The company was focus on PLC base infrastructure automation project, primarily using Allen-Bradley / Rockwell PLC and SCADA software. It was also the distributor of GE's Automation products.My team had been involved in one key project: the SCADA system for HKSAR Gov't Drainage Service Department (DSD) TaiPo sewerage treatment work Stage 5 . Chevalier was the main contractor of the project (Gov't contract DE/2004/05). The project was a major upscaling of the 20+ yr plant plus retrofitting various older system.Key information of the project: 7 sets of Allen-Bradley ControlLogix (1756L55 + 1757SRM + redundant ControlNet) hot-standby PLC units plus GE iFix HMI (it was v4), historian server and web-base HIM ( to be continued...)