Contract No:
HK/2009/05 Wanchai Development Phase II and 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, Fep-04/356/2009 and fep-05/356/2009 Quarterly
Environmental Monitoring
and Audit Report
- March to may 2011 -
|
CLIENTS: |
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Civil Engineering and
Development Department and Highways Department |
Lam Geotechnics Limited 11/F Centre Point Wanchai,
H.K. Telephone: (852) 2882-3939 Facsimile: (852) 2882-3331 E-mail: info@lamenviro.com Website: http://www.lamenviro.com |
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CHECKED
by: |
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                         Raymond Dai Environmental Team Leader |
|
DATE: |
|
17 August 2011 |
1.1    Scope of the Report
1.2    Structure of the Report
2.   Project Background
2.1    Background
2.2    Scope
of the Project and Site Description
2.3    Division of the Project
Responsibility
2.4    Project Organization and Contact
Personnel
2.5    Principle
Work and Activities
3.   Monitoring Requirements
3.1.    Noise Monitoring
3.2.    Air Monitoring
3.3.    Water Quality Monitoring
4.   Monitoring Results
4.1.    Noise Monitoring Results
4.2.    Real Time Noise Monitoring Results
4.3.    Air Monitoring Results
4.4.    Water Monitoring Results
4.5.    Waste Monitoring Results
5.1.    Noise Monitoring
5.2.    Real-time Noise Monitoring
5.3.    Air Monitoring
5.4.    Water Quality Monitoring
5.5.    Site Audit
5.6.    Review
of the Reasons for and the Implications of Non-compliance
5.7.    Summary
of action taken in the event of and follow-up on non-compliance
6.   Complaints, Notification
of Summons and Prosecution
7.   Cumulative Construction
Impact due to the Concurrent Projects.
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 IV       Principle Work Activities for Contract no.
HY/2009/15
Table V       Principle Work Activities for Contract no.
HK/2010/06
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 2.7      Principle Work Activities for Contract no.
HY/2009/15
Table 2.8      Principle Work Activities for Contract no.
HK/2010/06
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 3.6      Marine Water
Quality Stations for Enhanced Water Quality Monitoring
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.
HK/2010/06
Table 4.13     Water Monitoring Stations for Contract no.
HY/2009/15
Table 4.14
    Summary of Water Quality Monitoring
Exceedances in Reporting Quarter
Table 4.15    Details of Waste Disposal for Contract no.
HY/2009/11
Table 4.16    Details of Waste Disposal for Contract no.
HK/2009/01
Table 4.17    Details of Waste Disposal for Contract no.
HK/2009/02
Table 4.18    Details of Waste Disposal for Contract no.
HY/2009/15
Table 4.19    Details of Waste Disposal for Contract no.
HK/2010/06
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 3.2   Report
of Review Baseline Noise Level
Appendix 3.3   Report
on Noise Level Review for Real-time Noise Monitoring during Night Time
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
Construction Activities for the Reported
Period
Table I     Principle Work Activities for Contract no. HY/2009/11
March 2011 |
April 2011 |
May 2011 |
Dredging works; Reclamation works, Construction & installation of Seawall
Block; and Drainage Construction works |
Dredging
works;
Reclamation
works;
Concreting;
Slotted
panel fixing; and
Drainage
Construction works. |
Reclamation
works;
Concreting;
Slotted
panel fixing;
Drainage
Construction works;
Construction
& installation of Seawall Block;
Construction
of coping and outfall construction works; and 
Installation
of Caisson Seawall.  /span> |
Table II    Principle Work Activities for Contract no. HK/2009/01
March 2011 |
April 2011 |
May 2011 |
Dredging of marine sediments for the open cut
trench of cross harbour water mains and final trimming for pipe trench (From
CHA 450 to 970); Removal of existing rock-fill material at west
side sloping seawall of HKCEC extension for trench dredging of cross harbour
water mains; Excavation and installation of shoring system
for pipe laying work at Wan Chai (Zone A2-2); For transplanting 29 nos. of trees at Tsim Sha
Tsui Salisbury Garden (South Portion) and 7 nos. of trees at along Expo Drive
(for jetty access construction), transplanting of 11 more tress at Tsim Sha
Tsui Salisbury (North Portion) shall either be transplanted or felled prior
to the pipe laying work as per the updated pipe layout; Pipe laying at TST was commenced on early
February and trench excavation; After receiving the latest as-built information
from WSD, trial pit excavation for Wan Chai connection points at Routine maintenance and clearance works for
silt screens; Coring works (Stage 1: 42 nos. under 350mm
diameter openings) at Pump House P1, P3, P4, and P5; Installation of cooling main pipelines at HKCEC
VIP Drop-Off Area (Zone B1-1) and reinstatement works; Installation of cooling main pipelines at Installation of cooling main pipelines at HKCEC
West Wing (Zone B1-2) is on-going (approx. 140m pipe length completed).
