SMEC INTERNAL REF. 7076457 D01

EIA Report Volume IV: EM&A Manual

Mai Po Nature Reserve Infrastructure

Upgrade Project

Revision 7.3 – Final

Prepared for World Wide Fund For Nature Hong Kong

20 October 2021

Contents

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

Contents

1 INTRODUCTION 1-1

1.1 Project Background ................................................................................................................... 1-1

1.2 Project Description .................................................................................................................... 1-1

1.3 Purpose of the Manual .............................................................................................................. 1-2

1.4 Project Organisation .................................................................................................................. 1-2

1.5 Project Programme .................................................................................................................... 1-5

2 AIR QUALITY 2-1

2.1 Introduction ............................................................................................................................... 2-1

2.2 Mitigation Measures.................................................................................................................. 2-1

2.3 Audit Requirements ................................................................................................................... 2-1

3 NOISE 3-1

3.1 Introduction ............................................................................................................................... 3-1

3.2 Mitigation Measures.................................................................................................................. 3-1

3.3 Audit Requirements ................................................................................................................... 3-1

4 WATER QUALITY 4-1

4.1 Introduction ............................................................................................................................... 4-1

4.2 Monitoring ................................................................................................................................. 4-1

4.3 Mitigation Measures.................................................................................................................. 4-3

4.4 Audit Requirements ................................................................................................................... 4-4

5 WASTE MANAGEMENT 5-1

5.1 Introduction ............................................................................................................................... 5-1

5.2 Mitigation Measures.................................................................................................................. 5-1

5.3 Audit Requirements ................................................................................................................... 5-1

6 ECOLOGY 6-1

6.1 Introduction ............................................................................................................................... 6-1

6.2 Mitigation Measures.................................................................................................................. 6-1

6.3 Monitoring and Audit Requirements ......................................................................................... 6-1

7 FISHERIES 7-1

7.1 Introduction ............................................................................................................................... 7-1

7.2 Mitigation Measures.................................................................................................................. 7-1

7.3 Monitoring and Audit Requirements ......................................................................................... 7-1

8 LANDSCAPE AND VISUAL 8-1

8.1 Introduction ............................................................................................................................... 8-1

8.2 Mitigation Measures.................................................................................................................. 8-1

8.3 Monitoring and Audit Requirements ......................................................................................... 8-1

9 INSPECTION/AUDIT 9-1

9.1 Site Inspection/Audit Requirements ......................................................................................... 9-1

9.2 Compliance with Legal and Contractual Requirements ............................................................ 9-1

9.3 Environmental Complaints ........................................................................................................ 9-2

10 REPORTING 10-1

10.1 Baseline Monitoring Report .................................................................................................... 10-1

10.2 Monthly EM&A Reports ........................................................................................................... 10-1

10.3 Final Summary EM&A Report .................................................................................................. 10-3

10.4 Letters Documenting Post-planting Landscape Inspections.................................................... 10-4

10.5 Data Keeping ............................................................................................................................ 10-4

10.6 Interim Notifications of Environmental Quality Limit Exceedances ........................................ 10-4

Contents

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

Appendices

Appendix A Implementation Schedule for the Project

Appendix B Sample Template for Interim Notification

Figures

Figure 1-1 Statutory Plan Showing Location of Project and its Environs

Figure 1-2 Project Elements (Indicative Plan Only)

Figure 1-3 EM&A Organisation

Figure 1-4 Project Programme

Figure 4-1 Locations for Water Quality Monitoring

Introduction

1-1

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

1 INTRODUCTION

1.1 Project Background

1.1.1 Since 1983, the World Wide Fund for Nature Hong Kong (WWF) has been managing 211.7ha of

the 372.1ha Mai Po Nature Reserve (MPNR). Classified as a Biodiversity Management Zone

under the Mai Po Inner Deep Bay Ramsar Site Management Plan, MPNR offers benefits to

wildlife and the local community through education, recreation and conservation initiatives.

1.1.2 Development of MPNR commenced in the 1980s with the setting-up of nature reserve and

associated infrastructure, including the Mai Po Education Centre and the launch of schools

programmes. From 1990 to 2000, MPNR further developed its management, education and

training programmes at the adjacent Peter Scott Field Studies Centre (PSFSC).

1.1.3 Public visits to MPNR began in 1985. By the early 1990s, visitor numbers were in excess of

35,000 per year, hitting a peak of over 45,000 in 2002, and stabilizing at around 40,000 per year

for the remainder of that decade. Due to the commencement of operations at Hong Kong

Wetland Park, the number of visitors to MPNR dropped to 24,000 per year. The Project

Proponent targets a return to visitor numbers, anticipated at 32,000 per year by 2023.

1.1.4 The aim of the Project is to provide a unique experience in educational recreation, groom local

scientists and contribute to a greater understanding of the unique Mai Po environment through

cutting-edge research in ecology. It is crucial to transform MPNR into a 21st Century Nature

Classroom in order to facilitate this unique learning experience and effectively manage this

important, world-class living ecosystem.

1.1.5 The Project Site and its environs are shown on Figure 1-1.

1.2 Project Description

1.2.1 Within the Project Site, the Mai Po Nature Reserve Infrastructure Upgrade Project will comprise

the following components, which are shown on Figure 1-2:

1. Construction of New Tower Hide 2 (TH2). This is a new three-storey tower hide on the bund

between Gei Wai No. 19/20, with a footprint of 60m

and a Gross Floor Area (GFA) of 145m

TH2 will be used primarily by more serious bird watchers. Components for TH2 will be

prefabricated off-site and assembled on-site without the need for on-site concrete mixing.

The work will also involve constructing a path leading towards the hide from bund #18/19. A

new boardwalk will be constructed on existing bunds and will be around 156m long and

1.65m wide, connecting to an existing concrete footpath between gei wai nos. 18 and 19.

2. Construction of New Tower Hide 3 (TH3). This is a new three-storey tower hide on the bund

between Gei Wai No. 7/8, east of the Existing Tower Hide 1 (TH1), with a footprint of 60m

and

a GFA of 145m

(same design as TH2). TH3 will cater for groups of casual visitors and school

groups on short trips. Components for TH3 will be pre-fabricated off-site and assembled on-site

without the need for on-site concrete mixing. The work will also involve constructing an access

path leading towards the hide from bund #9. A new boardwalk will be constructed on the bund

between gei wai nos. 7 and 9 and will be around 85m long and 1.65m wide, connecting to the

main boardwalk.

3. Construction of New Boardwalks. There are two existing narrow concrete footpaths that

due to age are in a poor state of repair – cracked and in some places subsiding, which make

access challenging for some visitors. To allow universal access for all visitors, these footpaths

will be widened.

a. Construction of New Boardwalks Above Existing Paths:

i. The main concrete footpath, running between the MPNR entrance and the Mai

Po Education Centre (MPEC) is around 1.5m wide and about 921m long. The new

boardwalk will be up to 1.65m wide and, space permitting, there will also be a

number of passing bays.

Introduction

1-2

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

ii. The footpath to TH1 is around 1.5m wide and about 66m long. The new

boardwalk will be will be 1.65m wide.

b. Construction of New Boardwalks for Education Areas (EAs):

i. The boardwalk replacing the main footpath will be further widened at six locations

into EAs that provide seating and informative signboards to provide opportunities

for interactive public education. The boardwalks forming these EAs range from

1.4m to 10m in length and range from 1.0m to 3.5m in width (in addition to the

1.65m boardwalk replacing the main footpath).

1.3 Purpose of the Manual

1.3.1 The purpose of this EM&A Manual (hereinafter refer to as the “Manual”) is to guide the setup of

an EM&A programme to ensure compliance with the recommendations in the EIA study 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 for the construction phase of the Project (monitoring and audit programme for the

operation phase of the Project is not required).

1.3.2 The Manual provides specific information, guidance and instruction to personnel in charged with

environmental responsibilities and undertaking environmental monitoring and auditing works

for the Project. It also provides systematic procedures for monitoring, auditing and minimizing

environmental impacts associated with the construction activities.

1.3.3 This Manual contains the following information:

 EM&A organisation.

 Responsibilities of the Employer’s Representative (ER), the Contractor, the Environmental

Team (ET) and the Independent Environmental Checker (IEC) with respect to the

environmental monitoring and audit requirements.

 The basis for, and description of the broad approach underlying the EM&A programme.

 Requirements with respect to the construction programme schedule and the necessary

environmental monitoring and audit programme to track the varying environmental impacts.

 Details of the methodologies to be adopted, including all field laboratories and analytical

procedures, and details on quality assurance and quality control programme.

 Definition of Action and Limit levels.

 Establishment of Event and Action plans.

 Requirements for reviewing pollution sources and working procedures required in the event of

non-compliance with the environmental criteria and complaints.

 Requirements for presentation of environmental monitoring and audit data and appropriate

reporting procedures.

 Requirements for review of EIA predictions and the effectiveness of the mitigation

measures/environmental management systems and the EM&A programme.

1.3.4 This Manual is a living document which shall be reviewed periodically and updated if necessary

during the course of implementing the Project.

1.4 Project Organisation

1.4.1 Involvement of relevant parties in a collaborative and interactive manner is essential for the

implementation of the recommended EM&A programme. The following sections outline the

primary responsibilities and duties of the key EM&A programme participants.

1.4.2 The proposed project organisation and lines of communication with respect to EM&A works are

shown in Figure 1-3.

Introduction

1-3

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

Employer’s Representative (ER)

1.4.3 The ER shall appoint an appropriate individual, who shall:

 Monitor the Contractor’s compliance with the contract specifications, including the EM&A

programme, and the effective implementation and operation of environmental mitigation

measures in a timely manner.

 Ensure that impact monitoring is conducted at the correct locations at the correct frequency

as identified in the Manual.

 Instruct the Contractor to follow the agreed protocols or those in the Contract in the event of

exceedances or complaints.

 Review the programme of works with a view to identifying any potential environmental

impacts before they arise.

 Check that mitigation measures that have been recommended in the EIA Report, this Manual

and contract documents, or as required, are correctly implemented in a timely manner, when

necessary.

 Verify the environmental acceptability of permanent and temporary works, relevant design

plans and submissions.

 Comply with the agreed Event Contingency Plan in the event of any exceedance.

The Contractor

1.4.4 The Contractor shall report to the ER. The duties and responsibilities of the Contractor are:

 Work within the scope of the construction contract and other tender conditions with respect

to environmental requirements.

 Operate and strictly adhere to the guidelines and requirements in this EM&A programme and

contract specifications.

