G:\Operations\Report\ENCH\ENV & CHEM\ENV_Monthly report\Contract No. HY201302\Quarterly Report\9th Quarterly Report\Signed Cover.jpg


 

 

TABLE OF CONTENTS

Executive SUMMARY

Page

1

INTRODUCTION

1-2

1.1

Basic Project Information

1

1.2

Project Organization

1

1.3

Construction Programme

2

1.4

Construction Works Undertaken During the Reporting Period

2

 

 

 

2

EM&A Requirement

3-6

2.1

Summary of EM&A Requirements

3-4

2.2

Monitoring Requirements

4

2.3

Action and Limit Levels

4-6

2.4

Event Action plans

6

2.5        

Mitigation Measures

6

 

 

 

3

ENVIRONMENTAL MONITORING AND AUDIT

7-10

3.1

Air Quality  Monitoring Result

7

3.2

Noise Monitoring Results

7

3.3

Water Quality Monitoring Results

7-8

3.4

Dolphin Monitoring

8

3.5

Implementation Status of Environmental Mitigation Measures

8-9

3.6

Advice on the Solid and Liquid Waste Management Status

9-10

3.7

Environmental Licenses and Permits

10

 

 

 

4

Summary of Exceedance, Complaint, notification of summons and sucessful prosecution

11-13

4.1

Summary of Exceedance of the Environmental Quality Performance Limit

11

4.2

Summary of Complaints, Notification of Summons and Successful Prosecution

11-13

 

 

 

5

Comments, recommendation and conclusion

14-15

5.1

Comments

14

5.2

Recommendations

14

5.3

Conclusions

14-15

 

 

 

 

 

 

 

 

 

Figures

 

Figure 1

Air Quality and Noise Monitoring Stations for HKBCF

 

Figure 2

Water Quality Monitoring Stations(construction phases)

 

Figure 3

Dolphin Monitoring Transect Line and Layout Map

 

 

 

 


 

Table

Table 1.1

Contact Information of Key Personnel

Table 2.1

Air Quality and Noise Monitoring Locations

Table 2.2

Water Quality Monitoring Stations (construction phases)

Table 2.3

Action and Limit Levels for 1-hour TSP

Table 2.4

Action and Limit Levels for 24-hour TSP

Table 2.5

Action and Limit Levels for Construction Noise

Table 2.6

Action and Limit Levels for Water Quality

Table 2.7

Action and Limit Levels for Chinese White Dolphin Monitoring ¡V Approach to Define Action

 

Level (AL) and Limit Level (LL)

Table 2.8

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

Table 3.1

Summary of marine sediment disposed to dumping site via Contract No. HY/2013/03

 

APPENDIX

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

Appendix J

Investigation Reports on Action Level or Limit Level Non-compliance

Appendix K

Complaint Investigation Report

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 


 

Executive SUMMARY

 

This Quarterly Environmental Monitoring and Audit (EM&A) Report is prepared for Contract HY/2013/02 Hong Kong-Zhuhai-Macao Bridge Hong Kong Boundary Crossing Facilities (HKBCF) ¡V Infrastructure Works Stage I (Western Portion) (hereafter referred to as ¡§the Contract¡¨) for the Highways Department of Hong Kong Special Administrative Region (HKSAR). The Contract was awarded to China Harbour Engineering Co., Ltd. (hereafter referred to as ¡§the Contractor¡¨) and ETS-Testconsult 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 was started on 25 July 2014 and the construction works of the Contract commenced on 24 November 2014.

 

ETS-Testconsult 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 (Version 1.0) and provide environmental team services to the Contract.

 

This is the Ninth Quarterly Environmental Monitoring and Audit (EM&A) Report for the Contract which summaries findings of the EM&A works conducted during the reporting period from 01 December 2016 to 28 February 2017.

 

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 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 show in Figure 1, water quality monitoring show in Figure 2 and dolphin monitoring show in Figure 3 as part of EM&A programme if these monitoring stations are no longer covered under Contract No. HY/2010/02 and HY/2011/03. However, this is subject to ENPO¡¦s final decision on which ET should carry out the monitoring works at these stations.

 

The dates of environmental site inspections during the reporting period are listed below:

           

Environmental Site Inspection Date

December 2016

January 2017

February 2017

01, 09, 15, 22 and 29

05, 12, 16 and 26

02, 09, 16 and 23

 

Breaches of Action and Limit Levels

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 report 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 station 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 station NMS2 and station NMS3B by the Environmental Team of Contract No. HY/2010/02 during the reporting period.

 

For water quality monitoring, there were four exceedances recorded during the reporting period. In December 2016, one Action Level exceedance of SS on impact water quality monitoring at station IS(Mf)9 during mid-flood tide was recorded on 14 December 2016. In January 2017, there was no Action and Limit Level exceedance for water quality recorded at the monitoring stations. In February 2017, two Action Level exceedances of SS on impact water quality monitoring at station IS8 and SR7 during mid-flood tide were recorded on 06 February 2017 and 15 February 2017, one Action Level exceedance of SS on impact water quality monitoring at station SR6 during mid-ebb tide was recorded on 10 February 2017. After investigation, there was concluded that the exceedances were not relevant to this Contract. The Investigation Reports No. 011, 012 and 013 (including the causes of exceedance, action taken and recommendation for mitigation) on Action or Limit Level Non-compliance are provided in Appendix J. There was no Action and Limit Level exceedance recorded on other monitoring date at the monitoring stations showed in Table 2.2 by the Environmental Team of Contract No. HY/2010/02 during the reporting period.

