Verification by IEC

 

Certification by ET

 


Contract No. HY/2013/01

Hong Kong-Zhuhai-Macao Bridge

Hong Kong Boundary Crossing Facilities ¡V Passenger Clearance Building

 

 

 

 

 

Quarterly EM&A Report No. 12

(Covering the Period from 1 July 2017 to 31 August 2017)

 

23 January 2018

 

Revision 1

 

 

 

 

 

 

 

Main Contractor                                                                                                          Environmental Team 

 

 

 

 

Contents

Executive Summary

1....... Introduction. 3

1.1                          Basic Project Information. 3

1.2                          Project Organisation. 3

1.3                          Construction Programme. 3

1.4                          Construction Works Undertaken During the Reporting Period. 4

2....... EM&A Requirement 6

2.1                          Summary of EM&A Requirements. 6

2.2                          Monitoring Requirements. 10

2.3                          Action and Limit Levels. 10

2.4                          Event Action Plans. 12

2.5                          Mitigation Measures. 12

3....... Environmental Monitoring and Audit 13

3.1                          Air Quality Monitoring Results. 13

3.2                          Noise Monitoring Results. 13

3.3                          Water Quality Monitoring Results. 13

3.4                          Dolphins Monitoring Results. 13

3.5                          Implementation of Environmental Measures. 13

3.6                          Advice on the Solid and Liquid Waste Management Status. 14

3.7                          Environmental Licenses and Permits. 14

4....... Summary of Exceedance, Complaint, Notification of Summons and Successful Prosecution. 15

4.1                          Summary of Exceedance of the Environmental Quality Performance Limit 15

4.2                          Summary of Complaints, Notification of Summons and Successful Prosecution. 15

5....... Comments, Recommendations and Conclusion. 17

5.1                          Comments. 17

5.2                          Recommendations. 17

5.3                          Conclusions. 18

 


 

Figures

Figure 2.1      Location of Air Quality Monitoring Stations

Figure 2.2      Location of Noise Monitoring Stations

Figure 2.3     Location of Water Quality Monitoring Stations

Figure 2.4      Impact Dolphins Monitoring Line Transect Layout Map

 

Appendices

Appendix A       Location of Works Areas

Appendix B       Project Organization for Environmental Works

Appendix C       Construction Programme

Appendix D       Event and Action Plan

Appendix E       Implementation Schedule for Environmental Mitigation Measures (EMIS)

Appendix F       Site Audit Findings and Corrective Actions

Appendix G       Waste Flow Table

Appendix H       Environmental Licenses and Permits

Appendix I        Statistics on Environmental Complaints, Notification of Summons and Successful Prosecutions


Executive Summary

This Quarterly Environmental Monitoring and Audit (EM&A) Report is prepared for Contract HY/2013/01 Hong Kong-Zhuhai-Macao Bridge Hong Kong Boundary Crossing Facilities (HKBCF) ¡V Passenger Clearance Building (hereafter referred to as ¡§the Contract¡¨) for the Highways Department of Hong Kong Special Administrative Region (HKSAR). The Contract was awarded to Leighton ¡V Chun Wo Joint Venture (hereafter referred to as ¡§the Contractor¡¨) and Atkins China Limited was appointed as the Environmental Team (ET) by the Contractor.

The Contract is part of Hong Kong ¡V Zhuhai ¡V Macao Bridge HKBCF which is a ¡§Designated Project¡¨, under Schedule 2 of the Environmental Impact Assessment Ordinance (EIAO) (Cap 499) and Environmental Impact Assessment (EIA) Report (Register No. AEIAR-145/2009) was prepared for the Project. The current Environmental Permit (EP) No. EP-353/2009/K for HKBCF was issued on 11 April 2016. These documents are available through the EIA Ordinance Register. Site preparation works of the Contract started on 26 September 2014 and the construction works of the Contract commenced on 6 October 2014.

Atkins China Limited has been appointed by the Contractor to implement the Environmental Monitoring & Audit (EM&A) programme for the Contract in accordance with the Updated EM&A Manual for HKBCF (Version1.0) and will be providing environmental team services to the Contract.

This is the twelfth Quarterly EM&A Report for the Contract which summaries findings of the EM&A works during the reporting period from 1 July to 31 August 2017 in order to tally with the project dolphin monitoring quarterly review cut-off as per ENPO¡¦s advice in consultation with EPD and AFCD. 

Environmental Monitoring and Audit Progress

The EM&A programme was undertaken in accordance with the Updated EM&A Manual for HKBCF (Version 1.0). It should be noted that the air quality, noise, water quality and dolphin monitoring works for the Contract are covered by Contract No. HY/2010/02 Hong Kong-Zhuhai-Macao Bridge HKBCF ¡V Reclamation Works and Contract No. HY/2011/03 Hong Kong-Zhuhai-Macao Bridge Hong Kong Link Road ¡V Section between Scenic Hill and HKBCF. The ET of the Contract or another ET of the HZMB project is required to conduct impact air quality monitoring at AMS6, AMS7, noise monitoring at NMS2 and NMS3B, water quality monitoring at twenty-one stations (nine Impact Stations, seven Sensitive Receiver Stations and five Control/Far Field Stations) and dolphin monitoring works at twenty-four transects as part of EM&A programme if these monitoring stations/ transects are no longer covered under Contract Nos. HY/2010/02 and HY/2011/03. However, this is subject to ENPO¡¦s final decision on which ET should carry out the monitoring work at these stations/transects.