Portion of area A were reinstated and cleared on 18 Mar. 2011; Due to construction of SCL works, trial trench
construction for temporary diversion of Excavation for connection points for Shui On (AE
& BE) at Installation of another 6 pipe piles; Demolition of staging platform; and Removal of rock armour along north |
Reclamation within HKCEC Water Channel had been
commenced by using mud barge and 6-in-1 barge for fill deposition; Trial run of conveyor belt system; Removal of armour at North Bank of HKCEC Water
Channel between a) CH0 and CH40; and b) Ch100 and CH160; Construction of jetty at Dredging and trimming works for pipe trench had
been completed except those within the MTR Protection Boundary; Armour removal at existing seawall near the
Expo Promenade; Demolition of the existing seawall near the
Expo Promenade; Pipe laying works of DN900 cooling watermains
near the HKCEC West Wing Drop-Off Area; Pipe laying works of 2 nos. DN900 cooling water
discharge pipes of Transplant works along Hoarding installation works for enclosing work
area near the Expo Promenade; Excavation for proposed tee-off connection
between cooling mains intake pipe of Government Towers and the existing
system at junction of Fleming Road and Convention Avenue; Pipe laying works at Tee-off connections for both cooling mains
intake pipe and discharge pipe of Shui On Centre; Tee-off connections for both cooling mains
intake pipe and discharge pipe of HKAPA; Trial pit excavation works near the existing
seawall facing the InterContinental Hotel at Tsim Sha Tsui for determining
the locations of both the proposed valve chamber and thrust blocks near
CHA/CHE and CHB/CHF interfaces; Trench excavation for a 1000 dia. watermains
(CHE) at Demolition of temporary steel staging for Pipe
Pile Wall P1 construction; and Demolition of the existing Promenade Deck at
the junction between |
 -
All dredging works for HKCEC1 reclamation;  -
HKCEC Water Channel for the reclamation of HKCEC1;  -
Demolition of the existing seawall at VIP Drop-off
Area for Cross-Harbour Watermains installation;  -
Installation of Cross-Harbour Water Mains nos. A1
& B1;  -
Dredging within the MTR Protection Boundary for the
installation of Cross-Harbor Watermains nos. A2 & B2;  -
Platform erection for crawler crane mobilization near
the existing seawall at  -
Tee-off connection between cooling mains intake pipe
of  -
Trench excavation for proposed pipe laying works in  -
Proposed drainage works at VIP Drop-off Area near
HKCEC West;  -
Temporary diversion of 2 nos. DN900 cooling water
discharge pipes of  -
Trench excavation for a 1000 dia. watermains at  -
Demolition of the existing Promenade Deck at the
junction between  -
Pre-drilling works for the proposed SCL D-Wall;  -
Infilling concrete wall between the return wall
(replacing the original PQ31 to PQ34) and the existing seawall at North Bank
of HKCEC Channel; and  -
Infilling concrete wall between PQ1 and the existing
seawall at the junction between |
Table III    Principle Work Activities for Contract no. HK/2009/02
March 2011 |
April 2011 |
May 2011 |
No sorted fill produce at Tseung Kwan O public
fill sorting facility; Finishing works and remedial works for new
public toilet was completed; Internal decoration for new public toilet was
commenced; External decoration for new public toilet was
commenced; Partial demolition of existing ferry pier at Existing jetty pier at Preparation works for seawall modification at Modification of existing seawall at Excavation at 24m cooling water mains was laid at Sun Hung Kai tee connection was carried out; Driving remaining sheet-piles for excavation
and lateral support at WSD Salt Water Pumping Station was completed; Curtain grout works at WSD Salt Water Pumping
Station was carried out; Excavation and lateral support; Driving sheet-piles at Dredging for submarine outfall pipe was
ongoing; Installation of T6 & T7 seawall blocks was
commenced; Curtain grout for jacking pit at ex-pet garden
was carried out; Excavation and lateral support for jacking pit
at ex-pet garden was commenced Tunnel bored pile works; Guide wall for diaphragm wall construction; Establishment of desander and silo for
diaphragm wall construction was commenced; Pre-drilling of bored pile and diaphragm wall; 1800 diameter drainage diversion was completed;
and Road work for |
Tseung Kwan O public fill sorting facility
1980m3 sorted fill produced;. E&M works, internal and external
decorations for new public toilet; Trial pits of tee connection for new public
toilet  /span>Tee
connection for new public toilet permanent water supply Lift shaft for new passenger terminal building; Water tank for new passenger terminal building; Foam concrete for new passenger terminal
building; Ground floor slab for new passenger terminal
building; Modification of existing finger pier decking; Modification of existing seawall; Approximate 22m cooling water mains was laid at
Gate valve chamber at Harbour Centre; Modification of existing connection chamber at
Harbour Centre; Trench excavation at Excavation and lateral support for WSD Salt
Water Pumping Station at Driving sheet-piles at Dredging for submarine outfall pipe; Approximate 120m HDPE pipe was laid; Connection chamber at DSD Screening Plant, base
slab and kicker was concreted; Excavation and lateral support for jacking pit
at ex-pet garden; Excavation and lateral support for WSD &
DSD receiving pits; Reclamation at WCR1; Stage 2 marine ground investigation works; Marine piling works for new ferry pier; Installation of instrumentation at WCR1 area; Tunnel bored pile works was ongoing. 9 out of
29 bored piles in WCR1 area; Guide wall construction for diaphragm wall
construction was ongoing. Approximate 150m out of 350m guide wall in WCR1
Area; Pre-treatment for diaphragm wall construction;
Approximate 66m out of 350m pre-treatment works; Establishment of desander and silo for
diaphragm wall construction; and 132kV cable hanger for Box Culvert “O 
diversion |
Tseung Kwan O public fill
sorting facility
Internal decoration,
external decoration, E&M works and power on for new public toilet;
Laying and connecting water
and drainage pipe;
Disable ramp for new public
toilet
Foam concrete for new
passenger terminal building
Ground floor slab for new
passenger terminal building
Modification of existing
finger pier deck and tree pits
Installation of precast
manholes and pillar boxes
The relocated tour ferry
pontoon was reinstated;
Modification of existing
seawall;
A thrust block was cast at
Approximate
Trench excavation at
Excavation and lateral
support for WSD Salt Water Pumping Station at
Temporary Traffic Deck at
Wan
Dredging for submarine
outfall pipe;
Approximate
Connection chamber at DSD
Screening Plant, modification of strutting and wall pour ;
Excavation and lateral
support for jacking pit at ex-pet garden;
Blinding layer for jacking
pit at ex-pet garden was cast;
Excavation and lateral
support for WSD & DSD receiving pits;
Marine piling works for new
ferry pier was ongoing. 21 out of 83 nos marine piles was completed as of 20
May 2011;
Remedial works for Eastern
Temporary Seawall;
Tunnel bored pile works in
WCR1;
Diaphragm wall
construction; and
Guide wall construction and
pre-treatment for diaphragm wall in WCR1 Area |
Table IV    Principle
Work Activities for Contract no. HY/2009/15
March 2011 |
April 2011 |
May 2011 |
Rock removal at TS4 and TPCWA; Seawall block construction at TS1 and TPCWAE; Night time protection works at CHT; Ground investigation and trial pit excavation;
and Drainage works at PRE office |
Rock removal at TS4; Seawall block construction at TS4 and TPCWAE; Filling work at TS1 and TPCWAE;  nbsp;
Access formation at TS1; Night time protection works at CHT; and Trial trench work at  /span> |
 - Seawall block construction at TS4;  - Filling work at TS1 and TPCWAE;  - Access formation at TS1;  - Grouting works at Abutment A;  - Night time protection works at CHT;
and  - Trial trench work at |
Table V    Principle
Work Activities for Contract no. HK/2010/06
March 2011 |
April 2011 |
May 2011 |
Installation of Silt Curtain for Dredging
Works; Dredging over the MTR Tsuen Wan Line; and Pre-construction Condition Survey inside MTR
tunnel |
Dredging over the MTR Tsuen Wan Line; Disposal of Type 1 and Type 2 Sediment; and Site Hoarding Erection at Fenwick Pier |
 - Dredging over
the MTR Tsuen Wan Line;  - Disposal of Type
1 and Type 2 Sediment;  - Mobilization of
Piling and Staging Works; and  - Erection of
Staging Platform |
Noise Monitoring
Eleven limit level exceedances at M1a on 15 and 24 and 30 March, 7, 12, 19 and 27 April, 4,
11, 17 and 24 May 2011 during the evening time period;
and
One action level exceedance was recorded due to the receipt of noise complaint
from the resident of Victoria Centre on 19 and 20 April 11 at
mid-night. Since there was no construction works undertaken under the
EP-356/2009 during the concern time period, it is considered as invalid
complaint under this Project.