 

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 were five complaints received during the reporting period.

1.           One complaint was received by EPD from public on 01 December 2016 and was forwarded by EPD to the HYD and ENPO and then to the R.E. (AECOM) on 01 December 2016.Then the R.E. (AECOM) forwarded the complaint by email to the Contractor (China Harbour) and the ET (ETS-Testconsult Ltd.) of Contract No. HY/2013/02 at 17:57 on 01 December 2016. The complainant complained that large amount of mud/slurry at East Coast Road suspiciously originated from HZMB construction site.

2.           One complaint was received by Contract No. HY/2010/02 referred by the Government¡¦s Hotline (1823) on 02 December 2016 and was forwarded by ENPO to the R.E. (AECOM), the Contractor (China Harbour) and the ET (ETS-Testconsult Ltd.) of Contract No. HY/2013/02 by email on 14 December 2016. The complainant complained that the whole stretch of East Coast Road & Tung Fai Road is truly disgusting. The stone debris big and small and the mud is a nuisance to those who use the road every day. When dry there is a lot of dust and when it rains or when the road washing trucks are out it becomes a muddy mess. Cars and pedestrians are covered in dust or mud, cars are hit by stones is a daily hazard. Washing of construction vehicles is inadequate as the sand and soil is carried out onto the roads. Oversight of road conditions are not carried out by the Airport Authority. An alternative route should be created for the large number of construction vehicles as they drive fast.

3.           One complaint was received by EPD on 13 December 2016 and referred by EPD to the ENPO on 14 December 2016. Then the ENPO forwarded the complaint by email to the R.E. (AECOM), the Contractor (China Harbour) and the ET (ETS-Testconsult Ltd.) of Contract No. HY/2013/02 on 14 December 2016. The complainant complained that hammering noise generated over-night from unidentified sources possibly from Construction Sites of HZMB near a month.

 

The follow-up inspections for the above mentioned complaints on 01, 02, 13 December 2016 were performed by the ET of Contract No. HY/2013/02 on 02 and 15 December 2016. The complaint investigation reports (Log No. 006, 007 and 008) were issued by the ET of Contract No. HY/2013/02 and verified by the IEC/ENPO on 14, 16 and 19 December 2016.

 

According to the investigation on 01, 02, 13 December 2016, no mud/slurry was observed around the East Coast Road site entrance during the site inspection and audit on 01 December 2016, no stone debris and mud/slurry were observed around the East Coast Road site entrance according to the Contractor and RE¡¦s site checking on 02 December 2016 and the construction works of this Contract during the past month was carried out from 08:00 up to 23:00 and no any works and PME operation were undertaken at night-time after 23:00 until 13 December 2016 by Contract No. HY/2013/02.  The complaints were found non-related to Contract No. HY/2013/02. The complaint investigation reports (Log No. 006, 007 and 008) for the above mentioned complaints on 01, 02 13 December 2016 were provided in Appendix K.

 

4.           One complaint was received by Highways Department and referred by Highways Department to Contract No. HY/2010/02 on 28 December 2016. Then the ENPO forwarded the complaint by email to the R.E. (AECOM), the Contractor (China Harbour) and the ET (ETS-Testconsult Ltd.) of Contract No. HY/2013/02 at 20:17 on 28 December 2016. The complainant complained that [¤jÀ¬¤s´ä¯]¿D¤H¤u®q¦a½L¦h¶µ°ÝÃD¡A§ë¶D¤H«ü¥X¦a½L¤º°A±wÄY­«¡A¦Ó¥B¬~¤â¶¡½Ã¥Í¤í¨Î©M¨R¬~³]¬I¤£¨¬¡A¬OÄݩ󤤰ê´äÆW«Ø¿vªº¦a½L¡A­n¨D³¡ªù¸ò¶i¡C]

 

The follow-up inspection for the above mentioned complaint on 28 December 2016 was performed by the ET of Contract No. HY/2013/02 on 29 December 2016. The complaint investigation report (Log No. 009) was issued by the ET of Contract No. HY/2013/02 on 31 December 2016 and verified by the IEC/ENPO on 11 January 2017.

 

According to the investigation, the site environment of the working areas were found acceptable that no mosquito was observed and cleanness of portable toilets were also found acceptable but it will have some improvement. Hence, the complaint was found non-related to Contract No. HY/2013/02. The complaint investigation report (Log No. 009) was provided in Appendix K.

 

5.           One complaint received by Environmental Protection Department from a bus operator at the Hong Kong International Airport recently and referred to the ENPO. Then the ENPO forwarded the complaint by email to the R.E. (AECOM), the Contractor (China Harbour) and the ET (ETS-Testconsult Ltd.) of Contract No. HY/2013/02 at 12:17 on 09 January 2017. The complainant complained that the external bodies of buses & vehicles were seriously stained by the heavy dusts and mud produced from the construction sites onto the East Coast Road & Tung Fai Road, Airport Road Interchange and Sky City Interchange.

