Contents

Executive Summary. i

1     Introduction. 1

1.1      Project Background. 1

1.2      Project Organisation. 2

1.3      Construction Works Programme and Construction Works Area. 2

1.4      Summary of Environmental Status. 3

2     Air Quality Monitoring.. 4

2.1      Monitoring Requirement. 4

2.2      Monitoring Location. 4

2.3      Monitoring Parameter and Frequency and Duration. 4

2.4      Monitoring Equipment. 5

2.5      Monitoring Methodology and QA/QC Procedure. 5

2.6      Action and Limit Level for Air Quality Monitoring.. 6

2.7      Results and Observations. 6

2.8      Event and Action Plan. 7

3     Construction Noise Monitoring.. 8

3.1      Monitoring Requirements. 8

3.2      Monitoring Locations. 8

3.3      Noise Monitoring Parameter, Frequency and Duration. 9

3.4      Monitoring Equipment, Methodology and QA / QC Procedure. 9

3.5      Maintenance and Calibration. 10

3.6      Action and Limit Levels. 10

3.7      Results and Observations. 11

3.8      Event and Action Plan. 12

4     Water Quality. 13

4.1      Monitoring Requirement. 13

4.2      Result and Observations. 13

5     Waste Management. 14

6     Ecology. 16

6.2      Monitoring of Measures to Minimise Disturbance to Water Birds in Ng Tung River, Sheung Yue River, Shek Sheung River and Long Valley. 17

6.3      Monitoring of Measures to Minimise Impacts to Ma Tso Lung Stream and Siu Hang San Tsuen Stream, and Long Valley. 19

6.4      Monitoring of Measures to Minimise Impacts on Ecological Sensitive Habitats from Disturbance and Pollution. 19

6.5      Audit Requirements. 22

6.6      Event and Action Plan. 22

7     Landscape and Visual. 23

7.1      Audit Requirements. 23

7.2      Results and Observations. 23

7.3      Event and Action Plan. 23

8     Land Contamination (Ambient Arsenic Monitoring) 24

8.1      Monitoring Requirements. 24

8.2      Monitoring Locations. 24

8.3      Monitoring Equipment. 25

8.4      Monitoring Parameters, Frequency and Duration. 25

8.5      Monitoring Methodology and QA/QC Procedure. 26

8.6      Maintenance/Calibration. 27

8.7      Laboratory Measurement / Analysis. 27

8.8      Result and Observations. 28

8.9      Event and Action Plan. 28

9     Environmental Site Inspection and Audit. 29

9.1      Implementation Status of Environmental Mitigation Measures. 29

10       Summary of Monitoring Exceedance, Complaints, Notification of Summons and Prosecutions. 30

10.1       Summary of Exceedance. 30

10.2       Summary of Environmental Non-Compliance. 30

10.3       Summary of Environmental Complaint. 30

10.4       Summary of Environmental Summon and Successful Prosecution. 31

11       Future Key Issues. 32

11.1       Works and Potential Environmental Issues in the next Reporting Period  32

11.2       Recommendation. 32

12       Conclusions. 34

12.1       Conclusion. 34

12.2       Comments/ Recommendations. 34

 

 

Figures

Figure 1.1        Location and Site Layout Plan (KTN)

Figure 1.2        Location and Site Layout Plan (FLN)

Figure 2.1        Location of Air Quality Monitoring Stations for KTN NDA

Figure 3.1        Location of Noise Monitoring Stations for KTN NDA

Figure 6.1        Transect Routes for Monitoring of Measures to Minimize Impact on Ecological Sensitive Habitats from Disturbance and Pollution (T1, T4 and T6) and Monitoring of Measures to Minimize Impacts on Ecological Sensitive Habitats from Disturbance and Pollution (T3 and T5) – Waterbird Monitoring

Figure 6.2        Transect Routes for Monitoring of Measures to Minimize Impact on Ecological Sensitive Habitats from Disturbance and Pollution (T1, T3, T4, T5 and T6) and Monitoring of Measures to Minimize Impacts on Ecological Sensitive Habitats from Disturbance and Pollution (T1, T2, T3 and T5) – Non-Aquatic Monitoring

Figure 8.1        Location of Ambient Arsenic Monitoring Stations for KTN NDA

 

Appendices

Appendix 1.1    Construction Programme

Appendix 1.2    Project Organization Chart

Appendix 1.3    Implementation Status of Environmental Mitigation Measure

Appendix 2.1    Impact Monitoring Schedule during the reporting period

Appendix 2.2    Impact Air Quality Monitoring Data & Graphical Presentations & Calibration Certificates (sourced from the First Phase ET)

Appendix 2.3    Weather Information during the Reporting Period

Appendix 2.4    Event and Action Plan for Construction Dust

Appendix 3.1    Impact Noise Monitoring Data & Graphical Presentations & Calibration Certificates (sourced from the First Phase ET)

Appendix 3.2    Event and Action Plan for Construction Noise

Appendix 5.1    Summary of Monthly Waste Flow Table

Appendix 6.1    Detailed Results of the Ecological Monitoring during this reporting month (sourced from the First Phase ET)

Appendix 6.2    Event and Action Plan for Ecological Monitoring

Appendix 7.1    Event and Action Plan for Landscape and Visual

Appendix 8.1    Impact Ambient Arsenic Monitoring Data & Graphical Presentations & Calibration Certificates (sourced from the First Phase ET)

Appendix 8.2    Event and Action Plan for Ambient Arsenic Monitoring

Appendix 10.1  Statistical Summary of Environmental Complaints, Summons and Prosecution

Appendix 11.1  Impact Monitoring Schedule of Next Reporting Month

 

Executive Summary

Introduction

A1.    This is the 1st Monthly Environment Monitoring and Audit (EM&A) Report for Remaining Phase Development of Kwu Tung North and Fanling North New Development Areas (the Project). This report was prepared by Aurecon Hong Kong Limited (Aurecon) under Service Contract No. NDO 05/2024 Remaining Phase Development of Kwu Tung North and Fanling North New Development Areas - Environmental Team (hereinafter called the “Service Contract”).

A2.    Since only construction works were commenced under Works Contract No. ND/2024/01 on 20 January 2025, this report documents the findings of EM&A works at Works Contract No. ND/2024/01 under the Project during the reporting period from 20 to 31 January 2025 only. No construction works occurred in the remaining contracts during the reporting period for Works Contract No. ND/2024/02 – ND/2024/08.

A3.    This Project involves nine (9) Environmental Permits (EPs) (i.e. EP-465/2013/A, EP-466/2013/A, EP-467/2013/A, EP-468/2013/A, EP-470/2013/A, EP-471/2013/A, EP-472/2013/A, EP-473/2013/A and EP-476/2013). Details of each EPs are summarised in Table A1.

 

Table A1 Works Contracts under relevant Environmental Permits in the Reporting Month

Environmental Permit No.

Works Contracts

Title of Designated Project

Designated Project (DP)

EP-465/2013/A

ND/2024/03
ND/2024/04
ND/2024/05

NENT - San Tin Highway and Fanling Highway Kwu Tung Section Widening (Between San Tin Interchange and Po Shek Wu Interchange)

DP1

EP-466/2013/A

ND/2024/03
ND/2024/05

NENT - Castle Peak Road Diversion

DP2

EP-467/2013/A

ND/2024/01
ND/2024/03
ND/2024/05

NENT - Kwu Tung North New Development Area Road P1 and P2 and Associated New Kwu Tung Interchange and Pak Shek Au Interchange Improvement

DP3

EP-468/2013/A

ND/2024/01
ND/2024/02

Kwu Tung North New Development Area Road D1 to D5

DP4

EP-469/2013

-

Sewage Pumping Stations in Kwu Tung North New Development Area

DP5

EP-470/2013/A

ND/2024/06

Utilization of Treated Sewage Effluent (TSE) from Shek Wu Hui Sewage Treatment Works

DP7

EP-471/2013/A

ND/2024/04

Po Shek Wu Interchange Improvement

DP8

EP-472/2013/A

ND/2024/08

Fanling Bypass Western Section

DP9

EP-473/2013/A

-

Fanling Bypass Eastern Section

DP10

EP-474/2013

-

Shek Wu Hui Sewage Treatment Works - Further Expansion at Fanling North New Development Area

DP11

EP-476/2013

ND/2024/07

ND/2024/08

NENT - Sewage Pumping Stations in Fanling North New Development Area (FLNDA)

DP13

Key Construction Works in the Reporting Period

A4.    A summary of the commencement dates of each Works Contracts are presented in Table A2:

Table A2 Commencement Dates of Each Works Contracts

Works Contracts

Commencement Dates

ND/2024/01

20 January 2025

ND/2024/02

Not Commenced

ND/2024/03

Not Commenced

ND/2024/04

Not Commenced

ND/2024/05

Not Commenced

ND/2024/06

Not Commenced

ND/2024/07

Not Commenced

ND/2024/08

Not Commenced

 

A5.    A summary of construction activities undertaken during the reporting period is presented below:

 

Works Contract No. ND/2024/01:

·         Tree Survey;

·         Site Clearance; and

·         Ground Investigation Works.

 

Works Contract No. ND/2024/02 – ND/2024/08:

·         No Construction Work during reporting period.