A summary of the monitoring activities during the reporting period are listed below:

Monitoring Items

Date

July 2017

August 2017

Environmental Site Inspection

5, 12, 19 and 26

2, 9, 16, 25 and 30

Breaches of Action and Limit Levels

Summary of Action and Limit Level exceedance of 1-hr TSP level and 24-hr TSP level at station AMS6 shall be referred to the monthly EM&A Reports (for July and August 2017) prepared by Contract No. HY/2011/03.

There was no Action and Limit Level exceedance of 1-hr TSP level and 24-hr TSP level recorded at AMS7 by the Environmental Team of Contract No. HY/2010/02 during the reporting period.

There was no Action and Limit Level exceedance for noise recorded at NMS2 and NMS3B by the Environmental Team of Contract No. HY/2010/02 during the reporting period.

There were two Action Level exceedance of Suspended Solids (SS) recorded by the ET of Contract No. HY/2010/02 during the reporting period (for July and August 2017). Based on the information from the Contractor of this Contract, no marine transportation and marine works were being done during the relevant water quality monitoring period. Therefore, these exceedances were considered not likely to be caused by this Contract¡¦s activities. No follow-up action is required.

Impact dolphin monitoring results at all transects are reported in the EM&A Report prepared for Contract No. HY/2010/02.

Implementation of Environmental Measures

Site inspections were carried out on a weekly basis to monitor the implementation of proper environmental pollution control and mitigation measures for the Project. Potential environmental impacts due to the construction activities were monitored and reviewed.

Complaint Log

There was no complaint received in relation to the environmental impact during the reporting period.

There were two complaints received in relation to the environmental impact during the previous reporting period.

A summary of environmental complaints for the previous reporting period is as follows:

Environmental Complaint No.

Date of Complaint Received

Description of Environmental Complaints

007

2 June 2017

Dust Nuisance

008

6 June 2017

Dust Nuisance

For the dust complaint received by EPD and sent to the ET on 2 June 2017, further information was obtained from the meeting with EPD on 6 June 2017. The complaint was focus on the dust generation from the works area at the Northern side of the Island. As confirmed by the Contractor, works area at the Northern side of the Island is not under this contract.

For the dust complaint received by EPD and sent to the ET on 6 June 2017, a weekly site inspection was conducted by the ET and Contractor on 7 June 2017 for the construction site area under Contract No. HY/2013/01. During the site inspection, the access road was observed wet and no adverse dust impact was observed.

Notifications of Summons and Successful Prosecutions

There was no notification of summon or prosecution received during this reporting period.

Reporting Change

The reporting period of this Quarterly EM&A Report from 1 July to 31 August 2017 in order to tally with the project dolphin monitoring quarterly review cut-off as per ENPO¡¦s advice in consultation with EPD and AFCD.


1          Introduction

1.1                Basic Project Information

1.1.1      This Quarterly Environmental Monitoring and Audit (EM&A) Report is prepared for Contract HY/2013/01 Hong Kong-Zhuhai-Macao Bridge Hong Kong Boundary Crossing Facilities ¡V Passenger Clearance Building (hereafter referred to as ¡§the Contract¡¨) for the Highways Department of Hong Kong Special Administrative Region. The Contract was awarded to Leighton ¡V Chun Wo Joint Venture (hereafter referred to as ¡§the Contractor¡¨) and Atkins China Limited was appointed as the Environmental Team (ET) by the Contractor.

1.1.2      The Contract is part of Hong Kong ¡V Zhuhai ¡V Macao Bridge Hong Kong Boundary Crossing Facilities (HKBCF) which is a ¡§Designated Project¡¨, under Schedule 2 of the Environmental Impact Assessment Ordinance (EIAO) (Cap 499). An Environmental Impact Assessment (EIA) Report (Register No. AEIAR-145/2009) was prepared for the Project. The current Environmental Permit (EP) No. EP-353/2009/K for HKBCF was issued on 11 April 2016. These documents are available through the EIA Ordinance Register. Site preparation work of the Contract started on 26 September 2014 and the construction works of the Contract commenced on 6 October 2014. The works areas of the Contract are shown in Appendix A.

1.1.3      This is the twelfth Quarterly EM&A Report for the Contract which summaries findings of the EM&A works during the reporting period from 1 July to 31 August 2017 in order to tally with the project dolphin monitoring quarterly review cut-off as per ENPO¡¦s advice in consultation with EPD and AFCD.

1.2                Project Organisation

1.2.1      The project organization structure and lines of communication with respect to the on-site environmental management structure is shown in Appendix B.  The key personnel contact names and numbers are summarized in Table 1.1. 

Table 1.1         Contact Information of Key Personnel

Party

Position

Name

Telephone

Fax

Engineer or Engineer¡¦s Representative
(AECOM Asia Co. Ltd.)

