Executive Summary

ES.01. This is the 4^th Quarterly EM&A Summary Report for the “Tuen Mun - Chek Lap Kok Link - Northern Connection Toll Plaza and Associated Works” under Environmental Permit No. EP-354/2009/D (hereinafter ‘‘the EP’’), covering the period from 1 August to 31 October 2015 (hereinafter “Reporting Period”).

Environmental Monitoring and Audit Activities

ES.02. Environmental monitoring activities under the EM&A programme in the Reporting Period are summarized in the following table.

Environmental Aspect	Environmental Monitoring Parameters / Inspection	Total Occasions
Air Quality	1-hour TSP	450
Air Quality	24-hour TSP	150
Cultural heritage inspection	Grave G1	13
Landfill Gas Monitoring	Oxygen; Methane & Carbon Dioxide	75 days
Landscape &Visual	Landscape &Visual Monitoring	13
Joint Site Inspection / Audit	IEC, ET, the Contractor and RE joint site Environmental Inspection and Auditing	13

Breaches of Action/Limit levels

ES.03. In the Reporting Period, no exceedance was recorded for the measured parameter under the Contract. The summary of breach of monitoring performance is shown below.

Environmental Aspect	Monitoring Parameters	Action Level	Limit Level	Event & Action
Environmental Aspect	Monitoring Parameters	Action Level	Limit Level	NOE Issued	Investigation	Corrective Actions
Air Quality	1-hour TSP	0	0	0	0	0
Air Quality	24-hour TSP	0	0	0	0	0
Landfill Gas Monitoring	Oxygen	0	0	0	0	0
	Methane	0	0	0	0	0
	Carbon Dioxide	0	0	0	0	0

Environmental Complaint

ES.04. In the Reporting Period, two (2) environmental complaints were received on 3 August and 2 September 2015 regarding the soil/ muddy water caused by frequent dump trucks in Lung Mun Road and River Trade Terminal and milky water discharged from the drainage outlet near the Butterfly Beach, Tuen Mun. Investigation for the complaints has been conducted by the ET and the corresponding investigation reports for the complaint have been submitted to relevant parties.

Notification of Summons and Successful Prosecutions

ES.05. No environmental summons or successful prosecutions were recorded in the Reporting Period.

Reporting Changes

ES.06. No reporting changes were made in the Reporting Period.

Future key issues

ES.07. Druing dry season, air quality mitigation measures such as watering of site area for 12 times per day and covering of exposed slopes should be fully implemented to reduce construction dust impact as recommended in the EMIS.

ES.08. Moreover, muddy water or other water pollutants from site surface runoff into the public areas will be key environment issue. Special attention should be paid on the water quality mitigation measures to prevent surface runoff flow to public area.

ES.09. It was reminded that good housekeeping practice should be maintained. Mosquito control measures should be properly implemented to prevent mosquito breeding on site especially after rain.

Table of Contents

1. Introduction 1

1.1. Project Background 1

1.2 Report Structure 1

2 Contract Organization and Construction progress 2

2.1 Contract Organization 2

2.2 Construction Progress 2

2.3 Summary of Environmental Submissions 2

3 Summary of Impact monitoring Requirements 4

3.1 General 4

3.2 Air Quality Monitoring 4

3.3 Monitoring Locations 4

3.4 Monitoring Frequency 4

3.5 Monitoring Equipment 5

3.6 Derivation of Action/Limit (A/L) Levels 6

3.7 Other Environmental Aspects 6

4 Air Quality Monitoring 8

4.1 General 8

4.2 Summary of Monitoring Results 8

4.3 Action and Limit (A/L) Levels Exceedance 8

5 Ecology Monitoring 9

5.1 General 9

5.2 Pitcher Plants Inspection 9

6 CULTURAL HERITAGE 10

6.1 General 10

6.2 Grave Inspection 10

7 Landscpae and Visual 11

7.1 General 11

7.2 Landscape and Visual Inspection 11

8 Landfill Gas Hazard Monitoring 12

8.1 General 12

8.2 Landfill Gas Monitoring Result 12

9 Waste Management 14

9.1 General Waste Management 14

9.2 Records of Waste Quantities 14

10 Site Inspections 15

10.1 requirements 15

11 Environmental Complaint and Non-compliance 19

11.1 Environmental Complaint, Summons and Prosecution 19

12 Implementation Status of Mitigation Measures 20

12.1 General Requirements 20

13 Conclusions and Recommendations 21

13.1 Conclusions 21

13.2 Recommendations 21

List of tables

Table 2-1 Status of Environmental Licenses and Permits of the Contracts

Table 3-1 Air Quality Monitoring Stations under the Contract

Table 3-2 Enhanced TSP Monitoring Plan – Construction Phase

Table 3-3 Action and Limit Levels for Impact Air Quality Monitoring

Table 4-1 Summary of Air Quality Monitoring Exceedance

Table 8-1 Summary of Landfill Gas Measurement Results in Reporting Period

Table 9-1 Summary of Quantities of Inert C&D Materials

Table 9-2 Summary of Quantities of C&D Wastes

Table 10-1 Site Observations for the Contract for the Reporting Period

Table 10-2 Summary of Reminders/Observations of Site Inspection

Table 11-1 Statistical Summary of Environmental Exceedance

Table 11-2 Statistical Summary of Environmental Complaints

Table 11-3 Statistical Summary of Environmental Summons

Table 11-4 Statistical Summary of Environmental Prosecution

Table 12-1 Environmental Mitigation Measures

List of Annexes

Appendix A Layout plan of the Project

Appendix B Layout plan of the Contract

Appendix C Environmental Management Organization Chart

Appendix D Master Construction Programme for

Appendix E Monitoring Locations / Sensitive Receivers for the Contract

Appendix F Event and Action Plan

Appendix G Landfill Gas Monitoring Graphical Plots

Appendix H Waste Flow Table

Appendix I Implementation Schedule for Environmental Mitigation Measures

1. Introduction

1.1. Project Background

1.1.1. CRBC-Kaden Joint Venture (hereafter “CRBC-Kaden JV”) is commissioned by the Highways Department (HyD) as the Main Contractor of the Contract No. HY/2013/12 – Northern Connection Toll Plaza and Tunnel Section ((hereafter “the Contract”) and this Contract is part of the Tuen Mun – Chek Lap Kok Link (TM-CLK Link Project). The TM-CLK Link Project is a designated project under Environmental Permit number EP-354/2009D issued on 13 March 2015. The layout Plan of the Project and the Contract are showed in Appendix A and B respectively.

