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W.M.I. - Water Management International

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  3. Commercial and technical performance improvement of the water supply system

Commercial and technical performance improvement of the water supply system

Improving the Jamaican water supply network for stage 1: Laying of 6 km of DN600 pipes, upgrading 2 water-treatment stations (Sea View : 91,000 m3/d and Constant Spring : 191,000 m3/d), building of 2 storage tanks of 800 m3, laying of 40 km of galvanized pipes (DN 50, 80, 150 et 200).​

The project is part of the contract of 50 millions € leaded by VINCI Construction Grands Projets in consortium with WMI.​

The project aims are : ​

  • refurbishing the main production and distribution facilities of the NWC in the Kingston Metropolitain Area
  • increase the revenue of the NWC by doing a selective replacement of the utility’s domestic water meters
  • technical improvement of several water supply networks (Kitson, Stony Hill, Ocho rios)
  • Project execution dates
    from April 2010 to May 2012
  • Localization
    Jamaica
  • Expertise domains
    • Commercial optimization
    • Technical optimization
Description of the WMI service
  • Procurement of leak detection, flow and pressure measurement equipment, water meters loggers and water meters test bench (DN15 – DN50)
  • Installing 69,000 domestic water meters 5/8”
  • Installing 1,100 domestic water meters 1”
  • Hydraulic sectorization​
  • Re-establishment of 24-hours service​
  • Pressure regulation
  • Leak detection
  • Evaluation of the commercial performance
Key Results
  • ​From 7.3 to 14.3
    m3/day​: increase of the billed volume of water
  • Achievement of performance target: 96,9%​
  • 7,7 M€
    Increase of the annual revenue for NWC after subtraction of the costs of meters maintenance and replacement
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