Contents

EXECUTIVE SUMMARY  i

Breaches of Action and Limit Levels for Air Quality  ii

Breaches of Action and Limit Levels for Noise  ii

Breaches of Action and Limit Levels for Water Quality  ii

Eco-shoreline Monitoring  ii

Soft Shore Ecological Monitoring  ii

Environmental Complaints, Non-compliance & Summons  ii

Reporting Change  ii

Key Issues For The Coming Month  ii

1.    introduction  1

1.1   background  1

1.2   SCOPE OF THE EM&A REPORT  2

1.3   ORGANIZATION STRUCTURE  2

1.4   SUMMARY OF CONSTRUCTION WORKS  4

1.5   SUMMARY OF EM&A PROGRAMME REQUIREMENTS  7

1.6   STATUS OF STATUTORY ENVIRONMENTAL COMPLIANCE WITH THE ENVIRONMENTAL PERMIT  9

1.7   STATUS OF OTHER STATUTORY ENVIRONMENTAL REQUIREMENTS  9

2.    EM&A RESULTS FOR TUNG CHUNG EAST  10

2.1   Air Quality  10

2.1.1    Monitoring Requirements and Equipment 10

2.1.2    Monitoring Schedule for the Reporting Month  10

2.1.3    Results and Observations  10

2.2   Noise Monitoring  11

2.2.1    Monitoring Requirements and Equipment 11

2.2.2    Monitoring Schedule for the Reporting Month  12

2.2.3    Results and Observations  12

2.3   WATER QUALITY Monitoring  12

2.4   COMPENSATION WOODLAND MONITORING  13

2.5   PRESERVED/TRANSPLANTED PLANT SPECIES OF CONSERVATION IMPORTANCE MONITORING  13

2.5.1    Preserved Plant Species of Conservation Importance  13

2.5.2    Transplanted Plant Species of Conservation Importance  13

2.6   ECO-SHORELINE MONITORING  14

2.7   Soft Shore Ecological Monitoring  14

2.8   EM&A SITE INSPECTION  14

2.9   Waste Management Status  17

2.10 LANDSCAPE AND VISUAL MONITORING  17

2.11 IMPLEMENTATION STATUS OF ENVIRONMENTAL MITIGATION MEASURES  20

2.12 SUMMARY OF COMPLAINTS, NOTIFICATION OF SUMMONS AND SUCCESSFUL PROSECUTIONS  20

3.    Future Key Issues  22

3.1   Construction Programme for the Coming Month  22

3.2   MONITORING SCHEDULE FOR THE COMING MONTH  27

4.    CONCLUSION AND RECOMMENDATION  28

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 Requiremens

ANNEX e      Air Quality

ANNEX e1     Calibration Certificates for Air Quality

ANNEX e2     Monitoring Schedule for Air Quality

ANNEX e3     Monitoring Results for Air Quality

ANNEX e4     Event and Action Plan for Air Quality

ANNEX f      NOISE

ANNEX f1     Calibration Certificates for Noise

ANNEX f2     Monitoring Schedule for Noise

ANNEX f3     Monitoring Results for Noise

ANNEX f4     Event and Action Plan for Noise

ANNEX g      Compensation Woodland Monitoring

ANNEX h      Preserved/Transplanted Plant Species of Conservation Importance Monitoring

ANNEX h1    Preserved Plant Species of Conservation Importance

ANNEX h2    Transplanted Plant Species of Conservation Importance

ANNEX i       Eco-shoreline Monitoring

ANNEX J      Landscape and Visual Monitoring

ANNEX J1     Examples of Landscape and Visual Mitigation Measures

ANNEX J2     Event and Action Plan for Landscape and Visual Mitigation Measures

ANNEX K      Cumulative Statistics on Exceedances, Environmental Complaints, Notification of Summons and Status of Prosecutions

ANNEX L      Monitoring Schedule for the Next Reporting Period

 

List of Tables

Table 1.1      Contact Information of Key Personnel  2

Table 1.2      Major Activities in the Reporting Period  4

Table 1.3      Summary of Status for the Environmental Aspects under the Updated EM&A Manual  7

Table 2.1      Action and Limit Levels for 1-hour TSP  10

Table 2.2      Air Quality Monitoring Details  10

Table 2.3      Summary of 1-hour TSP Monitoring Results in the Reporting Period  11

Table 2.4      Action and Limit Levels for Construction Noise  11

Table 2.5      Noise Monitoring Details  11

Table 2.6      Summary of Construction Noise Monitoring Results in the Reporting Period  12

Table 2.7      Key Observations Identified during the Site Inspection in this Reporting Month  15

Table 2.8      Quantities of Different Waste Generated and Imported Fill Materials  17

Table 2.9      Implementation Status of Landscape and Visual Mitigation Measures  18

Table 2.10     Monitoring Programme for Landscape and Visual  19

Table 3.1      Major Activities for the Next Reporting Period  22

 