1.1.2. The construction works of the Contract mainly include:-

a. construction of an approximately 5.4 hectares toll plaza and an associated footbridge;

b. construction of associated carriageways including approximately 0.74 kilometre land viaducts, and an approximately 230 metres vehicular underpass to connect the toll plaza and the roundabout at Lung Mun Road/Lung Fu Road;

c. site formation for the construction of the toll plaza, including associated slope works and natural terrain hazard mitigation measures;

d. modification and realignment of the existing Lung Mun Road and Lung Fu Road; and

e. associated waterworks, drainage, sewerage and landscaping works, etc..

1.1.3. Action-United Environmental Services & Consulting has been commissioned as an Independent ET to implement the relevant EM&A program in accordance with the approved EM&A Manual, as well as the associated duties.

1.1.4. This is the 4^th Quarterly EM&A Summary Report covering the period from 1 August to 31 October 2015.

1.2 Report Structure

1.2.1 The Monthly Environmental Monitoring and Audit (EM&A) Report is structured into the following sections:-

Section 1 Introduction

Section 2 Contract Organization and Construction Progress

Section 3 Summary of Impact Monitoring Requirements

Section 4 Air Quality Monitoring

Section 5 Ecology Monitoring

Section 6 Cultural Heritage

Section 7 Landscape and Visual

Section 8 Landfill gas hazard Monitoring

Section 9 Waste Management

Section 10 Site Inspections

Section 11 Environmental Complaints and Non-Compliance

Section 12 Implementation Status of Mitigation Measures

Section 13 Conclusions and Recommendations

2 Contract Organization and Construction progress

2.1 Contract Organization

2.1.1 The Contract organization and contact details of key personnel are shown in Appendix C.

2.2 Construction Progress

2.2.1 In the Reporting Period, the major construction activity conducted under the Contract is summarized in below. Moreover, the master construction program is enclosed in Appendix D.

August 2015

Ÿ Instrumentation and Monitoring

Ÿ Site Formation – Retaining Structure for Slope TP_F, TP_G, TP_A and Associated Works, TP_B and Associated Works, TP_C and Associated Works, TP_D and Associated Works, TP_E and Associated Works and Upgrading Works

Ÿ Toll Plaza Decking TD1, TD2

Ÿ Toll Plaza Footbridge-Section 1

Ÿ Retaining Structure RW_B-Section 1, RW_A

Ÿ Bridge G1, G2,Bridge H1

Ÿ Sewer Culvert 1 (TBM) – Stage 4, Culvert 2 & Culvert 3 and Existing Box Culvert

Ÿ Natural Terrain Hazard Mitigation Measures

Ÿ Vehicular Underpass TN-01

Ÿ Road and Drainage Works for Lung Fu Road Roundabout

September 2015

Ÿ Instrumentation and Monitoring

Ÿ Toll Plaza Decking TD1, TD2

Ÿ Toll Plaza Footbridge-Section 1

Ÿ Retaining Structure RW_B-Section 1, RW_A

Ÿ Bridge G1, G2,Bridge H1

Ÿ Sewer Culvert 1 (TBM) – Stage 4, Culvert 2 & Culvert 3 and Existing Box Culvert

Ÿ Natural Terrain Hazard Mitigation Measures

Ÿ Vehicular Underpass TN-01

Ÿ Road and Drainage Works for Lung Fu Road Roundabout

October 2015

Ÿ Dismantling of HY/2012/04 Project Office at WA6

Ÿ Instrumentation and Monitoring

Ÿ Toll Plaza Decking TD1, TD2

Ÿ Toll Plaza Footbridge-Section 1

Ÿ Retaining Structure RW_B-Section 1, RW_A

Ÿ Bridge G1, G2,Bridge H1

Ÿ Sewer Culvert 1 (TBM) – Stage 4, Culvert 2 & Culvert 3 and Existing Box Culvert

Ÿ Natural Terrain Hazard Mitigation Measures

Ÿ Vehicular Underpass TN-01

Ÿ Road and Drainage Works for Lung Fu Road Roundabout

2.3 Summary of Environmental Submissions

2.3.1 In according to the EP, the required documents have submitted to EPD for retention which listed in below:

Ÿ Monitoring Plan on Construction Dust (submission refer to Contract HY/2012/08)

Ÿ Landscape and Visual Plan (not yet endorsed by EPD)

Ÿ Waste Management Plan (endorsed by EPD on 16 March 2015)

Ÿ Baseline Monitoring Report (not yet endorsed by EPD)

2.3.2 Summary of the relevant permits, licenses, and/or notifications on environmental protection for the Project of each contracts are presented in Table 2-1.

Table 2-1 Status of Environmental Licenses and Permits of the Contracts

No.	Type of Permit/ License	Submission Date	Reference/ License No.	Date of Issue	Date of Expiry
1	Air pollution Control (Construction Dust) Regulation	06-08-2014	377719	06-08-2014	N/A
2	Chemical Waste Producer Registration - Waste Producers Number	06-08-2014	5117422C389301	03-09-2014	N/A
3	Water Pollution Control Ordinance - Discharge License	13-08-2014	WT00020065-2014	29-09-2014	30-09-2019
4	Waste Disposal Regulation - Billing Account for Disposal of Construction Waste	21-07-2014	7020460	01-08-2014	N/A
5	CNP for Multiple Task	24-04-2015	GW-RW0225-15	13-05-2015	04-11-2015
6	CNP for MH5	05-05-2015	GW-RW0226-15	18-05-2015	17-11-2015
7	Permission to Transplant Pitcher Plant	15-6-2015	(30) in AF CON 11/13 pt.4	23-6-2015	22-12-2015
8	Variation of Effluent Discharge License	19-08-2015	Pending for approval

3 Summary of Impact monitoring Requirements

3.1 General

3.1.1 The major construction activities under the Contract are land-based and no marine work will be involved. In accordance with the Project EM&A Manual requirements, the environmental aspects under the Contract shall be included air quality, ecological, cultural heritage, landscape and visual, landfill gas and site inspection during construction period. In addition, audit of the contractor’s implementation of the construction noise and land-based water quality pollution control measures are also required for the Contract.