 Provide assistance to ET and IEC in carrying out monitoring and auditing.

 Participate in the site inspections undertaken by ET and IEC as required, and undertake

correction actions.

 Provide information to the ET and IEC regarding works activities which may contribute, or be

contributing to, the generation of adverse environmental conditions.

 Submit proposals on mitigation measures in case of exceedance of Action and Limit levels in

accordance with the Event/Action Plans.

 Implement measures to reduce impact where Action and Limit levels are exceeded.

 Adhere to the procedures for carrying out complaint investigation.

1.4.5 The Contractor shall also participate in the environmental performance review undertaken by

the ER and undertaken any corrective actions as instructed by the ER.

Environmental Team (ET)

1.4.6 The ET shall be employed to conduct the EM&A programme and ensure the Contractor’s

compliance with the Project’s environmental performance requirements during construction. The

ET shall not be in any way an associated body of the ER, the Contractor or the IEC for the Project.

The ET shall be an independent party from the IEC and have relevant professional qualifications, or

have sufficient relevant EM&A experience subject to approval of the ER and the environmental

Authority (the Environmental Protection Department, EPD). The ET shall be led and managed by

the ET leader.

1.4.7 The ET leader shall possess at least 7 years’ experience in EM&A and/or environmental

management and shall be an Accredited Monitoring Professional (AMP) under the Hong Kong

Institute of Environmental Impact Assessment (HKIEIA) and a Qualified Environmental

Professional under the Hong Kong Institute of Qualified Environmental Professionals (HKIQEP).

Introduction

1-4

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

1.4.8 The duties and responsibilities of the ET are:

 Monitor various environmental parameters as required in this Manual.

 Analyse the environmental monitoring and audit data and review the success of EM&A

programme to cost-effectively confirm the adequacy of mitigation measures implemented and

the validity of the EIA predictions and to identify any adverse environmental impacts arising.

 Carry out regular site inspection to investigate and audit the Contractors' site practice,

equipment and work methodologies with respect to pollution control and environmental

mitigation, and effect proactive action to pre-empt problems; carry out ad hoc site

inspections if significant environmental problems are identified.

 Audit and prepare monitoring and audit reports on the environmental monitoring data and

site environmental conditions.

 Report on the environmental monitoring and audit results to the IEC, Contractor, the ER and

EPD or its delegated representative.

 Recommend suitable mitigation measures to the Contractor in the case of exceedance of

Action and Limit levels in accordance with the Event and Action Plans.

 Advise to the Contractor on environmental improvement, awareness, enhancement

matters, etc. on site.

 Adhere to the procedures for carrying out complaint investigation in accordance with

Section 9 of this Manual.

Independent Environmental Checker (IEC)

1.4.9 The IEC shall advise the ER on environmental issues related to the Project. The IEC shall not be in

any way an associated body of the ER, the Contractor or the ET for the Project. The IEC shall be

empowered to audit from an independent viewpoint the environmental performance during the

construction of the Project.

1.4.10 The IEC shall possess at least 7 years’ experience in EM&A and/or environmental management

and shall be an AMP under the HKIEIA and a Qualified Environmental Professional under the

HKIQEP.

1.4.11 The IEC shall be responsible for the duties defined in this Manual, and shall audit the overall

EM&A programme, including the implementation of all environmental mitigation measures,

submissions required in this Manual, as well as any other relevant submissions required under

the Environmental Permit (EP). The IEC shall be responsible for verifying the environmental

acceptability of permanent and temporary works, relevant design plans and submissions under

the EP. The IEC shall verify the logbook prepared and kept by the ET Leader. The IEC shall notify

EPD by fax, within 24 hours of receipt of notification from the ET Leader, of any such instance or

circumstance or change of circumstances or non-compliance with the EIA Report or the EP,

which might affect the monitoring or control of adverse environmental impact.

1.4.12 The duties and responsibilities of the IEC are:

 Review and audit in an independent, objective and professional manner in all aspects of the

EM&A programme.

 Validate and confirm the accuracy of monitoring results, appropriateness of monitoring

equipment, monitoring locations with reference to the locations of the nearby sensitive

receivers, and monitoring procedures.

 Carry out random sample check and audit on monitoring data and sampling procedures, etc.

 Conduct random site inspection (at least once a month).

 Audit the EIA recommendations and EP requirements against the status of implementation of

environmental protection measures on site.

 Review the effectiveness of environmental mitigation measures and Project environmental

performance.

Introduction

1-5

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

 On an as needed basis, verify and certify the environmental acceptability of the construction

methodology (both temporary and permanent works), relevant design plants and submissions

under the EP. When necessary, the IEC agree in consultation with the ET Leader and the

Contractor the least impact alternative.

 Verify investigation results of complaint cases and the effectiveness of corrective measures.

 Verify EM&A reports submitted and verified by the ET Leader.

 Feedback audit results to ER/ET by signing accordingly to the Event/Action Plans specified in

this Manual.

1.5 Project Programme

1.5.1 The construction programme must accommodate planned draining of gei wai for desilting, as

per the MPNR Management Plan 2019-2024. Specifically, the planned draining of Gei Wai No.

20e and Gei Wai Nos. 7 and 8a for the construction of footings/substructure for TH2 and TH3,

respectively.

1.5.2 Based on best available information, the Project programme shown in Figure 1-4 assumes that

the Project will be constructed from mid-April 2022 to mid-May 2022 and early-September 2022

to mid-October 2022, a total period of about three months.

Introduction

1-6

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

Figure 1-1 Statutory Plan Showing Location of Project and its Environs

Source: Extract from the approved Mai Po and Fairview Park OZP No. S/YL-MP/6, from PlanD Statutory Planning Portal 2.

Deep

Bay

Mangroves

0 250 500

Metres

Mai Po Marshes SSSI

Mangroves

Mai Po Nature Reserve

Project Site Boundary

Commercial

Fish Ponds

Gei Wai

PSFSC

Introduction

1-7

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

Figure 1-2 Project Elements (Indicative Plan Only)

Source: Google Earth Pro

TH2

Indicative Routes for Construction Traffic:

Existing Paved Roads

Temporary Access Along Bunds (Unpaved)

Haul Road ID

Project Components:

New Tower Hides

New Boardwalk / With EAs

Project Site Boundary

Existing Facilities

(not DPs in EIA)

Gei Wai Number

TH3

0 100 200 300 400 500

Metres

Footpath to TH3

Footpath to TH2

Boardwalk Above

Main Footpath

Boardwalk Above

Access to TH1

MPEC

TH1

MPNR Entrance

HR1

HR2

HR3

HR4

HR5

HR1

HR1-2

HR1-3

HR1-4

Introduction

1-8

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

Figure 1-3 EM&A Organisation

EIAO

Authority

_____________

EPD

Employment

Communication / Reporting

Employer

_____________

Employer’s

Representative

Environmental

Team

Independent

Environmental

Checker

Contractor

Introduction

1-9

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

Figure 1-4 Project Programme

New TH2 (including Boardwalk Access)

Foundation Works (Phase 1)

Superstructure Works (Phase 2)

Roof, Cladding and Interior Works upto Handover

New TH3 (including Boardwalk Access)

Foundation Works (Phase 1)

Superstructure Works (Phase 2)

Roof, Cladding and Interior Works upto Handover

New Boardwalk (including EAs)

Construction (Part 1 - North)

Construction (Part 2 - Centre)

Construction (Part 3 - South)

Vehicular Movement (Site-wide)

Construction Vehicles

Planned MPNR Management Plan Maintenance Activities in 2022 - NOT Concurrent

Drain Down of gei wai

Habitat management

Gei Wai Refill

Key: Dry season during which there will be no outdoor Works for the Project within MPNR

Outdoor Works for the Project within MPNR

Works for Other Projects (including

the planned drain-down and re-fill of gei wai i #7, 8a, 19, 20e)

Jan

Other Projects

2022

Jul

Aug

Sep

Oct

Nov

Jun

Jan

Feb

Mar

Apr

May

Dec

Project Activity

Dec

2022

Jul

Aug

Sep

Oct

Nov

Jun

Feb

Mar

Apr

May

Air Quality

2-1

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

2 AIR QUALITY

2.1 Introduction

2.1.1 Potential air quality impacts arising from the construction phase of the Project were assessed in

Chapter 3 of the EIA Report. With the implementation of dust suppression measures, no adverse

air quality impact from the Project is anticipated at off-site Air Sensitive Receivers (ASRs) during

construction. No air quality monitoring is therefore deemed necessary. Nevertheless, regular site

environmental audit is recommended to ensure the implementation of the recommended

mitigation measures.

2.2 Mitigation Measures

2.2.1 Mitigation measures to prevent dust impacts have been recommended in the Section 3.7 of the

EIA Report. All the recommended mitigation measures are detailed in the implementation

schedule in Appendix A. Appropriate parties have been identified to be responsible for the

design and implementation of these mitigation measures.

2.3 Audit Requirements

2.3.1 Regular inspection and audit of each works area shall be conducted during the construction

phase of the Project to ensure that the recommended air quality mitigation measures are

properly implemented. When there are ongoing construction works within the Project Site, the

ET shall carry out inspections once per week and the IEC shall carry out audits jointly with the ET

once every two weeks.

2.3.2 Inspection findings shall be logged in a site monitoring report with any discrepancies or concerns

regarding the implementation and effectiveness of mitigation measures highlighted.

Noise

3-1

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

3 NOISE

3.1 Introduction

3.1.1 Potential noise impacts arising from the construction phase of the Project were assessed in

Chapter 4 of the EIA Report. Based on the assessment results, and with the implementation of

recommended noise control measures, no adverse noise impact from the Project is anticipated

at off-site Noise Sensitive Receivers (NSRs) during construction. No noise monitoring is therefore

deemed necessary for NSRs. Nevertheless, regular site environmental audit is recommended to

ensure the implementation of the recommended mitigation measures.

3.2 Mitigation Measures

3.2.1 Mitigation measures to prevent construction phase noise impacts have been recommended in

the EIA Report. All the recommended mitigation measures are detailed in the implementation

schedule in Appendix A. Appropriate parties have been identified to be responsible for the

design and implementation of these mitigation measures.

3.3 Audit Requirements

3.3.1 Regular inspection and audit of each works area shall be conducted during the construction

phase of the Project to ensure the recommended noise mitigation measures are properly

implemented. When there are ongoing construction works within the Project Site, the ET shall

carry out inspections once per week and the IEC shall carry out audits jointly with the ET once

every two weeks.