Environmental Monitoring and Audit Programme

A6.    The environmental monitoring activities, including 1-hour Total Suspended Particulates (TSP) monitoring, 24-hour TSP monitoring, noise monitoring, ecological survey, 24-hour Respirable Suspended Particulates (RSP) (Ambient Arsenic) monitoring for land contamination and environmental site inspection, were undertaken by Environmental Team (ET) under Service Contract No. NDO 04/2019 (i.e. First Phase ET – Wellab) during the reporting period in accordance with the approved Updated EM&A Manual. A summary of the monitoring and audit activities during the reporting period is presented in Table A3.

Table A3 Summary of EM&A Activities in the Reporting Period

 

 

Works Contract(s)(5)

EM&A Activities

Monitoring Station(s)

ND/2024/01

ND/2024/02

ND/2024/03

ND/2024/04

ND/2024/05

ND/2024/06

ND/2024/07

ND/2024/08

1-hour TSP Monitoring(1)

KTN-DMS1(2)

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

KTN-DMS2(2)

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

KTN-DMS3(2)

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

KTN-DMS4(B)(2)(3)

20, 24, 28 Jan 2025(4)

N/A

N/A

N/A

N/A

N/A

N/A

N/A

FLN-DMS1(2)

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

FLN-DMS2(2)

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

FLN-DMS3(2)

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

FLN-DMS4(2)

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

FLN-DMS5(2)

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

FLN-DMS6(A)(2)(3)

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

FLN-DMS7(2)

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

24-hour TSP Monitoring(1)

KTN-DMS1(2)

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

KTN-DMS2(2)

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

KTN-DMS3(2)

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

KTN-DMS4(B)(2)(3)

20, 24, 28 Jan 2025(4)

N/A

N/A

N/A

N/A

N/A

N/A

N/A

FLN-DMS2(2)

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

FLN-DMS3(2)

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

FLN-DMS4(2)

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

FLN-DMS5(A)(2)(3)

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

FLN-DMS6(A)(2)(3)

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

FLN-DMS7(2)

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

Noise Monitoring(1)

CP-KTN-NMS1(2)(8)

N/A(1)

N/A

N/A

N/A

N/A

N/A

N/A

N/A

CP-KTN-NMS2(2)

20, 28 Jan 2025(4)

N/A

N/A

N/A

N/A

N/A

N/A

N/A

CP-KTN-NMS3(2)

20, 28 Jan 2025(4)

N/A

N/A

N/A

N/A

N/A

N/A

N/A

CP-KTN-NMS4(2)

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

CP-KTN-NMS5(2)

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

CP-KTN-NMS6(2)

20, 28 Jan 2025(4)

N/A

N/A

N/A

N/A

N/A

N/A

N/A

CP-KTN-NMS7(2)(7)

N/A(1)(7)

N/A

N/A

N/A

N/A

N/A

N/A

N/A

CP-FLN-NMS1(2)

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

CP-FLN-NMS3(2)

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

CP-FLN-NMS4(A)(2)(3)

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

CP-FLN-NMS5(2)

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

CP-FLN-NMS6(2)

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

Ecological Survey(6)

Monitoring of Measures to Minimise Disturbance to Water Birds on Ng Tung River, Sheung Yue River, and Long Valley

Weekly monitoring: 20, 21, 27, 28 Jan 2025(4)

Additional nighttime monitoring at Long Valley: 21 Jan 2025(4)

N/A

N/A

N/A

N/A

N/A

N/A

N/A

Monitoring of Measures to Minimise Impacts to Ma Tso Lung Stream and Siu Hang San Tsuen Stream

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

Monitoring of Measures to Minimise Impacts on Ecological Sensitive Habitats from Disturbance and Pollution

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

24-hour RSP (Ambient Arsenic) Monitoring for Land Contamination (1)

KTN-DMS-4A(2)(3)

20, 24, 28 Jan 2025(4)

N/A

N/A

N/A

N/A

N/A

N/A

N/A

Water Quality Monitoring(1)

KTN-IS1

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

KTN-CS1

N/A

N/A

N/A

N/A

N/A

N/A

N/A

N/A

Environmental Site Inspection

Site Area under Works Contract No. ND/2024/01

21, 27 Jan 2025(4)

N/A

N/A

N/A

N/A

N/A

N/A

N/A

Remarks:

(1)       For 1-hour and 24-hour TSP & 24-hour RSP (Ambient Arsenic) monitoring, monitoring stations that are specifically within the 500m buffer area projected from the site boundary of works contract(s) will be considered being the representative monitoring stations for the corresponding works contract(s) as the rationale for determination of contract involvement in terms of environmental monitoring and the associated impact monitoring exercises will be kicked off once the nearest work contracts have been commenced and undertaken during the reporting period/month.

 

For Noise Monitoring, monitoring stations that are specifically within the 300m buffer area projected from the site boundary of works contract(s) will be considered being the representative monitoring stations for the corresponding works contract(s) as the rationale for determination of contract involvement in terms of environmental monitoring and the associated impact monitoring exercises will be kicked off once the nearest works contracts have been commenced and undertaken during the reporting period/month.

 

For Water Quality Monitoring, monitoring stations at which inland waters runs into the major water systems, including their tributaries, passing through the site boundary of works contract(s) involving construction of channelisation works, potentially causing water quality impacts as a result of water bodies contamination, will be considered being the representative monitoring stations for the corresponding works contract(s) involving construction of channelisation works as the rationale for determination of contract involvement in terms of environmental monitoring.

 

(2)       New monitoring station IDs are presented. The corresponding monitoring station IDs are as follows:

1-hr and 24-hr TSP & 24-hr RSP (Ambient Arsenic)

KTN-DMS1 = DMS1
KTN-DMS2 = DMS2
KTN-DMS3 = DMS3
KTN-DMS4(A)/4(B) = DMS4
FLN-DMS1 = DMS7
FLN-DMS2 = DMS9
FLN-DMS3 = DMS11
FLN-DMS4 = DMS6
FLN-DMS5/5(A) = DMS8
FLN-DMS6(A) = DMS10
FLN-DMS7 = DMS5

Noise

CP-KTN-NMS1 = CP-NMS1
CP-KTN-NMS2 = CP-NMS2
CP-KTN-NMS3 = CP-NMS3
CP-KTN-NMS4 = CP-NMS5
CP-KTN-NMS5 = CP-NMS7
CP-KTN-NMS6 =    N/A

CP-KTN-NMS7 = CP-NMS4
CP-FLN-NMS1 = CP-NMS10
CP-FLN-NMS3 = CP-NMS12
CP-FLN-NMS4(A) = CP-NMS6
CP-FLN-NMS5 = CP-NMS8
CP-FLN-NMS6 = CP-NMS9

 

(3)       Alternative monitoring stations to the corresponding original monitoring stations.

(4)       The monitoring date For January 2025 was conducted by the ET from the First Phase of KTN/FLN NDAs Project.

(5)       N/A – No relevant monitoring is required according to the approved updated EM&A Manual.

(6)       Ecological monitoring and additional nighttime ecological monitoring at Long Valley were conducted the ET from the First Phase of KTN/FLN NDAs Project. No ecological monitoring was conducted for the Monitoring of Measures to Minimize Impacts to Ma Tso Lung Stream and Siu Hang San Tsuen Stream for this reporting period as this monitoring is only conducted during wet season. The monitoring of measures to minimize impacts on ecologically sensitive habitats from disturbance and pollution was not conducted due to the short period between the commencement date of construction works for Works Contract No. ND/2024/01 and the end of the reporting month. This interval was insufficient to coordinate and execute the ecological monitoring in the transects relevant to Works Contract No. ND/2024/01. This situation is only specific to this reporting month. Regular monitoring will resume in February 2025

(7)       For CP-KTN-NMS7 has not been commenced and monitored as the interval was insufficient to coordinate and execute the noise monitoring under the Works Contract No. ND/2024/01 during the reporting month. Therefore, no noise monitoring at CP-KTN-NMS7 was carried out in the reporting period and would be resume in February 2025.

(8)       As confirmed by the Supervisor Team, the works area within Portion 51 was not acquired from relevant stakeholder(s)* during the reporting period January 2025. Such that no noise monitoring at CP-KTN-NMS1 adjacent to Portion 51 was carried out in the reporting period. *Relevant stakeholders refer to parties owning the works areas to be acquired by works contract(s) (e.g. landlords, premises owners, relevant authorities, etc.)

Breaches of Action Levels (AL) and Limit Levels (LL)

A7.    Summary of the environmental exceedances of the reporting period is tabulated in Table A4.

Table A4 Summary of Exceedances in the Reporting Period

Environmental Monitoring

Parameter(s)

No. of Exceedances

Total No. of Exceedances

No. of Non-project Related Exceedances

Total No. of Non-project Related Exceedances

No. of Exceedances

Related to

the Project

Total No. of Exceedances

Related to

the Project

AL

LL

 

AL

LL

 

AL

LL

 

Air Quality

1-hour TSP

0

0

0

0

0

0

0

0

0

24-hourTSP

0

0

0

0

0

0

0

0

0

24-hour RSP

(Ambient Arsenic)

0

0

0

0

0

0

0

0

0

Noise

Leq(30mins)

0

0

0

0

0

0

0

0

0

Ecological Monitoring

Avifauna(1)

0

0

0

0

0

0

0

0

0

Non-aquatic fauna

0

0

0

0

0

0

0

0

0

Remark:

(1)       The AL or LL exceedance in ecological monitoring during this reporting month cannot be directly compared to the baseline levels for the corresponding month because the monitoring frequency was shorter, only covering two weeks due to the actual commencement date for Works Contract ND/2024/01.

