Baseline Environmental Monitoring Report
August 2014
Client : Maxewell Geosystems Ltd.
Project :
Report No. : 0125/14/ED/0056G
Contents
EXECUTIVE SUMMARY
2. PROJECT
BACKGROUND INFORMATION
3. BASELINE ENVIRONMENTAL MONITORING (AIR
QUALITY IMPACT)
4. BASELINE
ENVIRONMENTAL MONITORING (NOISE IMPACT)
5. BASELINE LANDSCAPE AND VISUAL MONITORING
6. REVISIONS
FOR INCLUSION IN THE EM&A MANUAL
List of Tables
Table
A
Summary of the Weather and Influencing Factors for Baseline Monitoring
Works
Table
B Summary of Baseline 1-hour TSP Monitoring
Results
Table
C Summary of Baseline 24-hour Monitoring
Results
Table
D Summary of Daytime Noise
Monitoring Results
Table
3-1 Air quality monitoring equipment
Table
3-2 Monitoring parameters, duration,
frequency of air quality monitoring
Table 3-3 Monitoring Locations
Table
3-4 Monitoring Schedule for Air
Monitoring
Table
3-5 Summary of the Weather and
Influencing Factors for Baseline Monitoring Works
Table
3-6 Summary of Baseline 1-hour TSP
Monitoring Results
Table
3-7 Summary of Baseline 24-hour TSP
Monitoring Results
Table
3-8 Guidelines for Establishing
Action and Limit Levels for Air Quality
Table
3-9 Action and Limit Levels for 1-hour
TSP
Table
3-10 Action and Limit Levels for
24-hour TSP
Table
3-11 Typical Event and Action Plan for
Air Quality
Table 4-1 Noise Monitoring Equipment
Table
4-2 Location of Noise Monitoring
Station
Table
4-4 Monitoring Parameters and
Frequencies of Noise Monitoring
Table
4-6 Summary of the Weather and
Influencing Factors for Baseline Monitoring Works
Table
4-7 Change in road traffic of Lin
Cheung Road and Austin Road West from 2010 to 2013
Table
4-8 Summary of Daytime Noise
Monitoring Results
Table
4-9 Action and Limit Levels for
Noise
Table
4-10 Typical Event and Action Plan for
Construction Noise
Table
5-1 List of Landscape Resources
(LRs)
Table 5‑2 List
of Landscape Character Areas (LCAs)
Table
5‑3 List
of Key Visually Sensitive Receivers (VSRs) WKCD
Table
5-4 List of Key Visually Sensitive
Receivers (VSRs) Underpass
Table
5‑5 List
of Key Visual Sensitive Receivers (VSRs) Flyover
Table 5‑6 Updated
No. of Trees of LRs
Table 5‑7 LRs
with Changed Status
Table
5‑8 Correction
of Information on LRs
Table 5‑9 Baseline
Condition of LCAs
Table
5‑10 Baseline
Condition of VSRs WKCD
Table
5‑11 Baseline
Condition of VSRs (Underpass)
Table
5‑12 Baseline Condition of VSRs (Flyover)
Table
5‑13 Event
and Action Plan for Landscape and Visual Impact - Construction Phase
List of Figure
List of Appendix
Appendix
A Calibration Certificates for
Baseline Environmental Monitoring Equipment
Appendix
B Baseline Environmental Monitoring
Results
Appendix
C Graphical Plots of Baseline Environmental
Monitoring Data
Appendix
D Locations of the Baseline
Monitoring Stations
Appendix
E Baseline Study of Landscape and
Visual Impact
Appendix G Supplementary Information for Choosing
Environmental Monitoring Stations
EXECUTIVE SUMMARY
Maxewell Geosystems Ltd. has appointed MateriaLab
Consultants Limited (
Supplementary baseline noise monitoring was conducted at The
Victoria Towers Tower 1 during 22 January 2015 and 25 January 2015 to
eliminate interference from outlier data recorded between
22 July 2014 and 15 August
2014.
