The cost estimate is based on the price level and exchange rate as of October 2014. Exchange Rate： US$ 1 = JPY 107.09 US$ 1 = IND 60.16 IND 1 = JPY 1.78 IND: Indian Rupee TABLE OF CONTENTS LIST OF TABLES LIST OF FIGURES LIST OF PHOTOS LIST OF APPENDICES ABBREVIATIONS TABLE OF CONTENTS EXECUTIVE SUMMARY Chapter 1 Introduction ..................................................................................................................... 1-1 1.1 Introduction ............................................................................................................................................. 1-1 1.1.1 Background ...................................................................................................................................... 1-1 1.1.2 Objective of Survey ......................................................................................................................... 1-2 1.1.3 Survey Area ...................................................................................................................................... 1-2 1.1.4 Scope of Work .................................................................................................................................. 1-2 1.2 Socio-Economic Conditions in Manipur States ...................................................................................... 1-3 1.2.1 Natural Conditions ........................................................................................................................... 1-3 1.2.2 Social Conditions ............................................................................................................................. 1-7 1.2.3 Economic Conditions ....................................................................................................................... 1-8 1.2.4 Power Supply Conditions ................................................................................................................. 1-8 Chapter 2 Present Conditions of Water Supply System ................................................................. 2-1 2.1 Present Service Area and Service Population ......................................................................................... 2-1 2.2 Water Sources and Water Supply Zones ................................................................................................. 2-1 2.3 Intake Works ........................................................................................................................................... 2-4 2.3.1 Irilbung Intake Work (Mechanical Equipment) ............................................................................... 2-4 2.3.2 Ningthempukhri Intake Work (Mechanical Equipment) .................................................................. 2-4 2.3.3 Porompat Intake Work (Electrical Equipment) ................................................................................ 2-5 2.4 Water Treatment Plants ........................................................................................................................... 2-6 2.4.1 Mechanical Equipment .................................................................................................................... 2-6 2.4.2 Electrical Equipment ...................................................................................................................... 2-10 2.5 Clear Water Pumping Stations .............................................................................................................. 2-12 2.6 Clear Water Transmission Mains .......................................................................................................... 2-13 2.7 Service Reservoirs ................................................................................................................................ 2-14 (1) 2.6 Clear Water Transmission Mains .......................................................................................................... 2-13 2.7 Service Reservoirs ................................................................................................................................ 2-14 2.8 Distribution Mains ................................................................................................................................ 2-18 2.9 Pipe Failure History .............................................................................................................................. 2-26 Chapter 3 Operation and Maintenance of the Existing Water Supply Facilities ......................... 3-1 3.1 The Current O&M Organisation ............................................................................................................. 3-1 3.1.1 Maintenance Division I .................................................................................................................... 3-1 3.1.2 Maintenance Division II ................................................................................................................... 3-2 3.1.3 Project Construction Division .......................................................................................................... 3-3 3.1.4 Operation and Maintenance Division ............................................................................................... 3-3 3.2 Water Supply Records ............................................................................................................................. 3-5 3.2.1 Population Served ............................................................................................................................ 3-5 3.2.2 Water Intake Volume ........................................................................................................................ 3-6 3.2.3 Water Production Volume ................................................................................................................ 3-7 3.2.4 Water Supply Volume ....................................................................................................................... 3-9 3.3 Status of Chemical Use ......................................................................................................................... 3-12 3.4 Water Quality Examination Regime ..................................................................................................... 3-13 3.5 Result of Water Quality Survey ............................................................................................................ 3-17 3.5.1 Raw water ...................................................................................................................................... 3-19 3.5.2 Treated water .................................................................................................................................. 3-23 3.6 Operation and Maintenance Regime of Existing Facilities ................................................................... 3-25 3.7 Repair and Rehabilitation Regime of Existing Facilities ...................................................................... 3-27 3.8 Status of Water Losses .......................................................................................................................... 3-28 3.9 Present Operation and Maintenance Cost ............................................................................................. 3-29 3.10 Present Status on Utilization of Information Management System .................................................... 3-30 Chapter 4 Financial Conditions of Current Water Supply Operations ........................................ 4-1 4.1 Present Water Tariff ................................................................................................................................. 4-1 4.2 Past Water Tariff Revision ...................................................................................................................... 4-4 4.3 Consideration for Poverty in Water Tariff ............................................................................................... 4-6 4.4 Financial Information .............................................................................................................................. 4-7 4.5 Water Charge Collection System ............................................................................................................ 4-9 4.6 Collection Rate .......................................................................................................................................4-11 4.7 Non-Revenue Water Rate ...................................................................................................................... 4-12 4.8 Water Meter Connection ....................................................................................................................... 4-13 4.9 Salary System ........................................................................................................................................ 4-14 (2) 4.10 Electricity Tariff System ..................................................................................................................... 4-19 4.11 Social Condition Survey, Willingness to Pay ...................................................................................... 4-21 Chapter 5 Review of Facility Planning Proposed in DPR .............................................................. 5-1 5.1 Water Demand Projection ....................................................................................................................... 5-1 5.1.1 Planned