 | The Project is to improve and upgrade the Programmable Logic Controller (PLC) and Supervisory Control and Data Acquisition (SCADA) Systems of various sewage treatment facilities for Drainage Services Department (DSD). The sewage treatment plant including: – Tai Po Sewage Treatment Works – Shek Wu Hui Sewage Treatment Works – Ma Wan Sewage Treatment Works – Siu Ho Wan Sewage Treatment Works – Sha Tin Sewage Treatment Works – Stanley Sewage Treatment Works – Ngong Ping Sewage Treatment Works |