Contract No: HK/2009/05

 

Wanchai Development Phase II and Central Wanchai Bypass

Sampling, Field Measurement and Testing Work (Stage 1)

 

Environmental Permit no. EP-356/2009,

Further Evironmental permit nos. fep-01/356/2009, fep-02/356/2009, FEP-03/356/2009 and Fep-04/356/2009

 

Quarterly Environmental Monitoring
and Audit Report

 

- Septmeber - November 2010 -

 

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:

 

 

20 December 2010

Table of contents

 

EXECUTIVE SUMMARY. iii

1.   Introduction. 1

1.1    Scope of the Report 1

1.2    Structure of the Report 1

2.   Project Background. 2

2.1    Background. 2

2.2    Scope of the Project and Site Description. 2

2.3    Division of the Project Responsibility. 3

2.4    Project Organization and Contact Personnel 4

2.5    Principle Work and Activities. 6

3.   Monitoring Requirements. 11

3.1.    Noise Monitoring. 11

3.2.    Air Monitoring. 12

3.3.    Water Quality Monitoring. 13

4.   Monitoring Results. 15

4.1.    Noise Monitoring Results. 15

4.2.    Real Time Noise Monitoring Results. 16

4.3.    Air Monitoring Results. 16

4.4.    Water Monitoring Results. 17

4.5.    Waste Monitoring Results. 20

5.   Compliance Audit. 24

5.1.    Noise Monitoring. 24

5.2.    Air Monitoring. 24

5.3.    Water Quality Monitoring. 24

5.4.    Site Audit 25

5.5.    Review of the Reasons for and the Implications of Non-compliance. 25

5.6.    Summary of action taken in the event of and follow-up on non-compliance. 25

6.   Complaints, Notification of Summons and Prosecution. 26

7.   Cumulative Construction Impact due to the Concurrent Projects. 27

8.   Conclusion. 28


lIST OF TABLES

 

Table I      Principle Work Activities for Contract no. HY/2009/11

Table II     Principle Work Activities for Contract no. HK/2009/01

Table III     Principle Work Activities for Contract no. HK/2009/02

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    Principle Work Activities for Contract no. HY/2009/11

Table 2.5    Principle Work Activities for Contract no. HK/2009/01

Table 2.6    Principle Work Activities for Contract no. HK/2009/02

Table 3.1   Noise Monitoring Stations

Table 3.2   Real Time Noise Monitoring Station

Table 3.3   Air Monitoring Stations

Table 3.4    Marine Water Quality Stations for Water Quality Monitoring

Table 3.5   Marine Water Quality Monitoring Frequency and Parameters

Table 4.1    Noise Monitoring Stations for Contract no. HY/2009/11

Table 4.2    Noise Monitoring Station for Contract nos. HK/2009/01 and HK/2009/02

Table 4.3    Noise Monitoring Station for Contract nos. HY/2009/15

Table 4.4   Real Time Noise Monitoring Station for Contract no. HY/2009/11

Table 4.5   Air Monitoring Stations for Contract no. HY/2009/11

Table 4.6    Air Monitoring Stations for Contract no. HK/2009/01

Table 4.7    Air Monitoring Station for Contract no. HK/2009/02

Table 4.8    Air Monitoring Station for Contract no. HY/2009/15

Table 4.9   Water Monitoring Stations for Contract no. HY/2009/11

Table 4.10   Water Monitoring Stations for Contract no. HK/2009/01

Table 4.11   Water Monitoring Stations for Contract no. HK/2009/02

Table 4.12   Water Monitoring Stations for Contract no. HY/2009/15

Table 4.13   Summary of Water Quality Monitoring Exceedances in Reporting Quarter

Table 4.14  Details of Waste Disposal for Contract no. HY/2009/11

Table 4.15  Details of Waste Disposal for Contract no. HK/2009/01

Table 4.16  Details of Waste Disposal for Contract no. HK/2009/02

Table 4.17  Details of Waste Disposal for Contract no. HY/2009/15

Table 5.1   Summary of Water Quality Exceedances in the reporting Quarter

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 4.4   Real-time Noise Monitoring Results and Graphical Presentations

Appendix 5.1   Event Action Plans

Appendix 6.1   Complaint Log

Appendix 8.1   Construction Programme of Individual Contracts

EXECUTIVE SUMMARY

  1. This is the Quarterly Environmental Monitoring and Audit (EM&A) Report  /span> September to November 2010 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-01/356/2009, FEP-02/356/2009, FEP-03/356/2009 and FEP-04/356/2009. This report presents the environmental monitoring and audit findings and information during the period from 28th September 2010 to 27th November 2010. The cut-off date of reporting is at 27th of each reporting quarter.

 

Construction Activities for the Reported Period

  1. During this reporting period, the principle work activities for Contract no. HY/2009/11 are summarized as below:

Table I     Principle Work Activities for Contract no. HY/2009/11

September 2010

October 2010

November 2010

Ÿ              Floating Out of Caisson;Seawall,

Ÿ              Installation of Caisson Seawall,

Ÿ              Dredging works,

Ÿ              Reclamation works,

Ÿ              Construction & installation of Seawall Block,

Ÿ              Works for Fenders and rubber steps and

Ÿ              Pre-casting works for coping

Ÿ              Dredging works;

Ÿ              Reclamation works;

Ÿ              Construction & installation of Seawall Block;

Ÿ              Floating Out of Caisson Seawall;

Ÿ              Construction & installation of Seawall Block;

Ÿ              Installation of Caisson Seawall; and

Ÿ              Temporary Protection and Precautionary Measures to Existing Island Eastern Corridor Structure

Ÿ              Dredging works;

Ÿ              Reclamation works;

Ÿ              Construction & installation of Seawall Block;

Ÿ              Floating Out of Caisson Seawall;

Ÿ              Construction & installation of Seawall Block;

Ÿ              Construction of coping;

Ÿ               /span>Installation of Caisson Seawall; and

Ÿ              Temporary Protection and Precautionary Measures to Existing Island Eastern Corridor Structure

 

  1. During this reporting period, the principle work activities for Contract no. HK/2009/01 are summarized as below:

Table II    Principle Work Activities for Contract no. HK/2009/01

September 2010

October 2010

November 2010

 -           Modification of CATV combine service inspection chamber. In addition, trial pit at HKCEC VIP Drop-Off area is ongoing;

 -           Construction of trial bored pile construction;

 -           Dredging works for cross harbour watermains at Central Fairway;

 -           Trial dredging at south side of HKCEC water channel was commenced on 7 Sept 10;

 -           Cutting of abandoned piles at HKCEC water channel was completed on 20 Sept 10;

 -           Dismantling of existing sloping seawall and removal of armor rocks at north-west side of water channel;

 -           Trial pits construction for determination of pipeline alignment at Convention Avenue;

 -           Preparation and excavation works for pipe laying of salt water main at Harbour Road;

 -           Trial pits construction for determination of pipeline alignment and connection for cross harbour water mains at Tsim Sha Tsui and Wan Chai Fenwick Pier Street;

 -           The fabrication of elbow sections of cross harbour submarine pipes;

 -           The assembling of tailor made dredging crane barge.