 

The follow-up inspection was performed by the Environmental Officer and the RE of Contract No. HY/2013/02 and EPD¡¦s senior inspector Dionne Leung on 10 January 2017. The complaint investigation report (Log No. 010) was issued by the ET of Contract No. HY/2013/02 and verified by the IEC/ENPO on 23 January 2017.

 

According to the investigation, no mud/slurry was observed around the East Coast Road site entrance during the site inspection on 10 January 2017. Mitigation measures under the item A2 and W2 of EMIS were implemented including provide vehicle washing facilities with high pressure water jet at vehicle exit point and the area where vehicle washing takes place, the portion of road to construction site of the vehicle entrance or exit was kept clear of dusty materials, all vehicles and plant were cleaned before they leave the construction site, wheel overflow was directed to silt removal facilities before being discharged, the road section between the washing facilities and the exit point was hard paved and reminders were provided at the wheel washing basin and exit to remind all Contract(s) vehicles using the site exit for proper wheel washing etc. Besides, after received the last complaint from the EPD on 01 December 2016, the cleaning actions were reinforced such as providing one person at the site entrance for cleaning up the mud/slurry, frequently checking the East Coast Road site entrance. Hence, the complaint was found non-related to Contract No. HY/2013/02. The complaint investigation report (Log No. 010) was provided in Appendix K.

 

Notifications of Summons and Successful Prosecutions

There were no notification of summon or prosecution received during the reporting period.

 

Reporting Change

There was no reporting change during the reporting period.


1            INTRODUCTION

 

1.1      Basic Project Information

 

1.1.1  This Quarterly Environmental Monitoring and Audit (EM&A) Report is prepared for Contract HY/2013/02 Hong Kong¡VZhuhai-Macao Bridge Hong Kong Boundary Crossing Facilities (HKBCF) ¡V Infrastructure Works Stage I (Western Portion) (hereafter referred to as ¡§the Contract¡¨) for the Highways Department of Hong Kong Special Administrative Region (HKSAR). The Contract was awarded to China Harbour Engineering Co., Ltd. (hereafter referred to as ¡§the Contractor¡¨) and ETS-Testconsult 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 HKBCF which is a ¡§Designated Project¡¨, under Schedule 2 of the Environmental Impact Assessment Ordinance (EIAO) (Cap 499) and 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 works of the Contract started on 25 July 2014 and the construction works of the Contract commenced on 24 November 2014. The works area of the Contract is shown in Appendix A.

 

1.1.3  This is the Ninth Quarterly Environmental Monitoring and Audit (EM&A) Report for the Contract which summaries the audit findings of the EM&A programme during the reporting period from 01 December 2016 to 28 February 2017.

                                                                                                                                                                                                                                                                                                                                                1.2       Project Organization

 

1.2.1 The project organisation 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 of Key Staff

Tel. No.

Fax No.

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

Resident Engineer

Mr. Winston Wong

6330 8293

3152 5116

Mr. Dominic Mow

6274 0909

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

Environmental Project Office Leader

Mr. Y. H. Hui

3465 2888

3465 2899

Independent Environmental Checker

Mr. Raymond Dai

3465 2888

3465 2899

Environmental Site Supervisor

Mr. Ray Yan

5181 8165

3465 2899

Contractor (China Harbour Engineering Co., Ltd.)

Environmental Officer

Mr. Richard Ng

5977 0593

3915 0300

Assistant Environmental Officer

Mr. Paper Chan

6486 8967

3915 0300

Environmental Supervisor

Mr. Endy Tse

5512 2662

3915 0300

Environmental Team (ETS-Testconsult Ltd.)

Environmental Team Leader

Mr. C. L. Lau

2946 7791

2695 3944

 

 

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:

 

l                 Bored Piling in Portion C;

l                 Pier / Abutment in Portion A, C & F;

l                 Pile Cap in Portion C & F ;

l                 Pre-bored H-pile for sign gantries in Portion C & F;

l                 Storm drain and water main construction ;

l                 Retaining wall, slop and earth works

l                 Footing construction of directional signs, cable trench and ducting;

l                 Marine Delivery of precast segment & Construction of bridge deck in Portion D, A, E, C & F

l                 Marine sediment excavation activities from the land-based works and corresponding

disposal at the designated disposal sites


2          EM&A Requirement

 

2.1        Summary of EM&A Requirements

 

2.1.1    The monthly 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 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, noise monitoring at NMS2 and NMS3B show at Figure 1 and Table 2.1, water quality monitoring stations show at Figure 2 and Table 2.2 and dolphin monitoring show at Figure 3 as part of EM&A programme if these monitoring stations are no longer covered under Contract No. HY/2010/02 and HY/2011/03. However, this is subject to ENPO¡¦s final decision on which ET should carry out the monitoring works at these stations.

 

The ET of the Contract or another ET of the HZMB project is required to conduct dolphin monitoring at 23 transects 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. Figure 3 shows the co-ordinates for the transect lines and layout map.

 

2.1.2     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 1.