 

Air Quality

A8.    No AL or LL exceedance was recorded for air quality monitoring in the reporting period.

Noise

A9.    No AL or LL exceedance was recorded for construction noise monitoring in the reporting period.

Ambient Arsenic

A10.  No AL or LL exceedance was recorded for ambient arsenic monitoring in the reporting period.

Ecological Monitoring

A11.  The  AL or LL exceedance under monitoring of measures to minimise disturbance to waterbirds on Ng Tung River, Sheung Yue River, and Long Valley during this reporting month cannot be directly compared to the baseline levels for the corresponding month because the monitoring frequency was shorter, only covering two weeks due to the actual commencement date for Works Contract ND/2024/01.

A12.  No AL or LL exceedance will be reported under monitoring of measures to minimise impacts to Ma Tso Lung Stream and Siu Hang San Tsuen Stream as no monitoring activities were conducted during the reporting period – monitoring for this requirement is conducted only during wet season.

A13.  No AL or LL exceedance will be reported under monitoring of measures to minimize impacts on ecologically sensitive habitats from disturbance and pollution as additional surveys were not conducted due to the short period between the commencement date of construction works for Works Contract No. ND/2024/01 and the end of the reporting month. This situation is only specific to this reporting month. Regular monitoring will resume in February 2025.

Complaint Log

A14.  No environmental complaint was received in the reporting period.

Notification of Summons and Successful Prosecutions

A15.  No notification of summons or successful prosecutions was received in the reporting period.

Reporting Changes

A16.  This is the 1st Monthly EM&A Report, no changes for the report.

Future Key Issues

A17.  The major site activities for the next reporting period are summarized below:

 

Contract No. ND/2024/01:

·         Tree Survey;

·         Site Clearance;

·         Haul Road, Demolition and Tree Felling;

·         Ground Investigation Works;

·         Excavation, Mixing with General fill & backfilling; and

·         Construction Retaining Wall & backfilling.

1           Introduction

1.1      Project Background

1.1.1      The KTN/FLN NDAs development are implemented in two phases, comprising First Phase and Remaining Phase developments.  The construction works for the First Phase development commenced in December 2019. The construction works for the Remaining Phase development (the Project), including site clearance and formation, roads, drainage, sewerage and water supply systems, commenced progressively from the January 2025.

1.1.2      The Project is delivered under eight (8) Works Contracts as below. 

·       Contract No. ND/2024/01: Site Formation and Infrastructure Works (South); 

·       Contract No. ND/2024/02: Site Formation and Infrastructure Works (North); 

·       Contract No. ND/2024/03: Improvement Works of Fanling Highway (Kwu Tung Portion) and Associated Works; 

·       Contract No. ND/2024/04: Improvement Works of Tai Tau Leng Roundabout and Po Shek Wu Road and Associated Works; 

·       Contract No. ND/2024/05: Improvement Works of Fanling Highway (Pak Shek Au Portion) and Associated Works; 

·       Contract No. ND/2024/06: Fresh Water and Flushing Water Service Reservoirs and Associated Works; 

·       Contract No. ND/2024/07: Site Formation and Infrastructure Works (East); and  

·       Contract No. ND/2024/08: Site Formation and Infrastructure Works (West). 

1.1.3      The EIA Report (AEIAR-175/2013) for NENT NDA was approved with conditions under EIAO in 2013. The Environmental Permits for corresponding Designated Projects were also issued by DEP in November 2013. Subsequent to the findings of preliminary design and P&E Review for accommodating additional population in KTN and FLN NDAs, VEP were subsequently applied for nine EPs under the Project (i.e. EP-465/2013/A, EP-466/2013/A, EP-467/2013/A, EP-468/2013/A, EP-470/2013/A, EP-471/2013/A, EP-472/2013/A, EP-473/2013/A and EP-476/2013). 

 

1.1.4      Aurecon was commissioned by Civil Engineering and Development Department (CEDD) to provide EM&A services for the works contracts in relation to the Project pursuant to the requirements as specified in relevant EPs, the EM&A Manual issued in the EIA stage, the Updated EM&A Manual prepared for Contract No. NDO 14/2018 and the approved EIA Report for the Project to discharge the duties of the ET for the Project. 

1.1.5      This is the 1st Monthly EM&A Report summarizing the findings of EM&A works at Contract No. ND/2024/01 under the Project with EP-467/2013/A and EP-468/2013/A during the reporting period from 20 to 31 January 2025 and no construction works occur in the remaining contracts during the reporting period for Contract No. ND/2024/02 – ND/2024/08.

1.2      Project Organisation

1.2.1      Parties with different levels of involvement in the Project organisation for Works Contract ND/2024/01 are summarized in Table 1.1.

Table 1.1 Parties Involved in Project Organisation for Works Contract No. ND/2024/01

Parties

Organization / Company

Project Proponent

CEDD

Supervisor / Engineer’s Representative (ER)

AECOM Asia Co. Ltd.

Contractor

Build King  – Richwell Engineering Joint Venture (BKJV)

ET

Aurecon Hong Kong Limited

Independent Environmental Checker (IEC)

Mott MacDonald Hong Kong Limited

1.2.2      The key personnel contact names and numbers are summarized in Appendix 1.2.

1.3      Construction Works Programme and Construction Works Area

1.3.1      The construction phase EM&A programme commenced on 20 January 2025. The construction works programme, and the construction works area of the Project are shown in Appendix 1.1 and Figure 1.1 respectively

 

Contract No. ND/2024/01:

·       Tree Survey;

·       Site Clearance;

·       Ground Investigation Works.

1.4      Summary of Environmental Status

1.4.1      A summary of the relevant permits, licences, and/or notifications on environmental protection for the work contracts that are involved in this reporting period is presented in Table 1.2.

Table 1.2 Status of Environmental License, Notifications and Permits for Works Contract No. ND/2024/01

Permit / License Name/No.

Valid Period

Status

From

To

Environmental Permit

EP-467/2013/A

27/01/2017

N/A

Valid

EP-468/2013/A

27/01/2017

N/A

Valid

Notification pursuant to Air Pollution Control (Construction Dust) Regulation

S10008709

02/09/2024

N/A

Valid

Billing Account for Disposal of Construction Waste

7052236

20/09/2024

N/A

Valid

Registration of Chemical Waste Producer

WPN: 5213-548-B2781-01

06/12/2024

N/A

Valid

Effluent Discharge License under Water Pollution Control Ordinance

WT00045924-2024

15/01/2025

31/01/2030

Valid

Construction Noise Permit (CNP)

 

 

 

GW-RN0060-25

20/01/2025

19/07/2025

Valid

 

 

2           Air Quality Monitoring

2.1      Monitoring Requirement

2.1.1      In accordance with the approved Updated EM&A Manual, the ET shall carry out impact monitoring during the construction phase of the Project. 1-hour and 24-hour TSP to monitor the air quality for the Works Contacts.

2.1.2      Impact 1-hour TSP monitoring was conducted for at least three times every 6 days, while the impact 24-hour TSP monitoring was conducted for at least once every 6 days at the designated air quality monitoring stations.

2.2      Monitoring Location

2.2.1      According to the approved Updated EM&A Manual, the designated locations for impact air quality monitoring in related to the work contracts in the reporting period are listed in Table 2.1 and their locations are shown in Figure 2.1.

Table 2.1 Summary of Impact Air Quality Monitoring Stations in related to the Works Contracts in the Reporting Period

Monitoring Station(s)

Works Contract(s)

ASR ID in EIA

Planned(3) or Existing

Monitoring Location(s)

KTN-DMS1

ND/2024/01

KTN-19

Planned

Nursery Classes and Kindergarten; Post Offices

KTN-DMS2

ND/2024/01

KTN-90

Planned

Nursery Classes and Kindergarten (2 nos); District Elderly Community Centre

KTN-DMS3

ND/2024/01

KTN-326

Planned

Village Resite

KTN-DMS4(B)(1)(2)

ND/2024/01

KTN-E-162

Existing

Temporary Structure at Pak Shek Au

Remarks:

(1)    KTN-DMS4(B) is the alternative air monitoring stations proposed to replace KTN-DMS4.

(2)    As KTN-DMS4 - Temporary structure near Fanling Highway (near Pak Shek Au) is no longer as existing ASR, air quality monitoring station should be relocated to the alternative dust monitoring location according to the updated EM&A Manual, Section 2.6.2. According to Figure 3.1 of Approved EIA report and site visits conducted in June 2022, ASR at near KTN-E70 – Temporary Structure near Fanling Highway near Pak Shek Au is considered as the most representative alternative station KTN-DMS4(B) for air quality monitoring for KTN-DMS4 (i.e. KTNE162).

(3)    Impact monitoring will be carried out when the planned sensitive receivers are commissioned.

 

2.3      Monitoring Parameter and Frequency and Duration

2.3.1      In accordance with the requirements for placement of equipment, as set out of the Updated EM&A Manual of the Project, the monitoring parameter, frequency and duration of impact air quality monitoring are listed in Table 2.2.

Table 2.2 Parameters Measured in the Impact Air Quality Monitoring

Parameter(s)

Frequency(1)

1-hour TSP

Three times / 6 days

24-hour TSP

Once / 6 days

Remark:

(1)    The air quality monitoring (1-hour and 24-hour TSP) was conducted by First Phase ET during the reporting period.