 -           Modification of CATV combine service inspection chamber and trial pit at HKCEC VIP drop-off area;

 -           Trial bored pile was concreted;

 -            /span>6 pipe piles of P1 Wall have been installed (P4, P14, P15, P16, P17 & P18);

 -           Preparation of pre-split works for SCL diaphragm wall works. Mobilization of drilling rig;

 -           Bulk dredging works for cross harbour watermains at central fairway;

 -            /span>1st root pruning for trees at Tsim Sha Tsui;

 -           Relocation of directional signage along Convention Ave;

 -           Hoarding erection and CEDD logo panel installation at Tsim Sha Tsui Salisbury Garden area;

 -           Cooling mains: (a) At Convention Avenue: Trial pits construction for determination of existing pipelines for Convention Plaza. In addition, due to construction of SCL works, preparation works for temporary diversion of Convention Plaza discharge mains are in progress; (b) At HKCEC VIP drop-off area: Preparation and excavation works for pipe laying;

 -           Cross harbour water mains: (a) Wan Chai: Trial pits for determination of pipeline connection at Fenwick Pier Street. However, unexpected concrete features were found and further clarification (by mean trial pit) on the feasibility of connection location is in progress;

 -            /span>Salt water mains: (a) At Harbour Road: Preparation and excavation works for pipe laying. However, unexpected concrete features were found and further clarification (by mean trial pit) on the feasibility of design alignment; (b) Fenwick Pier Street: Trial pit for determination of connection location is in progress. However, unexpected concrete features were found at the design connection point and further clarification (by mean trial pit) on the feasibility of connection location is in progress;

 -           The fabrication of elbow sections of cross harbour submarine pipes;

 -           The fabrication of steel formwork and construction of precast platform for concrete surround casting of cross harbour submarine pipes;

 -           The fabrication of Taper-lok flange joints;

 -           The fabrication of 9-in-1 barge and conveyor belts;

 -           Trial dumping of sediment bag; and

 -           Order for another 7-in-1 jack up barge was made for delivery to site.

 -           Dredging woks had been completed about 46% for the open cut trench of cross harbour water mains;

 -           Manufacturing of Taper-lok flange joint;

 -           Trial pits for determination of connection location at both Wan Chai and Tsui Sha Tsui areas;

 -           Routine maintenance and clearance works for silt screens;

 -           Trial pits for determination of connection location at both Wan Chai and Tsim Sha Tsui areas;

 -           Due to construction of SCL works, preparation works for temporary diversion of Convention Plaza discharge mains;

 -           6 pipe piles of P1 Wall had been installed;

 -           Fabrication of conveyor belt system for filling works at HKCEC water channel reclamation; and

 -           Order for 2 jack-up barges were made for delivery to site in end Nov 10 and mid Jan 11 respectively

 

 

  1. During this reporting period, the principle work activities for Contract no. HK/2009/02 are summarized as below:

Table III    Principle Work Activities for Contract no. HK/2009/02

September 2010

October 2010

November 2010

Ÿ              Site Cleaning and Tidying;

Ÿ              Temporary Hoarding Erection;

Ÿ              Pre-bored H-piles, ELS and excavation at WSD Pumping Station;

Ÿ              Construction of Salt Water Intake Culvert at Pet Garden;

Ÿ              Road Modification and Improvement Works;

Ÿ              Construction of Cooling Mains Along Public Road;

Ÿ              Demolition of Finger Pier;

Ÿ              Construction of Temporary Seawall;

Ÿ              Dredging of WCR 1;

Ÿ              Tree Transplanting; and

Ÿ              Plant Trial of TKO 137 Sorting Facility

Ÿ              Site Cleaning and Tidying;

Ÿ              Temporary Hoarding Erection;

Ÿ              Pre-bored H-piles, ELS and excavation at WSD Pumping Station;

Ÿ              Construction of Salt Water Intake Culvert at Pet Garden;

Ÿ              Road Modification and Improvement Works at Harbour Road, Expo Drive East;

Ÿ              Construction of Temporary Seawall and Permanent Seawall in Area WCR 1;

Ÿ              Dredging and Reclamation in Area WCR 1;

Ÿ              Fabrication and delivery of HDPE pipe for submarine outfall;

Ÿ              Trench excavation for construction of Salt Water Intake Culvert at Wan Shing Street;

Ÿ              Tree Transplanting and Felling; and

Ÿ              Testing with trail run of TKO 137 Sorting Facility

Ÿ              Rock filling grade 400 in Area WCR1 commenced; /span>

Ÿ              Dredging in Area WCR1 was nearly completed;

Ÿ              Fabrication of precast cooling water pumping stations P7, P8, P9, caisson seawalls and seawall blocks was in progress in the casting yard in the Mainland;

Ÿ              Sheet pile installation for construction of footing for new public toilet and helipad terminal building commenced;

Ÿ              Demolition of covered walkway at Expo Drive East continued;

Ÿ              Bus trial run at the junction between Harbour Road and Fleming Road by KMB and City Bus for the TTMS for Trial Pit (TPI) was carried out;

Ÿ              Trench excavation for cooling water mains in southern footpath of Harbour Road near China Resources Building continued;

Ÿ              Pre-boring for ELS of Salt Water Intake Culvert Bay 9 to 11 commenced;

Ÿ              Sheet pile installation of Salt Water Intake Culvert Bay 20 to 25 at Wan Shing Street continued;

Ÿ              Trench excavation for cooling water main in the footpath of Harbour Centre and Great Eagle Centre, along Harbour Road and across Harbour Road continued;

Ÿ              For cooling water main construction in Ex-Pet Garden, trench excavation commenced;

Ÿ               /span>Pre-bored H-piling for the Re-provisioned WSD Salt Water Pumping Station continued; and

Ÿ              Testing and trial of the public fill sorting facility at Tseung Kwan O Area 137 continued.

Ÿ               Contract no. HY/2009/15 was commenced on 10 November 2010. The major work activities are included:

Ÿ              Installation of 1st Phase Silt Curtain;

Ÿ              Maintenance dredging works at PMA, TCBR2 and TCBR3 for mooring and anchorage rearrangement;

Ÿ              Installation of Buoys; and

Ÿ              Demolition of Ex-fireboat Station

 

  1. Contract no. HY/2009/15 was commenced on 10 November 2010. The preparation works and major construction works in the reporting quarter are included:

 -           Installation of 1st Phase Silt Curtain;

 -           Maintenance dredging works at PMA, TCBR2 and TCBR3 for mooring and anchorage rearrangement;

 -            /span>Installation of Buoys; and

 -           Demolition of Ex-fireboat Station

Noise Monitoring

  1. Noise monitoring during day time and evening time were conducted at the M1a, M4b and M5b on a weekly basis in the reporting quarter. Besides, noise monitoring during daytime at M2b and M3a were commenced on 10 November 2010. The limit level exceedances recorded in the reporting quarter are listed below. Investigation found that exceedances were not related to the Project. Investigation found that exceedances were not related to the Project.

