Contents                                                

                        Abbreviations                                                                         

                        Executive Summary                                                              

1                      Introduction                                                                           

1.1                   Background                                                                            

1.2                   Scope of the EM&A Report                                               

1.3                   Organization Structure                                                   

1.4                   Summary of Construction Works                                

1.5                   Summary of EM&A Programme Requirements          

1.6                   Status of Statutory Environmental Compliance with the Environmental Permit                                                        

1.7                   Status of Other Statutory Environmental Requirements    

2                      EM&A Results for Tung Chung East                             

2.1                   Air Quality                                                                               

2.2                   Noise Monitoring                                                                   

2.3                   Water Quality Monitoring                                               

2.4                   Preserved/Transplanted Plant Species of Conservation Importance Monitoring                                                                               

2.5                   Soft Shore Ecological Monitoring                             

2.6                   EM&A Site Inspection                                                           

2.7                   Waste Management Status                                              

2.8                   Implementation Status of Environmental Mitigation Measures   

2.9                   Summary of Exceedances of the Environmental Quality Performance Limit                                                                                             

2.10                 Summary of Complaints, Notification of Summons and Successful Prosecutions                                                                          

3                      Future Key Issues                                                                 

3.1                   Construction Programme for the Coming Month

3.2                   Monitoring Schedule for the Coming Month          

4                      Conclusion and Recommendation                                

 

Annexes

Annex A       Project Organisation

Annex B       Environmental Mitigation Implementation Schedule

Annex C       Status of Submissions and Implementation Status of Mitigation Measures under EP

Annex D       Status of Statutory Environmental Requirements

Annex E       Air Quality
Annex E1     Calibration Certificates
Annex E2     Monitoring Schedule
Annex E3     Monitoring Results
Annex E4     Event and Action Plan

Annex F        Noise
Annex F1      Calibration Certificates
Annex F2      Monitoring Schedule
Annex F3      Monitoring Results
Annex F4      Event and Action Plan

Annex G       Water Quality
Annex G1     Calibration Certificates
Annex G2     Monitoring Schedule
Annex G3     Monitoring Results
Annex G4     Event and Action Plan

Annex H       Cumulative Statistics on Exceedances, Environmental Complaints, Notification of Summons and Status of Prosecutions

Annex I         Monitoring Schedule for the Next Reporting Period

 

 

Abbreviations

C&D

Construction and Demolition

CAP

Contamination Assessment Plan

CEDD

Civil Engineering and Development Department

CWD

Chinese White Dolphin

DCM

Deep Cement Mixing

DO

Dissolved Oxygen

EIA

Environmental Impact Assessment

EIAO

Environmental Impact Assessment Ordinance

EIS

Ecologically Important Stream

EM&A

Environmental Monitoring and Audit

EP

Environmental Permit

EPD

Environmental Protection Department

ER

Engineer's Representative

ERM

ERM-Hong Kong, Limited

ET

Environmental Team

HVS

High Volume Sampler

IEC

Independent Environmental Checker

PDA

Planned Development Area

PME

Powered Mechanical Equipment 

QPME

Quality Powered Mechanical Equipment 

RAP

Remediation Action Plan

RR

Remediation Report

RTTM

Real Time Tracking and Monitoring

SS

Suspended Solid

TCB

Tung Chung Bay

TCE

Tung Chung East

TCNTE

Tung Chung New Town Extension

TCW

Tung Chung West

The Project

Tung Chung New Town Extension (East)

THW

Tai Ho Wan

TSP

Total Suspended Particulate

Updated EM&A Manual

Updated Environmental Monitoring and Audit Manual for Tung Chung New Town Extension prepared by ERM under Agreement No. CE 60/2017 (EP) and deposited to EPD under Environmental Permit No. EP-519/2016

 


Executive Summary

Tung Chung New Town Extension (TCNTE) is one of the major initiatives under the Government's multi-pronged approach to increase land supply to meet Hong Kong's medium- to long-term needs for housing, economic and social developments.  The Environmental Impact Assessment (EIA) Report for TCNTE (Register No. AEIAR-196/2016) was approved on 8 April 2016 and the Environmental Permit (EP) No. EP-519/2016, covering the construction and operation of TCNTE, was granted on 9 August 2016. The EIA Report and EP cover both Tung Chung East (TCE) and Tung Chung West (TCW).  ERM-Hong Kong, Limited (ERM) is commissioned to undertake the role of Environmental Team (ET) for the construction and operation of TCE Project (the Project) in accordance with the requirements specified in the EP, Updated Environmental Monitoring and Audit (EM&A) Manual, EIA Report of the TCNTE project and other relevant statutory requirements. 

The construction of the Contract No. NL/2017/03 - Tung Chung New Town Extension Reclamation and Advance Works (Contract 1) at TCE commenced on 9 July 2018.

The construction of the Contract No. NL/2020/02 - Tung Chung New Town Extension Salt Water Supply System (Contract 2) at TCE commenced on 4 September 2021.

The construction of the Contract No. NL/2020/03 - Tung Chung New Town Extension Major Infrastructure Works in Tung Chung East (Contract 3) at TCE commenced on 5 November 2021.

The contract commencement date of Contract No. NL/2020/07 - Tung Chung New Town Extension Tai Ho Interchange (Contract 7) at TCE was 15 October 2021.

This is the Monthly EM&A report presenting the EM&A works carried out during the period from 1 to 28 February 2022 for the TCE Project in accordance with the Updated EM&A Manual. 

A summary of monitoring and audit activities conducted in the reporting period is listed below:

Air Quality Monitoring                               4 sessions

Noise Monitoring                                       4 sessions

Water Quality Monitoring                          11 sessions

Preserved Plant Species Monitoring        1 session

Transplanted Plant Species Monitoring    4 session

 

Environmental Site Inspection

-          Contract 1                                      2 sessions ([1])

-          Contract 2                                      4 sessions

-          Contract 3                                      4 sessions

-          Contract 7                                      3 sessions

Environmental Management Meeting

-          Contract 1                                      1 session

-          Contract 2                                      1 session

-          Contract 3                                      1 session

-          Contract 7                                      1 session 

Environmental auditing works, including weekly site inspections of construction works conducted by the ET, audit of works vessels, audit of implementation of Dolphin Watching Plan, Works Vessel Travel Route Plan, Silt Curtain Deployment Plan, Spill Response, Waste Management Plan and Detailed Preservation and/or Translocation of Plant Species of Conservation Importance were conducted in the reporting period.  Based on the audit results and the observation for the reporting period, environmental pollution control and mitigation measures for the Project were properly implemented.

Breaches of Action and Limit Levels for Air Quality

No exceedance of Action and Limit Levels was recorded for construction air quality monitoring in the reporting period.

Breaches of Action and Limit Levels for Noise

No exceedance of Limit Levels was recorded for construction noise monitoring in the reporting period.

Breaches of Action and Limit Levels for Water Quality

No exceedance of Action and Limit Levels was recorded for water quality impact monitoring in the reporting period.

