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Contents |
Chapter Title
Tables
Figures
Figure 1.2 Project Organisation Chart
Figure 2.1 Proposed Locations of Construction Air Monitoring Stations
Figure 3.1 Proposed Locations of Construction Noise Monitoring Stations
Figure 11.1 Flow Chart of Complaint Investigation Procedures
1
Introduction
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1.1
Purpose of the Manual
The purpose of this Environmental Monitoring and Audit (EM&A) Manual (hereafter referred to as the Manual) is to guide the setup of an EM&A programme to ensure compliance with the Environmental Impact Assessment (EIA) study recommendations, to assess the effectiveness of the recommended mitigation measures and to identify any further need for additional mitigation measures or remedial action. This Manual outlines the monitoring and audit programme proposed for the “Police Facilities in Kong Nga Po” (the Project).
It should be noted that this EM&A Manual would be further reviewed and updated where necessary.
1.2
Project Description
The Project consists of site formation works and building works for the co-location of various police facilities in the Project site at Kong Nga Po as well as road improvement works to a section of the existing Kong Nga Po Road between the police facilities and Man Kam To Road. The police facilities include:
¡ Lo Wu Firing Range (LWFR) to be relocated from Lo Wu;
¡ Ma Tso Lung Firing Range (MTLFR) to be relocated from Ma Tso Lung;
¡ Weapons Training Facilities (WTF) and Police Driving and Traffic Training Facilities (PD&TTF) to be relocated from Fan Garden;
¡ Helipad to be relocated from Lo Wu;
¡ A Proposed Police Training Facility (PTF); and
¡ A new internal access road network with underpass within the Project site.
The improvement works to Kong Nga Po Road between the police facilities and Man Kam To Road includes roadworks, viaduct of less than 100m between abutments, and associated works such as slopeworks and retaining walls.
In addition to the above, associated supporting infrastructure and utilities including an underground stormwater storage tank, sewage pumping station, petrol / diesel filling station, a multi-storey training complex associated with the PD&TFF, and other ancillary facilities will also be provided.
The arrangement of the above facilities is shown in Figure 1.1.
1.3
Tentative
Construction Programme
The design of the proposed project will commence in end-2016 / early 2017. The earliest site work is anticipated to commence in 2018 and complete by 2022.
Several options for construction programming were considered, including construction of the whole site at the same time versus phased construction of different ‘zones’ within the Project site. The former has the benefit of increased efficiency of construction works, but would be associated with the highest construction noise and dust emissions, while the latter would constrain the construction works efficiency, but would enable a reduction in construction noise and dust emissions. Taking into account the sensitivity of nearby sensitive receivers, the latter option has been adopted and the construction sequence has been optimised to avoid concurrent construction of particularly dusty and/or noisy activities within the same locations as far as practicable.
The tentative construction programme is shown in Appendix A.
1.4
Project Organisation
The proposed project organisation is shown in Figure 1.2. The responsibilities of respective parties are set out below.
1.4.1
Project
Proponent
Civil Engineering and Development Department (CEDD) is the Project Proponent for the development of the Project, and will assume overall responsibility for the construction of site formation and all infrastructure and utilities. Thereafter, the Project will be handed over to Architectural Services Department whom will take over responsibility for the construction of building works and as maintenance agent for Hong Kong Police Force (HKPF) during operation phase, while HKPF will be responsible for management and will be the main user of the individual police and associated facilities.
1.4.2
Environmental
Protection Department (EPD)
EPD is the statutory enforcement body for environmental protection matters in Hong Kong.
1.4.3
Engineer or Engineer’s Representative (ER)
The ER is responsible for overseeing the construction works and for ensuring that the works are undertaken by the contractor in accordance with the specification and contract requirements. The duties and responsibilities of the ER with respect to EM&A include:
¡ to monitor the Contractor’s compliance with Contract Specifications, including the effective implementation and operation of the environmental mitigation measures;
¡ to employ an Independent Environmental Checker (IEC) to audit the results of the EM&A works carried out by the Environmental Team (ET);
¡ to monitor Contractors’, ET’s and IEC’s compliance with the requirements in the Environmental Permit (EP) and EM&A Manual;
¡ to facilitate ET’s implementation of the EM&A programme;
¡ participate in joint site inspection by the ET and IEC;
¡ to oversee the implementation of the agreed Event / Action Plan in the event of any exceedance; and
¡ to adhere to the procedures for carrying out complaint investigation.
1.4.4
The Contractor
The Contractor should report to the ER. The duties and responsibilities of the Contractor include:
¡ to comply with the relevant contract conditions and specifications on environmental protection;
¡ to facilitate ET’s monitoring and site inspection activities;
¡ to participate in the site inspections undertake by the ET and IEC, and undertake any corrective actions;
¡ to provide information / advice to the ET regarding works programme and activities which may contribute to the generation of adverse environmental impacts;
¡ to submit proposals on mitigation measures in case of exceedance of Action and Limit levels in accordance with the Event / Action Plans;
¡ to implement measures to reduce impact where Action and Limit levels are exceeded; and
¡ to adhere to the procedures for carrying out complaint investigation.
1.4.5
Environmental Team (ET)
¡ to monitor and audit various environmental parameters as required in this EM&A Manual;
¡ to analyse the environmental monitoring and audit data, review the success of EM&A programme and the adequacy of mitigation measures implemented, confirm the validity of the EIA predictions and identify any adverse environmental impacts arising;
¡ to monitor compliance with conditions in the EP, environmental protection, pollution prevention and control regulations and contract specifications;
¡ to audit environmental conditions on site;
¡ to report on the environmental monitoring and audit results to EPD, the ER, the IEC and Contractor or their delegated representatives;
¡ to recommend suitable mitigation measures to the Contractor in the case of exceedance of Action and Limit levels in accordance with the Even and Action Plans;
¡ to liaise with the IEC on all environmental performance matters, and ensure timely submission of all relevant EM&A pro forma for IEC’s approval;
¡ to provide advice to the Contractor on environmental improvement, awareness and enhancement matters, etc. on site;
¡ to adhere to the procedures for carrying out complaint investigation;
¡ to prepare reports on the environmental monitoring data and the site environmental conditions;
¡ to submit the EM&A report to Director of Environmental Protection (DEP) timely;
¡ to review proposals of mitigation measures from the Contractor in case of exceedance of Action and Limit levels, in accordance with the Event and Action Plan; and
¡ to carry out site inspection to investigate and audit the Contractor’s site practice, equipment and work methodologies with respect to pollution control and mitigation measures.
1.4.6
Independent Environmental Checker (IEC)
¡ to provide proactive advice to the ER and the Project Proponent on EM&A matters related to the Project;
¡ to review and verify the monitoring data and all submissions in connection with the EP and EM&A Manual submitted by the ET;
¡ to arrange and conduct regular, at least monthly site inspections of the works during the construction phase, and to carry out ad hoc inspections if significant environmental problems are identified;
¡ to check compliance with the agreed Event / Action Plan in the event of any exceedance;
¡ to check compliance with the procedures for carrying out complaint investigation;
¡ to check the effectiveness of corrective measures;
¡ to feedback audit results to the ET by signing off relevant EM&A pro forma;
¡ to check that mitigation measures are effectively implemented;
¡ to report the works conducted, and the findings, recommendations and improvements of the site inspections, after reviewing ET’s and Contractor’s works, to the ER and the Project Proponent on a monthly basis;
¡ to verify the investigation result of the environmental complaint cases and the effectiveness of corrective measures;
¡ to verify EM&A report that has been certified by ET leader; and
¡ to audit EIA recommendations and requirements against the status of implementation of environmental mitigation measures on site.
The IEC shall notify the EPD within one working day of receipt of notification from the ET Leader of each and every change of circumstances or emergency events relating to violation of environmental legislation (such as illegal dumping and landfilling) or non-compliance (including suspects of non-compliance) with the recommendations of the approved EIA Report and the Environmental Permit, which might affect the monitoring or control of adverse environmental impacts from the Project. The IEC shall also accompany the EPD's representatives in carrying out site inspections and offer objective and professional advice on environmental issues when requested. The IEC shall allocate adequate resources for discharging the duties required in the Environmental Permit and the EM&A Manual.
1.5
Structure of this EM&A Manual
Following this Introduction section, the structure of this EM&A Manual has been set out as follows:
Section 2 – Air Quality Impact
Section 3 – Noise Impact
Section 4 – Water Quality Impact
Section 5 – Sewerage and Sewage Treatment Implications
Section 6 – Waste Management Implications
Section 7 – Land Contamination
Section 8 – Ecological Impact
Section 9 – Landscape and Visual Impact
Section 10 – Impact of Hazard to Life
Section 11 – Site Environmental Audit
Section 12 – Reporting
2
Air
Quality Impact
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2.1
Introduction
An assessment of potential air quality impact during both construction and operation phases of the Project have been assessed in Section 3 of the EIA Report. Fugitive dust impact, vehicular emission of NO2, RSP and FSP and chimney emissions within the 500m Study Area would be minimal. With the implementation of appropriate dust suppression measures stipulated in the Air Pollution Control (Construction Dust Regulation), adverse air quality impact is not anticipated.