Ÿ             Ten limit level exceedances at M1a on 31 August, 7 and 14 September, 5, 16, 19 and 26 October 4, 10 and 16 November 2010 during the evening time period;

Ÿ             Two limit level exceedances at M4b on 31 August and 21 September 2010 during daytime period; and

Ÿ             Two limit level exceedances at M5b on 10 and 16 November 2010 at the daytime period.

 

Real-time Noise Monitoring

  1. Real-time noise monitoring at FEHD Hong Kong Transport Section Whitefield Depot and Oil Street Community Centre have been commenced on 5 October 2010 for the filling works of Contract no. HY/2009/11. Discontinuous limit level exceedances were recorded at these two stations during the restricted hour. Investigation found that exceedances were not related to the Project.

 

Air Quality Monitoring

  1. 1hr and 24hr TSP monitoring were conducted at CMA1b and CMA2a in the reporting quarter. No exceedance was recorded during the reporting quarter.

 

Water Quality Monitoring

  1. Water quality monitoring was conducted at 19 monitoring stations namely WSD7, WSD9, WSD10, WSD15, WSD17, WSD19, WSD20, WSD 21, C1, C2, C3, C4e, C4w, C5e, C5w, C6, C7, C8 and C9 during the reporting period. The water quality monitoring at C6 and C7 were commenced on 9 November 2010. Total 2 exceedances of DO, 27 exceedances of Turbidity and 46 exceedances of SS were recorded during mid-flood while 13 exceedances of DO, 37 exceedances of Turbidity and 56 exceedances of SS were recorded during mid-ebb in the reporting period. Investigation found that the exceedances were not due to the Project works.

 /span>

Complaints, Notifications of Summons and Successful Prosecutions

  1. Two complaints were received 8 and 10 November 2010 regarding the visual concerns around the seaside silt screen outside the WSD freshwater intake pump at Sai Wan Ho and noise nuisance generated from PME at the marine work area adjacent to Harbour Height. No further complaint was received after investigation and follow-up action taken.

 

 

 

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-01/356/2009, FEP-02/356/2009, FEP-03/356/2009 and FEP-04/356/2009 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-014/2001).

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  /span>Environmental Monitoring and Audit Requirements /span> under Particular Specification Section 27.

1.1.3.        This report documents the finding of EM&A works during the period from 28th September 2010 to 27th November 2010.

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, 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.

2.3.2.        In the reporting period, Contract no. HY/2009/15 - Central-Wanchai Bypass  Tunnel (Causeway Bay Typhoon Shelter Section) under the Project was commenced on 10 November 2010. 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

Pending

HK/2009/02

Wan Chai Development Phase II  Central  Wan Chai Bypass at WanChai East

DP3, DP5

5 July 2010

DP1

Pending

HY/2009/11

Wan Chai Development Phase II and Central - Wan Chai Bypass - North Point Reclamation

DP3

17 March 2010

HY/2009/15

Central-Wanchai Bypass  Tunnel (Causeway Bay Typhoon Shelter Section)

DP3

10 November 2010

 

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 for WDII

Principle Resident Engineer

Mr. Frankie Fan

2587 1778

2587 1877

Engineer for CWB

Principle Resident Engineer

Mr. Peter Poon

3916 1818

3529 2829

China Harbour- CRBC Joint Venture

Contractor under Contract no. HY/2009/11

Project Director

Mr. Cho Yu Fun

3157 1086

3157 1085

Project Manager

Mr. Gregory Wong

3157 1086

Site Agent

Mr. Daniel Cheung

3157 1086

Environmental Officer

Mr. C. M. Wong

3157 1086

Chun Wo  Leader Joint Venture

Contractor under Contract no. HK/2009/01

Site Agent

Mr. Paul Yu

9456 9819

2634 1626

Operation Manager

Lau Yee Ching

9466 3918

Construction Manager

David Wong

9653 8635

Construction Manager

Wilson Lau

5183 1270

Construction Manager

Chan Mui Sang

9864 8615

Environmental Officer (Compliance Manager)

Brian Wan

9312 2827

Environmental Engineer

Shelton Chan

5395 5470

Chun Wo  CRGL Joint Venture

Contractor under Contract no. HK/2009/02

Project Manager

Mr. Chan Sing Cho

3658 3002

2827 9996

Site Agent

Mr. Eric Lam

3658-3048

Environmental Officer (Compliance Manager)

Mr. Barry Leung

3658 3031

Environmental Engineer

Ms. Flora Ng

3658-3064

China State Construction Engineering (HK) Ltd.

Contractor under Contract no. HY/2009/15

Project Manager

Mr. M Y Wong

2823 7879

2528 5651

Site Agent

Mr. K Y Leung

9026 8808

2566 2192

 

 

Construction Manager

Mr. C K Kwok

9779 2162

 

 

 

Assistant Construction Manager (East)

Mr. Gene Cheung

6105 4880

 

 

 

Assistant Construction Manager (West)

Mr. Tony Chiu

9090 0606

 

 

 

Section Agent (East)

Mr. Jason Chan

9254 1635

 

 

 

Section Agent (West)

Mr. Tang Ka Tung

9473 4771

 

 

 

Environmental Manager

Ms. Anna Yu

9473 1945

 

ENVIRON Hong Kong Limited

Independent Environmental Checker (IEC)

Independent Environmental Checker (IEC)

Mr. David Yeung

3743 0788

3548 6988

Lam Geotechnics Limited

Environmental Team (ET)

Environmental Team Leader (ETL)

Mr. Raymond Dai

2882 3939

2882 3331

 

2.5               Principle Work and Activities

2.5.1.        During this reporting period, the principle work activities for Contract no. HY/2009/11 are summarized in Table2.4.

Table 2.4   Principle Work Activities for Contract no. HY/2009/11

September 2010

October 2010

November 2010

Ÿ              Floating Out of Caisson Seawall,

Ÿ              Installation of Caisson Seawall,

Ÿ              Dredging works,

Ÿ              Reclamation works,

Ÿ              Construction & installation of Seawall Block,

Ÿ              Works for Fenders and rubber steps and

Ÿ              Pre-casting works for coping

Ÿ              Dredging works;

Ÿ              Reclamation works;

Ÿ              Construction & installation of Seawall Block;

Ÿ              Floating Out of Caisson Seawall;

Ÿ              Construction & installation of Seawall Block;

Ÿ              Installation of Caisson Seawall; and

Ÿ              Temporary Protection and Precautionary Measures to Existing Island Eastern Corridor Structure

Ÿ              Dredging works;

Ÿ              Reclamation works;

Ÿ              Construction & installation of Seawall Block;

Ÿ              Floating Out of Caisson Seawall;

Ÿ              Construction & installation of Seawall Block;

Ÿ              Construction of coping;

Ÿ               /span>Installation of Caisson Seawall; and

Ÿ              Temporary Protection and Precautionary Measures to Existing Island Eastern Corridor Structure

 

2.5.2.        During this reporting period, the principle work activities for Contract no. HK/2009/01 are summarized in Table 2.5.

