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Water loss/ Leak management

Water loss/ Leak management. JN BHAGWAN. Introduction. WRC’s activities on water loss management and efficient use was initiated in the early 80’s It is during period that foresight and strategic planning emphasised the need for water conservation and demand management.

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Water loss/ Leak management

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  1. Water loss/ Leak management JN BHAGWAN

  2. Introduction • WRC’s activities on water loss management and efficient use was initiated in the early 80’s • It is during period that foresight and strategic planning emphasised the need for water conservation and demand management. • In a paradigm of supply driven approaches and the looming sexy Lesotho Highlands project on the cards, this aspect received very little attention from the broader sector. • Against this background, the WRC persisted.

  3. What did we achieve ? • The WRC introduce a number of studies to highlight and demonstrate and quantify inefficient use. Some of these include studies to determine : • Water use in high, medium and low income areas, down to the detail of quantifying water usage for bathing, brushing teeth, flushing, washing, lawns etc. • Introduction and development of technology to detect and determine water loss or leak detection • Piloting and demonstrating these technologies • Developing guidelines and strategies for WC/WDM • Education materials on Water Conservation for households

  4. What has been the impact? • Limited application obtained over the period pre new Water Act. • Much of the knowledge gained over this period has contributed significantly to shaping the new Water Act and the Water Resources Strategy. • Data and information became important in shaping water legislation towards WC/WDM

  5. Post new water legislation Further development of the BABE concepts Development of suite of state of the art tools and guidelines SANFLOW ECONOLEAK BENCHLEAK PRESMAC South Africa regarded as leaders and concepts developed finding application internationally (USA, Australia, Far East, Africa, UN etc.) New impetus seeing greater application of research outputs in South Africa Water Loss management gaining importance and norm in the sector (JHB, Ethekweni, Cape Town, Kimberly, Odi Moretele)

  6. Results of leakage management initiatives……. Formalised the concepts of leak management Emanates in the SABS Code of Practice 0132 Adopted in the Water Services Act and Norms and Standards ( includes the use of water efficient and saving devices) Requirement in terms of the WSDPs Sector application is happening…..

  7. Babe Methodology

  8. BABE CONCEPTS

  9. Table 6: Key Performance Indicators ILI = Ratio of CARL to UARLSA average = 7.0International average = 4Ideal situation = 3 and below

  10. Way Ahead • Continue disseminate concepts and tools • Continue developing competency and capacity to achieve greater application • Huge opportunities for efficiency gains • More emphasis and importance needed at a national level • Further research into improving methods and tools to make waterloss management more effective

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