In accordance with the EIA Report, with recommended mitigation measures properly in place, no adverse air quality impact is expected during the construction phase of the Project. However, regular inspections of the construction activities and works areas should be conducted during the construction phase to ensure proper implementation of the recommended mitigation measures.
2.2
Construction Phase Air Quality Monitoring
2.2.1
General
It is proposed to carry out environmental monitoring and audit during the construction phase of the Project to check and ensure compliance with the relevant air quality standards by effective implementation of the recommended construction dust mitigation measures. Potential air quality impact arising from the construction works would mainly be due to excavation, materials handling, spoil removal, wind erosion and land formation.
The key objectives of the construction phase dust monitoring are:
¡ to identify the extent of dust impact during construction phase on sensitive receivers;
¡ to audit the compliance of the Contractor with regard to dust control, contract conditions and the relevant dust impact criteria;
¡ to determine the effectiveness of mitigation measures to control fugitive dust emission from activities during the construction phase;
¡ to recommend further mitigation measures if found to be necessary, and;
¡ to comply with Action and Limit Levels for air quality as defined in this Manual.
Details of the environmental monitoring and audit requirements during construction phase are presented below.
2.2.2
Air Quality
Parameters
Monitoring and audit of the Total Suspended Particulate (TSP) levels during the construction phase should be carried out by the Environmental Team (ET) to ensure that any deteriorating air quality could be readily detected and timely actions taken to rectify the situation.
The TSP levels should be measured by following the standard method as set out in High Volume Method for Total Suspended Particulates, Part 50 Chapter 1 Appendix B, Title 40 of the Code of Federal Regulations of the USEPA (HVS method).
One-hour TSP levels should be measured to indicate the impacts of construction dust on air quality. Upon approval of the IEC, one-hour TSP levels can be measured by direct reading methods which are capable of producing comparable results as that by the HVS method, to indicate short event impacts.
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, other special phenomena and work progress of the concerned project area, etc should be recorded. A sample data record sheet is shown Appendix B. The ET may develop a project specific record sheet to suit this EM&A programme.
2.2.3
Monitoring
Equipment
High Volume Sampler (HVS) in compliance with the following specifications should be used for carrying out the one-hour TSP monitoring:
¡ 0.6 - 1.7 m3/min (20 - 60 standard cubic feet per minute) adjustable flow range;
¡ equipped with a timing / control device with +/- 5 minutes accuracy for 24 hours operation;
¡ installed with elapsed-time meter with +/- 2 minutes accuracy for 24 hours operation;
¡ capable of providing a minimum exposed area of 406 cm2 (63 in2);
¡ flow control accuracy: +/- 2.5% deviation over 24-hr sampling period;
¡ incorporated with an electronic mass flow rate controller or other equivalent devices;
¡ equipped with a flow recorder for continuous monitoring;
¡ provided with a peaked roof inlet;
¡ incorporated with a manometer;
¡ able to hold and seal the filter paper to the sampler housing at horizontal position;
¡ easy to change the filter, and;
¡ capable of operating continuously for 24-hour period.
The ET is responsible for provision of the monitoring equipment. They should ensure that sufficient numbers of HVSs with an appropriate calibration kit are available for carrying out the baseline monitoring, regular impact monitoring and ad hoc monitoring. The HVSs should 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., should be clearly labelled.
Initial calibration of dust monitoring equipment should be conducted upon installation and thereafter at bi-monthly intervals. The transfer standard should be traceable to the internationally recognised primary standard and be calibrated annually. The concern parties such as Independent Environmental Checker (IEC) should properly document the calibration data for future reference. All the data should be converted into standard temperature and pressure condition.
The flow-rate of the sampler before and after the sampling exercise with the filter in position should be verified to be constant and be recorded in the data sheet, shown in Appendix B.
If the ET proposes to use a direct reading dust meter to measure one-hour TSP levels, sufficient information should be submitted to the IEC to prove that the instrument is capable of achieving a comparable result to the HVS. The instrument should also be calibrated regularly, and the one-hour sampling should be determined periodically by the HVS to check the validity and accuracy of the results measured by direct reading method.
Wind data monitoring equipment should be provided and set up for logging wind speed and wind direction near the dust monitoring locations. The equipment installation location should be proposed by the ET and agreed with the IEC. For installation and operation of wind data monitoring equipment, the following points should be observed:
¡ the wind sensors should be installed 10 m above ground so that they are clear of obstructions or turbulence caused by buildings;
¡ the wind data should be captured by a data logger. The data should be downloaded for analysis at least once a month;
¡ the wind data monitoring equipment should be re-calibrated at least once every six months, and;
¡ wind direction should be divided into 16 sectors of 22.5 degrees each.
In exceptional situations, the ET may propose alternative methods to obtain representative wind data upon agreement from the IEC.
2.2.4
Laboratory
Measurement/ Analysis
A clean laboratory with constant temperature and humidity control, and equipped with necessary measuring and conditioning instruments to handle the dust samples collected, should be available for sample analysis, equipment calibration and maintenance. The laboratory should be HOKLAS accredited.
If a site laboratory is set up or a non-HOKLAS accredited laboratory is hired for carrying out the laboratory analysis, the laboratory equipment should be approved by EPD and the measurement procedures should be witnessed by the IEC. Any measurement performed by the laboratory should be demonstrated to the satisfaction of the IEC. The IEC should regularly audit to the measurement performed by the laboratory to ensure the accuracy of measurement results. The ET Leader should provide the IEC with one copy of the Title 40 of the Code of Federal Regulations, Chapter 1 (Part 50), Appendix B for his reference.
Filter paper of size 8" x 10" should be labelled before sampling. It should be a clean filter paper with no pinholes, and should be conditioned in a humidity-controlled chamber for over 24-hours and be pre-weighed before use for the sampling.
After sampling, the filter paper loaded with dust should be kept in a clean and tightly sealed plastic bag. The filter paper should then be returned to the laboratory for reconditioning in the humidity-controlled chamber followed by accurate weighing by an electronic balance with readout down to 0.1mg. The balance should be regularly calibrated against a traceable standard.
All collected samples should be kept in good condition for six months before disposal.
2.2.5
Monitoring
Location
Two air quality monitoring locations are proposed and summarised in Table 2.1 and shown in Figure 2.1, subject to approval from the premises landlord for dust monitoring equipment installation. The status and locations of dust sensitive receivers may change after issuing this report. If such cases exist, the ET should propose updated monitoring locations and seek agreement from EPD and IEC before baseline monitoring commences.
Table 2.1: Construction Air Quality Monitoring Stations
|
Monitoring Stations ID |
ASRs Name in the EIA Report |
Description |
|
AM1 |
A9 |
Village House, Kong Nga Po |
|
AM2 |
A11 |
Village House, Kong Nga Po |
When alternative monitoring locations are proposed, the proposed site should, as far as practicable:
¡ be at the site boundary or such locations close to the major dust emission source;
¡ be close to the sensitive receptors, and;
¡ take into account the prevailing meteorological conditions.
Monitoring equipment must be positioned, sited and orientated properly. The ET should consult with the IEC on the position of the HVS for the installation of the monitoring equipment. When positioning the samplers, the following points should be noted:
¡ a horizontal platform with appropriate support to secure the samplers against strong wind should be provided;
¡ no two samplers should be placed less than two meters apart;
¡ 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;
¡ a minimum of two meters of separation from walls, parapets and penthouses is required for rooftop samplers;
¡ a minimum of two meters separation from any supporting structure, measured horizontally is required;
¡ no furnace or incinerator flue is nearby;
¡ airflow around the sampler is unrestricted;
¡ the sampler is more than 20 meters from the dripline;
¡ wire fence or gates used to protect the sampler, should not cause any obstruction during monitoring;
¡ permission must be obtained to set up the samplers and to obtain access to the monitoring stations, and;
¡ a secured supply of electricity is needed to operate the samplers.
The ET may, depending on site conditions and monitoring results, decide whether additional monitoring locations should be included or any monitoring locations could be removed / relocated during any stage of the construction phase.
2.2.6
Baseline
Monitoring
Baseline monitoring should be conducted at all designated monitoring locations, see Table 2.1, for at least 14 consecutive days before commencement of construction work to obtain daily ambient 1-hour TSP samples. The selected baseline monitoring stations should reflect baseline conditions at the stations. One-hour sampling should also be done at least three times per day when the highest dust impacts are expected. The baseline monitoring will provide data for the determination of the appropriate Action Levels with the Limit Levels set against statutory or otherwise agreed limits. General meteorological conditions (wind speed, wind direction and precipitation) and notes regarding any significant adjacent dust producing sources should also be recorded throughout the baseline monitoring period.