3.1.2 A summary of construction phase EM&A requirements are presented in the sub-sections below.

3.2 Air Quality Monitoring

3.2.1 The construction phase air quality monitoring shall cover the following parameters:

• 1-hour TSP; and

• 24-hour TSP

3.3 Monitoring Locations

3.3.1 The air quality monitoring stations for impact monitoring are listed in Table 3-1 and illustrated in Appendix E.

Table 3-1 Air Quality Monitoring Stations under the Contract

ID	Location	Air monitoring station Description
ASR1	Tuen Mun Fireboat Station	EM&A Manual
ASR5	Pillar Point Fire Station	EM&A Manual
AQMS1	Previous River Trade Golf	Enhanced TSP Level under EP condition 2.4
ASR6	Butterfly Beach Laundry	Enhanced TSP Level under EP condition 2.4
ASR10	Butterfly Beach Park	Enhanced TSP Level under EP condition 2.4

3.4 Monitoring Frequency

3.4.1 As per Condition 2.4 of the EP of TM-CLKL, an enhanced monitoring plan on TSP level at Tuen Mun (“the Enhanced TSP Monitoring Plan”) is required to be submitted to the DEP for approval at least 1 month before the commencement of construction of the Project. Details of the Enhanced TSP Monitoring Plan under Contract No. HY/2012/08 could be found from the project website. The air quality monitoring work under this Contract will follow the monitoring requirement of enhanced TSP monitoring under the project.

3.4.2 The air quality monitoring requirements for the Contract is summarized in Table 3-2.

Table 3-2 Enhanced TSP Monitoring Plan – Construction Phase

Condition	Monitoring Parameter	Monitoring Location	Frequency	Monitoring Requirement
General	1-hour TSP	ASR1, ASR5, AQMS1, ASR6, ASR10	3 times per day every six days	Throughout the Northern Connection, toll plaza and tunnel buildings construction works
General	24-hour TSP	ASR1, ASR5, AQMS1, ASR6, ASR10	Daily every six days
Special	1-hour TSP	ASR1, ASR5, AQMS1, ASR6, ASR10	3 times per day every three days	Northern Connection During excavation works for launching shaft, excavation work for Cut and Cover Tunnel and Cut and Cover Tunnel Construction Toll Plaza During excavation, slope works, construction of road and superstructures and wind erosion from open sites and stockpiling areas Tunnel Buildings During excavation, foundation works, construction of superstructures and wind erosion from open sites and stockpiling areas
Special	24-hour TSP	ASR1, ASR5, AQMS1, ASR6, ASR10	Daily every three days

3.5 Monitoring Equipment

3.5.1 The 24-hour and 1-hour TSP levels shall be measured by following the standard high volume sampling method as set out in the Title 40 of the Code of Federal Regulations, Chapter 1 (Part 50), Appendix B.

3.5.2 The filter paper of 24-hour TSP measurement shall be determined by HOKLAS accredited laboratory. A high volume sampler in compliance with the following specifications shall be used for carrying out the 1-hr and 24-hr TSP monitoring:

(i) 0.6-1.7 m3/min (20-60 SCFM) adjustable flow range;

(ii) equipped with a timing/control device with +/- 5 minutes accuracy for 24 hours operation;

(iii) installed with elapsed-time meter with +/- 2 minutes accuracy for 24 hours operation;

(iv) capable of providing a minimum exposed area of 406 cm2 (63 in²);

(v) flow control accuracy: +/- 2.5% deviation over 24-hr sampling period;

(vi) equipped with a shelter to protect the filter and sampler;

(vii) incorporated with an electronic mass flow rate controller or other equivalent devices;

(viii) equipped with a flow recorder for continuous monitoring;

(ix) provided with a peaked roof inlet;

(x) equipped with a manometer;

(xi) able to hold and seal the filter paper to the sampler housing in a horizontal position;

(xii) easy to change the filter; and

(xiii) capable of operating continuously for 24-hr period.

3.5.3 Calibration of dust monitoring equipment shall be conducted by the ET upon installation and in bi-monthly intervals during construction phase. The transfer standard shall be traceable to the internationally recognized primary standard and be calibrated annually. The calibration data shall be properly documented for future reference by concerned parties, such as the IEC. All the data shall be converted into standard temperature and pressure condition.

3.5.4 The filter paper of 24-hour TSP measurement shall be determined by HOKLAS accredited laboratory.

3.5.5 If the ET proposes to use a direct reading dust meter to measure 1-hr TSP levels on an ad hoc basis, he shall submit sufficient information to the IEC to prove that the instrument is capable of achieving a comparable result as that the High Volume Sampler (HVS) and may be used for the 1-hr sampling. The instrument should also be calibrated regularly and the 1-hr sampling shall be checked periodically by the HVS to check the validity and accuracy of the results measured by the direct reading method.

3.5.6 According to the Project EM&A Manual, wind data monitoring equipment shall also be provided and set up for logging wind speed and wind direction near the dust monitoring locations. The equipment installation location shall be proposed by the ET and agreed with the IEC. For installation and operation of wind data monitoring equipment, the following points shall be observed:

(i) the wind sensors should be installed on masts at an elevated level 10 m above ground so that they are clear of obstructions or turbulence caused by the buildings;

(ii) the wind data should be captured by a data logger to be down-loaded for processing at least once a month;

(iii) the wind data monitoring equipment should be re-calibrated at least once every six months; and

(iv) wind direction should be divided into 16 sectors of 22.5 degrees each.