Chief Resident Engineer

Michael Tovey

3958 7339

3468 2076

Environmental Project Office / Independent Environmental Checker
(Ramboll Environ Hong Kong Limited)

Environmental Project Office Leader

Y. H. Hui

3465 2888

3465 2899

Independent Environmental Checker

Raymond Dai

3465 2888

3465 2899

Contractor
(Leighton ¡V Chun Wo Joint Venture)

Project Manager

Owen Leung

9232 5750

3621 0180

Environmental Officer

Michael Lee

6461 8635

3621 0180

Environmental Team
(Atkins China Limited)

Environmental Team Leader

Keith Chau

2972 1721

2890 6343

24 hours complaint hotline

---

---

3958 7300

---

1.3                Construction Programme

1.3.1      A copy of the Contractor¡¦s construction programme is provided in Appendix C. 

 

1.4                Construction Works Undertaken During the Reporting Period

1.4.1      A summary of the construction activities undertaken during this reporting period is shown below:

Land-Based Work

¡P            Waterproofing

¡P            Suspended Slab Construction

¡P            Backfilling

¡P            Formwork and falsework stripping

¡P            Western and Eastern vertical column

¡P            Column and Wall Construction

¡P            District Cooling System Pipework installation 

¡P            Blockwork walls

¡P            Pipework and ductwork installation

¡P            Footings for roof erection/ Footing demolition works

¡P            Hanger rods for cable container

¡P            Wet trade works

¡P            Dry trade works

¡P            Facade Bracket for Cabins

¡P            MEP High Level Containment

¡P            Steel Roof Erection works

¡P            Trolley removal works

¡P            Baring Point loading/ unloading works

¡P            Removal of Temporary Works 

¡P            Window wall

¡P            CLP 11KV installation

¡P            Pipework and ductwork installation

¡P            Heat exchanger installation 

¡P            District Cooling System (DCS) chilled water pipe installation

¡P            Heavy MEP plant set up in basement

¡P            Box Culvert RC works

¡P            Double Bow Truss installation

¡P            Mullion Frame installation

¡P            Single bow truss

¡P            Curtain wall glaring

¡P            Window wall glaring

¡P            Hanging scaffolding

¡P            Footbridge construction

¡P            Roof cladding

¡P            Refuse collection point

¡P            Southern toilet

¡P            MISC steelwork

¡P            Lift installation

¡P            District cooling system (DCS) outfall construction works

Marine-based work

¡P            Box Culvert Outfall construction work


 

2          EM&A Requirement

2.1                Summary of EM&A Requirements

2.1.1      The EM&A programme was undertaken in accordance with the Updated EM&A Manual for HKBCF (Version 1). It should be noted that the air quality and noise monitoring works for the Contract are covered by Contract No. HY/2010/02 Hong Kong-Zhuhai-Macao Bridge HKBCF ¡V Reclamation Works and Contract No. HY/2011/03 Hong Kong-Zhuhai-Macao Bridge Hong Kong Link Road ¡V Section between Scenic Hill and HKBCF. The ET of the Contract or another ET of the HZMB project is required to conduct impact air quality monitoring at AMS6 and AMS7 and noise monitoring at NMS2 and NMS3B as part of EM&A programme if these monitoring stations are no longer covered under Contract Nos. HY/2010/02 and HY/2011/03. However, this is subject to ENPO¡¦s final decision on which ET should carry out the monitoring work at these stations.

2.1.2      The permission to carry out impact air quality monitoring work at AMS7 (Hong Kong SkyCity Marriott Hotel) was not granted after 31 January 2015.  The impact air quality monitoring location (AMS7) was relocated to a nearby air sensitive receiver, Chu Kong Air-Sea Union Transportation Co. Ltd. (AMS7A), from 5 February 2015 to 30 December 2015. The alternative location at Chu Kong Air-Sea Union Transportation Co. Ltd. was approved by EPD on 5 February 2015. However, AMS7A was relocated back to its original location (AMS7-Hong Kong SkyCity Marriott Hotel) on 30 December 2015. The relocation of air quality monitoring location, AMS7A, back to AMS7 was approved by EPD on 21 December 2015. The baseline and action/limit level for air quality as derived from the baseline monitoring data recorded at Hong Kong SkyCity Marriott Hotel (AMS7) was adopted for the air quality monitoring location.

2.1.3      A summary of air and noise monitoring locations are presented in Table 2.1. The location of air quality and noise monitoring stations are shown as in Figure 2.1 and Figure 2.2, respectively.

Table 2.1         Summary of Impact EM&A Requirements

Environmental Monitoring

ID

Location Description 

Air Quality

AMS6(1)

Dragonair/CNAC (Group) Building

AMS7(1),(2)

Hong Kong SkyCity Marriott Hotel

Noise

NMS2(3)

Seaview Crescent

NMS3B(3),(4)

Site Boundary of Site Office Area at Works Area WA2

Remarks:

(1)    The ET of this Contract should conduct impact air quality monitoring at the Air Monitoring Station listed in the table as part of EM&A programme according to the latest notification from ENPO when the monitoring station(s) is/are no longer covered by another ET of the HZMB project.