3.3.2 Inspection findings shall be logged in a site monitoring report with any discrepancies or concerns

regarding the implementation and effectiveness of mitigation measures highlighted.

Water Quality

4-1

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

4 WATER QUALITY

4.1 Introduction

4.1.1 Potential water impacts arising from the construction of the Project were assessed in Chapter 5

of the EIA Report. It was identified that Deep Bay, the gei wai, Shan Pui River, commercial

fishponds and SSSIs adjacent to and within the Site and the natural watercourses running

through the Study Area as Water Sensitive Receivers (WSRs).

4.1.2 The EIA Report therefore recommended a series of stringent mitigation measures to be

implemented at each works site to ensure that no contaminated run-off enters the fishponds or

gei wai, and from there potentially into Deep Bay.

4.1.3 With the implementation of water pollution control measures no adverse water quality impact

from the Project is anticipated during construction. Nevertheless, as a precautionary measure and

to demonstrate that the “Zero Water Pollution” approach is working, it is proposed to carry out

water quality EM&A before, during and (if required) after the foundation works at TH2 and TH3.

4.2 Monitoring

Parameters, Equipment and Analysis

4.2.1 The following parameters are related to construction activity:

 Water depth – to be measured in-situ

 pH – to be measured in-situ

 Temperature in

C – to be measured in-situ

 Salinity in mg/L – to be measured in-situ

 Turbidity in NTU – to be measured in-situ

 Dissolved Oxygen (DO) in % saturation and mg/L – to be measured in-situ

 Suspended Solids (SS) in mg/L – to be determined in a laboratory

 Oil and Grease (O&G) in mg/L – to be determined in a laboratory

4.2.2 Equipment provided by the ET to measure the above parameters shall include:

 Portable, battery-operated echo sounder shall be used for the determination of water depth

at each designated monitoring station.

 Portable pH Meter, which shall be checked, calibrated and certified before use by a HOKLAS

laboratory.

 DO and Temperature Measuring Equipment capable of measuring DO in the range of 0 to 20

mg/L and 0 to 200% saturation; and temperate of 0 to45

C, which shall be checked, calibrated.

 Portable salinometer capable of measuring salinity in the range of 0-40 mg/l shall be

provided for measuring salinity of the water and certified before use by a HOKLAS laboratory.

 Turbidity Measurement Equipment capable of measuring turbidity between 0-1000 NTU and

certified before use by a HOKLAS laboratory.

 A high density 1L capacity polythene bottle shall be used to collect a water sample from just

below the water surface for SS measurements while water sample for O&G measurement

shall be collected in glass bottles and preserved by addition of H

. At least two replicate

samples should be collected from each location. After fully filling the bottles, they shall be

cooled to 4

C without being frozen.

4.2.3 All in-situ monitoring equipment shall be checked, calibrated and certified by a laboratory

accredited under HOKLAS or any other international accreditation scheme before use, and

subsequently re-calibrated at 3 monthly intervals throughout all stages of the water quality

monitoring. Responses of sensors and electrodes shall be checked with certified standard

solutions before each use. Wet bulb calibration for a DO meter shall be carried out before

measurement at each monitoring location.

Water Quality

4-2

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

4.2.4 The water samples shall be delivered to a HOKLAS laboratory as soon as possible for analysis,

which shall start the next working day after collection of samples. Analyses shall follow standard

methods as described in APHA Standard Methods for the Examination of Water and Wastewater,

19th Edition, unless otherwise specified (APHA 2540D for SS and APHA 5520C for O&G). The

submitted information should include pre-treatment procedures, instrument use, Quality

Assurance/Quality Control (QA/QC) details (such as blank, spike recovery, number of duplicate

samples per-batch, etc.), detection limits and accuracy. The QA/QC details shall be in accordance

with requirements of HOKLAS.

4.2.5 In addition to the water quality parameters, other relevant data should also be measured and

recorded in field logs, including coordinates of the sampling stations, the location of construction

works at the time of sampling, sampling depth, weather conditions, special phenomena and work

activities undertaken around the monitoring and works area that may influence the monitoring

results, etc.

Monitoring Locations

4.2.6 Monitoring shall be carried out adjacent to the sluice gates connecting MPNR to Deep Bay that

are closest to the tower hides works areas, i.e. Sluice Gate 7 (closest to TH3) and Sluice Gate 19

(closest to TH2). Sluice Gate 7 and Sluice Gate 19 are the only connection of Gei Wai 7 and Gei

Wai 19 to Deep Bay. These locations are show Figure 4-1 and indicative co-ordinates of these

monitoring locations are listed in Table 4-1. Samples to be taken at the sluice gate shall be at the

depth of 1m below water surface. For stations with a water depth of less than 1m, monitoring

shall be carried out at the mid-depth. Water sampling shall not be taken if water depth is less

than 0.25m.

Table 4-1 Co-ordinates of the Water Quality Monitoring Locations (HK Grid)

LOCATION

EASTING

NORTHING

Sluice Gate 7

822107

839868

Sluice Gate 19

821344

838681

Baseline Monitoring

4.2.7 Baseline water quality monitoring at Sluice Gate 7 and Sluice Gate 19 shall be carried out three

times per week, with a minimum interval of 36 hours, for a period of four weeks prior to the

commencement of foundation works at TH2 and TH3. EPD shall be advised two weeks prior to

the start of baseline monitoring. A Baseline Monitoring Report shall be prepared by the ET,

verified by the IEC and then submitted to EPD within two weeks after completion of monitoring.

Baseline conditions for water quality shall be established and agreed with DEP prior to the

commencement of works.

Precautionary Monitoring

4.2.8 Precautionary water quality monitoring at Sluice Gate 7 and Sluice Gate 19 shall be carried out

three times per week, with a minimum interval of 36 hours, when foundation works are carried

out at TH2 and TH3. Each month that foundation works are carried out at TH2 and TH3, a

Monthly EM&A Report shall be prepared by the ET, verified by the IEC and then submitted to

EPD within two weeks after the end of the month.

Post-construction Monitoring (if Needed)

4.2.9 If, at the completion of foundation works, the final week of precautionary monitoring shows

more than two consecutive exceedances of Action and/or Limit Levels attributable to the Project,

then post-construction monitoring at Sluice Gate 7 and/or Sluice Gate 19 (as needed) shall be

carried out three times per week until readings return to baseline levels. Upon completion of

post-construction monitoring, a Final Summary EM&A Report will be prepared by ET, verified by

the IEC and then submitted to EPD within two weeks after completion of monitoring.

Water Quality

4-3

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

Action and Limit Levels and Event/Action Plan for Precautionary Monitoring

4.2.10 Precautionary monitoring results shall be evaluated against Action and Limit levels shown in

Table 4-2, with action being taken as per the Event/Action Plan shown in Table 4-3. Please note

that the Event/Action Plan relates only to exceedances that are directly attributable to the

construction works of this Project, over which the installation contractor has control. The advice

of the IEC shall be sought in case of any concern.

Table 4-2 Action and Limit Levels for Water Quality

PARAMETER

ACTION LEVEL

LIMIT LEVEL

DO in mg/L

percentile of baseline data

SS in mg/L

percentile of baseline data

Turbidity in NTU

percentile of baseline data

Table 4-3 Event / Action Plan for Water Quality

EVENT

CONTRACTOR / ET

IEC

Action

Level

Exceedance

1. Repeat sampling event.

2. Inform EPD and AFCD and

confirm notification of the

non-compliance in

writing.

3. Discuss with contractor

and the IEC the most

appropriate method of

reducing water quality

pollution during

construction and agree

with EPD.

4. Repeat measurements

after implementation of

mitigation for

confirmation of

compliance.

5. If non-compliance

continues, increase

measures in Step 3 and

repeat measurement in

Step 4. If non-compliance

occurs a third time,

suspend construction

works and continue

sampling until normal

water quality resumes.

1. Discuss with

Contractor/ET on the

mitigation measures

2. Review proposals on

mitigation measures

submitted by Contractor

and advise the ER

accordingly

3. Assess the effectiveness

of the implemented

mitigation measures.

1. Discuss with IEC on

the proposed

mitigation measures;

2. Make agreement on

the mitigation

measures to be

implemented;

3. Assess the

effectiveness of the

implemented

mitigation measures.

Limit Level

Exceedance

Suspend construction works

and undertake Steps 1-4

immediately. Construction

works should only continue

when the water quality shows

compliance again.

Undertake Steps 1-3

immediately

Undertake Steps 1-3

immediately and consider

and instruct, if necessary,

the Contractor to slow

down or to stop all or

part of the construction

works until no

exceedance of Limit level.

4.3 Mitigation Measures

4.3.1 Mitigation measures to prevent construction phase water quality impacts have been

recommended in the EIA Report. All the recommended mitigation measures are detailed in the

implementation schedule in Appendix A. Appropriate parties have been identified to be

responsible for the design and implementation of these mitigation measures.

Water Quality

4-4

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

4.4 Audit Requirements

4.4.1 Regular inspection and audit of each works area shall be conducted during the construction

phase of the Project to ensure the recommended water quality mitigation measures are

properly implemented. When there are ongoing construction works within the Project Site, the

ET shall carry out inspections once per week and the IEC shall carry out audits jointly with the ET

once every two weeks.

4.4.2 Inspection findings shall be logged in a site monitoring report with any discrepancies or concerns

regarding the implementation and effectiveness of mitigation measures highlighted. The audits

should examine all aspects of on-site water pollution prevention, including the following:

 Perimeter Bund. A perimeter bund shall be constructed around the work sites for TH2 and

TH3 to ensure that any runoff generated from these sites is discharged only into the adjacent

drained gei wai and not into any other water-filled gei wai that are hydraulically connected to

each other and to Deep Bay. Runoff is therefore prevented from entering other water-filled

gei wai and Deep Bay and so potential pollution of these water bodies is avoided.

 Off-site Pre-fabrication. The majority of construction components shall be pre-fabricated

off-site to avoid any impacts associated with construction on-site. With this approach, the

construction activities will mainly involve assembly of pre-fabricated components.

 Off-site Concrete Mixing. One of the main sources of contaminated runoff from

construction sites is concrete washings from concrete mixing on site. To avoid this problem,

all concrete will be mixed off-site and brought into each works area only when needed and

only in the quantities required, so that there is no need to store (or dispose of) any surplus

concrete. Any concrete spilled within the works area will be immediately cleaned up and

removed from the works area.