3.6 Derivation of Action/Limit (A/L) Levels

3.6.1 The baseline monitoring results formed the basis for determining the air quality criteria for the impact monitoring. The ET shall compare the impact monitoring results with air quality criteria set up for 24-hour TSP and 1-hour TSP. Based on results of the approved Baseline Monitoring Report of HyD Contract HY/2012/08, the Action and Limit Levels for impact dust monitoring are shown in Tables 3-3.

Table 3-3 Action and Limit Levels for Impact Air Quality Monitoring

Air Quality Monitoring Stations	24-hour TSP (μg/m³)		1-hour TSP (μg/m³)
Air Quality Monitoring Stations	Action Level	Limit Level	Action Level	Limit Level
ASR1	213	260	331	500
ASR5	238	260	340	500
AQMS1	213	260	335	500
ASR6	238	260	338	500
ASR10	214	260	337	500

3.6.2 Should non-compliance of the environmental quality criteria occurs, remedial actions will be triggered according to the Event and Action Plan which presented in Appendix F.

3.7 Other Environmental Aspects

Noise

3.7.1 The TM-CLKL EIA study stated that no existing noise sensitive receiver (NSR) was identified within the Study Area at Tuen Mun. Therefore, no noise monitoring is required for the construction phase of the Contract.

3.7.2 Regular site inspections and audits will be carried out during the construction phase in order to confirm the construction works under the Contract comply with the regulatory noise requirements.

Water Quality

3.7.3 No marine works will be undertaken under the Contract. Therefore, no water quality monitoring is required for the construction phase of the Contract.

Ecology

3.7.4 No marine works will be undertaken under the Contract and generated marine ecological impact, no dolphin monitoring is required for the construction phase of the Contract.

3.7.5 During construction phase, the ET will perform Pitcher Plants inspection at least once every week to report the growth condition and protection measures.

Landscape and Visual

3.7.6 Measures to mitigate landscape and visual impact during construction should be checked and monitored by a Registered Landscape Architect to ensure compliance with the intended aims of the mitigation measures in accordance with the EM&A Manual.

Cultural Heritage

3.7.7 Grave G1 as a heritage resource is situated near the proposed toll plaza in Tuen Mun. Site inspections should be undertaken at least once per week throughout the construction period to ensure compliance with the intended aims of recommended mitigation measures.

Landfill Gas

3.7.8 During EIA study, landfill gas hazards are likely to be generated from the Pillar Point Valley (PPV) Landfill. Landfill gas monitoring is recommended during construction of the Contract to ensure the works area is free of landfill gas before the worker entered the concerned area.

4 Air Quality Monitoring

4.1 General

4.1.1 The air quality impact monitoring and enhanced Total Suspended Particulates (TSP) level monitoring at five proposed locations are currently carried out by the ET of Contract HY/2012/08. Sharing of impact air quality monitoring data between HY/2012/08 and HY/2013/12 is agreed by all relevant parties. The Contract is not required to conduct its own dust monitoring exercise until the Contract HY/2012/08 ends.

4.2 Summary of Monitoring Results

4.2.1 In the Reporting Period, 1- hour and 24-hour TSP monitoring at the five proposed locations are continued to perform by the ET of Contract HY/2012/08. Therefore, no air quality monitoring was conducted by the ET of Contract HY/2013/12. Details information of air quality monitoring results could be referred to the Monthly EM&A Reports of the Contract HY /2012 /08 (August 2015, September 2015 and October 2015).

4.3 Action and Limit (A/L) Levels Exceedance

4.3.1 According to the air quality monitoring result provided by Contract HY/2012/08, no exceedances in 1-hour and 24-hour TSP were recorded in the Reporting Period. No Notification on Exceedances (NOEs) was issued by the ET of Contract HY/2012/08. The summary of air quality exceedance in the Reporting Period is shown in Table 4-1.

Table 4-1 Summary of Air Quality Monitoring Exceedance

Date of Exceedance	Monitoring Station	Air Quality Parameter	Result	Exceed
NA	NA	NA	--	--

4.4 Air Quality Exceedance Investigation

4.4.1 No investigation for exceedance is required for the Reporting Period.

5 Ecology Monitoring

5.1 General

5.1.1 According to the EM&A Manual requirements, regularly inspection for Pitcher Plants at least once every week to report it growth and protection measure situation shall be conducted during construction period.

5.2 Pitcher Plants Inspection

5.2.1 In the Reporting Period, inspections for implementation status of mitigation measures for the Pitcher Plants were carried out by the ET on 4^th, 11^th, 18^th, 25^th August 2015 and 1^st, 8^th, 15^th, 22^nd, 29^th September 2015 and 6^th, 14^th, 20^th and 27^th October 2015 . Trial transplantation of pitcher plant from the nursery site to final receptor site was carried out on 15 April 2015 and transplantation of remaining 95% was carried out in 9^th and 10^th September 2015.

5.2.2 During weekly site inspection at the nursery zone before the transplantation to the receptor site, the transplanted Pitcher Plants in the nursery zone were observed in fair to poor condition. No construction activities were conducted nearby the nursery zone and the Pitcher Plants were protected properly. Moreover, no repair or maintenance is required for the protected facilities such as scaffold structure and chain link fence.

5.2.3 All the pitcher plant had been transplanted to the final receptor site which is located near Zone 9 and Zone 10. Random checking was performed for the protected areas Zones 8, 9 and 10 during the weekly site inspections. The Pitcher Plants at the protected areas was protected properly and the growth also was in fair to poor condition. Moreover, no construction activities were carried out nearby the protected areas of Pitcher Plants. The condition of chain link fence is good and no repair or maintenance is required.

6 CULTURAL HERITAGE

6.1 General

6.1.1 According to the EM&A Manual requirements, regular inspection for heritage resource, Grave G1, shall be audited by the ET at least once every week to ensure recommended mitigation measures implemented during construction period. The aim of the survey is to prevent any possible damage to the grave and to ensure the proposed mitigation measures are implemented. The broad scope of the audit will involve supervision of the following:

Ÿ Non-contact effects of the engineering works, such as vibration from pneumatic drills which could cause damage, such as foundation or wall cracks and loosening of tiles or fixtures; and

Ÿ Contact between the historic structures and equipment and materials associated with the engineering works.

