MINISTRY OF HEALTH, LABOR AND WELFARE PROJECT TO PROVIDE PLANNING GUIDANCE FOR THE WATER SUPPLY PROJECT (PHASE-2) PROJECT FOR IMPROVEMENT OF WATER SUPPLY SYSTEM IN VAVA’U, THE KINGDOM OF TONGA FINAL REPORT MARCH 2020 NJS CONSULTANTS CO., LTD. PROJECT TO PROVIDE PLANNING GUIDANCE FOR THE WATER SUPPLY PROJECT (PHASE-2) PROJECT FOR IMPROVEMENT OF WATER SUPPLY SYSTEM IN VAVA’U, THE KINGDOM OF TONGA FINAL REPORT SUMMARY BASIC INDICATORS LOCATION MAP PHOTOS ABBREVIATIONS Contents Chapter 1 Introduction ............................................................................................................................... 1-1 1.1 Background and Purpose of the Survey ........................................................................................... 1-1 1.1.1 Background ............................................................................................................................... 1-1 1.1.2 Purpose ...................................................................................................................................... 1-1 1.2 Schedule and Contents of the Survey .............................................................................................. 1-2 1.3 Survey Team .................................................................................................................................... 1-3 Chapter 2 Findings on the Current Situation on the Project ...................................................................... 2-1 2.1 Outline of the Country and the Project Area .................................................................................... 2-1 2.2 Current Situation and Issues on the Water Supply of the Country ................................................... 2-2 2.2.1 Current Situation on the Water Supply Sector (National Level) ............................................... 2-2 2.2.2 Issues on Water Supply (National Level) .................................................................................. 2-4 2.2.3 Hygiene-related Issues and Waterborne Diseases (National Level).......................................... 2-6 2.2.4 Current Situation of Water Supply (Project Area)..................................................................... 2-6 2.2.5 Issues on Water Supply (Project Area) ...................................................................................... 2-8 2.2.6 Hygiene-related Issues and Waterborne Diseases (Project Area) ........................................... 2-16 2.2.7 Others ...................................................................................................................................... 2-16 2.3 Relevant Plans ................................................................................................................................ 2-18 2.3.1 Outline of Development Plan .................................................................................................. 2-18 2.3.2 Upper Level Plans and Relevant Plans of the Project ............................................................. 2-18 2.3.3 Urgency and Priority of the Project ........................................................................................ 2-19 2.3.4 Possible Multiple Projects ....................................................................................................... 2-19 2.3.5 Information of Relevant Sectors ............................................................................................. 2-19 2.4 Relevant and Implementation Agencies ......................................................................................... 2-20 2.4.1 Relevant Agencies ................................................................................................................... 2-20 2.4.2 Organization of Implementation Agency ................................................................................ 2-21 2.4.3 Vision / Mission of Implementation Agency .......................................................................... 2-22 2.5 Japan’s Assistance to the Kingdom ................................................................................................ 2-22 2.5.1 History of Assistance of Japan ................................................................................................ 2-22 2.5.2 History of Technical Cooperation ........................................................................................... 2-24 2.5.3 Opinions of Recipient Country or Agency on Technical Cooperation .................................... 2-25 2.6 Assistance by Third Party’s Countries / International Donors ....................................................... 2-25 2.6.1 History of Assistance Related to the Project ........................................................................... 2 - 2 5 2.6.2 Existence of Request to the Project by International Donors ................................................. 2-26 2.6.3 Consistency with Japanese Aid Policy (e.g. Aid Policies for Each Country and Water and Sanitation Broad Partnership Initiative) ........................................................................................... 2-26 2.6.4 Necessity of the Project’s Linkage with Third Party Countries / International Donors .......... 2-27 2.6.5 Interest of Third Party’s Countries / International Donors to implementation of the Project . 2-27 Chapter 3 Outline of the Project ................................................................................................................ 3-1 3.1 Approach to Solve Issues ................................................................................................................. 3-1 3.1.1 Relation with Issues on Water Supply (National Level) ........................................................... 3-1 3.1.2 Current Situation and Issues on Water Supply (Project Area), and Relation of the Project with them ................................................................................................................................................... 3-1 3.1.3 Scope of the Project .................................................................................................................. 3-2 3.1.4 Scheme of Implementation of the Project ................................................................................. 3-2 3.1.5 Implementation Schedule of the Project ................................................................................... 3-2 3.2 Objective of the Project ................................................................................................................... 3-3 3.2.1 Short-term Objective of the Project .......................................................................................... 3-3 3.2.2 Medium- and Long-term Objective of the Project .................................................................... 3-3 3.3 Contents of the Project ..................................................................................................................... 3-3 3.3.1 Outline of the Project ................................................................................................................ 3-3 3.3.2 Contents, Scale and Quantity of the Project.............................................................................. 3-4 3.3.3 Dispatch of Experts, Contents, Scale and Quantity of Materials and Equipment ................... 3-15 3.3.4 Rough Estimate of the Project Cost ........................................................................................ 3-17 3.4 Condition of the Project Site .......................................................................................................... 3-18 3.4.1 Location (Land Acquisition, Land Use, Pollution Sources, etc.) ............................................ 3-18 3.4.2 Natural Condition .................................................................................................................... 3-21 3.4.3 Transportation ......................................................................................................................... 3-26 3.4.4 Electric Power Supply / Telecommunication .......................................................................... 3-27 3.4.5 Security ................................................................................................................................... 3-27 3.4.6 Others ...................................................................................................................................... 3-27 Chapter 4 Effects and Impacts of the Project ............................................................................................. 4-1 4.1 Effects of the Project ........................................................................................................................ 4-1 4.1.1 Expected Improvement Level on the Current Situation in Water Supply ................................. 4-1 4.1.2 Expected Solution Level for the Issues on Water Supply ......................................................... 4-1 4.1.3 Expected Solution Level for Hygiene-related Issues and Waterborne Diseases ....................... 4-2 4.2 Impact of the Project ........................................................................................................................ 4-2 4.2.1 Political Impact ......................................................................................................................... 4-2 4.2.2 Social Impact ...........................................................................................................................