 Off-site Maintenance/Repair of Plant. Plant, equipment and vehicles shall not be

maintained or repaired within any works area in the Project Site. Instead, all such servicing

shall be undertaken off-site, such that any resulting oil, chemical waste or other polluting

substances can be handled and treated off-site in an appropriate manner.

 Extreme Care When Re-fuelling Plant. In the event that non-mobile plant and equipment

require re-fuelling, and it is not practicable to move off-site for re-fuelling, then re-fuelling

shall be carried out with extreme care. Drip trays shall be provided at any fuel connection

point, e.g. between the delivery pipe and the fuel tank. Any spilled fuel shall be collected

and taken off-site for proper treatment/disposal.

 Covering Materials, Plant and Equipment. Materials, plant or equipment that could give rise

to contaminated runoff during extreme rainfall will be protected by storing above ground

level and also by being covered, either by tarpaulin or by small gazebos that can be erected

and folded up within a few minutes.

 Provision of Chemical Toilets. Each works area will be provided with at least one chemical

toilet for use by workers. Sewage collected in these chemical toilets will be treated off-site

by the toilet provider.

 Bunded, Covered Construction C&D Material Storage Areas. Each works area will be

provided one bunded and covered area for the temporary storage of C&D material – one

section for inert C&D material and one area for C&D waste. These areas will be emptied

frequently, using construction material delivery vehicles that are empty on their return

journey. All inert C&D material and C&D waste will be transported off-site for recycling or

treatment as appropriate.

 Waterproof General Waste Receptacles. Each works area will be provided with at least one

set of waterproof waste receptacles – one for recyclable waste and one for non-recyclable

waste. These areas will be emptied frequently.

4.4.3 In addition to the above, the Construction Contractor shall be audited on his implementation of

good site practice on the design construction, operation and maintenance of relevant mitigation

measures specified in ProPECC PN 1/94 for construction site drainage.

Water Quality

4-5

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

Figure 4-1 Locations for Water Quality Monitoring

Source: Google Earth Pro

Project Elements:

New Tower Hides

New Boardwalk / With EAs

Project Site Boundary

Gei Wai to be Drained

Sluice Gate Connecting

MPNR to Deep Bay

Water Quality

Monitoring Locations

(Gei Wai with Sluice Gate)

 Deep Bay

TH2

TH3

0 100 200 300 400 500

Metres

Boardwalk Above

Main Footpath

20e

Waste Management

5-1

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

5 WASTE MANAGEMENT

5.1 Introduction

5.1.1 Potential waste management implications arising from the construction phase of the Project

were assessed in Chapter 6 of the EIA Report.

5.1.2 Waste management during the construction phase will mainly be the responsibility of the

Contractor, who shall implement the mitigation measures recommended in the EIA Report in

order to minimise waste or resolve the issues associated with the management of waste. The

Contractor should also ensure that all wastes produced during the construction phase are

handled, stored and disposed of in accordance with good waste management practices, relevant

legislation and waste management guidelines.

5.2 Mitigation Measures

5.2.1 With the proper handling, storage and disposal of wastes arising from the construction of the

Project, it is anticipated that the potential adverse environmental impacts would be avoided or

minimised. During site inspections, the ER, ET and IEC should pay special attention to the issues

relating to the waste management and check whether the Contractor has implemented the

recommended good site practices and other mitigation measures listed in Appendix A.

Appropriate parties have been identified to be responsible for the design and implementation of

these mitigation measures.

5.2.2 The Contractor should submit a Waste Management Plan (WMP) prior to the commencement of

construction work, in accordance with ETWB TC(W) No 19/2005 to provide an overall framework

of waste management and reduction.

5.3 Audit Requirements

5.3.1 Regular inspection and audit of each works area shall be conducted during the construction

phase of the Project to ensure the recommended waste mitigation measures are properly

implemented. When there are ongoing construction works within the Project Site, the ET shall

carry out inspections once per week and the IEC shall carry out audits jointly with the ET once

every two weeks.

5.3.2 Inspection findings shall be logged in a site monitoring report with any discrepancies or concerns

regarding the implementation and effectiveness of mitigation measures highlighted. The audits

should examine all aspects of on-site waste management practices, including the following:

 The Construction Contractor’s documents, including licenses, permits, disposal and recycling

records, shall be regularly inspected to ensure they comply with legislation and contract

requirements.

 Review of the Construction Contractor’s Waste Management Plan (WMP) prepared in

accordance with ETWB TC(W) No. 19/2005 to be submitted to the Engineer for approval

before the commencement of any construction work.

 Implementation of mitigation measures listed in Practice Note for Registered Contractors No.

17 Control of Environmental Nuisance from Construction Sites and compliance with the

particular specification listed in Part B of Annex 2 to Appendix C of ETWB TC(W) No. 19/2005

in relation to the use of dump trucks.

 Implementation of a trip-ticket system in accordance with DevB TC(W) No. 6/2010 and the

Waste Disposal (Charges for Disposal of Construction Waste) Regulation and the Demolition

Contractor’s regular submission of chits.

 Provision of suitable enclosed bins or compaction units (separate from C&D Material) in an

enclosed and covered area to be used for the temporary storage of general refuse prior to

its removal from Site by a reputable waste contractor.

Ecology

6-1

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

6 ECOLOGY

6.1 Introduction

6.1.1 Potential ecological impacts arising from the construction phase of the Project were assessed in

Chapter 7 of the EIA Report. Mitigation measures have been recommended to minimise

potential direct and indirect impacts to ecology and biodiversity. With the implementation of

appropriate mitigation measures, no unacceptable ecological impact is anticipated.

6.2 Mitigation Measures

6.2.1 Mitigation measures to prevent potential construction phase direct and indirect ecological

impacts have been recommended in the EIA Report and are detailed in the implementation

schedule in Appendix A. Appropriate parties have been identified to be responsible for the

design and implementation of these mitigation measures.

6.2.2 The three project elements will be assembled/constructed over a two-month period between

mid-April and mid-October, thus avoiding impacts on the high number of waterbirds and

wetland-dependent species present in the dry season.

6.2.3 Adequate site checks in the works area and in the vicinity of the footprint of all project elements

will be conducted by a suitably qualified ecologist prior to commencement of works to search for

substantive usage of the habitat by flora and/or fauna of conservation concern, e.g. the

presence of an otter holt. If roosting or breeding species are found appropriate measures should

be taken to avoid adverse impact, including adjustments to the timing of the works.

6.2.4 It is proposed to reduce the potential for disturbance impacts during the construction phase on

species using adjacent habitats by installing a 2m-high solid, opaque screen around works areas.

In addition, planting bamboo using the native species Bambusa tuldoides (青稈竹, 花眉竹) a

minimum of 2m-high and of sufficient depth to provide an effective screen will be provided

along the access path to the new Tower Hides to reduce disturbance during the operational

phase. It may be necessary to install artificial screens in the early phase while the natural screen

planting reaches acceptable height/depth. Monitoring and Audit requirements regarding these

measures are detailed in Chapter 8 of this Manual.

6.2.5 All construction activity for TH2 and its associated access path, including the passage of

construction vehicles, will cease two hours before sunset, this means 4pm in the wet season

construction period, to avoid impacts on nocturnal roost sites and associated pre-roost

gatherings of Collared Crow in the vicinity of Pond 20.

6.2.6 All construction activity for TH3 and the footpath will cease one hour before sunset to avoid

impacts on ardeid roost or pre-roost sites in the vicinity.

6.2.7 Ahead of construction, ET checks will be conducted during the breeding season to check for the

presence of breeding ardeids within 500m of the footprint of project elements. These checks

should be carried out two weeks prior to construction commencing and the day before. Should

any egretry be discovered in the vicinity of works areas, the need for mitigation measures shall

be assessed in consultation with AFCD.

6.2.8 Adequate site checks along haul roads and in the works area and in the immediate vicinity

should be conducted prior to the commencement of works at TH2 and TH3 to detect substantive

use of adjacent habitat by species of conservation concern. If roosts or breeding species are

found, appropriate measures should be taken to avoid adverse impact, including adjustments to

the timing of works.

6.3 Monitoring and Audit Requirements

Ecology

6-2

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

6.3.1 Regular inspection and audit of each works area shall be conducted both prior to and during the

construction phase of the Project to ensure the recommended ecological mitigation measures

are properly implemented.

6.3.2 To detect substantive use of adjacent habitat by species of conservation concern, adequate site

checks in the works area and in the immediate vicinity should be conducted prior to

commencement of works at TH2 and TH3.

6.3.3 Throughout the construction period, ET checks will be conducted during the early part of the

breeding season (March to May) at works areas.

6.3.4 When there are ongoing construction works within the Project Site, the ET shall carry out

inspections once per week and the IEC shall carry out audits jointly with the ET once every two

weeks.

6.3.5 Inspection findings shall be logged in a site monitoring report with any discrepancies or concerns

regarding the implementation and effectiveness of mitigation measures highlighted.

Fisheries

7-1

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

7 FISHERIES

7.1 Introduction

7.1.1 Potential fisheries impacts arising from the construction phase of the Project were assessed in

Chapter 8 of the EIA Report. No unacceptable fisheries impact is anticipated.

7.2 Mitigation Measures

7.2.1 No mitigation measures are needed.

7.3 Monitoring and Audit Requirements

7.3.1 Regular inspection and audit of each works area adjacent to fishponds shall be conducted during

the construction phase of the Project. When there are ongoing construction works within the

Project Site, the ET shall carry out inspections once per week and the IEC shall carry out audits

jointly with the ET once every two weeks.

7.3.2 Inspection findings shall be logged in a site monitoring report.

Landscape and Visual

8-1

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

8 LANDSCAPE AND VISUAL

8.1 Introduction

8.1.1 Potential landscape and visual impacts arising from the construction phase of the Project were

assessed in Chapter 9 of the EIA Report. Mitigation measures have been recommended to

minimise potential landscape and visual impacts. With the implementation of appropriate

mitigation measures, no unacceptable landscape and visual impact is anticipated.

8.2 Mitigation Measures

8.2.1 Mitigation measures to prevent construction phase landscape and visual impacts have been

recommended in the EIA Report. All the recommended mitigation measures are detailed in the

implementation schedule in Appendix A. Appropriate parties have been identified to be

responsible for the design and implementation of these mitigation measures.