Baseline water quality monitoring
has not been carried out because there is no marine construction works to be
carried out in WKCD. If any marine construction works including
modification of seawall and construction of landing steps and possible piers are
to be carried out in the future, baseline water quality monitoring shall be
conducted according to the methodologies set out in the EM&A manual.
The baseline environmental monitoring works for the
parameters of 1-hour and 24-hour Total Suspended Particulates (
Air Quality Monitoring
Designated Monitoring Stations in EM&A
Manual |
Monitoring Stations in accordance with
EM&A Manual |
Alternative Monitoring Stations |
Baseline Monitoring Period |
AM1 -
International Commerce Centre |
Yes |
N/A |
22 July 2014 to 06 Aug 2014 |
AM2 - The
Harbourside Tower 1 |
Yes |
N/A |
29 July 2014 to 15 Aug 2014 |
AM3 - The Victoria
Towers - Tower 1 |
Yes |
N/A |
22 July 2014 to 04 Aug 2014 |
AM4 -
Canton Road Government Primary School |
Yes |
N/A |
22 July 2014 to 05 Aug 2014 |
Noise Monitoring
Designated Monitoring Stations in EM&A
Manual |
Monitoring Stations in accordance with
EM&A Manual |
Alternative Monitoring Stations |
Baseline Monitoring Period |
NM3 - The
Victoria Towers - Tower 1 |
Yes |
N/A |
22 July 2014 to 14 Aug 2014, 22 & 25 Jan 2015 |
NM4 - Canton
Road Government Primary School |
Yes |
N/A |
22 July 2014 to 04 Aug 2014 |
The following monitoring activity is suspended:
1. Due to the electricity shortage, monitoring of
2. Due
to electricity shortage, monitoring of 24-hour
3. Due
to objection from property owners, noise monitoring at NM1 - The Harbourside Tower 1 and NM2 - The Arch Sun Tower
could not be carried out in the baseline monitoring period.
4. Due
to site conditions (objection from property owner), the noise monitoring at NM3
was suspended on 30/7, 31/7, 1/8-6/8 and 12/8-13/8, and rescheduled to 7/8-11/8
and 14/8.
5. Due
to interference by outlier data recorded on 10/8-11/8, noise monitoring data at
NM3 on these two days were disregarded. Data was substituted by supplementary
noise monitoring data on 22/1/2015 & 25/1/2015.
Baseline Monitoring Observations
According
to on-site observation, the influencing factor in the vicinity of the monitoring stations was
recorded. A summary of the weather and influencing factors for baseline monitoring
works is given below:
Table A Summary of the Weather and Influencing
Factors for Baseline Monitoring Works
Monitoring Stations |
Date |
Influencing Factors And Major Activities |
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AM1 |
July 2014 |
Aug 2014 |
|
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22 |
23 |
24 |
25 |
26 |
27 |
28 |
29 |
30 |
31 |
01 |
02 |
03 |
04 |
05 |
06 |
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AM2 |
July 2014 |
Aug 2014 |
Road traffic dust and |
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29 |
30 |
31 |
01 |
02 |
04 |
05 |
06 |
07 |
08 |
09 |
10 |
11 |
12 |
15 |
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AM3 |
July 2014 |
Aug 2014 |
|
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22 |
23 |
24 |
25 |
26 |
27 |
28 |
29 |
30 |
31 |
01 |
02 |
03 |
04 |
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AM4 |
July 2014 |
Aug 2014 |
|
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22 |
23 |
24 |
25 |
26 |
27 |
28 |
29 |
30 |
31 |
01 |
02 |
03 |
04 |
05 |
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Monitoring Stations |
Date |
Influencing Factors And Major Activities |
|||||||||||||||
NM3 |
July 2014 |
Aug 2014 |
Jan 2015 |
Road traffic noise |
|||||||||||||
22 |
23 |
24 |
25 |
26 |
27 |
28 |
29 |
07 |
08 |
09 |
14 |
22 |
25 |
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|
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|
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NM4 |
July 2014 |
Aug 2014 |
Road traffic noise |
||||||||||||||
22 |
23 |
24 |
25 |
26 |
27 |
28 |
29 |
30 |
31 |
01 |
02 |
03 |
04 |
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|
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Remarks
Sunny |
|
Cloudy |
|
Rainy |
|
Sunday |
|
Air Quality
Data
collected was reviewed and analyzed to determine the Action and Limit Levels
for air quality during impact monitoring throughout the construction of the
Project. Details of the methodology, locations and results are presented in this report. Results summary of 1-hr TSP
and 24-hr TSP are given in Table B and C respectively.
