Table 5.5 Summary of Land-based
dolphin behavior and movement monitoring across the bridge alignment before,
during and after bridge construction
Land-based
dolphin behavior and movement monitoring |
Monitoring
Period |
Monitoring Details |
Baseline (before bridge construction) |
Dec 2012 – Jan 2013 |
i)
30 consecutive days before bridge construction (i.e. before start of
bored piling activities) |
Impact
(during bridge construction) |
Mar 2013 – Aug 2016 |
i)
30 days from the start of bored piling activities in the waters to the
west of Airport; and ii)
64 days (twice per month) throughout the bridge construction period
(Remark: the pile cap and pier construction under Contract HY/2011/09 were
completed in May 2016) |
Post-construction
(after bridge construction) |
Sept
2016 – August 2018 |
i)
48 days (twice per month) after completion of bored piling
activities |