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Contents
2.1.1 Monitoring Requirements and Equipment
2.1.2 Monitoring Schedule for the Reporting Month
2.1.3 Results and Observations
2.2.1 Monitoring Requirements and Equipment
2.2.2 Monitoring Schedule for the Reporting Month
2.2.3 Results and Observations
2.5.1 Preserved Plant Species of Conservation Importance
2.5.2 Transplanted Plant Species of Conservation Importance
2.7 Soft Shore Ecological Monitoring
2.10 LANDSCAPE AND VISUAL MONITORING
2.11 IMPLEMENTATION STATUS OF ENVIRONMENTAL MITIGATION MEASURES
2.12 SUMMARY OF COMPLAINTS, NOTIFICATION OF SUMMONS AND SUCCESSFUL PROSECUTIONS
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 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 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 J3 event and action plan
ANNEX K Landscape and Visual Monitoring
ANNEX K1 Examples of Landscape and Visual Mitigation Measures
ANNEX K2 Event and Action Plan for Landscape and Visual Mitigation Measures
ANNEX M Monitoring Schedule for the Next Reporting Period
List of Tables
Table 1.1 Contact Information of Key Personnel
Table 1.2 Major Activities in the Reporting Period
Table 1.3 Summary of Status for the Environmental Aspects under the Updated EM&A Manual
Table 2.1 Action and Limit Levels for 1-hour TSP
Table 2.2 Air Quality Monitoring Details 11
Table 2.3 Summary of 1-hour TSP Monitoring Results in the Reporting Period
Table 2.4 Action and Limit Levels for Construction Noise
Table 2.5 Noise Monitoring Details
Table 2.6 Summary of Construction Noise Monitoring Results in the Reporting Period
Table 2.7 Summary of Qualitative Walk-through Surveys
Table 2.8 Results of Sedimentation Rate Monitoring
Table 2.9 Key Observations Identified during the Site Inspection in this Reporting Month
Table 2.10 Quantities of Different Waste Generated and Imported Fill Materials
Table 2.11 Implementation Status of Landscape and Visual Mitigation Measures
LIST OF FIGURES |
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MARINE ECOLOGICAL MONITORING (INTERTIDAL SOFT-SHORE HABITATS) |
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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 |
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 30 June 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 5 sessions
Noise Monitoring 5 sessions
Compensation Woodland Monitoring 1 session
Preserved Plant Species Monitoring 1 session
Transplanted Plant Species Monitoring 1 session
Soft Shore Ecological Monitoring 1 session
Environmental Site Inspection
· Contract 1 4 sessions
· Contract 2 4 sessions
· Contract 3 3 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.
No exceedance of Action and Limit Levels was recorded for construction air quality monitoring in the reporting period.
No exceedance of Action/Limit Levels was recorded for construction noise monitoring in the reporting period.
Water quality monitoring was suspended in the reporting period.
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.
Based on the post-construction monitoring conducted during the reporting period, there was no evidence showing any significant difference in intertidal communities when compared against the data obtained during baseline monitoring. The ET will continue to observe the change in density or the distribution pattern of horseshoe crab, seagrass and intertidal soft shore communities taking into account natural fluctuation in respect of the occurrence and distribution pattern.
There was no notification of summons or prosecution recorded in the reporting period.
One (1) environmental complaint related to Contract 3 was received in the reporting period. Investigation weas conducted for the environmental complaint in accordance with the complaint handling process as stated in the Complaint Management Plan.
There was no reporting change in the reporting period.
Potential environmental impacts arising from the upcoming construction activities in the next reporting period of July 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.
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.
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 30 June 2024 for the construction works.
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 |
|
Inspector of Works |
Clement Fan |
3894 9798 |
|
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) |
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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) |
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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 |
Jessie Tang |
3894 9678 |
|
Senior Inspector of Works |
C K Liu |
3894 9733 |
|
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 |
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 |
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· 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 Intake Culvert 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 |
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· 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 |
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· 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 environmental mitigation implementation schedule is presented in Annex B.