6.1.2 Specifically, the monitoring programme will entail the following tasks:

Ÿ The extent of the agreed works areas should be regularly checked during the construction phase to ensure the buffer is being maintained; and

Ÿ Ensure no stockpiling or equipment storage is affecting the structure.

6.1.3 In the event of non-compliance the responsibilities of the relevant parties is detailed in the Event/ Action Plan in Appendix F.

6.2 Grave Inspection

6.2.1 In the Reporting Period, site inspection for the Grave G1 was undertaken on 4^th, 11^th, 18^th, 25^th August 2015 and 1^st, 8^th, 15^th, 22^nd, 29^th September 2015 and 6^th, 14^th, 20^th and 27^th October 2015. During site inspection, buffer zone between the working area and the Grave was maintained and no construction material or equipment was stored nearby the Grave.

6.2.2 Mitigation measures undertaken by the Contractor has fully implemented the EM&A Manual requirements.

7 Landscpae and Visual

7.1 General

7.1.1 According to EM&A Manual requirements, monitoring of Contractor’s operations during construction period to report on Contractor’s compliance should be carried out on weekly basis. Measure to mitigate landscape and visual impact during construction should be checked and monitored by a Registered Landscape Architect to ensure compliance with the intended aims of the mitigation measures. Moreover, the progress of the engineering works shall be regularly reviewed on site to identify the earliest practical opportunities for the landscape works to be undertaken.

7.2 Landscape and Visual Inspection

7.2.1 In the Reporting Period, site inspection for landscape and visual mitigation measures was undertaken by the Registered Landscape Architect on 7^th, 14^th, 21^st and 28^th August 2015 and 4^th, 11^th, 18^th, 25^th September 2015 and 2^nd, 9^th, 16^th, 23^rd and 30^th October 2015.

7.2.2 Most of the landscape works such as planting was not yet commenced. The detailed inspection checklists can be referred to the Monthly EM&A Reports (August 2015, September 2015 and October 2015) of the contract.

8 Landfill Gas Hazard Monitoring

8.1 General

8.1.1 During EIA study, landfill gas hazards are likely to be generated from the Pillar Point Valley (PPV) Landfill. Hence, regular landfill gas monitoring is recommended during construction of the proposed toll plaza.

8.1.2 During construction, a Safety Officer should be appointed to carry out the monitoring works. The monitoring frequency and areas to be monitored should be set down prior to commencement of ground-works either by the Safety Officer or an approved and appropriated qualified person. The routine monitoring should be carried out in all excavations, manholes, chambers, relocation of monitoring wells and any other confined spaces that may have been created. All measurements in excavations should be made with the extended monitoring tube located not more than 10 mm from the exposed ground surface. Monitoring should be performed properly to make sure that the area is free of landfill gas before any man enters in the area.

8.1.3 For excavations deeper than 1m, measurements should be carried out:

Ÿ at the ground surface before excavation commences;

Ÿ immediately before any worker enters the excavation;

Ÿ at the beginning of each working day for the entire period the excavation remains open; and

Ÿ periodically through the working day whilst workers are in the excavation.

8.1.4 For excavations between 300mm and 1m deep, measurements should be carried out:

Ÿ directly after the excavation has been completed; and

Ÿ periodically whilst the excavation remains open

8.1.5 For excavations less than 300mm deep, monitoring may be omitted, at the discretion of the Safety Officer or other appropriately qualified person.

8.1.6 To ensure the accuracy of the monitoring data, zeroing of the gas analyser shall be undertaken at the start of each day’s monitoring. As part of the QA/QC, calibration of the gas analyser shall be conducted at least once every two weeks according to the specification of the manufacturer’s operation manual.

8.2 Landfill Gas Monitoring Result

8.2.1 In the Reporting Period, landfill gas monitoring was conducted at the construction of Retaining Wall B and Retaining Wall F and the locations are illustrated in Appendix E. A BIOGAS 5000 gas analyser was used for the landfill gas monitoring.

8.2.2 There were total 75 workings days monitoring were carried by the Safety Officer or an approved and qualified persons in this reporting period. Table 8-1 is summarized landfill gas measurement results. Moreover, graphical plot are attached in Appendix G.

Table 8-1 Summary of Landfill Gas Measurement Results in Reporting Period

Landfill Gas Parameter	Action Level	Limit Level	Detectable at Retaining Wall B		Detectable at Retaining Wall F
Landfill Gas Parameter	Action Level	Limit Level	Min	Max	Min	Max
Methane	>10% LEL (>0.5% v/v)	>20% LEL (>1% v/v)	0%	0.2%	0%	0.2%
Oxygen	<19%	<18%	21.0%	21.1%	21.0%	21.1%
Carbon Dioxide	>0.5%	>1.5%	0%	0.2%	0%	0.2%

8.2.3 The measurement results shown that slightly methane concentration was detected and all oxygen concentration were over 21.0% and Carbon Dioxide was between 0 and 0.2 %. No corrective action was required accordingly.

9 Waste Management

9.1 General Waste Management

9.1.1 Waste management was carried out by an on-site Environmental Officer or an Environmental Supervisor from time to time.

9.2 Records of Waste Quantities

9.2.1 All types of waste arising from the construction work are classified into the following:

l Construction & Demolition (C&D) Material;

l Chemical Waste;

l General Refuse; and

l Excavated Soil.

9.2.2 Whenever possible, materials were reused on-site as far as practicable. The quantities of waste for disposal in the Reporting Period are summarized in Tables 9-1 and 9-2 and the Waste Flow Table is presented in Appendix H.