Soft Shore Ecological Monitoring

No impact soft shore ecological monitoring at Tung Chung Bay and Tai Ho Wan was scheduled during the reporting period.

Environmental Complaints, Non-compliance & Summons

There were no environmental complaints, notification of summons or prosecution recorded in the reporting period.

Reporting Change

There was no reporting change in the reporting period.

Key Issues For The Coming Month

Potential environmental impacts arising from the upcoming construction activities in the next reporting period of March 2022 are mainly associated with dust emission, noise from barge and plant operation during normal working hours and restricted hours, elevation in SS due to sediment loss from laying of sand blanket and marine filling works, disturbance to Chinese White Dolphin (CWD) during marine works, handling and storage of C&D materials generated from construction activities, efficiency of wastewater and drainage management and tree protection.  The ET will keep track on the construction works to confirm compliance of environmental requirements and the proper implementation of all necessary mitigation measures.  The ET will also recommend to the Contractor about the environmental toolbox topics on the abovementioned key issues for the coming month.

 


1                             Introduction

1.1                         Background

Tung Chung New Town Extension (TCNTE) is one of the major initiatives under the Government's multi-pronged approach to increase land supply to meet Hong Kong's medium- to long-term needs for housing, economic and social developments. The Environmental Impact Assessment (EIA) Report for TCNTE (Register No. AEIAR-196/2016) was approved on 8 April 2016 and the Environmental Permit (EP) No. EP-519/2016, covering the construction and operation of TCNTE, was granted on 9 August 2016. The EIA Report and EP cover both Tung Chung East (TCE) and Tung Chung West (TCW).

ERM-Hong Kong, Limited (ERM) is commissioned to undertake the role of Environmental Team (ET) for the construction and operation of TCE Project (the Project) in accordance with the requirements specified in the EP, Updated Environmental Monitoring and Audit (EM&A) Manual ([2]), EIA Report of the TCNTE project ([3]) and other relevant statutory requirements.

The TCNTE comprises the following elements:

(a)     TCE Project

1.       Reclamation of the seabed by a non-dredged method at TCE to form a total of about 130 hectares of land;

2.       Construction of about 4.9 kilometers of seawalls, with an eco-shoreline, three drainage box culvert outfalls, three circulation drains and a seawater intake at TCE;

3.       Provision of infrastructure for Tung Chung Area 58, including construction of a single two-lane road with a footpath and the associated utility works;

4.       Construction of proposed open space;

5.       Construction of roads, footpaths, cycle tracks and the associated junction / road improvement works;

6.       Engineering infrastructure works covering drainage, sewerage, waterworks (including a fresh water service reservoir, a salt water service reservoir and a salt water pumping station), common utility tunnels and landscaping works; and

7.       Implementation of environmental mitigation measures and environmental monitoring and audit programme for the works.

(b)     TCW Project

1.       Site formation works at TCW;

2.       Construction of proposed open space;

3.       Construction of the River Park including a visitor centre at TCW; and

4.       Construction of sustainable urban drainage systems at TCW.

The locations of Contracts 1, 2, 3 and 7 are shown in Figure 1.1 to 1.4.  The construction and the reclamation related marine works of Contract 1 commenced on 9 and 13 July 2018, respectively.  The construction of Contracts 2 and 3 commenced on 4 September 2021 and 5 November 2021, respectively.  The contract commencement date of Contract 7 was 15 October 2021.

1.2                         Scope of the EM&A Report

This is the Monthly EM&A Report for the TCE Project which summarises the key findings of the EM&A programme during the reporting period from 1 to 28 February 2022 for the construction works.

1.3                         Organization Structure

The organization structure of the Project is shown in Annex A.  The key personnel contact names and contact details are summarized in Table 1.1 below.

Table 1.1        Contact Information of Key Personnel

Party

Position

Name

Telephone

Environmental Team (ET)

(ERM-Hong Kong, Limited)

ET Leader

Ray Yan

3894 9507

Deputy ET Leader

Kelvin So

3894 9504

 

 

 

 

Independent Environmental Checker (IEC)

(Binnies Hong Kong Limited)

IEC

Manuel Chua

3894 9501

Deputy IEC

 

Edward Lau

3894 9502

 

Contract No. NL/2017/03 - Tung Chung New Town Extension Reclamation and Advance Works (Contract 1)

Civil Engineering and Development Department

 

Senior Geotechnical Engineer

 

C H Yan

3894 9702

Marine Conservation Officer

 

Wo King Tai

3894 9707

Engineers Representative

(ER)

(AECOM Asia Company Limited)

 

Principal Resident Engineer

Chief Resident Engineer

Frankie Fan

 

Chris Cheung

3894 9603

 

3894 9604

Resident Engineer

Nelson Ling

3894 9647

Senior Inspector of Works

 

C K Liu

3894 9733

Contractor

(Build King SCT Joint Venture)

 

Site Agent

Keith Tse

3903 1503

Construction Team Leader

Dick Ip

9093 2409

Environmental Officer

Issac Wong

9850 0989

24-hour Complaint Hotline

-

9862 2910

 

 

 

 

Contract No. NL/2020/02 - Tung Chung New Town Extension Salt Water Supply System (Contract 2)

Civil Engineering and Development Department

 

Senior Engineer

Bryan H M Ho

2231 4435

Electrical & Mechanical Engineer

 

Samson K L Yip

2231 4460

Engineers Representative

(ER)

(AECOM Asia Company Limited)

 

Principal Resident Engineer

Senior Resident Engineer

Frankie Fan

 

Sunny Ng

3894 9603

 

3894 9605

Senior Resident Engineer

Vincent Leung

3894 9645

Resident Engineer

Terence Chan

3894 9683

Senior Inspector of Works

 

Wong Ting Yu

3894 9706

Contractor

(China Geo-Engineering Corporation)

 

Construction Manager

Ambrose Kwong

6198 7787

Site Agent

Timothy Lo

9661 2662

Construction Team Leader

Edward Mok

6498 4306

Environmental Officer

Dixon Lee

6100 1005

 

24-hour Complaint Hotline (a)

-

5484 9233

 

 

 

 

Contract No. NL/2020/03 - Tung Chung New Town Extension Major Infrastructure Works in Tung Chung East (Contract 3)

Civil Engineering and Development Department

 

Senior Engineer

Eddie W C Lam

2231 4445

Engineer

Timothy H M Chan

2231 4473

Engineer

S C Fung

2231 4461

 

 

 

Senior Engineer

Vincent S H Chow

2231 4426

Engineer

Colin K C Wong

2231 4417

Engineer

Wing Chen

3894 9704

 

 

 

 

Engineers Representative

(ER)

(AECOM Asia Company Limited)

 

Principal Resident Engineer

Senior Resident Engineer

Frankie Fan

 

Boris Lo

3894 9603

 

3894 9650

Resident Engineer

David Li

3894 9684

 

Resident Engineer

Carl Yu

3894 9671

 

Senior Inspector of Works

 

Douglas Ng

3894 9737

Contractor

(Build King Civil Engineering Limited)

