Responsible for executing a control and communication infrastructure upgrade at two locations: Nei Kwu Correctional Institution Sewage Treatment Plant and Hei Ling Chau Oxidation Ditch Plant, capable of upgrading legacy system, providing comprehensive technical support, installation, and custom programming.

Established a centralized gateway tier and a redundant server architecture, transitioning the network from a fragmented data-acquisition setup into a highly resilient system without disrupting active operations.

established a synchronized redundant server cluster and a unified data highway, providing real-time telemetry and advanced historical process analytics under a continuous-operation environment.

Replacing 49 sets of actuators and air valves at the Tai Po Sewage Treatment Works

DSD supply & install new wireless long-distance network communication system