2.4      Monitoring Equipment

2.4.1      Direct reading dust meters were used for measuring the impact air quality monitoring (i.e. 1-hour TSP and 24-hour TSP) during the reporting period in accordance with the Service Contract No. NDO 04/2019 Monthly EM&A Report.  According to Section 2.4.5 of the Updated EM&A Manual, the proposed use of direct reading dust meter was submitted to and agreed by the First Phase IEC.

2.4.2      Table 2.3 summarizes the equipment used in the air quality monitoring programme. Copies of the calibration certificates for air quality monitoring equipment are shown in Appendix 2.2.

Table 2.3 Air Quality Monitoring Equipment

Monitoring

Station(s)

Manufacturer

Model

Equipment

Quantity

KTN-DMS4(B)(1)

Met One Instruments

AEROCET-831

Dust Monitor

(1-hour and 24-hour TSP)

2

    Remark:

(1)    The air quality monitoring (1-hour and 24-hour TSP) was conducted by First Phase ET during the reporting period.

2.5      Monitoring Methodology and QA/QC Procedure

Instrumentation

2.5.1      Direct reading dust meter was deployed for the air quality monitoring as shown in Table 2.3.

2.5.2      The measuring procedures of the dust meters were in accordance with the Manufacturer’s Instruction Manual as follows:

•       Place the dust meter at least 1.3 meters above ground;

•       Press and hold the Power key momentarily to power on the unit and make sure that the battery level was not flash or in low level;

•       Allow the instrument to stand for about 3 second to display the Sample Screen minutes;

•       Press the START / STOP key to run the internal vacuum pump for 1 minute and be ready to use;

•       Use the select dial to select the PM range and press the START / STOP key to start a measurement;

•       Finally, push the START/STOP key to stop the measurement after 24-hour sampling;

•       Information such as sampling date, time, value and site condition were recorded during the monitoring period; and

•       All data were recorded in the data logger for further data processing.

 

Maintenance/Calibration

2.5.3      The following maintenance/calibration was required for the direct dust meters:

•       Check and calibrate the meters by High Volume Sampler (HVS) to check the validity and accuracy of the results measured by direct reading method at 2-month intervals throughout all stages of the air quality monitoring.

2.6      Action and Limit Level for Air Quality Monitoring

2.6.1         The baseline monitoring results formed the basis for determining the air quality criteria for the impact monitoring. The ET shall compare the impact monitoring results with air quality criteria set up for 1-hour TSP and 24-hour TSP. Based on the baseline dust monitoring data and the derivation criteria specified above, the Action/Limit Levels for 1-hour TSP and 24-hour TSP are presented in Table 2.4 and Table 2.5 respectively.

Table 2.4 Action and Limit Levels for 1-hour TSP Air Quality Monitoring

Monitoring Station

AL (μg/m3)

LL (μg/m3)

KTN-DMS4(B)

297

500

 

Table 2.5 Action and Limit Levels for 24-hour of TSP Air Quality Monitoring

Monitoring Station

AL (μg/m3)

LL (μg/m3)

KTN-DMS4(B)

192

260

 

2.7      Results and Observations

2.7.1      All air quality monitoring was conducted as scheduled in the reporting period. The air quality monitoring schedule during the reporting period is shown in the Appendix 2.1.

2.7.2      The 1-hour and 24-hour TSP air quality monitoring result in the reporting period are summarized in Table 2.6 and 2.7.  No Action or Limit levels exceedance was recorded in the reporting period.  Details of the results and graphical presentation are shown in Appendix 2.2.

2.7.3      The weather information during the reporting period is presented in Appendix 2.3.

Table 2.6 Summary Table of 1-hour TSP Monitoring Result during the Reporting Month

Monitoring

Station

Averaged Measured Value (μg/m3)

Minimum Measured Value (μg/m3)

Maximum Measured Value (μg/m3)

Action Level (μg/m3)

Limit Level, (μg/m3)

KTN-DMS4(B)(1)

82

58

115

297

500

Remark:

(1)     The air quality monitoring (1-hour and 24-hour TSP) was conducted by First Phase ET during the reporting period.

 

Table 2.7 Summary Table of 24-hour TSP Monitoring Result during the Reporting Month

Monitoring

Station

Averaged Measured Value (μg/m3)

Minimum Measured Value (μg/m3)

Maximum Measured Value (μg/m3)

Action Level (μg/m3)

Limit Level, (μg/m3)

KTN-DMS4(B)(1)

73

69

79

192

260

Remark:

(1)     The air quality monitoring (1-hour and 24-hour TSP) was conducted by First Phase ET during the reporting period.

2.7.4      According to the observation record from Monthly EM&A Report (January 2025) prepared under Service Contract No. NDO 04/2019, the major dust source KTN-DMS4(B) included excavator, crane, roller, sheet piling, dump truck, concrete mixer truck etc.

2.8      Event and Action Plan

2.8.1      Should any non-compliance of the criteria occur, action in accordance with the Event and Action Plan in Appendix 2.4 shall be followed. Investigation of the exceedances of environmental quality performance limits should be conducted, and the ET will 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 action taken, with any necessary follow-up proposals.

 

 

3           Construction Noise Monitoring

3.1      Monitoring Requirements

3.1.1      In accordance with the approved Updated EM&A Manual, the ET shall carry out impact monitoring during the construction phase of the Project in terms of the A-weighted equivalent continuous sound pressure level (Leq) to monitor the construction noise arising from the construction activities. The regular monitoring frequency for each monitoring station was on a weekly basis and one set of measurements between 0700 and 1900 hours on normal weekdays shall be conducted.

3.2      Monitoring Locations

3.2.1      According to the approved Updated EM&A Manual, the monitoring designated locations for construction noise monitoring in related to the works contracts in the reporting period are listed in Table 3.1 and shown in Figure 3.1.

Table 3.1 Construction Noise Monitoring Stations near in related to the Works Contracts in the Reporting period

Monitoring Station(s)

Works Contract(s)

NSR

EIA ID(s)

Location(s)

Planned

Or

Existing(2)

Type of Measurement

CP-KTN-NMS1(3)

ND/2024/01

CP-NMS1

Residential Building at Ma Tso Lung

Existing

Free-Field(1)

CP-KTN-NMS2

ND/2024/01

CP-NMS2

Residential Building at Ma Tso Lung

Existing

CP-KTN-NMS3

ND/2024/01

CP-NMS3

Fung Kong Garden

Existing

CP-KTN-NMS4

ND/2024/01

CP-NMS5

Primary School

Planned

CP-KTN-NMS6

ND/2024/01

N/A

Ho Sheung Heung, Hau Ku ShekAncestral Hall, Hung Shing Temple & Pai Fung Temple and Sin Wai Nunnery

Existing

Façade

CP-KTN-NMS7(3)

ND/2024/01

CP-NMS4

Oi Lok Home

Existing

Free-Field(1)

Remarks:

(1)     For Free Field measurement, +3 dB(A) should be added to the measured results.

(2)     Impact monitoring will be carried out when the planned sensitive receivers are commissioned.

(3)     CP-KTN-NMS1 and CP-KTN-NMS7 were not monitored during this reporting period, please refer to explanation in Remarks from Table A3. Thus, N/A (Not Applicable).

3.2.2      As confirmed with ER, the planned school at CP-KTN-NMS4 is not constructed yet.  Thus, the impact noise monitoring will be carried out at monitoring station CP-KTN-NMS4 after the construction and occupation of the planned school.  No noise monitoring of the mentioned station was carried out in this reporting period.

 

3.3      Noise Monitoring Parameter, Frequency and Duration

3.3.1      Construction noise level was measured by the ET and measured in terms of the A-weighted equivalent continuous sound pressure level (Leq).  Leq(30mins) used as the monitoring parameter for the construction noise monitoring.

3.3.2      As supplementary information for data auditing, statistical results such as L10 and L90 were also obtained for reference.

3.3.3      Table 3.2 summarizes the monitoring parameters, duration, and frequency of construction noise monitoring.

Table 3.2 Construction Noise Monitoring Parameter, Frequency and Duration

Monitoring Station

Parameter

Frequency and Duration

CP-KTN-NMS1, CP-KTN-NMS2(1), CP-KTN-NMS3(1), CP-KTN-NMS6(1), CP-KTN-NMS7

Leq(30mins), L10 and

L90  (as six consecutive Leq,5min readings)

Once every week throughout the construction phase

Remark:

(1)     The noise monitoring was conducted by First Phase ET during the reporting period.

3.4      Monitoring Equipment, Methodology and QA / QC Procedure

3.4.1      As referred to the technical memorandum issued under the Noise Control Ordinance (NCO), sound level meters in compliance with the International Electrotechnical Commission Publications 651: 1979 (Type 1) and 804: 1985 (Type 1) specifications were used for carrying out the construction noise monitoring.

3.4.2      Noise measurements were not made in fog, rain, wind with a steady speed exceeding 5 m/s or wind with gusts exceeding 10 m/s. The wind speed was checked with a portable wind speed meter capable of measuring the wind speed in m/s.

3.4.3      Sufficient numbers of noise measuring equipment and associated instrumentation were prepared by the ET. All the equipment and associated instrumentation were clearly labelled.

3.4.4      The monitoring procedures are as follows:

•       For façade measurement, the monitoring station was set at a point 1 m from the exterior of the sensitive receivers building façade and set at a position 1.2 m above the ground. For free-field measurement, the monitoring station was set at a position 1.2 m above the ground.

•       The battery condition was checked to ensure good functioning of the meter.