Table 9-1 Summary of Quantities of Inert C&D Materials

Type of Waste	Quantity			Disposal Location
Type of Waste	Aug 15	Sep 15	Oct 15	Disposal Location
Reused in this Project (Inert) (in '000 m³)	21.142	12.275	12.486	-
Reused in other Projects (Inert) (in '000 m³)	0	2.185	9.752	• Lam Tei Quarry • Eco Park K.wah Recycle Facilities • Lung Kwu Tan Tailor Recycled Aggregates • Laintang BCP • TM-CLKL C2
Disposal as Public Fill (Inert) (in '000 m³)	6.293	6.723	3.333	Tuen Mum Area 38

Table 9-2 Summary of Quantities of C&D Wastes

Type of Waste	Quantity			Disposal Location
Type of Waste	Aug 15	Sep 15	Oct 15	Disposal Location
Recycled Metal (in '000kg)	0	0	0	-
Recycled Paper / Cardboard Packing (in '000kg)	0	0	0	-
Recycled Plastic (in '000kg)	0	0	0	-
Chemical Wastes (in '000kg)	0	0	0	-
General Refuses (in '000m³)	0.08	0.013	0.038	WENT

9.2.3 To control the site performance on waste management, the Contractor shall ensure that all solid and liquid waste management works are fully in compliance with the relevant license/permit requirements, such as the effluent discharge license and the chemical waste producer registration. The Contractor is also reminded to implement the recommended environmental mitigation measures according to the Environmental Monitoring and Audit Manual.

10 Site Inspections

10.1 requirements

10.1.1 According to the approved EM&A Manual, the environmental site inspection shall be formulation by ET Leader. Weekly environmental site inspections should carry out to confirm the environmental performance.

10.1.2 During the Reporting Period, 13 events of the joint site inspections were undertaken to evaluate the site environmental performance. The summaries of the findings during site inspection are presented in Tables 10-1 and 10-2.

Table 10-1 Site Observations for the Contract for the Reporting Period

Date	Findings / Deficiencies	Follow-Up Status
4 August 2015	Ÿ Housekeeping should be improved at the works area near fire station. Also, sand bags and de-silting facilities should be provided to divert and treat the surface runoff before discharge from site.	Ÿ Housekeeping at the concerned works area was improved.
	Ÿ It was reminded that all discharge points should be maintained properly to prevent any discharge of turbid water.	Ÿ Not required for reminder.
	Ÿ It was reminded that water spraying should be increased for dusty construction activities to reduce dust impact.	Ÿ Not required for reminder.
11 August 2015	Ÿ Sand bags should be provided to prevent overflow of cumulated stagnant water into the storm water drainage.	Ÿ The cumulated stagnant water was cleared.
	Ÿ Free standing chemical containers without drip tray was observed. (Central Devider)	Ÿ Free standing chemical containers without drip tray were removed.
	Ÿ It was reminded that earth bund should be provided to divert the surface runoff to the de-silting facilities. Also, the de-silting facilities should be installed ASAP. (Works area near fire station)	Ÿ Not required for reminder.
18 August 2015	Ÿ Discharge of turbid water at the discharge point near site office was observed. The Contractor should improve the de-silting facilities and ensure the discharge water is complied with discharge license requirement.	Ÿ No turbidity water discharged from the de-silting facilities was observed.
18 August 2015	Ÿ Sediment cumulated inside the storm water drainage near gate 2 was observed, the Contractor was reminded to clear the sediment to aviod flushing from site during rainstorm.	Ÿ Not required for reminder.
25 August 2015	Ÿ Free standing chemical containers without drip tray was observed. (Retaining Wall B)	Ÿ Drip tray was provided for the oil drums.
	Ÿ It was reminded that dust mitigation measures should be provided for the temporary stock pile area to reduce dust impact.	Ÿ Not required for reminder.
	Ÿ It was reminded that Sediment cumulated inside the discharge point should be cleaned more frequency.	Ÿ Not required for reminder.
1 September 2015	Ÿ Earth bund or sand bags should be provided for the manhole to prevent loose material discharge into the storm water system. Also, the Contractor was reminded to replace broken sand bags to maintain the earth bund functional. (Central Devider)	Ÿ Sediment cumulated inside the gully was cleared and geotextile was provided to prevent loose material discharged into the manhole.
8 September 2015	Ÿ Sediment cumulated inside the discharge point was observed. The contractor should maintain the discharge system properly to prevent discharge of muddy water.	Ÿ Earth bund was provided for the casgate to prevent turbid water discharge.
	Ÿ Chemical container without drip tray was observed. (Retaining Wall B)	Ÿ Free standing chemical without drip tray was removed.
	Ÿ Oil layer was observed cumulated inside the wheel washing bay. The contractor should clean up immediately to prevent contamination.	Ÿ Oil layer inside the wheel washing bay was cleared.
	Ÿ The contractor is recommended to undertake daily checking at the discharge point to make sure all the discharge water comply with the discharge license requirement.	Ÿ Not required for reminder.
15 September 2015	Ÿ Oil drum without drip tray was observed.	Ÿ Oil drum without drip tray was removed.
	Ÿ Discharge system at stream B should be improved. Discharge water after treatment should not contaminated by exposed soil.	Ÿ Discharge water at Stream B was visual clear, sand bags and geotextile was installed at the downstream.
	Ÿ It was reminded that water spraying for the haul road and excavating / breaking activities to minimize dust generation.	Ÿ Not required for reminder.
22 September 2015	Ÿ Drainage system at stream B should be improved. Discharge water after treatment should not contaminated by exposed soil. Also, sediment accumulated inside the stream should cleaned frequently.	Ÿ Discharge water at Stream B was visual clear, sand bags and geotextile was installed at the downstream.
29 September 2015	Ÿ Oil drum without drip tray was observed near east portal.	Ÿ Oil drum without drip tray at east portal was removed.
29 September 2015	Ÿ It was reminded that tree protection zone should be installed and improved for retaining trees area near east portal.	Ÿ Not required for reminder.
6 October 2015	Ÿ Bypass stream water contaminated by exposed surface was observed. Tarpaulin sheets should be provided to prevent the storm water contact with the exposed soil. (East Portal)	Ÿ Tarpaulin was provided to prevent storm water contaminated by explosed surface.
	Ÿ Stagnant water cumulated inside the drip tray was observed after the rainstorm. The contractor should clean the water to maintain the drip tray is functional. (Near Retaining Wall B)	Ÿ Stagnant water cumulated inside the drip tray was cleared
	Ÿ Turbid water discharged from Stream A & B was observed. All discharge from site should comply with the discharge license requirement. (Stream A and Stream B)	Ÿ Sand bags were provided to prevent muddy water discharged into the outlet before de-silting. (Stream A) Ÿ Bypass pipe and tarpaulin sheet was installed and no turbid water discharge was observed. (Stream B)
14 October 2015	Ÿ Stagnant water cumulated inside the drip tray near contractor’s office was observed.	Ÿ Stagnant water cumulated inside the drip tray was removed.
14 October 2015	Ÿ As a reminder, water spraying should be applied for the haul road during the dry season and under the contract requirement water spraying should at least 12 times per day.	Ÿ Not required for reminder.
20 October 2015	Ÿ Stagnant water cumulated on site was observed near Retaining Wall B, the contractor should remove the stagnant water to prevent mosquito breeding.	Ÿ Stagnant water cumulated near retaining wall B was removed.
20 October 2015	Ÿ The Contractor was reminded that proper label should be provided for the chemical containers storage on site.	Ÿ Not required for reminder.
27 October 2015	Ÿ No adverse environmental issue was observed.	NA

