Contract No: HK/2015/01

Wanchai Development Phase II and Central Wanchai Bypass

Sampling, Field Measurement and Testing Work (Stage 3)

Environmental Permit no. EP-356/2009,

Further Evironmental permit nos. fep-02/356/2009, FEP-03/356/2009, Fep-04/356/2009

Fep-06/356/2009, FEP-07/356/2009 and FEP-08/356/2009

Quarterly Environmental Monitoring

and Audit Report

- September 2017 to November 2017 -

CLIENTS:	PREPARED BY:
Civil Engineering and Development Department and Highways Department	Lam Geotechnics Limited 11/F Centre Point 181-185 Gloucester Road, Wanchai, H.K. Telephone: (852) 2882-3939 Facsimile: (852) 2882-3331 E-mail: info@lamenviro.com Website: http://www.lamenviro.com
	CHECKED by:
	Raymond Dai Environmental Team Leader
	DATE:
	February 2018

Table of contents

EXECUTIVE SUMMARY. 4

1. Introduction. 9

1.1 Scope of the Report 9

1.2 Structure of the Report 9

2. Project Background. 10

2.1 Background. 10

2.2 Scope of the Project and Site Description. 10

2.3 Division of the Project Responsibility. 11

2.4 Project Organization and Contact Personnel 13

2.5 Principal Work and Activities. 14

3. Monitoring Requirements. 16

3.1. Noise Monitoring. 16

3.2. Air Monitoring. 17

3.3 Water Quality Monitoring. 20

4. Monitoring Results. 26

4.1. Noise Monitoring Results. 26

4.2. Air Monitoring Results. 29

4.3 Water Monitoring Results. 32

4.4 Waste Monitoring Results. 39

5. Compliance Audit. 46

5.1. Noise Monitoring. 46

5.2. Air Monitoring. 46

5.3. Water Quality Monitoring. 47

5.4. Site Audit 50

5.5. Review of the Reasons for and the Implications of Non-compliance. 50

5.6. Summary of action taken in the event of and follow-up on non-compliance. 51

6. Complaints, Notification of Summons and Prosecution. 53

7. Cumulative Construction Impact due to the Concurrent Projects. 54

8. Conclusion. 55

lIST OF TABLES

Table I Principal Work Activities for Contract no. HK/2009/01

Table II Principal Work Activities for Contract no. HK/2009/02

Table III Principal Work Activities for Contract no. HY/2009/15

Table IV Principal Work Activities for Contract no. HY/2009/19

Table V Principal Work Activities for Contract no. HK/2012/08

Table VI Principal Work Activities for Contract no. HY/2010/08

Table 2.1 Schedule 2 Designated Projects under this Project

Table 2.2 Details of Individual Contracts under the Project

Table 2.3 Contact Details of Key Personnel

Table 2.4 Principal Work Activities for Contract no. HK/2009/01

Table 2.5 Principal Work Activities for Contract no. HK/2009/02

Table 2.6 Principal Work Activities for Contract no. HY/2009/15

Table 2.7 Principal Work Activities for Contract no. HY/2009/19

Table 2.8 Principal Work Activities for Contract no. HK/2012/08

Table 2.9 Principal Work Activities for Contract no. HY/2010/08

Table 3.1 Noise Monitoring Stations

Table 3.2 Air Monitoring Stations

Table 3.3 Marine Water Quality Stations for Water Quality Monitoring

Table 3.4 Marine Water Quality Monitoring Frequency and Parameters

Table 3.5 Marine Water Quality Stations for Enhanced Water Quality Monitoring

Table 4.1 Noise Monitoring Station for Contract nos. HK/2009/01 and HK/2009/02

Table 4.2 Noise Monitoring Station for Contract nos. HY/2009/15

Table 4.3 Noise Monitoring Stations for Contract no. HY/2009/19

Table 4.4 Noise Monitoring Stations for Contract no. HY/2010/08

Table 4.5 Air Monitoring Stations for Contract no. HK/2009/01

Table 4.6 Air Monitoring Station for Contract no. HK/2009/02

Table 4.7 Air Monitoring Station for Contract no. HY/2009/15

Table 4.8 Air Monitoring Stations for Contract no. HY/2009/19

Table 4.9 Air Monitoring Station for Contract no. HK/2012/08

Table 4.10 Air Monitoring Stations for Contract no. HY/2010/08

Table 4.11 Water Monitoring Stations for Contract no. HK/2009/01

Table 4.12 Water Monitoring Stations for Contract no. HK/2009/02

Table 4.13 Water Monitoring Stations for Contract no. HK/2012/08

Table 4.14 Water Monitoring Stations for Contract no. HY/2009/15

Table 4.15 Enhance Dissolved Oxygen Monitoring Stations for Contract no. HY/2009/15

Table 4.16 Water quality monitoring Stations for Contract no. HY/2010/08

Table 4.17 Enhance Dissolved Oxygen Monitoring Stations for Contract no. HY/2010/08

Table 4.18 Details of Waste Disposal for Contract no. HK/2009/01

Table 4.19 Details of Waste Disposal for Contract no. HK/2009/02

Table 4.20 Details of Waste Disposal for Contract no. HY/2009/15

Table 4.21 Details of Waste Disposal for Contract no. HY/2009/19

Table 4.22 Details of Waste Disposal for Contract no. HK/2012/08

Table 4.23 Details of Waste Disposal for Contract no. HY/2010/08

Table 6.1 Cumulative Statistics on Complaints

Table 6.2 Cumulative Statistics on Successful Prosecutions

lIST OF FIGUREs

Figure 2.1 Project Layout

Figure 2.2 Project Organization Chart

Figure 3.1 Locations of Environmental Monitoring Stations

lIST OF APPENDIces

Appendix 2.1 Environmental Mitigation Implementation Schedule

Appendix 3.1 Action and Limit Level

Appendix 4.1 Noise Monitoring Graphical Presentations

Appendix 4.2 Air Quality Monitoring Graphical Presentations

Appendix 4.3 Water Quality Monitoring Graphical Presentations

Appendix 5.1 Event Action Plans

Appendix 6.1 Complaint Log

Appendix 7.1 Construction Programme of Individual Contracts

EXECUTIVE SUMMARY

1. This is the Quarterly Environmental Monitoring and Audit (EM&A) Report – September 2017 to November 2017 prepared for the Project of Wan Chai Development Phase II and Central-Wanchai Bypass under Environmental Permit no. EP-356/2009 and Further Environmental permit nos. FEP-02/356/2009, FEP-03/356/2009, FEP-04/356/2009, FEP-06/356/2009 and FEP-07/356/2009. This report presents the environmental monitoring and audit findings and information during the period from 27^th August 2017 to 26^th November 2017. The cut-off date of reporting is at 26^th of each reporting period.

Construction Activities for the Reported Period

2. Contract no HK/2009/01 was commenced on 23 July 2010. During this reporting period, the principal work activities for Contract no. HK/2009/01 are summarized as below:

Table I Principal Work Activities for Contract no. HK/2009/01

September 2017	October 2017	November 2017
Ÿ Nil	Ÿ Nil	Ÿ Nil

3. Contract no. HK/2009/02 was commenced on 5 July 2010. During this reporting period, the principal work activities for Contract no. HK/2009/02 are summarized as below:

Table II Principal Work Activities for Contract no. HK/2009/02

September 2017	October 2017	November 2017
Ÿ Nil	Ÿ Nil	Ÿ Nil

4. Contract no. HY/2009/15 was commenced on 10 November 2010. During this reporting period, the principal work activities for Contract no. HY/2009/15 are summarized as below:

Table III Principal Work Activities for Contract no. HY/2009/15

September 2017	October 2017	November 2017
· Nil	· Nil	· Nil

5. Contract no. HY/2009/19 was commenced on 24 March 2011. During this reporting period, the principal work activities for Contract no. HY/2009/19 are summarized as below:

Table IV Principal Work Activities for Contract no. HY/2009/19

September 2017	October 2017	November 2017
Ÿ Nil	Ÿ Nil	Ÿ Nil

6. Contract no. HK/2012/08 was commenced on 5 March 2013. During this reporting period, the principal work activities for Contract no. HK/2012/08 are summarized as below:

Table V Principal Work Activities for Contract no. HK/2012/08

September 2017	October 2017	November 2017
Ÿ Construction of Box 1 unit	Ÿ Construction of Box 1 unit and backfilling	Ÿ Construction of Box 1 unit and backfilling Ÿ Trimming of rock level

7. Contract no. HY/2010/08 was commenced on 21 March 2013. During this reporting period, the principal work activities for Contract no. HY/2010/08 are summarized as below:

Table VI Principal Work Activities for Contract no. HY/2010/08

September 2017	October 2017	November 2017
Ÿ Diversion pipe maintenance Ÿ Diaphragm Wall Removal Works Ÿ Removal of reclamation at TS3E and TS3W	Ÿ Diversion pipe maintenance Ÿ Diaphragm Wall Removal Works Ÿ Removal of reclamation at TS3E and TS3W	Ÿ Diversion pipe maintenance Ÿ Diaphragm Wall Removal Works Ÿ Removal of reclamation at TS3E and TS3W

Noise Monitoring

8. With respect to the shift in major construction site portions at Wan Chai North, the noise monitoring station M1a – Harbour Sports Centre was finely adjusted from East of Harbour Road Sports Centre to West of Harbour Road Sports Centre on 21 June 2016.
9. Noise monitoring during day time and evening time were conducted at the M1a, M2b, M3a, M4b, M5b and M6 on a weekly basis in the reporting period. The Action and Limit level exceedances recorded in the reporting period are listed below. Investigation found that exceedances were not related to the Project.
10. With respect to the demolition of Ex-Harbour Road Sports Centre, the respective noise monitoring station M1a – Harbour Road Sports Centre were finely adjusted on 16 and 25 May 2017 and thereafter to the Footbridge at Harbour Road Sports Centre for noise monitoring.
11. No action or limit level exceedance was recorded in the September 2017 reporting period.
12. No action or limit level exceedance was recorded in the October 2017 reporting period.
13. Limit level exceedances were recorded at M1a – Footbridge for Harbour Road Sports Centre on 03 and 22 November 2017 in the November 2017 reporting period. After the investigation, the exceedances were concluded as non-Project related.

Air Quality Monitoring

14. No action or limit level exceedance was recorded in September 2017 reporting period.
15. One action level exceedance of 1hr TSP monitoring was recorded at CMA5b - Pedestrian Plaza and one limit level exceedance of 1hr TSP monitoring was recorded at CMA1b – Harbour Grand Hotel Boundary Wall on 26 October 2017 in October 2017 reporting period. After the investigation, the exceedances were concluded as non-Project related.
16. One action level exceedance of 1hr TSP monitoring was recorded at CMA5b - Pedestrian Plaza on 01 November 2017 and two action level exceedances and one limit level exceedance of 1hr TSP monitoring were recorded at CMA5b - Pedestrian Plaza on 24 November 2017 In November 2017 reporting period. After the investigation, the exceedances was concluded as non-Project related.
17. The odour patrol along the odour route with 5 sniffing locations was conducted by a qualified odour patrol member on 30 August 2017, 12 and 26 September 2017 at the concerned hours (afternoon for higher daily temperature). No action and limit level was recorded during September reporting month.
18. With respect to the proposed demolition of eastern podium of Oil Street Site Office, the respective air quality monitoring station CMA1b – Oil Street Site Office was finely adjusted from East podium of the Oil Street Site Office to the West podium of the Oil Street Site Office on 21 December 2016
19. The location ID of air monitoring station CMA1b was updated as Oil Street Site Office in April 2013.
20. With respect to the area handover, the air quality monitoring station CMA5a at Children Playgrounds opposite to the Pedestrian Plaza was relocated to the Pedestrian Plaza on 3 December 2014. The station reference and location ID of the air quality monitoring station CMA5a was updated as CMA5b and Pedestrian Plaza respectively.
21. 1hr and 24hr TSP monitoring were conducted at CMA1b, CMA2a, CMA3a, CMA4a, CMA5b and CMA6a in the reporting period.