 

Table 2.1    Air Quality and Noise Monitoring Locations

Environmental Monitoring

Identification No.

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 AMS listed in the table as part of EM&A programme according to latest notification from ENPO when the monitoring station(s) is/are no longer covered by another ET of the HZMB project.

 

(2)     The air quality monitoring location AMS7A was relocated back to the original monitoring location AMS7 of the updated EM&A Manual started from January 2016.

 

(3)     ET of this Contract should conduct impact noise monitoring at the NMS listed in the table as part of EM&A programme according to 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.

 

 


2.1.3     A summary of water quality monitoring stations are presented in Table 2.2. The location of water quality monitoring stations are shown as in Figure 2.

 

Table 4.1         Water Quality Monitoring Stations (construction phases)

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

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

SR6

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

805837

821818

SR7

Sensitive receivers (Tai Mo Do)

814293

821431

SR10A [1]

Sensitive receivers (Ma Wan FCZ)1

823741

823495

SR10B(N)[1]

Sensitive receivers (Ma Wan FCZ)2

823683

823187

CS(Mf)3

Control Station

809989

821117

CS(Mf)5

Control Station

817990

821129

CS4

Control Station

810025

824004

CS6

Control Station

817028

823992

CSA [2]

Control Station

818103

823064

Note:

 

(1)         Additional monitoring station for Ma Wan FCZ.

 

(2)         Additional control monitoring station for Ma Wan FCZ

 

Remarks:

 

The ET of this Contract should conduct impact water quality monitoring at the WQMS listed in the table as part of EM&A programme according to latest notification from ENPO when the monitoring station(s) is/are no longer covered by another ET of the HZMB project. The ET of the Contract shall communicate and share the monitoring data to the ET(s) of other works contracts if the water quality monitoring station(s) is/are as part of EM&A programme.

 

 

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 Reports prepared for Contract Nos. HY/2010/02 and HY/2011/03.

 

2.3         Action and Limit Levels

 

2.3.1     The Action and Limit Levels for 1-hr TSP and 24-hr TSP are provided in Table 2.3 and Table 2.4 respectively.


Table 2.3    Action and Limit Levels for 1-hour TSP

 

Monitoring Station

Action Level,mg/m3

Limit Level,mg/m3

 AMS6 ¡V Dragnair / SNAC (Group) Building (HKIA)

              360

              500

 AMS7 ¡V Hong Kong SkyCity Marriott Hotel

            370

            500

 

Table 2.4    Action and Limit Levels for 24-hour TSP

Monitoring Station

Action Level, mg/m3

Limit Level,mg/m3

AMS6 ¡V Dragnair / SNAC (Group) Building (HKIA)

173

260

AMS7 ¡V Hong Kong SkyCity Marriott Hotel

183

260

 

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 provided in Table 2.5

 

Table 2.5    Action and Limit Levels 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 2.6

 

Table 2.6    Action and Limit Levels for Water Quality

Parameters

Action

Limit

DO in mg/L

(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 (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 4.2mg/L and 3.6mg/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 2.7 & Table 2.8

 

Table 2.7    Action and Limit Levels for Chinese White Dolphin Monitoring ¡V 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)]

For North Lantau Social Cluster, action level will be trigger if either NEL or NWL fall below the criteria; limit level will be triggered if both NEL and NWL fall below the criteria.

 

Table 2.8    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)]

The ET of this Contract should conduct impact dolphin monitoring as part of EM&A programme according to latest notification from ENPO when the monitoring transect(s) is/are no longer covered by another ET of the HZMB project.

 

2.3.8   If exceedance(s) at these transect(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 and action plan is 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 (December 2016, January 2017 and February 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 report 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 station AMS7 by the Environmental Team 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 were reported in the monthly EM&A Reports (December 2016, January 2017 and February 2017) prepared by Contract No. HY/2010/02.

 

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

 

3.3        Water Quality Monitoring Result

 

3.3.1    The monitoring results for the monitoring stations showed in Table 2.2 are reported in the monthly EM&A Reports (December 2016, January 2017 and February 2017) prepared for Contract No. HY/2010/02. There were four exceedances recorded during the reporting period. In December 2016, one Action Level exceedance of SS on impact water quality monitoring at station IS(Mf)9 during mid-flood tide was recorded on 14 December 2016. In January 2017, there was no Action and Limit Level exceedance for water quality recorded at the monitoring stations. In February 2017, two Action Level exceedances of SS on impact water quality monitoring at station IS8 and SR7 during mid-flood tide were recorded on 06 February 2017 and 15 February 2017, one Action Level exceedance of SS on impact water quality monitoring at station SR6 during mid-ebb tide was recorded on 10 February 2017.

 

3.3.2         December 2016

There was one Action Level exceedance of Suspended Solids on impact water quality monitoring at station IS(Mf)9 during mid-flood tide recorded on 14 December 2016. Exceedance was not due to operation of the works under Contract No. HY/2013/02 because there was no marine works or barge of this Contract worked at HKBCF reclamation site near the sea area or area near the monitoring station IS(Mf)9 from 01 December 2016 to the water quality monitoring period at 07:51 on 14 December 2016 which was unlikely to generate suspended solids in the marine water. Therefore, it is unlikely that the SS exceedance recorded at IS(Mf)9 during mid-flood tide on 14 December 2016 was contributed by the works under Contract No. HY/2013/02.