 

Construction Manager

Cheung Siu Lun

2272 3680

Site Agent

Paul Lui

2272 3680

Deputy Site Agent

Aldous Lo

9225 0368

Construction Team Leader

Ken Yau

9197 2219

Environmental Officer

Allen Wong

6012 2643

 

24-hour Complaint Hotline (a)

-

9806 0726

 

 

 

 

Contract No. NL/2020/07 - Tung Chung New Town Extension Tai Ho Interchange (Contract 7)

Civil Engineering and Development Department

Senior Engineer

Phoebe Tang

2231 4423

Engineer

Matthew Ng

2231 4449

Engineer

Candy Lau

2231 4420

 

 

 

 

Engineers Representative

(ER)

(AECOM Asia Company Limited)

Principal Resident Engineer

 

Frankie Fan

 

3894 9603

Senior Resident Engineer

Kelvin Kwan

3894 9641

Senior Resident Engineer

Brian Li

3894 9556

Resident Engineer

Kingsley Ho

3894 9552

Resident Engineer

Carl Yu

3894 9671

Senior Inspector of Works

 

Douglas Ng

3894 9554

Contractor

(Build King Civil Engineering Limited)

Site Agent

Hon Yee

9090 3109

Deputy Site Agent

Vincent Kwan

9833 1313

Construction Team Leader

Vincent Lo

9883 9229

Environmental Officer

Nash Wong

9810 1946

24-hour Complaint Hotline (a)

-

5976 1853

 

 

 

 

Note:

(a) The 24-hour complaint hotline is subjected for approval.

1.4                         Summary of Construction Works

As informed by the Contractor, details of the major works carried out in this reporting period are listed below:


 

Table 1.2        Major Activities in the Reporting Period

Activities

Key Issues

Key Mitigation Measures

Contract No. NL/2017/03 - Tung Chung New Town Extension Reclamation and Advance Works (Contract 1)

Land-based Works

 

 

         Ground investigation works

         Land DCM works

         Jet grouting works

         Placing of sorted public fill

         Box culvert construction

         Installation of PVD

         Chain link fence erection and U-channel construction

         Dust emission

         Handling and storage of C&D materials generated from construction activities

         Noise from plant operation

         Emission of dark smoke from PMEs

         Efficiency of wastewater and drainage management

         Good site practices

         Regular water spraying on stockpiles, unpaved haul road and land filling area

         Provide tarpaulin sheets coverage on stockpiles

         Sorting and reuse of C&D materials as far as practicable

         Use of QPME and noise barrier/acoustic mat

         Regular maintenance of PMEs

         Implementation of wastewater and drainage management

Marine-based Works

 

 

         Laying of geotextile for seawall construction

         Marine-based instruments monitoring works

         Placing of sorted public fill

         Seawall construction

         Elevation in impact on Water Quality due to sediment loss from sand blanket laying and marine filling works

         Potential surface runoff

         Potential filling material drop from barges

         Disturbance to Chinese White Dolphin

         Noise from marine vessels and plant operation during normal working hours or restricted hours

         Dust emission during storage and transfer of sand/ sorted public fill

         Emission of dark smoke from marine vessel

 

 

         Provision of perimeter silt curtain

         Provision of a leading seawall of at least 200m before marine filling works

         Regular cleaning of accumulated sand/fill materials at the edge of the barges

         Implementation of Dolphin Watching for the marine-based works

         Strictly follow requirement under CNP for the use of PMEs and works within restricted period

         Use of acoustic mat and other noise mitigation measures when necessary

         Regular maintenance of engines and mechanical equipment

 


 

Contract No. NL/2020/02 - Tung Chung New Town Extension Salt Water Supply System (Contract 2)

Land-based Works

 

 

         Initial survey (land survey prior to the commencement of construction works)

         Sheet piling works for ELS at Portion 6

         Site formation at Portion 3

         Watermain laying works at Portion 3 along Yu Tung Road

         Sheet piling works for drainage works at Portion 5A

         Dust emission

         Handling and storage of C&D materials generated from construction activities

         Noise from plant operation

         Emission of dark smoke from PMEs

         Efficiency of wastewater and drainage management

         Tree protection

         Good site practices

         Regular water spraying on stockpiles, unpaved haul road and land filling area

         Provide tarpaulin sheets coverage on stockpiles

         Sorting and reuse of C&D materials as far as practicable

         Use of QPME and noise barrier/acoustic mat

         Regular maintenance of PMEs

         Implementation of wastewater and drainage management

         Retain and protect all existing trees and vegetation within the study area which are not directly affected by the works

 

Contract No. NL/2020/03 - Tung Chung New Town Extension Major Infrastructure Works in Tung Chung East (Contract 3)

Land-based Works

 

 

         Installation of sheetpile at Portion 104

         Installation of sheetpile at CUT no.1

         Construction of footing, temporary drainage system and site formation at WA6/WA9 and Portion 7 and construction of temporary transformer building

         Erection of PM office at WA9

         Drainage/ sewerage works at Portion 8

         Setting up of TTA for watermain and twin rising mains laying at Man Tung Road

         Dust emission

         Handling and storage of C&D materials generated from construction activities

         Noise from plant operation

         Emission of dark smoke from PMEs

         Efficiency of wastewater and drainage management

 

         Good site practices

         Regular water spraying on stockpiles, unpaved haul road and land filling area

         Provide tarpaulin sheets coverage on stockpiles

         Sorting and reuse of C&D materials as far as practicable

         Use of QPME and noise barrier/acoustic mat

         Regular maintenance of PMEs

         Implementation of wastewater and drainage management

 


 

Contract No. NL/2020/07 - Tung Chung New Town Extension Tai Ho Interchange (Contract 7)

Land-based Works

         Installation of chain link fence and access at WA4

         Inspection pit excavation at Portions 32 and 146-5

         Tree survey, tree risk assessment and condition survey

         Site clearance and tidiness

         Dust emission

         Handling and storage of C&D materials generated from construction activities

         Noise from plant operation

         Emission of dark smoke from PMEs

         Good site practices

         Regular water spraying on stockpiles, unpaved haul road and land filling area

         Provide tarpaulin sheets coverage on stockpiles

         Sorting and reuse of C&D materials as far as practicable

         Use of QPME and noise barrier/acoustic mat

         Regular maintenance of PMEs

The environmental mitigation implementation schedule is presented in Annex B.

1.5                         Summary of EM&A Programme Requirements

The status for all environmental aspects are presented in Table 1.3.  The EM&A requirements remained unchanged during the reporting period.