Water Quality Monitoring

22. Due to the hoisting of Amber Rainstorm Warning Signal, the respective water quality monitoring event scheduled on 23 September 2017 during flood tide was cancelled.
23. Due to the hoisting of Strong Wind Signal No. 3, the scheduled water quality monitoring event on 4 September 2017 during ebb tide was cancelled.
24. Due to damaged ground surface to monitoring station and access restriction, the water quality monitoring at WQM station P4 and P5 on 28 August 2017 to 18 September 2017 during flood tide and ebb tide were cancelled.
25. Due to damaged ground surface to monitoring station and access restriction, the water quality monitoring at WQM station C1 on 28 and 30 August 2017 during flood tide and ebb tide were cancelled. The monitoring location of monitoring station C1 was finely adjusted to the right of the original location from 02 September 2017 ebb tide and reinstated from 18 September 2017 ebb tide onwards.
26. Action and Limit level of water quality monitoring was transited from wet season to dry season from 1 October 2017.
27. Referring to CWB RSS confirmation on the completion of marine construction activities within the Ex-PCWA area and the completion of the post construction water quality monitoring, the respective Enhance DO Monitoring within Ex-PCWA for monitoring station Ex-PCWA SE and Ex-PCWA SW was temporarily suspended since 07 March 2017 ebb tide onwards.
28. With respect to the reinstatement of the silt screen system for Cooling Water Intakes P7, P8, P9 and WSD Water Intake RW21, the respective water quality monitoring was reverted to the previous monitoring location for Water Quality Monitoring Station RW21-P789 from water quality stations RW21-P789 East (RW21-P789E) and RW21-P789 West (RW21-P789W) from 25 January 2017 onwards.
29. With respect to the removal of silt screen at WQM station RW21-P789 on 26 November 2016, the respective water quality monitoring at RW21-P789 was adjusted to RW21-P789E and RW21-P789W since 28 November 2016 ebb-tide.
30. With respect to the temporarily suspension of marine construction works at WCR3 Area by Contract HK/2009/02, the installed silt screen for intake group (P7, P8, P9 and WSD21) was removed on 26 November 2016.
31. As advised by the Contractor of HK/2009/01, all silt screen remains removal works at P1, P3, P4, P5 and C1 water quality monitoring stations were completed on 8 May 2016.
32. With respect to the marine works undertaken at WCR3 by Contract HK/2009/02, the respective water quality monitoring station C1 associated with Contract HK/2009/01 was updated as in association with Contract HK/2009/01 and Contract HK/2009/02.
33. With respect to the marine works undertaken at CBTS by Contract HY/2010/08, the respective water quality monitoring station C7 associated with Contract HY/2009/15 was updated as in association with Contract HY/2009/15 and Contract HY/2010/08.
34. With respect to the marine works undertaken at HKCEC2 by Contract HK/2012/08, the respective water quality monitoring station WSD19, P1, P3, P4, and P5 were associated with Contract HK/2012/08.
35. As confirmed by WDII RSS, the marine construction works under Contract HK/2009/01 have been completed since 24 July 2017, the monitoring association with Contract HK/2009/01 and relevant reporting has been ceased from November 2017.
36. As confirmed by CWB RSS, the marine construction works under Contract HY/2009/15 and relevant reporting have been completed by 19 June 2017, the monitoring association with Contract HY/2009/15 and relevant reporting has been ceased from November 2017.
37. There were 6 action level and 15 limit level of turbidity exceedances and 3 action level and 1 limit level of suspended solid exceedance were recorded in September 2017 reporting period.

Investigation found that 1 limit level of turbidity exceedance and 1 limit level of suspended solid exceedance recorded at monitoring station C7 on 13 September 2017 was related to Project works under HY/2010/08.

Investigation found that 6 action limit and 14 limit level of turbidity exceedances and 3 action level of suspended solid exceedances recorded in September 2017 reporting period were not related to Project works.

38. There were 2 action level of DO exceedances, 22 action level and 44 limit level of turbidity exceedances and 4 action level and 6 limit level of suspended solid exceedances were recorded in October 2017 reporting period.

Investigation found that 2 action and 3 limit level of turbidity exceedance and 1 limit level of were related to Project Works under HY/2010/08.

Investigation found that the 2 action level of DO exceedances, 20 action level and 41 limit level of turbidity exceedances and 3 action level and 6 limit level of suspended solid exceedances recorded in October 2017 reporting period were not related to Project works.

39. There were 17 action level and 18 limit level of Turbidity exceedances and 1 action level and 3 limit level of Suspended Solid exceedances were recorded in November 2017 reporting period.

Investigation found that all the exceedances recorded in November 2017 reporting period were not related to Project works.

40. Enhanced DO monitoring at 3 monitoring stations in Causeway Bay Typhoon Shelter and Ex-Public Cargo Works Area was conducted three days per week during the reporting period.
41. There was no action and limit level exceedance recorded for enhanced dissolved oxygen monitoring in the September 2017 reporting period.

Complaints, Notifications of Summons and Successful Prosecutions

42. No environmental complaint was received in this reporting quarter.

1. Introduction

1.1 Scope of the Report

1.1.1. Lam Geotechnics Limited (LGL) has been appointed to work as the Environmental Team (ET) under Environmental Permit no. EP-356/2009 and Further Environmental permit nos. FEP-02/356/2009, FEP-03/356/2009, FEP-04/356/2009, FEP-06/356/2009, FEP-07/356/2009 and FEP-08/356/2009 to implement the Environmental Monitoring and Audit (EM&A) programme as stipulated in the EM&A Manual of the approved Environmental Impact Assessment (EIA) Report for Wan Chai Development phase II and Central-Wan Chai Bypass (Register No.: AEIAR-125/2008) and in the EM&A Manual of the approved EIA Report for Central-Wan Chai Bypass and Island Eastern Corridor Link (Register No. AEIAR-041/2001).

1.1.2. This report presents the environmental monitoring and auditing work carried out in accordance to the Section 10.4 of EM&A Manual and “Environmental Monitoring and Audit Requirements” under Particular Specification Section 27.

1.1.3. This report documents the finding of EM&A works during the period from 27^th August 2017 to 26^th November 2017.

1.2 Structure of the Report

Section 1 Introduction – details the scope and structure of the report.

Section 2 Project Background – summarizes background and scope of the project, site description, project organization and contact details of key personnel during the reporting period.

Section 3 Monitoring Requirements – summarizes all monitoring parameters, monitoring locations, monitoring frequency, duration and action plan.

Section 4 Monitoring Results – summarizes the monitoring results obtained in the reporting period.

Section 5 Compliance Audit – summarizes the auditing of monitoring results, all exceedances environmental parameters.

Section 6 Complaints, Notification of summons and Prosecution – summarizes the cumulative statistics on complaints, notification of summons and prosecution

Section 7 Cumulative Construction Impact due to the Concurrent Projects – summarizes the relevant cumulative construction impact due to the concurrent activities of the concurrent Projects.

Section 8 Conclusion

2. Project Background

2.1 Background

2.1.1. “Wan Chai Development phase II and Central-Wan Chai Bypass” and “Central-Wan Chai Bypass and Island Eastern Corridor Link” (hereafter called “the Project”) are Designed Project (DP) under the Environmental Impact Assessment Ordinance (Cap. 499) (EIAO). The Environmental Impact Assessment (EIA) Reports for Central-Wan Chai Bypass and Island Eastern Corridor Link (Register No. AEIAR-041/2001) and Wan Chai Development phase II and Central-Wan Chai Bypass (Register No.: AEIAR-125/2008) have been approved on 31 August 2001 and 11 December 2008 respectively.

2.1.2. The key purpose of Wan Chai Development Phase II (WDII) is to provide land at Wan Chai North and North Point for construction of the Central-Wan Chai Bypass and Island Eastern Corridor Link (CWB). Land formed under the project will be developed as a world-class waterfront promenade joining that at the new Central waterfront for public enjoyment.

2.1.3. There is a compelling and present need for the CWB to provide relief to the very congested east-west Connaught Road Central/Harcourt Road / Gloucester Road Corridor (the Corridor) which is currently operating beyond its capacity. The CWB will provide relief to the existing congestion along the Corridor and cater for the anticipated growth of traffic on Hong Kong Island. Without the CWB and its access roads, there will not be sufficient capacity to serve the heavy traffic demands at both strategic and local levels.

2.2 Scope of the Project and Site Description

2.2.1. The Project is located mainly in Wan Chai North, Causeway Bay and North Point, and is demarcated by Gloucester Road and Victoria Park Road to the south, Fenwick Pier Street to the west and Tong Shui Road Interchange to the east, as shown in Figure 2.1.

2.2.2. The study area encompasses existing developments along the Wan Chai, Causeway Bay and North Point shorelines. Major land uses include the Hong Kong Convention & Exhibition Centre (HKCEC) Extension, the Wan Chai Ferry Pier, the ex-Wan Chai Public Cargo Working Area (ex-PCWA), the Royal Hong Kong Yacht Club (RHKYC), the Police Officers' Club, the Causeway Bay Typhoon Shelter (CBTS) and commercial and residential developments.

2.2.3. The scope of the Project comprises:

· Land formation for key transport infrastructure and facilities, including the Trunk Road (i.e. CWB) and the associated slip roads for connection to the Trunk Road and for through traffic from Central to Wan Chai and Causeway Bay. The land formed for the above transport infrastructure will provide opportunities for the development of an attractive waterfront promenade for the enjoyment of the public

· Reprovisioning / protection of the existing facilities and structures affected by the land formation works mentioned above

· Extension, modification, reprovisioning or protection of existing storm water drainage outfalls, sewerage outfalls and watermains affected by the revised land use and land formation works mentioned above

· Upgrading of hinterland storm water drainage system and sewerage system, which would be rendered insufficient by the land formation works mentioned above

· Provision of the ground level roads, flyovers, footbridges, necessary transport facilities and the associated utility services

· Construction of the new waterfront promenade, landscape works and the associated utility services

· The Trunk Road (i.e. CWB) within the study area and the associated slip roads for connection to the Trunk Road.

2.2.4. The project also contains various Schedule 2 DPs that, under the EIAO, require Environmental Permits (EPs) to be granted by the DEP before they may be either constructed or operated. Table 2.1 summarises the five individual DPs under this Project. Figure 2.1 shows the locations of these Schedule 2 DPs.

Table 2.1 Schedule 2 Designated Projects under this Project

Item	Designated Project	EIAO Reference	Reason for inclusion
DP1	Central-Wanchai Bypass (CWB) including its road tunnel and slip roads	Schedule 2, Part I, A.1 and A.7	Trunk road and road tunnel more than 800 m in length
DP2	Road P2 and other roads which are classified as primary/district distributor roads	Schedule 2, Part I, A.1	Primary / district distributor roads
DP3	Reclamation works including associated dredging works	Schedule 2, Part I, C.1 and C.12	Reclamation more than 5 ha in size and a dredging operation less than 100 m from a seawater intake point
DP5	Wan Chai East Sewage Outfall	Schedule 2, Part I, F.5 and F.6	Submarine sewage pipelines with a total diameter more than 1,200 mm and include a submarine sewage outfall
DP6	Dredging for the Cross-harbour Water Mains from Wan Chai to Tsim Sha Tsui	Schedule 2, Part I, C.12	A dredging operation less than 100 m from a seawater intake point

2.3 Division of the Project Responsibility

2.3.1 Due to the multi-contract nature of the Project, the status of permits and/or licences under the individual contract(s) are presented as below:

Contract no. HK/2010/06 – Wan Chai Development Phase II – Central – Wan Chai Bypass over MTR Tsuen Wan Line under FEP-05/356/2009

2.3.2 The construction works were completed and the FEP-05/356/2009 was surrendered by the Contractor on 3 October 2014.

Contract no. HY/2009/11 – Wan Chai Development Phase II – Central – Wan Chai Bypass - North Point Reclamation

2.3.3 The construction works were completed and the FEP-01/356/2009 was surrendered by the Contractor on 22 October 2012.

2.3.4 Due to the multi-contract nature of the Project, there are a number of contracts sub-dividing the whole works area into different work areas to be commenced. Contractors of individual contracts will be required by the EP holder to apply Further Environmental Permits (FEP) such that the impact monitoring stations are sub-divided accordingly to facilitate the implementation of EM&A programme and to streamline the EM&A reporting for individual FEP holders correspondingly.

2.3.5 The details of individual contracts are summarized in Table2.2.

Table 2.2 Details of Individual Contracts under the Project

Contract No.	Contract Title	Associated DP(s)	Construction Commencement Date
HK/2009/01	Wan Chai Development Phase II – Central –Wanchai Bypass at Hong Kong Convention and Exhibition Centre	DP3, DP6	23 July 2010
		DP1, DP2	25 August 2011
HK/2009/02	Wan Chai Development Phase II – Central – Wan Chai Bypass at WanChai East	DP3, DP5	5 July 2010
		DP1	26 April 2011
HY/2009/11	Wan Chai Development Phase II and Central – Wan Chai Bypass – North Point Reclamation	DP3	17 March 2010 (Completed)
HY/2009/15	Central-Wanchai Bypass – Tunnel (Causeway Bay Typhoon Shelter Section)	DP3	10 November 2010
		DP1	13 July 2011
HK/2010/06	Wan Chai Development Phase II-Central-Wan Chai Bypass over MTR Tsuen Wan Line	DP3	22 March 2011 (Completed)
04/HY/2006	Reconstruction of Bus Terminus near Man Yiu Street and Man Kwong Street	DP1	September 2010 (Completed)
HY/2009/17	Central - Wan Chai Bypass (CWB) at FEHD Whitfield Depot - Advanced piling works.	DP1	5 October 2010 (Completed)
HY/2009/18	Central - Wan Chai Bypass (CWB) – Central Interchange	DP1	10 March 2014
HY/2009/19	Central - Wanchai Bypass Tunnel (North Point Section) and Island Eastern Corridor Link	DP1	24 March 2011
HK/2012/08	Wan Chai Development Phase II Central- Wan Chai Bypass at Wan Chai West	DP1,DP2, DP3	5 March 2013
HY/2011/08	Central-Wan Chai Bypass (CWB) – Tunnel Buildings, Systems and Fittings, and Works Associated with Tunnel Commissioning	DP1	8 October 2014

2.4 Project Organization and Contact Personnel

2.4.1. Civil Engineering and Development Department and Highways Department are the overall project controllers for the Wan Chai Development Phase II and Central-Wan Chai Bypass respectively. For the construction phase of the Project, Project Engineer, Contractor(s), Environmental Team and Independent Environmental Checker are appointed to manage and control environmental issues.

