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Job Reference

  • Yau Kom Tau Treatment Works (2000)

SCADA system modification of treatment processes, raw water inlet, filtering, desludge, chemical dosing, sludge disposal and final water to reservoir.

Water Supplies Department


  • SCADA Maintenance Contract (2000 to now)

Preventive and corrective maintenance of supervisory computers, RTUs and networks.
Total about 200 RTUs distributed around Hong Kong, Kowloon and New Territories.

Water Supplies Department


  • Tuen Mun Treatment Works (2000)

SCADA system of water treatment processes, raw water inlet, filtering, desludge, chemical dosing, sludge disposal and final water to reservoir.
Total about 2000 I/O points.

Schneider Electric
Mr. Simon Cheung (Section Manager)
Tel.: (852) 2565-0621


  • Yuen Long Plant - Reactors (Phase III) (2000)

A SCADA system replacement same as Phase I with the rest of reactors.

Eastman Chemical Hong Kong Ltd.


  • Yuen Long Plant - Maintenance (1998 to now)

Maintenance contract for the whole plant SCADA system.
Total about 900 points.

Eastman Chemical Hong Kong Ltd.


  • Yuen Long Plant - Reactors & Utilities (Phase II) (1999)

Phase I SCADA system extension to distillation reactors, under-ground tanks, filling station, waste gases, waste water treatment, cooling water, brine cooling system dryers and boiler. Detailed design included instruments specification and procurement, interlock logic design, cable schedule, loop diagrams, process description, termination details, wiring diagrams, HMIs -design and configuration, PLCs programming and debug, testing and commissioning; site instruments and electrical installation, PID loops tuning, testing and commissioning.
Total about 400 points.

Eastman Chemical Hong Kong Ltd.


  • Yuen Long Plant - Reactors (Phase I) (1998)

A SCADA system replaced original DCS for cascade temperature control, to accuracy of (1oC, of reactors, together with pressure control, motor speed control, instruments specification and procurement, detailed design included interlock logic design of pumps and valves, cable schedule, loop diagrams, process description, termination details, wiring diagrams, HMIs design and configuration, PLCs programming and debug, testing and commissioning; site instruments and electrical installation, PID loops tuning, testing and commissioning.
Total about 500 points.

Eastman Chemical Hong Kong Ltd.
Mr. Roger Lee (Facility Manager)
Tel.: (852) 2473-7146


  • Hong Kong New Airport, Chak Lap Kok (1998 to now)

Maintenance contract for the whole plant SCADA system, from jetty unloading, tank farm storage, Jet-A distribution, to bay and trucks loading; including SCADA and instruments maintenance.
Total about 1000 points.

The New Hong Kong Airport Aviation Fuel Supply Facility (AFSC)
Mr. K. K. Lee
Tel.: (852) 2988-6123


  • MTK Plant - N5, N6 SCADA (1998)

Specialist design, PLC programming, HMI design and installation of SCADA system for the naphtha reformation reactors, such that valves, reactors, combustion chambers, levels, flow rates can be monitored, controlled automatically with safety interlock, alarms, data and activities logged.
Detailed design and installation included:
* instruments sizing, specification and procurement,
* loop diagrams,
* cable schedule,
* ladder diagrams for PLC, and
* wiring diagrams,
* instruments installation, cable routing,
* loop testing and commissioning.
Total about 800 points.

Hong Kong and China Gas Co., Ltd.
Mr. Anthony K. M. Tam (Manager - Operation)
Tel.: (852) 2765-5282


  • Water Treatment Works, Pump Stations, Reservoirs (1997 to now)

Installation and modification of several control systems:
* KIOS RTUs installation.
* Pumps control modification.
* Variable speed drives installation and configuration.
* HMI and PLC modification for chlorination and booster pumps of Au Tau Treatment Works.
* Clarifiers control modification: panel design, wiring, fabrication and installation, PLC programming.

Water Supplies Department of the Hong Kong SAR
Mr. Chan Yu Hung
Tel.: (852) 2339-3590


  • Plating Plant of Hong Kong Aircraft Engineering Company Limited (HAECO) (1997)

Electrical and control panels design, procurement, fabrication and installation, including maximum 1600A power, relays, contactors and PLC cabinets.
Total about 15 cabinets.

Uyemura - Solar Co., Ltd.
Mr. Pao Cho Yiu (Engineer)
Tel.: (852) 2414-4251


  • Tsing Yi Plant - Lube Oil Plant (1997)

SCADA system design, PLC programming, HMI and communication networks configuration, installation, commissioning and instrumentation for the Lube Oil Plant, such that each products can be automatically mixed according to pre-described ingredients. Tanks storage levels, pump status, mixing time, alarms, trends and etc can be controlled through the SCADA system.
Total about 400 points.

Caltex Companies (Greater China) Ltd.


  • Tsing Yi Plant - In-line Blender (1997)

SCADA system design, PLC programming, HMI and communication networks configuration, installation and commissioning for the in-line blender. Gas oil and fuel oil can be automatically blended according with pre-setted flow rate and quantities, from tanks to barges.
Total about 100 points.

Caltex Companies (Greater China) Ltd.
Mr. C. K. Law (Engineer)
Tel.: (852) 2431-2423


  • Huang Bu Plant (1997)

Electrical and control panels design, specification, procurement and installation, including power, relays, contactors and PLC cabinets. Total about 15 panels and cabinets.

