5.1
Environmental monitoring of air quality (1-hr TSP and 24-hr
TSP) for the Project was performed in May 2006. There was no exceedance on 1-hr
and 24-hr TSP recorded in the reporting month.
5.2
Environmental site inspections were conducted 4 times in the
reporting month. Due to the wet and windy weather condition, water ponding was
occasionally observed at Area A and inside the tipping hall. Fugitive dust was
occasionally observed during transferring and dumping of materials. The
Contractor had installed the sprinkler system at tipping hall by 27 April 2006,
yet the water supply was still awaiting.
5.3
No complaints, prosecutions or notifications of summons were
received in May 2006.
5.4
According to the environmental site inspections performed in
the reporting month, the following recommendations were provided:
Air Quality
·
Ensure the frequency of water spraying on haul roads, unloading
areas and stockpiles to be sufficient to suppress the dust sources;
·
Provide proper maintenance for the powered mechanical
equipment and barges to avoid emission of dark smoke;
·
Provide water spraying onto the truckloads during inspection
of fill material;
·
Conduct road sweeping on the public
road and the main haul roads outside and near the site egress by the road
sweeper. Undertake water spraying on stockpiling area by water bowers;
·
Erect adequate speed limit signs to
advise the truck drivers of the speed limit;
·
Operate mist spraying systems and automatic water sprinklers
in the temporary CWSF;
·
Implement
the dust mitigation measures for the construction activities;
·
Designate proper haul roads to ensure effective water
spraying; and
·
Ensure all vehicles to be washed before leaving the site
egress by provision, operation and maintenance of automatic wheel washing
facilities.
Construction Noise
·
Conduct noisy activities at a farther location from the NSR.
Water Quality
·
Maintain the drainage system, including the trapezoidal
channels;
·
Operate and maintain the treatment system for the site
toilet; and
·
Remove the stagnant water or provide pesticide for the
stagnant water in the permanent desilting chambers, if any.
Chemical and Waste Management
·
Remove waste materials from site regularly to avoid
accumulation;
·
Handle and store chemical wastes properly;
·
Remove unwanted material in the existing stockpiles and
avoid further dumping of such material;
·
Provide and maintain sufficient drip trays for diesel drums,
chemical containers, chemical waste storage drums and diesel operated generator
set;
·
Maintain good housekeeping at the workshop area;
·
Ensure sufficient tarpaulin sheets are provided to cover
drip trays; and
·
Avoid soil being polluted during oil filling and equipment
maintenance; hence, properly remove and store the contaminated soil, if any,
and
·
Provide a proper chemical waste store.
Landscape and Visual
·
Erect all the site hoardings/chaining fences in accordance
with agreed design at proper location.