2.4.2. The proposed project organization and lines of communication with respect to environmental protection works are shown in Figure 2.2. Key personnel and contact particulars are summarized in Table 2.3:

Table 2.3 Contact Details of Key Personnel

Party	Role	Post	Name	Contact No.	Contact Fax
AECOM	Engineer’s Representative for WDII	Principal Resident Engineer	Mr. Frankie Fan	2587 1778	2587 1877
	Engineer’s Representative for CWB	Principal Resident Engineer	Mr. Peter Poon	3912 3388	3912 3010
Chun Wo – Leader Joint Venture	Contractor under Contract no. HK/2009/01	Project Manager	Mr. Simon Liu	9304 8355	2587 1878
		Site Agent	Mr. Andy Yu	9648 4896
		Environmental Officer	Mr. Terry Tsang	6683 9394
Chun Wo – CRGL Joint Venture	Contractor under Contract no. HK/2009/02	Project Manager	Mr. Paul Yu	3658 3085	2827 9996
		Quality & Environmental Manager	Mr. C.P. Ho	9191 8856
China State Construction Engineering (HK) Ltd.	Contractor under Contract no. HY/2009/15	Project Director	Chris Leung	3557 6393	2566 2192
		Site Manager	Y Huo	3557 6368
		Contractor’s Representative	Rex Lau	3557 6405
		Environmental Officer	Andy Mak	3557 6347
Chun Wo - CRGL - MBEC Joint Venture	Contractor under Contract no. HY/2009/19	Project Manager	Rayland Lee	3758 6788	2570 8013
		Site Agent	David Lau	3758 8879
		Deputy Site Agent	Andy Chan	9879 4325
		Environmental Manager / Environmental Officer	M.H. Isa	9884 0810
		Construction Manager (Marine)	Wingo Wong	9300 2625
		Construction Manager (Land)	Ivan Wong	9200 7552
China State- Build King Joint Venture	Contractor under Contract no. HK/2012/08	Project Director	C. N. Lai	9106 5806	2877 1522
		Project Manager	Eddie Chung	9189 8118
		Site Agent	Keith Tse	9037 1839
		Environmental Officer	James Ma	9130 9549
China State	Contractor under Contract no. HY/2010/08	Project Director	Chris Leung	3467 4299	2566 8061
		Project Manager	Chan Ying Lun	3418 3001
		Site Agent	Thomas Lui	3557 6452
		Environmental Officer	Gabriel Wong	35576466
Ramboll Environ Hong Kong Limited	Independent Environmental Checker (IEC)	Independent Environmental Checker (IEC)	Mr. David Yeung	3465 2888	3465 2899
Lam Geotechnics Limited	Environmental Team (ET)	Environmental Team Leader (ETL)	Mr. Raymond Dai	2882 3939	2882 3331

2.5 Principal Work and Activities

2.5.1. During this reporting period, the principal work activities for Contract no. HK/2009/01 are summarized in Table 2.4.

Table 2.4 Principal Work Activities for Contract no. HK/2009/01

September 2017	October 2017	November 2017
Ÿ Nil	Ÿ Nil	Ÿ Nil

2.5.2. During this reporting period, the principal work activities for Contract no. HK/2009/02 are summarized in Table 2.5.

Table 2.5 Principal Work Activities for Contract no. HK/2009/02

September 2017	October 2017	November 2017
Ÿ Nil	Ÿ Nil	Ÿ Nil

2.5.3. Major construction activities for Contract no. HY/2009/15 was commenced on 10 November 2010. During this reporting period, the principal work activities for Contract no. HY/2009/15 are summarized as below:

Table 2.6 Principal Work Activities for Contract no. HY/2009/15

September 2017	October 2017	November 2017
· Nil	Ÿ Nil	Ÿ Nil

2.5.4. Contract no. HY/2009/19 was commenced on 24 March 2011. During this reporting period, the principal work activities for Contract no. HY/2009/19 are summarized as below:

Table 2.7 Principal Work Activities for Contract no. HY/2009/19

September 2017	October 2017	November 2017
Ÿ Nil	Ÿ Nil	Ÿ Nil

2.5.5. Contract no. HK/2012/08 was commenced on March 2013. During this reporting period, the principal work activities for Contract no. HK/2012/08 are summarized as below:

Table 2.8 Principal Work Activities for Contract no. HK/2012/08

September 2017	October 2017	November 2017
Ÿ Construction of Box 1 unit	Ÿ Construction of Box 1 unit and backfilling	Ÿ Construction of Box 1 unit and backfilling

2.5.6. Contract no. HY/2010/08 was commenced on 21 March 2013. During this reporting period, the principal work activities for Contract no. HY/2010/08 are summarized as below:

Table 2.9 Principal Work Activities for Contract no. HY/2010/08

June 2017	July 2017	August 2017
Ÿ Diversion pipe maintenance Ÿ Diaphragm Wall Removal Works Ÿ Removal of reclamation at TS3E and TS3W	Ÿ Diversion pipe maintenance Ÿ Diaphragm Wall Removal Works Ÿ Removal of reclamation at TS3E and TS3W	Ÿ Diversion pipe maintenance Ÿ Diaphragm Wall Removal Works Ÿ Removal of reclamation at TS3E and TS3W

2.5.7. Implementation status of the recommended mitigation measures during this reporting period is presented in Appendix 2.1.

3. Monitoring Requirements

3.1. Noise Monitoring

Noise Monitoring Stations

3.1.1. The noise monitoring stations for the Project are listed and shown in Table 3.1 and Figure 3.1. Appendix 3.1 shows the established Action/Limit Levels for the monitoring works.

Table 3.1 Noise Monitoring Stations

Station	Description
M1a	Footbridge at Ex-Harbour Road Sports Centre*
M2b	Noon Gun Area
M3a	Tung Lo Wan Fire Station
M4b	Victoria Centre
M5b	City Garden
M6	HK Baptist Church Henrietta Secondary School

Remarks*: With respect to the demolition of Ex-harbour Road Sports Centre, the respective noise monitoring station M1a- Harbour Road Sports Centre were finely adjusted on 16 and 25 May 2017 and thereafter to the Footbridge at Harbour Road Sports Centre for noise monitoring.

Noise Monitoring Parameters, Frequency and Duration

3.1.2. The construction noise level shall be measured in terms of the A-weighted equivalent continuous sound pressure level (L_eq). L_{eq (30 minutes)} shall be used as the monitoring parameter for the time period between 0700 and 1900 hours on normal weekdays. For all other time periods, L_{eq (5 minutes)} shall be employed for comparison with the Noise Control Ordinance (NCO) criteria. Supplementary information for data auditing, statistical results such as L10 and L90 shall also be obtained for reference.

3.1.3. Noise monitoring shall be carried out at all the designated monitoring stations. The monitoring frequency shall depend on the scale of the construction activities. The following is an initial guide on the regular monitoring frequency for each station on a weekly basis when noise generating activities are underway:

· one set of measurements between 0700 and 1900 hours on normal weekdays.

3.1.4. If construction works are extended to include works during the hours of 1900 – 0700 as well as public holidays and Sundays, additional weekly impact monitoring shall be carried out during respective restricted hours periods. Applicable permits under NCO shall be obtained by the Contractor.

3.1.5. Real time noise shall be carried out at the designated monitoring stations. The following is an initial guide on the regular monitoring frequency for each station on a 24 hours daily basis when noise generating activities are underway:

· One set of measurements between 0700 and 1900 hours on normal weekdays.

· One set of measurements between 1900 and 2300 hours on normal weekdays and 0700 and 2300 hours on public holidays.

· One set of measurements between 2300 and 0700 hours on next day on everyday.

Monitoring Equipment

3.1.6. As referred to in the Technical Memorandum ™ issued under the NCO, sound level meters in compliance with the International Electrotechnical Commission Publications 651: 1979 (Type 1) and 804: 1985 (Type 1) specifications shall be used for carrying out the noise monitoring. Immediately prior to and following each noise measurement the accuracy of the sound level meter shall be checked using an acoustic calibrator generating a known sound pressure level at a known frequency. Measurements may be accepted as valid only if the calibration level from before and after the noise measurement agree to within 1.0 dB.

3.1.7. Noise measurements shall not be made in fog, rain, wind with a steady speed exceeding 5 m/s or wind with gusts exceeding 10 m/s. The wind speed shall be checked with a portable wind speed meter capable of measuring the wind speed in m/s.

3.2. Air Monitoring

Air Quality Monitoring Stations

3.2.1. The air monitoring stations for the Project are listed and shown in Table 3.2 and Figure 3.1. Appendix 3.1 shows the established Action/Limit Levels for the monitoring works.

Table 3.2 Air Monitoring Stations

Station ID	Monitoring Location	Description
CMA1b	Oil Street Site Office**	North Point
CMA2a	Causeway Bay Community Centre	Causeway Bay
CMA3a	CWB PRE Site Office *	Causeway Bay
CMA4a	Society for the Prevention of Cruelty to Animals	Wan Chai
CMA5b	Pedestrian Plaza***	Wan Chai
CMA6a	WDII PRE Site Office *	Wan Chai

Remarks*: As per the ENPC meeting in January 2011, the monitoring stations CMA3a - Future CWB site office at Wanchai Waterfront Promenade and CMA6a - Future AECOM site office at Work Area were renamed as remark.

Remarks**: The location ID of monitoring station CMA1b was updated as “Oil Street Site Office” in April 2013.

Remarks***: The station ID and monitoring location was updated in December 2014 with respect to monitoring station relocation.

Air Monitoring Parameters, Frequency and Duration

3.2.2. One-hour and 24-hour TSP levels should be measured to indicate the impacts of construction dust on air quality. The 24-hour TSP levels shall be measured by following the standard high volume sampling method as set out in the Title 40 of the Code of Federal Regulations, Chapter 1 (Part 50), Appendix B.

3.2.3. All relevant data including temperature, pressure, weather conditions, elapsed-time meter reading for the start and stop of the sampler, identification and weight of the filter paper, and any other local atmospheric factors affecting or affected by site conditions, etc., shall be recorded down in detail.

3.2.4. For regular impact monitoring, the sampling frequency of at least once in every six-days, shall be strictly observed at all the monitoring stations for 24-hour TSP monitoring. For 1-hour TSP monitoring, the sampling frequency of at least three times in every six-days should be undertaken when the highest dust impact occurs.

Sampling Procedure and Monitoring Equipment

3.2.5 High volume samplers (HVSs) in compliance with the following specifications shall be used for carrying out the 1-hour and 24-hour TSP monitoring:

· 0.6 - 1.7 m3 per minute adjustable flow range;

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

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

· capable of providing a minimum exposed area of 406 cm2;

· flow control accuracy: +/- 2.5% deviation over 24-hour sampling period;

· equipped with a shelter to protect the filter and sampler;

· incorporated with an electronic mass flow rate controller or other equivalent devices;

· equipped with a flow recorder for continuous monitoring;

· provided with a peaked roof inlet;

· incorporated with a manometer;

· able to hold and seal the filter paper to the sampler housing at horizontal position;

· easily changeable filter; and

· capable of operating continuously for a 24-hour period.

3.2.6 Initial calibration of dust monitoring equipment shall be conducted upon installation and thereafter at bi-monthly intervals. The transfer standard shall be traceable to the internationally recognized primary standard and be calibrated annually. The concern parties such as IEC shall properly document the calibration data for future reference. All the data should be converted into standard temperature and pressure condition.

Laboratory Measurement / Analysis

3.2.7 A clean laboratory with constant temperature and humidity control, and equipped with necessary measuring and conditioning instruments to handle the dust samples collected, shall be available for sample analysis, and equipment calibration and maintenance. The laboratory should be HOKLAS accredited.

3.2.8 An alternative non-HOKLAS accredited laboratory was set-up for carrying out the laboratory analysis, the laboratory equipment was approved by the ER on 8 February 2011 and the measurement procedures were witnessed by the IEC. Any measurement performed by the laboratory was be demonstrated to the satisfaction of the ER and IEC. IEC shall regularly audit to the measurement performed by the laboratory to ensure the accuracy of measurement results.

3.2.9 Filter paper of size 8" x 10" shall be labelled before sampling. It shall be a clean filter paper with no pinholes, and shall be conditioned in a humidity-controlled chamber for over 24-hours and be pre-weighed before use for the sampling.

3.2.10 After sampling, the filter paper loaded with dust shall be kept in a clean and tightly sealed plastic bag. The filter paper shall then be returned to the laboratory for reconditioning in the humidity controlled chamber followed by accurate weighing by an electronic balance with readout down to 0.1 mg. The balance shall be regularly calibrated against a traceable standard.

3.2.11 All the collected samples shall be kept in a good condition for 6 months before disposal.

impact monitoring for odour patrol

3.2.12 Odour patrols along the shorelines of Causeway Bay Typhoon Shelter and ex-Wan Chai Public Cargo Working Area when there is temporary reclamation in Causeway Bay Typhoon Shelter and/or in the ex-Wan Chai Public Cargo Working Area, or when there is dredging of the odorous sediment and slime at the south-western corner of the Causeway Bay Typhoon Shelter. Odour patrols will be carried out at bi-weekly intervals during July, August and September by a qualified person of the ET who shall:

· be at least 16 years of age;

· be free from any respiratory illnesses; and

· not be allowed to smoke, eat, drink (except water) or use chewing gum or sweets 30 min

· before and during odour patrol

3.2.13 Odour patrol shall be conducted by independent trained personnel / competent persons patrolling and sniffing around the shore as shown in Figure 3.1 to detect any odour at the concerned hours (afternoon is preferred for higher daily temperature).

3.2.14 The qualified person will use the nose (olfactory sensor) to sniff odours at different locations. The main odour emission sources and the areas to be affected by the odour nuisance will be identified.