Real-time Noise Monitoring
Air Quality Monitoring
Water Quality Monitoring
Complaints, Notifications of Summons and
Successful Prosecutions
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, FEP-04/356/2009 and FEP-05/356/2009 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 February to 27th May 2011.
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
2.1.1.
“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
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
2.2.1.
The Project is
located mainly in Wan Chai North,
2.2.2.
The study area
encompasses existing developments along the Wan Chai,
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 |
2.3.1.
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. HK/2010/06 - Wan Chai
Development Phase II-Central-Wan Chai Bypass over MTR Tsuen Wan Line under the
Project was commenced on 22 March 2011. 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 |
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 |
HY/2009/15 |
Central-Wanchai Bypass  Tunnel ( |
DP3 |
10 November 2010 |
HK/2010/06 |
Wan Chai Development Phase II-Central-Wan Chai Bypass over MTR Tsuen
Wan Line |
DP3 |
22 March 2011 |
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 |
|
|
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 |
Mr. Lau Yee Ching |
9466 3918 |
|||
Construction Manager |
Mr. Jerry Siu |
9493 3664 |
|||
Construction Manager |
Mr. Ricky Lai |
9487 6549 |
|||
Construction Manager |
Mr. KK Yuen |
3498 1213 |
|||
Environmental Officer
(Compliance Manager) |
Mr. Andy Mak |
9103 2370 |
|||
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 Manager |
Mr. C.P. Ho |
3658-3000 |
|||
Environmental Officer |
Ms. Flora Ng |
3658-3064 |
|||
|
Contractor under Contract no. HY/2009/15 |
Project Manager |
Mr. M Y Wong |
2823 7879 |
2528 5651 |
Site Agent |
Mr. Simon Tang |
3557 6358 |
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 |
Mr. Samuel Tsui |
3557 6347 |
|
Gammon -Leader JV |
Contractor under Contract no. HK/2010/06 |
Manager |
Mr. Simon Tong |
9124
2471 |
2529 2880 |
Site Agent |
Mr. Book Kin Man |
9193
8680 |
|||
Environmental Officer |
Mr. Lee Wai Man |
9481 6024 |
|||
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 |
2.5.1.
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
March 2011 |
April 2011 |
May 2011 |
Dredging
works;
Reclamation
works,
Construction
& installation of Seawall Block; and
Drainage
Construction works |
Dredging works; Reclamation works; Concreting; Slotted panel fixing; and Drainage Construction works. |
Reclamation works; Concreting; Slotted panel fixing; Drainage Construction works; Construction & installation of Seawall
Block; Construction of coping and outfall construction
works; and  Installation of Caisson Seawall.  /span> |
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
March 2011 |
April 2011 |
May 2011 |
Dredging
of marine sediments for the open cut trench of cross harbour water mains and
final trimming for pipe trench (From CHA 450 to 970);
Removal
of existing rock-fill material at west side sloping seawall of HKCEC
extension for trench dredging of cross harbour water mains;
Excavation
and installation of shoring system for pipe laying work at Wan Chai (Zone
A2-2);
For
transplanting 29 nos. of trees at Tsim Sha Tsui Salisbury Garden (South
Portion) and 7 nos. of trees at along Expo Drive (for jetty access
construction), transplanting of 11 more tress at Tsim Sha Tsui Salisbury
(North Portion) shall either be transplanted or felled prior to the pipe
laying work as per the updated pipe layout;
Pipe
laying at TST was commenced on early February and trench excavation;
After
receiving the latest as-built information from WSD, trial pit excavation for
Wan Chai connection points at
Routine
maintenance and clearance works for silt screens;
Coring
works (Stage 1: 42 nos. under 350mm diameter openings) at Pump House P1, P3,
P4, and P5;
Installation
of cooling main pipelines at HKCEC VIP Drop-Off Area (Zone B1-1) and
reinstatement works;
Installation
of cooling main pipelines at
Installation
of cooling main pipelines at HKCEC West Wing (Zone B1-2) is on-going (approx.
140m pipe length completed). Portion of area A were reinstated and cleared on
18 Mar. 2011;
Due
to construction of SCL works, trial trench construction for temporary
diversion of
Excavation for connection points for Shui On (AE
& BE) at
Installation
of another 6 pipe piles;
Demolition
of staging platform; and
Removal
of rock armour along north |
Reclamation within HKCEC Water Channel had been
commenced by using mud barge and 6-in-1 barge for fill deposition;
Trial
run of conveyor belt system;
Removal
of armour at North Bank of HKCEC Water Channel between a) CH0 and CH40; and
b) Ch100 and CH160;
Construction
of jetty at
Dredging
and trimming works for pipe trench had been completed except those within the
MTR Protection Boundary;
Armour
removal at existing seawall near the Expo Promenade;
Demolition
of the existing seawall near the Expo Promenade;
Pipe
laying works of DN900 cooling watermains near the HKCEC West Wing Drop-Off
Area;
Pipe
laying works of 2 nos. DN900 cooling water discharge pipes of
Transplant
works along
Hoarding
installation works for enclosing work area near the Expo Promenade;
Excavation
for proposed tee-off connection between cooling mains intake pipe of
Government Towers and the existing system at junction of Fleming Road and
Convention Avenue;
Pipe
laying works at
Tee-off
connections for both cooling mains intake pipe and discharge pipe of Shui On
Centre;
Tee-off
connections for both cooling mains intake pipe and discharge pipe of HKAPA;
Trial
pit excavation works near the existing seawall facing the InterContinental
Hotel at Tsim Sha Tsui for determining the locations of both the proposed
valve chamber and thrust blocks near CHA/CHE and CHB/CHF interfaces;
Trench
excavation for a 1000 dia. watermains (CHE) at
Demolition
of temporary steel staging for Pipe Pile Wall P1 construction; and
Demolition
of the existing Promenade Deck at the junction between |
 - All dredging works for
HKCEC1 reclamation;  - HKCEC Water Channel for the
reclamation of HKCEC1;  - Demolition of the existing
seawall at VIP Drop-off Area for Cross-Harbour Watermains installation;  - Installation of
Cross-Harbour Water Mains nos. A1 & B1;  - Dredging within the MTR
Protection Boundary for the installation of Cross-Harbor Watermains nos. A2
& B2;  - Platform erection for
crawler crane mobilization near the existing seawall at  - Tee-off connection between
cooling mains intake pipe of  - Trench excavation for
proposed pipe laying works in  - Proposed drainage works at
VIP Drop-off Area near HKCEC West;  - Temporary diversion of 2
nos. DN900 cooling water discharge pipes of  - Trench excavation for a
1000 dia. watermains at  - Demolition of the existing
Promenade Deck at the junction between  - Pre-drilling works for the
proposed SCL D-Wall;  - Infilling concrete wall
between the return wall (replacing the original PQ31 to PQ34) and the
existing seawall at North Bank of HKCEC Channel; and  - Infilling concrete wall
between PQ1 and the existing seawall at the junction between |
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
March 2011 |
April 2011 |
May 2011 |
No
sorted fill produce at Tseung Kwan O public fill sorting facility;
Finishing
works and remedial works for new public toilet was completed;
Internal
decoration for new public toilet was commenced;
External
decoration for new public toilet was commenced;
Partial
demolition of existing ferry pier at
Existing
jetty pier at
Preparation
works for seawall modification at
Modification
of existing seawall at
Excavation
at
24m
cooling water mains was laid at
Sun
Hung Kai tee connection was carried out;
Driving
remaining sheet-piles for excavation and lateral support at WSD Salt Water
Pumping Station was completed;
Curtain
grout works at WSD Salt Water Pumping Station was carried out;
Excavation
and lateral support;
Driving
sheet-piles at
Dredging
for submarine outfall pipe was ongoing;
Installation
of T6 & T7 seawall blocks was commenced;
Curtain
grout for jacking pit at ex-pet garden was carried out;
Excavation
and lateral support for jacking pit at ex-pet garden was commenced
Tunnel
bored pile works;
Guide
wall for diaphragm wall construction;
Establishment
of desander and silo for diaphragm wall construction was commenced;
Pre-drilling
of bored pile and diaphragm wall;
1800
diameter drainage diversion was completed; and
Road
work for |
Tseung
Kwan O public fill sorting facility 1980m3 sorted fill produced;.