Table 2.5   Principle Work Activities for Contract no. HK/2009/01

September 2010

October 2010

November 2010

 -           Modification of CATV combine service inspection chamber. In addition, trial pit at HKCEC VIP Drop-Off area is ongoing;

 -           Construction of trial bored pile construction;

 -           Dredging works for cross harbour watermains at Central Fairway;

 -           Trial dredging at south side of HKCEC water channel was commenced on 7 Sept 10;

 -           Cutting of abandoned piles at HKCEC water channel was completed on 20 Sept 10;

 -           Dismantling of existing sloping seawall and removal of armor rocks at north-west side of water channel;

 -           Trial pits construction for determination of pipeline alignment at Convention Avenue;

 -           Preparation and excavation works for pipe laying of salt water main at Harbour Road;

 -           Trial pits construction for determination of pipeline alignment and connection for cross harbour water mains at Tsim Sha Tsui and Wan Chai Fenwick Pier Street;

 -           The fabrication of elbow sections of cross harbour submarine pipes;

 -           The assembling of tailor made dredging crane barge.

 -           Modification of CATV combine service inspection chamber and trial pit at HKCEC VIP drop-off area;

 -           Trial bored pile was concreted;

 -            /span>6 pipe piles of P1 Wall have been installed (P4, P14, P15, P16, P17 & P18);

 -           Preparation of pre-split works for SCL diaphragm wall works. Mobilization of drilling rig;

 -           Bulk dredging works for cross harbour watermains at central fairway;

 -            /span>1st root pruning for trees at Tsim Sha Tsui;

 -           Relocation of directional signage along Convention Ave;

 -           Hoarding erection and CEDD logo panel installation at Tsim Sha Tsui Salisbury Garden area;

 -           Cooling mains: (a) At Convention Avenue: Trial pits construction for determination of existing pipelines for Convention Plaza. In addition, due to construction of SCL works, preparation works for temporary diversion of Convention Plaza discharge mains are in progress; (b) At HKCEC VIP drop-off area: Preparation and excavation works for pipe laying;

 -           Cross harbour water mains: (a) Wan Chai: Trial pits for determination of pipeline connection at Fenwick Pier Street. However, unexpected concrete features were found and further clarification (by mean trial pit) on the feasibility of connection location is in progress;

 -            /span>Salt water mains:  /span>(a) At Harbour Road: Preparation and excavation works for pipe laying. However, unexpected concrete features were found and further clarification (by mean trial pit) on the feasibility of design alignment; (b) Fenwick Pier Street: Trial pit for determination of connection location is in progress. However, unexpected concrete features were found at the design connection point and further clarification (by mean trial pit) on the feasibility of connection location is in progress;

 -           The fabrication of elbow sections of cross harbour submarine pipes;

 -           The fabrication of steel formwork and construction of precast platform for concrete surround casting of cross harbour submarine pipes;

 -           The fabrication of Taper-lok flange joints;

 -           The fabrication of 9-in-1 barge and conveyor belts;

 -           Trial dumping of sediment bag; and

 -           Order for another 7-in-1 jack up barge was made for delivery to site.

 -           Dredging woks had been completed about 46% for the open cut trench of cross harbour water mains;

 -           Manufacturing of Taper-lok flange joint;

 -           Trial pits for determination of connection location at both Wan Chai and Tsui Sha Tsui areas;

 -           Routine maintenance and clearance works for silt screens;

 -           Trial pits for determination of connection location at both Wan Chai and Tsim Sha Tsui areas;

 -           Due to construction of SCL works, preparation works for temporary diversion of Convention Plaza discharge mains;

 -           6 pipe piles of P1 Wall had been installed;

 -           Fabrication of conveyor belt system for filling works at HKCEC water channel reclamation; and

 -           Order for 2 jack-up barges were made for delivery to site in end Nov 10 and mid Jan 11 respectively

 

 

2.5.3.        During this reporting period, the principle work activities for Contract no. HK/2009/02 are summarized in Table 2.6.

Table 2.6   Principle Work Activities for Contract no. HK/2009/02

September 2010

October 2010

November 2010

Ÿ              Site Cleaning and Tidying;

Ÿ              Temporary Hoarding Erection;

Ÿ              Pre-bored H-piles, ELS and excavation at WSD Pumping Station;

Ÿ              Construction of Salt Water Intake Culvert at Pet Garden;

Ÿ              Road Modification and Improvement Works;

Ÿ              Construction of Cooling Mains Along Public Road;

Ÿ              Demolition of Finger Pier;

Ÿ              Construction of Temporary Seawall;

Ÿ              Dredging of WCR 1;

Ÿ              Tree Transplanting; and

Ÿ              Plant Trial of TKO 137 Sorting Facility

Ÿ              Site Cleaning and Tidying;

Ÿ              Temporary Hoarding Erection;

Ÿ              Pre-bored H-piles, ELS and excavation at WSD Pumping Station;

Ÿ              Construction of Salt Water Intake Culvert at Pet Garden;

Ÿ              Road Modification and Improvement Works at Harbour Road, Expo Drive East;

Ÿ              Construction of Temporary Seawall and Permanent Seawall in Area WCR 1;

Ÿ              Dredging and Reclamation in Area WCR 1;

Ÿ              Fabrication and delivery of HDPE pipe for submarine outfall;

Ÿ              Trench excavation for construction of Salt Water Intake Culvert at Wan Shing Street;

Ÿ              Tree Transplanting and Felling; and

Ÿ              Testing with trail run of TKO 137 Sorting Facility

Ÿ              Rock filling grade 400 in Area WCR1 commenced; /span>

Ÿ              Dredging in Area WCR1 was nearly completed;

Ÿ              Fabrication of precast cooling water pumping stations P7, P8, P9, caisson seawalls and seawall blocks was in progress in the casting yard in the Mainland;

Ÿ              Sheet pile installation for construction of footing for new public toilet and helipad terminal building commenced;

Ÿ              Demolition of covered walkway at Expo Drive East continued;

Ÿ              Bus trial run at the junction between Harbour Road and Fleming Road by KMB and City Bus for the TTMS for Trial Pit (TPI) was carried out;

Ÿ              Trench excavation for cooling water mains in southern footpath of Harbour Road near China Resources Building continued;

Ÿ              Pre-boring for ELS of Salt Water Intake Culvert Bay 9 to 11 commenced;

Ÿ              Sheet pile installation of Salt Water Intake Culvert Bay 20 to 25 at Wan Shing Street continued;

Ÿ              Trench excavation for cooling water main in the footpath of Harbour Centre and Great Eagle Centre, along Harbour Road and across Harbour Road continued;

Ÿ              For cooling water main construction in Ex-Pet Garden, trench excavation commenced;

Ÿ               /span>Pre-bored H-piling for the Re-provisioned WSD Salt Water Pumping Station continued; and

Ÿ              Testing and trial of the public fill sorting facility at Tseung Kwan O Area 137 continued.