LIST OF FIGURES

FIGURE 1.1

LOCATION OF CONTRACT NO. NL/2017/03 – TUNG CHUNG NEW TOWN EXTENSION – RECLAMATION AND ADVANCE WORKS (CONTRACT 1)

FIGURE 1.2

LOCATION OF CONTRACT NO. NL/2020/02 – TUNG CHUNG NEW TOWN EXTENSION – SALT WATER SUPPLY SYSTEM (CONTRACT 2)

FIGURE 1.3

LOCATION OF CONTRACT NO. NL/2020/03 – TUNG CHUNG NEW TOWN EXTENSION – MAJOR INFRASTRUCTURE WORKS IN TUNG CHUNG EAST (CONTRACT 3)

FIGURE 1.4

LOCATION OF CONTRACT NO. NL/2020/02 – TUNG CHUNG NEW TOWN EXTENSION – TAI HO INTERCHANGE (CONTRACT 7)

FIGURE 2.1

CONSTRUCTION DUST MONITORING STATION LOCATION

FIGURE 2.2

CONSTRUCTION AIRBORNE NOISE MONITORING STATION LOCATION

 


 

Acronyms and abreviations

Acronyms

Description

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 construction of the Contract No. NL/2020/07 - Tung Chung New Town Extension – Tai Ho Interchange (“Contract 7”) at TCE commenced on 15 March 2022.

This is the Monthly EM&A report presenting the EM&A works carried out during the period from 1 to 31 May 2024 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                             6 sessions

Noise Monitoring                                   6 sessions

Preserved Plant Species Monitoring           1 session

Transplanted Plant Species Monitoring       1 session

Environmental Site Inspection

·          Contract 1                                       4 sessions

·          Contract 2                                       5 sessions

·          Contract 3                                       5 sessions

·          Contract 7                                       4 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 implementation of Complaint Management Plan, Eco-shoreline Implementation Plan, Detailed Preservation and/or Translocation of Plant Species of Conservation Importance, Detailed Compensatory Woodland Planting Plan and Waste Management Plan 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.  However, one (1) Action Level was triggered from one (1) environmental complaint related to noise nuisance in the reporting period.

Breaches of Action and Limit Levels for Water Quality

Water quality monitoring was suspended in the reporting period.

Eco-shoreline Monitoring

The construction of vertical eco-shoreline, mangrove eco-shoreline and rocky eco-shoreline has been substantially completed.  Wet season monitoring was conducted during the reporting period.

Soft Shore Ecological Monitoring

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

Environmental Complaints, Non-compliance & Summons

There was no notification of summons or prosecution recorded in the reporting period.

One (1) environmental complaint related to Contract 1, One (1) environmental complaint related to Contract 2 and two (2) environmental complaints related to Contract 3 were received in the reporting period.  Investigations were conducted for the environmental complaints in accordance with the complaint handling process as stated in the Complaint Management Plan.

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 June 2024 are mainly associated with dust emission, noise from plant operation during normal working hours and restricted hours, 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 ([1]), EIA Report of the TCNTE project ([2]) 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, 3 and 7 commenced on 4 September 2021, 5 November 2021 and 15 March 2022, respectively.

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 31 May 2024 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

Kelvin So

3894 9504

Deputy ET Leader

Raymond Chow

2271 3281

Independent Environmental Checker (IEC)

(Binnies Hong Kong Limited)

IEC

Manuel Chua

3894 9807

Deputy IEC

Edward Lau

3894 9695

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

Civil Engineering and Development Department

Marine Conservation Officer

Wo King Tai

3894 9707

Engineer’s Representative

(ER)

(AECOM Asia Company Limited)

 

Principal Resident Engineer

Frankie Fan

3894 9603

Chief Resident Engineer

Chris Cheung

3894 9604

Resident Engineer

Victor Chan

3894 9666

Senior Inspector of Works

C K Liu

3894 9733

Contractor

(Build King – SCT Joint Venture)

 

Site Agent

David Wong

9653 8635

Civil Division Head

Marco Chan

9257 7033

Environmental Officer

Issac Wong

9873 8968

24-hour Complaint Hotline

-

5976 1853

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

Civil Engineering and Development Department

Senior Engineer

Patrick C Y Yeung

2231 4435

Electrical & Mechanical Engineer

Samson K L Yip

2231 4460

Engineer’s Representative

(ER)

(AECOM Asia Company Limited)

 

Principal Resident Engineer

Frankie Fan

3894 9603

Senior Resident Engineer

Sunny Ng

3894 9605

Senior Resident Engineer

Vincent Leung

3894 9645

Resident Engineer

Amen Fung

3894 9676

Senior Inspector of Works

Wong Ting Yu

3894 9706

Contractor

(China Geo-Engineering Corporation)

 