•       Parameters such as frequency weighting, the time weighting and the interval were set as follows:

-       Frequency weighting: A

-       Time weighting: Fast

-       Interval: 30 minutes (Leq(30mins))

•       Prior to and after each noise measurement, the meter was calibrated using an acoustic calibrator for 94.0 dB at 1000 Hz.  If the difference in the calibration level before and after measurement is more than 1.0 dB, the measurement was considered invalid and repeat of noise measurement will be required after re-calibration or repair other equipment.

•       At the end of the monitoring period, the values of Leq, L10 and L90 were recorded.  In addition, noise sources were recorded on a standard record sheet.

3.4.5      Table 3.3 summarizes the noise monitoring equipment used during the reporting period. Copies of the calibration certificates for noise monitoring are shown in Appendix 3.1

Table 3.3 Construction Noise Monitoring Equipment

Equipment(1)

Manufacturer

Model

No. of Equipment

Serial No.

Sound Level Meter

BSWA

BSWA 308

2

WN.01.03

WN.01.04

Acoustic Calibrator

SVANTEK

SV30A

1

N.09.03

Remark:

(1)     The noise monitoring was conducted by First Phase ET during the reporting period.

3.5      Maintenance and Calibration

3.5.1      Maintenance and calibration procedures are as follows:

•       The microphone head of the sound level meter and calibrator were regularly cleaned with a soft cloth;

•       The sound level meter and acoustic calibrator were calibrated annually; and

•       The accuracy of the sound level meter was checked using an acoustic calibrator generating a known sound pressure level at a known frequency immediately prior to and following each noise measurement. Measurements were accepted as valid only if the calibration level from before and after the noise measurement agree to within 1.0 dB.

3.6      Action and Limit Levels

3.6.1      The Action and Limit levels were established in accordance with the Updated EM&A Manual. Table 3.4 presents the Action and Limit Levels for construction noise. Should non-compliance of the criteria occur, action in accordance with the Event and Action Plan presented in Appendix 3.2 shall be carried out.

Table 3.4 Action and Limit Levels for Construction Noise Monitoring

Time Period

Action

Limit Level

07:00 – 19:00 on normal weekdays

When one or more documented complaints are received

75 dB(A)

3.7      Results and Observations

3.7.1      Noise monitoring was conducted as scheduled in the reporting month. The noise monitoring schedule during the reporting period is shown in the Appendix 2.1.

3.7.2      No Action or Limit levels exceedance was recorded in the reporting period.  Details of the results and graphical presentation are shown in Appendix 3.1. The construction noise monitoring results are summarized in Table 3.5.

Table 3.5 Summary of Construction Noise Monitoring Results during the Reporting Month

Date

Noise Level, Leq(30min), dB(A)

Baseline Level, dB(A)

Limit Level, dB(A)

CP-KTN-NMS1(4)

N/A

N/A

N/A

75

CP-KTN-NMS2(1)(2)

 

 

 

20/01/2025

55.3

58.6

75

28/01/2025

49.2

58.6

CP-KTN-NMS3(1)(2)

20/01/2025

51.3

51.6

75

28/01/2025

46.4

51.6

CP-KTN-NMS6(2)

20/01/2025

57.3

55.1

75

28/01/2025

62.9

55.1

CP-KTN-NMS7(3)

 

 

 

N/A

N/A

N/A(5)

75

Remark:

(1)     For Free Field measurement, +3 dB(A) was added to the measured results.

(2)     The noise monitoring was conducted by First Phase ET during the reporting period.

(3)     For CP-KTN-NMS7 has not been commenced and monitored as the interval was insufficient to coordinate and execute the noise monitoring under the Works Contract No. ND/2024/01 during the reporting month. Therefore, no noise monitoring at CP-KTN-NMS7 was carried out in the reporting period and would be resume in February 2025. Thus, N/A (Not Applicable).

(4)     As confirmed by the Supervisor Team, the works area within Portion 51 was not acquired from relevant stakeholder(s)* during the reporting period January 2025. Such that no noise monitoring at CP-KTN-NMS1 adjacent to Portion 51 was carried out in the reporting period. *Relevant stakeholders refer to parties owning the works areas to be acquired by works contract(s) (e.g. landlords, premises owners, relevant authorities, etc.)

(5)     The baseline level is under establishment.

3.7.3      The major noise sources observed during impact noise monitoring are summarized in Table 3.6.

Table 3.6 Summary of Observations at Noise Monitoring Stations

Works Contracts

Monitoring Stations

Location

Major Noise Sources

ND/2024/01

CP-KTN-NMS2

Residential Building at Ma Tso Lung

Road Traffic Noise, Excavator

CP-KTN-NMS3

Fung Kong Garden

Road Traffic Noise

CP-KTN-NMS6

Ho Sheung Heung, Hau Ku ShekAncestral Hall, Hung Shing Temple & Pai Fung Temple and Sin Wai Nunnery

Road Traffic Noise, Excavator, Breaker

 

3.7.4      No complaint on construction noise was received during the reporting month, therefore No Action/Limit Level exceedance was recorded.

3.8      Event and Action Plan

3.8.1      Should non-compliance of the noise monitoring criteria occur, actions in accordance with the Event and Action Plan in Appendix 3.4 shall be carried out.

 

4           Water Quality

4.1      Monitoring Requirement

4.1.1      In accordance with the approved Updated EM&A Manual and EM&A Manual for impact water quality monitoring shall be carried out three days per week at all the designated monitoring stations in during the construction of channel. The measurement periods are specified in Table 4.1. The interval between two sets of monitoring shall not be less than 36 hours.

Table 4.1 Summary of Water Quality Monitoring Locations

New Monitoring Station(s)

Original Monitoring Station ID(s)

Description

Location(s)

Measurement

Period

KTN NDA

KTN-CS1

CS1

Control Station for KTN NDA

Centreline of river, upstream of the channel

During construction of channel

KTN-IS1

IS1

Impact Station for KTN NDA

Centreline of river, downstream of the channel

During construction of channel

FLN NDA

FLN-CS1

CS2

Control Station for FLN NDA

Centreline of river, upstream of the channel

During construction of channel

FLN-IS1

IS2

Impact Station for FLN NDA

Centreline of river, downstream of the channel

During construction of channel

4.2      Result and Observations

4.2.1      No construction of natural stream between KTN-CS1, KTN-IS1, FLN-CS1 and FLN-IS1 were undertaken during the reporting period. Therefore, no water quality monitoring was carried out.

 

 

5           Waste Management

5.1.1      Waste generated from the Project include inert construction and demolition (C&D) materials and non-inert C&D wastes in the reporting period. The summarized amount of waste generated by the construction works in related to the works contracts in the reporting period is shown in Table 5.1 respectively. The cumulative waste flow table of the Project was presented in in Appendix 5.1.  

5.1.2      Sorting of construction and demolition (C&D) materials was carried out on site.  Sufficient numbers of receptacles were provided for general refuse collection and sorting.  Excavated inert C&D materials were reused to minimize the disposal of C&D waste to public fill.

5.1.3      The Contractor is advised to minimize the wastes generated through recycling or reusing.  All applicable mitigation measures stipulated in the Updated EM&A Manual and waste management plans will be fully implemented.

Table 5.1     Summary of Waste Generated by the Construction Works in related to the Works Contracts in the Reporting Period

Works Contract(s)

Month

Total Quantity Generated

Actual Quantalities of Inert C&D Materials Generated Monthly

Actual Quantities of C&D Wastes Generated Monthly

Hard Rock and Lage Broken Concrete

Reused in the Contract

Reused in other Projects

Disposed as Public Fill

Imported Fill

Metals

Paper / Carboard Packing

Plastics

Chemical Waste

Others e.g., general refuse

(in ‘000m3)

(in ‘000m3)

(in ‘000m3)

(in ‘000m3)

(in ‘000m3)

(in ‘000m3)

(in ‘000kg)

(in ‘000kg)

(in ‘000kg)

(in ‘000kg)

(in ‘000m3)

ND/2024/01

January 2025

0.00

0.00

0.00

0.00

0.00

164.970

0.001

0.366

0.002

0.00

11.189

 

 

6           Ecology

6.1.1      This section was derived from the ecological monitoring conducted during the construction phase by the First Phase ET under Service Contract No. NDO 04/2019 Environmental Team for Environmental Monitoring and Audit Works in Construction Phase for the First Phase Development of Kwu Tung North and Fanling North New Development Areas. This approach was undertaken to prevent redundancy in survey efforts.

6.1.2      For this reporting month, only transects that are relevant to the works of Works Contract ND/2024/01 and monitoring activities that were conducted after the commencement of Works Contract ND/2024/01 were included in this report. The details of the relevant monitoring activities are discussed in the succeeding sections. Table 6.1 summarizes the relevant transects to each contract under the remaining phase. The locations of these contracts relative to the monitoring locations are shown in Figure 6.1 and Figure 6.2.

