8.            Conclusions


8.1.1     No Action and Limit Level exceedance for 24-hr TSP and noise was recorded in the reporting period at all monitoring stations.


8.1.2     14 weekly environmental site inspections were carried out in the reporting period. Recommendations on mitigation measures on air quality, water quality, noise, waste management, land contamination and landscape and visual impact were given to the Contractor for remediating the deficiencies identified during the site inspections.


8.1.3     14 weekly Landscape and Visual Site audits were carried out on in the reporting period and 7 of them were carried out by a Registered Landscape Architect in the reporting period. The weekly Landscape and Visual Impact reports were counter-signed by IEC as according to the requirement of EM&A Manual (AEIAR-130/2009). Total 6 no. of non-compliance were recorded in the weekly Landscape and Visual Site audits in the reporting period.


8.1.4     A complaint received on 16 July 2017 was referred from the 1823 regarding the muddy water discharge at Kai Tak River by CEDD project. The notification of complaint was received by ET on 27 July 2017.


8.1.5     Referring to the Contractor’s information, no notification of summons and successful prosecution was received in the reporting period.


8.2         Comment and Recommendations


8.2.1     The recommended environmental mitigation measures, as proposed in the EIA reports and EM&A Manuals shall be effectively implemented to minimize the potential environmental impacts from the Project. The EM&A programme would effectively monitor the environmental impacts generated from the construction activities and ensure the proper implementation of mitigation measures.


8.2.2     According to the environmental audit performed in the reporting period, the following recommendations were made:


Air Quality Impact

l   Open stockpile shall be covered with impermeable sheeting to prevent dust emission.

l   Regular watering to site working areas shall be provided to suppress dust emission.

l   Spent bags of cement shall be stored properly.


Construction Noise Impact

l   Contractor was reminded to close the door of the air compressor to reduce noise emission.

l   Appropriate noise absorption material shall be provided to the operating breaker.


Water Quality Impact

l   The mud at mud tank shall be removed to prevent overflow of storm water at the mud tank.

l   Seepage of muddy water shall be prevented.

l   Waste water treatment system shall be improved to prevent the accumulation of muddy water and water seepage at the low lying area at Portion I. Contractor was recommended to separate the discharge point and the desilting pond, seal the concrete blocks, and provide additional pumps.


Chemical and Waste Management

l   General refuse shall be stored properly in enclosed bins or compaction units and removed regularly.

l   Cement residue was found in the public haul road. Impermeable sheeting shall be provided when loading the cement. Spent chemical containers and used bags of cement shall be stored properly.

l   Chemical containers shall be stored on drip tray.

l   Chemical containers shall be stored in good conditions.


Land Contamination

l   No specific observation was identified in the reporting period.


Landscape and Visual Impact

l   Open stockpiles shall be covered by unobtrusive sheeting to prevent dust and dirt spreading to adjacent landscape areas and vegetation, and to create a neat and tidy visual appearance.

l   Debris and concrete shall be properly covered.

l   Decorative hoardings shall be provided along Shing Cheong Road.


General Condition

l   Stagnant water shall be removed.

l   Contractor was reminded that the low-lying area at Portion I shall be kept clear of silt, dusty or muddy materials.


Permit / Licenses

l   No specific observation was identified in the reporting period.