E&M
works, internal and external decorations for new public toilet;
Trial
pits of tee connection for new public toilet
 /span>Tee connection for new public toilet
permanent water supply
Lift shaft for new passenger terminal building;
Water
tank for new passenger terminal building;
Foam
concrete for new passenger terminal building;
Ground
floor slab for new passenger terminal building;
Modification
of existing finger pier decking;
Modification
of existing seawall;
Approximate
22m cooling water mains was laid at
Gate
valve chamber at Harbour Centre;
Modification
of existing connection chamber at Harbour Centre;
Trench
excavation at
Excavation
and lateral support for WSD Salt Water Pumping Station at
Driving
sheet-piles at
Dredging
for submarine outfall pipe;
Approximate
120m HDPE pipe was laid;
Connection
chamber at DSD Screening Plant, base slab and kicker was concreted;
Excavation
and lateral support for jacking pit at ex-pet garden;
Excavation
and lateral support for WSD & DSD receiving pits;
Reclamation
at WCR1;
Stage
2 marine ground investigation works;
Marine
piling works for new ferry pier;
Installation
of instrumentation at WCR1 area;
Tunnel
bored pile works was ongoing. 9 out of 29 bored piles in WCR1 area;
Guide
wall construction for diaphragm wall construction was ongoing. Approximate
150m out of 350m guide wall in WCR1 Area;
Pre-treatment
for diaphragm wall construction; Approximate 66m out of 350m pre-treatment
works;
Establishment
of desander and silo for diaphragm wall construction; and
132kV
cable hanger for Box Culvert “O diversion |
Tseung Kwan O public fill sorting facility Internal decoration, external decoration, E&M works and power on
for new public toilet; Laying and connecting water and drainage pipe; Disable ramp for new public toilet Foam concrete for new passenger terminal building Ground floor slab for new passenger terminal building Modification of existing finger pier deck and tree pits Installation of precast manholes and pillar boxes The relocated tour ferry pontoon was reinstated; Modification of existing seawall; A thrust block was cast at Approximate Trench excavation at Excavation and lateral support for WSD Salt Water Pumping Station at Temporary Traffic Deck at Wan Dredging for submarine outfall pipe; Approximate Connection chamber at DSD Screening Plant, modification of strutting
and wall pour ; Excavation and lateral support for jacking pit at ex-pet garden; Blinding layer for jacking pit at ex-pet garden was cast; Excavation and lateral support for WSD & DSD receiving pits; Marine piling works for new ferry pier was ongoing. 21 out of 83 nos
marine piles was completed as of 20 May 2011; Remedial works for Eastern Temporary Seawall; Tunnel bored pile works in WCR1; Diaphragm wall construction; and Guide wall construction and pre-treatment for diaphragm wall in WCR1
Area |
2.5.4.
Major construction activities for Contract no. HY/2009/15 was commenced
on 10 November 2010. During this reporting period, the principle work
activities for Contract no. HY/2009/15 are summarized as below:
Table 2.7
  Principle Work Activities for Contract
no. HY/2009/15
March 2011 |
April 2011 |
May 2011 |
Rock
removal at TS4 and TPCWA;
Seawall
block construction at TS1 and TPCWAE;
Night
time protection works at CHT;
Ground
investigation and trial pit excavation; and
Drainage
works at PRE office |
Rock
removal at TS4;
Seawall
block construction at TS4 and TPCWAE;
Filling
work at TS1 and TPCWAE;
 nbsp;
Access formation at TS1;
Night
time protection works at CHT; and
Trial
trench work at  /span> |
 - Seawall block construction at TS4;  - Filling work at TS1 and TPCWAE;  - Access formation at TS1;  - Grouting works at Abutment A;  - Night time protection works at CHT;
and  - Trial trench work at |
2.5.5.
Contract no. HK/2010/06
was commenced on 22 March 2011. During this reporting period, the principle work
activities for Contract no. HK/2010/06 are summarized as below:
Table 2.8
  Principle Work Activities for Contract
no. HK/2010/06
March 2011 |
April 2011 |
May 2011 |
Installation
of Silt Curtain for Dredging Works;
Dredging
over the MTR Tsuen Wan Line; and
Pre-construction
Condition Survey inside MTR tunnel |
Dredging
over the MTR Tsuen Wan Line;
Disposal
of Type 1 and Type 2 Sediment; and
Site
Hoarding Erection at Fenwick Pier |
 -
Dredging over the MTR Tsuen Wan Line;  -
Disposal of Type 1 and Type 2 Sediment;  -
Mobilization of Piling and Staging Works; and  -
Erection of Staging Platform |
2.5.6.
Implementation
status of the recommended mitigation measures during this reporting period is
presented in Appendix 2.1.
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 |
|
M6 |
HK |
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.
3.1.6.
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.
3.1.7.
Noise baseline
level review was commenced in this reporting period. Detailed review report
showed in Appendix 3.2.
