5.1
Summary
of exceedance is provided in Appendix K. The details of the exceedances
were attached in the Monthly EM&A Report.
Air Quality
5.2
No
Action/Limit Level exceedance was recorded in the
reporting period.
Noise
5.3
One
Action Level exceedance was recorded for noise in the
reporting period as one documented complaint was received to complaint the
noise nuisance due to loading of metal parts at barge near the seawall of Works
Area WA6 early morning (around 8:45a.m) on 18 May 2013 (Saturday) in the
reporting month.
5.4
Based
on the record of site activities at WA6 on 18 May 2013, 4 metal plates and 2
oxygen-acetylene set were lifted onto a derrick boat “Chiu Kee”
by a crane near seawall at WA6 in the morning on that day. Such operation was
commenced around 8:40a.m and completed in 10 minutes during the normal
construction working hour (0700 – 1900 Monday to Saturday). However, the
duration of aforesaid activities is very short and infrequent. Nevertheless,
the Contractor was reminded to strengthen their site supervision and provide
training for the workers regularly to increase awareness of their environmental
responsibilities to minimize the noise impact to the nearby residents and the
specific mitigation measures for the complaint including but not limited to:-
•To place wooden planks or rubber mats on
ground for loading and unloading heavy or metal objects; and
•To deploy professional personnel to
supervise the works.
5.5
No Limit
Level exceedance was recorded for noise.
Water
Quality
5.6
There
are 17 Action Level exceedances and 6 Limit Level exceedances were recorded for dissolved oxygen. 30 Action
Level exceedances and 101 Limit Level exceedances for turbidity were recorded. 22 Action exceedances and 92 Limit Level exceedances
for suspended solids were recorded.
5.7
According
to the investigation, no major marine construction activities were conducted
during the monitoring period between 22 February and 19 March 2013. No
pollution discharge from the marine works and sediment plume due to natural
fluctuation of shallow water were observed. Therefore, all exceedances
are considered not due to the Contract.
Construction-phase
Underwater Noise Monitoring
5.8
No
Action/Limit Level exceedance was recorded in the
reporting period.
Dolphin
Monitoring (Line-transect Vessel Survey)
5.9
No
Action/Limit Level exceedance was recorded in the
reporting period.
5.10 Four environmental related complaints were
received in the reporting period. The Complaint Log is attached in Appendix L. All investigation reports
for complaint of the Contract have been submitted to summarize the
investigation results. The summary
of environmental complaints is presented in Table 5.1.
Table 5.1
Summary of Environmental
Complaints in the Reporting Period
|
Complaint Log Ref. |
Location |
Received Date |
Nature of Complaint |
|
Com-2013-04-001 |
Near Tung Chung New Development
Pier |
8 April 2013 |
Water Quality |
|
Com-2013-05-001 |
WA6 |
2 May 2013 |
Noise |
|
Com-2013-05-002 |
WA6 |
18 May 2013 |
Noise |
|
Com-2013-05-003 |
Near Tung Chung New Development
Pier |
18 May 2013 |
Water Quality |
5.11
There
was no prosecution or notification of summons received since the Contract commencement.