Construction Manager

Ambrose Kwong

6198 7787

Site Agent

Edward Mok

6498 4306

Construction Team Leader

C K Chung

5401 5720

Environmental Officer

Fung Ka Bao

9120 1489

24-hour Complaint Hotline

-

5976 1853

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

Senior Engineer

Phoebe Tang

2231 4423

Engineer

Timothy H M Chan

2231 4473

Engineer

Colin K C Wong

2231 4417

Engineer

Wing Chen

3894 9704

Engineer’s Representative

(ER)

(AECOM Asia Company Limited)

 

Principal Resident Engineer

Frankie Fan

3894 9603

Chief Resident Engineer

Gloria Tang

3894 9639

Senior Resident Engineer

Winston Wong

3894 9650

Resident Engineer

David Li

3894 9684

Resident Engineer

Alvis Li

3894 9558

Resident Engineer

Anson Yip

3894 9559

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

9095 7922

Deputy Site Agent

Aldous Lo

9225 0368

Construction Team Leader

Ken Yau

9197 2219

Environmental Officer

Tim Lin

6390 0018

24-hour Complaint Hotline

-

5976 1853

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

S H Leung

2231 4449

Engineer’s 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

-

5976 1853


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

·         Box culvert construction

·         Installation of navigation light at VS2

·         Installation of security gate and fence at Seawater Intake

·         Reinstatement at Berth No. 1

·       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

·       Potential surface runoff

·       Noise from plant operation during normal working hours or restricted hours

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

·       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

·       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

·         Construction of pumping station at Portion 6

·         Construction of service reservoir and TMF mainlaying at Portion 3

·         CLP cable duct laying works at Wong Lung Hang at Portion 3

·         Watermain laying works at Portion 3 along Chung Yan Road, Man Tung Road, Yu Tung Road Planter, Tung Chung Road and inside WSD facilities

·         Watermain laying works at Yi Tung Road at Portion 4

·         Manhole construction and pipe laying 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

·         Excavation and ELS works at Portion 104

·         Excavation and ELS works at CUT no.1, 2, 3, 4 and supporting building

·         Construction works for CUT no. 1 structure

·         Back-filling works for CUT 2

·         Construction works and furniture installation of PM office at WA9

·         Construction works of Contractor office at WA6

·         Drainage, Sewerage and watermain works at Road L4, L3, L5, L8, L9 and Portion 16

·         DCS works at Road L4 and L3.

·         Pipe laying works for twin rising mains/ watermain laying at Man Tung Road

·         Preparation and pipe jacking works at Ying Tung Road

·         Pipe jacking works at Yi Tung Road

·         Foundation and backfilling works for noise barrier at Portion 11

·         Road and drainage works in Road P1

·         Road widening works at Ying Hei Road

·         Road D4, Road L7, ELS installation

·         Excavation and ELS works at Portion 104

 

·       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

·         Open cut excavation and pipe laying for rising main and watermain at Portion 146-1 to 146-14

·         Pak Mong bridge I-beam erection set up

·         Trench excavation pipe laying works at Portions 32 (Sham Shui Kok Drive), Portion 34 Phase 2, and Portion 38

·         excavation and pipe laying works at Portion 32 (Access Road adjacent to MTRC Siu Ho Wan Depot)

·         Backfilling at Portion 33

·         Establishment of pipe jacking works at Portion 33

·         ELS and grout curtain at Portion 32 for Receiving pit

·         RC construction of retaining walls FR1

·         RC works for Pak Mong Subway Extension Phase 1

·         ELS at Casting Yard A1 and A2

·         Bored piles at A1a and A2b

·         ELS at RW-R6, U1, U2 and U3 RC works for RW-R2, RW-R3 and RW-R4 at Portion 146-2 to 146-4

·         RC construction at RW-R7

·         Mini-piles at Wall E and Wall D

·         GI works for open space at Portions 147-1 &2

·         Bored piles at Bridge C Portion 146-12

·         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

·       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

The environmental mitigation implementation schedule is presented in Annex B.

 

 


1.5       SUMMARY OF EM&A PROGRAMME REQUIREMENTS

The status for all environmental aspects is 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

Suspended for TCE with approval from EPD

 

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

 

Compensation Woodland Planting was completed on 30 September 2022

On-going, monitoring conducted quarterly

 

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 preserved plant species, monitoring conducted once per month; for transplanted plant species, replacement planting was carried out on 28 April 2023 and 19 September 2023, and monitoring conducted once per month for the first year

 

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

The dry season monitoring between December 2023 and February 2024 was completed.  Wet season monitoring was in progress.