Dow Chemical Limited


  • Tsing Yi Plant (1995)

Instrumentation and control specialist on plant installation, including:
* loop diagrams,
* cable schedule,
* P&IDs,
* instruments sizing, specification and procurement,
* wiring diagrams,
* instruments installation,
* control room panels wiring,
* cable routing,
* loop testing, and commissioning.
Total about 2000 points.

Dow Chemical Limited
Mr. Alex Yeung (Engineer)
Tel.: (852) 2431-3337


  • San Miguel (Yuen Long) Plant - Installation (1996)

Electrical and instrumentation installation, cable routing, wiring, loop testing, and commissioning.

Clough Bells
Mr. Gary Hearson (Electrical & Instrumentation Superintendent)
Tel.: (852) 2472-0288


  • Yuen Long Plant - Maintenance (1995 to now)

Maintenance for control and instrumentation systems.
Total about 2000 points.

Hong Kong Petrochemical Co., Ltd.


  • Yuen Long Plant - Silo (1997)

GPPS and HIPS silo SCADA system design, PLC programming, HMI configuration and installation for air-veying, transfer and storage of plastic materials, to replace original DCS. Under the SCADA system, valves, blowers, levels, motors current, temperature, flow rates and etc can be monitored and controlled together with alarms and trends. After that, the processes are automatically run with safety interlocks. While the original instruments and wires were retained to tie in to the new system.
Total about 500 points.

Hong Kong Petrochemical Co., Ltd.


  • Lok On Pai Plant - Tank Farm (1996)

SCADA system for styrene monomer storage facility: design, PLC programming, HMI configuration and installation to replace original DCS (distribution control system). From tanks storage to trucks loading.
Total about 300 points.

Hong Kong Petrochemical Co., Ltd.


  • Yuen Long Plant - GPPS and HIPS (1995)

Instrumentation and system specialist on de-bottlenecking of the plants: instrument calculation, sizing and specification, procurement, detailed designs, cable routing, installation, loop testing and commissioning.
Detailed design included:
* loop diagrams,
* termination details,
* instruments sizing and specification,
* P&IDs, and
* wiring diagrams.

Hong Kong Petrochemical Co., Ltd.
Mr. Eddie Wong (Plant Manager)
Tel.: (852) 2802-4860


  • Tsing Yi Depot - Fuel Oil (1998)

Fuel oil storage and distribution modification of tank farm, barge loading and unloading, including:
* loop diagrams,
* termination details,
* P&IDs,
* functional logic diagrams,
* wiring diagrams,
* instruments installation and calibration,
* control room panels wiring,
* cable routing,
* loop testing, and commissioning.

Shell Companies in Greater China


  • Tsing Yi Depot - Lube Oil Plant (1997)

ASAR (automatic saving and retrieving) SCADA system design, PLC programming, HMI configuration and installation. The ASAR has 50x12x3=3600 cells, and parts can be stored and retrieved at each cells automatically.
Total about 200 points.

Shell Companies in Greater China


  • Tsing Yi Depot - Main Jetty (1997)

Jet-A marine tankers back loading modification, including:
* loop diagrams,
* termination details,
* P&IDs,
* functional logic diagrams,
* wiring diagrams,
* instruments installation and calibration,
* control room panels wiring,
* cable routing,
* loop testing, and commissioning.

Shell Companies in Greater China


  • Tsing Yi Depot - Barge Jetty (1997)

Gas oil loading modification, including:
* loop diagrams,
* termination details,
* P&IDs,
* functional logic diagrams,
* wiring diagrams,
* instruments installation and calibration,
* control room panels wiring,
* cable routing,
* loop testing, and commissioning.

Shell Companies in Greater China


  • Tsing Yi Depot - VRU (1996)

Specialist contract for control and automation system installation of Vapor Recovering Unit (VRU), including: 
* loop diagrams,
* termination details,
* wiring diagrams,
* instruments installation and calibration,
* wiring and cable routing,
* loop testing, and commissioning.

Shell Companies in Greater China


  • Tsing Yi Depot - Maintenance (1995 to now)

Automation control maintenance contract, including instruments, supervisory computer, RTUs (remote terminal units), safeguarding and control systems maintenance, including instruments calibration, preventive and corrective maintenance. Total about 2000 points.

Shell Companies in Greater China


  • Tsing Yi Depot - Gas Oil Modification (1995)

Instrumentation specialist contract for existing control system modification, detailed design, installation, cable routing, loop testing and commissioning: trucks, barge loading, tank farm and distribution system. detailed design included: loop diagrams, terminal details, P&IDs (piping and instrument diagrams), and wiring diagrams.

Shell Companies in Greater China
Mr. Gary Chan (Senior Engineer)
Tel. : (852) 2432-8737


  • Back Point - Maintenance (1995 to now)

The China Light Power Co., Ltd. Natural gas receiving station electrical and instrumentation maintenance contract.

Arco China Inc.


  • Back Point - Natural Gas Receiving Station (1995)

Electrical and instrumentation installation of the receiving station from Hoinan to Hong Kong. The station is used for electricity generation of The China Light Power Co. Ltd.

Arco China Inc.
Mr. Martin Barclay
(Resident construction manager)
Tel. : (852) 2472-0092

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