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

October 2022

November 2022

December 2022

·   Piling work at STB;

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

·   Zone 3 Diversion works:

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

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

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

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

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

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

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

·   Superstructure works at CLP substation;

·   E&M work at MIC office;

·   Demolition work:

·   Water Heater House;

·   Sludge Holding Tank no. 2;

·   Air Floatation Thickener;

·   Settled Sewage Overflow Chamber;

·   Auxiliary Pumping Station;

·   PST no. 4;

·   Construction of CLP Substation;

·   Ground investigation at AGS;

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

·   Pipe laying for Zone 2B;

·   Sheet piling installation around Sludge digester no. 1 – 3;

·   E&M installation at Zone 2B chamber; and

·   Disposal of construction waste as indicated in Appendix F.

·   Piling loading test at STB;

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

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

·   Superstructure works at CLP substation;

·   E&M work at MIC office;

·   Demolition work at North of A.tank no. 5-8;

·   Ground investigation at SD & STB;

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

·   Break through existing manhole by coring machine for Zone 2B diversion work;

·   Sheet piling installation around Sludge digester no. 1 – 3;

·   Backfilling work at Sludge Digester no. 1-3 and Biogas Holder no. 1; and

·   Disposal of construction waste as indicated in Appendix F.

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

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

·   Superstructure works at CLP substation;

·   E&M work at MIC office;

·   Ground investigation at SD & STB;

·   Installation of steel cover for at Zone 2B chamber;

·   Sheet piling installation around Sludge digester no. 1 – 3;

·   Demolition of Air Floatation Thickener (remaining Bay 9);

·   Installation of sheet pile at TTS;

·   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;

·   Installation of sheet pile at STB; and

·   Disposal of construction waste as indicated in Appendix F.