equivalent, if a cantilever type noise barrier is
adopted) is recommended to be erected at the western site boundary along Shing
Tai Road to shield the noise generated from noise activities generated behind
the barrier. The noise barrier can be
incorporated into the design of the site hoarding along Shing Tai Road. For maintaining the acoustic shielding
effectiveness of the temporary noise barrier proposed, vehicular access to the
construction site shall not be positioned at Shing Tai Road as far as
practicable.
2.9.6
If required, additional movable noise barriers can be
temporarily erected at specific locations within the site in the proximity of
noisy work areas, when generation of high noise levels is expected to be
associated with certain construction activities, or identified through the
Environmental Monitoring and Audit (EM&A) progamme.
Other Recommended Noise
Mitigation Measures
2.9.7
To be prudent in the construction noise management, the
following additional noise mitigation and good site practices are also
recommended for implementation.
·
the Contractor shall comply with and observe the Noise
Control Ordinance (NCO) and its current subsidiary regulations;
·
before the commencement of any work, the Contractor
shall submit to the Engineer for approval the method of working, equipment and
sound-reducing measures intended to be used at the site;
·
the Contractor shall devise and execute working methods
that will minimise the noise impact on the surrounding environment; and shall
provide experienced personnel with suitable training to ensure that these
methods are implemented;
·
only well-maintained plants should be operated on-site;
·
plants should be serviced regularly during the
construction programme;
·
machines that may be in intermittent use should be shut
down or throttled down to a minimum between work periods;
·
silencer and mufflers on construction equipment should
be utilised and should be properly maintained during the construction
programme;
·
noisy activities can be scheduled to minimise exposure
of nearby NSRs to high levels of construction noise. For example, noisy activities
can be scheduled for midday or at times coinciding with periods of high
background noise (such as during peak traffic hours);
·
noisy equipment such as emergency generators shall
always be sited as far away as possible from noise sensitive receivers;
·
mobile plants should be sited as far away from NSRs as
possible; and
·
material stockpiles and other structures should be
effectively utilised as noise barrier, where practicable.
2.10
Construction
Waste Management
Introduction
2.10.1
The Contractor is responsible
for proper handling of excavated material, construction and demolition material
(C&DM), chemical waste and general refuse within the construction site, for
disposal offsite, and to implement measures to minimise waste generation.
2.10.2
The construction waste management
measures recommended in the EIA report are summarized below.
Mitigation Measures
2.10.3
The overall construction
management strategy shall be minimisation of waste generation, coupled with
maximum reuse and recycling of construction and demolition materials onsite or
offsite as far as practicable. Contract
requirements should include the responsibilities of the Contractor for waste
collection and disposal. The following
measures are recommended at this planning stage for proper handling of waste
material during the construction phase of the site formation works.
Waste Management
Plan
2.10.4
To ensure the appropriate handling of different construction
waste types, it is recommended that the contractor shall be required to
implement the recommended waste management measures through establishing a
waste management plan. The WMP shall be submitted to the Project Engineer at
the commencement of the construction works for approval on the advice of DEP.
Overall Waste
Management
2.10.5
Storage areas for different
waste types - different types of waste should be segregated and stored in
different containers, skips or stockpiles to enhance reuse or recycling of
materials and their proper disposal. An
on-site temporary storage area equipped with required control measures (e.g.
dust) should be provided;
2.10.6
Trip-ticket system - in order
to monitor the disposal of inert C&DM at public filling facilities and the
remaining C&D waste to landfills, and control fly-topping, a trip-ticket
system should be included as a contractual requirements and audited by the
Environmental Team;
2.10.7
Records of Wastes - a
recording system for the amount of wastes generated, recycled and disposed
(including the disposal sites) should be proposed;
2.10.8
Training - training should be
provided to workers in respect of site cleanliness and appropriate waste
management procedure, including waste reduction, reuse and recycling, and avoid
contamination of reusable C&DM.
Construction
& Demolition Material
2.10.9
A “selective demolition”
approach is recommended for avoiding the mixing of reusable/ recyclable
material with waste requiring disposal.
2.10.10
Surplus construction material, which may arise from
construction preparatory works and actual construction activities, shall be
minimised, reused or recycled as far as practicable. These material may include:
·
Wood
from formwork;
·
Surplus
concrete or grouting mixes;
·
Damaged
or contaminated construction materials;
·
Equipment
and vehicle maintenance parts; and
·
Materials
and equipment wrappings, etc.
2.10.11
Wherever practicable, the production of construction waste
should be minimised by the contractor through careful design, planning, good
site management, control of ordering procedures, segregation and reuse of
materials. These measures will also
assist in minimising costs associated with the construction works. For examples, wooden boards can be reused
on-site or off-site, though the reusability and quantity of final waste will
depend on the quality, size and shape of the boards. Those timber which cannot be reused again shall be sorted and
stored separate from all inert waste before disposed of in landfill.
