5               ENVIRONMENTAL NON-CONFORMANCE (EXCEEDANCES)

Summary of Exceedances

 

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 for air quality (1-hr TSP).

5.3         For 24-hour TSP monitoring, no Limit Level exceedance was recorded. One Action Level exceedance was recorded at AMS1 on 5 April 2018.

5.4         According to the investigation, the exceedances are considered not due to the Contract due to the following reasons:

1)      No dust generation construction works was conducted at near the monitoring station during monitoring; and

2)      No observable dust source from construction activity was observed.

Noise

5.5         No Action/Limit Level exceedance was recorded in the reporting period.

Water Quality

5.6         No Action/Limit Level exceedance for and turbidity was recorded in the reporting period.

5.7         There are twenty eight Action Level and three Limit Level exceedances were recorded for dissolved oxygen.

5.8         According to the investigation, the exceedances are considered not due to the Contract due to the following reasons:

1)      No major marine construction activity was conducted;

2)      No pollution discharge from construction activity was observed; 

3)      Control Station value already exceeded/very close to the Baseline Action Levels;

4)      Monitoring Station is situated at the upstream of the construction sites;

5.9         There are eight Action Level and two Limit Level exceedances were recorded for suspended solids.

5.10     According to the investigation, the exceedances are considered not due to the Contract due to the following reasons:

1)      No major marine construction activity was conducted;

2)      No pollution discharge from construction activity was observed;

3)      Sediment plume due to natural fluctuation of shallow water was observed; amd

4)      Dispersion of sediment plume to the monitoring station from the area outside the site boundary (i.e. works area not under and related to HY/2011/09) was observed

Dolphin Monitoring (Line-transect Vessel Survey)

5.11     No Action/Limit Level exceedance was recorded in the reporting period.

Summary of Environmental Complaint

 

5.12     No environmental related complaint was received in the reporting period. The Complaint Log is attached in Appendix L.

Summary of Notification of Summons and Successful Prosecution

 

5.13     There was one prosecution or notification of summons received since the Contract commencement.  Summary of successful prosecution is attached in Appendix M.