During the baseline monitoring, there should not be any construction or dust generating activities in the vicinity of the monitoring stations. Before commencing baseline monitoring, the ET should inform the IEC of the baseline monitoring programme such that IEC can conduct on-site audit to ensure accuracy of the baseline monitoring results.
In case the baseline monitoring cannot be carried out at the designated monitoring locations during the baseline monitoring period, the ET leader should carry out the monitoring at alternative locations that can effectively represent the baseline conditions at the impact monitoring locations. The alternative baseline monitoring locations should be approved by the EPD and agreed with the IEC.
In exceptional cases, when insufficient baseline monitoring data or questionable results are obtained, the ET should liaise with the IEC to agree on an appropriate set of data to be used as a baseline reference and submit to EPD for approval. If the ET considers that significant changes in the ambient conditions have arisen, a repeat of the baseline monitoring may be carried out to update the baseline levels and air quality criteria, after consultation and agreement with the IEC and the EPD.
Ambient conditions may vary seasonally and should be reviewed once every six months. When the ambient conditions have changed and a repeat of the baseline monitoring is required to be carried out for obtaining the updated baseline levels; the monitoring should be at times when the Contractor's activities are not generating dust, at least 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 IEC and EPD.
2.2.7
Impact and
Compliance Monitoring
The monthly schedule of the compliance and impact monitoring programme should be drawn up by the ET one month prior to the commencement of the scheduled construction period
The ET should carry out impact monitoring at all the proposed monitoring stations throughout the entire construction work period. For one-hour TSP monitoring, the sampling frequency of at least three times in every six days should be undertaken when the highest dust impact occurs. Before commencing baseline monitoring, the ET should inform the IEC of the impact monitoring programme. The IEC can carry out on-site audit to ensure accuracy of the impact monitoring results.
In case of non-compliance with the air quality criteria, more frequent monitoring, as specified in the Action Plan, should be conducted within 24 hours after the result is obtained. This additional monitoring should be continued until the excessive dust emission or the deterioration in air quality is rectified and agreed with the ER and the IEC.
2.2.8
Audit
Requirement
Audit of the TSP levels should be carried out by the ET to ensure that any deteriorating air quality could be readily detected and timely action taken to rectify the situation.
2.2.9
Event and Action
Plan for Air Quality
Baseline monitoring results form the basis for determining the air quality criteria for the impact monitoring. The ET should compare the impact monitoring results with air quality criteria set up for one-hour TSP level. Air quality criteria which name Action and Limit (AL) Levels to be used are shown in Table 2.2. AL are to be agreed between the ET, IEC and submitted to EPD for approval prior to air monitoring commencement. Event and Action Plan (Table 2.3) list the action should be carried out when non-compliance of the air quality criteria occurs.
Table 2.2: Typical Action and Limit Level for Air Quality
|
Parameter |
Action Level |
Limit Level (μg/m³) |
|
1-hr TSP Level in μg/m3 |
For baseline level ≤ 384 μg/m³, Action level = (130% of baseline level + Limit level)/2 For baseline level > 384 μg/m³, Action level = Limit Level |
500 |
Table 2.3: Typical Event and Action Plan for Air Quality
|
Event |
ET |
IEC |
ER |
Contractor |
|
Action Level |
||||
|
1. Exceedance for one sample |
1. Identify source, investigate the causes of exceedance and propose remedial measures; 2. Inform IEC 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 |
1. Identify source; 2. Inform IEC and ER; 3. Advise the WKCDA on the effectiveness of the proposed remedial measures; 4. Repeat measurements to confirm findings; 5. Increase monitoring frequency to daily; 6. Discuss with IEC and Contractor on remedial actions required; 7. If exceedance continues, arrange meeting with IEC and ER; 8. If exceedance stops, cease additional monitoring. |
1. Check monitoring data submitted by ET; 2. Check Contractor’s working method; 3. Discuss with ET and Contractor on possible remedial measures; 4. Advise the ET on the effectiveness of the proposed remedial measures; 5. Monitor the implementation of remedial measures. |
1. Confirm receipt of notification of failure in writing; 2. Notify Contractor; 3. Ensure remedial measures properly implemented. |
1. Submit proposals for remedial to the ER within three working days of notification; 2. Implement the agreed proposals; 3. Amend proposal if appropriate. |
|
Limit Level |
||||
|
1. Exceedance for one sample |
1. Identify source, investigate the causes of exceedance and propose remedial measures; 2. Inform the ER, Contractor and EPD; 3. Repeat measurement to confirm finding; 4. Increase monitoring frequency to daily; 5. Assess effectiveness of Contractor’s remedial actions and keep IEC, EPD and the ERinformed of the results. |
1. Check monitoring data submitted by ET; 2. Check Contractor’s working method; 3. Discuss with ET and Contractor on possible remedial measures; 4. Advise the ER on the effectiveness of the proposed remedial measures; 5. Monitor the implementation of remedial measures. |
1. Confirm receipt of notification of failure in writing; 2. Notify Contractor; 3. Ensure remedial measures properly implemented. |
1. Take immediate action to avoid further exceedance; 2. Submit proposals for remedial actions to IEC within three working days of notification; 3. Implement the agreed proposals; 4. Amend proposal if appropriate. |
|
2. Exceedance for two or more consecutive samples |
1. Notify IEC, the ER, Contractor and EPD; 2. Identify source; 3. Repeat measurement to confirm findings; 4. Increase monitoring frequency to daily; 5. Carry out analysis of Contractor’s working procedures to determine possible mitigation to be implemented; 6. Arrange meeting with IEC and the ER to discuss the remedial actions to be taken; 7. Assess effectiveness of Contractor’s remedial actions and keep IEC, EPD and the ER informed of the results; 8. If exceedance stops, cease additional monitoring. |
1. Check monitoring data submitted by ET; 2. Check Contractor’s working method; 3. Discuss amongst the ER, ET, and Contractor on the potential remedial actions; 4. Review Contractor’s remedial actions whenever necessary to assure their effectiveness and advise the ER accordingly; 5. Monitor the implementation of remedial measures. |
1. Confirm receipt of notification of failure in writing; 2. Notify Contractor; 3. In consolidation with the IEC, agree with the Contractor on the remedial measures to be implemented; 4. Ensure remedial measures properly implemented; 5. If exceedance continues, consider what portion of the work is responsible and instruct the Contractor to stop that portion of work until the exceedance is abated. |
1. Take immediate action to avoid further exceedance; 2. Submit proposals for remedial actions to IEC within three working days of notification; 3. Implement the agreed proposals; 4. Resubmit proposals if problem still not under control; 5. Stop the relevant portion of works as determined by the ER until the exceedance is abated. |
2.2.10 Mitigation Measures
Appropriate dust suppression measures should be adopted as required under the relevant requirements stipulated in the Air Pollution Control (Construction Dust) Regulation and the good practices for dust control should be implemented to reduce the dust impact. A control programme can be instigated to monitor the construction process in order to enforce dust controls and modify methods of works where feasible to reduce the dust emission down to acceptable levels. The implementation schedule of recommended air quality mitigation measures is presented in Appendix C.
2.3
Operational Phase Air Quality Monitoring
No ASRs are predicted to exceed the relevant criteria under
the relevant AQOs. No monitoring during operation phase is required.
3
Noise
Impact
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3.1
Introduction
An assessment of potential noise impacts during both the construction and operational phases of the Project has been assessed in Section 4 of the EIA report.
3.2
Construction Phase Airborne Noise Monitoring
3.2.1
Noise Parameter
The construction noise level should be measured in terms of the A-weighted equivalent continuous sound pressure level (Leq). Leq (30 minutes) should be used as the monitoring parameter between 0700 and 1900 hours on normal weekdays. For all other time periods, Leq (5 minutes) should be employed for comparison with the Noise Control Ordinance (NCO) criteria.
As supplementary information for data auditing, statistical results such as L10 and L90 should also be obtained for reference. A sample data record sheet is shown in Appendix B.
3.2.2
Monitoring Equipment
As referred to in the Technical Memorandum (TM) issued under the NCO, sound level meters in compliance with the International Electrotechnical Commission Publications 651:1979 (Type 1) and 804:1985 (Type 1) specifications should be used for carrying out the noise monitoring. Immediately prior to and following each noise measurement the accuracy of the sound level meter should 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 nose measurement agrees to within 1.0 dB.
Noise measurements should not be made in accordance with standard acoustical principles and practices in relation to weather conditions.
The ET is responsible for the availability of monitoring equipment and should 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 should be clearly labelled.
3.2.3
Monitoring Locations
The noise monitoring locations as shown in Figure 3.1 are summarised in Table 3.1. The status and locations of noise sensitive receivers may change after issuing this manual. If such cases exist, the ET should propose updated monitoring locations and seek agreement from the IEC and EPD on the proposal.