3.2.15 The perceived odour intensity is to be divided into 5 levels which are ranked in the descending order as follows:

· 0 - Not detected. No odour perceived or an odour so weak that it cannot be easily characterized or described;

· 1 - Slight Identifiable odour, and slight chance to have odour nuisance;

· 2 - Moderate Identifiable odour, and moderate chance to have odour nuisance;

· 3 - Strong Identifiable, likely to have odour nuisance;

· 4 - Extreme Severe odour, and unacceptable odour level.

3.2.16 The findings including odour intensity, odour nature and possible odour sources, and also the local wind speed and direction at each location will be recorded. In addition, some relevant meteorological and tidal data such as daily average temperature, and daily average humidity, on that surveyed day will be obtained from the Hong Kong Observatory Station for reference. The Action and Limit levels for odour patrol are shown in Appendix 3.1.

3.3 Water Quality Monitoring

3.3.1. The EIA Report has identified that the key water quality impact would be associated with the dredging works during the construction phase. Marine water quality monitoring for dissolved oxygen (DO), suspended solid (SS) and turbidity is therefore recommended to be carried out at selected WSD flushing water intakes. The impact monitoring should be carried out during the proposed dredging works to ensure the compliance with the water quality standards.

3.3.2. The updated EM&A Manual for EP-356/2009 (Version in March 2011) is approval by EPD on 29 April 2011. As such, the Action Level and Limit Level for the wet season (April – September) will be effected and applied to the water quality monitoring data from 30 April 2011.

Water Quality Monitoring Stations

3.3.3. Water quality monitoring was undertaken at WSD salt water intakes and cooling water intakes along the seafront of the Victoria Harbour. The proposed water quality monitoring stations of the Project are shown in Table 3.3 and Figure 3.1. Appendix 3.1 shows the established Action/Limit Levels for the monitoring works.

Table 3.3 Marine Water Quality Stations for Water Quality Monitoring

Station Ref.	Location	Easting	Northing
WSD Salt Water Intake
WSD19	Sheung Wan	833415.0	816771.0
Cooling Water Intake
C1	HKCEC Extension	835885.6	816223.0
C7	Windsor House	837193.7	816150.0
P1	HKCEC Phase I	835774.7	816179.4
P3	The Academy of performing Arts	835824.6	816212.0
P4	Shui on Centre	835865.6	816220.0
P5	Government Buildings (Wanchai Tower / Revenue Tower / Immigration Tower)	835895.2	816215.2
Cooling Water Intake / WSD Salt Water Intake
RW21-P789	Great Eagle Centre/ Sun Hung Kai Centre/ WSD Wanchai salt water intake	836268.0	816020.0

Remarks: - The cessation of seawater intake operation for C6 was confirmed on 17 May 2011, the water monitoring at C6 was then terminated since 17 May 2011.

- 4-week post construction water quality monitoring at WSD9, WSD10, WSD15, WSD17, C8 and C9 were completed on 6 Feb 2012 and the water quality monitoring at WSD 10 and WSD15 were temporary suspended since 8 Feb 2012, and WSD9 and WSD17 was implemented with respect to HK/2009/02 from 8 Feb 2012 onwards.

- C8 and C9 were implemented with respect to HY/2009/19 from 28 Jan 2012.

- C8 & C9 were temporary suspended since 30 March 2013.

- WSD7 and WSD20 water quality monitoring were temporarily suspended from 27 Apr 2012.

- C2, C3 C4e and C4w water quality monitoring station was temporarily suspended since 24 Apr 2013

- C5e and C5w water quality monitoring station was temporarily suspended since 29 July 2013.

- WSD21 water quality monitoring station was temporarily suspended since 12 Mar 2014

- WSD9 and WSD17 water quality monitoring station was temporarily suspended since 8 Sep 2014 flood tide.

- The water quality monitoring station C1 shall be associated with Contract No. HK/2009/02 upon commencement of marine works under DP3 at WCR3 area

- The water quality monitoring station RW21-P789 was adjusted to RW21-P789E and RW21-P789W since 28 November 2016 ebb-tide.

- The water quality monitoring was reverted to previous monitoring station RW21-P789 from PW21-P789E and RW21-P789W from 25 January 2017 onwards.

Water Quality Parameters and frequency

3.3.4. Monitoring of dissolved oxygen (DO), turbidity and suspended solids (SS) shall be carried out at WSD flushing water intakes and cooling water intakes. DO and Turbidity are measured in-situ while SS is determined in laboratory.

3.3.5. In association with the water quality parameters, other relevant data shall also be measured, such as monitoring location/position, time, sampling depth, water temperature, pH, salinity, dissolved oxygen (DO) saturation, weather conditions, sea conditions, tidal stage, and any special phenomena and work underway at the construction site etc.

3.3.6. The interval between two sets of monitoring should not be less than 36 hours except where there are exceedances of Action and/or Limit Levels, in which case the monitoring frequency will be increased. Table 3.4 shows the proposed monitoring frequency and water quality parameters. Duplicate in-situ measurements and water sampling should be carried out in each sampling event. For selection of tides for in-situ measurement and water sampling, tidal range of individual flood and ebb tides should be not less than 0.5m.

Table 3.4 Marine Water Quality Monitoring Frequency and Parameters

Activities	Monitoring Frequency^1	Parameters^2
During the 4-week baseline monitoring period	Three days per week, at mid-flood and mid-ebb tides	Turbidity, Suspended Solids (SS), Dissolved Oxygen (DO), pH, Temperature, Salinity
During marine construction works	Three days per week, at mid-flood and mid-ebb tides	Turbidity, Suspended Solids (SS), Dissolved Oxygen (DO), pH, Temperature, Salinity
After completion of marine construction works	Three days per week, at mid-flood and mid-ebb tides	Turbidity, Suspended Solids (SS), Dissolved Oxygen (DO), pH, Temperature, Salinity

Notes:

1. For selection of tides for in-situ measurement and water sampling, tidal range of individual flood and ebb tides should be not less than 0.5m.

2. Turbidity should be measured in situ whereas SS should be determined by laboratory.

Dissolved Oxygen and Temperature Measuring Equipment

3.3.7. The instrument should be a portable, weatherproof dissolved oxygen measuring instrument complete with cable, sensor, comprehensive operation manuals, and use a DC power source. It should be capable of measuring:

· a dissolved oxygen level in the range of 0-20 mg/l and 0-200% saturation

· a temperature of 0-45 degree Celsius

3.3.8. It should have a membrane electrode with automatic temperature compensation complete with a cable. Sufficient stocks of spare electrodes and cables should be available for replacement where necessary. (e.g. YSI model 59 meter, YSI 5739 probe, YSI 5795A submersible stirrer with reel and cable or an approved similar instrument).

3.3.9. Should salinity compensation not be build-in in the DO equipment, in-situ salinity shall be measured to calibrate the DO equipment prior to each DO measurement.

Turbidity Measurement Instrument

3.3.10 The instrument should be a portable, weatherproof turbidity-measuring instrument complete with comprehensive operation manual. The equipment should use a DC power source. It should have a photoelectric sensor capable of measuring turbidity between 0‑1000 NTU and be complete with a cable (e.g. Hach model 2100P or an approved similar instrument).

Sampler

3.3.11 Water sampler comprises a transparent PVC cylinder, with a capacity of not less than 2 litres, and can be effectively sealed with latex cups at both ends. The sampler should have a positive latching system to keep it open and prevent premature closure until released by a messenger when the sampler is at the selected water depth (e.g. Kahlsico Water Sampler or an approved similar instrument).

Sample Container and Storage

3.3.12 Water samples for suspended solids measurement should be collected in high-density polythene bottles, packed in ice (cooled to 4°C without being frozen), and delivered to ALS Technichem (HK) Pty Ltd. as soon as possible after collection for analysis.

Water Depth Detector

3.3.13 A portable, battery-operated echo sounder shall be used for the determination of water depth at each designated monitoring station. This unit can either be handheld or affixed to the bottom of the workboat, if the same vessel is to be used throughout the monitoring programme.

Salinity

3.3.14 A portable salinometer capable of measuring salinity in the range of 0-40 ppt shall be provided for measuring salinity of the water at each of monitoring location.

Monitoring Position Equipment

3.3.15 A hand-held or boat-fixed type digital Global Positioning System (GPS) with waypoint bearing indication or other equivalent instrument of similar accuracy shall be provided and used during monitoring to ensure the monitoring vessel is at the correct location before taking measurements.

Calibration of In-situ Instruments

3.3.16 All in-situ monitoring instrument shall be checked, calibrated and certified by a laboratory accredited under HOKLAS or equivalent before use, and subsequently re-calibrated at 3 monthly intervals throughout all stages of the water quality monitoring. Responses of sensors and electrodes should be checked with certified standard solutions before each use. Wet bulb calibration for a DO meter shall be carried out before measurement at each monitoring location.

3.3.17 For the on site calibration of field equipment by the ET, the BS 127:1993, "Guide to Field and on-site test methods for the analysis of waters" should be observed.

3.3.18 Sufficient stocks of spare parts should be maintained for replacements when necessary. Backup monitoring equipment shall also be made available so that monitoring can proceed uninterrupted even when some equipment is under maintenance, calibration, etc.

Laboratory Measurement / Analysis

3.3.19 Analysis of suspended solids has been carried out in a HOKLAS accredited laboratory, ALS Technichem (HK) Pty Ltd. Water samples of about 1L shall be collected at the monitoring stations for carrying out the laboratory SS determination. The SS determination work shall start within 24 hours after collection of the water samples. The SS determination shall follow APHA 19ed or equivalent methods subject to the approval of IEC and EPD.

Enhanced Water Quality Monitoring in the ex-Wan Chai Public Cargo

Working Area and the Causeway Bay Typhoon Shelter

3.3.20 The enhanced water quality monitoring and audit programme is to avoid aggravation of odour nuisance from seawater arising from temporary reclamation in the ex-Wan Chai Public Cargo Working Area and the Causeway Bay Typhoon Shelter.

3.3.21 Dissolved oxygen monitoring at the intakes C6 and C7 in Causeway Bay Typhoon Shelter when there is temporary reclamation in Causeway Bay Typhoon Shelter and at the south-western and south-eastern corners of the ex-Wan Chai Public Cargo Working Area. The proposed water quality monitoring stations of the Project are shown in Table 3.5 and Figure 3.1.

Table 3.5 Marine Water Quality Stations for Enhanced Water Quality Monitoring

Station	Location
C6	Excelsior Hotel
C7	Windsor House
Ex-WPCWA-SW	South-western of the ex-Wan Chai Public Cargo Working Area
Ex-WPCWA-SE	South-eastern of the ex-Wan Chai Public Cargo Working Area

Remarks:

1. Enhanced DO monitoring at Windsor House Cooling (Station Ref: C7) was temporarily suspended since 22 October 2014 with respect to the formation of temporary reclamation zone TS3 and to be resumed upon removal of the respective temporary reclamation zone.

2. Enhanced DO monitoring at Monitoring station at Ex-WPCWA SE was temporarily suspended from 31 August 2015 with respect to seawall reinstatement works and formation of active works area. The Enhance DO monitoring at Ex-WPCWA SE was resumed on 11 May 2016 due to completed section of seawall reinstatement works are Ex-PCWA.

3.3.22 The monitoring of dissolved oxygen are to be carried out 3 days per week, at mid-flood and mid-ebb tides for 3 water depths (1m below water surface, mid-depth and 1m above sea bed, except where the water depth less than 6m, the mid-depth may be omitted. If the water depth be less than 3m, only the mid-depth will be monitored).

Daily SS Monitoring and 24 hours Turbidity Monitoring System

3.3.23 During dredging of the sediment at the south-western corner of the Causeway Bay Typhoon Shelter, daily monitoring of suspended solids and 24 hour monitoring of turbidity at the cooling water intakes (C6 and C7) shall be conducted.

3.3.24 The 24 hours monitoring of turbidty at the cooling water intakes (C6 and C7) shall be established by setting up a continuous water quality monitoring station in front of the intakes during the dredging activities. The monitoring system include the turbidity sensor and data logger which is capable of data capturing at every 5 minutes. The data shall be downloaded daily and compared with the Action and Limit level determined during the baseline water qualtiy monitoring at the cooling water intake locations.

Additional Dissovled oxygen Monitoring FOR CULVERT L WATER DISCHARGE FLOW

3.3.25 In response to the Condition 2.18 of the Environmental Permit no. EP-356/2009 requiring that a silt curtain / impermeable barrier system be installed to channel water discharge flow from Culvert L to locations outside the embayment area, a proposed replacement of the requirement with additional dissolved oxygen monitoring has been conducted at three monitoring stations, namely A, B and C between the eastern seawall of Central Reclamation Phase III and the HKCEC Extension since November 2011 under EP-356/2009 so that DO level between the eastern seawall of Central Reclamation Phase II and the HKCEC extension could be continuously monitored.

3.3.26 With respect to the commencement of dredging works under HK/2012/08 and the installation of MTR precast protection unit, the enhanced water quality monitoring for Culvert L was temporarily suspended since 24 July 2013

3.3.27 The monitoring of dissolved oxygen are to be carried out once per week, at mid-flood and mid-ebb tides for 3 water depths (1m below water surface, mid-depth and 1m above sea bed, except where the water depth less than 6m, the mid-depth may be omitted. If the water depth be equal to or less than 3m, only the mid-depth will be monitored).

