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
For 1-hour TSP
monitoring, no
Action/Limit Level exceedance was recorded in the reporting period.
5.3
For 24-hr TSP monitoring, no Action/Limit Level exceedance was recorded in the
reporting period.
Noise
5.4
No Action/Limit Level exceedance was recorded
in the reporting period.
Water Quality
5.5
There are 13 Action Level exceedances and 6
Limit Level exceedances were recorded for suspended solids. No Action/Limit
Level exceedance for dissolved oxygen and turbidity were recorded in the reporting period.
5.6
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) The
exceeded results were similar or within the ranges baseline monitoring results;
3) Sediment
plume due to natural fluctuation of shallow water was observed;
4) Monitoring
station is situated at the upstream of the construction sites;
5) Control Station value already exceeded either the Baseline
Action or Limit Levels;
6) Adverse
water quality outside the site boundary was observed while no construction
vessel for this Contract was travelling nearby.
7) Adverse
water quality outside the site boundary was observed while no pollution source
from this Contract was observed and no construction vessel for this Contract
was travelling nearby. 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.
Dolphin Monitoring (Line-transect
Vessel Survey)
5.7
There was an Action Level exceedance of
dolphin monitoring for the quarterly monitoring data (between March
to May 2017). According to the investigation report(Appendix K), the exceedance is considered not due to the ContractSummary of Environmental Complaint
5.8
Two environmental related complaint was received
in the reporting period. The Complaint Log is attached in Appendix L.
5.9
There was one prosecution or notification of
summons received since the Contract commencement. Summary of successful prosecution is
attached in Appendix M.