 

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

Completed

 

Tung Chung Bay and Tai Ho Wan Post-construction 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

 

Impact Monitoring

On-going

 

Site Environmental Audit

 

Regular Site Inspection

On-going

 

Dolphin Watching Plan implementation measures

Completed

 

Works Vessel Travel Route Plan implementation measures

Completed

 

Silt Curtain Deployment Plan implementation measures

All silt curtain was removed in accordance with the Silt Curtain Deployment Plan and after obtaining the acceptance from EPD

 

Spill Response Plan implementation measures

Completed

 

Detailed Preservation and/or Translocation Plan for Plant Species of Conservation Importance implementation measures

Under implementation by the Contractor of Contract 2

 

Detailed Compensatory Woodland Planting Plan implementation measures

Under implementation by the Contractor of Contract 2

 

Waste Management Plan implementation measures

Under implementation by the Contractor of Contract 1, 2, 3 and 7

 

Complaint Hotline and Email Channel

Under implementation by the Contractor of Contract 1, 2, 3 and 7

 

Environmental Log Book

On-going

 

Taking into account the construction works, impact monitoring of air quality, noise and waste management were carried out in the reporting period.  The monitoring schedule of air quality and noise are provided in Annex E2 and Annex F2 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 Complaint Management Plan, Eco-shoreline Implementation Plan, Detailed Preservation and/or Translocation Plan for Plant Species of Conservation Importance, Detailed Compensatory Woodland Planting 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:

      Four (4) environmental management committee meetings were held among the relevant contractors, ER, ET, IEC and CEDD on 23 and 22 May 2024 (for Contracts 1 and 2) and 14 May 2024 (for Contracts 3 and 7);

      Environmental toolbox trainings on waste management and disposal, chemical handling, dust control, mosquito control, nuisance to residence (light pollution/ sudden noise/ dusty work), site hygiene (rubbish, mosquito, rodent control), noise control, use of spill kits, site drainage management on 3, 8, 10, 14, 17, 22, 24, 29 and 31 May 2024 were conducted for Contract 1;

      Environmental toolbox trainings on site plant and machinery (operation and maintenance), breaking, drilling, cutting and polishing on 7 and 14 May 2024 were conducted for Contract 2;

      Environmental toolbox trainings on plant and machinery environmental precaustion, energy saving, site tideness for anti-mosquitos, tree protection, constrcution dust and suppression, construction noise and suppression, wastewater handling, discharge and treatment facilities, chemical waste and handling of chemical spillage, anti-mosquito control measures on 2, 7, 9, 14, 16, 21, 23, 28 and 30 May 2024 were conducted for Contract 3;

      Environmental toolbox trainings on cement debagging and mixing, milling, paving, plastering and painting, fixing/ fixture and glazing installation on 2, 8, 16, 22 and 29 May 2024 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, discharge license under Water Pollution Control Ordinance, registration as chemical waste producer, construction noise permit and specified processes license, 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

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 (µg/m3)

Limit Level (µg/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

2, 8, 14, 20, 25 and 31 May 2024

1-hour TSP Dust Meter

SIBATA LD-3B (S/N: 436553)

Note: 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 (µg/m3)

Range (µg/m3)

Action Level (µg/m3)

Limit Level (µg/m3)

DM-1

50

37-62

279

500

Major dust sources in the reporting period included haul road traffic and excavation 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) a, b

Note:

a    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.

b    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 ([3]) ([4]) 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

2, 8, 14, 20, 25 and 31 May 2024

Sound Level Meter: Rion NL-52 (S/N: 00331806)

 

Acoustic Calibrator: LARSON DAVIS CAL200 (S/N: 16172)

NMS-CA-4

Residential

premise in the

reclamation area next to Tung Chung East – Ying Tung Estate

Note:

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

66.6

65.0-67.6

75

NMS-CA-4

69.1

66.7-71.2

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.  However, one (1) Action Level was triggered from one (1) environmental complaint related to noise nuisance in the reporting period.  Investigation was conducted for the complaint in accordance with the Event and Action Plan (Annex F4) and the details are provided in Section 2.13.

2.3       WATER QUALITY Monitoring

No monitoring event for impact water quality monitoring was conducted at all designated monitoring stations during the reporting period.  Water quality monitoring has been suspended since 3 October 2023 as all reclamation works and marine construction activities have been completed.

2.4       COMPENSATION WOODLAND MONITORING

Compensation woodland planting under Contract 2 was completed on 30 September 2022.  With the approval from EPD on the monitoring proposal in August 2023, quarterly post-planting monitoring for compensation woodland was commenced in September 2023.  No compensation woodland monitoring was carried out in the reporting month.  Photographic record of the compensation woodland planting is provided in Annex G.

2.5       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 during the survey conducted in August 2021.  All individuals of Aquilaria sinensis and 31 individuals of Gmelina chinensis were recommended being preserved in-situ while two individuals of Gmelina chinensis (RT-07 and RT-08) 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. 

Initial tree survey was conducted in September 2021 under Contract No. NL/2020/02 before the commencement of construction works.  According to the initial tree survey conducted, the in-situ preserved plant species of conservation importance of which one individual of Aquilaria sinensis and six individuals of Gmelina chinensis were found missing. 