(2)    The original monitoring location was at Hong Kong SkyCity Marriott Hotel (AMS7). As the permission to carry out air quality monitoring at Hong Kong SkyCity Marriott Hotel was not granted after 31 January 2015, the monitoring location was relocated to Chu Kong Air-Sea Union Transportation Co. Ltd. (AMS7A) from 5 February 2015 to 30 December 2015. The alternative monitoring location at Chu Kong Air-Sea Union Transportation Co. Ltd. was approved by EPD on 5 February 2015. However, AMS7A was relocated back to its original location (AMS7-Hong Kong SkyCity Marriott Hotel) on 30 December 2015. The relocation of air quality monitoring location, AMS7A, back to AMS7 was approved by EPD on 21 December 2015.

(3)    The ET of this Contract should conduct impact noise monitoring at the NMS listed in the table as part of EM&A programme according to the latest notification from ENPO when the monitoring station(s) is/are no longer covered by another ET of the HZMB project. 

(4)    The Action and Limit Levels for schools will be applied for this alternative monitoring location.

 

2.1.4      The water quality monitoring works for the Contract are covered by Contract No. HY/2010/02 Hong Kong-Zhuhai-Macao Bridge HKBCF ¡V Reclamation Works. A total of twenty-one stations (nine Impact Stations (IS), seven Sensitive Receiver Stations (SR) and five Control/Far Field Stations (CS)) are covered by the current EM&A programme. The water quality monitoring stations at CS(Mf)3 (Coordinate: 809989E, 821117N), IS10 (Coordinate: 812577E, 820670N) and SR5 (811489E, 820455N) have been occupied by the marine work of a designated project - Expansion of Hong Kong International Airport into a Three-Runway System (3RS Project). The alternative water quality monitoring station at CS(Mf)3(N) (Coordinate: 808814E, 822355N), IS10(N) (Coordinate: 812942E, 820881N) and SR5(N) (812569E, 8201475N) were justified and verified by the ET Leader for Contract No. HY/2010/02 and the IEC respectively on 24 March 2017 and it was approved by EPD on 12 May 2017.

2.1.5      The ET of the Contract or another ET of the HZMB project is required to conduct water quality at these stations as part of EM&A programme if these monitoring stations are no longer covered under Contract No. HY/2010/02. However, this is subject to ENPO¡¦s final decision on which ET should carry out the monitoring work at these stations.

2.1.6      Table 2.2 and Figure 2.3 show the locations of water quality monitoring stations.

Table 2.2         Impact Water Quality Monitoring Stations

Station

Description

East

North

IS5

Impact Station (Close to HKBCF construction site)

811579

817106

IS(Mf)6

Impact Station (Close to HKBCF construction site)

812101

817873

IS7

Impact Station (Close to HKBCF construction site)

812244

818777

IS8

Impact Station (Close to HKBCF construction site)

814251

818412

IS(Mf)9

Impact Station (Close to HKBCF construction site)

813273

818850

IS10

Impact Station (Close to HKBCF construction site)

812577

820670

IS10(N)*

Impact Station (Close to HKBCF construction site)

812942

820881

IS(Mf)11

Impact Station (Close to HKBCF construction site)

813562

820716

IS(Mf)16

Impact Station (Close to HKBCF construction site)

814328

819497

IS17

Impact Station (Close to HKBCF construction site)

814539

820391

SR3

Sensitive receivers (San Tau SSSI)

810525

816456

SR4(N)

Sensitive receivers (Tai Ho)

814705

817859

SR5

Sensitive receivers (Artificial Reef in NE Airport)

811489

820455

SR5(N)*

Sensitive receiver (Artificial Reef in NE Airport)

812569

821475

SR6

Sensitive receivers (Sha Chau and Lung Kwu Chau Marine Park)

805837

821818

SR7

Sensitive receivers (Tai Mo Do)

814293

821431

SR10A

Sensitive receivers (Ma Wan FCZ) 1

823741

823495

SR10B(N)

Sensitive receivers (Ma Wan FCZ) 2

823683

823187

CS(Mf)3

Control Station

809989

821117

CS(Mf)3(N)*

Control Station

808814

822355

CS(Mf)5

Control Station

817990

821129

CS4

Control Station

810025

824004

CS6

Control Station

817028

823992

CSA

Control Station

818103

823064

Remarks: * Alternative water quality monitoring stations at CS(Mf)3(N), SR5(N) and IS10(N) were justified and verified by the ET Leader for Contract No. HY/2010/02 and the IEC respectively on 24 March 2017 and it was approved by EPD on 12 May 2017.

 

2.1.7      The dolphin monitoring works for the Contract are covered by Contract No. HY/2010/02 Hong Kong-Zhuhai-Macao Bridge HKBCF ¡V Reclamation Works. The ET of the Contract or another ET of the HZMB project is required to conduct dolphin monitoring at the twenty-four as part of EM&A programme if these transects are no longer covered under Contract No. HY/2010/02. The dolphin monitoring should adopt line-transect vessel survey method. The survey follows pre-set and fixed transect lines in the two areas defined by AFCD as: Northeast Lantau survey area; and Northwest Lantau survey area. The change of transect lines 2, 3, 4, 5, 6 and 7 and new vessel-based transect line 24 for dolphin monitoring have been proposed due to the marine work of a designated project - Expansion of Hong Kong International Airport into a Three-Runway System (3RS Project). It was justified and verified by the ET Leader for Contract No. HY/2010/02 and the IEC respectively on 24 March 2017 and it was approved by EPD on 12 May 2017.