Table 6.1 Summary of Monitoring Activities, Relevant Contracts, and Corresponding Transects

Monitoring Activity

Relevant Works Contract(s)

Relevant Transect(s)/Monitoring Station(s)

Monitoring of Measures to

Minimise Disturbance to

Water Birds on Ng Tung, Sheung Yue, and Shek Sheung Rivers and Long Valley

ND/2024/01

T1 Ng Tung River

T2 Ng Tung River

T3 Sheung Yue River

T5 Long Valley

Monitoring of Measures to Minimise Impacts to Ma Tso Lung Stream and Siu Hang San Tsuen Stream, and Long Valley

ND/2024/01

MS_01, MS_02, MS_03, MS_04, MS_05, MS_06, MS_07, MS_08, MS_09, MS_10 (Monitoring locations at Ma Tso Lung stream)

Monitoring of Measures to Minimise Impacts on Ecological Sensitive Habitats from Disturbance and Pollution

ND/2024/01

T1. Ma Tso Lung riparian zone and associated wetland habitats

 

6.2      Monitoring of Measures to Minimise Disturbance to Water Birds in Ng Tung River, Sheung Yue River, Shek Sheung River and Long Valley

 

Monitoring Requirements

6.2.1      As stipulated in Section 12.3.2.5 of the Updated EM&A Manual, if development under the NDAs project occurs within 200m of Sheung Yue River, Ng Tung River, Shek Sheung River and Long Valley, weekly transect monitoring at high and low tides (above/below 1.5m at Tsim Bei Tsui Station) should be conducted. The monitoring aims to identify and count bird species in the river channels and Long Valley Nature Park (LVNP) and detect any disturbances from construction activities, following the methodology in Table 12.1 of the Updated EM&A Manual. Monitoring in Long Valley should follow the HKBWS bird monitoring programme's methodology for comparable and comprehensive results.

 

Monitoring Methodology

6.2.2      Birds identified by their calls but not visually located were recorded as "heard," while those observed flying over the survey area were noted as "flight." Species of conservation importance were also specified. Additional information at the time of the survey, such as weather conditions, tidal conditions, tide levels, and noticeable natural or anthropogenic activities, were documented. For the avifauna survey, ornithological nomenclature referenced The Avifauna of Hong Kong (Carey et al., 2001), The Birds of Hong Kong and South China (Viney et al., 2005), and the most recent updated lists from other sources (e.g., Hong Kong Bird Watching Society).

 

Monitoring Parameters

6.2.3      The monitoring parameters are as follows:

•       Abundance of birds;

•       Types of habitats utilized by birds; and

•       Notable bird behaviours such as roosting, feeding, nesting and presence of juveniles.

 

Monitoring Location

6.2.4      During this reporting month, the First Phase ET conducted avifauna monitoring at Ng Tung River, Sheung Yue River, and Long Valley. Specifically, the transect routes relevant for Works Contract ND/2024/01 as shown in Table 6.1 are as follows:

•       T1. Ng Tung River

•       T2. Ng Tung River

•       T3. Sheung Yue River; and

•       T5. Long Valley.

6.2.5      As the sensitive receivers are large waterbirds and are easily visible, the transect routes only needed to follow one riverbank.

6.2.6      The transect routes for monitoring of measures to minimise disturbance to waterbirds in monitoring at Ng Tung River, Sheung Yue River, and Long Valley are shown in Figure 6.1.

 

Monitoring Frequency

6.2.7      Avifauna monitoring at high and low tides should be conducted weekly. Additionally, nighttime monitoring in Long Valley should be conducted twice a month from September to April.

6.2.8      For this reporting month, the relevant avifauna monitoring periods for Works Contract ND/2024/01 were as follows:

•       Weekly monitoring: 20, 21, 27 and 28 January 2025; and

•       Additional nighttime monitoring in Long Valley: 21 January 2025.

 

Monitoring Results

6.2.9      This reporting month, a total of 58 avifauna species were recorded, including 24 species of waterbirds. Among the transects, Transect T5 exhibited the highest species diversity (58 species) and abundance (2323 individuals), which could be attributed to the diverse habitat types within Long Valley. Waterbirds such as the Chinese Pond Heron (28 individuals) and Little Egret (125 individuals) were frequently observed roosting and foraging in wetland habitats in Long Valley, commonly in agricultural lands and shallow water areas. Also, at Transect T5, species of conservation importance, such as the passage migrant Black-winged Stilt, were commonly observed in shallow water habitats, along with few individuals of the Greater Painted-Snipe, a species of Local Concern.

6.2.10    Transect T3 was conducted along the Sheung Yue River, recording 18 species with a total abundance of 245 individuals. Large waterbirds such as the Great Egret (70 individuals), Grey Heron (15 individuals), and Little Egret (74 individuals) were commonly observed foraging and roosting along its riverbank and on its riverbed.  The passage migrant Black-winged Stilt was also commonly observed in this transect. Construction activities were also noted along the Sheung Yue River.

6.2.11    Transects T1 and T2 were conducted along Ng Tung River. In Transect T1, 12 species were recorded with a total abundance of 90 individuals. Large waterbirds observed in Transect 1 were Great Cormorants (10 individuals), Great Egret (16 individuals), Grey Heron (9 individuals), and Little Egret (33 individuals). In Transect T2, 17 species were recorded with a total abundance of 244 individuals. Large waterbirds recorded in this transect were Great Egret (14 individuals), Grey Heron (6 individuals), and Little Egret (115 individuals). In both transects, large waterbirds were commonly observed foraging and roosting. This reporting month the Oriental Stork, a species listed as “Endangered” in The International Union for Conservation of Nature (IUCN) Red List of Threatened Species, was observed at transect T2.

The relevant detailed results of the avifauna monitoring conducted during this reporting month for Works Contract ND/2024/01 are attached in Appendix 6.1a to Appendix 6.1g.

6.2.12    The monitoring results for this month under monitoring of measures to minimise disturbance to waterbirds in Ng Tung River, Sheung Yue River, Shek Sheung River, and Long Valley cannot be directly compared to the baseline levels for the corresponding month because the monitoring frequency was shorter, only covering two weeks due to the actual commencement date of Works Contract ND/2024/01. Therefore, it is not possible to determine any AL or LL exceedance in avifauna monitoring for this reporting month.

6.3      Monitoring of Measures to Minimise Impacts to Ma Tso Lung Stream and Siu Hang San Tsuen Stream, and Long Valley

6.3.1      As stipulated in Section 12.3.2.14 of the Updated EM&A Manual, aquatic fauna monitoring should be conducted monthly during the wet season of the construction phase. Therefore, no aquatic fauna monitoring was carried out during the reporting month. Monitoring activities will be resumed in April 2025.

6.4      Monitoring of Measures to Minimise Impacts on Ecological Sensitive Habitats from Disturbance and Pollution

 

Monitoring Requirements

6.4.1      As stipulated in Section 12.3.2.17 of the Updated EM&A Manual, measures to minimize impacts should be monitored during the construction phase. The purpose of these surveys is to assess the effectiveness of measures aimed at reducing disturbances and pollution in ecologically sensitive habitats through standard fauna transect surveys.

 

Monitoring Methodology

 

Terrestrial Mammal

6.4.2      Mammal surveys were conducted both during the day and at night along transect routes that may be potentially utilized by terrestrial mammals. Observations included field signs such as droppings, footprints, diggings, and burrows left by larger terrestrial mammals. Any mammals directly observed were recorded, and identification was as accurate as possible based on the field signs.

6.4.3      Bat surveys were conducted along the transect routes shortly after sunset using a bat detector to record echolocation calls. The relative abundance of the species encountered were estimated with reference to the baseline monitoring results, using a scale from one (species recorded within transect routes) to three (dominant species within transect routes), for comparison between baseline and current monitoring results. Mammal nomenclature followed Shek (2006).

6.4.4      Echolocation calls of bats were recorded using a bat detector, which listed possible bat species with similar call patterns and frequencies. The structure of the recorded echolocation calls was later analysed to identify species as accurately as possible. Due to the lack of literature on echolocation call structures, field identification of some bat species in Hong Kong is challenging, and some species could only be identified to the genus level or remain unidentified from the recordings.

6.4.5      Identification of bat species encountered in the surveys was made by considering the possible species suggested by the bat detector, their distribution in Hong Kong, previous records in the EIA Report and Baseline Monitoring Report, and the structure of the echolocation calls (including call structure, frequency, duration, and inter-pulse interval) with reference to relevant literature.

 

Herpetofauna (Amphibians and Reptiles)

6.4.6      Both daytime and nighttime amphibian surveys were conducted whenever possible following or during periods of rainfall, focusing on areas suitable for amphibians (e.g., forests, shrublands, grasslands, streams, ponds, marshes, etc.). Calling amphibians were recorded, supplemented by visual observations of eggs, tadpoles, adult frogs, and toads.

6.4.7      Active searches of appropriate microhabitats, such as stones, pond bunds, crevices, and leaf debris, was primarily conducted. Observations of exposed, basking, and foraging reptiles were also carried out. Nomenclature for amphibians and reptiles followed Chan et al. (2005) and Karsen et al. (1998), respectively.

 

Butterfly and Odonates

6.4.8      Butterflies and dragonflies observed along the transects were identified and counted. Special attention was given to their preferred habitats, such as watercourses, fishponds, and vegetated areas. Nomenclature and protection status of the species followed Lo et al. (2005) for butterflies and Tam et al. (2011) for dragonflies.

 

Monitoring Parameters

6.4.9      The monitoring parameters are as follows:

•       Species composition;

•       Abundance;

•       Distribution for fauna observed; and

•       Species of conservation importance would be specified.

 

Monitoring Frequency

6.4.10    Monthly monitoring should be conducted for ecologically sensitive receivers, including mammals, insects (butterflies and dragonflies), and herpetofauna.