8.3 Monitoring and Audit Requirements

Baseline Monitoring

8.3.1 Prior to the commencement of construction works, a Baseline Landscape and Visual Report shall

be prepared to check, record and report the status of the Landscape Resources (LRs) and

Landscape Character Areas (LCAs) within the works areas and the Visually Sensitive Receivers

(VSRs) within the visual envelope. The Landscape and Visual Impact Assessment (LVIA) in the EIA

Report may be used to formulate the Baseline Monitoring Report provided that there have been

no significant changes to the status of LRs, LCAs and VSRs since the approval of the EIA Report.

8.3.2 If there have been significant changes to the status of LRs, LCAs and VSRs since the approval of

the EIA Report, the recommended landscape and visual mitigation measures should be reviewed

to determine if such changes warrant a change in the design of the landscape and visual

mitigation measures.

Audit

8.3.3 Regular inspection and audit of each works area shall be conducted during the construction

phase of the Project to ensure that proposed landscape and visual mitigation measures are

properly implemented and maintained as per their intended objectives. When there are ongoing

construction works within the Project Site, the ET shall carry out inspections once per week and

the IEC shall carry out audits jointly with the ET once every two weeks.

8.3.4 The screen planting of bamboo at the access to TH2 and TH3 shall be inspected and audited on a

monthly basis by a qualified plant specialist for the first twelve months after planting; on a two-

monthly basis during the second twelve months (months 13 to 24 inclusive); and on a quarterly

basis for the third twelve months (months 25 to 36 inclusive).

8.3.5 Inspection findings shall be logged in a site monitoring report with any discrepancies or concerns

regarding the implementation and effectiveness of mitigation measures highlighted.

Inspection/Audit

9-1

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

9 INSPECTION/AUDIT

9.1 Site Inspection/Audit Requirements

9.1.1 Site inspection/audit provides a direct means to trigger and enforce the specified environmental

protection and pollution control measures. In conjunction with the Project’s contractual

environmental requirements, the implementation of pollution control and mitigation measures,

and a site deficiency and action reporting system (in accordance with the event contingency

plan), site inspection/audit is one of the most effective tools available to enforce environmental

protection requirements on site.

9.1.2 In order to ensure that appropriate environmental protection and pollution control mitigation

measures are properly implemented, when there are ongoing construction works within the

Project Site the ET shall carry out inspections once per week and the IEC shall carry out audits

jointly with the ET once every two weeks.

9.1.3 All observations and results of site inspection/audit will be recorded by the ET on a Site

Inspection/Audit Checklist that will be passed to the Contractor. If non-compliance is found, the

relevant Event/Action Plan shall be implemented.

9.1.4 The Site Inspection/Audit Checklist shall be prepared by the ET and verified by the IEC then

submitted to the ER for approval. The ET is also responsible for formulation of the

environmental site inspection/audit, deficiency and action reporting system.

9.1.5 The areas of inspection/audit shall not be limited to the environmental situation, pollution

control and mitigation measures within the site; it will also review the environmental situation

outside the site area which is likely to be affected, directly or indirectly, by the site activities. The

ET shall make reference to the following information in conducting the inspection/audit:

 Recommendations on pollution control mitigation measures in the EIA Report.

 Works progress, programme and activities currently being carried out within the Site.

 Individual works methodology proposals (which shall include proposals on associated

pollution control measures).

 Contract specifications on environmental protection.

 Relevant environmental protection and pollution control laws

 Previous site inspection/audit results.

9.1.6 The Contractor shall regularly update the ET Leader and IEC with relevant information regarding

construction works to enable site inspections/audits to be carried out effectively. The inspection

/audit results and any associated recommendations on improvements to the environmental

protection and pollution control works shall be submitted to the ER and the Contractor within 24

hours, for taking action as appropriate. The Contractor shall follow the procedures and time-

frame as stipulated in the environmental site inspection/audit, deficiency and action reporting

system to report on any remedial measures subsequent to the site inspections/audits.

9.1.7 The inspections/audits carried out by the ET and IEC shall also check the implementation and

effectiveness of previously recommended remedial measures.

9.1.8 Ad hoc site inspections/audits shall also be carried out if significant environmental problems are

identified. Inspections/audits may also be required subsequent to receipt of an environmental

complaint, or as part of the investigation/audit work, as specified in the Event/Action Plan.

9.2 Compliance with Legal and Contractual Requirements

9.2.1 There are contractual environmental protection and pollution control requirements as well as

environmental protection and pollution control laws in Hong Kong, which the Contractor shall

ensure his construction activities comply with.

Inspection/Audit

9-2

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

9.2.2 In order that the works are in compliance with the contractual requirements, all the works

method statements submitted by the Contractor to the ER for approval shall be sent to ET

Leader for vetting to see whether sufficient environmental protection and pollution control

measures have been included.

9.2.3 The ET Leader shall also review the progress and programme of the works to check that relevant

environmental laws have not been violated and that the any foreseeable potential for violating

the laws can be prevented.

9.2.4 The Contractor shall regularly copy relevant documents to the ET Leader so that the checking

work can be carried out. These document shall at least include an updated Work Progress

Report, updated Works Programme, application letters for various licences/permits and copies

of valid licences/permits when issued. The Site Diary shall also be made available for the ET

Leader‘s inspection upon request.

9.2.5 The ET Leader 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 Leader’s review concludes that the current status on licence/permit

application and any environmental protection and pollution control preparation works may not

be compatible with the works programme or may result in violation of environmental protection

and pollution control requirements in due course, he/she shall advise the Contractor and the ER

accordingly.

9.2.6 Upon receipt of the ET Leader’s advice, the Contractor shall undertake immediate action to

remedy the situation. The ER shall follow up to ensure that appropriate action has been taken by

the Contractor in order that the environmental protection and pollution control requirements

are fulfilled.

9.3 Environmental Complaints

9.3.1 Complaints shall be referred to the ET Leader for carrying out an investigation. The ET Leader

shall undertake the following procedures upon receipt of a complaint:

 Log complaint and date of receipt and inform the ER immediately.

 Investigate the complaint to determine its validity, and to assess whether the source of the

problem is due to works activities.

 If a complaint is valid and due to works, identify mitigation measures.

 If mitigation measures are required, advise the Contractor accordingly.

 Review the Contractor’s response on the identified mitigation measures and the updated

situation.

 If the complaint is a referral from EPD, submit an Interim Complaint Report to EPD (after

endorsement by ER) on status of the complaint investigation and follow-up action within the

time frame assigned by EPD.

 Undertake additional monitoring and audit, if necessary, to verify the situation and ensure

that reasons for the original complaint do not recur.

 Report the investigation results and the subsequent actions to remedy the source of complaint

and respond to complainant directly or, if the complaint was a referral from EPD, submit a

Complaint Report to EPD (after endorsement by ER) on status of the complaint investigation

and follow-up action within the time frame assigned by EPD.

 Record the complaint, investigation, the subsequent actions and the results in the monthly

EM&A report.

9.3.2 During the complaint investigation, the Contractor and ER shall co-operate with the ET Leader in

providing all necessary information and assistance to complete the investigation. If additional

mitigation measures are identified in the investigation, the Contractor shall promptly implement

these. The ER shall ensure that the measures have been carried out by the Contractor.

Reporting

10-1

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

10 REPORTING

10.1 Baseline Monitoring Report

10.1.1 The baseline monitoring results, their interpretation and any proposals for the Action/ Limit level

parameters shall be presented in the Baseline Monitoring Report that will be submitted to the

ER for agreement. The Baseline Monitoring Report should be supported by baseline monitoring

data in electronic format prepared in HTML or PDF format, along with information from the

covering monitoring locations, equipment and protocols. The agreed Baseline Monitoring Report

will then be reissued as a standalone report. The report shall be prepared by the ET and shall be

verified by the IEC.

10.1.2 The Baseline Monitoring Report shall include at least the following:

 Up to half a page of Executive Summary

 Project background information

 Drawings showing the locations of the baseline monitoring stations

 Monitoring results including graphical plots, together with the following information, as

needed:

– Monitoring methodology

– Name of the laboratory and types equipment used and calibration details

– Parameters monitored

– Monitoring locations

– Monitoring date, time, frequency and duration

– QA/QC results and detection limits

 Interpretation of the significance of monitoring results and explanation of any influencing

factors, including:

– Major activities, if any, being carried out in the Project Site

– Weather conditions

– Other factors which might affect the monitoring results

 Determination of Action and Limit levels for monitoring parameters, as needed.

 Baseline Landscape and Visual Report

 Any revisions for inclusion in the EM&A programme

 Comments and conclusions

10.2 Monthly EM&A Reports

10.2.1 The results and finding of all EM&A work required in the EM&A programme shall be recorded in

the Monthly EM&A Reports prepared by the ET Leader. Monthly EM&A Reports shall be

submitted to the ER within 10 working days of the end of each reporting month after being

verified by the IEC. The first report will be submitted in the month after construction works

commence. Each Monthly EM&A Report shall be submitted to the following parties: the

Contractor, the IEC, the ER and EPD.

10.2.2 Before submission of the first Monthly EM&A Report, the ET Leader shall liaise with the parties

on format of the monthly reports to be submitted as .pdf files via email.

10.2.3 The monthly EM&A Report shall include the following:

 1-2 pages Executive Summary:

– Any exceedances of Action and Limit levels

– Compliant log

– Notifications of any summons and successful prosecutions

– Reporting changes

– Future key issues

Reporting

10-2

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

 Basic project information:

– Project organisation, including key personnel contact details

– Programme

– Management structure

– Works undertaken during the month

– Any updates as needed to the scope of works and construction methodologies

 Brief Summary of EM&A Requirements:

– All monitoring parameters

– Environmental quality performance limits (Action and Limit Levels)

– Event/Action Plan

– Environmental mitigation measures as recommended in the EIA Report

– Environmental requirements in contract documents

 Environmental Status:

– Advice on the status of statutory environmental compliance such as the status of

compliance with the EP conditions under the EIAO, submission status under the EP and

implementation status of mitigation measures

– Works undertaken during the month with illustrations (such as location of works, daily

excavation rate, etc.)

– Drawings showing the Project Site, any environmental sensitive receivers and the

locations of the monitoring and control stations (with co-ordinates of the monitoring

locations)

 Implementation Status: Advice on the implementation status of environmental

protection/pollution control/mitigation measures, recommended in the EIA Report

 Monitoring results together the following information:

– Monitoring methodology

– Name of laboratory and types of equipment used and calibration details

– Monitoring parameters

– Monitoring locations

– Monitoring date, time, frequency, and duration

– Weather conditions during the period

– Any other factors which might affect the monitoring results

– QA/QC results and detection limits

 Report on any non-compliance, complaints, and any notifications of summons and

successful prosecutions:

– Record of all non-compliance (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 notification of summons and successful 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

– Review of the reasons for and the implications of non-compliances, 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

 Others:

– An account of the future key issues as reviewed from the works programme and work

method statements

– Advice on the solid waste management status

Reporting

10-3

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

– Record of any project changes from that originally proposed in the EIA Report (e.g.

construction methods, programme, mitigation, design changes, etc.)

