10.1 The Environmental
Monitoring and Audit (EM&A) Report presents the EM&A works undertaken in
September 2017
in accordance with EM&A Manual.
10.2 No Action/Limit Level
exceedance was recorded for air quality and construction noise.
10.3
All water quality monitoring was conducted as scheduled in the reporting
month. There are three Action Level and two Limit Level exceedances were
recorded for suspended solids. No Action/Limit Level exceedance for dissolved
oxygen and turbidity were recorded.
10.4 Dolphin
transect survey was carried out on 7th and 13th September
2017. No adverse impact on Chinese White Dolphins was noticeable from general
observations.
10.5
Environmental site inspection was conducted on 5th,
12th, 19th and 26th September 2017 by ET in
the reporting month. All deficiencies identified
during the site inspection have already rectified / improved during the
follow-up audit session.
10.6
The inspection to the Sha Lo Wan (West) Archaeological Site was
conducted on 12th September 2017. No access to Sha Lo
Wan (West) Archaeological site for works areas and storage of construction
equipment was observed.
10.7
There was no environmental complaints, no
notification
of summons and successful prosecution received
in the reporting month.
10.8
The ET will keep track on the EM&A programme to ensure compliance of
environmental requirements and the proper implementation of all necessary
mitigation measures.
10.9
According to the environmental audit performed in the reporting month, the following
recommendations were made:
Air Quality
Impact
¡P
To regularly maintain the quality of machinery
and vehicles on site.
¡P
To implement dust suppression measures on all
haul roads, stockpiles, dry surfaces and excavation works.
¡P
To provide hoarding along the entire length of that portion
of the site boundary.
Noise Impact
¡P
To inspect the noise sources inside the site.
¡P
To space out noisy equipment and position the
equipment as far away as possible from sensitive receivers.
¡P
To provide temporary noise barriers for
operations of noisy equipment near the noise sensitive receivers, if necessary.
Water Impact
¡P
To prevent any surface runoff discharge into any stream course
and sea.
¡P
To review and implement temporary drainage system.
¡P
To identify any wastewater discharges from site.
¡P
To ensure properly maintenance for de-silting facilities.
¡P
To clear the silt and sediment in the sedimentation tanks.
¡P
To review the capacity of de-silting facilities for discharge.
¡P
To divert all the water generated from construction site to de-silting
facilities with enough handling capacity before discharge.
¡P
To avoid accumulation of stagnant and
ponding water
on site.
Ecology
Impact
¡P
To implement Spill Response Plan in the
event of accidental spillage of or other hazardous chemicals.
¡P
To implement Dolphin Exclusion Zone
during the installation of bored pile casing located in the waters to the west
of Airport.
¡P
To implement Dolphin Watching Plan after
the bored piling casing is installed.
¡P
To ensure the acoustically-decoupled
measures were implemented for air compressors and other noisy equipment mounted
on construction vessels according to acoustic decoupling measures plan.
Waste/Chemical
Management
¡P
To check for any accumulation of waste
materials or rubbish on site.
¡P
To ensure the performance
of sorting of C&D materials at source (during generation);
¡P
To carry out
inspection of dump truck at site exit to ensure inert and non-inert C&D
materials are properly segregated before removing off site.
¡P
To avoid any discharge or accidental spillage of chemical
waste or oil directly from the site.
¡P
To avoid improper handling or storage of oil
drum on site.