Case studies

Delhi Jal Board – Central Monitoring System

For effective management of the water supply and sewerage in the NCT of Delhi, the Delhi Government reconstituted the Delhi water supply and sewage disposal undertaking into the Delhi Jal Board (DJB), with the Chief Minister of NCT as Chairman of the Board. 

The DJB is responsible for water resources management, monitoring the pollution of water and the treatment and supply of potable water. Wastewater collection, conveyance, treatment and disposal facilities are also the responsibility of DJB. 

DJB is responsible for providing water supply to over 17 million people in the National Capital Territory (NCT) which covers an area of about 1500 sq kms. The total quantity of water supplied to the city is about 3000 million liters of water per day. There are 9 Water Treatment Plants (WTPs) which receive raw water from different sources and treat them to drinking quality. 

At each WTP, Clear water pumping stations are installed which transmit the water produced at the WTPs to approximately 120 Nos of Distribution Centers spread over the city. Each Distribution Center consists of an Underground Reservoir (UGR) and a booster pumping station and is responsible for water distribution to the consumers in its Command Area. 

The UGRs receive water from the WTPs and the water is pumped to the distribution network in the Command Areas by the booster pumps at the Distribution Centers. The water supply is intermittent and the supply hours to consumers are limited. 

Measuring instruments such as flow meters and pressure meters have been installed at various locations in the water supply network. The readings are available locally which are being used for day-to-day operations of the water works. 

Outcomes of the project
The establishment of the Centralized Monitoring Station will result in accurate and automated data on lpcd, non revenue water, continuity and pressure data, energy consumed and water quality. The information available will constitute a decision support system to ensure optimal service levels across divisions, result in reduction of physical losses and maintenance of uniform pressure.


Cost Saving Benefit

The CMS would effectively monitor and controls the activity of water systems from a single location. Immediate detection of problems through diagnostic displays will enable quick intervention for fast resolution. Operators can easily compensate for seasonal flow and wet weather by automatically adjusting set points. Centralized control and monitoring of distribution and collection system will provide data for water modeling and energy use optimization, as well as predictive maintenance of distributed equipment.

Increased reliability: 

CMS system design is centered on reliability, ensuring constant communication from the server to the remote terminal units/ Intelligent Devices. The system will have configuration to support fail safe design for round the clock monitoring and control with complete bumpless automatic fail-over should a fault occur. Dual communication link will provide an additional level of increased reliability.