Table 10-2 Summary of Reminders/Observations of Site Inspection

Reporting Period	Date of site inspection	Nos. of findings / reminders	Follow-Up Status
August 2015	4^th, 11^th, 18^th and 25^th August 2015	11	Completed
September 2015	1^st, 8^th, 15^th, 22^nd and 29^th September 2015	11	Completed
October 2015	6^th, 14^th, 20^th and 27^th October 2015	7	Completed

10.1.3 In the Reporting Period, no non-compliance was recorded, however, 29 observations/ reminders were recorded during the site inspections. Minor deficiencies found in the weekly site inspection were in general rectified within the specified deadlines. The environmental performance of the Project was therefore considered satisfactory.

Inspection Checklist for Vulnerable to Contaminated Water Discharge

10.1.4 Follow to the complain about discharge of milky water to Bufferfuly Beach on 28 July 2015. The Contractor proposed to carry out bi-weekly inspections (weekly Safety and Environmental inspections plus weekly inspections by inspectorate team) for site areas that are vulnerable to incidental contaminated water discharge, such as wastewater treatment facilities and associated discharge points, drainage system inlets and outfalls. The inpsection for vulnerable to contaminated water discharge was conducted by the Contractor on 28 August 2015. As requested by the EPD, the associated inspection checklist were presented in the Monthly EM&A Report – August 2015.

10.1.5 Following to the complain about discharge of milky water to Bufferfuly Beach on 2 September 2015. The Contractor proposed to carry out daily inspection of wastewater treatment facilities, concerned discharge points, drainage inlets and outlets during typhoon or wet season. The inpsection for vulnerable to contaminated water discharge was conducted by the Contractor from 9 September 2015. As requested by the EPD, the associated inspection checklist were presented in the Monthly EM&A Report – September 2015 and October 2015.

10.1.6 In addition, specific inspections would also be conducted before and after adverse weather to ensure necessary remedial works would be carried out timely. Should incidental contaminated water discharge be found at the inlet of the associated drainage system, a specific inspection of the relevant drainage pipes would be conducted for traces of deposit, and follow up actions would be taken when necessary.

11 Environmental Complaint and Non-compliance

11.1 Environmental Complaint, Summons and Prosecution

11.1.1 For the Contract, no summons and prosecution were received in the Reporting Period. Moreover, no exceedances of the environmental performance limit (Action and Limit Level) were recorded. However, two (2) environmental complaints were received on 3 August and 2 September 2015 regarding the soil/ muddy water caused by frequent dump trucks in Lung Mun Road and River Trade Terminal and milky water discharged from the drainage outlet near the Butterfly Beach, Tuen Mun.

11.1.2 Follow up actions have been undertaking by the Contractor to resolve the deficiencies. Investigation for the complaints has been conducted by the ET and the corresponding investigation reports for the complaint have been submitted to relevant parties and presented in the Monthly EM&A Report (August 2015 and September 2015). The statistical summary table of environmental exceedance, complaint, summons and prosecution is presented in Tables 11-1, 11-2, 11-3 and 11-4.

Table 11-1 Statistical Summary of Environmental Exceedance

Reporting Period	Environmental Aspect / Parameter	Environmental Performance	Event Exceedance
Reporting Period	Environmental Aspect / Parameter	Environmental Performance	Reporting Period	Previous Periods	Cumulative
1 August 2015 – 31 October 2015	Air Quality - 1-hr TSP	Action Level	0	4	4
	Air Quality - 1-hr TSP	Limit Level	0	0	0
	Air Quality - 24-hr TSP	Action Level	0	0	0
	Air Quality - 24-hr TSP	Limit Level	0	0	0

Table 11-2 Statistical Summary of Environmental Complaints

Reporting Period	Environmental Complaint Statistics
Reporting Period	Frequency	Cumulative	Complaint Nature
23 October 2014 – 31 July 2015	1	1	Water
1 August 2015 – 31 October 2015	2	3	Water (2) Dust (1)

Table 11-3 Statistical Summary of Environmental Summons

Reporting Period	Environmental Complaint Statistics
Reporting Period	Frequency	Cumulative	Complaint Nature
23 October 2014 – 31 July 2015	0	0	NA
1 August 2015 – 31 October 2015	0	0	NA

Table 11-4 Statistical Summary of Environmental Prosecution

Reporting Period	Environmental Complaint Statistics
Reporting Period	Frequency	Cumulative	Complaint Nature
23 October 2014 – 31 July 2015	0	0	NA
1 August 2015 – 31 October 2015	0	0	NA

12 Implementation Status of Mitigation Measures

12.1 General Requirements

12.1.1 The environmental mitigation measures that recommended in the Environmental Mitigation and Enhancement Measures Implementation Schedule (EMIS) for in the Project EM&A Manual covered the issues of air quality, cultural heritage, ecology, landfill gas hazard, landscape & visual, noise, water and waste. The updated EMIS for the Contract is shown in Appendix I.

