1.
This is the 44th 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 |
2nd, 8th,
14th, 20th, 26th and 30th September
2016 |
24-hr
TSP Monitoring |
2nd, 8th,
14th, 20th, 26th and 30th
September 2016 |
Noise
Monitoring |
9th, 15th,
21st and 27th September 2016 |
Water
Quality Monitoring |
2nd, 5th,
7th, 10th, 12th, 14th, 17th,
19th, 21st, 24th, 26th, 28th
and 30th September 2016 |
9th and 20th
September 2016 |
|
Environmental
Site Inspection |
6th, 13th,
20th and 27th September 2016 |
Archaeological
Site Inspection |
20th September
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) |
3 |
5 |
8 |
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 three Action Level and five 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 was observed from the site;
2)
Control Station value already exceeded either the Baseline Action or
Limit Levels;
3)
The exceeded results found at the monitoring station which is situated
at the upstream of the construction sites;
4)
Localized sediment plume due to the rough water condition was observed;
and
5)
The exceeded result was similar to the ranges baseline monitoring
results.
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
Marine
Viaduct (P0 to P80)
Deck
Erection
¡P
Segment erection
¡P
Erection of SOP segments
¡P
Dismantling of LG1
¡P
Erection of cantilever
¡P
Construction of cross beam precase
shell
¡P
In-situ RC works
¡P
Erection of precase
SOP unit to Turnaround
External
Prestressing Tendon Installation
Internal
Prestressing Grouting