Table 1.3        Summary of Status for the Environmental Aspects under the Updated EM&A Manual

Parameters

Status

Air Quality

Baseline Monitoring

The results of baseline air quality monitoring for TCE were reported in Baseline Monitoring Report and submitted to EPD under EP Condition 3.4

 

Impact Monitoring

On-going for TCE, monitoring conducted three times every six days

 

 

Noise

Baseline Monitoring

The results of baseline noise monitoring for TCE were reported in Baseline Monitoring Report and submitted to EPD under EP Condition 3.4

 

Impact Monitoring

On-going for TCE, monitoring conducted once per week

 

Impact Monitoring for Road Traffic Noise during Operational Phase

 

To be conducted during operational phase

Fixed Noise Commissioning Test

To be implemented by the Contractor before operation of TCNTE

 

 

Water Quality

Baseline Monitoring

The results of baseline water quality monitoring for TCE were reported in Baseline Monitoring Report and submitted to EPD under EP Condition 3.4

 

Impact Monitoring

On-going for TCE, monitoring conducted three times per week

 

 

Waste Management

Waste Monitoring

On-going

 

 

Land Contamination

Contamination Assessment Plan (CAP), Remediation Action Plan (RAP) and Remediation Report (RR)

To be conducted under TCW. Refer to the EM&A Reports of TCW.

 

 

Ecology

Monitoring for Compensation Woodland

 

To be conducted when compensation woodland are planted

Monitoring for Emergent Plant inside the future River Park

 

To be conducted under TCW. Refer to the EM&A Reports of TCW.

Monitoring for Translocated Amphibians of Conservation Importance

 

To be conducted under TCW. Refer to the EM&A Reports of TCW.

Monitoring for Preserved/Transplanted Plant Species of Conservation Importance

 

On-going, for transplanted plant species, monitoring conducted once per week for the first three months; for preserved plant species, monitoring conducted once per month

Monitoring for Tung Chung Stream EIS and Wong Lung Hang EIS

 

To be conducted under TCW. Refer to the EM&A Reports of TCW.  Monitoring for Wong Lung Hang was not required and the proposal was accepted by EPD on 2 September 2021

 

 

Eco-shoreline Monitoring

To be conducted when eco-shoreline at TCE PDA and Road P1 is built

 

Tung Chung Bay and Tai Ho Wan Baseline Monitoring

The results of baseline soft shore ecological monitoring at Tung Chung Bay and Tai Ho Wan were reported in Baseline Monitoring Report and submitted to EPD under EP Condition 3.4

 

Tung Chung Bay and Tai Ho Wan Impact Monitoring

On-going for TCE, monitoring conducted quarterly

 

 

Landscape and Visual

 

Baseline Monitoring

The results of baseline landscape and visual monitoring were reported in Baseline Monitoring Report and submitted to EPD under EP Condition 3.4

 

 

Site Environmental Audit

Regular Site Inspection

 

On-going

Dolphin Watching Plan implementation measures

 

Under implementation by the Contractor of Contract 1

Works Vessel Travel Route Plan implementation measures

 

Under implementation by the Contractor of Contract 1

Silt Curtain Deployment Plan implementation measures

Under implementation by the Contractor of Contract 1

 

 

Spill Response Plan implementation measures

Under implementation by the Contractor of Contract 1

 

 

Waste Management Plan implementation measures

Under implementation by the Contractor of Contract 1

 

 

Complaint Hotline and Email Channel

 

Under implementation by the Contractor of Contract 1.

The 24-hour complaint hotline/email channel under Contracts 2, 3, and 7 are subjected for approval

 

 

Environmental Log Book

On-going

Taking into account the construction works, impact monitoring of air quality, noise, water quality and waste management were carried out in the reporting period.  The monitoring schedule of air quality, noise and water quality monitoring are provided in Annex E2, Annex F2 and Annex G2, respectively.

The EM&A programme also involved environmental site inspections and related auditing conducted by the ET for checking the implementation of the required environmental mitigation measures recommended in the approved EIA Report and relevant EP submissions, including Dolphin Watching Plan, Works Vessel Travel Route Plan, Silt Curtain Deployment Plan, Spill Response Plan and Waste Management Plan.  

To promote the environmental awareness and enhance the environmental performance of the contractors, environmental trainings and regular environmental management meetings were conducted during the reporting period, which are summarized as below:

Ÿ   Four (4) environmental management committee meetings were held with the Contractors of Contract 1 and 7 and ER, ET, IEC and CEDD on 17 and 8 February 2022, respectively, and Contractors of Contract 2 and 3 on 16 February 2022;

Ÿ   Environmental toolbox trainings on site hygiene, wastewater handling, wastewater discharge and treatment facilities, Construction Noise Permit and restricted hours on 4, 11 and 25 February 2022 were conducted for Contract 1;

Ÿ   Environmental toolbox training on loading, unloading and transfer of material on 10 February 2022 was conducted for Contract 2;

Ÿ   Environmental toolbox trainings on construction dust and suppression, wastewater handling, discharge and treatment facilities, waste collection, handling and disposal, handling and storage of chemical, maintenance of site access, boundary and haul roads, protection and preservation of trees, air pollution mitigation measures during excavation on 7, 10, 14, 17, 21, 24 and 28 February 2022 were conducted for Contract 3;

Ÿ   Environmental toolbox trainings on proper disposal of general refuse, proper recycling of C&D material, proper sorting of chemical waste on 8, 15 and 22 February 2022 were conducted for Contract 7.

1.6                         Status of Statutory Environmental Compliance with the Environmental Permit

The status of statutory environmental compliance with the EP conditions under the EIAO, submission status under the EP and implementation status of mitigation measures are presented in Annex C.  

1.7                         Status of Other Statutory Environmental Requirements

The environmental licenses and permits, including environmental permit, waste discharge license, registration as chemical waste producer and construction noise permit, which were valid in the reporting period are presented in Annex D.  No non-compliance with environmental statutory requirements was recorded.  

2                             EM&A Results for Tung Chung East

The EM&A programme for the Project required environmental monitoring for air quality, noise, water quality and marine ecology as well as environmental site inspections for air quality, noise, water quality, waste management, marine ecology and landscape and visual impacts.  The EM&A requirements and related findings for each component are summarized in the following sections.

2.1                         Air Quality

2.1.1                     Monitoring Requirements and Equipment

According to the Updated EM&A Manual of the Project, impact air quality monitoring in terms of 1-hour Total Suspended Particulate (TSP) was conducted three (3) times every six (6) days when the highest dust impact was expected.  The Action and Limit Levels of the air quality monitoring is provided in Table 2.1 below.

Table 2.1        Action and Limit Levels for 1-hour TSP

Location

Action Level, g/m3

Limit Level, g/m3

Monitoring station for Tung Chung East

279

500

Portable direct reading dust meters were used to measure 1-hour TSP levels in undertaking the air quality monitoring for the Project.  The proposed use of portable direct reading dust meters was submitted to IEC and obtained agreement from the IEC as stated in Section 5.5 of the Updated EM&A Manual.  With the use of direct reading dust meter, it can allow prompt and direct results for the EM&A reporting and the implementation of the event and action plan.  The portable direct reading dust meter would be calibrated every year against High Volume Sampler (HVS) to check the validity and      accuracy of the results measured by direct reading method.

The monitoring location and equipment used in the impact air quality monitoring programme are summarized in Table 2.2 and illustrated in Figure 2.1.  Copies of the calibration certificates for the equipment are presented in Annex E1, which showed that the portable direct reading dust meter is capable of providing comparable results with that provided by a HVS.