 

3.3.3    January 2017

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

 

3.3.4    February 2017

There was two Action Level exceedances of SS at station IS8 and SR7 during mid-flood tide recorded on 06 February 2017 and 15 February 2017, one Action Level exceedance of SS at station SR6 during mid-ebb tide was recorded on 10 February 2017. The three exceedances were not relevant to this Contract since there was no marine works or barge of this Contract worked at HKBCF reclamation site near the sea area or area near the monitoring station IS8 and SR7 from 04 February 2017 to 06 February 2017 and 13 February 2017 to 15 February 2017 which was unlikely to generate suspended solids in the marine water. Besides, during 08 February 2017 to 10 February 2017, there was no marine works worked at HKBCF reclamation site near the sea area or area near the monitoring station SR6 except only one marine pre-cast segment delivery barge which passed through the north-east side with distance more than 4000 meters from the monitoring station SR6. Therefore, it is unlikely that the SS exceedances recorded at IS8 and SR7 during mid-flood tide on 06 February 2017 and 15 February 2017 and SR6 during mid-ebb tide on 10 February 2017 were contributed by the works under Contract No. HY/2013/02.

 

3.3.5         There was no exceedance recorded on other monitoring date at the monitoring stations showed in Table 2.2 by the Environmental Team of Contract No. HY/2010/02 during the reporting period.

 

3.3.6         Although the above mentioned exceedances were not relevant to this Contract, the Contractor was reminded to ensure all construction activities that generate wastewater with high concentrations of suspended solid (SS) should be collected to sedimentation tanks or package treatment systems for proper treatment prior to disposal. The Contractor was also reminded to ensure that all silt removal facilities, channels and manholes shall be maintained and any deposited silt and grit shall be removed regularly.

 

3.4               Dolphin monitoring Result

 

3.4.1          Impact dolphin monitoring results at all transects were reported in the EM&A Report prepared for Contract No. HY/2010/02. One limit level exceedance was recorded in the monitoring period (December 2016 ¡V February 2017).

 

3.4.2          During this reporting period, no marine base construction work was conducted by Contract No. HY/2013/02. After checked the Contractor¡¦s Marine Travel Route record, there were sixteen, twelve and ten trips of dry cargo barge recorded on December 2016, January 2017 and February 2017 and no other vessel under Contract No. HY/2013/02 in or out the HKBCF perimeter silt curtain during the reporting period. All trips of dry cargo barge recorded were restricted and followed the Regular Marine Travel Routes Plan. The RMTRP training was provided for the Captain since 21 July 2016 and all barges recorded during the reporting period were travelled in regular travel routes. No barge exceeded the speed limit was recorded.

 

3.4.3          The exceedance is still under investigation by Contract No. HY/2010/02. The Investigation Report (including the causes of exceedance, action taken and recommendation for mitigation) for Action or Limit Level Non-compliance will be prepared by the ET of Contract No. HY/2010/02 and detailed in the quarterly EM&A Report prepared for Contract No. HY/2010/02. The implementation of Regular Marine Travel Route Plan (RMTRP) for the above mentioned dry cargo barges of marine transportation undertaken by Contract No. HY/2013/02 during the reporting period were checked by the ET. The Regular Marine Travel Route Plan were prepared and given to the Caption to use in order to minimize the chance of vessel collision and the routes would not go through the dolphin hotspot in Brothers Islands.

 

3.4.4    Although the exceedance was not relevant to this Contract, the Contractor was reminded to ensure provision of ongoing maintenance to the silt curtains and to carry out maintenance work by the Contractor of Contract No. HY/2010/02 once defects were found.

 

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 project site and associated works areas when construction activities are being undertaken.

 

3.5.3      The Contractor was reminded to provide well-maintained plant operated on-site and plant served regularly;

 

3.5.4     The Contractor was reminded to switch off vehicles and equipment while not in use;

 

3.5.5     The Contractor was reminded to schedule the construction works to minimize noise nuisance etc.

 

3.5.6     The Contractor was reminded to ensure all construction activities that generate wastewater with high concentrations of suspended solid (SS) should be collected to sedimentation tanks or package treatment systems for proper treatment prior to disposal.

 

3.5.7     The implementation status of Regular Marine Travel Route Plan (RMTRP) was checked by ET. Training material of Regular Marine Travel Route Plan was prepared and given to relevant staff. Those records were kept properly. Since the marine delivery of precast segments was commenced and the RMTRP training was provided for the Captain on 21 July 2016, the Captain was reminded to use regular travel routes in order to minimize the chance of vessel collision and the routes would not go through the dolphin hotspot in Brothers Islands. The marine traffic records and geographical plots of all the vessels tracks to demonstrate the conformance of the vessel to the proposed route in December 2016, January 2017 and February 2017 would be provided to ER, ETL, IEC/ENPO for checking within the month of January 2017, February 2017 and March 2017 respectively.

