11.
FUTURE KEY
ISSUES
11.1
Construction Programme for the Next Three Month
·
Demolition of Admin.
Building, Settled Sewage Overflow Chamber, Sludge Holding Tanks no. 2,
Water Heater House, Return Activated Sludge Screw Pump Pumping station, Air
Floatation Thickener and Auxiliary Pumping Station (below ground);
·
Pipe Laying
and construction of RC chamber at Zone 2B and subsequence diversion work;
·
ELS work and RC structure at IW & PST;
·
Installation of Sheet
pile at TTB;
·
Piling work at
PST;
·
Piling
work at Sludge Thickening Building;
·
E&M
work at 3 zone (Location D -Temp. Primary Sludge Pumping Station);
·
Pipe laying
for Zone 3 diversion;
·
Backfilling
work and installation of pipe pile wall for demolition of Aeration Tank no. 5-8
at AGS;
·
Construction of CLP Substation;
·
Construction of MiC office;
·
Demolition of PST
no. 2;
·
Ground
investigation at AGS, SDB, SDT & STB;
·
Sheet piling
work around Sludge digester no. 1 – 3;
·
Installation
of brand drain at Biogas Holder no. 1;
·
Installation of
concrete blocks and soil Surcharge at Biogas Holder no. 1;
·
Construction of temp.
traffic road at north of SHT no. 3 & 4;
·
Construction of PST
structure;
·
3
zone diversion works:
a. E&M work at
temp. Gravity thickening tank (Atal);
b. E&M work at
temp. Sludge Holding Tank (Atal);
c. E&M work at
temp. water heater house (Atal);
d. RC work at temp.
Primary sludge pumping station;
e. RC construction and E&M work at Temp.
digested sludge pump, Ferric Chloride and Chemical Dosing System;
f. E&M work at Digested Sludge Pumping
Station.
·
Construction
of RC chamber at Zone 2B.
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 months
11.3.1
The tentative
schedule for environmental monitoring in the next three months is provided in Appendix
E.