2.1.8      The co-ordinates for the transect lines showing the transect lines have been provided by AFCD and are shown in Table 2.3 and Figure 2.4 shows the layout map.

Table 2.3           Impact Dolphin Monitoring Line Transect Co-ordinates (Provided by AFCD)

Transect ID

HK Grid System

Long Lat in WGS84

X

Y

Long

Lat

1*

804671

815456

113.870287

22.277678

804671

831404

113.869975

22.421696

2

805476

820800

113.877995

22.325951

805476

826654

113.877882

22.378815

3

806464

821150

114.030267

22.196697

806464

822911

114.047344

22.196712

4

807518

821500

114.033651

22.206219

807518

829230

114.108618

22.206267

5

808504

821850

114.037037

22.215126

808504

828602

114.102523

22.215169

6

809490

822150

114.039938

22.224033

809490

825352

114.070995

22.224056

7

810499

822000

114.038474

22.233143

810499

824613

114.063820

22.233163

8*

811508

821123

113.936539

22.328966

811508

824254

113.936486

22.357241

9*

812516

821303

113.946320

22.330606

812516

824254

113.946279

22.357255

10*

813525

820827

113.956112

22.326321

813525

824657

113.956066

22.360908

11#

814556

818853

113.966155

22.304858

814556

820992

113.966125

22.327820

12

815542

818807

113.975726

22.308109

815542

824882

113.975647

22.362962

13

816506

819480

113.985072

22.314192

816506

824859

113.985005

22.362771

14

817537

820220

113.995070

22.320883

817537

824613

113.995018

22.360556

15

818568

820735

114.005071

22.325550

818568

824433

114.005030

22.358947

16

819532

821420

114.014420

22.331747

819532

824209

114.014390

22.356933

17

820451

822125

114.023333

22.338117

820451

823671

114.023317

22.352084

18

821504

822371

114.033556

22.340353

821504

823761

114.033544

22.352903

19

822513

823268

114.043340

22.348458

822513

824321

114.043331

22.357971

20

823477

823402

114.052695

22.349680

823477

824613

114.052686

22.360610

21

805476

827081

113.877878

22.382668

805476

830562

113.877811

22.414103

22

806464

824033

113.887520

22.355164

806464

829598

113.887416

22.405423

23

814559

821739

113.966142

22.334574

814559

824768

113.966101

22.361920

24

805476

815900

113.979368

22.187721

805476

819100

114.010398

22.187756

Remarks:

(a)       * Due to the presence of deployed silt curtain systems at the site boundaries of the Contract, some of the transect lines shown in Figure 5.1 could not be fully surveyed during the regular survey. Transect 10 is reduced from 6.4km to approximately 3.6km in length due to the HKBCF construction site. Therefore the total transect length for both NEL and NWL combined is reduced to approximately 108km

(b)       # Coordinates for transect lines 1, 8, 9 and 11 have been updated in respect to the Proposal for Alteration of Transect Line for Dolphin Monitoring approved by EPD on 19 August 2015.

(c)       The change of transect lines 2, 3, 4, 5, 6 and 7 and new transect line 24 were justified and verified by the ET Leader for Contract No. HY/2010/02 and the IEC respectively on 24 March 2017 and it was approved by EPD on 12 May 2017.

 


 

2.2                Monitoring Requirements

2.2.1      The monitoring requirements, monitoring equipment, monitoring parameters, frequency and duration, monitoring methodology, monitoring schedule, meteorological information are detailed in the monthly EM&A.

2.3                Action and Limit Levels

2.3.1      The Action and Limit Level for 1-hr TSP and 24-hr TSP are provided in Table 2.4 and Table 2.5, respectively.

Table 2.4         Action and Limit Levels for 1-hour TSP

Monitoring Station

Action Level, µg/m3

Limit Level, µg/m3

AMS6 ¡V Dragonair/CNAC (Group) Building (HKIA)

360

500

AMS7 ¡V Hong Kong SkyCity Marriott Hotel

370


Table 2.5        Action and Limit Levels for 24-hour TSP

Monitoring Station

Action Level, µg/m3

Limit Level, µg/m3

AMS6 ¡V Dragonair/CNAC (Group) Building (HKIA)

173

260

AMS7 ¡V Hong Kong SkyCity Marriott Hotel

183

 

2.3.2      If exceedance(s) at these station(s) is/are recorded by the ET of the Contract or referred by the other ET under the HZMB project to the Contract, the ET of the Contract will carry out an investigation and findings will be reported in the quarterly EM&A Report.

2.3.3      The Action and Limit Levels for construction noise are defined in Table 2.6.

Table 2.6         Action and Limit Level for Construction Noise

Parameter

Action Level

Limit Level

07:00 ¡V 19:00 hours on normal weekdays

When one documented complaint is received

75 dB(A)*

Notes :     

If works are to be carried out during restricted hours, the conditions stipulated in the construction noise permit issued by the Noise Control Authority have to be followed.

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

 

2.3.4      If exceedance(s) at these station(s) is/are recorded by the ET of the Contract or referred by the other ET under the HZMB project to the Contract, the ET of the Contract will carry out an investigation and findings will be reported in the quarterly EM&A Report.