Ÿ               Contract no. HY/2009/15 was commenced on 10 November 2010. The major work activities are included:

Ÿ              Installation of 1st Phase Silt Curtain;

Ÿ              Maintenance dredging works at PMA, TCBR2 and TCBR3 for mooring and anchorage rearrangement;

Ÿ              Installation of Buoys; and

Ÿ              Demolition of Ex-fireboat Station

 

2.5.4.        Major construction activities for Contract no. HY/2009/15 was commenced on 10 November 2010. The preparation works and major construction works in the reporting quarter are included:

 -           Installation of 1st Phase Silt Curtain;

 -           Maintenance dredging works at PMA, TCBR2 and TCBR3 for mooring and anchorage rearrangement;

 -           Installation of Buoys; and

 -           Demolition of Ex-fireboat Station

2.5.5.        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.  /span>Appendix 3.1 shows the established Action/Limit Levels for the monitoring works.

Table 3.1  Noise Monitoring Stations

Station

Description

M1a

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

 

Real time Noise Monitoring Stations

3.1.1.        The noise 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  Real Time Noise Monitoring Station

District

Station

Description

Tin Hau

RTN1

FEHD Hong Kong Transport Section Whitefield Depot

North Point

RTN2

Oil Street Community Liaison Centre

 

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 (Leq). Leq (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, Leq (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.        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.

3.1.2.        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.

3.2.                        Air Monitoring

Air Quality Monitoring Stations

3.2.1.        The air monitoring stations for the Project are listed and shown in Table 3.3 and Figure 3.1. Appendix 3.1 shows the established Action/Limit Levels for the monitoring works.

Table 3.3  Air Monitoring Stations

Station ID

Monitoring Location

Description

CMA1b

Oil Street Community Liaison Centre

North Point

CMA2a

Causeway Bay Community Centre

Causeway Bay

CMA3a

Future CWB site office at Wanchai Waterfront Promenade

Causeway Bay

CMA4a

Society for the Prevention of Cruelty to Animals

Wan Chai

CMA5a

Children Playgrounds opposite to Pedestrian Plaza

Wan Chai

CMA6a

Future AECOM site office at Work Area

Wan Chai

 

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.

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.

Water Quality Monitoring Stations

3.3.2.        It is proposed to monitor the water quality at 9 WSD salt water intakes and 14 cooling water intakes along the seafront of the Victoria Harbour. The proposed water quality monitoring stations of the Project are shown in Table 3.4 and Figure 3.1. Appendix 3.1 shows the established Action/Limit Levels for the monitoring works.

Table 3.4   Marine Water Quality Stations for Water Quality Monitoring

Station Ref.

Location

Easting

Northing

WSD Salt Water Intake

WSD7

Kowloon South

834150.0

818300.3

WSD9

Tai Wan

837921.0

818330.0

WSD10

Cha Kwo Ling

841900.9

817700.1

WSD15

Sai Wan Ho

841110.4

816450.1

WSD17

Quarry Bay

839790.3

817032.2

WSD19

Sheung Wan

833415.0

816771.0

WSD20

Kennedy Town

830750.6

816030.3

WSD21

Wan Chai

836220.8

815940.1

RW1

Wan Chai (Reprovision)

836188.8

815911.1

Cooling Water Intake

C1

HKCEC Extension

835885.6

816223.0

C2

Telecom House

835647.9

815864.4

C3

HKCEC Phase I

835836.2

815910.0

C4e

Wan Chai Tower and Great Eagle Centre (Eastern)

835932.8

815888.2

C4w

Wan Chai Tower and Great Eagle Centre (Western)

835629.8

815889.2

C5e

Sun Hung Kai Centre (Eastern)

836250.1

815932.2

C5w

Sun Hung Kai Centre (Western)

836248.1

815933.2

C6

World Trade Centre

837009.6

815999.3

C7

Windsor House

837193.7

816150.0

C8

City Garden

837970.6

816957.3

C9

Provident Garden

838355.0

817116.6

RC1

Proposed HKAPA Extension

835487.7

815987.7

RC5

Sun Hung Kai Centre (Reprovision)

836291.4

816029.7

RC7

Windsor House (Temporary Dilution)

837245.2

816156.6

 

Water Quality Parameters and frequency

3.3.3.        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. 

3.3.4.        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.

3.3.5.        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 3.5 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 3.5  Marine Water Quality Monitoring Frequency and Parameters

Activities

Monitoring Frequency1

Parameters2

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.

 

 

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).

 

   4.1.          Noise Monitoring Results

Contract no. HY/2009/11  Central  Wanchai Bypass, North Point Reclamation

4.1.1.        The proposed division of noise monitoring stations for Contract no. HY/2009/11 are summarized in Table 4.1 below:

Table 4.1   Noise Monitoring Stations for Contract no.  /span>HY/2009/11

Station

Description

M4b

Victoria Centre

M5b

City Garden

 

4.1.2.        Four limit level exceedances were recorded at Victoria Centre on 31 August and 21 September 2010 and at City Garden on 10 and 16 November 2010. All exceedances at Victoria Centre were investigated and found not attributed to the project works as major noise source was obtained from the Island Eastern Corridor. Besides, the exceedances recorded at City Garden were caused by the excavation and breaking works next to the monitoring station It was concluded that the exceedances were not due to the project.

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

 

Contract no. HK/2009/01 - Wan Chai Development Phase II  Central –Wanchai Bypass at HKCEC and Contract no. HK/2009/02 - Wan Chai Development Phase II  Central   Wan Chai Bypass at WanChai East

4.1.4.        The proposed division of noise monitoring stations are summarized in Table 4.2 below.

Table 4.2   Noise Monitoring Station for Contract nos. HK/2009/01 and HK/2009/02

Station

Description

M1a

Harbour Road Sports Centre

4.1.5.        Ten limit level exceedances were recorded at station M1a on 31 August, 7 and 14 September 5, 16, 19 and 26 October and 4, 10 and 16 November 2010 during construction works at evening time for Contract no. HK/2009/02 in reporting quarter. Major noise source was contributed from Tonnochy Road and water sport competition at Wan Chai Training Swimming Pool. The dredging work was complied with the conditions under valid Construction Noise Permit no. GW-RS0132-10 and GW-RS0777-10 during the measurement.

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

4.1.6.        The noise monitoring for HY/2009/15 was commenced on 10 November 2010. The proposed division of noise monitoring stations are summarized in Table 4.3 below. No exceedance was recorded in the reporting quarter.

Table 4.3   Noise Monitoring Station for Contract nos. HY/2009/15

Station

Description

M2b

Noon Gun Area

M3a

Tung Lo Wan Fire Station

 

   4.2.          Real Time Noise Monitoring Results

Contract no. HY/2009/11  Central  Wanchai Bypass, North Point Reclamation

4.2.1.        The proposed division of real time noise monitoring stations are summarized in Table 4.4 below. Real time noise monitoring for the piling works under contract no. HY/2009/11 was commenced on 5 October 2010.