– Comments (for example, effectiveness and efficiency of the mitigation measures),

recommendations (for examples, any improvement in the EM&A programme) and

conclusions

 Appendices:

– Action and Limit levels

– Graphical plots of trends of the monitoring parameters at key stations over the past four

reporting periods (where available) annotated against the following:

 Major activities being carried out on site during the period

 Weather conditions during the period

 Any other factors that 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

10.3 Final Summary EM&A Report

10.3.1 The EM&A programme for construction stage shall be terminated upon the completion of the

construction activities. The proposed termination should only be implemented after the

proposal has been endorsed by the IEC and the ER followed by approval from the Director of

Environmental Protection.

10.3.2 The Final EM&A Review Report for construction stage (to be submitted after completion of

construction activities) shall be prepared by the ET and shall be verified by the IEC and should

contain at least the following information:

 Executive Summary (1-2 pages)

 Drawings showing the project area, any environmental sensitive receivers and the locations

of the monitoring and control stations, if any

 Basic project information including a synopsis of the project organisation, contacts of key

management, and a synopsis of work undertaken during the course of the EM&A

programme

 A brief summary of EM&A requirements including:

– Environmental mitigation measures for construction stage, as recommended in the

project EIA Report

– Environmental impact hypotheses tested

– Environmental quality performance limits (Action and Limit levels)

– All monitoring parameters

– Event and Action Plans

 A summary of the implementation status of environmental protection and pollution

control/mitigation measures for construction stage, as recommended in the project EIA

Report and summarised in the updated implementation schedule

 A summary of the monitoring results over the period of the EM&A programme together

with the following information:

– Monitoring methodology

– Name of laboratory and types of equipment used and calibration details

– Monitoring parameters

– Monitoring locations

– Monitoring date, time, frequency, and duration

– Graphical plots of monitored trends over the period of the EM&A programme

– Any other factors which might affect the monitoring results

– QA/QC results and detection limits

Reporting

10-4

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

 A summary of non-compliance (exceedances) of the environmental quality performance

limits (Action and Limit levels)

 A review of the reasons for and the implications of non-compliance including review of

pollution sources and working procedures as appropriate

 A description of the actions taken in the event of non-compliance

 A summary record of all complaints received (written or verbal) for each media, liaison and

consultation undertaken, actions and follow-up actions taken and results

 A review of the validity of EIA predictions for construction stage and identification of

shortcomings in EIA recommendations

 Comments (for example, a review of the effectiveness and efficiency of the mitigation

measures, the performance of the environmental management system, and the overall

EM&A programme for construction stage)

 Recommendations and conclusions (for example, a review of success of the overall

EM&A programme for construction stage to cost-effectively identify deterioration and to

initiate prompt effective mitigatory action when necessary)

10.4 Letters Documenting Post-planting Landscape Inspections

10.4.1 Commencing after completion of the planting of the bamboo screen at TH2 and TH3, letter

reports shall be prepared by the ET and submitted to the Director of Environmental Protection

at the frequency indicated in paragraph 8.3.5.

10.5 Data Keeping

10.5.1 Documents such as the monitoring field records, site inspection forms etc. are not required to be

included in the monthly EM&A reports for submission. However, all documents and records shall

be kept by the ET and be ready for inspection upon request. All documents and data shall be

kept by the ET for at least one year after termination of the EM&A programme.

10.6 Interim Notifications of Environmental Quality Limit Exceedances

10.6.1 With reference to the Event and Action Plans, when the environmental quality performance

limits are exceeded, and if they are proven to be valid, the ET shall immediately notify the IEC

and EPD, as appropriate. The notification should be followed up with advice to the IEC and EPD

on the results of the investigation, proposed actions and success of the actions taken, with any

necessary follow-up proposals.

10.6.2 A sample template for the interim notification is provided in Appendix B.

Appendix A

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

Appendix A Implementation Schedule for the Project

Appendix A

A-1

Note: * D = Deign Stage | C = Construction Stage | O = Operation Stage

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

EIA

REPORT

REF.

EM&A

ACTION

REF.

RECOMMENDED MITIGATION MEASURES

OBJECTIVES OF THE MEASURE AND

MAIN CONCERNS TO ADDRESS

LOCATION

MEASURE

WHO TO

IMPLEMENT

MEASURE?

WHEN TO

IMPLEMENT

MEASURE?*

STANDARD OR

REQUIREMENTS FOR

MEASURE TO

ACHIEVE?

AIR QUALITY

3.2.6

A.1

Use of approved Non-road Mobile Machinery

(NRMM) for all site works areas

To minimise pollutants from

exhaust emissions of mobile plant

and equipment

All works

areas

Construction

Contractor



Air Pollution Control

(Non-road Mobile

Machinery)

(Emission) Regulation

3.6.2

A.2

Off-site Pre-fabrication of key elements for TH2 and

TH3

To reduce air quality impacts

associated with construction of

new buildings

TH2 and

TH3

Engineer +

Construction

Contractor



Additional measure

for minimisation of

detrimental impacts

to wildlife and the

local community

3.7.2

A.3

1. Regular watering to reduce dust emissions from

exposed site surfaces and unpaved roads,

particularly during dry weather

2. Open stockpiles shall be avoided or covered.

Where possible, prevent placing dusty materials

storage piles near ASRs.

3. Side enclosure of any aggregate or dusty

material storage piles to reduce emissions.

Where this is not practicable owing to frequent

usage, spraying with water shall be carried out

4. Tarpaulin covering of all dusty vehicle loads

transported to and from the Site

5. Use of water sprinklers at the loading area

where dust generation is likely during the

loading process of loose material, particularly in

dry weather

6. Imposition of speed controls for vehicles on Site

7. Establishment and use of vehicle wheel and

body washing facilities at the exit of the Site to

minimise the fugitive dust emissions generated

8. Site layout should be carefully planned such

that machinery and dust causing activities (e.g.

To reduce fugitive dust emissions

from works areas

All works

areas

Construction

Contractor



Air Pollution Control

(Construction Dust)

Regulation

Appendix A

A-2

Note: * D = Deign Stage | C = Construction Stage | O = Operation Stage

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

EIA

REPORT

REF.

EM&A

ACTION

REF.

RECOMMENDED MITIGATION MEASURES

OBJECTIVES OF THE MEASURE AND

MAIN CONCERNS TO ADDRESS

LOCATION

MEASURE

WHO TO

IMPLEMENT

MEASURE?

WHEN TO

IMPLEMENT

MEASURE?*

STANDARD OR

REQUIREMENTS FOR

MEASURE TO

ACHIEVE?

haul roads and stockpiling areas) could be

located away from the ASR as far as possible

9. Where possible, routing of vehicles and

positioning of construction plant should be at

the maximum possible distance from ASRs

10. Solid screens are recommended to be erected

around any dusty construction activities

NOISE

4.6.3

N.1

Prohibition of works during Restricted Hours

To restrict and reduce noise

nuisance during restricted hours.

All works

areas

Construction

Contractor



NCO

4.6.3

N.2

Prohibition of percussive piling

To restrict and reduce noise

nuisance from the use of noisy and

heavy piling equipment.

All works

areas

Construction

Contractor



TM on Noise from

Percussive Piling

4.9.1

N.3

1. Adopt Code of Practice on Good Management

Practice to Prevent Violation of the NCO

2. Before commencing work, the Contractor shall

submit to the Project Engineer the method of

working, equipment and noise mitigation

measures intended to be used at the Site

3. Devise and execute working methods to

minimise the noise impact on the surrounding

sensitive uses, and provide experienced

personnel with suitable training to ensure that

those methods are implemented

4. PME should be kept to a minimum and the

parallel use of noisy equipment/ machinery

should be avoided

5. Turn off unused equipment

6. Regular maintenance (off-site) of all plant and

equipment

To restrict and reduce noise

nuisance from works areas.

All works

areas

Construction

Contractor



Mai Po Inner Deep

Bay Ramsar Site

Management Plan

Code of Practice on

Good Management

Practice to Prevent

Violation of the NCO

(for Construction

Industry)

Appendix A

A-3

Note: * D = Deign Stage | C = Construction Stage | O = Operation Stage

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

EIA

REPORT

REF.

EM&A

ACTION

REF.

RECOMMENDED MITIGATION MEASURES

OBJECTIVES OF THE MEASURE AND

MAIN CONCERNS TO ADDRESS

LOCATION

MEASURE

WHO TO

IMPLEMENT

MEASURE?

WHEN TO

IMPLEMENT

MEASURE?*

STANDARD OR

REQUIREMENTS FOR

MEASURE TO

ACHIEVE?

WATER QUALITY

5.4.17

WQ.1

Foundation works at TH2 and TH3 shall be aligned

with the schedule of draining the adjacent gei wai

set out in the MPNR Management Plan 2019-2024.

Making use of hydraulic isolation of

adjacent gei wai to avoid pollution

of other gei wai and Deep Bay

TH2 and

TH3 for

foundation

works

Engineer +

Construction

Contractor



MPNR Management

Plan 2019-2024

5.4.27

WQ.2

A perimeter bund will be constructed around the

work sites for TH2 and TH3 to ensure that any

runoff generated from within these sites is

discharged only into the adjacent drained gei wai

To ensure pollutants cannot

discharge into other water-filled gei

wai and so provide a pathway for

pollutants to enter Deep Bay

TH2 and

TH3 for

foundation

works

Engineer +

Construction

Contractor



Additional measure

for minimisation of

detrimental impacts

to wildlife and the

local community

5.4.27

WQ.3

The majority of construction components shall be

pre-fabricated off-site to avoid any impacts

associated with construction on-site

To achieve zero polluted runoff

from works areas by minimising on-

site construction of building

components

Off-site

Engineer +

Construction

Contractor



5.4.27

WQ.4

All concrete will be mixed off-site and brought into

each works area only when needed and only in the

quantities required, so that there is no need to store

(or dispose of) any surplus concrete

To achieve zero polluted runoff

from works areas by avoiding

concrete mixing, storage and/or

disposal on site

Off-site

Construction

Contractor



5.4.27

WQ.5

Any concrete spilled within the works area will be

immediately cleaned up and removed from the area

To achieve zero polluted runoff

from works areas by immediate

cleaning up and removal of spilled

concrete

All works

areas

Construction

Contractor



5.4.27

WQ.6

Plant, equipment and vehicles shall not be

maintained or repaired within any works area in the

Project Site

To achieve zero polluted runoff

from works areas by handling and

treating any resulting oil, chemical

waste or other polluting substances

off-site in an appropriate manner

Off-site

Construction

Contractor



5.4.27

WQ.7

During re-fuelling, drip trays shall be provided at any

fuel connection point. Any spilled fuel shall be

collected and taken off-site for proper treatment/

disposal

To achieve zero polluted runoff

from works areas by carrying out

the refuelling with extreme care

All works

areas

Construction

Contractor



Good Site Practice

5.4.27

WQ.8

Materials, plant or equipment that could give rise to

contaminated runoff during extreme rainfall will be

To minimise the quantity of

contaminated runoff during

All works

areas

Construction

Contractor



Appendix A

A-4

Note: * D = Deign Stage | C = Construction Stage | O = Operation Stage

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

EIA

REPORT

REF.