 

3.5.8     The tool box training of dolphin was carried out in Dec 2015. According to the action plan and communication flow chart of dolphin instruction, if any dolphin intruded BCF perimeter silt curtain, ETL should be informed. There was no notification received on any dolphin intrusion the site area of Contract No. HY/2013/02 during the reporting period.

 

3.5.9     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     88 m3 of excavated marine sediment was generated in this reporting period. The excavated marine sediment was stored properly on site during this reporting period until further instruction by the Engineer. The disposal of excavated sediment as per EP-353/2009/K to be implemented subject to confirmation.

 

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

 

3.6.4       Disposal of Marine Sediment

 

3.6.4.1   For the marine sediment disposal, after the acceptance of the review of the approved Sediment Quality Report (SQR) for this Project under EPD letter dated 19 August 2015, an approval to dispose the marine sediment extracted from bored piling for this Project was then approved under memo from Secretary, Marine Fill Committee of CEDD dated 20 August 2015 for the disposal of marine sediment extracted from bored piling works. The disposal sites allocated to this Project are the Mud Pit CMP2 of the Confined Marine Sediment Disposal Facility to the South of The Brothers (or at the East of Sha Chau). As advised by CEDD in the memo dated 19 February 2016, from 00:00 on 22 March 2016 onward, the disposal space at CMP2 of the South of The Brothers is closed and all disposal of contaminated sediment is to be carried out at CMP Vd to the East of Sha Chau (ESC). As a practical means, the disposal operation is managed by one contractor who is also responsible for applying dumping permit and its subsequent extension applications from EPD. Contract No. HY/2013/03 has been assigned to coordinate and arrange for disposal of extracted marine sediment from Contract Nos. HY/2013/02, HY/2013/03 and HY/2013/04.

           

3.6.4.2   For the dumping arrangement, the barge for disposal of marine sediment will moor at the temporary loading and unloading at the east shore of the HKBCF Island, which has been being used by contractor Contract No. HY/2010/02 for reclamation activities. In terms of safety consideration and to avoid mixing of sediment between contracts, each dumping date will be allocated to one Contract. The quantity of marine sediment disposed on each date is from one Contract.

 

3.6.4.3   During dumping, HY/2013/02 is responsible for transporting the marine sediment from his site area to the barge by Land transportation. The estimated quantity of marine sediment in each truck is confirmed by Resident Site Staff of each Contract. The trip tickets for transportation and disposal of marine sediment are collected and checked. Contract No. HY/2013/03 as the dumping permit holder (EP/MD/17-088 and EP/MD/17-105 in this reporting period) is responsible for reporting to EPD the quantity disposed of as the condition stipulated in the dumping permit.

 

3.6.5      Marine sediment extracted from bored piling in this Contract was disposed to allocated dumping site via Contract No. HY/2013/03 in December 2016 to February 2017. The quantity disposed up to end of February 2017 was 18608 m3. The Monthly Summary of Marine sediment disposed to dumping site was provided in Appendix G and Table 3.1.

 

Table 3.1    Summary of marine sediment disposed to dumping site via Contract No. HY/2013/03

Month/Year

Quantity disposed (m3)

January 2016

1272

February 2016

2816

March 2016

600

April 2016

5218

May 2016

0

June 2016

1200

July 2016

728

August 2016

1784

September 2016

2328

October 2016

1096

November 2016

0

December 2016

1568

January 2017

0

February 2017

88

Total =

18608

 

3.6.6      The Contractor shall ensure no spilling and overflowing of materials during loading / unloading / transportation is allowed.

 

3.6.7      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 Packing, Labelling and Storage of Chemical Waste.

 

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 report 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 station 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 of noise recorded at station NMS2 and station NMS3B by the Environmental Team of Contract No. HY/2010/02 during the reporting period.

 

4.1.4          For water quality monitoring, there were four exceedances recorded during the reporting period. In December 2016, one Action Level exceedance of SS on impact water quality monitoring at station IS(Mf)9 during mid-flood tide was recorded on 14 December 2016. In January 2017, There was no Action and Limit Level exceedance for water quality recorded at the monitoring stations. In February 2017, two Action Level exceedances of SS on impact water quality monitoring at station IS8 and SR7 during mid-flood tide were recorded on 06 February 2017 and 15 February 2017, one Action Level exceedance of SS on impact water quality monitoring at station SR6 during mid-ebb tide was recorded on 10 February 2017. After investigation, there was concluded that the exceedances were not relevant to this Contract. There was no Action and Limit Level exceedance recorded on other monitoring date at the monitoring stations showed in Table 2.2 by the Environmental Team of Contract No. HY/2010/02 during the reporting period. The Investigation Reports No. 011, 012 and 013 (including the causes of exceedance, action taken and recommendation for mitigation) on Action or Limit Level Non-compliance are provided in Appendix J.

 

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

 

4.2               Summary of Complaints, Notification of Summons and Successful Prosecution

4.2.1          There were five complaints received during the reporting period.

1.                   One complaint was received by EPD from public on 01 December 2016 and was forwarded by EPD to the HYD and ENPO and then to the R.E. (AECOM) on 01 December 2016.Then the R.E. (AECOM) forwarded the complaint by email to the Contractor (China Harbour) and the ET (ETS-Testconsult Ltd.) of Contract No. HY/2013/02 at 17:57 on 01 December 2016. The complainant complained that large amount of mud/slurry at East Coast Road suspiciously originated from HZMB construction site.