Table
B Summary of Baseline 1-hour
Monitoring Station |
Average (Range) |
AM1 |
36.4 (5.7 84.9) |
AM2 |
37.2 (5.6 122.2) |
AM3 |
46.7 (5.9 160.7) |
AM4 |
43.9 (5.3 148.4) |
Table
C Summary
of Baseline 24-hour
Monitoring Station |
Average (Range) |
AM1 |
20.9 (8.6 44.4) |
AM2 |
32.5 (10.9 59.0) |
AM3 |
34.4 (11.0 70.8) |
AM4 |
34.7 (6.1 60.5) |
Noise
Noise
levels at the designated monitoring station were measured continuously for 12
hours (0700 to 1900) for a period of 14 consecutive days. Monitoring data
collected was reviewed and analyzed.
Details of the locations and results are presented in this report.
Results summary is given in Table D. The baseline noise monitoring data was
processed according to the following periods:
n
Daytime:
0700-1900 hrs on normal weekdays
n
Holiday-time:
0700-1900 hrs on holidays
Originally,
baseline noise monitoring was proposed to be conducted at the noise monitoring
stations as specified in the EM&A Manual, including NM1 The Harbourside
Tower 1, NM2 The Arch Sun Tower, NM3 Victoria Towers and NM4 Canton
Road Government Primary School. However, because of the rejection of both
property management offices at The Arch and The Harbourside, baseline noise
monitoring could not be carried out for NM1 and NM2 to obtain representative
noise level.
After
all the alternative approaches (refer to Section
4.5) in obtaining the baseline noise monitoring data near NM1 and NM2 had
been explored and exhausted due to site constraints and refusals from property
owners, measured baseline noise level of the project Hong Kong Section of Guangzhou-Shenzhen-Hong
Kong Express Link (XRL) has been made as a reference and adopted in this report
due to the fact that the site location of West Kowloon Terminus of XRL and its
associated works along Austin Road West is the immediate neighbour of the
WKCD.
The
baseline noise monitoring of XRL project was conducted from December 2009 to
January 2010 when there was no major construction activities of XRL
project. In addition, after checking the
traffic flow of Austin Road West and Lin Cheung Road that dominate the baseline
noise level, traffic data has not been changed significantly from 2009 to
2013. As such, the baseline noise data
of XRL project is considered a suitable reference to be adopted in this
monitoring report.
Reference was made to the baseline noise data measured at
Star Tower of The Arch (CN33), which is nearest monitoring location to WKCD. Results summary is given in Table D.
Table D Summary
of Daytime Noise Monitoring Results
Daytime 0700-1900 hrs on normal weekdays |
Range of Noise Level, dB(A) |
||||||||
Leq (30min) |
L10 |
L90 |
|||||||
Mean |
Max |
Min |
Mean |
Max |
Min |
Mean |
Max |
Min |
|
NM3 |
67.2 |
86.7 |
56.9 |
73.0 |
86.1 |
59.7 |
63.8 |
76.7 |
52.9 |
NM4 |
73.5 |
78.4 |
69.7 |
75.5 |
80.4 |
73.0 |
69.9 |
73.6 |
62.2 |
CN33* |
65.4 |
67.3 |
62.5 |
66.8 |
69.5 |
64.0 |
63.3 |
64.9 |
60.0 |
*Data referenced from XRL Baseline Monitoring Report