1.
This is the 49th 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 February
2017.
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 |
1st, 7th,
13th, 17th and 23rd February 2017 |
24-hr
TSP Monitoring |
1st, 7th,
13th, 17th and 23rd February 2017 |
Noise
Monitoring |
2nd,
8th, 14th and 24th February 2017 |
Water
Quality Monitoring |
1st, 3rd,
6th, 8th, 10th, 13th, 15th,
17th, 21st, 23rd, 25th and 27th
February 2017 |
6th and 13th
February 2017 |
|
Environmental
Site Inspection |
2nd, 7th,
14th, 21st and 28th February 2017 |
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 |
Total
No. of Exceedance |
No. of Exceedance related to the Construction Activities of this Contract |
Total 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 |
0 |
0 |
24-hr TSP |
0 |
0 |
0 |
0 |
0 |
0 |
|
Noise |
Leq(30min) |
0 |
0 |
0 |
0 |
0 |
0 |
Water Quality |
Dissolved Oxygen (DO)
(Surface & Middle) |
0 |
0 |
0 |
0 |
0 |
0 |
Dissolved Oxygen (DO)
(Bottom) |
0 |
0 |
0 |
0 |
0 |
0 |
|
Turbidity |
0 |
0 |
0 |
0 |
0 |
0 |
|
Suspended Solids (SS) |
4 |
8 |
12 |
0 |
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 four Action Level and eight Limit Level exceedances were
recorded for suspended solids. No Action/Limit Level exceedance for dissolved
oxygen and turbidity were recorded.
8.
According to the investigation, the exceedances are considered not due
to the Contract due to the following reasons:
1)
No pollution discharge from construction activity was observed;
2)
Localized sediment plume due
to the rough water condition was observed.
3)
Adverse water quality outside the site boundary was observed while no
construction vessel for this Contract was travelling nearby.
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
¡P
Cross Beam Precast Shell construction
Ancillary
and Associated Facilities
¡P
E&M installation
¡P
E&M ducting installation
¡P
Construction of Load Centre (CL1)
¡P
Installation of carrier drains
¡P
Installation of precast parapet skins
¡P
Erection of Radar Platform
¡P
Construction of median and side barriers
¡P
Construction of longitudinal stitching
¡P
Erection of gantry posts for Sign gantry
¡P
Reinstatement of slope area and drainage works
¡P
Reinstatement of sloping seawall
Marine
Viaduct (P0 to P80)
Deck
Erection
¡P
Segment erection
¡P
Erection of SOP segments
¡P
Erection of cantilever
¡P
Construction of cross beam precase
shell
¡P
In-situ RC works
¡P
Erection of precase
SOP unit to Turnaround
¡P
Alignment and levels adjustment
¡P
Construction of temporary platform
External
Prestressing Tendon Installation
Internal
Prestressing Grouting