C N A 斯恩威

CHANGI WATER RECLAMATION PLANT

Owner: Public Utilities Board

Consultant: CH2M Hill

Project Description: Supply, design, installation, testing and commissioning of Facilities Control and Monitoring System

No of points: 500,000 points

Location: Changi, Singapore

The Deep Tunnel Sewerage System (DTSS)

The new conveyance, treatment and disposal system will eventually route all used water through huge tunnels under the island to two large, state-of-the-art plants located at both ends of Singapore.

Deep tunnel and link sewer will work entirely by gravity, eliminating the need for 139 pumping stations.

Improvement of Singapore 's infrastructure will result in cleaner waters around the island, a healthier environment and enhancement of Singapore 's reputation as a high-tech centre in Asia .

Changi Water Reclamation Plant

CWRP is a milestone event in the development of sanitation system in Singapore. The implementation of CWRP will transform the management of waste water in Singapore and provide high sanitation standards in Singapore for generations to come.

CNA's contracts at CWRP, totalling more than S$25 million, is one of the largest waste water control and automation systems in the world.

It involves complex SCADA (Supervisory Control and Data Acquisition) technologies and softwares, plant-wide interfaces and communications, sophisticated control strategies and computerized data management .

Systems provided by CNA at CWRP:

Programmable Logic Controllers
Field Bus Network
HMI Integration and Hardware
Computerized Maintenance Management System (CMMS)
On-line Operation and Maintenance Manual Shell
Business and Process Network Switches
Structured Cabling System comprising of plant-wide backbone and horizontal outlet
Closed Circuit Television (CCTV) surveillance system
Total Gas Suppression System
Deep Tunnel Sewerage System Level Monitoring System
Power Monitoring System
Uninterruptible Power Supply System
Integration of Fire Alarm Systems
Integration of ACMV Systems