Table of Content
Foreword
Preface
Executive Summary
Table of Contents (i)
List of Figures (iv)
List of Tables (vi)
Abbreviations (vii)
Chapter 1: Introduction 1-7
1.1 The Concept of Decentralised Urban Water Supply System 1
1.2 Present Status of Water Supply in India 1
1.3 Disadvantages of Intermittent Water Supply 2
1.4 Reasons for Intermittent Water Supply 3
1.5 Shifting from Intermittent to 24x7 Water Supply 4
1.6 Need of the Guidelines 4
1.7 Planning and Design 5
1.7.1 Conversion of Intermittent to 24x7 Water
Supply System 5
1.7.2 Strategy 5
1.8 Activity Chart for Change of Mode 6
1.9 Outcomes 7
1.10 Cost of Conversion 7
Chapter 2: Design Parameters 8-26
2.1 Data for Design 8
2.1.1 General Data 8
2.1.2 Collection of Available Data 8
2.2 GIS Mapping 9
2.3 Customer’s Underground Tank 9
2.4 Break Pressure Tank and Master Balancing Reservoir 9
Chapter 3: Hydraulic Model 27-33
3.1 Hydraulic Modelling 27
3.2 Requirement of Hydraulic Model 27
3.3 Happening Inside Hydraulic Model 27
3.4 Integration of GIS with Hydraulic Mode 28
3.4.1 Creation of GIS Base Map and Existing 28
Infrastructure
3.4.1.1 Creation of Base Map 28
3.4.1.2 Locating Existing Infrastructure on Base Map 29
3.4.2 Network Software Component 30
3.5 Building a Model 30
3.5.1 Combining Existing and New Pipes 31
3.5.2 Assigning Elevations and Demand to Nodes 31
3.5.3 New Reservoirs 31
3.6 Creating Operational Zones and DMA 31
3.7 Adding Isolation Valves 31
3.8 Scenario Management 32
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