Table 3.1: Construction Noise Monitoring Stations
|
ID |
ID adopted in EIA |
Description |
|
NM1 |
N1a |
Village House, Sha Ling |
|
NM2 |
N2a |
Village House, Sha Ling |
|
NM3 |
N3a |
Village House No. 248, Sha Ling |
|
NM4 |
N4a |
Village House, Sha Ling |
|
NM5 |
N5a |
Village House No. 272, Sha Ling |
|
NM6 |
N6a |
Village House, Sha Ling |
|
NM7 |
N7a |
Village House, Sha Ling |
|
NM8 |
N8a |
Village House, Sha Ling |
|
NM9 |
N9a |
Village House, Kong Nga Po |
|
NM10 |
N10a |
Village House, Kong Nga Po |
|
NM11 |
N11a |
Village House, Kong Nga Po |
|
NM12 |
N12a |
Village House, Kong Nga Po |
|
NM13 |
N13 |
Village House, Kong Nga Po |
|
NM14 |
N14 |
Village House, near Man Kam To Road |
When alternative monitoring locations are proposed, the monitoring locations should be chosen based on the following criteria:
¡ Monitoring at sensitive receivers close to the major site activities which are likely to have noise impacts;
¡ Monitoring at the noise sensitive receivers as defined in the Technical Memorandum; and
¡ Assurance of minimal disturbance to the occupants during monitoring.
The monitoring station should normally be at a point 1 m from the exterior of the sensitive receivers building facade and be at position 1.2 m above the ground. If there is a problem with access to the normal monitoring position, an alternative position may be chosen, and a correction to the measurements should be made. For reference, a correction of +3 dB(A) should be made to the free field measurements. The ET should agree with the IEC on the monitoring position and the corrections adopted. Once the positions for the monitoring stations are chosen, the baseline monitoring and the impact monitoring should be carried out at the same positions.
3.2.4
Baseline Monitoring
The ET should carry out baseline noise monitoring prior to the commencement of the project-related construction activities. The baseline monitoring should be carried out daily for a period of at least two weeks. The commencement date of baseline monitoring shall be agreed between the ET and IEC to ensure timely submission of the baseline monitoring report to EPD. Before commencing the baseline monitoring, the ET should develop and submit to the IEC the baseline monitoring programme such that the IEC can conduct on-site audit to check accuracy of the baseline monitoring results.
There should not be any construction activities in the vicinity of the stations during the baseline monitoring.
In exceptional cases, when insufficient baseline monitoring data or questionable results are obtained, the ET should liaise with EPD and IEC to agree on an appropriate set of data to be used as a baseline reference and submit to IEC for agreement and EPD for approval.
3.2.5
Impact Monitoring
Noise monitoring should be carried out at all the designated monitoring stations when there are project-related construction activities undertaken. The monitoring frequency should depend on the scale of the construction activities. The following is an initial guide on the regular monitoring frequency for each station on a weekly basis when noise generating activities are underway:
¡ One set of measurements between 0700-1900 hours on normal weekdays;
If construction works are extended to include works during the hours of 1900-0700 as well as public holidays and Sundays, additional impact monitoring (including monitoring locations) during respective periods of restricted hours should be subject to the CNP requirements by EPD. Applicable permits under NCO should also be obtained by the Contractor.
In case of non-compliance with the construction noise criteria, more frequent monitoring, as specified in the Event and Action Plan in Table 3.3, should be carried out. This additional monitoring should be continued until the recorded noise levels are rectified or demonstrated to be unrelated to the construction activities.
3.2.6
Event and Action Plan
The Action and Limit (AL) Levels for construction noise are defined in Table 3.2. Should non-compliance of the criteria occur, action in accordance with the Event and Action Plan in Table 3.3 should be carried out.
Table 3.2: Action and Limit Level for Construction Noise
|
Time Period |
Action |
Limit |
|
0700-1900 hours on normal weekdays |
When one valid documented complaint is received. |
75 dB(A) |
Notes: If works are to be carried out during restricted hours, the conditions stipulated in the Construction Noise Permit (CNP) issued by the Noise Control Authority have to be followed.
Table 3.3: Event and Action Plan for Construction Noise
|
Event |
Action |
|||
|
ET |
IEC |
ER |
Contractor |
|
|
Action Level |
1. Notify ER, IEC and Contractor; 2. Carry out investigation; 3. Report the results of investigation to the IEC, ER and Contractor; 4. Discuss with the IEC and Contractor on remedial measures required; 5. Increase monitoring frequency to check mitigation effectiveness. |
1. Review the investigation results submitted by the ET; 2. Review the proposed remedial measures by the Contractor and advise the ER accordingly; 3. Advise the ER on the effectiveness of the proposed remedial measures. |
1. Confirm receipt of notification of failure in writing; 2. Notify Contractor; 3. In consolidation with the IEC, agree with the Contractor on the remedial measures to be implemented; 4. Supervise the implementation of remedial measures. |
1. Submit noise mitigation proposals to IEC and ER; 2. Implement noise mitigation proposals. |
|
Limit Level |
1. Inform IEC, ER, Contractor and EPD; 2. Repeat measurements to confirm findings; 3. Increase monitoring frequency; 4. Identify source and investigate the cause of exceedance; 5. Carry out analysis of Contractor’s working procedures; 6. Discuss with the IEC, Contractor and ER on remedial measures required; 7. Assess effectiveness of Contractor’s remedial actions and keep IEC, 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. |
1. Confirm receipt of notification of failure in writing; 2. Notify Contractor; 3. In consolidation with the IEC, agree with the Contractor on the remedial measures to be implemented; 4. Supervise the implementation of remedial measures; 5. If exceedance continues, consider stopping the Contractor to continue working on that portion of work which causes the exceedance until the exceedance is abated. |
1. Take immediate action to avoid further exceedance; 2. Submit proposals for remedial actions to IEC and ER within 3 working days of notification; 3. Implement the agreed proposals; 4. Submit further proposal if problem still not under control; 5. Stop the relevant portion of works as instructed by the ER until the exceedance is abated. |
3.2.7
Mitigation Measures
Recommended construction noise control and mitigation measures are proposed in the EIA report. The Contractor should be responsible for the design and implementation of these measures under the supervision of the ER and monitored by the ET. The implementation schedule of the recommended noise mitigation measures is presented in Appendix C.
3.3
Operational Phase Airborne Noise Monitoring
3.3.1
Road Traffic
Noise Monitoring
No adverse noise impact is anticipated from road traffic, therefore no environmental monitoring and audit is proposed.
3.3.2
Fixed Plant
Noise Monitoring
3.3.2.1 Maximum Permissible Sound
Power Levels of Fixed Plant
The maximum permissible sound power levels of the identified fixed plant noise sources of the Project were predicted in the EIA report. The Contractor should properly implement those identified fixed plant noise sources under the specified sound power levels or lower so that the noise impact associated with the fixed plant operations would fully comply with the noise standards stipulated in the EIAO-TM and NCO.
3.3.2.2 Commissioning Test
Prior to the operation of the Project, the Contractor should conduct noise commissioning tests for fixed plant within KNP (i.e. ventilation openings, sewage pumping station and petrol / diesel filling station). The test should be carried out by a qualified person possessing at least 7 years of noise control experience and a corporate membership of Hong Kong Institute of Acoustics or equivalent. The noise commissioning test report should be submitted to the ET, IEC and ER for approval.
3.3.3
Helicopter Noise
Monitoring
This study has incorporated all practicable means to avoid the helicopter noise impacts, including treatment of source, restricting approach / taking-off flight paths and flight angles, and implementing at lease 2.5m perimeter wall / boundary wall at the Project site without compromising flight safety. Hence, no environmental monitoring and audit is proposed.
Should the need arise, the local community may lodge noise complaint with the HKPF Office by the following means:
§ Fax: 2200 4376
§ Email: policecollege@police.gov.hk
§ Address: Hong Kong Police College (Headquarters), 20/F, Arsenal House, 1 Arsenal Street, Wan Chai, Hong Kong
3.3.4
Mitigation
Measures
The relevant noise mitigation measures have been recommended in the EIA report. The implementation schedule of the mitigation measures are given in Appendix C.
4
Water
Quality Impact
|
4.1
Introduction
The potential construction and operation phase water quality impacts associated with the Project are assessed in Chapter 5 of the EIA report. With the implementation of the recommended mitigation measures during construction phase and the proposed design, operation and management measures during the operation phase, it is predicted that all potential impacts would be adequately controlled. Therefore, no adverse water quality impacts are expected during construction and operation phase.
4.2
Construction Phase Water Quality Monitoring and Audit
Adverse water quality impacts were not predicted during the construction phase of the Project, thus water quality monitoring is not considered necessary. Nevertheless, appropriate mitigation measures are recommended to minimise potential water quality impacts, and regular site audits should be undertaken during construction phase to ensure the recommended mitigation measures are properly implemented.