During the monthly monitoring of the in-situ preserved plant species of conservation importance in November 2023, one individual of Aquilaria sinensis and one individual of Enkianthus quinqueflorus were newly observed and recommended being preserved in-situ.  Registration and measurement for two additional trees were conducted on 4 December 2023.

2.5.1   Preserved Plant Species of Conservation Importance

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.  Health condition was considered fair for the majority of the in-situ preserved plant species of conservation importance, of which 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 23 May 2024. 

Tree protection zones for the in-situ preserved plant species of conservation importance were demarcated.  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.  Photographic record and tree schedule of the preserved plant species of conservation importance monitoring are provided in Annex H1.

The ET will continue to monitor the implementation of monitoring of in-situ preserved plant species of conservation importance.

2.5.2   Transplanted Plant Species of Conservation Importance

Site visit to the receptor site for the transplanted plant species of conservation importance under Contract 2 was carried out on 20 January 2022 prior to the commencement of transplantation works for the transplanted plant species of conservation importance on 21 January 2022.

The transplanted plant species of conservation importance were both certified as dead trees by the QP on 15 June 2022 as no living signs were observed.  Replacement planting of new trees of the same species, or other species to the satisfaction of the Project Manager, at the Contractors’ expense would be deemed necessary in accordance with the conditions under the approved Detailed Preservation and/or Translocation Plan for Plant Species of Conservation Importance.  Replacement planting of three (3) Aquilaria sinensis were completed on 28 April 2023.  One (1) individual was certified dead by the QP as no living signs were observed on 26 July 2023.  The removal of the dead tree and replanting of one (1) individual of Aquilaria sinensis were completed on 19 September 2023. 

The establishment period of two (2) individuals of Aquilaria sinensis was ended on 27 April 2024 and quarterly monitoring will be commenced in July 2024.  

Monthly monitoring of the replacement planting of one (1) individual Aquilaria sinensis was carried out on 23 May 2024 and it was in fair health condition.  Photographic record and tree schedule of Aquilaria sinensis monitoring are provided in Annex H2.

The transplanted plant species of conservation importance were watered twice a week during the establishment period to keep the soil moist except in days with heavy rainfall.  The ET will continue to monitor the implementation of monitoring of in-situ preserved/ transplanted plant species of conservation importance.

2.6       ECO-SHORELINE MONITORING

The construction of vertical eco-shoreline, mangrove eco-shoreline and rocky eco-shoreline has been substantially completed.  Photographic record is provided in Annex I.

Monitoring of different types of eco-shorelines was conducted on 6, 8, 9 and 10 May 2024.  Monitoring is conducted for at least 3 years after the completion of eco-shoreline, twice in wet season and twice in dry season.  Monitoring of ichthyoplankton was conducted on 29 May 2024 while monitoring of juvenile fish was conducted on 22 and 23 May 2024.  Monitoring is conducted on a monthly basis covering May to August for at least 3 years, in order to determine the effectiveness of the eco-shoreline in accordance with the Updated EM&A Manual and Eco-shoreline Implementation Plan.

2.7       Soft Shore Ecological Monitoring

No post-construction soft shore ecological monitoring at Tung Chung Bay and Tai Ho Wan was scheduled during the reporting period.  The post-construction soft shore ecological monitoring at Tung Chung Bay and Tai Ho Wan was scheduled to be conducted in June 2024 in accordance with the Updated EM&A Manual.

2.8       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, four (4) site inspections were carried out on 9, 17, 23 and 29 May 2024 for Contract 1, five (5) site inspections were carried out on 2, 8, 14, 22 and 29 May 2024 for Contract 2, five (5) site inspections were carried out on 3, 10, 14, 24 and 31 May 2024 for Contract 3 and four (4) site inspections were carried out on 7, 14, 21 and 28 May 2024 for Contract 7.

Key observations during the site inspections are summarized in Table 2.7.

Table 2.7  Key Observations Identified during the Site Inspection in this Reporting Month

Contract No.

Inspection Date

Environmental Observations

Recommendations/ Remarks

Contract 1

9 and 17 May 2024

C1 Site Office

    No deficiency was observed.

    Nil. 

23 May 2024

Interim Open Rectangular Channel (IORC)

• No deficiency was observed.

    Nil.

29 May 2024

Tung Chung Reclamation Area

•Parts of green mesh covering surcharge slope were fallen.

Tung Chung Reclamation Area

    The Contractor was reminded to rectify and cover the surcharge slope properly.

Contract 2

2 May 2024

Portion 3

      Soil exposure was observed.

Portion 3

    The Contractor was reminded to properly cover up the exposed soil and prevent potential muddy runoff from slopes during rainy season.

8 May 2024

Portion 6

    Chemical containers were observed placing on the ground.

Portion 6

    Contractor was reminded to provide drip tray for chemicals.

14 May 2024

TTA

      Chemical containers were observed placing on the ground.