Arrangement could be made for private contractors to collect used formwork
materials for reuse. On-site incineration of wooden waste is prohibited.
2.10.12
If feasible, noise enclosure or barriers used on-site should
be designed so that they are reusable after they have been dismantled and
removed. Should construction site
hoarding be erected, metal fencing or building panels, which are more durable
than wooden panels, are recommended to be used where practicable. Opportunity shall also be sought to re-use
any wooden boards used in site fencing on-site or off-site. Concrete and masonry can be crushed and used
as fill material if practicable.
Chemical Waste
2.10.13
As defined under the Waste
Disposal (Chemical Waste) (General) Regulation, chemical waste includes any
substance being scrap material or unwanted substances specified under Schedule
1 of the Regulation. Chemical waste
could be generated from operation and maintenance of on-site equipment. Chemicals generated from daily operation of
the construction works shall be recycled/ reused on-site as far as practicable.
2.10.14
The amount of chemical waste that will be generated from the
construction work will depend on the contractor’s on-site maintenance
intention, age and number of plant and vehicles used. Chemical wastes such as lubricating oil or solvent generated by
workers are not expected to be in large quantity, given the nature of the
construction activities involved. The
chemical waste types are expected to be readily accepted by licensed
contractors in Hong Kong.
2.10.15
If off-site disposal of chemical waste is required, they
should be collected by licensed contractors for proper disposal in accordance
with the Waste Disposal (Chemical Waste)
(General) Regulation. Contractors shall register with EPD as chemical waste
producers when disposal of chemical waste is anticipated to be required. Chemical waste materials have to be stored
on-site with suitable containers so that leakage or spillage is prevented
during the handling, storage, and subsequent transportation.
2.10.16
Provided that the handling, storage and disposal of chemical
wastes are in accordance with the Waste
Disposal (Chemical Waste) (General) Regulation and the Code of Practice on the Packaging, Labelling and Storage of Chemical
Wastes, it will not cause an unacceptable environmental impact.
General Refuse
2.10.17
Throughout the construction phase, the workforce on the
construction site would likely generate a variety of general refuse requiring
disposal. These refuse will mainly
consist of food wastes, aluminium cans, and waste paper, etc. No information regarding the number of
workers on-site is available at this feasibility study stage. Assuming that 100 workers are working
together at any one time, and a waste generation rate of about 0.6 kg per
person, it is estimated that the amount of general refuse that would be
generated is in the order of 60 kg per day.
2.10.18
General refuse generated at the construction site shall be
stored separated from construction and chemical wastes to avoid cross
contamination. A reliable waste
collector shall be employed by the Contractor to remove general refuse from the
construction site on a daily basis where appropriate to minimise the potential
odour, pest and litter impacts. The
segregation of aluminum cans or other recyclable material for recycling should
be considered as far as practicable.
2.10.19
Wastewater effluent generated from the construction works
shall be managed in accordance with the requirements under ProPECC Note PN1/94
“Construction Site Drainage”. No
effluent discharge shall be made into the embayed water of the Cargo Handling
Basin, or stormwater drains at road carriageways and other public areas.
2.11
Landscape and
Visual Issues
2.11.1
To mitigate the potential landscape impact, the carrying out
of tree transplanting has been recommended in the study. The tree transplanting works shall be
carried out strictly according to the Transplanting Specification (Appendix D
of the Tree Survey Report) under the close monitoring by a qualified architect
or an arboriculturist.
2.11.2
The qualified architect shall also monitor the planting of
heavy standard Delonix regia recommended along the footpath of Road 20/4 and
Shing Tai Road and the recommended compensatory planting with the site boundary
taking into account the design of the building layout.
2.11.3
To ensure the visual compatibility with the surrounding
environmental context, the Project Architect shall take into account in the
building design the façade treatment required.
Strategies to be considered shall include the use of recessed grove
lines to divide the wall into
panels, so as to reduce its massive scale.
Colours will also be used to further break down the scale by means of
spray-painting on plaster. In addition
to spray-painting, metal cladding, tiling will also be used for the main
elevations facing Road 20/4 and Shing Tai Road, in order to add richness in
texture and colour, so as to create an environmental in harmony with the
surroundings.
2.12
Site
Environmental Audit
Site Surveillance
2.12.1
Site surveillance provides a direct means to trigger and
ensure the specified environmental protection and pollution control measures
are in compliance with the contract specifications. They shall be undertaken regularly and routinely by the ET to
inspect the construction activities in order to ensure that appropriate
environmental protection and pollution control mitigation measures are properly
implemented by the Contractor in accordance with EM&A recommendations. With well defined pollution control and
mitigation specifications and a well established site inspection, deficiency
and action reporting system, the site inspection is one of the most effective
tools to enforce the environmental protection requirements on the construction
site.
