1.
This is the 34th monthly Environmental Monitoring and Audit
(EM&A) Report prepared by Cinotech Consultants
Limited for the project
¡§Contract No. HY/2011/09 ¡V Hong
Kong-Zhuhai-Macao Bridge Hong Kong Link Road ¡V Section between HKSAR Boundary
and Scenic Hill¡¨ (hereinafter called the ¡§Contract¡¨). This report documents the findings of EM&A Works conducted in November
2015.
Environmental Monitoring and Audit Progress
2.
A summary of the monitoring activities in this reporting month is listed
in Table I below:
Table I Summary
Table for Monitoring Activities in the Reporting Month
Parameter(s) |
Date(s) |
1-hr
TSP Monitoring |
5th, 11th,
17th, 23rd and 27th November 2015 |
24-hr
TSP Monitoring |
5th, 11th,
17th, 23rd and 27th November 2015 |
Noise
Monitoring |
6th, 12th,18th
and 24th November 2015 |
Water
Quality Monitoring |
2nd, 4th,
6th, 9th, 11th, 13th, 16th,
18th, 20th, 23rd, 25th, 27th
and 30th November 2015 |
13th and 19th
November 2015 |
|
Additional
Land-based Dolphin Behaviour and Movement
Monitoring |
4th and 20th November 2015 |
Environmental
Site Inspection |
3rd, 10th,
17th and 25th November 2015 |
Archaeological
Site Inspection |
(1) N/A |
Remark:
(1) No archaeological site
inspection was conducted in the reporting month.
Breaches of Action and Limit Levels
3.
Summary of the environmental exceedances of the reporting month is
tabulated in Table II.
Table II Summary
Table for Events Recorded in the Reporting Month
Environmental Monitoring |
Parameter |
No. of Exceedance |
No. of Exceedance related to the Construction Activities of this Contract |
||
Action
Level |
Limit
Level |
Action
Level |
Limit
Level |
||
Air Quality |
1-hr TSP |
0 |
0 |
0 |
0 |
24-hr TSP |
0 |
0 |
0 |
0 |
|
Noise |
Leq(30min) |
0 |
0 |
0 |
0 |
Water Quality |
Dissolved Oxygen (DO)
(Surface & Middle) |
0 |
0 |
0 |
0 |
Dissolved Oxygen (DO)
(Bottom) |
0 |
0 |
0 |
0 |
|
Turbidity |
0 |
0 |
0 |
0 |
|
Suspended Solids (SS) |
5 |
3 |
0 |
0 |
1-hour
TSP Monitoring
4.
All 1-hour TSP monitoring was conducted as scheduled in the reporting month. No Action/Limit Level exceedance was
recorded.
24-hour
TSP Monitoring
5.
All 24-hour TSP monitoring was conducted as scheduled in the reporting month. No Action/Limit Level exceedance was
recorded.
Construction
Noise
6.
All construction noise monitoring was conducted as scheduled in the
reporting month. No Action/Limit Level exceedance was recorded.
Water Quality
7.
All water quality monitoring was conducted as scheduled in the reporting
month. There are five Action Level and three Limit Level exceedances for suspended
solids were recorded. No Action/Limit Level exceedance for dissolved oxygen and
turbidity were recorded.
8.
According to the investigation, no pollution discharge was observed from
the site. In addition, dispersion of sediment plume to the monitoring stations
from the area outside the site boundary (i.e. works area not under and related to
HY/2011/09) and sediment plume due to natural fluctuation of shallow water were
observed. Therefore, the exceedances are considered not due to the Contract.
Complaint Log
9.
No environmental complaint was received in the reporting month.
Notification of Summons
and Successful Prosecutions
10.
No notification of summons and successful prosecution was received in
the reporting month.
11.
This report has been developed in compliance with the reporting
requirements for the subsequent monthly EM&A Report as required by the
EM&A Manual for Hong Kong Link Road (EM&A Manual).
12.
Major site activities for
the coming reporting month will include:
WA4
Fabrication of lifting frames
Deliveries of frame structures
WA7
Fabrication of cofferdam frame structures
Marine
Viaduct (P0 to P80)
Remove rockfill
platform for rock breaking for
cofferdam installation
Completed concrete plug, cutting steel casing
and blinding concrete
Enhancement work to cofferdam to improve water
tightness
Pile testing
Pile
Cap Construction:
Installation of precast cap shells
Concreting
Kingpost installation and associated steel
welding works
Concreting trimming
Column
Construction:
Lifting works
Lift concreting
Pier head works
Pier head concreting
Precast
Column Erection
Installation of base units and precast units
Stressing of vertical nailing tendons
Vertical Tendons Stressed
Grouting Vertical Tendons
Pier Head Concrete
Deck
Erection
Setting up of equipment
Segment erection
Precast
Segment
Segment casting
Land
Viaduct (P81 to Abutment at Scenic Hill Tunnel (SHT))
Commencement of reinstatement works
Removal of falsework
Removal of steel bracket system
Construction of upper bearing plinths