Site audits shall check that the mitigation measures identified in Appendix C are properly implemented throughout construction phase as part of regular site inspections and audits.
4.3
Operational Phase
With the implementation of the recommended mitigation measures, no adverse impacts are anticipated during operation of the Project. Therefore, no specific water quality monitoring and audit programme is required during operation phase.
5
Sewerage
and Sewage Treatment Implications
|
5.1
General
The potential sewerage and sewage treatment implications associated with the Project are evaluated in Chapter 6 of the EIA report. With the implementation of the recommended design and operation measures, all potential impacts would be adequately controlled. Therefore, no adverse sewerage and sewage treatment implications are expected, and no specific monitoring is required.
6
Waste
Management Implications
|
6.1
Introduction
The potential waste arising from the construction and operation activities of the Project has been evaluated in the EIA report. Provided that all wastes are handled, transported and disposed of in strict accordance with the relevant legislative requirements and the recommended mitigation measures are properly implemented, no adverse environmental impact is expected during the construction and operation phases.
6.2
Construction Phase Waste Management Implications
It would be the Contractor’s responsibility to ensure that all wastes produced during the construction phase of the Project are handled, stored and disposed of in accordance with good waste management practices and the relevant regulations and requirements. The recommended mitigation measures should form the basis of the Waste Management Plan (WMP) to be developed by the Contractor throughout the construction period. The WMP shall be prepared and implemented in accordance with ETWB TC (W) No. 19/2005 Environmental Management on Construction Site.
Throughout the construction phase of the Project, regular site inspection as part of the EM&A procedures should be carried out to determine if wastes are being managed in accordance with approved procedures and the WMP. Different aspects of waste management including waste generation, storage, recycling, treatment, transport and disposal would be included in the programme.
6.3
Operational Phase Waste Management Implications
Wastes produced during operation phase would be mainly comprised of general refuse, chemical waste, and cartridge casings and bullet heads. With the implementation of the recommended mitigation measures for handling, transportation and disposal of the identified waste arisings, no adverse impacts are anticipated during operation phase of the Project. Therefore, no specific waste monitoring during operation phase is required.
7
Land
Contamination
|
7.1
Introduction
Desktop study and site appraisal have been conducted during EIA study and potential land contamination issue was not identified in the Study Area. With the recommended mitigation measures in place, no land contamination would be expected to arise and no adverse impacts are anticipated during construction and operation phases.
7.2
Construction Phase Land Contamination Monitoring
No potential land contamination issues have been identified for the Project and based on this finding no specific mitigation measures are necessary.
Nevertheless, in any case where contaminated soil is identified after the commencement of works, the requisite land contamination assessment process under EIAO should be conducted and if contamination is confirmed, remediation works should be carried out. In such an event, bulk excavation of soil for decontamination works would take place and environmental monitoring of decontamination works should be considered, with such monitoring to include regular site inspections.
7.3
Operational
Phase Land Contamination Monitoring
The planned land uses within the Project will mainly include firing training, weapons training, and driving and traffic training and helipad for the HKPF. With the recommended mitigation measures as mentioned in Appendix C are in place, no land contamination would be expected to arise and no adverse impacts are anticipated.
8
Ecological
Impact
|
8.1
Introduction
The ecological impact assessment in the EIA report has evaluated the ecological consequences of the Project and concluded that the overall impacts would be of minor significance with the implementation of mitigation measures.
The precautionary and mitigation measures proposed for the Project include erection and maintenance of temporary protective fence enclosing flora species of conservation interest, proper transplantation proposal for species not preserved on site, and inclusion of butterfly larval food plants in the proposed vegetation planting. The proposed ecological mitigation measures to avoid, minimise and compensate the identified impacts arising from the proposed project shall be checked as part of the EM&A programme during the construction and operation phases.
8.2
Ecological Precautionary and Mitigation Measures
Ecological precautionary and mitigation measures were designed in accordance with Annex 16 of the EIAO-TM which states the general policy and guidance in planning of ecological measures. The implementation schedule of the recommended mitigation measures is presented in Appendix C.
8.3
Environmental Monitoring and Audit
8.3.1
Baseline
Monitoring
8.3.1.1 Detailed Vegetation Survey
for Flora Species of Conservation Interest
According to the EIA finding, some individuals of the three flora species of conservation interest within the Project Site, namely Cycad-fern Brainea insignis, Fortune's Keteleeria Keteleeria fortunei and Ladies Tresses Spiranthes sinensis, are in direct conflict with the proposed works and in-situ preservation may not be practicable. As the abundance of flora species recorded in the EIA stage may be varied in the detailed design stage, conducting a detailed vegetation survey as baseline monitoring to confirm the exact locations, number and condition of individuals of any flora species of conservation interest within the proposed works prior to the commencement of site clearance is recommended. A qualified botanist / ecologist with at least 5 years of experience in flora study or survey shall be appointed to carry out the detailed vegetation survey. The scope of the detailed vegetation survey shall include the following:
¡ checking and updating the number, locations and condition of Cycad-fern Brainea insignis, Fortune's Keteleeria Keteleeria fortunei and Ladies Tresses Spiranthes sinensis identified and any other flora species of conservation interest by actively searching within the works boundary;
¡ preparing an updated location plan showing the locations of individuals of Cycad-fern Brainea insignis, Fortune's Keteleeria Keteleeria fortunei and Ladies Tresses Spiranthes sinensis and any other flora species of conservation interest identified within the works boundary during the detailed vegetation survey;
¡ confirming whether any of the individuals of Cycad-fern Brainea insignis, Fortune's Keteleeria Keteleeria fortunei and Ladies Tresses Spiranthes sinensis and any other flora species of conservation interest identified within the works boundary during the detailed vegetation survey will likely be directly affected by the proposed works of the Project;
¡ for individuals of Cycad-fern Brainea insignis, Fortune's Keteleeria Keteleeria fortunei and Ladies Tresses Spiranthes sinensis and any other flora species of conservation interest not anticipated to be directly affected, recommending protective measures of identified individuals for each species where in situ preservation is feasible; and
¡ for individuals of Cycad-fern Brainea insignis, Fortune's Keteleeria Keteleeria fortunei and Ladies Tresses Spiranthes sinensis and any other flora species of conservation interest likely to be directly affected, preparing a transplantation proposal which includes detailed methodology of transplantation for each species, plans with proposed recipient locations, post-transplantation maintenance schedule for each species and detailed implementation programme.
A Detailed Vegetation Survey Report summarising the findings and recommendations of the detailed vegetation survey shall be prepared and submitted to AFCD for approval no later than one month prior to commencement of site clearance.
8.3.2
Environmental
Monitoring
8.3.2.1 Monitoring of Flora Species
of Conservation Interest
During construction phase, temporary protective fence shall be erected enclosing the flora species of conservation interest identified under the detailed vegetation survey. The temporary protective fence shall be properly maintained and monitoring for the effectiveness. Monthly monitoring of individuals of Cycad-fern Brainea insignis, Fortune's Keteleeria Keteleeria fortunei and Ladies Tresses Spiranthes sinensis and any other flora species of conservation interest identified in the detailed vegetation survey shall be conducted during the construction phase to make sure that the flora species of conservation interest are not affected by the construction activities of the Project. The ET shall inspect whether the temporary protective fence is properly erected and maintained during construction for adequate protection of the individuals and record the conditions of the individuals of Cycad-fern Brainea insignis, Fortune's Keteleeria Keteleeria fortunei and Ladies Tresses Spiranthes sinensis and any other flora species of conservation interest identified in the detailed vegetation survey.
9
Landscape
and Visual Impacts
|
9.1
Introduction
The EIA Report has recommended mitigation measures for landscape and
visual resources to be undertaken during both the construction and operation phases
of the Project. The implementation and maintenance of landscape compensatory
planting measures is a key aspect of this and shall be checked to ensure that
they are fully realised and that potential conflicts between the proposed
landscape measures and any other project works and operational requirements are
resolved at the earliest possible date and without compromise to the intention
of the mitigation measures. In addition, implementation of the mitigation
measures recommended by the EIA shall be monitored throughout the construction
phase site audit programme.
9.2
Baseline
Monitoring
Baseline monitoring for the landscape and visual resources shall comprise a one off survey to be conducted prior to commencement of any construction works. The commencement date of baseline monitoring shall be agreed between the ET, IEC and ER to ensure timely submission of the baseline monitoring report to EPD and relevant authorities. The objectives of the landscape and visual baseline monitoring are:
¡ to verify the status of the Landscape Resources (LRs) and Landscape Character Areas (LCA) within and in close proximity to the construction site and works areas;
¡ to determine whether any change has occurred to the status of the LRs since the EIA;
¡ to determine whether amendments in the design of the landscape and visual mitigation measures are required for any identified changes in the status of the LRs; and
¡ to recommend any necessary amendments to the design of the landscape and visual mitigation measures.