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 20 and 11 June 2024 (for Contracts 1 and 7) and 19 June 2024 (for
Contracts 2 and 3);
• Environmental toolbox
trainings on 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 and
chemical handling on
5, 7, 12, 14, 19, 21, 26 and 28 June 2024 were conducted for Contract 1;
• Environmental toolbox trainings on cement debegging and mixing, environmental abatement facilities on 4 and 18 June 2024 were conducted for Contract 2;
• Environmental toolbox trainings on waste collection, handling and disposal, handling and storage of chemicals, chemical waste and handling of chemical spillage, site plant and machinery (operation and maintenance), maintenance of site access, site boundary and haul roads, protection and preservation of trees, anti-mosquitos control measures, and ground investigation on 4, 6, 11, 13, 18, 20, 25 and 27 June 2024 were conducted for Contract 3;
• Environmental toolbox trainings on environmental abatement facilities, environmental in-house rules, construction dust and suppression, construction noise and suppression on 5, 12, 19 and 26 June 2024 were conducted for Contract 7.
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.
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.
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 |
6, 12, 18, 24 and 29 June 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).
The schedule for air quality monitoring during the reporting period is provided in Annex E2.
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 |
52 |
32-77 |
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.
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 |
6, 12, 18, 24 and 29 June 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.
The schedule for noise monitoring during the reporting period is provided in Annex F2.
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), |
Range, dB(A), Leq (30mins) |
Limit Level, dB(A), Leq (30mins) |
NMS-CA-1A |
66.1 |
65.1-67.6 |
75 |
NMS-CA-4 |
68.7 |
68.2-69.4 |
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 Action/Limit Level exceedance was recorded for construction noise monitoring 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.
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.
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. Quarterly post-planting monitoring for the compensation woodland was carried out on 12, 17, 22 and 28 June 2024. Photographic record of the compensation woodland planting is provided in Annex G.
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.
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 24 June 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.
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 25 June 2024 and it was in fair health condition. Sign of pest infestation was observed on tree crown, and application of pesticide was recommended by the QP. 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.
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 17, 18, 19 and 25 June 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 27 June 2024 while monitoring of juvenile fish was conducted on 12 and 13 June 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.
Post-construction soft shore ecological monitoring was conducted at three (3) monitoring locations at Tung Chung Bay (TCB), situated in the eastern side (TCB1), southern side (TCB2) and western side (TCB3) as well as one (1) monitoring location at Tai Ho Wan (THW) as shown in Figure 2.3 during the reporting period. Representative photographs taken during the impact monitoring are presented in Figure 2.4.
For qualitative walk-through surveys, horseshoe crabs and intertidal soft shore communities were recorded during the post-construction monitoring. The survey results for each monitoring location are summarized in Table 2.7 below and detailed in Annex J2.
Table 2.7 Summary of Qualitative Walk-through Surveys
Location |
Date and Time a |
Horseshoe Crabs |
Seagrass |
No. of Other Intertidal Species |
||
No. of Species |
No. of Individuals |
No. of Species |
Area Coverage (m2) |
|||
TCB3 |
04/06/2024 12:00-14:00 & 21/06/2024 15:30-17:30 |
1 |
21 |
1 |
113.9 |
34 |
TCB2 |
05/06/2024 13:00-16:00 |
1 |
2 |
- |
- |
34 |
THW |
20/06/2024 12:30-15:30 |
1 |
52 |
- |
- |
32 |
TCB1 |
21/06/2024 12:30-15:30 |
2 |
10 |
- |
- |
36 |
Note:
a Quantitative and qualitative transect surveys were conducted on 4 June 2024 at TCB3, 5 June 2024 at TCB2, 20 June 2024 at THW, and 21 June 2024 at TCB1 and TCB3.
For the quantitative transect surveys, a total of 8,478 individuals were recorded from all transects at monitoring stations TCB1, TCB2, TCB3 and THW. The most abundant group of intertidal soft shore communities recorded was gastropods, with a total of 8,342 individuals (relative abundance of 98.4% and density of 556.1 individual m-2). The summary of the top three dominant species at each shore height of each monitoring station and the complete list of species and density recorded are presented in Annex J2. When compared with the results obtained during the baseline monitoring as presented in the Baseline Monitoring Report [5], there was no indication of a change in the composition of intertidal communities recorded during the reporting period.
