Project Management Unit for Agricultural
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Environmental and Social Impact Assessment Report (ESIA) LAO CAI PEOPLE'S COMMITTEE PROJECT MANAGEMENT UNIT FOR AGRICULTURAL Public Disclosure Authorized WORKS INVESTMENT AND RURAL DEVELOPMENT VIET NAM REHABILITATION AND SAFETY Public Disclosure Authorized IMPROVEMENT PROJECT (WB8) ENVIRONMENTAL AND SOCIAL IMPACT ASSESSMENT (ESIA) LAO CAI DAM REHABILITATION AND SAFETY Public Disclosure Authorized IMPROVEMENT SUBPROJECT Public Disclosure Authorized Lao Cai, October 2018 0 Environmental and Social Impact Assessment Report (ESIA) LAO CAI PEOPLE'S COMMITTEE PROJECT MANAGEMENT UNIT FOR AGRICULTURAL WORKS INVESTMENT AND RURAL DEVELOPMENT VIET NAM REHABILITATION AND SAFETY IMPROVEMENT PROJECT (WB8) ENVIRONMENTAL AND SOCIAL IMPACT ASSESSMENT (ESIA) LAO CAI DAM REHABILITATION AND SAFETY IMPROVEMENT SUBPROJECT PROJECT OWNER CONSULTANT The Project Management Unit for Halcom VietNam Agricultural Works Investment and Rural Development of Lao Cai Province Lao Cai, October 2018 1 Environmental and Social Impact Assessment Report (ESIA) CONTENT ABBREVIATIONS ................................................................................................................................................ 5 LIST OF TABLES .................................................................................................................................................. 6 LIST OF FIGURES ................................................................................................................................................ 7 EXECUTIVE SUMMARY .................................................................................................................................. 8 CHAPTER 1. GENERAL INTRODUCTION ............................................................................................. 13 1.1 Approaches and methodology ................................................................................................. 14 1.2. Preparation of ESIA report ..................................................................................................... 17 CHAPTER 2. SUBPROJECT DESCRIPTION ........................................................................................... 18 2.1. Objectives of Subproject ........................................................................................................ 18 2.2 Geographical location of Suproject ......................................................................................... 18 2.3. Status of works and construction solutions ............................................................................ 19 2.4 Auxiliary works ....................................................................................................................... 28 2.5 The transportation distance and mobilization of vehicles, machinery and manpower for construction ................................................................................................................................... 31 2.6 Estimated activities before construction ................................................................................. 35 2.7 Material transportation plan .................................................................................................... 35 2.8 Operation and maintenance activities ..................................................................................... 35 2.9 Dam safety plan ....................................................................................................................... 35 2.10. Time and cost of implementation ......................................................................................... 37 CHAPTER 3. POLICY, LEGAL AND ADMINISTRATIVE FRAMEWORK ................................ 38 3.1. Government’s Regulations ..................................................................................................... 38 3.2. Regulations of World Bank .................................................................................................... 41 CHAPTER 4. NATURAL, SOCIO-ECONOMIC CONDITIONS AND ENVIRONMENTAL STATUS .................................................................................................................................................................. 50 4.1. Natural conditions .................................................................................................................. 50 4.1.1. Geographical locations ........................................................................................................ 50 4.1.2. Topographic and hydrographical conditions ....................................................................... 52 4.1.3. Climate ................................................................................................................................ 52 4.1.4. Extreme weather phenomenon ............................................................................................ 53 4.1.5. Biodiversity ......................................................................................................................... 54 4.2. Social and economic conditions ............................................................................................. 56 4.2.1 Occupational structure.......................................................................................................... 56 4.2.2 Income .................................................................................................................................. 57 4.2.3 Water and environment sanitation........................................................................................ 58 4.3. The technical infrastructure in the subproject area ............................................................... 61 2 Environmental and Social Impact Assessment Report (ESIA) 4.3.1. Traffic system ...................................................................................................................... 61 4.3.2. Hydrological and water supply system ............................................................................... 61 4.3.3. Communications.................................................................................................................. 62 4.3.4. Waste collection system ...................................................................................................... 62 4.4. Environmental status .............................................................................................................. 63 4.4.1 Air environment, noise and vibration ................................................................................... 63 4.4.2 Water Environment .............................................................................................................. 64 4.4.3 Soil environment .................................................................................................................. 65 4.5. Special effects and sensitive works ........................................................................................ 66 CHAPTER 5. ASSESSMENT OF ENVIRONMENTAL AND SOCIAL IMPACTS ................. 70 5.1. Types and scale of impacts..................................................................................................... 70 5.2. Environment and social positive impacts ............................................................................... 74 5.2.1. Impact on society ................................................................................................................ 74 5.2.2. Impacts on environment ...................................................................................................... 74 5.3 Potential negative environmental and social impacts ............................................................. 75 5.3.1 Preparation phase ................................................................................................................. 75 5.3.2 Impact during construction................................................................................................... 78 CHAPTER 7. ENVIRONMENTAL AND SOCIAL MANAGEMENT PLAN ............................. 105 7.1. Objectives ............................................................................................................................. 105 7.2. Mitigation measures ............................................................................................................. 105 7.2.1. Mitigation measures during the preparation phase ........................................................... 105 7.2.2. Mitigation measures during the construction phase .......................................................... 107 7.2.2.2 Mitigation measures for specific impacts on sensitive works ......................................... 123 Mitigation measures for impacts on sensitive works .................................................................. 133 7.3. Organization of implementation ........................................................................................... 134 7.2.1. Project management .......................................................................................................... 134 7.2.2. Roles and responsibilities for environmental and social safety management ................... 135 7.4. Environment compliance framework ................................................................................... 139 7.4.2.Contractors’environmentaland social safeguard staff ........................................................ 140 7.4.3 Social and environment in the construction phase ............................................................