 

Portion 3

    Proper and outstanding record was not observed on the wastewater treatment system tank checklist.

TTA

•    Contractor was reminded to

      provide drip tray for

      chemicals.

 

Portion 3

      The Contractor was reminded to provide proper checking and record on the wastewater treatment system tank checklist.

22 May 2024

Portion 3

•   Deficiency of site drainage

     system was observed.

 

 

 

Portion 6

•   Chemical containers were

     observed placing on the

     ground.

Portion 3

•   The Contractor was reminded

     to provide measures to prevent

     polluted runoff from entering

     nearby water bodies.

 

Portion 6

    Contractor was reminded to provide drip tray for chemicals.

 

29 May 2024

Portion 3

•   Drainage blockage was

     observed.

 

 

Portion 6

•   Chemical containers were

     observed placing on the

     ground

Portion 3

    The Contractor was reminded to clear the debris and keep the drainage system clean.

 

Portion 6

    Contractor was reminded to provide drip tray for chemicals.

 

Contract 3

3 May 2024

Portion 104

      General refuse was scattered on the ground.

 

Portion 104

      The Contractor was reminded to clear the refuse and maintain good housekeeping.

10 May 2024

Portion 7. 10, 16b, 104

      No deficiency was observed

      Nil.

 

14 May 2024

Portion 10

      Proper and outstanding record was not observed on the wastewater treatment system tank checklist.

Portion 10

    The Contractor was reminded to provide proper checking and record on the wastewater treatment system tank checklist.

24 May 2024

CUT

      General refuse was scattered on the ground. CUT

 

 

Road L8

      Chemical container was observed placing on the ground.

CUT

      The Contractor was reminded to clear the refuse and maintain good housekeeping. CUT

 

Road L8

      The Contractor was reminded to provide drip tray for chemical to avoid spillage.

31 May 2024

Portion 10, 16b, 104

•    No deficiency was observed

    Nil.

Contract 7

7 May 2024

Portion 32

    Appropriate Non- Road Mobile Machinery (NRMM) label was not observed on generator.

Portion 32

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

14 May 2024

Area E

    Dry and dusty haul road was observed.

Area E

    The Contractor was reminded to provide adequate dust mitigation measures, such as watering.

21 May 2024

WA1

    No deficiency was observed.

    Nil.

28 May 2024

Portion 32

•   Appropriate Non- Road

    Mobile Machinery (NRMM)

    label was not observed on

    generator.

Portion 32

•   The Contractor was reminded

     to affix appropriate NRMM

     labels in accordance with the

     Air Pollution Control (Non-

     Road Mobile Machinery)

     (Emission) Regulation.

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.

2.9       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 2.8.

Table 2.8  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 Mar 24

0.0

0.0

0.0

0.0

298.0

0.0

0.0

1 to 30 Apr 24

0.0

0.0

0.0

0.0

238.3

0.0

0.0

1 to 31 May 24

0.0

0.0

0.0

0.0

401.2

0.0

0.0

Note:

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.

2.10    LANDSCAPE AND VISUAL MONITORING

Implementation of applicable landscape and visual mitigation measures was monitored in accordance with the Updated EM&A Manual.  All measures undertaken by the Contractor during the construction phase and establishment work phase shall be audited by ET to ensure compliance with the intended aims of the measures.

The implementation status of the environmental protection measures is summarized below in Table 2.9.  Examples of landscape and visual mitigation measures are presented in Annex J1.  The monitoring programme for detailed design, construction and establishment stages is presented in Table 2.10.  Event and Action Plan for Landscape and Visual impacts is stated in Annex J2.


Table 2.9  Implementation Status of Landscape and Visual Mitigation Measures

Landscape and Visual Mitigation Measures during Construction

Implementation Status

Relevant Contract(s) in the Reporting Period

MM1 – Optimization of Construction Areas & Providing Temporary Landscape on Temporary Construction

Implementation of the measures were carried out during the detailed design stage of the Project.

NA

 

MM2 – Minimize Topographical Changes

Implementation of the measures were carried out during the detailed design stage of the Project.

NA

MM3 – Preservation of Potentially Registerable OVTs, Rare and Protective Vegetation

Tree Protection Specifications were provided in the relevant Contract Specifications respectively for implementation by the Contractors under the Project.

The Contractors submitted Detailed Preservation and/or Translocation Plan for Plant Species of Conservation Importance under EP condition 2.21.

The Contractors’ performance on the implementation of the tree maintenance and protection measures were observed and checked by the ET weekly during construction period.

All works contracts

MM4 – Transplanting of Existing Trees

 

Tree Transplanting Specifications were provided in the relevant Contract Specifications respectively for implementation by the Contractors under the Project where trees would unavoidably be affected by the construction works.

The Contractors submitted Detailed Preservation and/or Translocation Plan for Plant Species of Conservation Importance under EP condition 2.21.