2.                   One complaint was received by Contract No. HY/2010/02 referred by the Government¡¦s Hotline (1823) on 02 December 2016 and was forwarded by ENPO to the R.E. (AECOM), the Contractor (China Harbour) and the ET (ETS-Testconsult Ltd.) of Contract No. HY/2013/02 by email on 14 December 2016. The complainant complained that the whole stretch of East Coast Road & Tung Fai Road is truly disgusting. The stone debris big and small and the mud is a nuisance to those who use the road every day. When dry there is a lot of dust and when it rains or when the road washing trucks are out it becomes a muddy mess. Cars and pedestrians are covered in dust or mud, cars are hit by stones is a daily hazard. Washing of construction vehicles is inadequate as the sand and soil is carried out onto the roads. Oversight of road conditions are not carried out by the Airport Authority. An alternative route should be created for the large number of construction vehicles as they drive fast.

3.                   One complaint was received by EPD on 13 December 2016 and referred by EPD to the ENPO on 14 December 2016. Then the ENPO forwarded the complaint by email to the R.E. (AECOM), the Contractor (China Harbour) and the ET (ETS-Testconsult Ltd.) of Contract No. HY/2013/02 on 14 December 2016. The complainant complained that hammering noise generated over-night from unidentified sources possibly from Construction Sites of HZMB near a month.

4.2.2          The follow-up inspections for the above mentioned complaints on 01, 02, 13 December 2016 were performed by the ET of Contract No. HY/2013/02 on 02 and 15 December 2016. The complaint investigation reports (Log No. 006, 007 and 008) were issued by the ET of Contract No. HY/2013/02 and verified by the IEC/ENPO on 14, 16 and 19 December 2016.

 

4.2.3          According to the investigation on 01, 02, 13 December 2016, no mud/slurry was observed around the East Coast Road site entrance during the site inspection and audit on 01 December 2016, no stone debris and mud/slurry were observed around the East Coast Road site entrance according to the Contractor and RE¡¦s site checking on 02 December 2016 and the construction works of this Contract during the past month was carried out from 08:00 up to 23:00 and no any works and PME operation were undertaken at night-time after 23:00 until 13 December 2016 by Contract No. HY/2013/02.  The complaints were found non-related to Contract No. HY/2013/02. The complaint investigation reports (Log No. 006, 007 and 008) for the above mentioned complaints on 01, 02 13 December 2016 were provided in Appendix K.

 

4.                   One complaint was received by Highways Department and referred by Highways Department to Contract No. HY/2010/02 on 28 December 2016. Then the ENPO forwarded the complaint by email to the R.E. (AECOM), the Contractor (China Harbour) and the ET (ETS-Testconsult Ltd.) of Contract No. HY/2013/02 at 20:17 on 28 December 2016. The complainant complained that [¤jÀ¬¤s´ä¯]¿D¤H¤u®q¦a½L¦h¶µ°ÝÃD¡A§ë¶D¤H«ü¥X¦a½L¤º°A±wÄY­«¡A¦Ó¥B¬~¤â¶¡½Ã¥Í¤í¨Î©M¨R¬~³]¬I¤£¨¬¡A¬OÄݩ󤤰ê´äÆW«Ø¿vªº¦a½L¡A­n¨D³¡ªù¸ò¶i¡C]

 

4.2.4.       The follow-up inspection for the above mentioned complaint on 28 December 2016 was performed by the ET of Contract No. HY/2013/02 on 29 December 2016. The complaint investigation report (Log No. 009) was issued by the ET of Contract No. HY/2013/02 on 31 December 2016 and verified by the IEC/ENPO on 11 January 2017.

 

4.2.5.       According to the investigation, the site environment of the working areas were found acceptable that no mosquito was observed and cleanness of portable toilets were also found acceptable but it will have some improvement. Hence, the complaint was found non-related to Contract No. HY/2013/02. The complaint investigation report (Log No. 009) was provided in Appendix K.

 

5.                   One complaint received by Environmental Protection Department from a bus operator at the Hong Kong International Airport recently and referred to the ENPO. Then the ENPO forwarded the complaint by email to the R.E. (AECOM), the Contractor (China Harbour) and the ET (ETS-Testconsult Ltd.) of Contract No. HY/2013/02 at 12:17 on 09 January 2017. The complainant complained that the external bodies of buses & vehicles were seriously stained by the heavy dusts and mud produced from the construction sites onto the East Coast Road & Tung Fai Road, Airport Road Interchange and Sky City Interchange.

 

4.2.6.       The follow-up inspection was performed by the Environmental Officer and the RE of Contract No. HY/2013/02 and EPD¡¦s senior inspector Dionne Leung on 10 January 2017. The complaint investigation report (Log No. 010) was issued by the ET of Contract No. HY/2013/02 and verified by the IEC/ENPO on 23 January 2017.