EM&A

ACTION

REF.

RECOMMENDED MITIGATION MEASURES

OBJECTIVES OF THE MEASURE AND

MAIN CONCERNS TO ADDRESS

LOCATION

MEASURE

WHO TO

IMPLEMENT

MEASURE?

WHEN TO

IMPLEMENT

MEASURE?*

STANDARD OR

REQUIREMENTS FOR

MEASURE TO

ACHIEVE?

protected by being covered, either by tarpaulin or

by small gazebos that can be erected within minutes

extreme rainfall

5.4.27

WQ.9

Each works area will be provided with at least one

chemical toilet for use by workers. Sewage collected

in these chemical toilets will be treated off-site

To ensure sewage is collected and

treated off-site properly

All works

areas

Construction

Contractor



5.4.27

WQ.10

Each works area will be provided one bunded and

covered area for the temporary storage of C&D

material – one section for inert C&D material and one

area for C&D waste. These areas will be emptied

frequently, using construction material delivery

vehicles that are empty on their return journey

To ensure proper storage of C&D

material to avoid polluting adjacent

gei wai or fishponds

All works

areas

Construction

Contractor



5.4.27

WQ.11

Each works area will be provided with at least one

set of waterproof waste receptacles – one for

recyclable waste and one for non-recyclable waste.

These areas will be emptied frequently

To ensure proper storage of wastes

to avoid polluting adjacent gei wai

or fishponds

All works

areas

Construction

Contractor



5.6.2

WQ.12

1. Perimeter channels at site boundaries shall be

provided to intercept storm runoff from outside

the works areas so that it will not wash across

the works areas and to direct all site runoff only

into adjacent drained gei wai

2. For the purpose of preventing soil erosion,

exposed slope surfaces shall be covered e.g. by

tarpaulin, and temporary access roads shall be

protected by crushed stone or gravel

3. Intercepting channels shall be provided (e.g.

along the crest/edge of excavation) to prevent

storm runoff from washing across exposed soil

surfaces. Arrangements shall always be in place

to ensure that adequate surface protection

measures can be safely carried out well before

the arrival of a rainstorm

4. Earthworks final surfaces shall be well

compacted and subsequent permanent works

To minimise the quantity of

contaminated runoff and muddy

water from works areas by

following the good site practice

All works

areas

Construction

Contractor



ProPECC PN 1/94

Construction Site

Drainage

Appendix A

A-5

Note: * D = Deign Stage | C = Construction Stage | O = Operation Stage

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

EIA

REPORT

REF.

EM&A

ACTION

REF.

RECOMMENDED MITIGATION MEASURES

OBJECTIVES OF THE MEASURE AND

MAIN CONCERNS TO ADDRESS

LOCATION

MEASURE

WHO TO

IMPLEMENT

MEASURE?

WHEN TO

IMPLEMENT

MEASURE?*

STANDARD OR

REQUIREMENTS FOR

MEASURE TO

ACHIEVE?

or surface protection shall be carried out

immediately after the final surfaces are formed

to prevent erosion. Appropriate drainage like

intercepting channels shall be provided where

necessary

5. Measures shall be taken to minimise the ingress

of rainwater into trenches – they shall be dug

and backfilled in short sections

5.5.1

WQ.13

The two new tower hides will not be provided with

toilets or washrooms. Runoff from the roof of the

tower hides and from the boardwalks will not be

contaminated

No wastewater will be generated

during operation.

TH2 and

TH3

Construction

Contractor



Additional measure

for minimisation of

detrimental impacts

to wildlife and the

local community

WASTE MANAGEMENT

6.6.2

WM.1

Preparation of a WMP to manage waste on site

To identify potential environmental

impacts from the generation of

waste; to recommend appropriate

waste handling, collection, sorting,

disposal and recycling measures;

and to categorise and permit

segregation of C&D material (i.e.

inert C&D materials, C&D waste,

etc.) for off-site reuse, recycling,

treatment and/or disposal

All works

areas

Construction

Contractor



ETWB TC(W) No.

19/2005, Env Mgmt

on Construction Sites

6.6.3

WM.2

Waste storage areas should be well maintained and

cleaned regularly

To adopt good housekeeping

practices and prevent waste

materials being blown around by

wind, flushed or leached into nearby

waters, or creating odour nuisance

or pest and vermin problems

All works

areas

Construction

Contractor



Good Site Practice

6.6.4

WM.3

Store refuse pending removal in receptacles

provided with close fitting covers and remove and

properly dispose of refuse daily

To avoid waste materials be flushed

or leached during inclement weather

conditions such as heavy rainfall

All works

areas

Construction

Contractor



PNRC No. 17 Control

of Env Nuisance from

Construction Sites

Appendix A

A-6

Note: * D = Deign Stage | C = Construction Stage | O = Operation Stage

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

EIA

REPORT

REF.

EM&A

ACTION

REF.

RECOMMENDED MITIGATION MEASURES

OBJECTIVES OF THE MEASURE AND

MAIN CONCERNS TO ADDRESS

LOCATION

MEASURE

WHO TO

IMPLEMENT

MEASURE?

WHEN TO

IMPLEMENT

MEASURE?*

STANDARD OR

REQUIREMENTS FOR

MEASURE TO

ACHIEVE?

6.6.4

WM.4

Dump trucks shall be fitted with covered box type

dump bed and such dump trucks shall comply with

the particular specification listed in Part B of Annex

2 to Appendix C of ETWB TC(W) No. 19/2005

To ensure C&D Material will be

delivered to the appropriate

designated outlets and dump trucks

to minimise potential nuisance

during transportation of waste

All works

areas

Construction

Contractor



Part B of Annex 2 to

Appendix C of ETWB

TC(W) No. 19/2005

6.6.5

WM.5

Establishment of a Trip Ticket System to monitor the

disposal of public fill and solid wastes at public filling

facilities and landfills, and to control fly-tipping

To monitor the disposal of public

fill and solid wastes at public filling

facilities and landfills, and to

control fly-tipping

Off-site

Construction

Contractor



DevB TC(W) No.

6/2010 and Waste

Disposal (Charges for

Disposal of Constr.

Waste) Reg

6.6.6

WM.6

General refuse should be stored in enclosed bins or

compaction units separate from C&D material. A

reputable waste collector should be employed by

the construction contractor to remove general

refuse from the Site, separately from C&D materials

To separate general refuses from

C&D material and ensure proper

disposal

All works

areas

Construction

Contractor



Good Site Practice

6.6.7

WM.7

1. The Contractor shall observe and comply with

the WDO and its subsidiary regulations

2. The Contractor shall submit to the Engineer a

WMP with appropriate mitigation measures

including allocation of an area for waste

segregation and shall ensure that day-to-day

site operations comply with the approved WMP

3. The Contractor shall minimise the generation of

waste from his work. Avoidance and

minimisation of waste can be achieved through

changing or improving design and practices,

careful planning and good site management

4. The Contractor shall ensure that different types

of wastes are segregated on-site and stored in

different containers, skips or stockpiles to

facilitate reuse/recycling of waste and, as the

last resort, disposal at different outlets

To further minimise the

environmental impacts related to

waste arising from the Project

All works

areas

Construction

Contractor



Good Site Practice

Waste Disposal

(Chemical Waste)

(General) Regulation

Appendix A

A-7

Note: * D = Deign Stage | C = Construction Stage | O = Operation Stage

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

EIA

REPORT

REF.

EM&A

ACTION

REF.

RECOMMENDED MITIGATION MEASURES

OBJECTIVES OF THE MEASURE AND

MAIN CONCERNS TO ADDRESS

LOCATION

MEASURE

WHO TO

IMPLEMENT

MEASURE?

WHEN TO

IMPLEMENT

MEASURE?*

STANDARD OR

REQUIREMENTS FOR

MEASURE TO

ACHIEVE?

5. The reuse and recycling of waste shall be

practised as far as possible. The recycled

materials shall include paper/cardboard, timber

and metal, etc.

6. The Contractor shall ensure that C&D materials

are sorted into public fill (inert portion) and C&D

waste (non-inert portion). Public fill, which

comprises soil, rock, concrete, brick, cement

plaster/mortar, inert building debris, aggregates

and asphalt, shall be reused in earth filling,

reclamation or site formation works. C&D waste,

which comprises metal, timber, paper, glass, junk

and general refuse, shall be reused, recycled or,

as the last resort, disposed of at landfill

7. The Contractor shall record the amount of

waste generated, recycled and disposed of

8. The Contractor shall use a trip ticket system for

the disposal of C&D materials to any designated

PFRFs and/or landfill

9. Training shall be provided for workers about the

concepts of site cleanliness and appropriate

waste management procedures, including waste

reduction, reuse and recycling

10. The Contractor shall not permit any sewage,

wastewater or effluent containing sand,

cement, silt or any other suspended or

dissolved material to flow from the Site onto

any adjoining land or allow any waste matter

that is not part of the final product from waste

processing plants to be deposited anywhere

within the Site or onto any adjoining land. He

shall arrange removal of such matter from the

site in a proper manner to the satisfaction of

the Engineer

Appendix A

A-8

Note: * D = Deign Stage | C = Construction Stage | O = Operation Stage

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

EIA

REPORT

REF.

EM&A

ACTION

REF.

