1.
This is the 47th 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 September
2016.
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, 19th, 23th and 29th December
2016 |
24-hr
TSP Monitoring |
1st, 7th,
13th, 19th, 23th and 29th
December 2016 |
Noise
Monitoring |
2nd, 8th,
14th, 20th and 30th December 2016 |
Water
Quality Monitoring |
2nd, 5th,
7th, 9th, 12th, 14th, 16th,
19th, 21st, 23rd, 26th, 28th
and 30th December 2016 |
2nd and 12th
December 2016 |
|
Environmental
Site Inspection |
6th, 13th,
20th and 29th December 2016 |
Archaeological
Site Inspection |
13th December
2016 |
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) |
6 |
0 |
6 |
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 six Action Level 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)
Control Station value already exceeded either the Baseline Action or
Limit Levels;
3)
Monitoring station is situated at the upstream of the construction
sites;
4)
Sediment plume due to natural fluctuation of shallow water was observed;
and
5)
Adverse water quality outside the site boundary was observed. 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) was also
observed.
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