12.1.2 The Contractor shall implement the required environmental mitigation measures according to the EM&A Manual as subject to the site condition. The environmental mitigation measures implemented by the Contract in this Reporting Period are summarized in Table 12-1 and Appendix I.

Table 12-1 Environmental Mitigation Measures

Issues	Environmental Mitigation Measures
Air Quality	· Maintain damp / wet surface on access road · Keep slow speed in the sites · All vehicles must use wheel washing facility before off site · Sprayed water during rock breaking works · During transportation by truck, materials loaded lower than the side and tail boards, and covered before transport · Compacted all soil stockpiles · Part of the exposed slopes covered geotextile net
Cultural Heritage	· Set a buffer zone between the working area and the Grave · All construction materials and equipment store far from the Grave · Inspection the Grave to ensure provision mitigation measures effective
Ecology	· Wire fencing provided for temporary protect Pitcher Plants · Undertake weekly inspection of Pitcher Plants
Landfill Gas Hazard	· Landfill Gas measurement undertake during trench excavation
Water Quality	· Temporary drainage system provide for surface runoff prevent discharge to public area · Wastewater to be treated by sedimentation tank before discharge.
Noise	· Restrain operation time of plants from 07:00 to 19:00 on any working day except for Public Holiday and Sunday. · Keep good maintenance of plants · The noisy plants or works provide mobile noise barriers · Shut down the plants when not in used
Waste and Chemical Management	· On-site sorting prior to disposal · Follow requirements and procedures of the “Trip-ticket System” · Predict required quantity of concrete accurately · Collect the unused fresh concrete at designated locations in the sites for subsequent disposal
General	· The site was generally kept tidy and clean.

13 Conclusions and Recommendations

13.1 Conclusions

13.1.1 This is 4^th Quarterly EM&A report presenting the monitoring results and inspection findings for the Reporting Period from 1 August 2015 to 31 October 2015.

13.1.2 No air quality monitoring including 1-hour and 24-hour TSP exceedance was recorded in the Reporting Period. Although air quality monitoring result complied with the performance criteria, the Contractor was reminded to fully implement the dust control measures.

13.1.3 In this Reporting Period, no noise complaint was received by RE, the Contractor, ENPO or HyD. No Action Level exceedances were triggered and no NOE or the associated corrective actions were therefore issued.

13.1.4 Site inspection for landscape and visual was conducted on weekly basis by the Landscape Architect to ensure if the existing condition compliance with the intended aims of the mitigation measures. Most of the landscape works such as planting was not yet commenced.

13.1.5 Site inspection was performed for the transplanted Pitcher Plants in the nursery site and protected Zones 8 to 10. The transplanted Pitcher Plant in nursery site was protected by the scaffold structure which surrounded by chain link fencing and the protected Pitcher Plants in Zones 8 to 10 were fenced off by chain link fencing. The condition of the transplanted pitcher plant was in fair to poor condition. No construction activities were found to conduct nearby the nursery site and protection zones.

13.1.6 Trial transplantation of pitcher plant from the nursery site to final receptor site was carried out on 15 April 2015 and a total of 5% of pitcher plant was transplanted. Transplantation of remaining 95% was carried out in 9^th and 10^th September 2015.

13.1.7 Landfill gas monitoring was conducted at the construction of Retaining Wall B and Retaining Wall F by the Safety Officer. The monitoring results shown no exceedances were triggered.

13.1.8 In the Reporting Period, two (2) environmental complaints were received on 3 August and 2 September 2015 regarding the soil/ muddy water caused by frequent dump trucks in Lung Mun Road and River Trade Terminal and milky water discharged from the drainage outlet near the Butterfly Beach, Tuen Mun. Investigation for the complaints has been conducted by the ET and the corresponding investigation reports for the complaint have been submitted to relevant parties.

13.1.9 No notifications of summons, or successful prosecution were received by the Contractor during the Reporting Period.

13.1.10During the Reporting Period, 13 events of the joint site inspections were undertaken to evaluate the site environmental performance. No adverse environmental impacts were observed during the weekly site inspection and environmental audit of the Reporting Period, indicating the implemented mitigation measures for air quality, construction noise and water quality were effective. Minor deficiencies found in the weekly site inspection were in general rectified within the specified deadlines. The environmental performance of the Project was therefore considered satisfactory.

13.1.11For cultural heritage, the buffer zone between the working area and the Grave was observed and no construction material or equipment was stored nearby.

13.1.12No documented complaint, notification of summons or successful prosecution is received by the Contract.

13.2 Recommendations

13.2.1 During dry season, air quality mitigation measures such as watering of site area for 12 times per day and covering of exposed slopes should be fully implemented to reduce construction dust impact as recommended in the EMIS.

13.2.2 Moreover, muddy water or other water pollutants from site surface runoff into the public areas will be key environment issue. Special attention should be paid on the water quality mitigation measures to prevent surface runoff flow to public area.

13.2.3 Moreover, good practice for daily housekeeping is reminded. In addition, clean-up of the waste skips and wastewater treatment system should be increased to ensure these facilities functional and effective.

13.2.4 Stagnant water should be removed as soon as possible after rain to prevent mosquito breeding on site.




			AUES Job No.: TCS00715/14

			Tuen Mun - Chek Lap Kok Link Contract No. HY/2013/12 – Northern Connection Toll Plaza and Associated Works

			4^th Quarterly Environmental Monitoring & Audit Summary Report – (August to October 2015)
			Prepared For
			CRBC and Kaden Joint Venture

Quality Index
Date	Reference No.	Prepared By	Certified By
26 November 2015	TCS00715/14/600/R0150v1
26 November 2015	TCS00715/14/600/R0150v1	Ben Tam (Environmental Consultant)	T.W. Tam (Environmental Team Leader)