RECOMMENDED MITIGATION MEASURES

OBJECTIVES OF THE MEASURE AND

MAIN CONCERNS TO ADDRESS

LOCATION

MEASURE

WHO TO

IMPLEMENT

MEASURE?

WHEN TO

IMPLEMENT

MEASURE?*

STANDARD OR

REQUIREMENTS FOR

MEASURE TO

ACHIEVE?

11. The Contractor shall observe and comply with

the Waste Disposal (Chemical Waste) (General)

Regulation

6.6.8

WM.8

1. Construction material, stockpiles, chemical and

waste storage/recycling facilities should be

immediately moved to secured area

2. Construction material, stockpiles and waste

storage/recycling facilities should be covered by

an impermeable sheeting, if necessary

3. Intercepting channels will be provided at the

edge of the excavated area to prevent storm

runoff from washing across the exposed surface

To adopt additional control

measures when inclement weather

(e.g. heavy rain, typhoon, etc.) is

forecast

All works

areas

Construction

Contractor



Good Site Practice

6.6.9

WM.9

Visitors will be encouraged to bring their own

reusable water bottles and food containers, rather

than single-use containers, and free drinking water

for visitors will be provided at the MPEC. No waste

receptacles are provided within MPNR and visitors

will be encouraged to take their waste home with

them

To minimise the amount of waste

generated by visitors to MPNR

Throughout

MPNR

WWF



Additional measure

for minimisation of

detrimental impacts

to wildlife and the

local community

Table

6-3

WM.10

Inert C&D Material: PFRF at Tuen Mun Area 38

To ensure proper management and

treatment of inert C&D material

Off-site

Construction

Contractor



Table

6-3

WM.11

C&D Waste (non-inert): Segregation + recycling by

local recyclers / residual waste to NENT Landfill

To ensure proper management and

treatment of C&D waste (non-inert)

Off-site

Construction

Contractor



Table

6-3

WM.12

C&D Waste (vegetation): Vegetation shall be

composted on-site

To ensure proper management and

treatment of C&D waste (veg)

On-site

WWF



Table

6-3

WM.13

General Refuse: Segregation + off-site recycling by

local recyclers/residual waste to NWNT RTS

To ensure proper management and

treatment of general refuse

Off-site

Construction

Contractor



ECOLOGY

7.9.3

E.1

The three project elements will be

assembled/constructed over a two-month period

between mid-April and mid-October

To avoid impacts on the high

number of waterbirds and wetland-

dependent species present in the

dry season

All works

areas

Construction

Contractor



Additional measure

for minimisation of

detrimental impacts

to wildlife and the

Appendix A

A-9

Note: * D = Deign Stage | C = Construction Stage | O = Operation Stage

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

EIA

REPORT

REF.

EM&A

ACTION

REF.

RECOMMENDED MITIGATION MEASURES

OBJECTIVES OF THE MEASURE AND

MAIN CONCERNS TO ADDRESS

LOCATION

MEASURE

WHO TO

IMPLEMENT

MEASURE?

WHEN TO

IMPLEMENT

MEASURE?*

STANDARD OR

REQUIREMENTS FOR

MEASURE TO

ACHIEVE?

7.9.4

E.2

Adequate site checks in the works area and in the

vicinity of the footprint of all project elements will

be conducted by a suitably qualified ecologist prior

to commencement of works to search for

substantive usage of the habitat by flora and/or

fauna of conservation concern, e.g. the presence of

an otter holt

To avoid impacts on mammals, in

particular Eurasian Otter

All works

areas



local community

7.9.6

E.3

Install a 2m-high solid, opaque screen around works

areas

To mitigate disturbance to species

using adjacent habitats

All works

areas

Construction

Contractor



7.9.6

E.4

Provide screen planting using native bamboo

species Bambusa tuldoides (青稈竹, 花眉竹) to the

access path to the new Tower Hides to reduce

disturbance during the construction and operational

phase (see also LV.6, below)

To mitigate disturbance to species

using adjacent habitats

Access to

THs

Construction

Contractor

+WWF



7.9.7

E.5

All construction activity for TH2 and its associated

access path, including the passage of construction

vehicles, will cease two hours before sunset, this

means 4pm in the wet season construction period

To avoid impacts on nocturnal

roost sites and associated pre-roost

gatherings of Collared Crow in the

vicinity of Pond 20

TH2

Construction

Contractor



7.9.8

E.6

Ahead of construction, ET checks will be conducted

during the breeding season. These checks should be

carried out two weeks prior to construction

commencing and the day before. Should any egretry

be discovered in the vicinity of works areas, the

need for mitigation measures shall be assessed in

consultation with AFCD

To check for the presence of

breeding ardeids within 500m of

the footprint of project elements

All works

areas



7.9.9

E.7

All construction activity for footpath and TH3 will

cease one hour before sunset

To prevent disturbance to nearby

ardeid pre-roost and roost activities

TH3 and

footpath

Construction

Contractor



7.9.11

E.8

Adequate site checks along haul roads and in the

works area and in the immediate vicinity should be

conducted prior to the commencement of works at

TH2 and TH3

To detect substantive use of

adjacent habitat by species of

conservation concern. If roosts or

breeding species are found,

TH2 and

TH3



Appendix A

A-10

Note: * D = Deign Stage | C = Construction Stage | O = Operation Stage

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

EIA

REPORT

REF.

EM&A

ACTION

REF.

RECOMMENDED MITIGATION MEASURES

OBJECTIVES OF THE MEASURE AND

MAIN CONCERNS TO ADDRESS

LOCATION

MEASURE

WHO TO

IMPLEMENT

MEASURE?

WHEN TO

IMPLEMENT

MEASURE?*

STANDARD OR

REQUIREMENTS FOR

MEASURE TO

ACHIEVE?

appropriate measures should be

taken to avoid adverse impact,

including adjustments to the timing

of works

7.9.12

E.9

Prior to any tree pruning or felling works, a careful

check should be conducted by an experienced

ecologist to ensure that bats or active bird nests are

not present

To avoid disturbance to bat and

bird species nesting in trees

All works

areas



7.9.14

E.10

Desilting channels at gei wai 19, reconnecting

gei wai 19a with gei wai 19b, and merging the

six sub-ponds (20a to 20f) of gei wai 20 (for

TH2); and enhancement of gei wai 8a through

reprofiling and connection of gei wai 8a with

gei wai 7 (forTH3).

To provide habitat

enhancement to offset the loss

of very small areas of gei wai

bund and pond bund due to

construction of the new TH2,

TH3 and boardwalk path

TH2 and

TH3

Construction

Contractor

+WWF



FISHERIES

8.3.19

F.1

Contingency plan when construction works are in

the vicinity of commercial fish ponds:

1. Identification of potential emergency situations

– consult with WWF and owners of the ponds.

2. Emergency response team

3. Emergency response procedures

4. List of emergency telephone hotlines

5. Location and type of emergency equipment

6. Training plan and testing for effectiveness

To prevent perforated liner and

damaged/destabilized pond bunds

In the

vicinity of

commercial

fish ponds

Construction

Contractor



Additional measure

for minimisation of

detrimental impacts

to wildlife and the

local community

LANDSCAPE AND VISUAL

9.7.4

LV.1

CM1: Construction lighting control: to ensure no

night time lighting at all works areas.

To restrict and reduce light

pollution during night time.

All works

areas

Construction

Contractor



Additional measure

for minimisation of

detrimental impacts

to wildlife and the

local community

9.7.4

LV.2

CM2: All existing trees and vegetation outside the

works footprints shall be properly preserved and

To protect the landscape quality of

the existing trees and vegetation.

All works

areas

Construction

Contractor



DevB TCW No.

7/2015

Appendix A

A-11

Note: * D = Deign Stage | C = Construction Stage | O = Operation Stage

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

EIA

REPORT

REF.

EM&A

ACTION

REF.

RECOMMENDED MITIGATION MEASURES

OBJECTIVES OF THE MEASURE AND

MAIN CONCERNS TO ADDRESS

LOCATION

MEASURE

WHO TO

IMPLEMENT

MEASURE?

WHEN TO

IMPLEMENT

MEASURE?*

STANDARD OR

REQUIREMENTS FOR

MEASURE TO

ACHIEVE?

protected.

9.7.4

LV.3

CM3: All the construction materials shall be

properly stored at the designated locations within

the works areas.

To ensure proper storage of

construction materials and enhance

tidiness on site.

All works

areas

Construction

Contractor



Good Site Practice

9.7.4

LV.4

CM4: Erection of screen hoarding for TH2 and TH3

(where appropriate, hoardings with surface

treatment/ colour suitable to the rural context shall

be used).

To minimise potential impact on

landscape / visual quality during

construction of TH2 and TH3.

All works

areas

Construction

Contractor



Additional measure

for minimisation of

detrimental impacts

to wildlife and the

local community

9.7.5

LV.5

OM1: Suitable/responsive design of the proposed

Boardwalks and Bird-watching Hides

To enhance overall landscape /

visual quality by fitting in with the

surrounding natural landscapes.

TH2 and

TH3, New

Boardwalks

Design

Consultant/

WWF



9.7.5

LV.6

OM2: Provide screen planting using native bamboo

species Bambusa tuldoides (青稈竹, 花眉竹) to the

access to the new Tower Hides to soften the

appearance of the hard elements of the Project.

To enhance overall landscape /

visual quality by fitting in with the

surrounding natural landscapes.

Access to

THs

Construction

Contractor



Appendix B

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

Appendix B Sample Template for Interim Notification

Appendix B

B-1

EIA REPORT VOLUME IV: EM&A MANUAL

Mai Po Nature Reserve Infrastructure Upgrade Project

Prepared for World Wide Fund For Nature Hong Kong

SMEC Internal Ref. 7076457 D01

20 October 2021

Incident Report on Action Level or Limit Level Non-compliance

To ______________________________

Attention ______________________________

Fax No. ______________________________

Project

Mai Po Nature Reserve Infrastructure Upgrade Project

EP No.

Date and Time

Monitoring

Location

Parameter

Action & Limit

Levels

Measured Level

Reason for Non-

compliance

Action to be

Taken

Remarks

Prepared by _______________________ Signature _______________________

Designation _______________________ Date _______________________

SMEC is recognised for providing technical excellence

and consultancy expertise in urban, infrastructure and

management advisory. From concept to completion, our

core service offering covers the life-cycle of a project

and maximises value to our clients and communities.

We align global expertise with local knowledge and

state-of-the-art processes and systems to deliver

innovative solutions to a range of industry sectors.