Table 4.4  Real Time Noise Monitoring Station for Contract no. HY/2009/11

District

Station

Description

Tin Hau

RTN1

FEHD Hong Kong Transport Section Whitefield Depot

North Point

RTN2

Oil Street Community Liaison Centre

4.2.2.        No exceedance was recorded during the daytime period. In contrast, exceedances were recorded between 1900 and 2300 hours throughout the reporting quarter and between 2300 and 0700 on the next day.  /span>Details of real time noise monitoring results and graphical presentation can be referred to Appendix 4.2

   4.3.          Air Monitoring Results

Contract no. HY/2009/11  Central  Wanchai Bypass, North Point Reclamation

4.3.1.        The proposed division of air monitoring stations is summarized in Table 4.5 below.

Table 4.5   Air Monitoring Stations for Contract no. HY/2009/11

Station

Description

CMA1b

Oil Street Community Liaison Centre

CMA2a

Causeway Bay Community Centre

 

4.3.2.        Since the filling work was commenced in mid-August 2010, the 1hr and 24-hr TSP monitoring were commenced on 12 August and 11 August 2010 respectively. Until the commencement of the permanent power supply connection at CMA1b on 22 September 2010, the 24hr TSP at CMA1b was then commenced on 27 September 2010. No exceedance was recorded in the reporting quarter. Details of noise monitoring results and graphical presentation can be referred in Appendix 4.2.

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

4.3.3.        Air monitoring will be commenced from the filling work for Contract no. HK/2009/01. The proposed division of air monitoring stations are summarized in Table 4.6  below.

Table 4.6   Air Monitoring Stations for Contract no. HK/2009/01

Station

Description

CMA5a

Children Playgrounds opposite to Pedestrian Plaza

CMA6a

Future AECOM site office at Work Area 1

 

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

4.3.4.        Air monitoring will be commenced from the filling work for Contract no. HK/2009/02. The proposed division of air monitoring stations are summarized in Table 4.7 below.

Table 4.7   Air Monitoring Station for Contract no. HK/2009/02

Station

Description

CMA4a

Society for the Prevention of Cruelty to Animals

 

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

4.3.5.        Air monitoring will be commenced from the land filling work for Contract no. HY/2009/15. The proposed division of air monitoring stations are summarized in Table 4.8 below.

Table 4.8   Air Monitoring Station for Contract no. HY/2009/15

Station

Description

CMA3a

CWB site office at Wanchai Waterfront Promenade

 

4.3.6.        No major dust impact is anticipated to be caused by the site preparation works and dredging works during the reporting quarter. Air monitoring will be commenced from the filling works for Contract no. HK/2009/01, HK/2009/02 and HY/2009/15. Therefore, no air monitoring was conducted for these three contracts in the reporting period.

   4.4.          Water Monitoring Results

Contract no. HY/2009/11  Central  Wanchai Bypass, North Point Reclamation

4.4.1.        Water monitoring stations for Contract no. HY/2009/11 were commenced on 19 March 2010. The proposed division of water monitoring stations for Contract no. HY/2009/11 are summarized in Table 4.9 below:

Table 4.9  Water Monitoring Stations for Contract no.  /span>HY/2009/11

Station Ref.

Location

Easting

Northing

WSD Salt Water Intake

WSD9

Tai Wan

837921.0

818330.0

WSD10

Cha Kwo Ling

841900.9

817700.1

WSD15

Sai Wan Ho

841110.4

816450.1

WSD17

Quarry Bay

839790.3

817032.2

Cooling Water Intake

C8

City Garden

837970.6

816957.3

C9

Provident Garden

838355.0

817116.6

 

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

4.4.2.        Water monitoring stations for Contract no. HK/2009/01 were commenced on 8 July 2010. The proposed division of water monitoring stations are summarized in Table 4.10 below.

Table 4.10 Water Monitoring Stations for Contract no. HK/2009/01

Station Ref.

Location

Easting

Northing

WSD Salt Water Intake

WSD7

Kowloon South

834150.0

818300.3

WSD19

Sheung Wan

833415.0

816771.0

WSD20

Kennedy Town

830750.6

816030.3

Cooling Water Intake

C1

HKCEC Extension

835885.6

816223.0

C2

Telecom House

835647.9

815864.4

C3

HKCEC Phase I

835836.2

815910.0

C4e

Wan Chai Tower and Great Eagle Centre (Eastern)

835932.8

815888.2

C4w

Wan Chai Tower and Great Eagle Centre (Western)

835629.8

815889.2

 

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

4.4.3.        Water monitoring for Contract no. HK/2009/02 was commenced on 8 July 2010. The proposed division of water monitoring stations are summarized in Table 4.11 below.

Table 4.11 Water Monitoring Stations for Contract no. HK/2009/02

Station Ref.

Location

Easting

Northing

WSD Salt Water Intake

WSD21

Wan Chai

836220.8

815940.1

Cooling Water Intake

C5e

Sun Hung Kai Centre (Eastern)

836250.1

815932.2

C5w

Sun Hung Kai Centre (Western)

836248.1

815933.2

 

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

 

4.4.4.        Due to the commencement of the maintenance dredging on 10 November 2010, water quality monitoring for Contract no. HY/2009/15 was commenced on 9 November 2010. The proposed division of water monitoring stations are summarized in Table 4.12 below.

Table 4.12 Water Monitoring Stations for Contract no. HY/2009/15

Station Ref.

Location

Easting

Northing

Cooling Water Intake

C6

Excelsior Hotel

837009.6

815999.3

C7

Windsor House

837193.7

816150

 

4.4.5.        The water quality monitoring at the stations for HY/2009/11 was commenced on 19 March 2010. Then, water quality monitoring at the stations for Contract nos. HK/2009/01 and HK/2009/02 were commenced on 8 July 2010. Sine the commencement of maintenance dredging for Contract HY/2009/15, the water quality monitoring at C6 and C7 were commenced on 9 November 2010.

4.4.6.        Due to Strong Wind Signal No. 3 in force, water quality was concerned substantially affected by urban runoff, which cannot represent the normal impact condition of water quality. Thus, the impact water monitoring at all stations was cancelled on 20 September 2010 at mid-flood tide and 22 October 2010 at mid-flood and mid-ebb tides.

4.4.7.        Water monitoring results measured in this reporting period are reviewed and summarized in Table 4.13. Details of water quality monitoring results and graphical presentation can be referred in Appendix 4.3.

Table 4.13 Summary of Water Quality Monitoring Exceedances in Reporting Quarter

Contract no.