4. Monitoring Results

4.0.1. The environmental monitoring will be implemented based on the division of works areas of each designed project managed under different contracts with separate FEP applied by individual contractors. Overall layout showing work areas of various contracts, latest status of work commencement and monitoring stations is shown in Figure 2.1 and Figure 3.1. The monitoring results are presented in according to the Individual Contract(s).

4.0.2. According to EP-364/2009/A Part B, “Scale and Scope of Designated Project”, Remarks (c),”The permanent and temporary reclamation and associated dredging works related to the CWB construction are separately covered by environmental permit No. EP-356/2009 issued to Civil Engineering and Development Department”, and marine piling works to be conducted by the Contractor of Contract no. HY/2009/19 from 28 January 2012 was considered to be governed under EP-356/2009. As the construction site area of Contract no. HY/2009/11 had already been handed over to Contract no. HY/2009/19, the designated noise, water and air quality monitoring stations for Contract no. HY/2009/11 would be shared with Contract no. HY/2009/19 from 28 January 2012.

4.0.3. As confirmed by WDII RSS, the marine construction works under Contract HK/2009/01 have been completed since 24 July 2017, the monitoring association with Contract HK/2009/01 and relevant reporting has been ceased from November 2017.

4.0.4. As confirmed by CWB RSS, the marine construction works under Contract HY/2009/15 and relevant reporting have been completed by 19 June 2017, the monitoring association with Contract HY/2009/15 and relevant reporting has been ceased from November 2017.

4.1. Noise Monitoring Results

Contract no. HK/2009/02 - Wan Chai Development Phase II – Central – Wan Chai Bypass at WanChai East

4.1.1. The proposed divisions of noise monitoring stations are summarized in Table 4.1 below.

Table 4.1 Noise Monitoring Station for Contract nos. HK/2009/02

Station	Description
M1a	Footbridge at Ex-Harbour Road Sports Centre

4.1.2. No action or limit level exceedance recorded in September 2017 reporting period.

4.1.3. No action or limit level exceedance recorded in October 2017 reporting period.

4.1.4. Two limit level exceedances were recorded at M1a – Footbridge for Ex-Harbour Road Sports Centre on 03 and 22 November 2017.

4.1.5. Despite excavation works was conducted by Contract HK/2009/02 on 03 November 2017 around the concerned location during the time of measurement while non WDII-CWB excavation works immediately next to the monitoring station was observed as the major noise contribution during monitoring with mechanical operation directly next to noise monitoring position. As such, the exceedance was considered as non-Project related to Contract HK/2009/02.

4.1.6. Despite backfilling works was conducted by Contract HK/2009/02 on 22 November around the concerned location with a few, minor and non-continuous breaking actions under Contractor observed during measurement, acoustic screening of breaking tip was implemented by Contract HK/2009/02 and no major noise contribution was observed from the works. Meanwhile, non WDII-CWB breaking works immediately next to the monitoring station was observed as the major noise contribution during monitoring. As such, the exceedance was considered as non-Project related to Contract HK/2009/02. Nevertheless, the Contractor of HK/2009/02 was reminded to maintain adequate noise mitigation measure around the concerned location to avoid potential cumulative impact.

Contract no. HY/2009/19 – Central- Wan Chai Bypass Tunnel (North Point Section) and Island Eastern Corridor Link

4.1.7. Noise quality monitoring at M4b and M5b have been implemented with respect to HY/2009/19 since the marine bore piling work started on 28 Jan 2012.

4.1.8. The proposed division of noise monitoring stations for Contract no. HY/2009/19 are summarized in Table 4.3 below:

Table 4.3 Noise Monitoring Stations for Contract no. HY/2009/19

Station	Description
M4b	Victoria Centre
M5b	City Garden
M6	HK Baptist Church Henrietta Secondary School

4.1.9. No action or limit level exceedance was recorded in the reporting quarter.

Contract no. HY/2010/08-Central-Wanchi Bypass Tunnel (Slip Road 8 Section)

4.1.10. The proposed division of noise monitoring stations are summarized in Table 4.4 below.

Table 4.4 Noise Monitoring Station for Contract no. HY/2010/08

Station	Description
M2b	Noon Gun Area
M3a	Tung Lo Wan Fire Station

4.1.11. No action or limit level exceedance was recorded in the reporting quarter.

4.1.12. All Noise monitoring results measured in this reporting period are reviewed and summarized. Details of noise monitoring results and graphical presentation can be referred in Appendix 4.1.

4.2. Air Monitoring Results

4.2.1 1hr and 24hr TSP monitoring were conducted at CMA1b, CMA2a, CMA3a, CMA4a, CMA5b and CMA6a in the reporting period.

Contract no. HK/2009/01 - Wan Chai Development Phase II – Central –Wanchai Bypass at HKCEC

4.2.2 Air monitoring was commenced on 1 April 2011 in response to the commencement of the land-filling work for Contract no. HK/2009/01. The proposed division of air monitoring stations are summarized in Table 4.5 below.

Table 4.5 Air Monitoring Stations for Contract no. HK/2009/01

Station	Description
CMA5b	Pedestrian Plaza
CMA6a	WDII PRE Site Office *

4.2.3 No action or limit level exceedance was recorded in September 2017 reporting period.

4.2.4 One 1hr TSP action level exceedance was recorded at CMA5b – Pedestrian Plaza on 26 October 2017.

4.2.5 No construction works was undertaken around the monitoring location on 26 October 2017 under Contractor of HK/2009/01 and no particular observation regarding air quality impact was observed during sampling. Nevertheless, non WDII-CWB Project construction activities was observed opposite to the monitoring station on the monitoring date. Meanwhile, it was noted that the EPD AQHI for Causeway Bay District was recorded as level 7 during the monitoring period, indicating a high level of air pollution in the area affecting the ambient air quality condition. In view of the above, the exceedance was considered to be non-project related and generally contributed by ambient air quality condition.

Contract no. HK/2009/02 - Wan Chai Development Phase II – Central – Wan Chai Bypass at WanChai East

4.2.6 Air monitoring was commenced in mid-January 2011 for the land-filling work for Contract no. HK/2009/02. The proposed division of air monitoring stations is summarized in Table 4.6 below.

Table 4.6 Air Monitoring Station for Contract no. HK/2009/02

Station	Description
CMA4a	Society for the Prevention of Cruelty to Animals

4.2.7 No action or limit exceedance was recorded in this reporting quarter.

Contract no. HY/2009/19 –Central- Wan Chai Bypass Tunnel (North Point Section) and Island Eastern Corridor Link

4.2.8 Air monitoring at CMA1b and CMA2a have been implemented with respect to HY/2009/19 since the marine bore piling works started on 28 Jan 2012. No exceedance was recorded in the reporting period.

4.2.9 The proposed division of air monitoring stations is summarized in Table 4.8 below.

Table 4.8 Air Monitoring Stations for Contract no. HY/2009/19

Station	Description
CMA1b	Oil Street Site Office
CMA2a	Causeway Bay Community Centre

4.2.10 No action or limit level exceedance was recorded in the September 2017 reporting period.

4.2.11 One 1hr TSP limit level exceedance was recorded at CMA1b – Harbour Grand Hotel Boundary Wall on 26 October 2017 in the October 2017 reporting period.

4.2.12 Despite excavation, breaking works and pile head trimming works were undertaken around the monitoring location on the monitoring date at the under Contractor of HY/2009/19 on 26 October 2017, dust mitigation measure including water spraying for breaking works and haul road were generally implemented by the Contractor. Meanwhile, it was observed that vehicle exhaust from non-construction works was observed as the major factor affecting the monitoring station during monitoring period. In view of the above, the exceedance was considered as non-Project related.

4.2.13 No action or limit level exceedance was recorded in November 2017 reporting period.

Contract no. HK/2012/08- Wan Chai Development Phase II – Central-Wan Chai Bypass at Wan Chai West

4.2.14 The proposed division of air monitoring stations are summarized in Table 4.9 below.

Table 4.9 Air Monitoring Stations for Contract no. HK/2012/08

Station	Description
CMA5b	Pedestrian Plaza

4.2.15 No action or limit level exceedance was recorded in the September 2017 reporting period.

4.2.16 One 1hr TSP action level exceedance was recorded at CMA5b – Pedestrian Plaza on 26 October 2017 in the October 2017 reporting period.

4.2.17 Road and drains works was undertaken under Contract HK/2012/08 around the monitoring location on 26 October 2017 and no particular observation regarding air quality impact was observed during sampling. Nevertheless, non WDII-CWB Project construction activities was observed opposite to the monitoring station on the monitoring date and dust mitigation including water spraying for haul road was generally implemented. Meanwhile, it was noted that the EPD AQHI for Causeway Bay District was recorded as Level 7 during the monitoring period, indicating a high level of air pollution in the area affecting the ambient condition. In view of the above, the exceedance was considered to be non-project related and potentially contributed by ambient air quality condition.

4.2.18 One 1hr TSP limit level exceedance was recorded at CMA5b – Pedestrian Plaza on 01 November 2017 and Two 1hr TSP action level exceedances and one 1hr TSP limit level exceedances were recorded on 24 November 2017 in the November 2017 reporting period.

4.2.19 Road and drains works was undertaken under Contract HK/2012/08 on 01 November 2017 around the monitoring location on the monitoring date and no particular observation regarding air quality impact was observed during sampling. Mitigation measure including water spraying for haul road was generally implemented. Nevertheless, non WDII-CWB Project construction activities was observed opposite to the monitoring station on the monitoring date. Meanwhile, it was reported that the ambient air quality was adversely affected by accumulation of air pollutant influenced by the meteorological condition on the monitoring date. In view of the above, the exceedance was considered to be non-project related and potentially contributed by ambient air quality condition.

4.2.20 Road and drain construction works was undertaken under Contract HK/2012/08 on 24 November 2017 around the monitoring location on the monitoring date and no particular observation regarding air quality impact was observed during sampling. Mitigation measure including water spraying for haul road was generally implemented. Nevertheless, non WDII-CWB Project construction activities was observed opposite to the monitoring station on the monitoring date. Meanwhile, according to the EPD monitoring record, highest pollutant concentration was recorded during the monitoring date at Causeway Bay monitoring station across a seven days period. In view of the above, the exceedance was considered to be non-project related and potentially contributed by ambient air quality condition.

Contract no. HY/2010/08- Central-Wanchai Bypass Tunnel (Slip Road 8 Section)

4.2.21 The proposed division of air monitoring stations are summarized in Table 4.10 below.

Table 4.10 Air Monitoring Stations for Contract no. HY/2010/08

Station	Description
CMA3a	CWB PRE Site Office

4.2.22 No action or limit level exceedance was recorded in this reporting quarter.

4.2.23 The odour patrol along the odour route with 5 sniffing locations was conducted by a qualified odour patrol member on 30 August 2017, 12 and 26 September 2017 at the concerned hours (afternoon for higher daily temperature). No action and limit level was recorded in the September 2017 reporting period.

4.3. Water Monitoring Results

Contract no. HK/2009/01 - Wan Chai Development Phase II – Central –Wanchai Bypass at HKCEC

4.3.1 Action and Limit level of water quality monitoring was transited from wet season to dry season from 1 October 2017.

4.3.2 Water quality monitoring for Contract no. HK/2009/01 was commenced on 23 July 2010. The proposed division of water monitoring stations is summarized in Table 4.11 below.

Table 4.11 Water Monitoring Stations for Contract no. HK/2009/01

Station Ref.	Location	Easting	Northing
Cooling Water Intake
C1	HKCEC Extension	835885.6	816223.0

4.3.3 There were 1 action and 1 limit level of turbidity exceedances recorded at C1 on 18 and 20 September 2017 in the September 2017 reporting period.

After checking with the Contractor, no marine construction activity was conducted on 18 and 20 September 2017. In view of no marine construction activity was conducted, the exceedances were considered not related to Project works.

4.3.4 There were 3 action and 7 limit level of turbidity exceedances recorded at C1 on 3, 5, 7, 9, 11, 14, 16, 23 and 25 October 2017 in the October 2017 reporting period.

After checking with the Contractor, no marine construction activity was conducted on 3, 5, 7, 9, 11, 14, 16, 23 and 25 October 2017. In view of no marine construction activity was conducted, the exceedances were considered not related to Project works.

Contract no. HK/2009/02 - Wan Chai Development Wan Chai Development Phase II – Central – Wan Chai Bypass at WanChai East

4.3.5 Water quality monitoring for Contract no. HK/2009/02 was commenced on 8 July 2010. The proposed division of water monitoring stations is summarized in Table 4.12 below.

Table 4.12 Water Monitoring Stations for Contract no. HK/2009/02

Station Ref.		Location		Easting	Northing
Cooling Water Intake
C1	HKCEC Extension		835885.6		816223.0
Cooling Water Intake
RW21-P789		Great Eagle Centre/ Sun Hung Kai Centre/WSD Wanchai salt water intake / China Resources Building		836268.0	816020.0

4.3.6 There were 1 action and 1 limit level of turbidity exceedances recorded at C1 on 18 and 20 September 2017 in the September 2017 reporting period.

After checking with the Contractor, no marine construction activity was conducted on 18 and 20 September 2017. In view of no marine construction activity was conducted, the exceedances were considered not related to Project works.

4.3.7 There was 1 limit level of turbidity exceedance recorded at RW21-P789 on 20 September 2017 in the September 2017 reporting period.

After checking with the contractor, no marine construction activity was conducted on the monitoring date, and the installed silt screen was observed generally in order. In view of the above, the exceedance was considered not project related.

