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/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 (Version 1.0) and will be providing environmental team services to the Contract.

This is the twenty-first monthly EM&A Report for the Contract which summarizes findings of the EM&A works during the reporting period from 1 to 30 June 2016.

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 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.

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

Environmental Site Inspection: 1, 8, 15, 22 and 29 June 2016

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 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.

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 Piling Test (WA1);

�P Bulk Excavation at Box Culvert (WA1);

�P Pile Cropping (WA1);

�P Tie Beams (WA1);

�P Pile Capping (WA1);

�P Service Troughs construction (WA1);

�P Waterproofing (WA1);

�P Tower Crane Erection(WA1);

�P Southern Drop off Area Pile Capping and Column (WA1);

�P Suspended Slab Construction (WA1);

�P Marine Mud Treatment (WA1);

�P Backfilling (WA1);

�P Mega Column Construction (WA1);

�P Reinforced Concrete Structure Works at Common Utilities Enclosure (WA1);

�P Bored Pilling Works at Northern Footbridge (WA1);

�P Formwork and falsework stripping (WA1);

�P Column and Wall Construction (WA1);

�P Blockwork walls (WA1);

�P Pipework and ductwork (WA1);

�P Seawater Pump House Jet Grouting (WA1);

�P Footings for Roof Erection (WA1);

�P Hanger Rods for Cable Container (WA1);

�P Wet Trade Works (WA1);

�P Sheet Piling Seawater Pump House and Box Culvert (WA1);

�P Temporary Launch Tower (WA1); and

�P Launch Rail Installation (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/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 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 numbers of footbridge links;

�P Construction of a public toilet, 6 numbers 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 numbers 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 twenty-first Monthly EM&A Report for the Contract which summarizes the audit findings of the EM&A programme during the reporting period from 1 to 30 June 2016.

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
Contractor (Leighton �V Chun Wo Joint Venture)	Environmental Officer	Michael Lee	9502 5887	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 Piling Test (WA1);

�P Bulk Excavation at Box Culvert (WA1)

�P Pile Cropping (WA1)

�P Tie Beams (WA1)

�P Pile Capping (WA1)

�P Base Slab Construction and Service Troughs (WA1)

�P Waterproofing (WA1)

�P Tower Crane Erection (WA1)

�P Southern Drop Off Area Pile Capping & Column (WA1)

�P Suspended Slab Construction (WA1)

�P Marine Mud Treatment (WA1)

�P Backfilling (WA1)

�P Mega Column Construction (WA1)

�P Reinforced Concrete Structure Works at Common Utilities Enclosure (WA1)

�P Bored Pilling Works at Northern Footbridge (WA1)

�P Formwork and Falsework Stripping (WA1)

�P Column and Wall Construction (WA1)

�P Blockwork Walls (WA1)

�P Pipework and Ductwork (WA1)

�P Seawater Pump House Jet Grouting (WA1)

�P Footings for Roof Erection (WA1)

�P Hanger Rods for Cable Container (WA1)

�P Wet Trade Works (WA1)

�P Sheet Piling at Seawater Pump House and Box Culvert (WA1)

�P Temporary Launch Tower (WA1)

�P Launch Rail Installation (WA1)

1.4.2 No marine works were undertaken under the Contract during the reporting period from 1 to 30 June 2016.

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. 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 The ET of the Contract or another ET of the HZMB project is required to conduct air quality monitoring at AMS6 and AMS7 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 7^{(1), (2)}	Hong Kong SkyCity Marriott Hotel

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 (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.

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 7 - Hong Kong SkyCity Marriott Hotel	370	500

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 7 - Hong Kong SkyCity Marriott Hotel	183	260

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 AMS7 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 AMS7 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 No. 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 1, 8, 15, 22 and 29 June 2016.

4.1.2 Particular observations during the site inspections and corrective actions undertaken by the Contractor are described in Table 4.1.

Table 4‑1 Summary of Environmental Site Inspections

Date of Audit	Observations	Actions Taken by Contractor / Recommendation	Date of Observations Closed
9 March 2016	1. Stagnant water was found near Public Toilet No.7.	1. The stagnant water was cleared near Public Toilet No. 7.	1 June 2016
25 May 2016	1. No drip tray was provided for chemical containers at Common Utilities Enclosure (CUE).	1. The chemical containers were removed at CUE.	1 June 2016
1 June 2016	1. The haul road near the temporary loading and unloading point was dry.	1. The haul road was wet near the temporary loading and unloading point.	8 June 2016
1 June 2016	2. Stagnant water/chemicals inside a drip tray was nearly full.	2. The chemical drums and drip tray were removed.	8 June 2016
8 June 2016	1. A chemical container was found without drip tray.	1. The chemical container was removed.	15 June 2016
15 June 2016	No particular environmental issue was recorded during the site inspection.	NIL	NIL
22 June 2016	1.Rubbish was scattered on the ground.	1. Rubbish was cleared on the ground	29 June 2016
29 June 2016	1.Rubbish was found on the basement floor at CUE.	1. The Contractor was reminded to clear the rubbish on the basement floor at CUE.	Follow-up actions undertaken by the Contractor will be inspected during the site inspection to be undertaken in July 2016.

4.1.3 The Contractor has rectified most of observations as identified during environmental site inspections within this reporting month. The follow-up actions for observation issued for the last site inspection will be checked in the upcoming site inspection and reported in the next 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 Excavated marine sediment was generated and treated using cement solidification/stabilization (Cement S/S) techniques during the reporting period. The treated marine sediment was reused within the Contract site during reporting period. Remaining treated marine sediment was stored on site to be reused later. 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.

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 Practice 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 AMS7 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 July 2016 are summarized in Table 5.1.

Table 5.1 Construction Activities for July 2016

Site Area	Description of Activities
WA1	Piling Test
WA1	Bulk Excavation at Box Culvert
WA1	Pile Cropping
WA1	Tie Beams
WA1	Pile Capping
WA1	Service Troughs construction
WA1	Waterproofing
WA1	Tower Crane Erection
WA1	Southern Drop off Area Pile Capping and Column
WA1	Suspended Slab Construction
WA1	Marine Mud Treatment
WA1	Backfilling
WA1	Mega Column Construction
WA1	Reinforced Concrete Structure Works at Common Utilities Enclosure
WA1	Bored Pilling Works at Northern Footbridge
WA1	Formwork and falsework stripping
WA1	Column and Wall Construction
WA1	Blockwork walls
WA1	Pipework and ductwork
WA1	Seawater Pump House Jet Grouting
WA1	Footings for Roof Erection
WA1	Hanger Rods for Cable Container
WA1	Wet Trade Works
WA1	Sheet Piling Seawater Pump House and Box Culvert
WA1	Temporary Launch Tower
WA1	Launch Rail Installation