Contract No. HY/2013/01

Hong Kong-Zhuhai-Macao Bridge

Hong Kong Boundary Crossing Facilities ¡V Passenger Clearance Building

 

 

 

 

 

Monthly EM&A Report No. 11

(Covering the Period from 1 August 2015 to 31 August 2015)

 

10 September 2015

 

Revision 1

 

 

 

 

 

 

 

Main Contractor                                                                                                                     Environmental Team 

 

 

 

 

Contents

Executive Summary

1....... Introduction.. 1

1.1                          Basic Project Information. 1

1.2                          Project Organisation. 2

1.3                          Construction Programme. 2

1.4                          Construction Works Undertaken During the Reporting Period. 2

2....... Air Quality Monitoring.. 3

2.1                          Monitoring Locations. 3

2.2                          Monitoring Requirements. 3

2.3                          Monitoring Results. 4

3....... Noise Monitoring.. 5

3.1                          Monitoring Locations. 5

3.2                          Monitoring Requirements. 5

3.3                          Monitoring Results. 5

4....... Environmental Site Inspection and Audit 6

4.1                          Site Inspection. 6

4.2                          Advice on the Solid and Liquid Waste Management Status. 6

4.3                          Environmental Licenses and Permits. 7

4.4                          Implementation Status of Environmental Mitigation Measures. 7

4.5                          Summary of Exceedance of the Environmental Quality Performance Limit 7

4.6                          Summary of Complaints, Notification of Summons and Successful Prosecution. 7

5....... Future Key Issues. 8

5.1                          Construction Programme for the Coming Months. 8

5.2                          Environmental Site Inspection Schedule for the Coming Month. 8

6....... Conclusions. 9

6.1                          Conclusions. 9

 

 

 

 

 

 

 

 

 

Figures

Figure 2.1          Location of Air Quality Monitoring Stations

Figure 3.1          Location of Noise Monitoring Stations

 

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       Waste Flow Table

Appendix F       Environmental Licenses and Permits

Appendix G      Implementation Schedule for Environmental Mitigation Measures (EMIS)

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

Appendix I        Environmental Site Inspection Schedule


Executive Summary

This Monthly 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/I for HKBCF was issued on 17 July 2015. 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 (Version 1.0) and will be providing environmental team services to the Contract.

This is the eleventh Monthly EM&A Report for the Contract which summarizes findings of the EM&A works during the reporting period from 1 August 2015 to 31 August 2015.

Environmental Monitoring and Audit Progress

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 AMS7A 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. 

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

Environmental Site Inspection

5, 12, 19 and 26 August 2015

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 AMS7A 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.

Complaint Log

There were no complaints received in relation to the environmental impact during the reporting period.

Notifications of Summons and Successful Prosecutions

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

Reporting Change

There was no reporting change during the reporting period.

Future Key Issues

The future key issues to be undertaken in the upcoming month include:

¡P         Pile Testing at WA1;

¡P         Pile Cropping and Pile Capping Works at WA1;

¡P         Pile Capping Works and Column Construction at Southern drop off area of WA1;

¡P         Mega Column Construction at WA1;

¡P         Socket H-pile Works for Seawater Pump House at WA1;

¡P         Tie Beams Works at WA1;

¡P         Base Slab Construction at WA1;

¡P         Waterproofing for Pile cap and Tie Beams at WA1;

¡P         Tower Crane Erection at WA1;

¡P         Bulk Excavation Works WA1;

¡P         Reinforced Concrete Works for Box Culvert at WA1; and

¡P         Sheet Piling for Box Culvert at WA1.


1        Introduction

1.1                Basic Project Information

1.1.1          This monthly 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/I for HKBCF was issued on 17 July 2015. 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          The proposed works under this Contract comprise the following:

¡P            Construction of Passenger Clearance Building (PCB) including architectural and builders works, structural steel roof and reinforced concrete frames, basement, piled foundations, aluminium roof, curtain wall facades, building services and electrical and mechanical works;

¡P            Installation of district cooling system including seawater cooling intake pumping station, seawater intake and discharge water pipelines work; Installation of Chilled water cooling pipelines system, heat exchanger and chilled pumping system;

¡P            Construction of transport and associated facilities connecting to the PCB entailing the Emergency Vehicular Access, an at-grade mainland side drop-off area, an Hong Kong side elevated drop-off deck and 8 nos. of footbridge links;

¡P            Construction of a public toilet, 6 nos. of C&ED observation booths, a generator set building and a refuse storage & material recovery chamber;

¡P            Construction of a section of 70m common utilities enclosure and staff subway and civil provisions for associated electrical and mechanical works;

¡P            Construction of drainage, sewerage, fresh water & flushing water supply and utilities & service works;

¡P            Construction of civil provisions, including draw pits & ducting for Traffic Control and Surveillance System (TCSS) and Extra Low Voltage System (ELV);

¡P            Construction of box culvert A;

¡P            Construction of 2 nos. of vehicular bridge abutments at mainland side pickup area earthmound;

¡P            Construction of geotechnical works including top up the existing earth mound from +11.5mPD to the finished level as stated in the Contract, reinforced earth slope and fill slopes and special backdrop manhole at mainland side pick up area earthmound;

¡P            Landscape hardworks and softworks; and

¡P            Other works which are shown on the Drawings or specified in the Specification or which may be ordered in accordance with the Contract.