The transplanted plant species of conservation importance were both certified as dead trees by the QP on 15 June 2022 as no living signs were observed.

Contract 2

MM5 – Screen Hoarding

 

The implementation of mitigation measures was checked by ET during weekly site inspection.  Implementation of the measures by Contractors was observed.

All works contracts

MM6 – Adopting Non-dredge Method for the Reclamation

Not applicable during the reporting period.

NA

MM9 – Providing Natural Rock Material/ Planting for Artificial Seawall

Rock armour reused and construction of eco-shoreline (mangrove eco-shoreline, rocky eco-shoreline and vertical eco-shoreline) in progress.  The implementation of mitigation measures was checked by ET during weekly site inspection.  Implementation of the measures by Contractors was observed.

Contract 1

MM10 – Compensatory Planting

Not applicable during the reporting period.

NA

MM11 – Woodland Restoration

The implementation of mitigation measures was checked by ET during weekly site inspection.  Implementation of the measures by Contractors was observed.

Contract 2

MM12 – Screen Planting

Not applicable during the reporting period.

NA

MM13 – Roadside Planting

Not applicable during the reporting period.

NA

MM14 – Aesthetic Design of Built Development

Not applicable during the reporting period.

NA

MM15 – Maximise Greening on Structures

Not applicable during the reporting period.

NA

MM16 – Noise Barrier Design

Not applicable during the reporting period.

NA

MM18 – Landscaping on Slopes

Not applicable during the reporting period.

NA

MM20 – Lighting Control

The implementation of mitigation measures was checked by ET during weekly site inspection.  Implementation of the measures by Contractors was observed.

All works contracts

Table 2.10    Monitoring Programme for Landscape and Visual

Stage

Monitoring Task

Monitoring Report

Form of Approval

Frequency

Design

Monitoring of design works against the recommendations of the landscape and visual impact assessments within the EIA should be undertaken by the Engineer and Landscape Architect, to ensure that they fulfil the intentions of the mitigation measures.  Any changes to the design, including design changes on site should also be checked

Report by CEDD / ER confirming that the design conforms to requirements of EP.

Approval by Project Proponent

At completion of design stage

Construction

Monitoring of the contractor’s operations during the construction period.

Report on Contractor's compliance by ET

Counter-signature of report by IEC

Monthly

Establishment Works

Monitoring of the planting works during the 24-months Establishment Period after completion of the construction works.

Report on Contractor's compliance by ET

Counter-signature of report by IEC

Bi-monthly


2.11    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.

2.12    SUMMARY OF COMPLAINTS, NOTIFICATION OF SUMMONS AND SUCCESSFUL PROSECUTIONS

There was no notification of summons or prosecution recorded in the reporting period. 

One (1) environmental complaint related to Contract 1, One (1) environmental complaint related to Contract 2 and Two (2) environmental complaints related to Contract 3.  Investigations were conducted for the environmental complaints in accordance with the complaint handling process as stated in the Complaint Management Plan.  Environmental complaints in the reporting period are summarized below.

 

Complaint(s)

Investigation/Follow up action(s)

1

 

Environmental complaint related to Contract 1 regarding noise and dust nuisance from the demolition site next to the Visionary Town No. 3 was recorded on 10 May 2024 and referred by EPD on 13 May 2024.

Based on the information provided by the Contractor, demolition of Contract 1 site office was carried out at the concerned area.  With confirmation from RSS, it is stated that all works were conducted within non-restricted hours and no breaking was conducted during demolition work to minimize noise generated.  Hydraulic crasher was used as an alternative.  Continuous water spraying was applied and temporary dust screen was erected along the site boundary to minimize dust nuisance.  Nevertheless, the Contractor confirm that moveable noise barrier will be erected during demolition of transformer room in next stage to reduce noise generated from concrete breaking.   

2

Environmental complaint related to Contract 3 regarding noise near the MTRC Traction Station at Man Tung Road was referred by EPD on 16 May 2024.

Based on the information provided by the Contractor, emergency work was conducted for road subsidence.  The Contractor submitted an Emergency Work Record during restricted hours to EPD on 3 May 2024.  A joint site inspection between Contractor and EPD was conducted on 10 May 2024 and no further comment was received.  The complaint case was also reported to HKPF and the authority acknowledged the needs for restricted hours of emergency work in view of public safety on 3 May 2024.  No further comment was received after record checking.  Since the complaint case was due to emergency work for repairing the public work regarding the safety issue, no follow-up action was required.   

3

Environmental complaint related to Contract 2 regarding noise near Ling Liang Church Sau Tak Primary School at Man Tung Road was referred by EPD on 16 May 2024.

Based on the information provided by the Contractor with confirmation from RSS, no construction work at the concerned area was conducted during restricted hours.  Nevertheless, the Contractor had implemented noise mitigation measures such as wrapping sound insulation materials around breaker tip and erected noise barrier along site boundary to minimize noise nuisance.    

