| Progress Photos | Planned Construction Period | Works Progress |
|---|---|---|
| Construction of the Temporary Sewage Treatment Plant June - August 2019  Piling Works  Piling Works  Pile Loading Test  Construction of Pad Footing August 2019 - May 2020  Superstructure Construction  Construction of Equalization Tank by Design for Manufacture & Assembly (DfMA)  Construction of Equalization Tank by Design for Manufacture & Assembly (DfMA)  Construction of Moving Bed Biofilm Reactor (MBBR) by DfMA August 2019 - May 2020  Construction of Moving Bed Biofilm Reactor (MBBR) by DfMA  Erection of Plant Equipment In Progress  Temporary Sewage Treatment Plant Commissioning Ceremony  Temporary Sewage Treatment Plant Commissioning Ceremony | Early 2019 – Mid 2020 | Commenced Operation in July 2020 |
| Construction of the New Submarine Outfall August 2020  Drilling Operation at Landside  Drilling Operation at Landside March - October 2021  Drilling Operation at Seaside  Drilling Operation at Seaside  Pipes Butt-fusion Jointing  Pipe Testing February 2022  Pipe Installation at Seaside  Pipe Installation at Seaside  Pipe Installation at Seaside  Pipe Installation at Seaside | Mid 2020 – Early 2022 | Installation Completed in February 2022 |
| Gravity Sewers Laying in Sha Tau Kok Town December 2020  Excavation and Lateral Support Works  Excavation and Lateral Support Works August 2021  Construction of Working Pit  Construction of Working Pit January - March 2022  Drilling and Sewage Pipes Laying inside the Pit  Drilling and Sewage Pipes Laying inside the Pit  Drilling and Sewage Pipes Laying inside the Pit  Drilling and Sewage Pipes Laying inside the Pit April - August 2022  Excavation and Lateral Support Works  Excavation and Lateral Support Works November 2022  Laying of Sewage Pipe at Sha Tau Kok Road January 2023  Sewage Pipe Laying by Trenchless Method in Sha Tau Kok Town February 2023  Manhole Construction in Sha Tau Kok Town April 2023  Sewage Pipe Laying by Trenchless Method in Sha Tau Kok Town May 2023  Completion of Sleeve Pipe Installation by Trenchless Method at Access Road July 2023  Sewerage Pipe Installation at Access Road August 2023  Completion of Road Resurfacing Works at Shun Hing Street and Shun Lung Street October 2023  Construction of Remaining Sewerage Works at Verge Area near Sha Tau Kok Recreation Ground January 2024  Completion of Sewerage Works at Sha Tau Kok Town | Early 2019 – Late 2024 | Installation completed in October 2024 |
| Provision of Village Sewerage in Tong To October 2020  Non-Destructive Cable Detection Works and Trial Pit Excavation January 2021  Gravity Sewers Laying at Lo Wai September 2021  Pipe Laying by Trenchless Technique January - March 2022  Sewage Pipe Laying by Trenchless Method January - March 2022  Sewage Pipe Laying by Trenchless Method April - August 2022  Sewage Pipe Laying by Open Trenching Method  Sewage Pipe Laying by Trenchless Method September 2022  Construction of Sewerage Works in Tong To Village October 2022  Laying of Sewage Pipe in Tong To Village September 2023年  Completion of Sewerage Works at Tong To Village | Early 2020 - Late 2023 | Installation completed in September 2023 |
| Construction of the New Sha Tau Kok Sewage Treatment Works January 2021  Piling Works February 2021  Pile Loading Test March - October 2021  Excavation and Lateral Support Works  Excavation and Lateral Support Works July - October 2021  Reinforcement Fixing  Concreting Works January - March 2022  Excavation and Lateral Support Works  Excavation and Lateral Support Works January - March 2022  Excavation and Lateral Support Works April - August 2022  Concreting Works  Excavation and Lateral Support Works December 2022  Installation of Slab Segments by DfMA Method January 2023  DfMA(MEP) Fabrication Yard - Service Rack Installation in Progress March 2023  Installation of Wall Segments by DfMA Method March 2023  Inspection on DfMA Segments in Fabrication Yard in Mainland April 2023  Updating the fabrication status by Smart tag (RFID) system April 2023  DfMA(MEP) Fabrication Yard - Inspection of Pump Skid Installation May 2023  Reinforcement Fixing June 2023  Installation of MVAC Air Duct at Pump Area at New STW July 2023年  Delivery of DfMA Pump Skids to Pump Area at New STW  Installation of Wall Segments by DfMA Method August 2023  Off-site Inspection for LVSB cabinets fabrication September 2023  Assembly Work of Double-deck DfMA Service Racks at Fabrication Yard October 2023  Installation of FS Pumps in FS & Sprinkler Pump Room at New STW  Completion of Roof Slab  ABWF Works January 2024  ABWF Works February 2024  Installation of E&M Equipment at New STW March 2024  Diffuser Installation in Aerobic Tank at New STW March 2024  Skylight Installation at New STW March 2024  LVSB Temperature Rise Test April 2024  Monorail Cranes Installation  Sludge Thickener Installation May 2024  Air Blower Installation  Cabling works June 2024  Biothickling Filter Installation July 2024  Cable termination in MCC Room  Torque test for diffuser supports in the Aerobic Tank of the New STW.  Power energization in LVSB Room of the New STW August 2024  Membrane Air Header Installation August 2024  Extraction Fan Installation September 2024  Membrane Filter Installation  Testing in MCC Room October 2024  Underground pipework installation October 2024  SCADA system testing November 2024  Air Blower Testing and commissioning  Air Blower Testing and commissioning  Tile installation at New STW December 2024  Commencement of Plant Commissioning  Bioreactor Activated Sludge Transfer  SAT of FS pump of New STW  Completion of Plant Commissioning January 2025  EVA Construction February 2025  Loading test for Lift  Installation of FRP platform at New STW | Mid 2020 – Early 2025 | In Progress |
| Provision of Village Sewerage in Tsoi Yuen Kok Village September 2022  Inspection Pitting Work in Tsoi Yuen Kok Village January 2024  Provision of Village Sewerage in Tsoi Yuen Kok Village March 2024  Provision of Village Sewerage in Tsoi Yuen Kok Village | Early 2025 | Installation completed in January 2025 |
Works Progress