 

Monitoring Location

6.4.11    According to the Updated EM&A Manual, the transect routes for monitoring of ecologically sensitive receivers should follow the following:

•       T1. Ma Tso Lung riparian zone and associated wetland habitats;

•       T1. Green belt areas E1-8, D1-8 and G1-3 in KTN NDA;

•       T1. AGR one C2-4 and C2-2 in KTN NDA;

•       T1. Area north of Ng Tung River;

•       T3. Area west of Siu Hang San Tsuen Stream;

•       T4. South side of Fanling Highway and Castle Peak Road in the vicinity of Pak Shek Au;

•       T5. Area west and east of the southern limit of the FLN NDA work area; and

•       T6. Areas in the western part of KTN.

6.4.12    The above transects are shown in Figure 6.1 and Figure 6.2. Relevant transect route to Works Contract ND/2024/01 is Transect T1 which covers areas of Ma Tso Lung riparian zone and its associated wetland habitats, green belt areas, and agricultural areas in KTN NDA.

 

Monitoring Results

6.4.13    For this reporting month, monitoring of ecologically sensitive receivers was conducted by the First Phase ET on 10 and 13 January 2025. Since these monitoring dates were conducted prior to the commencement of Works Contract ND/2024/01, the results during these monitoring dates are not included in this reporting month. No additional surveys were conducted due to the short period between the commencement date of construction works for Works Contract No. ND/2024/01 and the end of the reporting month. This interval was insufficient to coordinate and execute the ecological monitoring in the transects relevant to Works Contract No. ND/2024/01. This situation is only specific to this reporting month. Regular monitoring will resume in February 2025.

6.5      Audit Requirements

6.5.1      Weekly site inspections by the ET from the First Phase of KTN/FLN NDAs Project for ecological mitigation measures are conducted as part of the overall weekly environmental site inspections. No specific observations were recorded during this reporting month.

6.6      Event and Action Plan

6.6.1         Should non-compliance of the ecological monitoring criteria occur, actions in accordance with the Event and Action Plan in Appendix 6.2 shall be carried out.

 

7           Landscape and Visual

7.1      Audit Requirements

7.1.1      According to the approved Updated EM&A Manual, site audits should be undertaken at least once every two weeks during the construction period, by a Registered Landscape Architect (RLA). Particularly, to check that the proposed landscape and visual mitigation measures are properly implemented and maintained as per their intended objectives. Mitigation measures recommended in the EIA Report as the audit requirements including, preservation of existing vegetation, transplanting of affected trees, compensatory tree planting, control of night-time lighting glare, erection of decorative screen hoarding and management of construction activities and facilities.

7.2      Results and Observations

7.2.1      Bi-weekly landscape and visual site audits were carried out by a Registered Landscape Architect (RLA) on 27 January 2025.  No particular observation was recorded in this reporting period.

7.3      Event and Action Plan

7.3.1      Should any non-compliance of the criteria occur, action in accordance with the Event and Action Plan in Appendix 7.1 shall be followed.


 

8           Land Contamination (Ambient Arsenic Monitoring)

8.1      Monitoring Requirements

8.1.1      According to the approved Updated EM&A Manual, an ambient arsenic monitoring is required to be conducted in KTN during the clean-up processes of arsenic containing soil and the construction phase.

8.1.2      The RSP concentration was measured by HVS equipped with PM10 selector (PM10 HVS) following the "Reference Method for the Determination of Particulate Matter as PM10 in the Atmosphere" Part 50 Chapter 1 Appendix J, Title 40 of the Code of Federal Regulations of the USEPA.

8.1.3      The Dust-laden air was drawn through PM10 HVS fitted with a conditioned pre-weighting filter paper, at a controlled rate. After sampling for 24-hour, the filter paper with retained PM10 particulates was collected and returned to the laboratory for drying in a desiccators followed by accurate weighting. 24-hour average RSP levels were calculated from the ratio of the mass of PM10 particulates retained on the filter paper to the total volume of air sampled.

8.1.4      The weighted filter paper was prepared for arsenic testing through a "Hot Acid Extraction Procedure". The extracted material was tested for arsenic by using Inductively Coupled Plasma/Mass Spectrometry (ICP/MS). The extraction and testing was referenced to the following methods:

•       Compendium Method 1O-3.1 Selection, Preparation and Extraction of Filter Material, Center for Environmental Research Information, Office of Research and Development, USEPA, June 1999; and Compendium Method 1O-3.5 determination of Metals in Ambient Particulate Matter using Inductively Coupled Plasma/Mass Spectrometry (ICP/MS., Center for Environmental Research Information, Office of Research and Development, USEPA, June 1999.

8.2      Monitoring Locations

8.2.1      Ambient arsenic monitoring was conducted at the monitoring station(s) under the Work Contract(s), as shown in Table 8.1 describes the location of the ambient arsenic monitoring station. The location of the ambient arsenic monitoring station is presented in Figure 8.1.

Table 8.1 Location of Ambient Arsenic Monitoring station

Monitoring Station(s)

Location(s)

Works Contract(s)

KTN-DMS-4A(1)(2)

Temporary Structure at Pak Shek Au

ND/2024/01

Remarks:

(1)    Monitoring at the original location of KTN-DMS-4 (originally proposed in the approved EM&A Manual) was denied as there was no electricity supply. An alternative location (KTN-DMS-4A) was proposed by First Phase ET.

(2)    The ambient arsenic monitoring was conducted by First Phase ET during the reporting period.

8.3      Monitoring Equipment

8.3.1      Table 8.2 summarises the equipment used in the ambient arsenic monitoring. Copies of the calibration certificates for ambient arsenic monitoring are shown in Appendix 8.1

Table 8.2 Ambient Arsenic Monitoring Equipment

Monitoring

Station

Equipment

Manufacturer

Model

No. of Equipment

KTN-DMS-4A(1)(2)

Calibrator

TISCH

TE-5025A

1

HVS Sampler (RSP)

TISCH

TE-6070X

1

Remarks:

(1)    Monitoring at the original location of KTN-DMS-4 (originally proposed in the approved EM&A Manual) was denied as there was no electricity supply. An alternative location (KTN-DMS-4A) was proposed by First Phase ET.

(2)    The ambient arsenic monitoring was conducted by First Phase ET during the reporting period.

8.4      Monitoring Parameters, Frequency and Duration

8.4.1      Table 8.3 summarises the monitoring parameters and frequencies of ambient arsenic during the clean-up processes of arsenic-containing soil and construction.

Table 8.3 Impact Ambient Arsenic Monitoring Parameters, Frequency and Duration

Parameters

Frequency(1)

24-hr RSP (Ambient Arsenic)

Once/ 6 days

Remark:

(1)    The ambient arsenic monitoring was conducted by First Phase ET during the reporting period.

8.5      Monitoring Methodology and QA/QC Procedure

Instrumentation

8.5.1      HVS (GMW PM10 (TE6070X)) complete with appropriate sampling inlets was employed for 24-hour RSP monitoring. The sampler was composed of a motor, a filter holder, a flow controller and a sampling inlet and its performance specification complied with that required by USEPA Standard Title 40, Code of Federation Regulations Chapter 1 (Part 50).

8.5.2      The following guidelines were adopted during the installation of HVS:

•       a horizontal platform with appropriate support to secure the samplers against gusty wind was provided;

•       no two samplers was placed less than 2 meters apart;

•       the distance between the sampler and an obstacle, such as buildings, was at least twice the height that the obstacle protrudes above the sampler;

•       a minimum of 2 meters of separation from walls, parapets and penthouses was required for rooftop samplers;

•       a minimum of 2 meters separation from any supporting structure, measured horizontally was required;

•       no furnace or incinerator flue was nearby;

•       airflow around the sampler was unrestricted;

•       the sampler was more than 20 meters from the dripline;

•       any wire fence and gate, to protect the sampler, were not cause any obstruction during monitoring;

•       permission was obtained to set up the samplers and to obtain access to the monitoring stations; and

•       a secured supply of electricity was needed to operate the samplers

 

Operating/analytical procedures for the operation of HVS

•       Prior to the commencement of the dust sampling, the flow rate of the high volume sampler was properly set (between 1.1 m3 /min. and 1.4 m3 /min.) in accordance with the manufacturer's instruction to within the range recommended in USEPA Standard Title 40, CFR Part 50;

•       The power supply was checked to ensure the sampler worked properly. On sampling, the sampler was operated for 5 minutes to establish thermal equilibrium before placing any filter media at the designated air monitoring station;

•       The filter holding frame was then removed by loosening the four nuts and a weighted and conditioned filter was carefully centered with the stamped number upwards, on a supporting screen;

•       The filter was aligned on the screen so that the gasket formed an airtight seal on the outer edges of the filter. The filter holding frame was then tightened to the filter holder with swing bolts. The applied pressure was sufficient to avoid air leakage at the edges;

•       The shelter lid was closed and secured with the aluminum strip;

•       The timer was then programmed. Information was recorded on the record sheet, which included the starting time, the weather condition and the filter number (the initial weight of the filter paper can be found out by using the filter number);

•       After sampling, the filter was removed and sent to the Wellab Ltd. for weighing. The elapsed time was also recorded; and

•       Before weighing, all filters were equilibrated in a conditioning environment for 24 hours. The conditioning environment temperature was between 25°C and 30°C and did not vary by more than ±3°C; the relative humidity (RH) was < 50% and did not vary by more than ±5%. A convenient working RH was 40%. Weighing results were further analysis of RSP concentrations collected by each filter.

8.6      Maintenance/Calibration

8.6.1      The following maintenance/calibration was required for the HVS:

•       The high volume motors and their accessories were properly maintained. Appropriate maintenance such as routine motor brushes replacement and electrical wiring checking were made to ensure that the equipment and necessary power supply were in good working condition; and

•       High volume samplers were calibrated at bi-monthly intervals using TE-5025A Calibration Kit throughout all stages of the ambient arsenic monitoring.