3.1.8.
Real time noise
baseline level review at night time period (2300 to 0700) was commenced in this
reporting period. Detailed review report showed in Appendix 3.3.
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 |
|
|
CMA3a |
CWB PRE Site Office * |
|
CMA4a |
Society for the Prevention of
Cruelty to Animals |
Wan Chai |
CMA5a |
Children Playgrounds opposite to |
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.
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.
3.3.1.
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
Table
3.4   Marine
Water Quality Stations for Water Quality Monitoring
Station Ref. |
Location |
Easting |
Northing |
WSD Salt
Water Intake |
|||
WSD7 |
|
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 |
|
839790.3 |
817032.2 |
WSD19 |
Sheung Wan |
833415.0 |
816771.0 |
WSD20 |
|
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 |
835932.8 |
815888.2 |
C4w |
Wan |
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 |
|
837193.7 |
816150.0 |
C8 |
|
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 |
|
837245.2 |
816156.6 |
Remarks: -   Considering the absence of intake pump operation at
Windsor House intake (C7), this sensitive receiver was apparently not exist
during this period so that no water quality monitoring at C7 for compliance
checking was undertaken in this reporting quarter.
- 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.
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.
Enhanced Water Quality
Monitoring in the ex-Wan Chai Public Cargo
Working Area and the
3.3.6.
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.
3.3.7.
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 3.6 and Figure 3.1.
Table
3.6   Marine Water Quality Stations for Enhanced
Water Quality Monitoring
Station |
Location |
C6 |
Excelsior Hotel |
C7 |
|
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 |
3.3.8.
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
3.3.9.
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.
3.3.10.
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 sahll be downloaded daily and
compared with the Action and Limit level determined during the baseline water
qualtiy monitoring at the cooling water intake locations.
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).
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 |
|
4.1.2.
One
action level exceedance was recorded due to the receipt of noise complaint from
the resident of Victoria Centre on 19 and 20 April 2011 at mid-night. Since
there was no construction works undertaken under the EP-356/2009 during the
concern time period, it is considered as invalid complaint under this 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.
Eleven limit level exceedances at M1a on 15
and 24 and 30 March, 7, 12, 19 and 27 April, 4, 11, 17 and 24 May 2011 during construction works at evening time for Contract no. HK/2009/02 in
reporting quarter. Major noise source was contributed from
Contract
no. HY/2009/15 - Central-Wanchai Bypass  Tunnel (
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 |
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 filling 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 |
Remarks: Real time noise
monitoring results and graphical presentation during night time period are for
information only.
4.2.2.
Real time noise
monitoring results were reviewed and no project-related Action and Limit level
exceedance were recorded.
4.2.3.
Details of real
time noise monitoring results and graphical presentation can be referred to
Appendix 4.2
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 |
|
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
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 4.6 
below. No exceedance was recorded in the reporting period.
Table 4.6
  Air
Monitoring Stations
for Contract
no. HK/2009/01
Station |
Description |
CMA5a |
Children Playgrounds opposite to |
CMA6a |
WDII PRE Site Office * |
* Remarks: As per the ENPC
meeting in January 2011, the monitoring stations CMA6a - Future AECOM site
office at Work Area was renamed as remark.
Contract no. HK/2009/02 - Wan Chai Development
Phase II  Central  Wan Chai Bypass at WanChai East
4.3.4.
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
4.7 below. No exceedance was recorded in the reporting period.
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 (
4.3.5.
Air monitoring
was commenced on 15 March 2011 for the land filling work for Contract no.
HY/2009/15.  /span>The proposed division of air monitoring
stations are summarized in Table 4.8 below. No exceedance
was recorded in the reporting period.
Table 4.8
  Air
Monitoring Station for Contract no. HY/2009/15
Station |
Description |
CMA3a |
CWB site office at Wanchai
Waterfront Promenade |
Contract no. HY/2009/11  Central  Wanchai Bypass,
North Point Reclamation
4.4.1.
Water quality monitoring for Contract no. HY/2009/11 was
commenced on 19 March 2010. The proposed division of water monitoring stations
for Contract no. HY/2009/11 is 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 |
|
839790.3 |
817032.2 |
Cooling Water Intake |
|||
C8 |
|
837970.6 |
816957.3 |
C9 |
Provident Garden |
838355.0 |
817116.6 |
4.4.2.
Due to the
maintenance work of external wall at
Contract no. HK/2009/01 - Wan Chai Development
Phase II  Central –Wanchai Bypass at HKCEC
4.4.3.
Water quality monitoring for Contract no. HK/2009/01 was
commenced on 8 July 2010. The proposed division of water monitoring stations is
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 |
|
834150.0 |
818300.3 |
WSD19 |
Sheung Wan |
833415.0 |
816771.0 |
WSD20 |
|
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 |
835932.8 |
815888.2 |
C4w |
Wan |
835629.8 |
815889.2 |
Remarks:
The water
monitoring stations for the dredging works under Contract No. HK/2009/01 should
also include WSD9, WSD17, WSD 21 and C5 if water quality monitoring at these
locations have not been carried out by others. Similarly, the water monitoring
stations for the dredging works under Contract No. HK/2009/02 should also
include WSD7, WSD9, WSD17, WSD 19, C1, C2, C3 and C4 if water quality
monitoring at these locations have not been carried out by others.
Contract no. HK/2009/02 - Wan Chai Development Wan
Chai Development Phase II  Central  Wan Chai Bypass at WanChai East
4.4.4.
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 4.11 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 |
Remarks:
The water
monitoring stations for the dredging works under Contract No. HK/2009/01 should
also include WSD9, WSD17, WSD 21 and C5 if water quality monitoring at these
locations have not been carried out by others. Similarly, the water monitoring
stations for the dredging works under Contract No. HK/2009/02 should also
include WSD7, WSD9, WSD17, WSD 19, C1, C2, C3 and C4 if water quality
monitoring at these locations has not been carried out by others.
Contract no. HK/2010/06 - Wan Chai Development
Phase II  Central –Wanchai Bypass over MTR Tsuen Wan Line
4.4.5.
Water monitoring
for Contract no. HK/2010/06 was commenced on 8 March 2011. The proposed
division of water monitoring stations are summarized in Table 4.12 below.
Table
4.12 Water Monitoring Stations for Contract no. HK/2010/06
Station Ref. |
Location |
Easting |
Northing |
Cooling Water Intake |
|||
C2 |
Telecom House |
835647.9 |
815864.4 |
Contract no. HY/2009/15 -
Central-Wanchai Bypass  Tunnel (
4.4.6.
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 is
summarized in Table 4.13 below.
Table 4.13
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 |
|
837193.7 |
816150 |
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.