2.12.2
The ET leader is responsible for formulation of the
environmental site inspection, deficiency and action reporting system, and for
carrying out the site inspections under the EM&A works. He shall, in consultation with the IC(E),
prepare and submit a proposal on the site inspection, deficiency and action
reporting procedures within 21 days of the construction contract commencement
to the Contractor for agreement and to the ER for approval.
2.12.3
Regular site inspections shall be carried out at least once
per week. The areas of inspection shall
cover the environmental situation, pollution control and mitigation measures
within the site, it should also review the environmental situation outside the
site area which is likely to be affected, directly or indirectly, by the site
activities. The ET leader shall make
reference to the following information in conducting the inspection:
a)
the EIA recommendations on environmental protection and
pollution control mitigation measures with respect to air quality, noise, waste
management and water quality, etc.;
b)
works progress and programme;
c)
individual works methodology proposals (which shall include
proposal on associated pollution control measures);
d)
the contract specifications on environmental protection and
pollution prevention control;
e)
the relevant environmental protection and pollution control
laws; and
f)
previous site inspection results.
2.12.4
The satisfactory implementation of relevant recommended
mitigation measures during the construction phase shall be checked during the
ET’s regular site inspections during the relevant phases of construction works.
2.12.5
The Contractor shall update the ET on all relevant information
of the construction contract for him to carry out the site inspections. The inspection results and its associated
recommendations on improvements to the environmental protection and pollution
control works shall be submitted to the IC(E) and the Contractor in a site
inspection proforma within 24 hours, for reference and for taking immediate
action. The Contractor shall follow the procedures and time-frame as stipulated
in the environmental site inspection, deficiency and action reporting system
formulated by the ET to report on any remedial measures subsequent to the site
inspections.
2.12.6
Ad hoc site inspections shall also be carried out by the ET
and/or IC(E) if significant environmental problems are identified. Inspections may also be required subsequent
to receipt of an environmental complaint, or as part of the investigation work,
as specified in the Action Plan for environmental monitoring and audit.
Compliance with Legal and Contractual
Requirements
2.12.7
There are contractual environmental protection and pollution
control requirements as well as environmental protection and pollution control
laws in Hong Kong which the construction activities shall comply with.
2.12.8
The ET shall review the progress and programme of the works to
check that relevant environmental laws have not been violated, and that any
foreseeable potential for violating the laws can be prevented.
2.12.9
The Contractor shall regularly copy relevant documents to the
ET so that the checking work can be carried out. The document shall at least include the updated Work Progress
Reports, the updated Works Programme, the application letters for different
licence/permits under the environmental protection laws, and all the valid
licence/permit. The site diary shall
also be available for the ET’s inspection upon his request.
2.12.10
After reviewing the document, the ET shall advise the ER and
the Contractor of any non-compliance with the contractual and legislative
requirements on environmental protection and pollution control for them to take
follow-up actions. If the ET's review
concludes that the current status on licence/permit application and any
environmental protection and pollution control preparation works may not cope
with the works programme or may result in potential violation of environmental
protection and pollution control requirements by the works in due course, he
shall also advise the Contractor and the ER accordingly. The review shall be
copied to IC(E) for any follow-up action.
2.12.11
Upon receipt of the advice, the Contractor shall undertake
immediate action to remedy the situation.
The ER shall check that appropriate action has been taken by the
Contractor in order that the environmental protection and pollution control
requirements are fulfilled.
Environmental Complaints
2.12.12
Complaints received on environmental issues shall be referred
to the ET leader for carrying out complaint investigation procedures. The ET
leader shall undertake the steps given below in a) to i) upon receipt of the
complaints. The complaint investigation
procedures are also presented in form of a flow chart in Figure 2-7 for ease of
reference.
a)
log complaint and date of receipt onto the complaint database
and inform the IC(E) immediately;
b)
investigate the complaint to determine its validity, and to
assess whether the source of the problem is due to works activities;
c)
if a complaint is valid and due to project works, identify
mitigation measures in consultation with the IC(E);
d)
if mitigation measures are required, advise the Contractor
accordingly;
e)
review the Contractor's implementation of the identified and
required mitigation measures, and the current situation;
f)
if the complaint is transferred from EPD, submit interim
report to EPD on status of the complaint investigation and follow-up action
within the time frame assigned by EPD;
g)
undertake additional monitoring and audit to verify the
complaint if necessary, and ensure that any valid reason for complaint does not
recur through proposed amendments to work methods, procedures, machines and/or
equipment, etc.;
h)
report the investigation results and the subsequent actions to
the complainant (If the source of complaint is identified through EPD, the
results should be reported within the time frame assigned by EPD); and
i)
log a record of the complaint, investigation, the subsequent
actions and the results in the monthly EM&A reports.