1.1.4       This is the eleventh Monthly EM&A Report for the Contract which summarizes the audit findings of the EM&A programme during the reporting period from 1 August 2015 to 31  August 2015.


 

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

Darrel Kingan

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

Gary Wong

3973 0488

3621 0180

Environmental Officer

Donald Ip

6461 8635

3621 0180

Environmental Team
(Atkins China Limited)

Environmental Team Leader

Sharifah Or

2972 1802

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:

¡P      Pile Testing at WA1;

¡P      Bulk Excavation Works at WA1;

¡P      Pile Cropping and Pile Capping Works at WA1;

¡P      Tie Beam Works at WA1;

¡P      Base Slab Construction at WA1;

¡P      Sheet Piling at box culvert of WA1;

¡P      Waterproofing for Pile Cap and Tie Beams at WA1; and

¡P      Pile Capping Works at Southern drop off area of WA1


 

2        Air Quality Monitoring

2.1                Monitoring Locations

2.1.1       The air quality 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.

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 air quality monitoring location (AMS7) was relocated to a nearby air sensitive receiver, Chu Kong Air-Sea Union Transportation Co. Ltd., from 5 February 2015.  The alternative location was approved by EPD on 5 February 2015.  The baseline and action/limit level for air quality as derived from the baseline monitoring data recorded at Hong Kong SkyCity Marriott Hotel was adopted for the alternative air quality location.

2.1.3       The ET of the Contract or another ET of the HZMB project is required to conduct air quality monitoring at AMS6 and AMS7A as part of EM&A programme if these air quality monitoring stations are no longer covered under Contract Nos. HY/2010/02 and HY/2011/03.  Figure 2.1 shows the locations of the air monitoring stations.

Table 2.1          Construction Dust Monitoring Locations

ID

Location Description

AMS 6(1)

Dragonair/CNAC (Group) Building

AMS 7A(1)

Chu Kong Air-Sea Union Transportation Co. Ltd.(2)

Remark:

(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 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.  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 has been relocated to Chu Kong Air-Sea Union Transportation Co. Ltd. since 5 February 2015.  The alternative monitoring location was approved by EPD on 5 February 2015. 

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.

2.2.2       The Action and Limit Levels for 1-hr TSP and 24-hr TSP are provided in Table 2.2 and Table 2.3, respectively.

Table 2.2          Action and Limit Levels for 1-hour TSP

Monitoring Station

Action Level, µg/m3

Limit Level, µg/m3

AMS 6 ¡V Dragonair / CNAC (Group) Building (HKIA)

360

500

AMS 7A - Chu Kong Air-Sea Union Transportation Co. Ltd.

370

 

Table 2.3         Action and Limit Levels for 24-hour TSP

Monitoring Station

Action Level, µg/m3

Limit Level, µg/m3

AMS 6 ¡V Dragonair / CNAC (Group) Building (HKIA)

173

260

AMS 7A - Chu Kong Air-Sea Union Transportation Co. Ltd.

183

 

2.2.3       The event and action plan is provided in Appendix D.

2.2.4       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 monthly EM&A Report.

2.3                Monitoring Results

2.3.1       The monitoring results for AMS6 and AMS7A are reported in the monthly EM&A Reports prepared for Contract Nos. HY/2011/03 and HY/2010/02, respectively.

2.3.2       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.

2.3.3       There was no Action and Limit Level exceedance of 1-hr TSP level and 24-hr TSP level recorded at AMS7A recorded by the ET of Contract No. HY/2010/02 during the reporting period.

 


3        Noise Monitoring

3.1                Monitoring Locations

3.1.1       The noise 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 impact noise monitoring at NMS2 and NMS3B as part of EM&A programme if these noise monitoring stations are no longer covered under Contract No. HY/2010/02. Figure 3.1 shows the locations of noise monitoring stations.

Table 3.1          Construction Noise Monitoring Locations

ID

Location Description

NMS2(1)

Seaview Crescent

NMS3B(1)(2)

Site Boundary of Site Office Area at Works Area WA2

Remarks:

(1)        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. 

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

 

3.2                Monitoring Requirements

3.2.1       The monitoring requirements, monitoring equipment, monitoring parameters, frequency and duration, monitoring methodology and monitoring schedule are detailed in the monthly EM&A Reports prepared for Contract Nos. HY/2010/02.

3.2.2      The Action and Limit Levels for construction noise are defined in Table 3.2.

Table 3.2          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.

* Limit level is 70 dB(A) for schools and 65 dB(A) during school examination period.

  

3.2.3       The event and action plan is provided in Appendix D.

3.2.4       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 monthly EM&A Report.

3.3                Monitoring Results

3.3.1       The monitoring results for NMS2 and NMS3B are reported in the monthly EM&A Reports prepared for Contract No. HY/2010/02.  No noise exceedances were recorded at stations NMS2 and NMS3B by the ET of Contract No. HY/2010/02 during the reporting period.