The mudflat surface levels at the four selected monitoring stations in June 2024 and the corresponding XYZ HK1980 GRID coordinates are presented in Table 2.8. When compared with the results obtained during the baseline monitoring as presented in the Baseline Monitoring Report, slight changes with <0.07 mPD of sediment levels are recorded for the monitoring stations. The ET will continue to observe the trend of change in sediment levels over time for further comparison and review.
Table 2.8 Results of Sedimentation Rate Monitoring
Monitoring Station |
Northing (m) |
Easting (m) |
Z level at June 2024 (mPD) |
Remarks |
TCB1 |
816068.661 |
811129.288 |
1.255 |
Soft mudflat |
TCB2 |
815812.744 |
810917.375 |
1.069 |
Soft mudflat |
TCB3 |
816027.398 |
810696.237 |
1.058 |
Soft mudflat |
THW |
817472.031 |
815850.353 |
1.085 |
Soft mudflat |
Based on the post-construction monitoring results, there was no evidence showing any significant difference in intertidal communities when compared against the data obtained during baseline monitoring. No action is thus required to be undertaken in accordance with the Event and Action Plan presented in Annex J3. The ET will continue to observe the change in density or the distribution pattern of horseshoe crab, seagrass and intertidal soft shore communities taking into account natural fluctuation in respect of the occurrence and distribution pattern.
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 6. 13. 20 and 27 June 2024 for Contract 1, four (4) site inspections were carried out on 5, 12, 19 and 26 June 2024 for Contract 2, three (3) site inspections were carried out on 7, 19 and 28 June 2024 for Contract 3 and four (4) site inspections were carried out on 4, 11, 18 and 25 June 2024 for Contract 7. Site inspection for Contract 3 on 14 June 2024 was cancelled due to issue of Red Rainstorm Warning Signal and Thunderstorm Warning by the Hong Kong Observatory.
Key observations during the site inspections are summarized in Table 2.9.
Table 2.9 Key Observations Identified during the Site Inspection in this Reporting Month
Contract No. |
Inspection Date |
Environmental Observations |
Recommendations/ Remarks |
Contract 1 |
6 and 13 June 2024 |
Berth No. 1 • No deficiency was observed. |
• Nil. |
20 June 2024 |
Interim Open Rectangular Channel (IORC) • No deficiency was observed. |
• Nil. |
|
Berth No. 1 • No deficiency was observed. |
• Nil. |
||
Contract 2 |
5 June 2024 |
Portion 3 • Drainage blockage was observed.
• Tree protection was not observed.
Portion 3, 6 • Chemical containers were observed placing on the ground.
|
Portion3 • The Contractor was urged to critically review the drainage system and keep the drainage system clean. • The Contractor was reminded to provide proper tree protection to retained trees.
Portion 3, 6 • Contractor was reminded to provide drip tray for chemicals. |
12 June 2024 |
Portion 3 • Insufficient drainage control was observed. |
Portion 3 • The Contractor was urged to critically review the drainage / water divert system and the discharge license arrangement at Wong Lung Hang as the site condition had been changed significantly to prevent runoff. |
|
19 June 2024 |
Portion 3 • Insufficient drainage control was observed.
Portion 6 • Chemical containers were observed placing on the ground. |
Portion 3 The Contractor was urged to critically review the drainage / water divert system and the discharge license arrangement at Wong Lung Hang as the site condition had been changed significantly to prevent runoff.
Portion 6 • Contractor was reminded to provide drip tray for chemicals. |
|
26 June 2024 |
Portion 3 • Construction waste was observed placing next to retained trees.
Portion 6 • Chemical containers were observed placing on the ground. |
Portion 3 • The Contractor was reminded to remove the construction waste and provide proper tree protection to retained trees.
Portion 6 • Contractor was reminded to provide drip tray for chemicals.
|
|
Contract 3 |
7 June 2024 |
Portion 16b • Stagnant water in drip tray was observed. |
Portion 16b • The Contractor was reminded to remove the stagnant water in drip tray to prevent chemical spillage. |
19 June 2024 |
Haul Road • Dusty haul road was observed.
Site Exit • Muddy public road was observed.
Portion 104 • Chemical container was observed placing on the ground. |
Haul Road • The Contractor was reminded to provide adequate dust mitigation measures, such as watering.