4

Environmental complaint related to Contract 3 regarding dust at Ying Hei Road (South) was referred by EPD on 24 May 2024.

Based on the information provided by the Contractor with confirmation by RSS, water trucks and road sweepers have been deployed to clean Ying Hei Road (between Ying Tung Road and Yi Tung Road) for dust control.  Wheel washing facilities were also installed and operated at the exit gate of TCE reclamation area for a thorough cleanse of car wheel before leaving the site.  The dirt mentioned was likely caused by wear and tear of road pavement.  Nevertheless, the Contractor would review the effectiveness of the mitigation measures and introduce enhancement as necessary.

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

 


3.         Future Key Issues

3.1       Construction Programme for the Coming Month

Works to be undertaken in the next monitoring period of June 2024 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

•    Defect correction work at Seawall and Box Culvert.

•    Installation of security gate and fence at Seawater Intake

•    Reinstatement at Berth No. 1

·       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

·       Potential surface runoff

·       Noise from plant operation during normal working hours or restricted hours

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

·       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

·       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

·       Construction of pumping station at Portion 6

·       Construction of service reservoir and TMF mainlaying at Portion 3

·       CLP cable duct laying works at Wong Lung Hang at Portion 3

·       Watermain laying works at Portion 3 along Chung Yan Road, Man Tung Road, Yu Tung Road Planter, Tung Chung Road and inside WSD facilities

·       Watermain laying works at Yi Tung Road at Portion 4

·       Manhole construction and pipe laying 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

·       Excavation and ELS works at Portion 104

·       Excavation and ELS works at CUT no.1, 2, 3, 4 and supporting building

·       Construction works for CUT no. 1 structure

·       Back-filling works for CUT 2

·       Construction works and furniture installation of PM office at WA9

·       Construction works of Contractor office at WA6

·       Drainage, Sewerage and watermain works at Road L4, L3, L5, L8, L9 and Portion 16

·       DCS works at Road L4 and L3.

·       Pipe laying works for twin rising mains/ watermain laying at Man Tung Road

·       Preparation and pipe jacking works at Ying Tung Road

·       Pipe jacking works at Yi Tung Road

·       Foundation and backfilling works for noise barrier at Portion 11

·       Road and drainage works in Road P1

·       Road widening works at Ying Hei Road

·       Road D4, Road L7, ELS installation

 

·       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

·         Open cut excavation, backfilling and pipe laying for rising main and watermain at Portion 146-1 to 146-14

·         Laying subbase and asphalt for temporary haul road along 146-1 to 146-14

·         Pak Mong bridge I-beam erection set up

·         Trench excavation and pipe laying works at Portions 32 (Sham Shui Kok Drive) and Portion 38

·         Trench excavation and pipe laying works at Portion 32 (Access Road adjacent to MTRC Siu Ho Wan Depot)

·         Backfilling at Portion 33 and 34

·         Establishment of pipe jacking works at Portion 33

·         ELS and grout curtain at Portion 32 for Receiving pit

·         RC construction of retaining walls FR1

·         RC works for Pak Mong Subway Extension Phase 1

·         Preparation works for falsework at casting yard A1 and A2

·         ELS at A1a and A2b

·         RC for RW-R2, RW-R3 and RW-R4 at Portion 146-2 to 146-4

·         RC construction at RW-R7 at Portion 31

·         Pile Load test and Mini-piles at Wall E

·         Predrill works at Wall D

·         Bored piles at Bridge C Portion 146-12

·         U channel and chain link fence construction at Portion 147-1 and 147-2

·         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

·       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


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 June 2024 are provided in Annex L.


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 31 May 2024 in accordance with the Updated EM&A Manual and the requirements of the Environmental Permit (EP-519/2016).

Air quality (1-hour TSP), noise, eco-shoreline, in-situ preserved plant species of conservation importance and transplanted plant species of conservation importance were carried out in the reporting period. 

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

No exceedance of Limit Level was recorded for construction noise monitoring in the reporting period.  However, one (1) Action Level was triggered from one (1) environmental complaint related to noise nuisance in the reporting period.

Water quality monitoring was suspended in the reporting period.

Mangrove eco-shoreline, rocky eco-shoreline and vertical eco-shoreline were completed.  Wet season monitoring was conducted during the reporting period.

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

No compensation woodland monitoring was carried out in the reporting month.

Monitoring of the in-situ preserved plant species of conservation importance and monitoring of the transplanted plant species of conservation importance were carried out in 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 notification of summons or prosecution recorded in the reporting period.  One (1) environmental complaint related to Contract 1, one (1) environmental complaint related to Contract 2 and two (2) environmental complaints related to Contract 3.  Investigations were conducted for the environmental complaint in accordance with the complaint handling process as stated in the Complaint Management Plan.

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

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

([3])   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.

([4])   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.