 

4        Environmental Site Inspection and Audit

4.1                Site Inspection

4.1.1       Site Inspections were carried out on a weekly basis to monitor the implementation of proper environmental pollution control and mitigation measures for the Project.  During the reporting period, site inspections were carried out on 5, 12, 19 and 26 August 2015. 

4.1.2       Particular observations during the site inspections and corrective actions undertaken by the Contractor are described below.

5 August 2015

(a)     Chemical containers were placed without drip trays. The chemical containers were removed. This observation was found on 29 July 2015 and closed on 5 August 2015.

(b)     Black smoke was observed to be emitted from an air compressor. Maintenance was provided for the air compressor. This observation was found on 5 August 2015 and closed on 12 August 2015.

(c)     A haul road was observed to be dry. Fugitive dust emission was observed when a vehicle passed by on the haul road. The haul road was observed wet during site inspection on 12 August 2015.This observation was found on 5 August 2015 and closed on 12 August 2015.

(d)     Water was found to be accumulated inside a drip tray. The stagnant water inside the drip tray was cleared. This observation was found on 5 August 2015 and closed on 12 August 2015.

12 August 2015

(a)     Chemical containers were placed without drip tray. The chemical containers were removed. This observation was found on 12 August 2015 and closed on 19 August 2015.

19 August 2015

(a)     Chemical containers were placed without drip tray at Portion WA1. The empty chemical containers were placed inside a drip tray. This observation was found on 19 August 2015 and closed on 26 August 2015.

(b)     Stagnant water was observed at Portion WA1. The water was diverted to a wastewater treatment plant for treatment prior to discharge. This observation was found on 19 August 2015 and closed on 26 August 2015.

26 August 2015

(a)   Water accumulation was found inside a drip tray provided for a generator. The Contractor is recommended to remove the accumulated water inside the drip tray.

The Contractor has rectified most of the observations as identified during environmental site inspections within this reporting month. Follow-up actions for outstanding observation will be checked in the upcoming site inspection and reported in the coming reporting period.

4.2               Advice on the Solid and Liquid Waste Management Status

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

4.2.2       No excavated marine sediment was generated and treated using cement solidification/stabilization (Cement S/S) techniques during the reporting period.

4.2.3       The monthly summary of waste flow table is detailed in Appendix E.

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

4.3               Environmental Licenses and Permits

4.3.1       The valid environmental licenses and permits during the reporting period are summarized in Appendix F.

4.4               Implementation Status of Environmental Mitigation Measures

4.4.1       In response to the site audit findings, the Contractors carried out corrective actions.

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

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

4.5               Summary of Exceedance of the Environmental Quality Performance Limit

4.5.1       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.

4.5.2       There was no Action and Limit Level exceedance of 1-hr TSP level and 24-hr TSP level recorded at AMS7A by the Environmental Team of Contract No. HY/2010/02 during the reporting period.

4.5.3       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.

4.6                Summary of Complaints, Notification of Summons and Successful Prosecution

4.6.1       There were no complaints received in relation to the environmental impact during the reporting period. No notification of summons and prosecution was received during the reporting period.

4.6.2       Statistics on environmental complaints, notifications of summons and successful prosecutions are summarized in Appendix H.


5        Future Key Issues

5.1               Construction Programme for the Coming Months

5.1.1       As informed by the Contractor, the major construction activities for September 2015 are summarized in Table 5.1.

Table 5.1          Construction Activities for September 2015

Site Area

Description of Activities

WA1

Pile Testing

WA1

Pile Cropping and Pile Capping Works

Southern drop off area of WA1

Pile Capping Works and Column Construction

WA1

Mega Column Construction

WA1

Socket H-pile Works for Seawater Pump House

WA1

Tie Beams Works

WA1

Base Slab Construction

WA1

Waterproofing for Pile Cap and Tie Beams

WA1

Tower Crane Erection

WA1

Bulk Excavation Works

WA1

Reinforced Concrete Works for Box Culvert

WA1

Sheet Piling for Box Culvert

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

5.2               Environmental Site Inspection Schedule for the Coming Month

5.2.1       The tentative schedule for weekly site inspections for September 2015 is provided in Appendix I.

 


6        Conclusions

6.1               Conclusions

6.1.1       The site preparation work of the Contract started on 26 September 2014 and the construction works of the Contract commenced on 6 October 2014. The eleventh Monthly EM&A Report summarizes findings of the EM&A works during the reporting period from 1 August 2015 to 31 August 2015.

6.1.2       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.

6.1.3       There was no Action and Limit Level exceedance of 1-hr TSP level and 24-hr TSP level recorded at AMS7A by the Environmental Team of Contract No. HY/2010/02 during the reporting period.

6.1.4       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.

6.1.5       An environmental site inspection was carried out on 5, 12, 19 and 26 August 2015.  Recommendations on remedial actions were given to the Contractors for the deficiencies identified during the site inspections.

6.1.6       There were no complaints received in relation to the environmental impact during the reporting period.

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