Site Exit • The Contractor was reminded to keep the public road clean and make sure vehicles are properly washed before leaving the site.
Portion 104 • The Contractor was reminded to provide drip tray for chemical to avoid spillage. |
|
28 June 2024 |
Portion 104, TTA • No deficiency was observed |
• Nil. |
|
Contract 7 |
4 June 2024 |
Portion 146 • No deficiency was observed. |
• Nil. |
11 June 2024 |
Portion 32 • Chemical container was observed placing on the ground. |
Portion 32 • The Contractor was reminded to place the chemical container in drip tray. |
|
18 June 2024 |
Portion 32 • Oil stain was observed on ground. |
Portion 32 • The Contractor was urged to clean the oil stain and rectify the situation immediately. |
|
25 June 2024 |
Portion 34, 146 • No deficiency was observed. |
• Nil. |
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.
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 2.10.
Table 2.10 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 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 |
|
1 to 30 Jun 24 |
0.0 |
0.0 |
0.0 |
1,755.0 |
285.9 |
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.
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 2.11. Examples of landscape and visual mitigation measures are presented in Annex K1. The monitoring programme for detailed design, construction and establishment stages is presented in Table 2.12. Event and Action Plan for Landscape and Visual impacts is stated in Annex K2.
Table 2.11 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
|
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 2.12 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 |
A summary of the Environmental Mitigation Implementation Schedule is presented in Annex B. The necessary mitigation measures were implemented properly for the Project.
There was no notification of summons or prosecution recorded in the reporting period.
One (1) environmental complaint related to Contract 3. Investigation was conducted for the environmental complaint 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 3 regarding noise nuisance from the construction site near Ying Tung Estate facing the mountain side at 2-3am was recorded on 12 May 2024 and referred by EPD on 5 June 2024. |
Based on the information provided by the Contractor with confirmation from RSS, no construction works were conducted at the complained time period from 6 to 12 May 2024. Permit to work system under restricted hours was implemented in the granted Construction Noise Permit GW-RS0253-24. In addition, Ying Tung Estate was located next to multiple project sites, which could also be potential contributors to the mentioned noise. Nevertheless, the Contractor conveyed the complaint case to frontline workers in morning brief and reminded them to strictly follow the Construction Noise Permit for works during restricted hours . |
Statistics on complaints, notifications of summons, successful prosecutions are summarised in Annex L.
Works to be undertaken in the next monitoring period of July 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 |
||
• Removal of siltation at IORC • Installation of security gate and fence at Seawater Intake
|
· 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 Intake Culvert at Portion 6 · Construction of service reservoir, TMF mainlaying at Portion 3 · CLP cable duct laying works at Wong Lung Hang at Portion 3 · Watermain laying works at Portion 3 along 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 · Construction of T-Junction in Yi Tung Road at Portion 5
|
· 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, insitu construction of abutment and diaphragm · 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) · Establishment of pipe jacking works at Portion 33 · ELS and grout curtain at Portion 32 for Receiving pit · RC construction of retaining walls FR1 · Pak Mong Subway Extension Phase 1 Temporary Pedestrian Diversion · Preparation works for falsework at casting yard A1 and A2 · ELS at A1a and A2b · RC for RW-R1, RW-R2, RW-R3 and RW-R4 at Portion 146-2 to 146-4 · RC construction at RW-R7 at Portion 31 · RC works at Wall E · Mini-piles 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.
The tentative schedules for environmental monitoring in July 2024 are provided in Annex M.
This EM&A Report presents the findings of the EM&A activities undertaken for the TCE Project during the period from 1 to 30 June 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, compensation woodland, in-situ preserved plant species of conservation importance, transplanted plant species of conservation importance and post-construction soft shore ecological monitoring 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 Action/Limit Level was recorded for construction noise monitoring 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.
Based on the monitoring results for post-construction soft shore ecological monitoring, there was no evidence showing any significant change in intertidal communities when compared against the data obtained during baseline monitoring. The ET will continue to observe the change in density or the distribution pattern of horseshoe crab, seagrass and intertidal soft shore communities taking into account natural fluctuation in respect of the occurrence and distribution pattern.
Post-planting monitoring of the compensation woodland 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 3. Investigation was 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.