A photographic record of the site at the time of the contractor’s possession of the site shall be prepared by the contractor and approved the ER. The approved photographic record shall be submitted to the Project Proponent, ET, IEC and EPD for record.
The landscape and visual baseline shall be determined with reference to the Landscape Resources and Landscape Character Area maps included in the EIA Report.
9.3
Landscape and
Visual Mitigation Measures
Mitigation measures proposed to avoid and reduce the identified impacts during the construction stage are listed in Table 9.1. Detailed description of these mitigation measures are shown in Appendix C.
Table 9.1: Proposed Visual Enhancement and Landscape Mitigation Measures – Construction Phase
|
ID No. |
Mitigation Measures |
Mitigate Landscape Impacts |
Mitigate Visual Impacts |
Funding Agency# |
Implementation Agency |
Management Agency |
Maintenance Agency |
|
CM01 |
Tree Protection and Preservation |
√ |
|
CEDD (ArchSD - once site is handed over) |
Contractor |
Contractors during construction |
Contractors during construction |
|
CM02 |
Tree Transplantation |
√ |
√ |
CEDD |
Contractor |
Contractors during construction |
Contractors during construction |
|
CM03 |
Works Area and Temporary Works Areas |
√ |
√ |
CEDD (ArchSD - once site is handed over) |
Contractor |
Contractors during construction |
Contractors during construction |
|
CM04 |
Advance Implementation of Mitigation Planting |
√ |
√ |
CEDD (ArchSD - once site is handed over) |
Contractor |
Contractors during construction |
Contractors during construction |
|
CM05 |
Decorative Screen Hoarding |
|
√ |
CEDD (ArchSD - once site is handed over) |
Contractor |
Contractors during construction |
Contractors during construction |
|
# CEDD is responsible for the site formation and infrastructure works; ArchSD is responsible for the building works |
|||||||
Mitigation measures proposed to remedy and compensate unavoidable impacts during the operation phase (it should be noted that while the benefits of these mitigation measures will be apparent in the operation phase, many of the measures are implemented either partially or entirely in the design phase) are listed in Table 9.2. Detailed description of these mitigation measures are shown in Appendix C.
Table 9.2: Proposed Visual Enhancement and Landscape Mitigation Measures – Operation Phase
|
ID No. |
Mitigation Measures |
Mitigate Landscape Impacts |
Mitigate Visual Impacts |
Funding Agency# |
Implementation Agency |
Management Agency |
Maintenance Agency |
|
OM01 |
Detailed Design Considerations |
√ |
√ |
ArchSD (for building works) CEDD (for others) |
Detailed Designer / Consultants |
N/A |
N/A |
|
OM02 |
Aesthetically Pleasing Design and Responsive Design of Buildings and Structures |
√ |
√ |
ArchSD (for building works) CEDD (for others) |
Detailed Designer / Consultants |
N/A |
N/A |
|
OM03 |
Design of Engineering Structures |
√ |
√ |
CEDD |
Detailed Designer / Consultants |
N/A |
N/A |
|
OM04 |
Design of Retaining Walls and Slopes |
√ |
√ |
CEDD |
Detailed Designer / Consultants |
N/A |
N/A |
|
OM05 |
Compensatory Planting Proposals |
√ |
|
CEDD |
Contractors |
Project site: HKPF Kong Nga Po Road: HyD |
Project site: Term contractor employed by HKPF Kong Nga Po Road: LCSD / HyD |
|
OM06 |
Landscape Buffer Tree Planting |
√ |
√ |
CEDD (ArchSD - once site is handed over) |
Contractors |
Project site: HKPF Kong Nga Po Road: HyD |
Project site: Term contractor employed by HKPF Kong Nga Po Road: LCSD / HyD |
|
OM07 |
Roadside and Amenity Planting |
√ |
√ |
CEDD (ArchSD - once site is handed over) |
Contractors |
Project site: HKPF Kong Nga Po Road: HyD |
Project site: Term contractor employed by HKPF Kong Nga Po Road: LCSD / HyD |
|
OM08 |
Grassland |
√ |
√ |
CEDD (ArchSD - once site is handed over) |
Contractors |
HKPF |
Term contractor employed by HKPF |
|
OM09 |
Green Roof |
√ |
√ |
ArchSD |
Contractors |
HKPF |
Term contractor employed by HKPF |
|
OM10 |
Vertical Greening |
√ |
√ |
ArchSD (for building) CEDD (for others) |
Contractors |
Project site: HKPF Along Kong Nga Po Road: HyD |
Term contractor employed by HKPF Kong Nga Po Road: LCSD / HyD |
|
OM11 |
Green Paving |
√ |
|
CEDD (ArchSD - once site is handed over) |
Contractors |
HKPF |
Term contractor employed by HKPF |
|
OM12 |
Light Control (Operation) |
|
√ |
HyD (for external roads) ArchSD (for buildings, structures and internal roads |
Contractors |
For buildings, structures and internal roads – HKPF For external roads – HyD |
For buildings, structures and internal roads – Contractor / ArchSD For external roads – HyD |
|
# CEDD is responsible for the site formation and infrastructure works; ArchSD is responsible for the building works |
|||||||
9.4
Construction
Phase Landscape and Visual Monitoring
An approved landscape specialist contractor shall be employed by the contractor for the implementation of landscape construction works and subsequent maintenance operations.
All measures undertaken by both the contractor and the landscape specialist contractor during the construction phase shall be audited by a Registered Landscape Architect (RLA), as a member of the ET, on a regular basis to ensure compliance with the intended aims of the measures. Site inspections shall be undertaken at least once every two weeks during the construction phase.
The broad scope of the audit is detailed below:
¡ The extent of the agreed works areas shall be regularly checked during the construction phase. Any trespassing by the contractor outside the limit of works, including any damage to existing trees and woodland, shall be noted and remedial action determined;
¡ The progress of the engineering works all be regularly reviewed on site to identify the earliest practical opportunities for the landscape works to be undertaken;
¡ All existing trees and vegetation within the study area which are not directly affected by the works shall be retained and protected;
¡ The methods of protecting existing vegetation proposed by the contractors shall be fully enforced;
¡ All landscaping works shall be carried out in accordance with the contract specifications;
¡ The planting of trees and shrubs shall be carried out properly and within the right season as far as practicable;
¡ The species and mix of the new trees and shrubs to be planted shall be suitable for their specific proposed locations; and
¡ Undertake tree risk assessment for all existing trees and newly planted trees in accordance with the Guidelines for Tree Risk Assessment and Management Arrangement.
9.5
Operation Phase
Landscape and Visual Monitoring
An approved landscape specialist contractor shall be employed by the contractor for the implementation of landscape maintenance operations during the 12-month establishment period. The establishment works shall be undertaken throughout the contractor’s one year maintenance period which will be within the first operation year of the Project.
All measures undertaken by both the contractor and the landscape specialist contractor during the first year of the operation phase shall be audited by a RLA, as a member of the ET, on a regular basis to ensure compliance with the intended aims of the measures. Site inspections shall be undertaken at least once every two months during the first year of the operation phase.
The broad scope of the audit is detailed below. Operation phase auditing will be restricted to the 12-months establishment works of the landscaping proposals, with the relevant parties taking over the maintenance and monitoring after this period (see Table 9.1 and Table 9.2), and thus only the items below concerning this period are relevant to the operation phase:
¡ The newly planted trees and grassed areas shall be maintained throughout the establishment period, particularly in respect of the following:
– Regular watering, weeding and fertilising of all trees and shrub planting and areas of grass reinstatement;
– Regular grass cutting for reinstated grassed areas;
– Prior to typhoon season undertake survey of trees for structural stability and check tree guys and staking;
– Firming up of trees after periods of strong winds;
– Regular checks for eradication of pests, fungal infection, etc.;
– Pruning and removal of dead or broken branches;
– Prompt replacement of dead, dying and/or unsatisfactory plants and reseeding of failed areas of grass; and
– Undertake tree risk assessment for all existing trees and newly planted trees in accordance with the Guidelines for Tree Risk Assessment and Management Arrangement.
The design, implementation and maintenance of landscape and visual mitigation measures shall be checked to ensure that any potential conflicts between the proposed landscape measures and any other works for the project would be resolved as early as practical without affecting the implementation of the mitigation measures.
Site inspection and audit shall be undertaken as necessary in the construction and operation phases.
Table 9.3: Monitoring Programme for Landscape and Visual Mitigation Measures
|
Stage |
Monitoring Task |
Monitoring Report |
Form of Approval |
Frequency |
|
Construction |
Checking of the contractor’s operations during the construction period. |
Report on Contractor's compliance, by ET |
Counter signature of report by IEC |
Every two weeks |
|
Establishment Works |
Checking of the planting works during the twelve-month Establishment Period after completion of the construction works. |
Report on Contractor's compliance, by ET |
Counter signature of report by IEC |
Every two months |
9.6
Event and Action
Plan
Should non-compliance of the landscape and visual impacts occur, actions in accordance with the Event and Action Plan stated in Table 9.4 below shall be carried out.