 

 

Table 2.2        Air Quality Monitoring Details

Monitoring Station

Location

Parameter

Frequency and Duration

Monitoring Dates

Equipment

DM-1

Tung Chung Area 56 Ying Tung Estate

1-hour TSP

Three times per six days during the construction period of the Project

5, 11, 17 and 23 February 2022

1-hour TSP Dust Meter

SIBATA LD-3B (S/N: 276017)

Remark:

It should be noted that impact monitoring at other construction dust monitoring locations at TCE as stated in the Updated EM&A Manual will commence after the flat intake (for Monitoring Stations DM-2, DM-3 and DM-4).

2.1.2                     Monitoring Schedule for the Reporting Month

The schedule for air quality monitoring during the reporting period is provided in Annex E2.

2.1.3                     Results and Observations

The monitoring results for 1-hour TSP are summarized in Table 2.3.  The monitoring data and the graphical presentation are provided in Annex E3.

Table 2.3        Summary of 1-hour TSP Monitoring Results in the Reporting Period

Monitoring Station

Average (g/m3)

Range (g/m3)

Action Level  (g/m3)

Limit Level  (g/m3)

DM-1

42

23-55

279

500

Major dust sources in the reporting period included haul road traffic, unloading of sand/fill material and filling works under the Project. 

No exceedance of Action and Limit Levels was recorded for construction air quality monitoring in the reporting period.  No action was thus required to be undertaken in accordance with the Event and Action Plan presented in Annex E4.

2.2                         Noise Monitoring

2.2.1                     Monitoring Requirements and Equipment

According to the Updated EM&A Manual of the Project, impact noise monitoring was conducted once per week during the construction phase of the Project.  The Action and Limit Level for construction noise of the Project is provided in Table 2.4 below. 

Table 2.4        Action and Limit Levels for Construction Noise

Time Period

Action Level

Limit Level

0700 - 1900 hours on normal weekdays

When one documented complaint is received

75 dB(A) *

Notes:

Limit level is exceeded when Leq ≥ 75 dB(A).  If works are to be carried out during restricted hours, the conditions stipulated in the construction noise permit issued by the Noise Control Authority have to be followed.

* Reduce to 70 dB (A) for schools and 65 dB (A) during school examination periods.

Noise monitoring was performed using sound level meter at the designated monitoring stations NMS-CA-1A ([4]) ([5]) and NMS-CA-4 (Figure 2.2; Table 2.5) in accordance with the requirements stipulated in the Updated EM&A Manual.  Acoustic calibrator was deployed to check the sound level meters at a known sound pressure level.  Details of the deployed equipment are provided in Table 2.5.  Copies of the calibration certificates for the equipment are presented in Annex F1

Table 2.5        Noise Monitoring Details

Monitoring Station (a)

Location

Parameter

Frequency and Duration

Monitoring Dates

Equipment

NMS-CA-1A (b)

Residential premise in Tung Chung East Century Link/Ying Hong Road (c)

 

30-minute measurement between 0700 and 1900 on normal weekdays (Monday to Saturday). Leq, L10 and L90 would be recorded.

Once per week for 30 mins during the construction period of the Project

5, 11, 17 and 23 February 2022

Sound Level Meter: Rion NL-52 (S/N: 00331805)

 

Acoustic Calibrator: LARSON DAVIS CAL200 (S/N: 11333)

NMS-CA-4

Residential premise in the reclamation area next to Tung Chung East Ying Tung Estate

 

 

Remarks:

(a)      It should be noted that impact monitoring at other construction noise monitoring locations at TCE as stated in the Updated EM&A Manual will commence after the flat intake of residential premise in TCE (for Monitoring Station NMS-CA-1) and operation of schools (for Monitoring Stations NMS-CA-2 and NMS-CA-3).

(b)      Impact monitoring at monitoring station NMS-CA-1A commenced on 19 September 2018 in view of the close vicinity of the construction works near the residential area at Century Link.

(c)      Due to land handover issue, NMS-CA-1A was relocated to Ying Hong Road which is located 60m away from the original location.  Proposal on the relocation of NMS-CA-1A was approved by IEC on 23 November 2018.  Noise monitoring at the relocated location commenced since 24 November 2018.

2.2.2                     Monitoring Schedule for the Reporting Month

The schedule for noise monitoring during the reporting period is provided in Annex F2.

2.2.3                     Results and Observations

Results for noise monitoring are summarized in Table 2.6.  The monitoring data and the graphical presentation are provided in Annex F3.

Table 2.6        Summary of Construction Noise Monitoring Results in the Reporting Period

Monitoring Station

Average , dB(A),

Leq (30mins)

Range, dB(A),

Leq (30mins)

Limit Level, dB(A),

Leq (30mins)

NMS-CA-1A

66.3

65.8-66.8

75

NMS-CA-4

65.0

63.7-66.2

75

Major noise sources during the noise monitoring included noise from plant operation, craning, piling, haul road traffic, nearby traffic and aircraft as well as nearby construction sites. 

 

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

2.3                         Water Quality Monitoring

2.3.1                     Monitoring Requirements and Equipment

Impact water quality monitoring was carried out to ensure that any deterioration of water quality was detected, and that timely action was taken to rectify the situation.  Impact water quality monitoring was undertaken three days per week since the commencement of marine works during the reporting period in accordance with the Updated EM&A Manual.  Each impact water quality monitoring was scheduled such that the interval between two impact water quality monitoring was more than 36 hours to record representative water quality data throughout the week during the marine works.

Two (2) replicate in-situ measurements and samples were collected at each monitored water depth of each designated monitoring stations.  Dissolved Oxygen (DO), pH value, salinity, temperature and turbidity were measured in-situ whereas the level of suspended solids (SS) were determined by ALS Technichem (HK) Pty Ltd which is a HOKLAS accredited laboratory.

The Action and Limit Levels of the water quality monitoring are provided in Table 2.7.

Table 2.7        Action and Limit Levels for Water Quality

Parameters

Action Level

Limit Level

DO in mg/L

(Surface, Middle & Bottom)

Surface and Middle

5.9 mg/L [1]

 

Bottom

5.6 mg/L

Surface and Middle

4 mg/L [1]

 

Bottom

2 mg/L

 

SS in mg/L (Depth-averaged)

13.5 mg/L
or
120% of upstream control station at the same tide of the same day, whichever is higher. [2]

 

 

23.5 mg/L
or
130% of upstream control station at the same tide of the same day, whichever is higher. [2]

Turbidity in NTU (Depth-averaged)

17.1 NTU
or
120% of upstream control station at the same tide of the same day, whichever is higher. [2]

23.5 NTU
or
130% of upstream control station at the same tide of the same day, whichever is higher. [2]

Notes:

(1)        For DO, non-compliance occurs when monitoring results is lower than the limits.

(2)        For SS and Turbidity, non-compliance occurs when monitoring results is larger than the limits

The locations of the monitoring stations under the Project are shown in Figure 2.3 and Table 2.8.