          -  Considering the
absence of intake pump operation at Windsor House intake (C7), this sensitive
receiver was apparently not exist during this period so that no water quality
monitoring at C7 for compliance checking was undertaken in this reporting quarter.
4.4.7.
The enhanced
water quality monitoring at C6, C7, Ex-WPCWA-SW and Ex-WPCWA-SE was commenced
on 13 January 2011. One dissolved oxygen level at Ex-WPCWA-SE on 25 May 2011
during mid-ebb was exceeded.
4.4.8.
As no dredging
of the sediment at the south-western corner of the Causeway Bay Typhoon Shelter
in reporting quarter, no daily monitoring of
suspended solids and 24 hours monitoring of turbidity
at the cooling water intakes at C6 and C7 were required.
4.4.9.
The maintenance
works and testing of flush water pump system at Windsor House intake (C7) have been
carried out in the reporting quarter. The silt screen at C7 was then removed on
15 February 2011 and then reinstated on 29 March 2011 to facilitate their
maintenance works as per the intake owner’s request. Considering the absence of intake pump
operation at Windsor House intake (C7), this sensitive receiver was apparently not exist during this period so that no
intake water quality monitoring at C7 for compliance checking was undertaken in
this reporting period.
4.4.10.
As per the meeting
with the representative of Excelsior Hotel and World Trade Centre on 17 May
2011, they confirmed that the seawater intake for The Excelsior was no longer
in use and replaced by the connected permanent water supply from WSD pipelines
since 11 January 2011. Thus, the impact water quality monitoring for the
cooling intake - C6 was terminated effective from 26 May 2011. 
4.4.11.
Water monitoring
results measured in this reporting period are reviewed and summarized in Table
4.14. Details of water quality
monitoring results and graphical presentation can be referred in
Appendix
4.3.
Table 4.14
Summary of Water Quality Monitoring Exceedances in Reporting Quarter
Contract no. |
Water Monitoring Station |
Mid-flood |
Mid-ebb |
||||||||||
DO |
Turbidity |
SS |
DO |
Turbidity |
SS |
||||||||
|
LL |
|
LL |
|
LL |
|
LL |
|
LL |
|
LL |
||
HY/2009/11 |
WSD9 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
WSD10 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
WSD15 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
0 |
0 |
2 |
|
WSD17 |
0 |
0 |
2 |
1 |
2 |
2 |
0 |
0 |
0 |
0 |
0 |
1 |
|
C8 |
0 |
0 |
1 |
4 |
3 |
1 |
0 |
0 |
0 |
5 |
3 |
0 |
|
C9 |
0 |
0 |
0 |
1 |
4 |
0 |
0 |
0 |
1 |
1 |
1 |
0 |
HK/2009/01 |
WSD19 |
0 |
0 |
0 |
0 |
1 |
2 |
0 |
0 |
3 |
0 |
4 |
3 |
|
WSD20 |
0 |
0 |
1 |
1 |
1 |
1 |
0 |
0 |
0 |
0 |
0 |
1 |
|
WSD7 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
0 |
|
C1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
|
C3 |
0 |
0 |
2 |
0 |
1 |
0 |
0 |
0 |
0 |
2 |
2 |
0 |
|
C4e |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
C4w |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
HK/2009/01 & HK/2010/06 |
C2 |
0 |
0 |
1 |
3 |
1 |
1 |
0 |
0 |
1 |
7 |
3 |
3 |
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 |
0 |
0 |
0 |
|
WSD21 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
1 |
0 |
HY/2009/15 |
C6 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
Total |
0 |
0 |
8 |
10 |
13 |
8 |
1 |
0 |
8 |
15 |
16 |
10 |
-   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.
          -  Considering the absence of intake pump
operation at Windsor House intake (C7), this sensitive receiver was apparently
not exist during this period so that no water quality monitoring at C7 for
compliance checking was undertaken in this reporting quarter.
4.4.12.
Most of exceedances have been investigated and were considered unlikely to be related to
project works. The exceedances of
turbidity and SS level at C3 recorded on 31 March and 18 April 2011 might
potentially relate to the filling operation and insufficient silt screen
maintenance. Apart from the exceedances record at C3 on 31 March and 18 April
2011, the SS and turbidity exceedances at C3 recorded on 5 and 7 May 2011 were
caused by silt screen defect and improper maintenance of deployed silt curtain
as identified during regular site inspections. In additional, the exceedances
at C3 on 16, 18 and 19 May 2011 were caused by improper control and management
of deployed silt curtain as identified during site inspections and monitoring. Water monitoring results measured
in this reporting period are reviewed and summarized. Details of graphical presentation can be
referred in Appendix
4.2.
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 4.15
Table 4.15 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, ton |
1.4 |
1.4 |
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 |
0 (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 |
3,900  /span>(Bulk
Volume) |
129,200  /span>(Bulk
Volume) |
East of Sha Chau |
4.5.2.
There was marine
sediment 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 below 500m3 per day in the reporting
quarter, which is complied with the criteria listed in Table 2 of FEP-01/356/2009.
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 4.16.
Table 4.16 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 |
2822.34 |
6,522.23 |
TKO137 |
Inert C&D materials recycled, m3 |
NIL |
NIL |
N/A |
Non-inert C&D materials disposed, m3 |
132.08 |
298.58 |
SENT Landfill |
Non-inert C&D materials recycled, kg |
63,410 |
78,088 |
N/A |
Chemical waste disposed, kg |
700 |
2,530 |
N/A |
Marine Sediment (Type 1  Open Sea Disposal) , m3 |
2,085  /span>(Bulk Volume) |
69,464.2 (Bulk Volume) |
South of Cheung Chau |
Marine Sediment (Type 1  Open Sea Disposal
(Dedicate Sites) & Type 2  Confined Marine Disposal) , m3 |
138.0 (Bulk Volume) |
12,599 (Bulk Volume) |
East of Cha Chau |
4.5.4.
There were
marine sediments Type 1  Open Sea Disposal disposed and Type 1  Open Sea Disposal (Dedicate Sites) & Type 2  
Confined Marine Disposal marine sediment in the reporting period. The
maximum dredging rate in Cross Harbour Water Mains marine work zone and HKCEC shoreline zone under Hong Kong
Convention Exhibition Centre (HKCEC) marine work zone are 572m3 and 138m3 per day
respectively, which were
complied with the recommended maximum dredging rate 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 4.17.