2.12.13
During the complaint investigation work, the Contractor and ER
shall co-operate with the ET leader in providing all the necessary information
and assistance for completion of the investigation. If mitigation measures (in consultation with the IC(E)) are
required following the investigation, the Contractor shall promptly carry out
the mitigation. The ER shall check that
the measures have been carried out by the Contractor.
Documentation
2.12.14
All documentation is required to be filed in a traceable and
systematically manner and ready for inspection upon request. All Construction
Phase EM&A results and findings shall be documented in the Construction
Phase EM&A report prepared by the ET and endorsed by IC(E) prior to
disseminate to the Contractor, ER and EPD.
2.13
Reporting
General
2.13.1
The following reporting requirements based upon a paper
documentation approach. However, the
same information can be provided in an electronic medium upon agreeing the
format with the ER and EPD. All the monitoring data (baseline and impact) shall
also be submitted in diskettes in an agreed format. This would enable a transition from a paper/historic and reactive
approach to an electronic/real time proactive approach.
Baseline Monitoring Report
2.13.2
The ET Leader shall prepare and submit a Baseline
Environmental Monitoring Report within 10 working days of completion of the
baseline monitoring. Copies of the Baseline Environmental Monitoring Report
shall be submitted to each of the four parties: the Contractor, the IC(E), the
ER and EPD. The ET Leader shall liaise with the relevant parties on the exact
number of copies needed. The form and
content of the report, and the representation of the baseline monitoring data
to be submitted to EPD shall be agreed with EPD.
2.13.3
The baseline monitoring report shall include at least the
following:
a)
up to half a page executive summary;
b)
brief project background information;
c)
drawings showing locations of the baseline monitoring
stations;
d)
an updated construction programme with milestones of
environmental protection/mitigation activities annotated;
e)
monitoring results (in both hard and diskette copies) together
with the following information:
- monitoring
methodology;
- name of laboratory and types of
equipment used and calibration details;
- parameters monitored;
- monitoring locations (and depth);
- monitoring date, time, frequency and
duration;
- QA/QC results and detection limits.
f)
details on influencing factors, including:
- major
activities, if any, being carried out on the Site during the period;
- weather conditions during the period;
- other factors which might affect the
results;
g)
determination of the Action and Limit Levels (AL levels) for
each monitoring parameter and statistical analysis of the baseline data, the
analysis shall conclude if there is any significant difference between control
and impact stations for the parameters monitored;
h)
revisions for inclusion in the EM&A Manual; and
i)
comments and conclusions.
Monthly EM&A Reports
2.13.4
The results and findings of all EM&A work required in the
Manual shall be recorded and submitted to the ET Leader. Based on these
information a monthly EM&A reports shall be prepared by the ET Leader. The EM&A report shall be prepared by
A/ER and endorsed by IC(E) and submitted to EPD within 10 working days of the
end of each reporting month, with the first report due in the month after
construction commences. A maximum of 4
copies of each monthly EM&A report shall be submitted to each of the four
parties : the Contractor, the IC(E), the ER and EPD. Before submission of the first EM&A report, the ET Leader
shall liaise with the parties on the exact number of copies and format of the
monthly reports in both hard copy and electronic medium required.
2.13.5
The ET Leader shall review the number and location of
monitoring stations and parameters to monitor every 6 months or on as needed
basis in order to cater for the changes in surrounding environment and nature
of works in progress.
First Monthly EM&A Report
2.13.6
The first monthly EM&A report shall include at least the
following :
a)
1-2 pages executive summary;
- Breaches of AL levels;
- Complaint Log;
- Notifications of
any summons and successful prosecutions;
- Reporting
Changes;
- Future key
issues.
b)
Basic Project Information
- Project organisation including
key personnel contact names and telephone numbers;
- Construction
Programme with fine tuning of construction activities showing the inter-relationship
with environmental protection/mitigation measures for the month;
- Management
structure;
- Works undertaken
during the month.
c)
Environmental Status
- Works undertaken during the
month with illustrations (such as location of works, daily
dredging/filling
rates, percentage fines in the fill material used);
- Drawing showing
the project area, any environmental sensitive receivers and the locations of
the monitoring and control stations.
d)
Summary of EM&A requirements including:
- All monitoring parameters;
- Environmental
quality performance limits (Action and Limit levels);
- Event-Action
Plans;
- Environmental
mitigation measures, as recommended in the project EIA study final report;
- Environmental
requirements in contract documents;
e)
Implementation Status
- Advice on the implementation
status of environmental protection and pollution control/mitigation measures
including measures for ecological and visual impacts, as recommended in the
project EIA study report, summarised in the updated implementation schedule.
f)
Monitoring Results (in both hard and diskette copies) together
with the following information;
- Monitoring methodology;
- Name of
laboratory and types of equipment used and calibration details;
- Parameters
monitored;
- Monitoring locations
(and depth);
- Monitoring date,
time, frequency, and duration;
- Weather
conditions during the period;
- Graphical plots
of the monitored parameters in the month annotated against:
- Major activities
being carried out on site during the period;
- Weather
conditions that may affect the results;
- Any other factors
which might affect the monitoring results;
- QA/QC results and
detection limits.