Water Monitoring Station

Mid-flood

Mid-ebb

DO

Turbidity

SS

DO

Turbidity

SS

AL

LL

AL

LL

AL

LL

AL

LL

AL

LL

AL

LL

HY/2009/11

WSD9

0

0

0

0

0

0

1

0

0

0

0

0

 

WSD10

0

0

0

0

1

0

1

0

0

0

0

0

 

WSD15

0

0

0

0

1

0

0

1

0

0

0

3

 

WSD17

0

0

0

3

1

5

3

0

0

1

1

3

 

C8

1

0

3

5

8

0

1

0

3

6

5

5

 

C9

0

0

1

3

6

1

1

0

4

3

9

1

HK/2009/01

WSD19

0

0

1

0

0

2

0

1

3

2

3

1

 

WSD20

0

0

3

3

2

4

1

0

1

5

1

5

 

WSD7

0

0

1

1

1

2

1

1

0

0

1

1

 

C1

0

0

0

0

0

0

0

0

0

0

0

0

 

C2

0

0

0

0

1

0

0

0

0

0

0

0

 

C3

0

0

0

0

5

0

0

0

1

2

3

1

 

C4e

0

0

1

0

1

1

0

0

0

1

1

1

 

C4w

0

0

0

0

1

0

0

0

1

0

2

0

HK/2009/02

C5e

0

0

0

0

0

0

0

0

0

0

0

0

 

C5w

0

0

0

0

0

0

0

0

0

1

2

1

 

WSD21

1

0

2

0

0

3

1

0

2

0

3

3

HY/2009/15

C6

0

0

0

0

0

0

0

0

0

0

0

0

 

C7

0

0

0

0

0

0

0

0

0

0

0

0

Total

2

0

12

15

28

18

10

3

15

21

31

25

 

4.4.8.        The exceedances have been investigated and were considered unlikely to be related to project works. Water monitoring results measured in this reporting period are reviewed and summarized. Details of graphical presentation can be referred in Appendix 4.2.

 

   4.5.          Waste Monitoring Results

Contract no. HY/2009/11  Central  Wanchai Bypass, North Point Reclamation

4.5.1.        No inert and non-inert C&D waste was disposed in this reporting period. Details of the waste flow table are summarized in Table 4.14

Table 4.14 Details of Waste Disposal for Contract no. HY/2009/11

Waste Type

Quantity this quarter

Cumulative Quantity-to-Date

Disposal / Dumping Grounds

Inert C&D materials disposed, m3

NIL

NIL

N/A

Inert C&D materials recycled, m3

NIL

NIL

N/A

Non-inert C&D materials disposed, m3

NIL

NIL

SENT Landfill

Non-inert C&D materials recycled, m3

NIL

NIL

N/A

Chemical waste disposed, kg

N/A

N/A

N/A

Marine Sediment (Type 1  Open Sea Disposal), m3

18,000

(Bulk Volume)

89,500

(Bulk Volume)

South of Cheung Chau

Marine Sediment (Type 1  Open Sea Disposal (Dedicate Sites) & Type 2  Confined Marine Disposal), m3

36,500

(Bulk Volume)

117,500

(Bulk Volume)

East of Sha Chau

 

4.5.2.        There were marine sediments Type 1  Open Sea Disposal and Type 1  Open Sea Disposal (Dedicate Sites) & Type 2   Confined Marine Disposal marine sediment disposed in the reporting period. The maximum dredging rate in North Point Shoreline Zone is 2,000m3 per day in the reporting quarter, which is complied with the criteria listed in Table 5.10 of EIA Report Register No. AEIAR-125/2008.

 

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

4.5.3.        Inert and non-inert C&D waste was disposed of for the site preparation works in this reporting period. Details of the waste flow table are summarized in Table 4.15.

Table 4.15 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, m3

1186.24

1,385.9

TKO134

Inert C&D materials recycled, m3

NIL

NIL

N/A

Non-inert C&D materials disposed, m3

46.78

105.42

SENT Landfill

Non-inert C&D materials recycled, m3

7.35

10.24

N/A

Chemical waste disposed, kg

370

660

N/A

Marine Sediment (Type 1  Open Sea Disposal) , m3

28,510

(Bulk Volume)

52,497

(Bulk Volume)

South of Cheung Chau

Marine Sediment (Type 1  Open Sea Disposal (Dedicate Sites) & Type 2  Confined Marine Disposal) , m3

6,662

(Bulk Volume)

6,662

(Bulk Volume)

East of Cha Chau

 

 

4.5.4.        There were marine sediments Type 1  Open Sea Disposal and Type 1  Open Sea Disposal (Dedicate Sites) & Type 2   Confined Marine Disposal marine sediment disposed in the reporting period. The maximum dredging rate in Cross Harbour Water Mains marine work zone and HKCEC1 subzone under Hong Kong Convention Exhibition Centre (HKCEC) marine work zone are 1314m3 per day, which is complied with the recommended maximum dredging rate, 1500m3 per day listed in Table 2 of FEP-02/356/2009.

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

4.5.5.        Inert and non-inert C&D waste was disposed of for the site preparation works in this reporting period. Details of the waste flow table are summarized in Table 4.16.

Table 4.16 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, m3

2296.5

3,847

TKO137

Inert C&D materials recycled, m3

NIL

NIL

N/A

Non-inert C&D materials disposed, m3

13

40.5

SENT Landfill

Non-inert C&D materials recycled, m3

NIL

NIL

N/A

Chemical waste disposed, kg

NIL

NIL

N/A

Marine Sediment (Type 1  Open Sea Disposal), m3

82,257

(Bulk Volume)

82,257

(Bulk Volume)

South of Cheung Chau

 

Marine Sediment (Type 1  Open Sea Disposal (Dedicate Sites) & Type 2  Confined Marine Disposal), m3

25760

(Bulk Volume)

76,970

(Bulk Volume)

East of Sha Chau

 

4.5.6.        There were marine sediments Type 1  Open Sea Disposal and Type 1  Open Sea Disposal (Dedicate Sites) & Type 2   Confined Marine Disposal marine sediment disposed in the reporting period at a maximum dredging rate 3,930m3 per day, which is complied with the recommended maximum dredging rate, 6,000m3 per day listed in Table 2 of FEP-02/356/2009.

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

4.5.7.        No inert and non-inert C&D waste was disposed of for the site preparation works in this reporting period. Details of the waste flow table are summarized in Table 4.17.

Table 4.17 Details of Waste Disposal for Contract no. HY/2009/15

Waste Type

Quantity this quarter

Cumulative Quantity-to-Date

Disposal / Dumping Grounds

Inert C&D materials disposed, m3

NIL

NIL

N/A

Inert C&D materials recycled, m3

NIL

NIL

N/A

Non-inert C&D materials disposed, m3

NIL

NIL

N/A

Non-inert C&D materials recycled, m3

NIL

NIL

N/A

Chemical waste disposed, kg

NIL

NIL

N/A

Marine Sediment (Type 1  Open Sea Disposal) , m3

NIL

NIL

N/A

Marine Sediment (Type 1  Open Sea Disposal (Dedicate Sites) & Type 2  Confined Marine Disposal) , m3

12,390

(Bulk Volume)

12,390

(Bulk Volume)

East of Sha Chau

 

4.5.8.        There were marine sediment Type 1  Open Sea Disposal (Dedicate Sites) & Type 2  Confined Marine Disposal marine sediment disposed from the maintenance dredging works at PMA, TCBR2 and TCBR3 for mooring and anchorage rearrangement in the reporting period.

