Partnering Jalur Cahaya Sdn Bhd (JCSB)

NRW Contract for Syabas in Selangor Province, Malaysia

JCSB commenced the NRW contract for Syabas in Selangor Province (7.3 million population), which includes Kuala Lumpur, in 2007. In the first two phases they established 1100 DMAs within the 12 Water Supply Districts of the Province. The contract entailed installation of meters, both DMA and supply meters, PRVs and monitoring equipment. The third phase comprises leak detection and repair in order to reduce NRW to the state government target.

The contract required a Water Distribution Management System for monitoring the Districts and DMAs, targeting and reporting on the NRW. Crowder Consulting partnered JCSB in implementing Netbase and providing consultancy services to support the contract, as follows:

  • The implementation of Netbase included mapping and loading corporate billing, SCADA and telemetry data; configuring and validating the supply and distribution network of Districts, DMAs, meters and monitoring points in the database. The nightline analysis of DMZs and the integrated water balances, based on IWA processes including ILI, were initialised in the Netbase system.
  • The specification and support of the infrastructure installation and the installation and testing of the Netbase system.
  • The technical specification and development of the reports needed in Netbase for monitoring and targeting the network and for management and regulatory reporting.
  • Providing training and support to use the Netbase system for setting up newly established DMAs, validating meter and telemetry data, ensuring operability of DMAs, reporting on leakage and targeting DMAs for detection and repair.
  • A Crowder engineer was based in JCSB offices for 8 months in order to provide technical support on project work and in using Netbase.
  • Carrying out NRW consultancy projects for the contract including; establishing the NRW targets in Districts and DMAs; determining the entry / exit levels on nightlines and the detection resources needed to achieve the Syabas target; linking Netbase to the transfer meters in the Districts and Sub – Districts (180) and initialising the top down water balance analysis in Netbase; geo-coding analysis for the whole of Syabas using Telecom data, billing, meter book data and survey data; analysis of schemes for mains replacement and pressure management as part of the capital planning process.

Comments are closed.