April 2021

May 2021

June 2021

·  Overhaul of Detritor;

·  Overhaul of Primary Sedimentation Tank and Final Sedimentation Tank;

·  Overhaul of Sludge Holding Tank and Sludge Digestion Tank;

·  Pre-drill work by 4 drill rig;

·  Installation of instrumentation;

·  Site formation work at IW within piling area;

·  Site formation works at temporary storage area, admin. Building & work shop;

·  Erection of noise barrier;

·  Erection of bird curtain; and

·  Trial pit for zone 1 diversion work & pre-drill work.

·  Driven piling work at IW;

·  Demolition of Primary Sedimentation Tanks (PST) no. 7 & 8 tanks;

·  Demolition of main store;

·  Demolition of carpark cover;

·  Demolition of workshop;

·  Sheet piling;

·  Construction of temporary storage area, admin. Building and workshop;

·  Installation of sheet piles for Zone 1 diversion;

·  Pre-drilling works at Primary Sedimentation Tanks (PST);

·  Environmental drill holes inside main store and workshop;

·  Trench excavation for UU diversion; and

·  Breaking of existing road pavement at Primary Sedimentation Tanks (PST).

·  Pre-drill work at Primary Sedimentation Tanks (PST) by 2 drill rigs;

·  Drilling and install piezometers;

·  Site formation works at Primary Sedimentation Tanks (PST);

·  Breaking of Primary Sedimentation Tanks (PST) no. 7 & 8;

·  Sheet pile installation works for Zone 1 diversion;

·  Driven H-pile at Inlet Works (IW) stage 1 by 2 rigs;

·  Demolition of main storage by crusher and breaker;

·  Trial pit for Zone 2A & 3 diversion;

·  Construction of temporary admin. Building, workshop & storage area;

·  Removal of sludge from sludge holding tanks; and

·  Overhaul work at Final Sedimentation Tanks (FST).