WMI - Water Management International
Accueil site
Visitez le site http://www.vinci-construction.com/
Français  |  English  |  Español
Expression Graphique
SUPERVISION CONSULTANT SERVICES FOR THE EXECUTION OF A 5 YEAR NON-REVENUE WATER REDUCTION PROGRAM, THROUGH A PBC, IN NASSAU AND NEW PROVIDENCE ISLAND
Bahamas
SUPERVISION CONSULTANT SERVICES FOR THE EXECUTION OF A 5 YEAR NON-REVENUE WATER REDUCTION PROGRAM, THROUGH A PBC, IN NASSAU AND NEW PROVIDENCE ISLAND
An association of firms lead by Miya Bahamas Ltd. (MIYA), the NRW Contractor, has been contracted to reduce NRW in New Providence over a period of 10 years (from 2013 to 2022): Phase I – NRW Reduction (5 years), and; Phase II - Maintenance of NRW Reduction (5 years).
The NRW performance based contract has a total amount of 83 million USD, including 23.7 million of variable performance compensation.
The goals are the following:
• Reduce the average daily volume of NRW from 5.5 MIGD to 2.5 MIGD (20,800 m3/day to 9,500 m3/day);
• Provide 38,000 households with improved access to drinking water;
• Provide an additional 2,000 households with access to drinking water;
• Reduce the number of households that use private wells;
• Train WSC staff on techniques and processes for reducing NRW;
• Assist with improving the management of assets.

Description of WMI services


    WMI/SCE, the Technical Consultant, provided the WSC third party review of the performance of the Contractor and compared it to the terms and conditions of the NRW Contract – Phase 1.:
  • Review and recommend improvements for the Baseline Survey and NRW Reduction Strategy, the progress reports, the studies and detailed design
  • Conduct on-site field visits and works supervision;
  • Compare the Contractor’s progress to the contractual targets;
  • prepare reports every three months and every year to document the progress & note any concerns related to the Contractor’s work and performance;
  • Help the WSC’s work with the Contractor to solve any issues;
  • Participate in mid-term and final review of the NRW contract.

  • The mains topics continually monitored by WMI/SCE are the following: Logistics, Leak Detection & Repair, Pressure Transient Control & Pressure Management, Pressure Zones (PZ) & District Metering Areas (DMAs) Boundaries Control, DMA Pressure Management, Replacement of Faulty Loggers, Netbase software implementation, Maintain up to date Geographical Information System and data Analysis, Inactive Service Lines Disconnection, Selective Service Line Replacement, Selective Mains Replacement, NRW Reduction Asset Maintenance, Update and Calibrate Hydraulic Model, System Optimization, Align Meter Reading Routes to DMAs, SCADA, Trainings, Social intervention program.

Key results


  • 89 DMAs and 32 Pressure Zones installed;
  • Active leakage Control: On 7,800 miles of networks (12,500 km);
  • NRW reduction: from 5.5 MIGD to 2.5 MIGD (20,800 m3/day to 9,500 m3/day);
  • Estimated financial benefits (during the first 5-years period: about 50 Millions USD.

  • IDENTITY CARD

       Location
     
    Bahamas
       Date of award
     
    01.2013
      Date of completion
     
    12.2017
    LEGAL NOTICES   .   SITE MAP   .   WWW.VINCI-CONSTRUCTION-PROJECTS.COM