11.
FUTURE KEY
ISSUES
11.1
Construction Programme for the Next Three Month
·
Demolition
of FST no. 5-8, Sludge Holding Tanks no. 3 & 4 (below ground), Return
Activated Sludge Screw Pump Pumping station, Air Floatation Thickener and
Auxiliary Pumping Station;
·
Sheet Pile
installation, pipe Laying and construction of RC chamber at Zone 2B and
subsequence diversion work;
·
Env.
Drill holes inside Air Flotation Thickener;
·
Sheet
pile installation, excavation work and RC structure at IW & PST;
·
Sheet
pile installation, ELS, construction of RC chamber at Zone 3 (Location E – Temp.
Thickened Sludge/Supernatant Pumping Station);
·
Construction
of Primary Sludge Draw-off chamber;
·
Installation
of sheet pile, excavation and construction of temporary chamber at Zone 2B;
·
Pipe Laying for Zone 3;
·
Installation of sheet pile for demolition of Aeration Tank
no. 5-8 at AGS;
·
Installation
of sheet pile, excavation work for foundation and RC foundation and structure;
·
Construction of temp. transformer room (1600A);
·
Demolition
of Settled Sewage Overflow Chamber;
·
Demolition
of PST no. 4;
·
Cone
Penetration Test at Sludge Thickening Building; and
·
Ground
investigation at Sludge Holding Tank & Sludge Thickening Building.
11.2
Key Issues for the Coming
Month
11.2.1
Potential
environmental impacts arising from the above construction activities are mainly
associated with construction dust, construction noise, waste management,
ecology, land contamination and landscape and visual impact issues.
11.3
Monitoring Schedules for the Next Three Month
11.3.1
The tentative
schedule for environmental monitoring in the coming three month is provided in Appendix
E.