4.3.8 There was 1 action of DO exceedance recorded at RW21-P789 on 25 September 2017 in the September 2017 reporting period.

After checking with the contractor, no marine construction activity was conducted on the monitoring date, and the installed silt screen was observed generally in order. In view of the above, the exceedance was considered not project related.

4.3.9 There were 3 action and 7 limit level of turbidity exceedances recorded at C1 on 3, 5, 7, 9, 11, 14, 16, 23 and 25 October 2017 in the October 2017 reporting period.

After checking with the Contractor, no marine construction activity was conducted on 3, 5, 7, 9, 11, 14, 16, 23 and 25 October 2017. In view of no marine construction activity was conducted, the exceedances were considered not related to Project works.

4.3.10 There were 1 action level of DO exceedance, 3 action and 6 limit level of turbidity exceedances and 1 limit level of suspended solid exceedance recorded at RW21-P789 on 9, 11, 14, 16, 18, 20, 23 and 25 October 2017 in the October 2017 reporting period..

After checking with the contractor, no marine construction activity was conducted on 9, 11, 14, 16, 18, 20, 23 and 25 October 2017, and the installed silt screen was observed generally in order. In view of the above, the exceedance was considered not project related.

4.3.11 3 action level Turbidity exceedance were recorded at WQM station C1 on 06, 10 and 22 November 2017 and 3 limit level Turbidity exceedances were recorded at 06, 08 and 20 November 2017 in the November 2017 reporting period.

After checking with the Contractor of Contract HK/2009/02, no marine construction activity was conducted on 06, 08, 10, 20 and 22 November 2017. In view of no marine construction activity was conducted during the monitoring date, the exceedances were considered not related to Project works.

4.3.12 2 action level Turbidity exceedance were recorded at WQM station RW21-P789 on 17 and 20 November 2017 and limit level Turbidity exceedances were recorded at RW21-P789 06, 08 and 13 November 2017.

After checking with the Contractor of HK/2009/02, no marine construction activity was conducted on 06, 08, 13, 17 and 20 November 2017 and the installed silt screen at the RW21-P789 cooling intake point was observed in order. In view of the above, the exceedance was considered not project related.

Contract no. HK/2012/08 - Wan Chai Development Phase II – Central- Wan Chai Bypass at Wan Chai West

4.3.13 Water monitoring for Contract no. HK/2012/08 was commenced on 5 March 2013. The proposed division of water monitoring stations are summarized in Table 4.13 below.

Table 4.13 Water Monitoring Stations for Contract no. HK/2012/08

Station Ref.	Location	Easting	Northing
WSD Salt Water Intake
WSD19	Sheung Wan	833415.0		816771.0
Cooling Water Intake
P1	HKCEC Phase I	835774.7	816179.4
P3	The Academy of performing Arts	835824.6	816212.0
P4	Shui on Centre	835865.6	816220.0
P5	Government Buildings (Wanchai Tower / Revenue Tower / Immigration Tower)	835895.2	816215.2

4.3.14 5 action level and 2 limit level of turbidity exceedances recorded at WSD19 on 6, 15, 18, 20, 23 and 25 September 2017 in the September 2017 reporting period.

After checking with the contractor, no marine construction activity was conducted on 6, 15, 18, 20, 23 and 25 September 2017. In view of no marine construction activity, the exceedances were considered not project related.

4.3.15 2 action level of suspended solid exceedances recorded at WSD19 on 15 and 25 September 2017 in the September 2017 reporting period.

After checking with the contractor, no marine construction activity was conducted on 15 and 25 September 2017. In view of no marine construction activity, the exceedances were considered not project related.

4.3.16 2 limit level of turbidity exceedances recorded at P1 on 9 and 25 September 2017 in the September 2017 reporting period..

After checking with the contractor, no marine construction activity was conducted on 9 and 25 September 2017. In view of no marine construction activity, the exceedances were considered not project related.

4.3.17 3 limit level of turbidity exceedances recorded at P3 on 9, 18 and 25 September 2017 in the September 2017 reporting period..

After checking with the contractor no marine construction activity was conducted 9, 18 and 25 September 2017. In view of no marine construction activity, the exceedance was considered not project related.

4.3.18 3 limit level of turbidity exceedances recorded at P4 on 18, 20 and 25 September 2017 in the September 2017 reporting period..

After checking with the contractor no marine construction activity was conducted 18, 20 and 25 September 2017. In view of no marine construction activity, the exceedance was considered not project related.

4.3.19 1 limit level of turbidity exceedance recorded at P5 on 18 September 2017 in the September 2017 reporting period.

After checking with the contractor no marine construction activity was conducted 18 September 2017. In view of no marine construction activity, the exceedance was considered not project related.

4.3.20 1 action level of DO exceedance, 4 action and 10 limit level of turbidity exceedances, and 2 action and 4 limit level of suspended solid exceedances recorded at WSD19 on 3, 7, 9, 11, 14, 16, 18, 20, 23 and 25 October 2017 in the October 2017 reporting period.

After checking with the contractor, no marine construction activity was conducted on 3, 7, 9, 11, 14, 16, 18, 20, 23 and 25 October 2017. In view of no marine construction activity, the exceedances were considered not project related.

4.3.21 1 action and 2 limit level of turbidity exceedances recorded at P1 on 9, 16 and 25 October 2017 in the October 2017 reporting period.

After checking with the contractor, no marine construction activity was conducted on 9, 16 and 25 October 2017. In view of no marine construction activity, the exceedances were considered not project related.

4.3.22 2 action and 3 limit level of turbidity exceedances recorded at P3 on 9, 11, 14, 16 and 23 October 2017 in the October 2017 reporting period.

After checking with the contractor no marine construction activity was conducted 9, 11, 14, 16 and 23 October 2017. In view of no marine construction activity, the exceedances were considered not project related.

4.3.23 3 action and 7 limit level of turbidity exceedances, and 2 action level of suspended solid recorded at P4 on 3, 5, 9, 11, 14, 16, 23 and 25 October 2017 in the October 2017 reporting period.

After checking with the contractor no marine construction activity was conducted 3, 5, 9, 11, 14, 16, 23 and 25 October 2017. In view of no marine construction activity, the exceedances were considered not project related.

4.3.24 4 action and 6 limit level of turbidity exceedances recorded at P5 on 3, 7, 9, 11, 14, 16, 23 and 25 October 2017 in the October 2017 reporting period.

After checking with the contractor no marine construction activity was conducted 3, 7, 9, 11, 14, 16, 23 and 25 October 2017. In view of no marine construction activity, the exceedances were considered not project related.

4.3.25 5 action level Turbidity exceedances were recorded at WQM station WSD19 on 27, 30 October 2017 06 and 17 November 2017 and 7 limit level Turbidity exceedances were recorded at WQM station WSD19 on 08, 10, 13, 20 and 24 November 2017 in the November 2017 reporting period.

3 limit level Suspended Solid exceedances were recorded at WQM station WSD19 on 03, 08 and 17 November 2017.

After checking with Contractor of HK/2012/08, either no marine construction works or installation of seawall block or trimming of rock level within silt curtain enclosure were conducted on aforementioned monitoring dates and no water quality impact were considered. Therefore, the exceedances were considered as not related to the Project work.

4.3.26 2 action level turbidity exceedances were recorded at WQM station P1 on 06 and 08 November 2017 in the November 2017 reporting period.

After checking with Contractor of HK/2012/08, trimming of rock level was conducted within silt curtain enclosure on the above monitoring dates and no particular water quality impact was considered. Therefore, the exceedances were considered as not related to the Project work.

4.3.27 2 action level Turbidity exceedances were recorded at WQM statin P3 on 06, 20 November 2017 and 1 limit level Turbidity exceedances were recorded at WQM station P3 on 06 November 2017 in the November 2017 reporting period.

After checking with Contractor of HK/2012/08, trimming of rock level was conducted within silt curtain enclosure on the above monitoring dates and no particular water quality impact was considered. Therefore, the exceedances were considered as not related to the Project work.

4.3.28 1 limit level exceedance Turbidity exceedance was recorded at WQM station P4 on 10 November 2017 and 1 action level Suspended Solid exceedance was recorded on 08 November 2017 in the November 2017 reporting period.

After checking with Contractor of HK/2012/08, trimming of rock level was conducted within silt curtain enclosure on the above monitoring dates and no particular water quality impact was considered. Therefore, the exceedances were considered as not related to the Project work.

4.3.29 3 action level Turbidity exceedances were recorded at WQM station P5 on 06, 13 and 20 November 2017 and 1 limit level exceedance was recorded at WQM station P5 on 08 November 2017 in the November 2017 reporting period.

After checking with Contractor of HK/2012/08, trimming of rock level was conducted within silt curtain enclosure on the above monitoring dates and no particular water quality impact was considered. Therefore, the exceedances were considered as not related to the Project work.

Contract no. HY/2010/08- Central-Wanchai Bypass Tunnel (Slip Road 8 Section)

4.3.30 The proposed division of water quality monitoring stations are summarized in Table 4.16 and Table 4.17 below:

Table 4.16 Water quality monitoring Stations for Contract no. HY/2010/08

Station Ref.	Location	Easting	Northing
Cooling Water Intake
C7	Windsor House	837193.7	816150.0

Table 4.17 Enhance Dissolved Oxygen Monitoring Stations for Contract no. HY/2010/08

Station Ref.	Location
C6	Excelsior Hotel

Remarks:

Enhanced DO monitoring at Windsor House Cooling (Station Ref: C7) was temporarily suspended since 22 October 2014 with respect to the formation of temporary reclamation zone TS3 and to be resumed upon removal of the respective temporary reclamation zone.

4.3.31 1 limit level of turbidity and 1 limit level of suspended solid exceedance recorded at C7 on 13 September 2017 in the September 2017 reporting period.

Seabed reinstatement works was conducted opposite to the monitoring location under Contract HY/2012/08 during the monitoring period on 13 September 2017 while turbid dispersion was observed originating from an unprotected slope adjacent to the concerned monitoring location and affecting the water quality at the concerned Windsor House cooling water intake during monitoring sampling. As such, it was considered that the turbidity and suspended solid exceedances were related to HY/2010/08 Project works.

4.3.32 1 limit level of turbidity exceedance recorded at C7 on 25 September 2017 in the September 2017 reporting period.

After checking with the contractor, no marine construction activity was conducted on the monitoring date, and the installed silt screen was observed generally in order. In view of the above, the exceedance was considered not project related.

4.3.33 1 action level of suspended solid exceedance recorded at C7 on 25 September 2017 in the September 2017 reporting period.

After checking with the contractor, no marine construction activity was conducted on the monitoring date, and the installed silt screen was observed generally in order. In view of the above, the exceedance was considered not project related.

4.3.34 2 action and 2 limit level of turbidity and 1 limit level of suspended solid exceedances recorded at C7 on 7 and 9 October 2017 in the October 2017 reporting period.

Underwater diaphragm wall cleaning works was conducted adjacent to the monitoring location on 7 and 9 October 2017, and the works was considered as the major contribute to the affected water quality. Meanwhile, the installed silt screen for Windsor House Water Intake was found incomplete according to the submitted Silt Screen Deployment Plan. As such, it was considered that the turbidity and suspended solid exceedances were related to HY/2010/08 Project works.

4.3.35 1 limit level of turbidity exceedance recorded at C7 on 25 October 2017 in the October 2017 reporting period.

Underwater diaphragm wall cleaning works was conducted adjacent to the monitoring location on 25 October 2017 while impermeable barrier deployed was not fully enclosing the works area and affecting the water quality at the concerned Windsor House cooling water intake during monitoring sampling. As such, it was considered that the turbidity exceedance was related to HY/2010/08 Project works.

4.3.36 2 limit level Turbidity exceedance at WQM station C7 were recorded on 27 October 2017 and 03 November 2017 in the November 2017 reporting period.

After checking with Contractor of HY/2010/08, no construction works was conducted on 27 October 2017 while seabed reinstatement works was conducted on 03 November 2017 and mitigation measure including deployment of frame type silt curtain around the works area and provision of silt screen at the water intake point were in order. Therefore, the exceedances were considered not related to Project works.

4.4 Waste Monitoring Results

Contract no. HK/2009/01 - Wan Chai Development Phase II – Central –Wanchai Bypass at HKCEC

4.4.1 No Inert C&D waste and non-inert C&D waste was disposed of for the site works in this reporting period. Details of the waste flow table are summarized in Table 4.18.

Table 4.18 Details of Waste Disposal for Contract no. HK/2009/01

Waste Type	Quantity this quarter	Cumulative Quantity-to-Date	Disposal / Dumping Grounds
Inert C&D materials disposed, m^3	NIL	62116.405	TKO137, TM38
Inert C&D materials recycled, m^3	NIL	5856.5	N/A
Non-inert C&D materials disposed, m^3	NIL	1673.69	SENT Landfill
Non-inert C&D materials recycled, kg	NIL	203993	N/A
Chemical waste disposed, kg	NIL	10250	N/A
Marine Sediment (Type 1 – Open Sea Disposal) , m^3	NIL (Bulk Volume)	97428.2 (Bulk Volume)	South of Cheung Chau
Marine Sediment (Type 1 – Open Sea Disposal (Dedicate Sites) & Type 2 – Confined Marine Disposal) , m^3	NIL (Bulk Volume)	52250 (Bulk Volume)	East of Cha Chau
Dredged Sediment Requiring Type 3 – Special Treatment / Disposal contained in Geosynthetic Containers	NIL (Bulk Volume)	6773 (Bulk Volume)	East of Cha Chau

4.4.2 There were no Marine Sediment (Type 1 – Open Sea Disposal) and no Marine Sediment (Type 1- Open Sea Disposal (Dedicate Sites) & Type 2- Confined Marine Disposal) disposed of in this reporting quarter.