Table 4.17 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 |
6,527 |
11,523 |
TKO137 |
Inert C&D materials recycled, m3 |
NIL |
NIL |
N/A |
Non-inert C&D materials disposed, m3 |
40.3 |
104 |
SENT Landfill |
Non-inert C&D materials recycled, m3 |
NIL |
NIL |
N/A |
Chemical waste disposed, kg |
1,011 |
1,011 |
N/A |
Marine Sediment (Type 1  Open Sea Disposal), m3 |
Mar 2011: 11,147 |
101,511 (Bulk Volume) |
South of Cheung Chau |
Apr 2011: 1,563 |
|||
May 2011: 6,544 |
|||
*In this quarter: 19,254 (Bulk volume) |
|||
Marine Sediment (Type 1  Open Sea Disposal
(Dedicate Sites) & Type 2  Confined Marine Disposal), m3 |
3,429 (Bulk Volume) |
90,994 (Bulk Volume) |
East of Sha Chau |
*
Remarks: The cumulative quantity of disposed Type I sediment in April 2011 and
May 2011 were 94,967 m3 and 10,1511m3 in Monthly EM&A
Report for April 2011 and May 2011.
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 719m3
per day, which was complied with the recommended maximum dredging rate per day in
sub-marine pipeline work zone listed in Table 2 of FEP-03/356/2009.
Contract no. HY/2009/15 - Central-Wanchai
Bypass  Tunnel (
4.5.7.
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 4.18.
Table 4.18 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 |
0 |
3.5 |
Tuen Mun Area 38 |
Inert C&D materials recycled, m3 |
0 |
184.0 |
To Contract HY/2009/11 |
Non-inert C&D materials disposed, m3 |
9.2 |
39.4 |
SENT Landfill |
Non-inert C&D materials recycled, kg |
95 |
13,625 |
N/A |
Chemical waste disposed, kg |
NIL |
NIL |
N/A |
Marine Sediment (Type 1  Open Sea Disposal)
, m3 |
8,438 |
14,508 |
N/A |
Marine Sediment (Type 1  Open Sea Disposal
(Dedicate Sites) & Type 2  Confined Marine Disposal) , m3 |
11,925 (Bulk Volume) |
131,802  /span>(Bulk
Volume) |
East of Sha Chau |
Marine Sediment (Type 3  Special Treatment
/ Disposal contained in Geosynthetic Containers) |
0 |
2,750 (Bulk Volume) |
East of Sha Chau |
4.5.8.
Due to the late
notification of the Contractor on the quantities of disposed Type I sediment,
quantities from February 2011 to reporting quarter were included in Monthly
EM&A Report for June 2011.
4.5.9.
There were
marine sediments Type 1  Open Sea Disposal (Dedicate Sites) & Type 2  
Confined Marine Disposal marine disposed from the dredging works at TCBR and TPCWA in the reporting period at a maximum dredging rate 1,415m3
per day, which was complied with the recommended maximum dredging rate per day in
shoreline zone listed in Table 2 of FEP-04/356/2009.
Contract
no. HK/2010/06 - Wan Chai Development Phase II  Central –Wanchai Bypass over
MTR Tsuen Wan Line
4.5.10. No 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
4.19.
Table 4.19 Details
of Waste Disposal for Contract no. HK/2010/06
Waste Type |
Quantity this month |
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, kg |
NIL |
NIL |
N/A |
Chemical waste disposed, kg |
NIL |
NIL |
N/A |
Marine Sediment (Type 1  Open Sea Disposal), m3 |
2,338 (Bulk Volume) |
2,338 (Bulk Volume) |
South Cheung Chau |
Marine Sediment (Type 1  Open Sea Disposal (Dedicate
Sites) & Type 2  Confined Marine Disposal) , m3 |
9,998 (Bulk Volume) |
9,998 (Bulk Volume) |
|
4.5.11. There were marine sediment Type 1  Open Sea
Disposal (Dedicate Sites) & Type 2  Confined Marine Disposal marine
sediment disposed from the dredging works at TCBR1W. The maximum dredging rate,
548m3 per day which was complied with the recommended maximum
dredging rate as stipulated in FEP-05/356/2009 within the marine zones at TCBR.
5.0.1.
The Event Action
Plan for construction noise, air quality and water quality are presented in Appendix 5.1.
5.1.1
Eleven limit level exceedances at M1a on 15 and 24 and 30 March, 7, 12, 19 and 27
April, 4, 11, 17 and 24 May 2011 during construction works at
evening time for Contract no. HK/2009/02 in reporting quarter. Major noise
source was contributed from
5.1.2
One action level
exceedance was recorded due to
the receipt of noise complaint from the resident of Victoria Centre on 19 and
20 April 2011 at mid-night. Since there was no construction works undertaken
under the EP-356/2009 during the concern time period, it is considered as
invalid complaint under this Project.
5.2.1
No
project-related exceedance was recorded in the real-time noise results in
reporting quarter.
5.3.1.
No exceedance
was recorded in the reporting quarter.
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 Monitoring Exceedances in Reporting
Quarter
Contract
no. |
Water Monitoring Station |
Mid-flood |
Mid-ebb |
||||||||||
DO |
Turbidity |
SS |
DO |
Turbidity |
SS |
||||||||
|
LL |
|
LL |
|
LL |
|
LL |
|
LL |
|
LL |
||
HY/2009/11 |
WSD9 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
WSD10 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
WSD15 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
0 |
0 |
2 |
|
WSD17 |
0 |
0 |
2 |
1 |
2 |
2 |
0 |
0 |
0 |
0 |
0 |
1 |
|
C8 |
0 |
0 |
1 |
4 |
3 |
1 |
0 |
0 |
0 |
5 |
3 |
0 |
|
C9 |
0 |
0 |
0 |
1 |
4 |
0 |
0 |
0 |
1 |
1 |
1 |
0 |
HK/2009/01 |
WSD19 |
0 |
0 |
0 |
0 |
1 |
2 |
0 |
0 |
3 |
0 |
4 |
3 |
|
WSD20 |
0 |
0 |
1 |
1 |
1 |
1 |
0 |
0 |
0 |
0 |
0 |
1 |
|
WSD7 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
2 |
0 |
|
C1 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
|
C2 |
0 |
0 |
1 |
3 |
1 |
1 |
0 |
0 |
1 |
7 |
3 |
3 |
|
C3 |
0 |
0 |
2 |
0 |
1 |
0 |
0 |
0 |
0 |
2 |
2 |
0 |
|
C4e |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
|
C4w |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
0 |
HK/2009/01
& HK/2010/06 |
C2 |
0 |
0 |
1 |
3 |
1 |
1 |
0 |
0 |
1 |
7 |
3 |
3 |
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 |
0 |
0 |
0 |
|
WSD21 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
1 |
0 |
HY/2009/15 |
C6 |
0 |
0 |
0 |
0 |
0 |
0 |
1 |
0 |
0 |
0 |
0 |
0 |
Total |
0 |
0 |
8 |
10 |
13 |
8 |
1 |
0 |
8 |
15 |
16 |
10 |
Remarks: - It was not
included the exceedances recorded at C3 in the daily monitoring from 17 May to
27 May 2011.
-   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.