2.3.5      The Action and Limit Levels for water quality are provided in Table 2.7.

Table 2.7         Action and Limit Levels for Water Quality

Parameters

Action

Limit

DO in mg L-1

(Surface, Middle & Bottom)

Surface and Middle

5.0

Bottom

4.7

Surface and Middle

4 .2 (except 5 mg/L for FCZ)

Bottom

3.6

SS in mg L-1 (depth-averaged) at all monitoring stations and control stations

23.5 and 120% of upstream control station's SS at the same tide of the same day*

34.4 and 130% of upstream control station's SS at the same tide of the same day and 10mg/L for WSD Seawater intakes*

Turbidity in NTU

(depth-averaged)

27.5 and 120% of upstream control station's turbidity at the same tide of the same day*

47.0 and 130% of upstream control station's turbidity at the same tide of the same day*

* Remarks:  Reference is made to EPD approval of adjustment of water quality assessment criteria issued and became
            effective on 18 February 2013.
 
Notes:     1. ¡§depth-averaged¡¨ is calculated by taking the arithmetic means of reading of all three depths.

2.For DO, non-compliance of the water quality limits occurs when monitoring result is lower than the limits.

3.For turbidity, SS, non-compliance of the water quality limits occurs when monitoring result is higher than the limits.

4.All the figures given in the table are used for reference only and the EPD may amend the figures whenever it is considered as necessary.

5.The 1%-ile of baseline data for dissolved oxygen (surface and middle) and dissolved oxygen (bottom) are 4.2 mg/L and 3.6 mg/L respectively.

2.3.6      If exceedance(s) at these station(s) is/are recorded by the ET of the Contract or referred by the other ET under the HZMB project to the Contract, the ET of the Contract will carry out an investigation and findings will be reported in the quarterly EM&A Report.

2.3.7      The Action and Limit Levels for Chinese White Dolphin Monitoring are provided in Table 2.8 and Table 2.9, respectively.

Table 2.8 Action and Limit Levels for Chinese White Dolphin Monitoring - Approach to Define Action Level (AL) and Limit Level (LL)

 

North Lantau Social Cluster

 

NEL

NWL

Action Level

(STG  < 70% of baseline) &

(ANI  < 70% of baseline)

(STG  < 70% of baseline) &

(ANI  < 70% of baseline)

Limit Level

[(STG  < 40% of baseline) & (ANI  < 40% of baseline)] AND

[ (STG  < 40% of baseline) & (ANI  < 40% of baseline)]

 


 

Table 2.9 Derived Value of Action Level (AL) and Limit Level (LL) for Chinese White Dolphin Monitoring

 

North Lantau Social Cluster

 

NEL

NWL

Action Level

(STG  < 4.2) &

(ANI  < 15.5 )

(STG  < 6.9) &

(ANI  < 31.3)

Limit Level

[(STG  < 2.4) & (ANI  <8.9)] AND

[ (STG  < 3.9)& (ANI  < 17.9)]

 

2.3.8      If exceedance(s) at these station(s) is/are recorded by the ET of the Contract or referred by the other ET under the HZMB project to the Contract, the ET of the Contract will carry out an investigation and findings will be reported in the quarterly EM&A Report.

 

2.4                Event Action Plans

2.4.1      The Event Actions Plans for air quality, noise, water quality and dolphin monitoring are provided in Appendix D.

2.5                Mitigation Measures

2.5.1      Environmental mitigation measures for the Contract were recommended in the approved EIA Report. Appendix E lists the recommended mitigation measures and the implementation status.


3          Environmental Monitoring and Audit

3.1                Air Quality Monitoring Results

3.1.1      The monitoring results for AMS6 and AMS7 are reported in the monthly EM&A Reports (for July and August 2017) prepared for Contract Nos. HY/2011/03 and HY/2010/02, respectively.

3.1.2      Summary of Action and Limit Level exceedance of 1-hr TSP level and 24-hr TSP level at AMS6 shall be referred to the monthly EM&A Reports (for July and August 2017) prepared by Contract No. HY/2011/03.

3.1.3      There was no Action and Limit Level exceedance of 1-hr TSP level and 24-hr TSP level recorded at AMS7 recorded by the ET of Contract No. HY/2010/02 during the reporting period.

3.2                Noise Monitoring Results

3.2.1      The monitoring results for NMS2 and NMS3B are reported in the monthly EM&A Reports (for July and August 2017) prepared for Contract No. HY/2010/02.

3.2.2      No noise exceedance was recorded at stations NMS2 and NMS3B by the ET of Contract No. HY/2010/02 during the reporting period.

3.3                Water Quality Monitoring Results

3.3.1      The monitoring results for these stations are reported in the monthly EM&A Reports (for July and August 2017) prepared for Contract No. HY/2010/02.

3.3.2      Two Action Level exceedances of SS were recorded by the ET of Contract No. HY/2010/02 during the reporting period (for July and August 2017). The details of the exceedances are provided in Table 3.1.