Contract no. HK/2009/02 - Wan Chai Development Phase II – Central – Wan Chai Bypass at WanChai East

4.4.3 No Inert and non-inert C&D waste were disposed of for the site works in this reporting period. Details of the waste flow table are summarized in Table 4.19.

Table 4.19 Details of Waste Disposal for Contract no. HK/2009/02

Waste Type	Quantity this quarter	Cumulative Quantity-to-Date	Disposal / Dumping Grounds
Inert C&D materials disposed, m^3	NIL	276075.1	TKO137/ TM 38
Inert C&D materials recycled, m^3	NIL	18161	N/A
Non-inert C&D materials disposed, m^3	NIL	1515.103	SENT Landfill
Non-inert C&D materials recycled, m^3	N/A	N/A	N/A
Chemical waste disposed, kg	NIL	13860	SENT Landfill
Marine Sediment (Type 1 – Open Sea Disposal), m^3	NIL	240222 (Bulk volume)	South of Cheung Chau
Marine Sediment (Type 1 – Open Sea Disposal (Dedicate Sites) & Type 2 – Confined Marine Disposal), m^3*	NIL	146445 (Bulk volume)	East of Sha Chau

4.4.4 There was no Marine Sediment (Type 1 – Open Sea Disposal) and no Marine Sediment (Type 1- Open Sea Disposal (Dedicate Sites) & Type 2- Confined Marine Disposal) disposed of in this reporting quarter.

Contract no. HY/2009/15 - Central-Wanchai Bypass – Tunnel (Causeway Bay Typhoon Shelter Section)

4.4.5 There was no Inert C&D waste disposed in this reporting period and no non-inert C&D waste was disposed in this reporting period. Details of the waste flow table are summarized in Table 4.20.

Table 4.20 Details of Waste Disposal for Contract no. HY/2009/15

Waste Type	Quantity this quarter	Cumulative Quantity-to-Date	Disposal / Dumping Grounds	Remarks
Inert C&D materials disposed, m^3	NIL	141579.2	Tuen Mun Area 38	NIL
	NIL	65216	TKO137 FB	NIL
Inert C&D materials recycled, m^3	NIL	8127.21	HY/2010/08	NIL
	NIL	304	Ex-PCWA	NIL
	NIL	111.9	TS4	NIL
Non-inert C&D materials disposed, m^3	NIL	252.2	SENT Landfill	NIL
Non-inert C&D materials recycled, kg	NIL	299361.5	N/A	NIL
Chemical waste disposed, kg	NIL	8,200	N/A	NIL
Marine Sediment (Type 1 – Open Sea Disposal) , m^3	NIL	156909 (Bulk Volume)	South of Cheung Chau	Dredging from TCBR1E / TCBR1W / TCBR2/ TCBR3 / TCBR4 / Maintenance dredging
Marine Sediment (Type 1 – Open Sea Disposal (Dedicate Sites) & Type 2 – Confined Marine Disposal) , m^3	NIL	327746 (Bulk Volume)	East of Sha Chau	Dredging from TCBR1E / TCBR1W / TCBR2/ TCBR3 / TCBR4 / Maintenance dredging
Marine Sediment (Type 3 – Special Treatment / Disposal contained in Geosynthetic Containers)	NIL	12640 (Bulk Volume)	East of Sha Chau	Dredging from TCBR1W / Maintenance dredging
Marine Sediment (Type 2 – Confined Marine Disposal), m3	NIL (Bulk Volume)	9350 (Bulk Volume)	East of Sha Chau	Dredging from Eastern Breakwater of CBTS
Marine Sediment (Type 1 – Open Sea Disposal) , m3	NIL (Bulk Volume)	600 (Bulk Volume)	East Sha Chau / South of The Brothers	Dredging from Phase 3 Mooring Re-arrangement
Marine Sediment (Type 2– Confined Marine Disposal) , m3	NIL (Bulk Volume)	14,780 (Bulk Volume)	South of The Brothers	Dredging from Phase 3 Mooring Re-arrangement
Marine Sediment (Type 3 – Special Treatment / Disposal contained in Geosynehetic Containers) , m3	NIL (Bulk Volume)	2,760 (Bulk Volume)	South of The Brothers	Dredging from Phase 3 Mooring Re-arrangement

4.4.6 There were no marine sediments Type1- Open Sea Disposal and no Type 1 – Open Sea Disposal (Dedicate Sites) & Type 2 – Confined Marine Disposal in this reporting quarter.

Contract no. HY/2009/19 – Central- WanChai Bypass Tunnel (North Point Section) and Island Eastern Corridor Link

4.4.7 No Inert and non-inert C&D waste were disposed of in this reporting quarter. Details of the waste flow table are summarized in Table 4.21.

Table 4.21 Details of Waste Disposal for Contract no. HY/2009/19

Waste Type	Quantity this quarter	Cumulative Quantity-to-Date	Disposal / Dumping Grounds
Inert C&D materials disposed, m^3	NIL	355921.04	TM38
Inert C&D materials recycled, m^3	NIL	59367	N/A
Non-inert C&D materials disposed, m^3	NIL	1068.6	N/A
Non-inert C&D materials recycled, kg	NIL	333.14	N/A
Chemical waste disposed, L	NIL	2.12	N/A
Marine Sediment (Type 1 – Open Sea Disposal), m^3	NIL	162	South Cheung Chau
Marine Sediment (Type 2 – Confined Marine Disposal) , m^3	NIL	681	East Sha Chau
Marine Sediment (Type 1 – Open Sea Disposal (Dedicate Sites) & Type 2 – Confined Marine Disposal) , m3	NIL	4976.00	N/A

4.4.8 There were no marine sediments Type1- Open Sea Disposal and no Type 1 – Open Sea Disposal (Dedicate Sites) & Type 2 – Confined Marine Disposal in this reporting quarter.

Contract no. HK/2012/08 –Wan Chai Development Phase II – Central- Wan Chai Bypass at Wan Chai West

4.4.9 No Inert and non-inert C&D waste were disposed of in this reporting quarter. Details of the waste flow table are summarized in Table 4.22.

Table 4.22 Details of Waste Disposal for Contract no. HK/2012/08

Waste Type	Quantity this quarter	Cumulative Quantity-to-Date	Disposal / Dumping Grounds
Inert C&D materials disposed, m^3	NIL NIL	4131 273	TM38 TKO 137
Inert C&D materials recycled, m^3	NIL	NIL	NIL
Non-inert C&D materials disposed, m^3 *	NIL	400	SENT
Non-inert C&D materials recycled, kg	NIL	NIL	N/A
Chemical waste disposed, L	NIL	NIL	N/A
Marine Sediment (Type 1 – Open Sea Disposal), m^3 *	NIL (Bulk volume)	31759 (Bulk volume)	South of Cheung Chau
Marine Sediment (Type 1 – Open Sea Disposal (Dedicate Sites) & Type 2 – Confined Marine Disposal) , m^3 *	NIL (Bulk volume)	108542 (Bulk volume)	South of The Brothers (from 27 Aug 2013 onwards)

*Remarks: The details of waste disposal is recorded in calendar month period.

4.4.10 No Marine Sediment Type 1 – Open Sea Disposal (Delicate Sites) & Type 2 – Confined Marine Disposal and Marine Sediment Type 1 – Open Sea Disposal disposed in this reporting quarter.

Contract no. HY/2010/08 –Central - Wan Chai Bypass (CWB) –Tunnel (Slip Road 8)

4.4.11 Inert C&D waste was disposed in this reporting month, while no non-inert C&D waste disposed in this reporting period. Details of the waste flow table are summarized in Table 4.23

Table 4.23 Details of Waste Disposal for Contract no. HY/2010/08

Waste Type	Quantity this quarter	Cumulative Quantity-to-Date	Disposal / Dumping Grounds
Inert C&D materials disposed, m^3	2636.607 NIL	91432.537 19739.4	TM38 TKO137
Inert C&D materials recycled, m^3	NIL	NIL	N/A
Non-inert C&D materials disposed, m^3	NIL	NIL	N/A
Non-inert C&D materials recycled, kg	NIL	NIL	N/A
Chemical waste disposed, L	NIL	NIL	N/A
Marine Sediment (Type 1 – Open Sea Disposal)	NIL	62559.4	South Cheung Chau
Marine Sediment (Type 1 – Open Sea Disposal (Dedicate Sites) & Type 2 – Confined Marine disposal)	NIL	28309.2	Brothers Island
Marine Sediment (Type 3 – Special Treatment)	NIL	7780	Brothers Island

Remark: Contractor clarified the inert C&D materials disposed and cumulative quantity in September 2017 shall be 2636.607 m³ and 91432.537 m³ respectively in September 2017 EM&A Report.

4.4.12 There were no Type 1 – Open Sea Disposal and no Type 1 – Open Sea Disposal (Dedicate Sites) & Type 2 – Confined Marine Disposal disposed in this reporting month, and no Type 3- Special Treatment disposed in this reporting quarter.

5. Compliance Audit

5.0.1. The Event Action Plan for construction noise, air quality and water quality are presented in Appendix 5.1.

5.1. Noise Monitoring

Reporting month of September 2017

5.1.1 No action or limit level exceedance was recorded.

Reporting month of October 2017

5.1.2 No action or limit level exceedance was recorded.

Reporting month of November 2017

5.1.3 Two limit level exceedances were recorded at M1a – Footbridge for Ex-Harbour Road Sports Centre on 03 and 22 November 2017. The exceedances were concluded as non-Project related.

5.1.4 Noise monitoring results measured in this reporting period are reviewed and summarized. Details of graphical presentation can be referred in Appendix 4.1.

Air Monitoring

Reporting month of September 2017

5.1.5 No action or limit level exceedance was recorded.

5.1.6 The odour patrol along the odour route with 5 sniffing locations was conducted by a qualified odour patrol member on 30 August 2017, 12 and 26 September 2017 at the concerned hours (afternoon for higher daily temperature). No action and limit level was recorded during September reporting month.

Reporting month of October 2017

5.1.7 One 1hr TSP action level exceedance was recorded at CMA5b – Pedestrian Plaza on 26 October 2017 and the exceedance was concluded as non-Project related.

5.1.8 One 1hr TSP limit level exceedance was recorded at CMA1b – Harbour Grand Hotel Boundary Wall on 26 October 2017 and the exceedance was concluded as non-Project related.

5.1.9 One 1hr TSP action level exceedance was recorded at CMA5b – Pedestrian Plaza on 26 October 2017 and the exceedance was concluded as non-Project related.

Reporting month of November 2017

5.1.10 One 1hr TSP action level exceedance was recorded at CMA5b – Pedestrian Plaza on 01 November 2017 and the exceedance was concluded as non-Project related.

5.1.11 Two 1hr TSP action level exceedances and one 1hr TSP limit level were recorded at CMA5b – Pedestrian Plaza on 24 November 2017 and the exceedance was concluded as non-Project related.

5.2. Water Quality Monitoring

Reporting month of September 2017

5.2.1 There were 1 action and 1 limit level of turbidity exceedances recorded at C1 on 18 and 20 September 2017 and the exceedances were considered not related to Project works.

5.2.2 There was 1 limit level of turbidity exceedance recorded at RW21-P789 on 20 September 2017 and the exceedance was considered not project related.

5.2.3 There was 1 action of DO exceedance recorded at RW21-P789 on 25 September 2017 and the exceedance was considered not project related.

5.2.4 There were 5 action level and 2 limit level of turbidity exceedances recorded at WSD19 on 6, 15, 18, 20, 23 and 25 September 2017 and the exceedances were considered not project related.

5.2.5 There were 2 action level of suspended solid exceedances recorded at WSD19 on 15 and 25 September 2017 and the exceedances were considered not project related.

5.2.6 There were 2 limit level of turbidity exceedances recorded at P1 on 9 and 25 September 2017 and the exceedances were considered not project related.

5.2.7 There were 3 limit level of turbidity exceedances recorded at P3 on 9, 18 and 25 September 2017 and the exceedance was considered not project related.

5.2.8 There were 3 limit level of turbidity exceedances recorded at P4 on 18, 20 and 25 September 2017 and the exceedance was considered not project related.

5.2.9 There was 1 limit level of turbidity exceedance recorded at P5 on 18 September 2017 and the exceedance was considered not project related.

5.2.10 There were 1 limit level of turbidity and 1 limit level of suspended solid exceedance recorded at C7 on 13 September 2017. It was considered that the turbidity and suspended solid exceedances were related to HY/2010/08 Project works.

5.2.11 There was 1 limit level of turbidity exceedance recorded at C7 on 25 September 2017 and the exceedance was considered not project related.

5.2.12 There was 1 action level of suspended solid exceedance recorded at C7 on 25 September 2017 and the exceedance was considered not project related.

Reporting month of October 2017

5.2.13 There were 3 action and 7 limit level of turbidity exceedances recorded at C1 on 3, 5, 7, 9, 11, 14, 16, 23 and 25 October 2017 and the exceedances were considered not related to Project works.

5.2.14 There were 1 action level of DO exceedance, 3 action and 6 limit level of turbidity exceedances and 1 limit level of suspended solid exceedance recorded at RW21-P789 on 9, 11, 14, 16, 18, 20, 23 and 25 October 2017 and the exceedance was considered not project related.