g)
Report on Non-compliance, Complaints, Notifications of Summons
and Successful Prosecutions
- Record of all noncompliance
(exceedances) of the environmental quality performance limits (Action and Limit
levels);
- Record of all
complaints received (written or verbal) for each media, including locations and
nature of complaints investigation, liaison and consultation undertaken,
actions and follow-up procedures taken, results and summary;
- Record of all
notifications of summons and successful prosecutions for breaches of the
current environmental protection/pollution control legislations, including
locations and nature of the breaches, investigation, follow-up actions taken,
result and summary;
- Review of the
reasons for and the implications of non-compliance, complaints, summons and
prosecutions including review of pollution sources and working procedures;
- Description of
the actions taken in the event of non-compliance and deficiency reporting and
any follow-up procedures related to earlier non-compliance;
h)
Others
- An account of the future key
issues reviewed from the works programme and work method statements;
- Advice on the
solid and liquid waste management status;
- Submission of
implementation status proforma, proactive environmental protection proforma,
regulatory compliance proforma, site inspection proforma, data recovery
schedule and complaint log summarizing the EM&A of the period.
Subsequent EM&A Reports
2.13.7
The subsequent monthly EM&A reports shall include the
following :
a)
Executive Summary (1-2 pages)
- Breaches of AL levels
- Complaint Log
- Notifications of
any summons and successful prosecutions;
- Reporting Changes
- Future key issues
b)
Environmental Status
- Construction Programme with
fine tuning of construction activities showing the inter-relationship with
environmental protection/mitigation measures for the month;
- Works undertaken during
the month with illustrations including key personnel contact names and
telephone numbers;
- Drawing showing
the project area, any environmental sensitive receivers and the locations of
the monitoring and control stations
c)
Implementation Status
- Advice on the implementation
status of environmental protection and pollution control/mitigation measures
including measures for ecological and visual impacts, as recommended in the
project HA study report, summarised in the updated implementation schedule.
d)
Monitoring Results to provide monitoring results (in both hard
and diskette copies) together with the following information
- Monitoring methodology
- Name of
laboratory and types of equipment used and calibration details
- Parameters
monitored
- Monitoring
locations (and depth);
- Monitoring date,
time, frequency, and duration;
- Weather
conditions during the period;
- Graphical plots
of the monitored parameters in the month annotated against:
- Major activities
being carried out on site during the period;
- Weather
conditions that may affect the results;
- Any other factors
which might affect the monitoring results;
- QA/QC results and
detection limits.
e)
Report on Non-compliance, Complaints, Notifications of Summons
and Successful Prosecutions
- Record of all noncompliance
(exceedances) of the environmental quality performance limits (Action and Limit
levels);
- Record of all
complaints received (written or verbal) for each media, including locations and
nature of complaints investigation, liaison and consultation undertaken,
actions and follow-up procedures taken, results and summary;
- Record of all
notifications of summons and successful prosecutions for breaches of the
current environmental protection/pollution control legislations, including
locations and nature of the breaches, investigation, follow-up actions taken,
result and summary;
- Review of the
reasons for and the implications of non-compliance, complaints, summons and
prosecutions including review of pollution sources and working procedures;
- Description of
the actions taken in the event of non-compliance and deficiency reporting and
any follow-up procedures related to earlier non-compliance.
f)
Others
-
An account of the future key issues reviewed from the works programme and work
method statements;
- Advice on the solid and liquid waste
management status
- Submission of implementation status
proforma, proactive environmental protection proforma, regulatory compliance
proforma, site inspection proforma, data recovery schedule and complaint log summarizing
the EM&A of the period.