Table 2.8        Locations of Impact Water Quality Monitoring Stations and the Corresponding Monitoring Requirements

Monitoring Station

Description

Coordinates

Parameters (a)

Frequency

Monitoring Dates (b)

Depth

 

 

Easting

Northing

 

 

 

TCE-WQM1

Near Airport Channel

811838

817341

Ÿ Dissolved Oxygen (DO) (mg/L and % saturation)

Ÿ Temperature (C)

Ÿ Turbidity (NTU)

Ÿ Salinity (ppt)

Ÿ pH

Ÿ Water depth (m)

Ÿ Suspended Solid (SS) (mg/L)

Impact monitoring: 3 days per week, at mid-flood and mid-ebb tides during the construction period of the Project

 

4, 7, 9, 11, 14, 16, 18, 21, 23, 25 and 28 February 2022

3 water depths: 1m below sea surface, mid-depth and 1m

above seabed.  If the water depth is less than 3m, mid-depth sampling only.  If water depth less than 6m, mid-depth may be omitted

TCE-WQM2a

Marine Park 1

814439

819879

TCE-WQM2b

Marine Park 2

814439

821905

TCE-WQM3A

Outlet of Tai Ho Wan

814705

817859

TCE-WQM4

HKBCF

813344

818849

TCE-C1

Control Station - Outside Airport Channel

804247

815620

TCE-C2

Control Station - Sunny Bay

819460

821473

Notes:

(a)     In addition to the abovementioned parameters, other relevant data shall also be recorded, including monitoring location / position, time, water depth, tidal stages, weather conditions and any special phenomena or work underway at the construction site.

(b)     Water quality monitoring on 2 February 2022 was cancelled due to suspension of works during Lunar New Year holidays.

Table 2.9 summarizes the equipment used in the impact water quality monitoring works.  Copies of the calibration certificates are attached in Annex G1.


 

Table 2.9        Water Quality Monitoring Equipment

Equipment

Model

Water Sampler

Kahlsico Water Samplers

Multi-parameter Water Quality System (measurement of DO, Temperature, Turbidity, Salinity and pH)

YSI ProDSS (S/N: 16H104233, 16H104234, 17E100747, 21G105356)

 

2.3.2                     Monitoring Schedule for the Reporting Month

The schedule for water quality monitoring during the reporting period was provided in Annex G2

2.3.3                     Results and Observations

A total of 11 monitoring events for impact water quality monitoring were conducted at all designated monitoring stations during the reporting period.  Monitoring event on 2 February 2022 was cancelled due to suspension of works during Lunar New Year holidays.  Impact water quality monitoring results and graphical presentations were provided in Annex G3

No exceedance of Action and Limit Levels was recorded for water quality impact monitoring in the reporting period.  No action was thus required to be undertaken in accordance with the Event and Action Plan presented in Annex E4.  

2.4                         Preserved/Transplanted Plant Species of Conservation Importance Monitoring

Plant species of conservation importance, including three individuals of Aquilaria sinensis and 33 individuals of Gmelina chinensis, were identified within works areas for Contract 2. All individuals of Aquilaria sinensis and 31 individuals of Gmelina chinensis were recommended being preserved in-situ while two individuals of Gmelina chinensis were recommended being transplanted to the receptor site in accordance with the Detailed Preservation and/or Translocation Plan for Plant Species of Conservation Importance approved under Condition 2.21 of EP-519/2016.

Monthly monitoring of the in-situ preserved plant species of conservation importance by the Qualified Personnel (QP) appointed under Contract 2 was implemented in the reporting period. Tree protection zones for the in-situ preserved plant species of conservation importance were demarcated. Health condition was considered fair for the majority of the in-situ preserved plant species of conservation importance, of which one individual of Aquilaria sinensis and eight individuals of Gmelina chinensis were missing; and two individuals of Gmelina chinensis could not be monitored as a result of unsafe access to the locations, as recorded during the monitoring carried out on 28 February 2022. No injuries and/or damages to the individuals of the in-situ preserved plant species of conservation importance were reported by the QP since the previous monitoring events.

Four monitoring of the transplanted plant species of conservation importance events were implemented as part of the ETs regular site inspection on 4, 9, 16 and 23 February 2022. Key observations during the monitoring events are summarized in Table 2.10. The ET will continue to monitor the implementation of monitoring of in-situ preserved/ transplanted plant species of conservation importance.

2.5                         Soft Shore Ecological Monitoring

No impact soft shore ecological monitoring at Tung Chung Bay and Tai Ho Wan was scheduled during the reporting period.  The impact soft shore ecological monitoring at Tung Chung Bay and Tai Ho Wan was scheduled to be conducted in March 2022 in accordance with the Updated EM&A Manual.

2.6                         EM&A Site Inspection

Site inspections were carried out on a weekly basis with the Contractor and ER to monitor the implementation of proper environmental pollution control and mitigation measures for air quality, noise, water quality, waste management, marine ecology, landscape and visual impacts and preservation and/or transplantation of plant species of conservation importance under the Project.  In the reporting period, two (2) site inspections were carried out on 10 and 24 February 2022 for Contract 1([6]), four (4) site inspections were carried out on 4, 9, 16 ad 23 February 2022 for Contract 2, four (4) site inspections were carried out on 4, 11, 16 and 25 February 2022 for Contract 3 and three (3) site inspections were carried out on 8, 15 and 22 February 2022 for Contract 7.

Key observations during the site inspections are summarized in Table 2.10.

Table 2.10      Key Observations Identified during the Site Inspection in this Reporting Month

Contract No.

Inspection Date

Environmental Observations

Recommendations/ Remarks

Contract 1

10 February 2022

 

Tung Chung Reclamation Area (Near West Opening and Marina)

Ÿ   Gaps were observed between silt curtain and the overlapping of the silt curtain opening was not sufficient.

 

Tug Boat (Leader T3)

Ÿ   Dark smoke was observed.

Tung Chung Reclamation Area (Near West Opening and Marina)

Ÿ   The Contractor was reminded to carry out maintenance and extend the silt curtain opening to >150m in accordance with the Silt Curtain Deployment Plan.

Tug Boat (Leader T3)

Ÿ   The Contractor was urged to carry out maintenance i.e. filter replacement/cleaning.

24 February 2022

Area D

Ÿ   Accumulated construction waste was observed.

Ÿ   Chemicals were observed not placing on drip tray.

Area D, DCM Area

Ÿ   Appropriate Non-road Mobile Machinery (NRMM) labels were not observed.

 

 

Interim Open Rectangular Channel (IORC)

Ÿ   Dust was observed from haul road.

Area D

Ÿ   The Contractor was reminded to clear construction waste regularly.

Ÿ   The Contractor was reminded to place chemicals on drip tray.

Area D, DCM Area

Ÿ   The Contractor was reminded to affix appropriate NRMM labels in accordance with the Air Pollution Control (Non-road Mobile Machinery) (Emission) Regulation.