4.5.9.        The dredging rate for the maintenance dredging should be same as or less than that stipulated in EP-356/2009 within the Temporary Causeway Bay Reclamation (TCBR) marine work zone. Thus, the maximum dredging rate, 1,290 m3 per day in the November 2010 is complied with the recommended maximum dredging rate, 6000m3 as stipulated in EP-356/2009 within the marine zones at TCBR.

 

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

4.1.7.        Four limit level exceedances were recorded at Victoria Centre on 31 August and 21 September 2010 and at City garden on 10 and 16 November 2010. All exceedances at Victoria Centre were investigated and found not attributed to the project works as major noise source was obtained from the Island Eastern Corridor. Besides, the exceedances recorded at City Garden were caused by the excavation and breaking works next to the monitoring station It was concluded that the exceedances were not due to the project.

5.1.1.        Ten limit level exceedances were recorded at station M1a on 31 August, 7 and 14 September 5, 16, 19 and 26 October and 4, 10 and 16 November 2010 during construction works at evening time for Contract no. HK/2009/02 in reporting quarter. Major noise source was contributed from Tonnochy Road and water sport competition at Wan Chai Training Swimming Pool. The dredging work was complied with the conditions under valid Construction Noise Permit no. GW-RS0132-10 and GW-RS0777-10 during the measurement. The exceedances were concluded that the exceedances were not due to the project.

5.2.               Real-time Noise Monitoring

5.2.1.        Real-time noise monitoring at FEHD Hong Kong Transport Section Whitefield Depot and Oil Street Community Centre have been commenced on 5 October 2010 for the filling works of Contract no. HY/2009/11. Discontinuous limit level exceedances were recorded at these two stations during the restricted hour. Investigation found that exceedances were not related to the Project.

5.3.               Air Monitoring

5.3.1.        No exceedance was recorded in the reporting quarter.

5.4.               Water Quality Monitoring

5.4.1.        The summary of water quality exceedances recorded in reporting quarter is presented in the Table 5.1.

Table 5.1  Summary of Water Quality Exceedances in the reporting Quarter

Contract no.

Water Monitoring Station

Mid-flood

Mid-ebb

DO

Turbidity

SS

DO

Turbidity

SS

AL

LL

AL

LL

AL

LL

AL

LL

AL

LL

AL

LL

HY/2009/11

WSD9

0

0

0

0

0

0

1

0

0

0

0

0

 

WSD10

0

0

0

0

1

0

1

0

0

0

0

0

 

WSD15

0

0

0

0

1

0

0

1

0

0

0

3

 

WSD17

0

0

0

3

1

5

3

0

0

1

1

3

 

C8

1

0

3

5

8

0

1

0

3

6

5

5

 

C9

0

0

1

3

6

1

1

0

4

3

9

1

HK/2009/01

WSD19

0

0

1

0

0

2

0

1

3

2

3

1

 

WSD20

0

0

3

3

2

4

1

0

1

5

1

5

 

WSD7

0

0

1

1

1

2

1

1

0

0

1

1

 

C1

0

0

0

0

0

0

0

0

0

0

0

0

 

C2

0

0

0

0

1

0

0

0

0

0

0

0

 

C3

0

0

0

0

5

0

0

0

1

3

3

1

 

C4e

0

0

1

0

1

1

0

0

0

1

1

1

 

C4w

0

0

0

0

1

0

0

0

1

0

2

0

HK/2009/02

C5e

0

0

0

0

0

0

0

0

0

0

0

0

 

C5w

0

0

0

0

0

0

0

0

0

1

2

1

 

WSD21

1

0

2

0

0

3

1

0

2

0

3

3

HY/2009/15

C6

0

0

0

0

0

0

0

0

0

0

0

0

 

C7

0

0

0

0

0

0

0

0

0

0

0

0

Total

2

0

12

15

28

18

10

3

15

21

31

25

5.4.2.        Since all exceedances recorded were not project-related, follow-up mitigation measures were therefore not required.

5.5.               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 quarter, minor deficiencies were noted. However, the Contractor rectified all deficiencies after receipt of notification.

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

5.6.1.        No project-related non-compliance from monitoring was recorded in the reporting period.

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

5.7.1.        There was no particular action taken since no project-related non-compliance was recorded from the site audits and environmental monitoring in the reporting period.

 

6.     Complaints, Notification of Summons and Prosecution

6.0.1.        There were two environmental complaints were received on 8 and 10 November 2010 in the reporting quarter.

6.0.2.        The visual complaints dated 8 November 2010 was regarding the floating refuse around the seaside silt screen outside the WSD freshwater intake pump at Sai Wan Ho (Water Monitoring Station ref. WSD15). Follow-up action had been immediately carried out to check and clear the floating refuse around the seaside silt screen after receipt of the complaint. Removal of seaside silt screen outside the WSD freshwater intake (WSD15) by contractor HY/2009/11 was checked and confirmed dated 9 November 2010.

6.0.3.        The other noise complaint dated 10 November 2010 was received from the Harbour Height Management Office. Their resident complained on the noise nuisance generated from the power mechanical equipment during the period from 0700 to 2200.  Investigation found that the PME used in restricted hours were checked and confirmed compliant with the valid CNP no. GW-RS0870-10. No exceedance was recorded during the impact noise monitoring at the nearest noise monitoring station at Victoria Centre on 4 and 10 November 2010, The complaint was considered not valid from the CNP and EP point of view. The details of cumulative complaint log and summary of complaints are presented in Appendix 6.1.

6.0.4.        No notification of summons or prosecution was received in the reporting period. 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

Sep - Nov 2010

2

Project-to-Date

7

 

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, Central-WanChai Bypass and Island Eastern Corridor Link projects.

7.0.2.        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 the dredging and filling works at North Point Reclamation Shoreline Subzone (NPR2E) and (NPR1) respectively, the dredging and rock-filling at Wan Chai Reclamation Shoreline Subzone (WCR1) and dredging at HKCEC1 and cross-harbour water mains in the reporting quarter The major environmental impact was water quality impact at North Point and Wan Chai.

7.0.3.        The major environmental impacts generated from the Central Reclamation Phase III were located along the coastline of Central and Admiralty while dredging works at NPR2E, WCR1, HKCEC1 and cross-harbour water mains were in operation in this reporting quarter. Since no Project-related exceedance was recorded from the Project in the reporting quarter, it is evaluated that the cumulative construction impact from the concurrent projects including Wan Chai Development Phase II and Central Reclamation Phase III 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.

8.0.2.        No project-related exceedance, non-compliances were noted and no prosecutions were received during the reporting quarter.

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