 

4.2.7.       According to the investigation, no mud/slurry was observed around the East Coast Road site entrance during the site inspection on 10 January 2017. Mitigation measures under the item A2 and W2 of EMIS were implemented including provide vehicle washing facilities with high pressure water jet at vehicle exit point and the area where vehicle washing takes place, the portion of road to construction site of the vehicle entrance or exit was kept clear of dusty materials, all vehicles and plant were cleaned before they leave the construction site, wheel overflow was directed to silt removal facilities before being discharged, the road section between the washing facilities and the exit point was hard paved and reminders were provided at the wheel washing basin and exit to remind all Contract(s) vehicles using the site exit for proper wheel washing etc. Besides, after received the last complaint from the EPD on 01 December 2016, the cleaning actions were reinforced such as providing one person at the site entrance for cleaning up the mud/slurry, frequently checking the East Coast Road site entrance. Hence, the complaint was found non-related to Contract No. HY/2013/02. The complaint investigation report (Log No. 010) was provided in Appendix K.

 

4.2.8.       Although the complaints were non-related to Contract No. HY/2013/02, the Contractor of Contract No. HY/2013/02 was reminded to provide appropriate mitigation measures such as:

1.           To check the East Coast Road site entrance more frequently to ensure no mud/slurry at the site entrance;

2.           To clean up the mud/slurry immediately to avoid public nuisance no matter the mud/slurry was generated from them or not once received the complaint of the location which specified within Contract No. HY/2013/02¡¦s site boundary at portion I;

3.           To provide one person stayed at the site entrance during working hours for cleaning up the mud/slurry;

4.           Provide well-maintained plant operated on-site and plant served regularly;

5.           Switched off vehicles and equipment while not in use;

6.           Scheduled the construction works to minimize noise nuisance;

7.           Avoid to use hammering equipment during any night works; and

8.           Comply with the valid CNP for overnight operation

9.           Provide appropriate mitigation measures to prevent mosquito breeding, such as to clear potential stagnant pools or add mosquito oil into the pools

10.       Provide sufficient facilities for the toilets cleaning and arrange the cleaning of toilets more frequently.

11.       Assign a person to check and clear sand/mud, clean up the mud/slurry immediately by washing lorry & sweeper to avoid public nuisance

12.       Check all vehicles and plant were cleaned before they leave the construction site, treat the washing water by sedimentation tanks and Wetsep

13.       Enhance daily cleaning for the precipitate at Wheel Washing Bay (WWB) and the haul road lead to site entrance

14.       Purify and recycle the water at WWB by Wetsep before discharge.

 

4.2.9          There were no notifications of summons or prosecutions received during the reporting period.

 

4.2.10      Statistics on environmental complaints, 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 inspection undertaken during the reporting period, the following recommendations were provided:

 

n              The Contractor was reminded to dispose the general refuse properly;

n              The Contractor was reminded to provide appropriate label for temporary storage area;

n              The Contractor was reminded to clear the muddy water on the road between vehicle washing facility and exit;

n              The Contractor was reminded to  sort the C & D materials and general refuse;

n              The Contractor was reminded to provide drip tray for the chemical containers;

n              The Contractor was reminded to provide Impervious cover for the pulverized soil;

n              The Contractor was reminded to provide appropriate NRMM label for the machines;

n              The Contractor was reminded to provide impervious sheet to cover the Bentonite bags;

 

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 was started on 25 July 2014 and the construction works of the Contract commenced on 24 November 2014. This is the Ninth Quarterly EM&A Report which summaries findings of the EM&A work during the reporting period from 01 December 2016 to 28 February 2017.

 

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 report 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 station 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 of noise recorded at station NMS2 and station NMS3B by the Environmental Team of Contract No. HY/2010/02 during the reporting period.

 

5.3.5          There were four exceedances recorded during the reporting period. In December 2016, one Action Level exceedance of SS on impact water quality monitoring at station IS(Mf)9 during mid-flood tide was recorded on 14 December 2016. In January 2017, there was no Action and Limit Level exceedance for water quality recorded at the monitoring stations. In February 2017, two Action Level exceedances of SS on impact water quality monitoring at station IS8 and SR7 during mid-flood tide were recorded on 06 February 2017 and 15 February 2017, one Action Level exceedance of SS on impact water quality monitoring at station SR6 during mid-ebb tide was recorded on 10 February 2017. After investigation, there was concluded that the exceedances were not relevant to this Contract. There was no Action and Limit Level exceedance recorded on other monitoring date at the monitoring stations showed in Table 2.2 by the Environmental Team of Contract No. HY/2010/02 during the reporting period. The Investigation Reports No. 011, 012 and 013 (including the causes of exceedance, action taken and recommendation for mitigation) on Action or Limit Level Non-compliance are provided in Appendix J.

 

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

 

5.3.7          Environmental site inspections were carried out on 01, 09, 15, 22 and 29  December 2016, 05, 12, 16 and 26  January 2017 and 02, 09, 16 and 23  February 2017. Recommendations on remedial actions were given to the Contractors for the deficiencies identified during the site inspections.

 

5.3.8          There were five complaints received in relation to the environmental impact during the reporting period. The complaints were found non-related to Contract No. HY/2013/02. The complaint investigation reports (Log No. 006, 007, 008, 009 and 010) were provided in Appendix K.

 

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