Table 9.4: Event and Action Plan for Landscape and Visual Mitigation Measures
|
|
Action |
|||
|
Event Action Level |
ET |
IEC |
ER |
Contractor |
|
Non-conformity on one occasion |
Identify source. Inform IEC and ER. Discuss remedial actions with IEC, ER and Contractor. Monitor remedial actions until rectification has been completed. |
Check report. Check Contractor’s working method. Discuss with ET and Contractor on possible remedial measures. Advise ER on effectiveness of proposed remedial measures. Check implementation of remedial measures. |
Notify Contractor. Ensure remedial measures are properly implemented |
Amend working methods to prevent recurrence of nonconformity. Rectify damage and undertake additional action necessary. |
|
Repeated Nonconformity |
Identify source. Inform IEC and ER. Increase monitoring frequency. Discuss remedial actions with IEC, ER and Contractor. Monitor remedial actions until rectification has been completed. If non-conformity stops, cease additional monitoring. |
Check monitoring report. Check Contractor’s working method. Discuss with ET and Contractor on possible remedial measures. Advise ER on effectiveness of proposed remedial measures. Supervise implementation of remedial measures. |
Notify Contractor. Ensure remedial measures are properly implemented. |
Amend working methods to prevent recurrence of nonconformity. Rectify damage and undertake additional action necessary. |
Notes: IEC - Independent
Environmental Checker
10 Impact of Hazard to Life
|
10.1
General
The hazard to life assessment has concluded that individual risk and societal risk of SSWTW, OWTF2 and the proposed facility itself are of the ‘acceptable’ range for both construction stage and operation stage. Therefore, implementation of further risk mitigation measures is not required, and no specific environmental monitoring and audit is necessary.
Although risk mitigation measures are not required for this project, some measures / good practices are recommended and summarized below:
1. All DG stores should be constructed according to the standards and recommendations by FSD, having adequate fire-fighting facilities, proper ventilation and fire-proofing requirement.
2. All DGs such as paints and solvents should be stored in their respective DG rooms.
3. Adequate fire-fighting equipment, such as fire extinguishers, fire sand etc. should be present during kerosene refuelling operation at the helipad.
4. Proper earthing equipment and procedures should be in place to prevent accumulation of static electricity during kerosene refuelling operation.
5. GFS kerosene road tanker and the helicopter pilot should follow the established protocol for arriving at the helipad to prevent helicopter crashing on the road tanker.
6. Refuelling will only be performed in daytime
7. Underground storage tanks will be used for petrol/diesel storage
8. Kerosene pump will be equipped with pressure switch to prevent overfilling
11
Site
Environmental Audit
|
11.1
Site Inspection
Site inspections provide a direct means to trigger and enforce the specified environmental protection and pollution control measures. They should be undertaken 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. 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.
¡ the EIA and EM&A recommendations on environmental protection and pollution control mitigation measures;
¡ the EP conditions;
¡ ongoing results of the EM&A programme;
¡ works progress and programme;
¡ individual works methodology proposals (which should include proposal on associated pollution control measures);
¡ contract specifications on environmental protection;
¡ relevant environmental protection and pollution control laws; and
¡ previous site inspection results undertaken by the ET and others.
11.2
Compliance with
Legal and Contractual Requirements
There are contractual environmental protection and pollution control requirements as well as environmental protection and pollution control laws in Hong Kong with which construction activities must comply.
In order that the works are in compliance with the contractual requirements, relevant sections (e.g. sections related to environmental measures) of works method statements submitted by the Contractor to the ER for approval should be sent to the ET Leader for vetting to see whether sufficient environmental protection and pollution control measures have been included.
The ET Leader should also keep himself informed of the progress and programme of the works to check that relevant environmental laws have not been violated, and that any foreseeable potential for violation can be prevented.
The Contractor should regularly copy relevant documents to the ET Leader so that works checking can be carried out. The document should at least include the updated Works Progress Reports, updated Works Programme, any application letters for different licences / permits under the environmental protection laws, and copies of all valid licences / permits. The site diary should also be made available for the ET Leader’s inspection upon his request.
After reviewing the documentation, the ET Leader should advise the Contractor of any noncompliance with contractual and legislative requirements on environmental protection and pollution control for them to take follow-up actions, including any potential violation of requirements.
Upon receipt of the advice, the Contractor should undertake immediate action to correct the situation. The ER should follow up to ensure that appropriate action has been taken in order to satisfy contractual and legal requirements.
11.3
Environmental
Complaints
¡ The Contractor to log complaint and date of receipt onto the complaint database and inform the ER, ET and IEC immediately;
¡ The Contractor to investigate the complaint to determine its validity, and assess whether the source of the problem is due to construction works of the Project with the support of additional monitoring frequency, stations and parameters, if necessary;
¡ The Contractor to identify mitigation measures in consultation with IEC, ET and ER if a complaint is valid and due to the construction works of the Project;
¡ The Contractor to implement the remedial measures as required by the ER and to agree with the ET and IEC any additional monitoring frequency, stations and parameters, where necessary, for checking the effectiveness of the mitigation measures;
¡ The ER, ET and IEC to review the effectiveness of the Contractor’s remedial measures and the updated situation;
¡ The ET to undertake additional monitoring and audit to verify the situation if necessary, and oversee that circumstances leading to the complaint do not recur;
¡ If the complaint is referred by the EPD, the Contractor is to prepare interim report on the status of the complaint investigation and follow-up actions stipulated above, including the details of the remedial measures and additional monitoring identified or already taken, for submission to EPD within the time frame assigned by EPD; and
¡ The ET to record the details of the complaint, results of the investigation, subsequent actions taken to address the complaint and updated situation including the effectiveness of the remedial measures, supported by regular and additional monitoring results in the monthly EM&A reports.
Handling of environmental complaints should follow the environmental complaint flow diagram and reporting channel as presented in Figure 11.1.
12
Reporting
|
12.1
General
The reporting requirements of EM&A are based upon a paper-documented approach. However, the same information can be provided in an electronic medium upon agreeing the format with the IEC, the ER and EPD. This would enable a transition from a paper / historic and reactive approach to an electronic / real time proactive approach.
For construction phase EM&A, the types of reports that the ET Leader shall prepare and submit include baseline monitoring report, monthly EM&A report, quarterly EM&A summary report and final EM&A review report. In accordance with Annex 21 of the EIAO-TM, a copy of the monthly, quarterly summary and final review EM&A reports shall be made available to the Director of Environmental Protection. The exact details of the frequency, distribution and time frame for submission shall be agreed with the IEC, the ER and EPD prior to commencement of works.
12.2
Baseline Monitoring Report
The ET Leader should 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 should be submitted to the Contractor, the IEC, the ER and EPD. The ET Leader should liaise with the relevant parties on the exact number of copies they require. The report format and baseline monitoring data format should be agreed with the IEC, the ER and EPD prior to submission.
The baseline monitoring report should include at least the following:
1. up to half a page of executive summary
2. brief project background information
3. drawings showing locations of the baseline monitoring stations
4. an updated construction programme with milestones of environmental protection / mitigation activities annotated
5. 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, where relevant)
– monitoring date, time, frequency and duration
– quality assurance (QA) / quality control (QC) results and detection limits
6. details of influencing factors, including:
– major activities, if any, being carried out on the site during the period/monitoring
– weather conditions during the period/monitoring
– other factors which might affect results
7. determination of the Action and Limit Levels for each monitoring parameter and statistical analysis of the baseline data, the analysis should conclude if there is any significant difference between control and impact stations for the parameters monitored
8. revisions for inclusion in the EM&A Manual
9. comments and conclusions
12.3
Monthly EM&A
Report
The results and findings of all EM&A work carried out during the month should be recorded in the monthly EM&A reports prepared by the ET Leader. The EM&A report should be prepared and submitted within 10 working days after the end of each reporting month. Each monthly EM&A report should be submitted to the following parties: the Contractor, the IEC, the ER and the EPD. Before submission of the first EM&A report, the ET Leader should liaise with the parties on the required number of copies and format of the monthly reports in both hard copy and electronic medium.
The ET Leader should review the number and location of monitoring stations and parameters every six months, or on as needed basis, in order to cater for any changes in the surrounding environment and the nature of works in progress.