Table 3.1         Action and Limit Levels exceedance for Water Quality

Monitoring Station

Monitoring Time

Measured depth averaged (in mg/L)

Level Exceeded

Monitoring Date

Mid-Ebb tide (Suspended Solids) (in mg/L)

SR3

13:49

24.7

Action

12 July 2017

Mid-Flood tide (Suspended Solids) (in mg/L)

IS7

10:17

24.9

Action

14 July 2017

 

3.3.3      The Contractor confirmed that no marine transportation and marine work were being done on 12 and 14 July 2017. Therefore, these exceedances were not related the Contract No. HY/2013/01. No follow-up action is required. The details of water quality exceedance can be made reference to the monthly EM&A report under Contract No. HY/2010/02.

3.4                Dolphins Monitoring Results

3.4.1      The monitoring results for dolphin monitoring are reported in the monthly EM&A Reports (for July and August 2017) prepared for Contract No. HY/2010/02.

 

 

3.5                Implementation of Environmental Measures

3.5.1      In response to the site audit findings, the Contractor carried out corrective actions. Details of site audit findings and the corrective actions during the reporting period are presented in Appendix F.

3.5.2      The Contractor waters 8 times per day on all exposed soil within the Contract site and associated works areas when construction activities are being undertaken.

3.5.3      The marine traffic records and geographical plots of all the vessels tracks for the reporting month will be submitted by the Contractor to Engineer¡¦s Representative (ER), Environmental Team Leader (ETL) and Independent Environmental Checker / Environmental Project Office (IEC/ENPO) within 3 weeks after the reporting month. The marine traffic records and geographical plots for June 2017 were submitted by the Contractor to ER, ETL and IEC/ENPO on 20 July 2017, respectively. As informed by Contractor, there was no marine traffic since 2 June 2017.

3.5.4      Regular marine travel route for marine vessels were implemented properly and training was provided for barge operators in accordance with the Regular Marine Travel Routes Plan and relevant records were kept properly.

3.5.5      A summary of the Implementation Schedule of Environmental Mitigation Measures (EMIS) is presented in Appendix E. Most of the necessary mitigation measures were implemented properly.

3.6               Advice on the Solid and Liquid Waste Management Status

3.6.1      The Contractor registered as a chemical waste producer for the Contract. Sufficient numbers of receptacles were available for general refuse collection and sorting.

3.6.2      No marine sediment was generated/treated and no treated marine sediment was reused in the reporting period. As informed by the Contractor in March 2016, the transfer of treated marine sediment to Contract no. HY/2010/02 has been discontinued since July 2015.

3.6.3      The summary of waste flow table is detailed in Appendix G.

3.6.4      The Contractor was reminded that chemical waste containers should be properly treated and stored temporarily in designated chemical waste storage area on site in accordance with the Code of Practice on the Packaging, Labelling and Storage of Chemical Wastes.

3.7               Environmental Licenses and Permits

3.7.1      The valid environmental licenses and permits during the reporting period are summarized in Appendix H.


4          Summary of Exceedance, Complaint, Notification of Summons and Successful Prosecution

4.1               Summary of Exceedance of the Environmental Quality Performance Limit

4.1.1      Summary of Action and Limit Level exceedance of 1-hr TSP level and 24-hr TSP level at AMS6 shall be referred to the monthly EM&A Reports (for July and August 2017) prepared by Contract No. HY/2011/03.

4.1.2      There was no Action and Limit Level exceedance of 1-hr TSP level and 24-hr TSP level recorded at AMS7 by the Environmental Team of Contract No. HY/2010/02 during the reporting period.

4.1.3      There was no Action and Limit Level exceedance for noise recorded at NMS2 and NMS3B by the Environmental Team of Contract No. HY/2010/02 during the reporting period.

4.1.4      There were two Action Level exceedances of Suspended Solids (SS) recorded by the ET of Contract No. HY/2010/02 during the reporting period (for July and August 2017). Based on the information from the Contractor of this Contract, no marine transportation and marine works were being done during the relevant water quality monitoring period. Therefore, these exceedances were considered not likely to be caused by this Contract¡¦s activities. No follow-up action is required.

4.1.5      Impact dolphin monitoring results at all transects are reported in the EM&A Reports prepared for Contract No. HY/2010/02.

4.2               Summary of Complaints, Notification of Summons and Successful Prosecution

4.2.1      There was no complaint received in relation to the environmental impact during the reporting period. Two complaints were received in relation to the environmental impact during the previous reporting period. A summary of environmental complaint is presented in Table 4.1. The details of cumulative statistics of Environmental Complaints are provided in Appendix I.

Table 4.1 A Summary of Environmental Complaints for the Previous Reporting Month

Environmental Complaint No.

Date of Complaint Received

Description of Environmental Complaints

007

2 June 2017

Dust Nuisance

008

6 June 2017

Dust Nuisance

 

Environmental Compliant No. 007 ¡V Dust Nuisance

4.2.1      According to ENPO¡¦s email to the Environmental Team, Engineer¡¦s Representative and Contractor on 2 June 2017, it was noted that EPD received a complaint lodged by a worker regarding the construction dust in the site area.

4.2.2      Based on the further information from the meeting with EPD on 6 June 2017, the complaint is focus on the dust generation from the works area at the Northern side of the Island. As confirmed by the Contractor, works area at the Northern side of the Island is not under this contract. No notification of summons and prosecution was received during the reporting period.