5.2.15 There were 1 action level of DO exceedance, 4 action and 10 limit level of turbidity exceedances, and 2 action and 4 limit level of suspended solid exceedances recorded at WSD19 on 3, 7, 9, 11, 14, 16, 18, 20, 23 and 25 October 2017 and the exceedances were considered not project related.

5.2.16 There were 1 action and 2 limit level of turbidity exceedances recorded at P1 on 9, 16 and 25 October 2017 and the exceedances were considered not project related.

5.2.17 There were 2 action and 3 limit level of turbidity exceedances recorded at P3 on 9, 11, 14, 16 and 23 October 2017 and the exceedances were considered not project related.

5.2.18 There were 3 action and 7 limit level of turbidity exceedances, and 2 action level of suspended solid recorded at P4 on 3, 5, 9, 11, 14, 16, 23 and 25 October 2017 and the exceedances were considered not project related.

5.2.19 There were 4 action and 6 limit level of turbidity exceedances recorded at P5 on 3, 7, 9, 11, 14, 16, 23 and 25 October 2017 and the exceedances were considered not project related.

5.2.20 There were 2 action and 2 limit level of turbidity and 1 limit level of suspended solid exceedances recorded at C7 on 7 and 9 October 2017. It was considered that the turbidity and suspended solid exceedances were related to HY/2010/08 Project works.

5.2.21 There was 1 limit level of turbidity exceedance recorded at C7 on 25 October 2017 It was considered that the turbidity exceedance was related to HY/2010/08 Project works.

Reporting month of November 2017

5.2.22 3 action level Turbidity exceedance were recorded at WQM station C1 on 06, 10 and 22 November 2017 and 3 limit level Turbidity exceedances were recorded at 06, 08 and 20 November 2017 and the exceedances were considered not related to Project works.

5.2.23 2 action level Turbidity exceedance were recorded at WQM station RE21-P789 on 17 and 20 November 2017 and limit level Turbidity exceedances were recorded at RW21-P789 06, 08 and 13 November 2017 and the exceedance was considered not project related.

5.2.24 5 action level Turbidity exceedances were recorded at WQM station WSD19 on 27, 30 October 2017 06 and 17 November 2017 and 7 limit level Turbidity exceedances were recorded at WQM station WSD19 on 08, 10, 13, 20 and 24 November 2017. 3 limit level Suspended Solid exceedances were recorded at WQM station WSD19 on 03, 08 and 17 November 2017. After investigation, the above exceedances were considered as not related to the Project work.

5.2.25 2 action level turbidity exceedances were recorded at WQM station P1 on 06 and 08 November 2017 and the exceedances were considered as not related to the Project work.

5.2.26 2 action level Turbidity exceedances were recorded at WQM statin P3 on 06, 20 November 2017 and 1 limit level Turbidity exceedances were recorded at WQM station P3 on 06 November 2017 and the exceedances were considered as not related to the Project work.

5.2.27 1 limit level exceedance Turbidity exceedance was recorded at WQM station P4 on 10 November 2017 and 1 action level Suspended Solid exceedance was recorded on 08 November 2017 and the exceedances were considered as not related to the Project work.

5.2.28 3 action level Turbidity exceedances were recorded at WQM station P5 on 06, 13 and 20 November 2017 and 1 limit level exceedance was recorded at WQM station P5 on 08 November 2017 and the exceedances were considered as not related to the Project work.

5.2.29 2 limit level Turbidity exceedance at WQM station C7 were recorded on 27 October 2017 and 03 November 2017 and the exceedances were considered not related to Project works.

5.3. Site Audit

5.5.1. There was no non-compliance from the site audits in the reporting period. During environmental site inspections conducted during the reporting period, minor deficiencies were noted.

5.4. Review of the Reasons for and the Implications of Non-compliance

Reporting month of September 2017

5.4.1 A project related turbidity and suspended solid exceedance were recorded at water quality monitoring station C7 on 13 September 2017. Seabed reinstatement works was conducted opposite to the monitoring location under Contract HY/2012/08 during the monitoring period on 13 September 2017 while turbid dispersion was observed originating from an unprotected slope adjacent to the concerned monitoring location and affecting the water quality at the concerned Windsor House cooling water intake during monitoring sampling. As such, it was considered that the turbidity and suspended solid exceedances were related to HY/2010/08 Project works.

Reporting month of October 2017

5.4.2 A project related turbidity and suspended solid exceedance were recorded at water quality monitoring station C7 on 7 and 9 October 2017. Underwater diaphragm wall cleaning works was conducted adjacent to the monitoring location on 7 and 9 October 2017, and the works was considered as the major contribute to the affected water quality. Meanwhile, the installed silt screen for Windsor House Water Intake was found incomplete according to the submitted Silt Screen Deployment Plan. As such, it was considered that the turbidity and suspended solid exceedances were related to HY/2010/08 Project works.

5.4.3 A project related turbidity exceedance was recorded at water quality monitoring station C7 on 25 October 2017. Underwater diaphragm wall cleaning works was conducted adjacent to the monitoring location on 25 October 2017 while impermeable barrier deployed was not fully enclosing the works area and affecting the water quality at the concerned Windsor House cooling water intake during monitoring sampling. As such, it was considered that the turbidity exceedance was related to HY/2010/08 Project works.

Reporting month of November 2017

5.4.4 There was no non-compliance from the site audits in November reporting period.

5.5. Summary of action taken in the event of and follow-up on non-compliance

Reporting month of September 2017

5.5.1 Further to the project related turbidity and suspended solid exceedance recorded at water quality monitoring station C7 on 13 September 2017, rectification measures including i) provision of additional impermeable barriers to enclose exposed soil slope and active works area and ii) flushing at the affected water holding tank were implemented under Contractor of HY/2010/08 by 14 September 2017.

5.5.2 Additional monitoring in accordance with the Event and Action Plan was conducted on 14 September 2017 and no further turbidity exceedance was recorded. No further suspended solid exceedance was recorded on the subsequent monitoring on 15 September 2017. Nevertheless, the Contractor is reminded to conduct regular checking of impermeable barrier or silt curtain deployed to ensure the mitigation measures are maintained without opening and fully extended to seabed level to safeguard the water quality and nearby water intakes.

Reporting month of October 2017

5.5.3 Further to the project related turbidity and suspended solid exceedances recorded at water quality monitoring station C7 on 7 and 9 October 2017, the water turbidity level of repeated measurement at the same monitoring location on the same date and tide were conducted and confirmed the exceedance recorded. Water quality monitoring was conducted on 7 October 2017 during ebb tide at 1205hrs and action level exceedance of turbidity was recorded. Subsequent monitoring was conducted on 7 October 2017 during flood tide at 1700hrs and limit level exceedance of turbidity and suspended solid was subsequently recorded. Additional monitoring in accordance with the Event and Action Plan was conducted on 8 October 2017 and limit level exceedance of turbidity was recorded.

5.5.4 Water quality monitoring was conducted on subsequent sampling date on 9 October 2017 during flood tide at 0935hrs and action level exceedance of turbidity was recorded. Meanwhile, no further suspended solid exceedance was recorded on 9 October 2017 during flood tide at 0935hrs. Water quality monitoring was subsequently conducted on 9 October 2017 during ebb tide at 1357hrs and limit level exceedance of turbidity was recorded. Additional monitoring in accordance with the Event and Action Plan was conducted on 10 October 2017 and no further turbidity exceedance was recorded.

5.5.5 Upon identification of defects on 7 October 2017, rectification measures including reinstatement of the silt screen installed for Windsor House Water Intake; cleaning of water holding tank, and provide mitigation measures including impermeable barrier around underwater cleaning works area, as appropriate under the Contractor HY/2010/08 were implemented by 11 October 2017.

5.5.6 Further to the project related turbidity exceedance recorded at water quality monitoring station C7 on 25 October 2017, the water turbidity level of repeated measurement at the same monitoring location on the same date and tide was conducted and confirmed the exceedance recorded. Additional monitoring in accordance with the Event and Action Plan was conducted on 26 October 2017 and no further turbidity exceedance was recorded.

5.5.7 Rectification measures including i) maintained deployed impermeable barriers without openings, and ii) flushing at the affected water holding tank were implemented under the Contractor of HY/2010/08 by 26 October 2017.

Reporting month of November 2017

5.5.8 No particular action taken was taken for site audits since no non-compliance was recorded in November reporting period.

6. Complaints, Notification of Summons and Prosecution

6.0.1. No environmental complaint was received in this reporting quarter.

6.0.2. The details of cumulative complaint log and summary of complaints are presented in Appendix 6.1.

6.0.3. Cumulative statistic on complaints and successful prosecutions are summarized in Table 6.1 and Table 6.2 respectively.

Table 6.1 Cumulative Statistics on Complaints

Reporting Period	No. of Complaints
Commencement works (Mar 2010) to last reporting quarter	47
September 2017 – November 2017	0
Project-to-Date	47

Table 6.2 Cumulative Statistics on Successful Prosecutions

Environmental Parameters	Cumulative No. Brought Forward	No. of Successful Prosecutions this quarter (Offence Date)	Cumulative No. Project-to-Date
Air	-	0	0
Noise	-	0	0
Water	-	0	0
Waste	-	0	0
Total	-	0	0

7. Cumulative Construction Impact due to the Concurrent Projects

7.0.1. According to Condition 3.4 of the EP-356/2009, this section addresses the relevant cumulative construction impact due to the concurrent activities of the current projects including the Central Reclamation Phase III, Central-Wanchai Bypass and Island Eastern Corridor Link projects.

7.0.2. According to the Final EM&A Report of Central Reclamation Phase III (CRIII) for Contract HK 12/02, the major construction activities were completed by end of January 2014 and no construction activities were undertaken thereafter and the water quality monitoring was completed in October 2011 and no Project-related exceedance was recorded for air and noise monitoring. It can be concluded that cumulative construction impact due to the concurrent activities of the current projects with the Central Reclamation Phase III (CRIII) was insignificant.

7.0.3. According to the construction programme of Central-Wanchai Bypass at Wanchai West at the Central Reclamation Phase III area include road and drain works, backfilling works and reinstatement of culvert, trimming of rock levels and cooling mains and reinstatement of planter at P1 road were performed in November 2017 reporting period. As no project related exceedance were recorded during the reporting period, cumulative construction impact due to the concurrent activities of the current projects with the Central Reclamation Phase III (CRIII) was considered as insignificant.

7.0.4. According to the construction programme of Wan Chai Development Phase II, Central-Wan Chai Bypass and Island Eastern Corridor Link projects, the major construction activities under Wan Chai Development Phase II were road and drains construction, tunnel construction and backfilling works at Wan Chai West and Wan Chai East. The major construction activities under Central-Wan Chai Bypass and Island Eastern Corridor Link Projects were drainage works and ventilation building construction at Central; temporary reclamation removal works at Causeway Bay, road works and side wall construction at Victoria Park; bridge construction, piling works, foundation works and building construction at North Point area in the reporting period. In addition, other non-Wan Chai Development Phase II, Central-Wan Chai Bypass and Island Eastern Corridor Link projects was observed undertaken at Wan Chai North and North Point area.

7.0.5. No significant air impact from construction activities was anticipated in the reporting month. Besides, no project related exceedance was recorded during the air and noise environmental monitoring events in the reporting month. Thus, it is evaluated that the cumulative construction impact from the concurrent projects including Central Reclamation Phase III (CRIII), Wan Chai Development Phase II (WDII), Central-WanChai Bypass (CWB), Island Eastern Corridor Link projects (IECL) was insignificant.

8. Conclusion

8.0.1. The EM&A programme was carried out in accordance with the EM&A Manual requirements, minor alterations to the programme proposed were made in response to changing circumstances.

Reporting month of September 2017

8.0.2. There were 1 limit level of turbidity and 1 limit level of suspended solid exceedance recorded at C7 on 13 September 2017. Seabed reinstatement works was conducted opposite to the monitoring location under Contract HY/2012/08 during the monitoring period on 13 September 2017 while turbid dispersion was observed originating from an unprotected slope adjacent to the concerned monitoring location and affecting the water quality at the concerned Windsor House cooling water intake during monitoring sampling. As such, it was considered that the turbidity and suspended solid exceedances were related to HY/2010/08 Project works.

Reporting month of October 2017

8.0.3. There were 2 action and 2 limit level of turbidity and 1 limit level of suspended solid exceedances recorded at C7 on 7 and 9 October 2017. Underwater diaphragm wall cleaning works was conducted adjacent to the monitoring location on 7 and 9 October 2017, and the works was considered as the major contribute to the affected water quality. Meanwhile, the installed silt screen for Windsor House Water Intake was found incomplete according to the submitted Silt Screen Deployment Plan. As such, it was considered that the turbidity and suspended solid exceedances were related to HY/2010/08 Project works.

8.0.4. There was 1 limit level of turbidity exceedance recorded at C7 on 25 October 2017. Underwater diaphragm wall cleaning works was conducted adjacent to the monitoring location on 25 October 2017 while impermeable barrier deployed was not fully enclosing the works area and affecting the water quality at the concerned Windsor House cooling water intake during monitoring sampling. As such, it was considered that the turbidity exceedance was related to HY/2010/08 Project works.

Reporting month of November 2017

8.0.5. There was no non-compliance from the site audits in November reporting period.

8.0.6. No summon or prosecution was received in this reporting quarter.

8.0.7. The construction programmes of individual contracts are provided in Appendix 8.1.