8.7      Laboratory Measurement / Analysis

8.7.1      Quartz filters of size 8” x 10” were labelled before sampling. A HOKLAS accredited laboratory, Wellab Ltd., was responsible for the preparation of 24-hour conditioned and pre-weighed filter papers for the monitoring team. The balance for weighting filter paper was regularly calibrated against a traceable standard.

8.7.2      All filters, which were prepared and equilibrated in the conditioning environment for 24 hours before weighing. The conditioning environment temperature was around 25 °C and not variable by more than ±3 °C; the relative humidity (RH) was < 50% and not variable by more than ±5%. A convenient working RH was 40%.

8.7.3      Wellab Ltd. (HOKLAS Registration No. HOKLAS083), was responsible for the extraction and testing procedure for Arsenic and comprehensive quality assurance and quality control programmes were conducted.

8.8      Result and Observations

8.8.1      The ambient arsenic monitoring results are summarised in Table 8.4.

Table 8.4 Action and Limit Levels for 24-hour RSP Monitoring Results (Ambient Arsenic)

Monitoring

Date

Monitoring

Station

Concentration

(ƞg/m3)

AL

(ƞg/m3)

LL

(ƞg/m3)

20/01/2025

KTN-DMS4(A)*

4.25

9.36

11.7

24/01/2025

5.43

28/01/2025

3.84

Remark:

* The 24-hour RSP monitoring for ambient arsenic was conducted by First Phase ET during the reporting period.

8.8.2      All ambient arsenic monitoring was conducted as scheduled in the reporting month. No AL or LL exceedances were recorded.

8.9      Event and Action Plan

8.9.1      Should any non-compliance of the criteria occur, actions in accordance with the Event/Action Plan in Appendix 8.2 shall be carried out

 

 

9           Environmental Site Inspection and Audit

9.1      Implementation Status of Environmental Mitigation Measures

9.1.1      Site inspections were carried out on a weekly basis to monitor the implementation of proper environmental pollution control and mitigation measures under the Contract.  In the reporting period, site inspections at Works Contract No. ND/2024/01 were carried out on 21, and 27 January 2025.

9.1.2      No major environmental deficiency was observed during weekly site inspection in the report period, however, general reminders regarding environmental aspects were given to the Contractor. Key observations and reminders observed during the site inspections at Works Contract No. ND/2024/01 in the reporting period are summarized in Table 9.1.

Table 9.1 Site Observations at Works Contract No. ND/2024/01 during the Reporting Period

Date

Key Observations/ Reminders

Follow-up Action

21 January 2025

Reminder:

 

1.     The contractor was reminded to provide water spraying to the haul road at Portion XL on a regular basis.

 

2.     The contractor was reminded to cover stockpile of dusty rocks at Portion XL in order to avoid fugitive dust emission.

 

Nil

27 January 2025

Nil

Nil

9.1.3      According to the EIA Study Report, Environmental Permit, contract documents and Updated EM&A Manual, the mitigation measures detailed in the documents should be implemented as much as practical during the reporting period. An updated implementation status of environmental mitigation measures is provided in Appendix 1.3.

 

 

10      Summary of Monitoring Exceedance, Complaints, Notification of Summons and Prosecutions

10.1  Summary of Exceedance

10.1.1    No Action Level or Limit Level exceedance was recorded for air quality monitoring in the reporting period.

10.1.2    No Action Level or Limit Level exceedance was recorded for construction noise monitoring in the reporting period.

10.1.3    No Action Level or Limit Level exceedance was recorded for ambient arsenic monitoring in the reporting period.

10.1.4    The AL or LL exceedance under monitoring of measures to minimise disturbance to waterbirds on Ng Tung River, Sheung Yue River, and Long Valley during this reporting month cannot be directly compared to the baseline levels for the corresponding month because the monitoring frequency was shorter, only covering two weeks due to the actual commencement date for Works Contract ND/2024/01. 

10.1.5    No AL or LL exceedance will be reported under monitoring of measures to minimise impacts to Ma Tso Lung Stream and Siu Hang San Tsuen Stream as no monitoring activities were conducted during the reporting period – monitoring for this requirement is conducted only during wet season.

10.1.6     No AL or LL exceedance will be reported under monitoring of measures to minimize impacts on ecologically sensitive habitats from disturbance and pollution as additional surveys were not conducted due to the short period between the commencement date of construction works for Works Contract No. ND/2024/01 and the end of the reporting month. This situation is only specific to this reporting month. Regular monitoring will resume in February.

10.2  Summary of Environmental Non-Compliance

10.2.1    No environmental non-compliance was recorded in the reporting period.

10.3  Summary of Environmental Complaint

10.3.1    No environmental complaint was received in the reporting period. The summary of environmental complaint is presented in Appendix 10.1.

10.4  Summary of Environmental Summon and Successful Prosecution

10.4.1    There was no successful environmental prosecution or notification of summons received since the Project commencement. The summary of environmental summon and successful prosecution is presented in Appendix 10.1.

 

 

11      Future Key Issues

11.1  Works and Potential Environmental Issues in the next Reporting Period

11.1.1    The upcoming construction works programme, and the construction works area of the Project are presented in Appendix 1.1. Works to be undertaken in the next reporting period are summarized below:

 

Contract No. ND/2024/01

 

•       Tree Survey;

•       Site Clearance;

•       Haul Road, Demolition and Tree Felling;

•       Ground Investigation Works;

•       Excavation, Mixing with General fill & backfilling; and

•       Construction Retaining Wall & backfilling.

11.1.2    Potential environmental impacts arising from the above construction activities are mainly associated with construction noise impact, water quality impact, ecological impact, waste management, and landscape and visual.

11.2  Recommendation

11.2.1    The key environmental mitigation measures for the Project in the coming reporting period expected to be associated with the construction activities include:

Dust

 

•       Regular watering to reduce dust emissions from exposed site surface;

•       Stockpile of dusty materials shall be covered entirely by impervious sheeting;

•       Provide vehicles washing facilities at all site exits to wash away any dusty materials from vehicle body;

•       NRMM Labels should be displayed on the applicable equipment on site by the Contractor;

•       Provision of water sprinklers along the haul road for dust suppression.

 

Noise

 

•       Only well-maintained plant should be operated on-site, and plant should be maintained regularly during the construction programme; and

•       Quality Powered Mechanical Equipment (QPME) should be adopted as far as possible.

 

Water Quality

 

•       No effluent discharge would be allowed before acquired the effluent discharge license;

•       Surface run-off from construction sites should be discharged into dedicated discharge point via adequately designed sand/ silt removal facilities;

•       Channels/ earth bunds/ sandbags barriers should be provided on site to properly direct stormwater to silt removal facilities;

•       Silt removal facilities, channels and manholes should be maintained, and the deposited silt and grit should be removed regularly;

•       Open stockpiles of construction materials on sites should be covered with tarpaulin or similar fabric during rainstorms; and

•       Perimeter channels should be provided on site boundaries where necessary to intercept stormwater run-off from outside the site so that it will not wash across the site.

 

Waste Management

 

•       Provision of sufficient waste disposal points and regular collection of waste;

•       Regular cleaning and maintenance programme for drainage system; and

•       Chemical containers shall be stored with drip tray underneath.

 

Landscape and Visual

 

•       Construction activities shall be carefully designed to minimize impact on existing retained trees

 

Land Contamination

 

•       Stockpiling site(s) should be lined with impermeable sheeting and bunded. Stockpiles should be properly covered by impermeable sheeting to reduce dust emission during dry season or contaminated run-off during rainy season. Watering should be avoided on stockpiles of soil to minimise runoff.

 

Ecology

 

•       Properly erect and maintain 2m high solid barriers for protection.

11.2.2    The tentative impact monitoring schedule for the next reporting period is shown in the Appendix 11.1. The regular impact monitoring will be conducted at the same monitoring locations in the next reporting period.  

 

12      Conclusions

12.1  Conclusion

12.1.1    This is the 1st Monthly EM&A Report summarizing the findings of EM&A works at Works Contract No. ND/2024/01 under the Project with EP-467/2013/A and EP-468/2013/A during the reporting period from 20 to 31 January 2025 and no construction works occur in the remaining contracts during the reporting period for Contract No. ND/2024/02 – ND/2024/08.

12.1.2    No Action Level or Limit Level exceedance was recorded for air quality and construction noise monitoring in the reporting period.

12.1.3    All ambient arsenic monitoring was conducted as scheduled in the reporting period.  No Action or Limit Level exceedance was recorded during ambient arsenic monitoring in the reporting period.

12.1.4    The Action or Limit Level exceedance in ecological monitoring during this reporting month cannot be directly compared to the baseline levels for the corresponding month because the monitoring frequency was shorter, only covering two weeks due to the actual commencement date for Works Contract ND/2024/01.

12.1.5    Environmental site inspections were conducted at Works Contract No. ND/2024/01 on 21 and 27 January 2025.

12.1.6    No environmental complaint was received in the reporting period.

12.1.7    No notification of summons and prosecution was received in the reporting period.

12.1.8    The ET will keep track on the construction works to confirm compliance of environmental requirements and the proper implementation of all necessary mitigation measures.

12.1.9    No change to the EM&A programme was made in this reporting period.

12.2  Comments/ Recommendations

12.2.1    The proposed mitigation measures were properly implemented and were considered effective and efficient in pollution control.