g)
Appendix
-
AL levels
- Graphical plots of trends of monitored
parameters at key stations over the past four reporting periods for
representative monitoring stations annotated against the following:
i) major activities being carried out on
Site during the period;
ii) weather conditions during the period;
iii) any other factors which might affect
the monitoring results
§
Monitoring schedule for the present and next reporting
period
§
Cumulative statistics on complaints, notifications of
summons and successful prosecutions
§
Outstanding issues and deficiencies
Quarterly EM&A Summary Reports
2.13.8
The quarterly EM&A summary report which should generally
be around 5 pages (including about 3 of text and tables and 2 of figures)
should contain at least the following listed information. Apart from these, the
first quarterly summary report should also confirm that the monitoring work is
proving effective and that it is generating data with the necessary statistical
power to categorically identify or confirm the absence of impact attributable
to the works
a)
up to half a page executive summary;
b)
basic project information including a synopsis of the project
organisation, programme, contacts of key management, and a synopsis of work
undertaken during the quarter;
c)
a brief summary of EM&A requirements including:
· monitoring
parameters;
· environmental
quality performance limits (Action and Limit levels); and
· environmental
mitigation measures, as recommended in the project EIA study final report;
d)
advice on the implementation status of environmental
protection and pollution control/mitigation measures, as recommended in the
project EIA study report, summarised in the updated implementation schedule;
e)
drawings showing the project area, any environmental sensitive
receivers and the locations of the monitoring and control stations;
f)
graphical plots of the trends of monitored parameters over the
past 4 months (the last month of the previous quarter and the present quarter)
for representative monitoring stations annotated against;
· the
major activities being carried out on site during the period;
· weather
conditions during the period; and
· any
other factors which might affect the monitoring results;
g)
advice on the solid and liquid waste management status;
h)
a summary of non-compliance (exceedances) of the environmental
quality performance limits (Action and Limit levels);
i)
a brief review of the reasons for and the implications of
non-compliance including review of pollution sources and working procedures;
j)
for project where measurement of suspended solids is required,
quarterly assessment of construction impacts on suspended solids at the project
site, including, but not limited to, a comparison of the difference between the
quarterly mean and 1.3 times of the ambient mean, which is defined as 30%
increase of the baseline data or EPD data, of the related parameters by using
appropriate statistical procedures. Suggestion of appropriate mitigation
measures if the quarterly assessment analytical results demonstrate that the
quarterly mean is significantly higher than the 1.3 on water quality times of
the ambient mean (p < 0.05);
k)
a summary description of the actions taken in the event of
non-compliance and any follow-up procedures related to earlier non-compliance;
l)
a summary record of all complaints received (written or
verbal) for each media, liaison and consultation undertaken, actions and
follow-up procedures taken;
m)
a summary record of all notifications of summons and
successful prosecutions for breaches of the current environmental
protection/pollution control legislations, locations and nature of the
breaches, investigation, follow-up actions taken and results;
n)
comments (e.g. effectiveness and efficiency of the mitigation
measures), recommendations (e.g. any improvement in the EM&A programme) and
conclusions for the quarter; and
o)
proponents' contacts and any hotline telephone number for the
public to make enquiries.
Final EM&A Summary Reports
2.13.9
The final EM&A summary report shall include the following:
a)
an executive summary;
b)
basic project information including a synopsis of the project
organisation, programme, contacts of key management, and a synopsis of work
undertaken during the entire construction period;
c)
a brief summary of EM&A requirements including:
· monitoring
parameters;
· environmental
quality performance limits (Action and Limit levels); and
· environmental
mitigation measures, as recommended in the project EIA study final report;
d)
advice on the implementation status of environmental
protection and pollution control/mitigation measures, as recommended in the
project EIA study report, summarised in the updated implementation status
proforma;
e)
drawings showing the project area, any environmental sensitive
receivers and the locations of the monitoring and control stations;
f)
graphical plots of the trends of monitored parameters over the
construction period for representative monitoring stations annotated against;
· the
major activities being carried out on site during the period;
· weather
conditions during the period; and
· any
other factors which might affect the monitoring results;
· the
return of ambient environmental conditions in comparison with baseline data.
g)
compare and contrast the EM&A data with the EIA predictions
and annotate with explanation for any discrepancies;
h)
provide clear-cut decisions on the environmental acceptability
of the project with reference to the specific impact hypothesis;
i)
advice on the solid and liquid waste management status;
j)
a summary of non-compliance (exceedances) of the environmental
quality performance limits (Action and Limit levels);
k)
a brief review of the reasons for and the implications of
non-compliance including review of pollution sources and working procedures;
l)
a summary description of the actions taken in the event of
non-compliance and any follow-up procedures related to earlier non-compliance;
m)
a summary record of all complaints received (written or
verbal) for each media, liaison and consultation undertaken, actions and follow-up
procedures taken;
n)
review the monitoring methodology adopted and with the benefit
of hindsight, comment on its effectiveness (including cost effectiveness);
o)
a summary record of all notifications of summons and
successful prosecutions for breaches of the current environmental
protection/pollution control legislations, locations and nature of the
breaches, investigation, follow-up actions taken and results;
p)
review the practicality and effectiveness of the EIA princess
and EM&A programme (e.g. effectiveness and efficiency of the mitigation
measures), recommend any improvement in the EM&A programme;
q)
a conclusion to state the return of ambient and/or the
predicted scenario as per EIA findings.
Forms to be Adopted
2.13.10
To facilitate the management of the EM&A programme for the
construction works, the record forms presented in Appendix II (including those
presented in the preceding section) should be adopted where applicable during
the construction phase of the Project. These forms are listed as follows :
·
Implementation Schedule;
·
Implementation Status Proforma;
·
Data Recovery Schedule;
·
Site Inspection Proforma;
·
Proactive Environmental Protection Proforma;
·
Regulatory Compliance Proforma;
·
Compliant Log;
·
Sample Template for Interim Notifications of
Environmental Quality Limited Exceedance;
·
Data Sheet for TSP Monitoring;
·
Noise Monitoring Field Record Sheet.