4.2.3      The watering plan, which include the information of watering schedule, routing of trucks for watering and the location of water filling, was prepared and submitted to RE and ENPO. The Contractor was also reminded to implement all necessary mitigation as specified in EIA (Section 5.5.6.3), EM&A Manual (EM&A Log Ref: A3), EMP, Method Statements, General and Particular Specifications of this Project to minimize the potential dust impact during construction activities.

 

Environmental Compliant No. 008 ¡V Dust Nuisance

4.2.4      According to ENPO¡¦s email to the Environmental Team, Engineer¡¦s Representative and Contractor on 6 June 2017, it was noted that EPD received a complaint lodged by a worker regarding the construction dust in the site area.

4.2.5      A weekly site inspection was conducted by the ET and Contractor on 7 June 2017 for the construction site area under Contract No. HY/2013/01. During the site inspection, the access road was observed wet and no adverse dust impact was observed.

4.2.6      The Contractor have arranged a staff to supervise the haul road condition near PCB building. In case of adverse dust emission, the Contractor should arrange the water truck or front-line staff to enhance the watering. The watering plan, which include the information of watering schedule, routing of trucks for watering and the location of water filling, was prepared and submitted to RE and ENPO. The Contractor was also reminded to implement all necessary mitigation as specified in EIA (Section 5.5.6.3), EM&A Manual (EM&A Log Ref: A3), EMP, Method Statements, General and Particular Specifications of this Project to minimize the potential dust impact during construction activities.

4.2.7      Statistics on notifications of summons and successful prosecutions are summarized in Appendix I.


 

5           Comments, Recommendations and Conclusion

5.1               Comments

5.1.1      According to the environmental site inspections undertaken during the reporting period, the following recommendations were provided:

¡P                The Contractor was reminded to provide water spraying for the road to avoid dust generation.

¡P                The Contractor was reminded to affix an appropriate NRMM label.

¡P                The Contractor was reminded to provide drip trays for the diesel oil drums and chemical containers.

¡P                The Contractor was reminded to cover the dusty material to prevent fugitive dust emission.

5.1.2      A summary of the Implementation Schedule of Environmental Mitigation Measures (EMIS) is presented in Appendix E.  Most of the necessary mitigation measures were implemented properly.

5.2               Recommendations

5.2.1      With implementation of the recommended environmental mitigation measures, the contract¡¦s environmental impacts were considered environmentally acceptable. The weekly environmental site inspections ensured that all the environmental mitigation measures recommended were effectively implemented.

5.2.2      The recommended environmental mitigation measures, as included in the EM&A programme, effectively minimize the potential environmental impacts from the contract. Also, the EM&A programme effectively monitored the environmental impacts from the construction activities and ensure the proper implementation of mitigation measures. No particular recommendation was advised for the improvement of the programme.


 

5.3               Conclusions

5.3.1      The site preparation work of the Contract started on 26 September 2014 and the construction works of the Contract commenced on 6 October 2014. This is the twelfth Quarterly EM&A Report for the Contract which summaries findings of the EM&A works during the reporting period from 1 July to 31 August 2017 in order to tally with the project dolphin monitoring quarterly review cut-off as per ENPO¡¦s advice in consultation with EPD and AFCD.

5.3.2      Summary of Action and Limit Level exceedance of 1-hr TSP level and 24-hr TSP level at AMS6 shall be referred to the monthly EM&A Reports (for July and August 2017) prepared by Contract No. HY/2011/03.

5.3.3      There was no Action and Limit Level exceedance of 1-hr TSP level and 24-hr TSP level recorded at AMS7 by the Environmental Team of Contract No. HY/2010/02 during the reporting period.

5.3.4      There was no Action and Limit Level exceedance for noise recorded at NMS2 and NMS3B by the Environmental Team of Contract No. HY/2010/02 during the reporting period.

5.3.5      There was two Action Level exceedances of Suspended Solids (SS) recorded by the ET of Contract No. HY/2010/02 during the reporting period (for July and August 2017). Based on the information from the Contractor of this Contract, no marine transportation and marine works were being done during the relevant water quality monitoring period. Therefore, these exceedances were considered not likely to be caused by this Contract¡¦s activities. No follow-up action is required.

5.3.6      Impact dolphin monitoring results at all transects are reported in the EM&A Reports prepared for Contract No. HY/2010/02.

5.3.7      Environmental site inspections were carried out on 5, 12, 19 and 26 July and 2, 9, 16, 25 and 30 August 2017. Recommendations on remedial actions were given to the Contractors for the deficiencies identified during the site inspections.

5.3.8      There were two complaints received in relation to the environmental impact during the reporting period. For the dust complaint received by EPD and sent to the ET on 2 June 2017, further information was obtained from the meeting with EPD on 6 June 2017. The complaint was focus on the dust generation from the works area at the Northern side of the Island. As confirmed by the Contractor, works area at the Northern side of the Island is not under this contract. For the dust complaint received by EPD and sent to the ET on 6 June 2017, a weekly site inspection was conducted by the ET and Contractor on 7 June 2017 for the construction site area under Contract No. HY/2013/01. During the site inspection, the access road was observed wet and no adverse dust impact was observed.

5.3.9      No notification of summons and successful prosecution was received during the reporting period.