Interim Open Rectangular Channel (IORC)

Ÿ   The Contractor was reminded to carry out dust mitigation measures.

Contract 2

4 February 2022

Portion 3, 6, TTA

Ÿ   No deficiency was observed.

Ÿ   Nil

9 February 2022

Portion 3

Ÿ   Three different methods for irrigation were observed being provided for the transplanted plant species (RT-07 & RT-08).

Ÿ   Large rocks and rubbles were observed near the transplanted plant species.

 

Ÿ   Mud trail was observed on public road outside site entrance.

 

Portion 6

Ÿ   Inappropriate size of NRMM label was observed being affixed to an excavator.

Portion 3

Ÿ   The Contractor was advised to determine the most appropriate one as the method for irrigation.

 

Ÿ   The Contractor was reminded to remove such rocks and rubbles from the receptor site in order to avoid soil compaction.

Ÿ   The Contractor was reminded to provide wheel washing facilities at the site entrance.

Portion 6

Ÿ   The Contractor was reminded to affix an appropriate one to the excavator in accordance with the Air Pollution Control (Non-road Mobile Machinery) (Emission) Regulation.

16 February 2022

TTA

Ÿ   Chemicals were observed not placing on drip tray.

Portion 3

Ÿ   The health condition of the transplanted plant species of conservation importance was poor.

 

Ÿ   Drainage blockage was observed.

 

 

Ÿ   Mud trail was observed on public road outside site entrance.

 

TTA, Portion 6

Ÿ   Discoloured NRMM labels were observed.

TTA

Ÿ   The Contractor was reminded to provide drip tray for chemicals.

Portion 3

Ÿ   The Contractor was reminded to keep close monitoring of the plants in terms of their health condition and report to relevant parties in the event of deterioration immediately.

Ÿ   The Contractor was reminded to keep the drainage clear and provide proper drainage arrangement to prevent discharge/runoff.

Ÿ   The Contractor was reminded to provide wheel washing facilities at the site entrance.

TTA, Portion 6

Ÿ   The Contractor was reminded to affix appropriate NRMM labels in accordance with the Air Pollution Control (Non-road Mobile Machinery) (Emission) Regulation.

23 February 2022

TTA

Ÿ   Sediment accumulated at the kerb was observed.

 

Portion 3

Ÿ   The health condition of the transplanted plant species of conservation importance was poor.

 

Portion 6

Ÿ   Discoloured NRMM label was observed.

TTA

Ÿ   The Contractor was reminded to remove the sediment from the works area for drainage works.

Portion3

Ÿ   The Contractor was reminded to keep close monitoring of the plants in terms of their health condition and report to relevant parties in the event of deterioration immediately.

Portion 6

Ÿ   The Contractor was reminded to affix appropriate NRMM label in accordance with the Air Pollution Control (Non-road Mobile Machinery) (Emission) Regulation.

Contract 3

4 and 11 February 2022

 

Portion 104, WA6, WA9, CUT1

Ÿ   No deficiency was observed.

Ÿ   Nil

16 February 2022

CUT1

Ÿ   Dust was observed from haul road.

CUT1

Ÿ   The Contractor was urged to carry out dust mitigation measures.

25 February 2022

Portion 104, 8, WA6, WA9, CUT1

Ÿ   No deficiency was observed.

Ÿ   Nil

Contract 7

8 February 2022

WA4, Area E near Pak Mong, Portion 32

Ÿ   No deficiency was observed.

Ÿ   Nil.

15 February 2022

Portion 32

Ÿ   Inappropriate storage of construction waste was observed at site.

Portion 32

Ÿ   The Contractor was reminded to dispose of the construction waste.

22 February 2022

Portion 32

Ÿ   Damage on retained tree was observed.

Portion 32

Ÿ   The Contractor was reminded to provide proper measures to retained trees.

The Contractors have rectified all of the observations identified during environmental site inspections in the reporting period.  The Contractors were reminded to implement all relevant mitigation measures related to construction dust, construction noise, water quality and waste management outlined in the EIA Report and Updated EM&A Manual. 

2.7                         Waste Management Status

The Contractors of Contract 1, 2, 3 and 7 have registered as chemical waste producer.  Sufficient numbers of receptacles were available for general refuse collection and sorting.

All dump trucks engaged on site was equipped with RTTM system during the reporting period.  The Surveillance Team of the ET conducted regular site inspection on the dump trucks and their track records.  No illegal dumping and landfilling of C&D materials was found during the reporting period.

Wastes generated during this reporting period include mainly non-inert construction wastes.  Reference has been made to the waste flow tables prepared by the Contractors.  The quantities of different types of wastes and imported fill materials are summarised in Table 2.11

Table 2.11      Quantities of Different Waste Generated and Imported Fill Materials

Contract No.

Month/

Year

Inert C&D Materials (a)  (m3)

Imported Fill (b) (sand) (m3)

Imported Fill (c) (public fill) (m3)

Inert Construction Waste Re-used (d)

(m3)

Non-inert Construction Waste (e) (m3)

Recyclable Materials (f) (kg)

Chemical Wastes (kg)

 

 

TCNTE (East)

1 to 31 Jan 22

0.0

53,001.0

162,752.5

17,728.7

129.7

1,760.5

0.0

1 to 28 Feb 22

0.0

54,894.0

129,981.0

7,071.0

73.04

12,100.0

3,200.0

Notes:

 

 

(a) Inert construction wastes include hard rock and large broken concrete, and materials disposed as public fill.

(b) Imported materials include of sand fill from any source outside of TCNTE.

(c) Imported sorted public fill include all G200, G400 and glass gullet (local recycling materials) from any source outside of TCNTE.

(d) Reuse of inert construction waste generated under the TCNTE contracts.

(e) Non-inert construction wastes include general refuse disposed at landfill.

(f) Recyclable materials include metals, paper, cardboard, plastics and others.

2.8                         Implementation Status of Environmental Mitigation Measures

A summary of the Environmental Mitigation Implementation Schedule is presented in Annex B.  The necessary mitigation measures were implemented properly for the Project.

2.9                         Summary of Exceedances of the Environmental Quality Performance Limit

The monitoring results for air quality monitoring (1-hour TSP) and construction noise monitoring complied with the Action/ Limit levels in the reporting period.  

No Action and Limit level exceedance was recorded for water quality impact monitoring in the reporting period. 

Cumulative statistics on exceedances is provided in Annex H.

2.10                       Summary of Complaints, Notification of Summons and Successful Prosecutions

There were no complaints, notification of summons or prosecution recorded in the reporting period. 

Statistics on complaints, notifications of summons, successful prosecutions are summarised in Annex H.