Data Keeping
2.13.11
The site document such as the monitoring field records,
laboratory analysis records, site inspection forms, etc. are not required to be
included in the monthly EM&A reports for submission. However, the document shall be well kept by
the ET and be ready for inspection upon request. All relevant information shall be clearly and systematically
recorded in the document. The
monitoring data shall also be recorded in magnetic media form, and the software
copy can be available upon request. All
the documents and data shall be kept for at least one year after completion of
the construction contract.
Interim Notifications of Environmental
Quality Limit Exceedances
2.13.12
With reference to Event/Action Plans in previous sections,
when the environmental quality limits are exceeded, the ET shall immediately
notify the ER & EPD, as appropriate.
The notification shall be followed up with advice to EPD on the results
of the investigation, proposed action and success of the action taken, with any
necessary follow-up proposals. A sample
template for the interim notifications is shown in Figure 2-8.
3.
Environmental
Management System
3.1
Introduction
3.1.1
Section 5 of the EIA Study Brief requires the project
proponent to describe an appropriate Environmental Management System (EMS) to
be implemented for managing the environmental impacts that may arise from the
proposed bus depot development.
3.1.2
The appointed Contractor will be required under the
requirements of the Contract Specification to implement the environmental
control/ mitigation measures recommended in the EIA during the construction
phase of the project. The
implementation of sufficient mitigation measures will be checked by the
Environmental Monitoring and Audit (EM&A) requirements as set out in the
preceding section. The further
establishing of an EMS during the construction phase is not considered
necessary for ensuring compliance with the relevant environmental standards and
guidelines.
3.1.3
The EMS presented here relates to the operational phase of the
proposed bus depot. The purpose of
setting up this EMS is to achieve that the long-term operation of the bus depot
will not only satisfy the relevant environmental legislation and regulations
currently enforced in Hong Kong, but also conform to the Environmental Policy
to be established by the project proponent.
The establishment of this Environmental Policy is not a statutory
requirement but reflects the project proponent’s commitment to taking the
relevant environmental factors into consideration as appropriate in the
operation of the bus depot development.
3.2
Identification
of Key Environmental Factors
3.2.1
The key environmental issues associated with the operation of
the bus depot have been assessed in the EIA study. These environmental issues and the key findings of the
assessments are summarized below:
§
Vehicular Emissions from Buses Operation
The findings of
the EIA study revealed that bus operation within the depot and in the vicinity
road carriageways will not pose any significant cumulative air quality impact
on the surrounding air sensitive receivers.
Taking into account the background air pollutant concentrations, the
modeling results show the relevant Air Quality Objectives are well satisfied.
§
Traffic Noise from Buses Operation
The findings of
the EIA study revealed that with appropriate consideration on the bus routes
entering/ leaving the bus depot, future bus operation will not pose any
significant contribution to the overall traffic noise levels on the nearby
Noise Sensitive Receivers (NSRs).
§
Noise from fixed noise sources at the Bus Depot
In the presence
of other planned future landuses, the building façade on the north-eastern and
south-western sides of the bus depot building (G/F and 1/F) will be constructed
in form of a solid wall. This will help
to prevent the generation of any unacceptable noise impact from the depot
providing shielding to noise sensitive receivers situated to the north-east
(Heng Fa Chuen) and south-west (Tsui Wan Estate) of the site. The findings of
the assessment presented in the EIA report revealed that fixed plant noise
generated from the operation of the bus depot will unlikely exceed the relevant
noise limits.
§
Waste Management
Chemical waste
generation and disposal was identified to be the key interest. Unacceptable impact is not expected provided
that the chemical wastes are managed in accordance with the requirements under
the Waste Disposal (Chemical Waste) (General) Regulation and Code of Practice
on the Packaging, Labelling ad Storage of Chemical Waste published by EPD.
§
Land Contamination Prevention
Proper design, use,
and maintenance of the onsite diesel fuel tanks and associated pipelines,
training of staff engaged in bus refueling activities, and proper management of
chemicals used on site will significantly minimize the land contamination
potential caused by the operation of the bus depot.
§
Wastewater Treatment and Disposal
Sewage generated
from designated bus washing areas will be properly pretreated by petrol
interceptors or by grease traps for kitchen areas before discharged into
government sewers. Stormwater collected
at the roof floor level with bus parkings will also be diverted to petrol
interceptors before discharge. With the
appropriate design, provision and maintenance of these sewage and drainage
facilities, operation of the bus depot will unlikely pose any unacceptable
water quality impact.