12.3.1 First Monthly EM&A Report
The first monthly EM&A report should include at least but not be limited to the following:
1. executive summary (1-2 pages):
– breaches of Action and Limit levels
– complaint log
– notifications of any summons and status of prosecutions
– changes made that affect the EM&A
– future key issues
2. basic project information:
– project organisation including key personnel contact names and telephone numbers
– scope of works of the Project
– construction programme
– works undertaken during the month with illustrations (such as location of works etc)
– drawings showing the Project area, any environmental sensitive receivers and the locations of the monitoring and control stations(with co-ordinates of the monitoring locations).
3. a brief summary of EM&A requirements including:
– all monitoring parameters
– environmental quality performance limits (Action and Limit levels)
– Event and Action Plans
– environmental mitigation measures, as recommended in the Project EIA study final report
– environmental requirements in contract documents
4. environmental status
– advice on status of compliance with EP including the status of submissions under the EP
5. implementation status
– implementation status of environmental protection and pollution control / mitigation measures, as recommended in the EIA report
6. 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
– monitoring date, time frequency, and duration
– weather conditions during the period / monitoring
– graphical plots of the monitored parameters in the month annotated against
– the major activities being carried out on site during the period
– weather conditions that may affect the monitoring results
– any other factors which might affect the monitoring results
– QA / QC results and detection limits
7. analysis of monitoring results, non-compliance, complaints, and notifications of summons and status of prosecutions:
– analysis and interpretation of monitoring results in the month
– any non-compliance (exceedances) of the environmental quality performance limits (Action and Limit levels)
– changes made that affect the EM&A during the month
– 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
– notification of summons and status of prosecutions for breaches of current environmental protection / pollution control legislation, including locations and nature of the breaches, investigation, follow-up actions taken, results and summary
– reasons for and the implications of non-compliance, complaints, summons and prosecutions including review of pollution sources and working procedures
– actions taken in the event of non-compliance and deficiency, and follow-up actions related to earlier non-compliance
8. others
– an account of the future key issues as reviewed from the works programme and work method statements
– comment on the solid and liquid waste management status during the month including waste generation and disposal records
– outstanding issues and deficiencies
– comments on effectiveness of the environmental management systems, practices, procedures and mitigation measures, recommendations (for example, any improvement in the EM&A programme) and conclusions
9. appendix
– monitoring schedule for the present and next reporting period
– cumulative statistics on complaints, notifications of summons and successful prosecutions
– outstanding issues and deficiencies
12.3.2 Subsequent Monthly EM&A
Report
The subsequent monthly EM&A reports should include the following:
1. executive summary (1-2 pages):
– breaches of Action and Limit levels
– complaint log
– notifications of any summons and status of prosecutions
– changes made that affect the EM&A
– future key issues
2. environmental status:
– advice on status of compliance with EP including the status of submissions under the EP
3. implementation status:
– implementation status of environmental protection and pollution control / mitigation measures, as recommended in the EIA report
4. 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
– monitoring date, time frequency, and duration
– weather conditions during the period / monitoring
– graphical plots of the monitored parameters in the month annotated against:
i. the major activities being carried out on site during the period
ii. weather conditions that may affect the monitoring results
iii. any other factors which might affect the monitoring results
iv. QA / QC results and detection limits
5. analysis of monitoring results, non-compliance, complaints, and notifications of summons and status of prosecutions:
– analysis and interpretation of monitoring results in the month
– any non-compliance (exceedances) of the environmental quality performance limits (Action and Limit levels)
– changes made that affect the EM&A during the month
– 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
– notification of summons and status of prosecutions for breaches of current environmental protection / pollution control legislation, including locations and nature of the breaches, investigation, follow-up actions taken, results and summary
– reasons for and the implications of non-compliance, complaints, summons and prosecutions including review of pollution sources and working procedures
– actions taken in the event of non-compliance and deficiency, and follow-up actions related to earlier non-compliance
6. others
– an account of the future key issues as reviewed from the works programme and work method statements
– comment on the solid and liquid waste management status during the month including waste generation and disposal records
– outstanding issues and deficiencies
– comments on effectiveness of the environmental management systems, practices, procedures and mitigation measures, recommendations (for example, any improvement in the EM&A programme) and conclusions
7. appendix
– monitoring schedule for the present and next reporting period
– cumulative statistics on complaints, notifications of summons and successful prosecutions
– outstanding issues and deficiencies
Some information concerning the EM&A works, such as the EM&A requirements would remain unchanged throughout the EM&A programme. In the subsequent Monthly EM&A Reports, the First Monthly EM&A Report can be referred instead of repeating the description of the unchanged information.
12.4
Quarterly
EM&A Summary Report
A quarterly EM&A report should be produced and should contain at least the following information. In addition, the first quarterly summary report should also confirm if 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.
1. up to half a page executive summary
2. basic project information including a synopsis of the Project organisation and programme, and a synopsis of works undertaken during the quarter
3. a brief summary of EM&A requirements including:
– monitoring parameters
– environmental quality performance limits (Action and Limit levels)
– environmental mitigation measures, as recommended in the Project EIA Final Report
4. drawings showing the Project area, environmental sensitive receivers and the locations of the monitoring and control stations
5. implementation status of environmental protection and pollution control / mitigation measures, as recommended in the EIA report
6. graphical plots of the monitored parameters over the past four 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
– any other factors which might affect the monitoring results
7. advice on the solid and liquid waste management during the quarter including waste generation and disposal records
8. a summary of non-compliance (exceedances) of the environmental quality performance limits (Action and Limit levels)
9. a brief review of the reasons for and the implications of any non-compliance, including a review of pollution sources and working procedures
10. a summary description of actions taken in the event of non-compliance and any follow-up procedures related to any earlier non-compliance
11. a summary of all complaints received (written or verbal) for each media, liaison and consultation undertaken, actions and follow-up procedures taken
12. comments on the effectiveness and efficiency of the mitigation measures; recommendations on any improvements in the EM&A programme and conclusions for the quarter
13. proponents’ contacts and any hotline telephone number for the public to make enquiries.
12.5
Final EM&A
Review Report
The EM&A program could be terminated (for individual works sites / construction contracts) upon completion of those construction activities that have the potential to cause significant environmental impacts.
The proposed termination by the Contractor should only be implemented after the proposal has been endorsed by the IEC and the ER followed by final approval from the DEP.
The final EM&A report should include, inter alia, the following information:
1. an executive summary
2. basic project information including a synopsis of the Project organisation and programme, contacts of key management, and a synopsis of work undertaken during the entire construction period
3. a brief summary of EM&A requirements including:
– monitoring parameters
– environmental quality performance limits (Action and Limit levels)
– environmental mitigation measures, as recommended in the Project EIA study final report
4. drawings showing the Project area, any environmental sensitive receivers and the locations of the monitoring and control stations
5. advice on the implementation status of environmental and pollution control / mitigation measures, as recommended in the Project EIA study final report, summarised in the updated implementation status pro forma
6. graphical plots of the monitoring parameters over the construction period for representative monitoring stations, including the post-project monitoring annotated against:
– the major activities being carried out on site during the period
– weather conditions during the period
– any other factors which might affect the monitoring results
– the baseline condition
7. compare the EM&A data with the EIA predictions
8. effectiveness of the solid and liquid waste management
9. a summary of non-compliance (exceedances) of the environmental quality performance limits (Action and Limit levels)
10. a brief account of the reasons the non-compliance including a review of pollution sources and working procedures
11. a summary of the actions taken against the non-compliance
12. a summary of all complaints received (written or verbal) for each media, liaison and consultation undertaken, actions and follow-up procedures taken
13. a review of the monitoring methodology adopted and with the benefit of hindsight, comment on its effectiveness (including cost effectiveness)
14. a summary of 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
15. a review of the practicality and effectiveness of the EM&A programme (e.g. effectiveness and efficiency of the mitigation measures), and recommendation on any improvement in the EM&A programme
16. a conclusion to state the return of ambient and / or the predicted scenario as per EIA findings
12.6
Data Keeping
No site-based documents (such as monitoring field records, laboratory analysis records, site inspection forms, etc.) are required to be included in the EM&A reporting documents. However, any such document should be retained by the ET Leader / Monitoring Team and be ready for inspection upon request. All relevant information should be clearly and systematically recorded in the document. Monitoring data should also be recorded in digital format, and the soft copy must be available upon request. Data format should be agreed with the IEC, the ER and EPD. All documents and data should be kept for at least one year following completion of the construction contract and one year after the completion of operation phase monitoring for construction phase EM&A and operational phase EM&A respectively.
12.7
Interim Notifications of Environmental Quality Limit
Exceedances
For construction phase EM&A, with
reference to the Event and Action Plan, when the environmental quality
performance limits are exceeded, the ET Leader should immediately notify the
IEC, the ER and EPD, as appropriate and should keep them informed of the
results of the investigation, proposed remedial measures, actions taken,
updated situation on site, need for further follow-up proposals, etc. A sample
template for the interim notifications is shown in Appendix D.
The ET Leader may modify the interim notification form for this EM&A
programme, the format of which should be approved by the ER and agreed by the
IEC.