Table 1.2 – Main Construction Works Carried out in the Reporting Period

July 2022

August 2022

September 2022

·  Piling work at PST;

·  Piling work at STB ;

·  ELS works at IW & PST;

·  Zone 3 Diversion works:

a.    Temp. Gravity thickening tank – Pipe laying and E&M installation work;

b.   Temp. Sludge Holding Tank – Pipe laying and E&M installation work;

c.    Temp. Water heater house – Pipe laying and E&M installation work;

d.   Temp. Primary Sludge Pumping Station – RC work;

e.   Temp. Digested sludge pump / Supernatant Pumping – RC Work;

f.     Digested Sludge Pumping Station house – Pipe laying and E&M installation work;

g.    Pipe laying for Zone 3 diversion;

·  Demolition of Sludge Holding Tank no. 1;

·  Backfilling work at Sludge Holding Tank no. 3 & 4;

·  Superstructure works at CLP substation;

·  Installation of MIC unit at MIC office;

·  Backfill work at A. Tank 6-8;

·  Construction of RC chamber at Zone 2B;

·  Disposal of Pond Sediment excavated from PST; and

·  Disposal of construction waste as indicated in Appendix F.

·  Piling work at PST;

·  Piling work at STB;

·  ELS works at IW & PST;

·  Zone 3 Diversion works:

a.      Temp. Gravity thickening tank – Pipe laying and E&M installation work;

b.      Temp. Sludge Holding Tank – Pipe laying and E&M installation work;

c.       Temp. Water heater house – Pipe laying and E&M installation work;

d.      Temp. Primary Sludge Pumping Station – RC work;

e.      Temp. Digested sludge pump / Supernatant Pumping – RC Work;

f.       Digested Sludge Pumping Station house – Pipe laying and E&M installation work;

g.      Pipe laying for Zone 3 diversion;

·  Demolition of Sludge Holding Tank no. 1;

·  Installation of 813mm pipe pile at south of AGS;

·  Backfilling work at Sludge Holding Tank no. 1 & 3;

·  Superstructure works at CLP substation;

·  Installation of MIC unit at MIC office;

·  Backfill work at A. Tank 6-8;

·  Construction of RC chamber at Zone 2B;

·  Disposal of Pond Sediment excavated from PST-Zone E; and

·  Disposal of construction waste as indicated in Appendix F.

·  Piling work at STB;

·  ELS works and RC structure works at IW & PST;

·  Zone 3 Diversion works:

a.      Temp. Gravity thickening tank – Pipe laying and E&M installation work;

b.      Temp. Sludge Holding Tank – Pipe laying and E&M installation work;

c.       Temp. Water heater house – Pipe laying and E&M installation work;

d.      Temp. Primary Sludge Pumping Station – Pipe laying and E&M installation work;

e.      Temp. Digested sludge pump / Supernatant Pumping – Pipe laying and E&M installation work;

f.       Digested Sludge Pumping Station house – Pipe laying and E&M installation work;

·  Installation of sheet piles at DS;

·  Installation of 813mm pipe pile at south of AGS;

·  Backfilling work at Sludge Holding Tank no. 1 & 3;

·  Superstructure works at CLP substation;

·  Installation of MIC unit at MIC office;

·  Backfill work at A. Tank 5-8;

·  E&M installation work for at Zone 2B chamber;

·  Pipe laying for Zone 2B; and

·  Disposal of construction waste as indicated in Appendix F.