3.2.2
It can be noted that the identified potential environmental
impacts associated with the operation of the bus depot are either identified to
be within acceptable (and with a significant margin between the predicted impact
levels and the relevant acceptable standards specified in the EIAO-TM), or
there exists reliable (standard) control/ mitigation measures to prevent the
occurrence of any unacceptable environmental impact.
3.2.3
The implementation of the required mitigation measures will be
controlled by the Environmental Permit system under the EIA Ordinance. The setting up of an “impact-mitigation
oriented” EMS to be established by the project proponent during the operational
phase will give added benefits to achieve effective implementation of
sufficient control/ mitigation measures target to achieve not only compliance
with the relevant regulatory environmental requirements, but also continual
improvements with respect to the implementation of the recommended control/
mitigation measures.
3.2.4
It is considered that the setting up of a full EMS programme
to also cover other environmental aspects (e.g. energy consumption, use of
natural resources, etc.) to allow the EMS to be possibly certified to an
International Standard by a third party is not considered necessary, as the
implementation of the recommended mitigation measures/ control measures
recommended in the EIA report will be controlled by the environmental permit
conditions and facilitated by this impact-mitigation oriented EMS.
3.2.5
Table 3-1 summarises the key environmental factors and the
associated environmental mitigation strategy recommended to be included in
establishing the EMS as appropriate. It
is recommended that the exact environmental issues to be covered in the EMS
shall be reviewed at the detailed design stage and operational phase by the
project proponent to maintain their relevance, practicability and effectiveness
in achieving the Environmental Policy in addition to the relevant current
environmental legislation and regulations.
Table 3‑1 Summary
of Key Environmental Factors and Environmental Mitigation Strategy to be
included in the EMS
|
Key
Environmental Factors
|
Environmental
Mitigation Strategy
|
|
Air
Quality – Bus Emission
|
§
Implement a maintenance programme to ensure that the
bus engines are performing within acceptable standards
§
Implement a fleet rejuventation programme by
regularly introduce new and environmentally friendly buses;
§
Introduce use of Euro III engines for new buses;
§
Ensure that by upgrading if necessary all existing
buses have engines that can meet the Euro standards;
§
Installation of catalytic converters for buses to
enable a further reduction in exhaust emissions;
§
Introduce the use of ultra-low sulphur diesel (with
the sulphur content reduced from the normal statutory requirement of 0.035%
to 0.005% for all operating buses.
|
|
Air
Quality – Depot Emission
|
§
Idling emissions should be minimized by requiring all
drivers to switch off the bus engines while waiting;
§
Mechanical ventilation required at specific locations
shall be properly designed. Exhaust
air outlets shall be located away from nearby air sensitive receivers to
avoid causing any unacceptable nuisance;
§
Fresh air inlets should be located so that they can
capture fresh air comparable to the ambient air quality levels. The fresh air inlet louvers shall be
located away from major air emission sources including exhaust air outlets;
§
The mechanical ventilation system shall be regularly
inspected and maintained to ensure proper operation and minimize breakdown
time to ensure the keeping of an acceptable air quality within the bus depot;
|
|
Noise –
Traffic Noise
|
§
Buses drives will be required to strictly follow the
bus route plan agreed with TD in approaching/ leaving the bus depot;
§
Bus drivers arriving the depot from Siu Sai Wan or
leaving for Siu Sai Wan will be required to route through the future Sheung
On Street Extension and Road 20/4 at all time periods during normal
operation, instead of the existing Wing Tai Road and Shing Tai Road;
§
Bus drivers will be required to avoid generation of
excessive noise when approaching or leaving the bus depot by driving in a
proper speed in a steady manner, and avoid unnecessary acceleration and
resultant use of brakes as far as practicable especially during early morning
hours and at midnight peak hours;
|
|
Noise –
Fixed Plant Noise
|
§
Brake testing and engine testing activities shall be scheduled
to operate mainly during daytime and evening as far as practicable. Activities during the nighttime period
should be minimised;
|
|
Chemical
Waste Management
|
§
Minimise generation of chemical waste through
reducing the quantity in use and maximize reuse and recovery of used material
as far as practicable.
|
|
Diesel
Fuel or Chemical Spillage
|
§
Adopt best practices and comprehensive training to
the relevant staff engaged in the works to minimize the chance of spillage.
|
3.3
Time Schedule for
Setting Up the EMS
3.3.1
Development of an EMS prior to commencement of operational
activities at the bus depot is considered unusual. The EMS, environmental policy and environmental factors and the
programme are recommended to be reviewed during the detailed design stage and
then further developed during the operational phase. This will allow a practicable, reasonable and effective system be
gradually evolved and that new or revised environmental factors be incorporated
into the plan to effect the achievement of the environmental policy, and
continuous improvement. The prime
objectives are to ensure that the relevant control measures recommended in the
EIA in relation to the operational phase of the development can be effectively
implemented to further ensure that no unacceptable environmental impacts will
be generated during the operational phase of the bus depot.
