1.
This is the 5th Quarterly Environmental Monitoring and Audit
(EM&A) Report prepared by Cinotech Consultants
Limited for the project “Contract No. HY/2011/09 – Hong Kong-Zhuhai-Macao Bridge Hong Kong Link Road – Section between
HKSAR Boundary and Scenic Hill” (hereinafter called the “Contract”). This report documents the findings of EM&A Works performed in the
period between March and May 2014.
Environmental Monitoring and Audit Progress
2.
A summary of the monitoring activities in this reporting period is
listed in Table I below:
Table I Summary Table for Monitoring Activities in the Reporting Period
|
Parameter(s) |
Monitoring Date(s) |
|
1-hr TSP Monitoring |
5th, 11th,
17th, 21st and 27th March 2014 2nd, 8th,
14th, 17th, 23rd and 29th April 2014 5th, 9th,
15th, 21st, 27th and 30th May
2014 |
|
24-hr TSP Monitoring |
|
|
Noise Monitoring |
6th, 12th
, 18st and 24th
March 2014 3rd, 9th
, 15th , 22nd and 30th April 2014 7th , 16th
, 22nd and 28th May 2014 |
|
Water Quality Monitoring |
1st, 3th,
5th, 7th, 10th, 12th, 14th,
17th, 19th, 21st, 24th , 27th,
29th and 31st March 2014 2nd, 4th,
7th, 10th, 12th, 14th, 16th,
18th, 22nd, 24th , 26th, 28th
and 30th April 2014 2nd, 5th,
7th, 10th, 12th, 14th, 16th,
19th, 21st, 23rd , 26th, 28th
and 30th May 2014 |
|
12th and 26th March 2014 15th and 23rd April 2014 7th and 20th May 2014 |
|
|
Additional Land-based Dolphin Behaviour
and Movement Monitoring |
14th and 19th
March 2014 16th and 25th
April 2014 19th and 27th
May 2014 |
|
Environmental Site Inspection |
5th, 11th
, 18th and 28th March 2014 1st, 8th ,
15th, 25th and 29th April 2014 7th , 13th,
20th and 30th May 2014 |
|
Archaeological Site Inspection |
21st March
2014 |
Breaches of Action and Limit Levels
3.
Summary of the environmental exceedances of
the reporting period is tabulated in Table
II.
Table II Summary Table for Events Recorded in the Reporting Period
|
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 |
6 |
1 |
0 |
0 |
|
|
Suspended Solids (SS) |
24 |
6 |
0 |
0 |
|
|
Dolphin Monitoring |
Line-transect Vessel
Surveys |
0 |
0 |
0 |
0 |
4.
Environmental monitoring works were performed in the reporting period
and all monitoring results were checked and reviewed. The details of each exceedance
were attached in the Monthly EM&A Reports.
Complaint Log
5.
Summary of the environmental complaints of the reporting period is
tabulated in Table III.
Table III Summary Table for Complaints Recorded in the Reporting Period
|
Complaint Log Ref. |
Location |
Received Date |
Nature of Complaint |
|
Com-2014-03-001 |
Near Sha Lo Wan |
5 March 2014 |
Chemical / Waste
Management |
|
Com-2014-03-002 |
In the vicinity of the waters outside Sha Lo Wan |
11 March 2014 |
Noise |
|
Com-2014-04-001 |
Construction marine works
by the company Bauer Hong Kong in Tung Chung |
14 April 2014 |
Ecology |
|
Com-2014-05-001 |
At the shore of Sha
Lo Wan |
13 May 2014 |
Ecology |
|
Com-2014-05-002 |
At the shore of Sha
Lo Wan |
27 May 2014 |
Ecology |
|
Com-2014-05-003 |
Pier 39 to 50 |
29 May 2014 |
Water Quality and Waste
Management |
Notification of Summons and Successful Prosecutions
6.
No notification of summons and successful prosecution was received in
the reporting period.
7.
This report has been developed in compliance with the reporting
requirements for the quarterly EM&A Summary Report
as required by the EM&A Manual for Hong Kong Link Road (EM&A Manual).
8.
Major site activities for
the coming reporting month will include:
WA4
Ÿ Fabrication
of rebar cages
Ÿ Fabrication
of temporary piling platforms
WA7
Ÿ Fabrication
of rebar cages
Ÿ Loading and
Unloading of rebar materials
Marine
Viaduct (P0 to P80)
Ÿ Construction
of the temporary jetty
Ÿ Installation
of temporary casings, piling jackets, temporary piles, platform and permanent
casings
Ÿ Dismantling
of piling jacket
Ÿ Piling
platform removal works
Ÿ Pile
excavation by Reverse Circulation Drill (RCD) method method
Ÿ Pile
excavation by Kelly method
Ÿ Inter-face
coring test, full depth coring test, sonic test, friction test
Ÿ and load
test
Ÿ Predrilling works
Ÿ Operation
of floating concrete batching plants
Ÿ Trimming of
pile head
Ÿ Grouting
works
Ÿ Concreting
for pile cap
Ÿ Driving of
sheet piling
Ÿ Trial water
cracking and trial shaft grouting
Ÿ Installation
of recast shells and waterproofing works
Ÿ Advanced
concrete breaking works inside the permanent steel casing
Ÿ Steel
fixing to the column and formwork installation
Ÿ Kingpost
installation for precast cap and associated steel welding works
Land
Viaduct (P81 to P114)
Ÿ Land piling
and concreting works
Ÿ Rebar
threading for coupler
Ÿ Backfilling
Ÿ Tree
transplant and maintenance works
Ÿ Installation
of portal beam
Ÿ Excavation
works and Earth Lateral Support (ELS)
Ÿ Pouring of
pile cap and pile head breaking
Ÿ Formation
works
Ÿ Pours of
column
Ÿ Erection of
side formwork for the portal and kickers
Ÿ Road
diversion works
Ÿ Pre-drilling
works, pile cap, column and portal construction
Ÿ Side
formwork and wing slab soffit formwork
Ÿ Waling of
ELS and backfill
Ÿ Steel
fixing for bottom mat and side bars
Ÿ Carriageway
diversion
Ÿ Tendon
ducts
Ÿ Falsework erection
Ÿ Temporary
carriageway for diversion at P82 & P83