 

3             Future Key Issues

3.1                         Construction Programme for the Coming Month

Works to be undertaken in the next monitoring period of March 2022 are summarized in Table 3.1 below, together with the key issues and the key mitigation measures:

Table 3.1        Major Activities for the Next Reporting Period

Activities

Key Issues

Key Mitigation Measures

Contract No. NL/2017/03 - Tung Chung New Town Extension Reclamation and Advance Works (Contract 1)

Land-based Works

 

 

         Ground investigation works

         Land DCM works

         Jet grouting works

         Placing of sorted public fill

         Box culvert construction

         Installation of PVD

         Chain link fence erection and U-channel construction

         Dust emission

         Handling and storage of C&D materials generated from construction activities

         Noise from plant operation

         Emission of dark smoke from PMEs

         Efficiency of wastewater and drainage management

         Good site practices

         Regular water spraying on stockpiles, unpaved haul road and land filling area

         Provide tarpaulin sheets coverage on stockpiles

         Sorting and reuse of C&D materials as far as practicable

         Use of QPME and noise barrier/acoustic mat

         Regular maintenance of PMEs

         Implementation of wastewater and drainage management

Marine-based Works

 

 

         Laying of geotextile for seawall construction

         Marine-based instruments monitoring works

         Placing of sand and sorted public fill

         Seawall construction

         Elevation in impact on Water Quality due to sediment loss from sand blanket laying and marine filling works

         Potential surface runoff

         Potential filling material drop from barges

         Disturbance to Chinese White Dolphin

         Noise from marine vessels and plant operation during normal working hours or restricted hours

         Dust emission during storage and transfer of sand/ sorted public fill

         Emission of dark smoke from marine vessel

 

         Provision of perimeter silt curtain

         Provision of a leading seawall of at least 200m before marine filling works

         Regular cleaning of accumulated sand/fill materials at the edge of the barges

         Implementation of Dolphin Watching for the marine-based works

         Strictly follow requirement under CNP for the use of PMEs and works within restricted period

         Use of acoustic mat and other noise mitigation measures when necessary

         Regular maintenance of engines and mechanical equipment


 

Contract No. NL/2020/02 - Tung Chung New Town Extension Salt Water Supply System (Contract 2)

Land-based Works

 

 

         Initial survey (land survey prior to the commencement of construction works)

         Sheet piling works for ELS at Portion 6

         Site formation, retaining wall and soil nailing works at Portion 3

         Watermain laying works at Portion 3 along Yu Tung Road

         Sheet piling works and trench excavation for drainage works at Portion 5A

         Ground investigation to determine the rockhead for HDD works at Portion 3

         Compensatory woodland planting at Portion 1 and 2

         Dust emission

         Handling and storage of C&D materials generated from construction activities

         Noise from plant operation

         Emission of dark smoke from PMEs

         Efficiency of wastewater and drainage management

         Tree protection

         Good site practices

         Regular water spraying on stockpiles, unpaved haul road and land filling area

         Provide tarpaulin sheets coverage on stockpiles

         Sorting and reuse of C&D materials as far as practicable

         Use of QPME and noise barrier/acoustic mat

         Regular maintenance of PMEs

         Implementation of wastewater and drainage management

         Retain and protect all existing trees and vegetation within the study area which are not directly affected by the works

Contract No. NL/2020/03 - Tung Chung New Town Extension Major Infrastructure Works in Tung Chung East (Contract 3)

Land-based Works

 

 

         Installation of sheetpile at Portion 104

         Installation of sheetpile at CUT no.1

         Site formation works/ drainage works and construction of temporary transformer building at WA6/WA9

         Erection of PM office at WA9

         Drainage/ sewerage works at Portion 8

         Setting up of TTA for watermain and twin rising mains laying at Man Tung Road

         CCTV inspection for drainage works at Yi Tung Road

         Dust emission

         Handling and storage of C&D materials generated from construction activities

         Noise from plant operation

         Emission of dark smoke from PMEs

         Efficiency of wastewater and drainage management

         Tree protection

         Good site practices

         Regular water spraying on stockpiles, unpaved haul road and land filling area

         Provide tarpaulin sheets coverage on stockpiles

         Sorting and reuse of C&D materials as far as practicable

         Use of QPME and noise barrier/acoustic mat

         Regular maintenance of PMEs

         Implementation of wastewater and drainage management

         Retain and protect all existing trees and vegetation within the study area which are not directly affected by the works


 

Contract No. NL/2020/07 - Tung Chung New Town Extension Tai Ho Interchange (Contract 7)

Land-based Works

         Backfilling at WA4

         Inspection pit excavation at Portions 32, 35-37 and 146-5

         Trench excavation at Portions 35-37

         Tree survey, tree risk assessment and condition survey

         Site clearance and tidiness

         Dust emission

         Handling and storage of C&D materials generated from construction activities

         Noise from plant operation

         Emission of dark smoke from PMEs

         Good site practices

         Regular water spraying on stockpiles, unpaved haul road and land filling area

         Provide tarpaulin sheets coverage on stockpiles

         Sorting and reuse of C&D materials as far as practicable

         Use of QPME and noise barrier/acoustic mat

         Regular maintenance of PMEs

The ET will keep track on the construction works to confirm compliance of environmental requirements and the proper implementation of all necessary mitigation measures.  The ET will also recommend to the Contractors about the environmental toolbox topics on the abovementioned key issues for the next reporting period.

3.2                         Monitoring Schedule for the Coming Month

The tentative schedules for environmental monitoring in March 2022 are provided in Annex I.

 

4             Conclusion and Recommendation

This EM&A Report presents the findings of the EM&A activities undertaken for the TCE Project during the period from 1 to 28 February 2022 in accordance with the Updated EM&A Manual and the requirements of the Environmental Permit (EP-519/2016).

Air quality (1-hour TSP), noise and water quality (DO, turbidity and SS) were carried out in the reporting period. 

The monitoring results for air quality monitoring (1-hour TSP), construction noise monitoring and water quality impact monitoring complied with the Action/ Limit levels in the reporting period.

No impact soft shore ecological monitoring at Tung Chung Bay and Tai Ho Wan was scheduled during the reporting period.

Environmental site inspections were carried out during the reporting period.  Recommendations on remedial actions were given to the Contractors for the deficiencies identified during the site inspections.

There were no environmental complaints, notification of summons or prosecution recorded in the reporting period.

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

 

 



([1])       Site inspection on 17 February 2022 for Contract 1 was cancelled due to preliminary positive COVID-19 case found at construction site. 

(2        ERM (2018a).  Updated Environmental Monitoring and Audit Manual for Tung Chung New Town Extension. Deposited to EPD under EP-519/2016

(3)       Arup (2015).  Environmental Impact Assessment Report for Tung Chung New Town Extension. Deposited to EPD under Register No. AEIAR-196/2016

(4)       Impact monitoring at monitoring station NMS-CA-1A commenced on 19 September 2018 in view of the close vicinity of the construction works near the residential area at Century Link.

(5)       Due to land handover issue, NMS-CA-1A was relocated to Ying Hong Road which is located 60m away from the original location.  Proposal on the relocation of NMS-CA-1A was approved by IEC on 23 November 2018.  Noise monitoring at the relocated location commenced since 24 November 2018.

(6)       Site inspection on 17 February 2022 for Contract 1 was cancelled due to preliminary positive case found at construction site.