          -  Considering the absence of intake pump
operation at Windsor House intake (C7), this sensitive receiver was apparently
not exist during this period so that no water quality monitoring at C7 for
compliance checking was undertaken in this reporting quarter.
5.3.2.
Investigations
were found that the most of exceedances are not related to the Project works. The
exceedances of turbidity and SS level at C3 recorded on 31 March and 18 April
2011 might potentially relate to the filling operation and insufficient silt
screen maintenance.
5.3.3.
Apart
from the exceedances record at C3 on 31 March and 18 April 2011, the SS and
turbidity exceedances at C3 recorded on 5 and 7 May 2011 were caused by silt
screen defect and improper maintenance of deployed silt curtain as identified
during regular site inspections. In additional, the exceedances at C3 on 16, 18
and 19 May 2011 were caused by improper control and management of deployed silt
curtain as identified during site inspections and monitoring.
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.
 -
Muddy discharge from
unknown source generated from the existing Box Culvert N was considered to be
the major cause, possibly due to local discharge from unknown source at the
stormdrain upstream to Box Culvert N. Muddy boom was further dispersed by
current movement outside the government helipad.
 -
Localized mud plume emerged within the ex-Cargo
area was not properly enclosed by silt curtain producing some minor impact
around the breakwater at TPCWA.
 -
Defects found for the silt curtains deployed in
TPCWAE reduced the effectiveness of the silt curtain system.
5.4.3.
Contractor
of HY/2009/15 was urged to rectify the defects found for the silt curtains.
Further independent diver inspection on the silt curtain on 14 Apr 2011
confirmed the silt curtain was in proper condition. Silt curtain deployment
plan was subsequently revised to include specific details on the marine access
for TPCWAE. No further dispersion was observed after a week's operation and
this case was closed.
5.4.4.
 /span>Frequent muddy boom dispersion were
observed around the marine entrance to the TPCWA on 2, 5 & 6 April 2011,
resulting in escape of muddy boom through the marine access of the ex-Cargo
Area. Further investigation by ET revealed that escape of silt from the filling
area at TPCWA eventually lead to frequent dispersion of muddy boom by routine
towing action. Filling operation was immediately suspended by contractor of
HY/2009/15 for review of silt curtain and towing operation. Site trial towing
was conducted on 14 Apr 2011 and found that a reduced towing speed of 0.5
nautical miles per hour could control the dispersion of muddy boom within the
area enclosed by silt curtain. No further dispersion was observed after a
week's operation and this case was closed.
5.6.1.
There was no non-compliance from the site audits in
the reporting period.
5.6.2.
There
were exceedances of turbidity and/or SS level recorded at C3 on 5, 7, 16, 18 and
19 May 2011 that were considered in relation to the deployed silt screen and
silt curtain as identified during the site inspection and monitoring.
5.7.2.
When the exceedance was recorded during water
quality monitoring, repeated in-situ measurement and additional turbidity measurement were immediately
taken outside the silt screen when the Action Level or Limit Level exceedance
was recorded inside the silt screen for checking of relation from the filling
works. Diver inspection on the silt screen and silt curtain was conducted on 5
May 2011. The maintenance works of geotextile was then conducted on 6 and 7 May
2011. Additional silt curtains have been installed in HKCEC water channel on 7
May 2011.
5.7.3.
In response to further recorded exceedances at
water monitoring station C3, the
frequency of water quality monitoring has been increased to daily from 17 May
2011 so as to keep in view of any further deterioration of water quality in
water channel. Filling operation was then suspended from 19 May 2011 morning
until 23 May 2011 morning.
5.7.4.
A discharge pipe for HKCEC was discovered located
in between the C3 intake inlets and inside the silt screen by Contractor on 24
May 2011. A site investigation with ARE and SIOW from AACL, ET, IEC, Contractor
and stakeholder was conducted on 27 May 2011 to confirm the location of the
discharge pipe. The monitoring frequency was then resumed to normal monitoring
frequency on 27 May 2011. The diversion of the discharge pipe is under liaison
with stakeholder.
6.0.1.
There were two
environmental complaints received in this quarter.
6.0.2.
Dust impact and
mosquitoes breeding complaint from Government Complaint Hotline ICC direct
referral (ICC#1- 281451236) was received by ET on 18 April 2011. The complaint
was reported by the resident, Mr Law at Victoria Centre that dust generated at
10:04 on 15 April in which suspected the filling operation was part of North
Point Reclamation.
6.0.3.
The concerned
stockpile was a working stockpile and was covered at night time after work.
Water spraying on the haul road and potential dust generating material at least
4 times a day was conducted by contractor that complies with the requirement.
It is considered invalid but preventive actions can be taken because the
stockpile is relatively large and easily visible by complainant. The concern of
mosquitoes breeding is not under the scope of EM&A, the follow-up action
are not reported in this EM&A report.
6.0.4.
Another
complaint was reported from a resident, Ms Chiu at Victoria Centre via the
Government Complaint Hotline ICC direct referral (ICC# 1-272874759) regarding
the episode of night noise on 19 and 20 April 2011 at 2:50 am and the noise
lasted for 30 minutes per night. According to the RSS’s record, there was no
construction works undertaken under the EP-356/2009 during the concern time
period. Besides, there was no abnormal real-time noise monitoring data recorded
in RTN1 - FEHD Hong Kong Transport Section Whitefield Depot which is next to
the Victoria Centre. As such, it is considered as invalid complaint under this
Project.
6.0.5.
The details of
cumulative complaint log and summary of complaints are presented in Appendix
6.1.
6.0.6.
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 |
Commencement works
(Mar 2010) to last reporting quarter |
9 |
March - May 2011 |
2 |
Project-to-Date |
11 |
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 |
7.0.1.
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 filling works at North
Point Reclamation Shoreline Subzone (NPR2E) and (NPR1& NPR2W), the filling
at WCR1 and dredging at Wan Chai Reclamation Shoreline Subzone (Submarine
sewage pipeline) respectively, filling at HKCEC1 and dredging at TCBR and
filling at TPCEAE, and the dredging works at MTR Tunnel Crossing in the 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 filling work at Central Reclamation
Phase III were only located along the coastline of Central and Admiralty while
the adverse water impact was located in the HKCEC water channel in relation to
the filling operation causing exceedances at station C3 in this reporting quater.
Other than the exceedances recorded at C3, it was concluded not related to the
Project works. Thus, it was unlikely to have cumulative impact from CRIII. It
is evaluated the cumulative construction impact from the concurrent projects
including Wan Chai Development Phase II and Central Reclamation Phase III was
insignificant.
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 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.