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Water Supply Advisory - 6

The document outlines various strategies for optimizing energy costs in water management systems, including methods for reducing non-revenue water (NRW) and implementing effective leak detection and repair programs. It also includes case studies of 24x7 water supply systems in different cities and appendices detailing pressure management measures. The content is structured into chapters and appendices, providing a comprehensive overview of water supply optimization techniques.

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anirban das
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19 views1 page

Water Supply Advisory - 6

The document outlines various strategies for optimizing energy costs in water management systems, including methods for reducing non-revenue water (NRW) and implementing effective leak detection and repair programs. It also includes case studies of 24x7 water supply systems in different cities and appendices detailing pressure management measures. The content is structured into chapters and appendices, providing a comprehensive overview of water supply optimization techniques.

Uploaded by

anirban das
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
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Download as PDF, TXT or read online on Scribd
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6.

6 Optimisation of Energy Cost by Optimization of LSL of MBR 59


6.7 Optimisation of Energy Cost by Inlet-Outlet at Bottom of MBR 61
6.7.1 Level of Bottom of MBR For Optimization 61
of Energy Cost
6.8 Equalisation of Residual Heads at FSL of All ESRs 62
6.8.1 Moving Node Method 62
6.8.2 Design of Branched Pumping Main – Optimization 64
of Diameters
6.9 Surge Protection for Transmission Mains 65

Chapter 7: Reduction of NRW 66-73


7.1 Reducing Non-Revenue Water 66
7.2 Impacts of NRW 66
7.3 Water Audit 67
7.4 Water Balance 67
7.4.1 Components of Water Balance 68
7.5 Computation of NRW by STEP Test 69
7.6 Methods for Reducing Unaccounted for Water (UfW) 69
7.6.1 By 100% Consumer Metering and Telescopic 69
Tariff
7.6.2 Leak Detection 69
7.6.2.1 Methods of Leak Detection 69
7.7 Leakage Reduction Measures 70
7.8 Response Time 71
7.9 Estimating Losses 71
7.9.1 Estimating Physical Losses 71
7.9.2 Estimating Commercial Loss 72
7.10 Leak Repair Program 72
7.11 SCADA Attached to DMA 73
7.12 DMA management 73

Appendix A: Break Pressure Tank (BPT) 74

Appendix B: Case Study of Pune 24x7 Water Supply 78

Appendix C: Case Study of Coimbatore 24x7 Water Supply 81

Appendix D: Case Study of Puri 24x7 Water Supply 84

Appendix E: Measures to Increase Residual Nodal Pressure 100

Appendix F: Information of Pressure in Other Countries 103

Bibliography 104

iii

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