Environmental and Social Impact Assessment Report (ESIA)
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MINISTRY OF AGRICULTURE AND RURAL DEVELOPMENT IRRIGATION PROJECTS CENTRAL PROJECT OFFICE REPORT ON ENVIRONMENTAL AND SOCIAL IMPACT ASSESSMENT (ESIA) (Final) MEKONG DELTA INTEGRATED CLIMATE RESILIENCE AND SUSTAINABLE LIVELIHOODS PROJECT (ICRSL) SUBPROJECT 1: ADDRESSING COAST AND RIVERBANK EROSION IN MEKONG DELTA HANOI - JULY 2020 i MINISTRY OF AGRICULTURE AND RURAL DEVELOPMENT IRRIGATION PROJECTS CENTRAL PROJECT OFFICE -------------***------------- REPORT ON ENVIRONMENTAL AND SOCIAL IMPACT ASSESSMENT (ESIA) (Final) MEKONG DELTA INTEGRATED CLIMATE RESILIENCE AND SUSTAINABLE LIVELIHOODS PROJECT (ICRSL) SUBPROJECT 1: ADDRESSING COAST AND RIVERBANK EROSION IN MEKONG DELTA PROJECT OWNER CONSULTANCY AGENCY HANOI - JULY 2020 ii TABLE OF CONTENTS ABBREVIATIONS ................................................................................................................ viii LIST OF TABLES ................................................................................................................... ix LIST OF FIGURES ............................................................................................................... xiii EXECUTIVE SUMMARY ...................................................................................................... 1 INTRODUCTION .................................................................................................................... 6 1. SUBPROJECT BACKGROUND ................................................................................... 6 2. AUTHORIZED AGENCIES OR ORGANIZATIONS TO APPROVE SUBPROJECT FEASIBILITY STUDY OR INVESTMENT REPORT OR EQUIVALENT DOCUMENTS .............................................................................................. 7 3. LEGAL FRAMEWORK FOR ESIA DEVELOPMENT ............................................. 8 3.1. Relevant national laws and regulations of Vietnam .............................................. 8 3.1.1. Legal environmental documents, regulations, standards and technical guidelines as a basis for the Subproject’s ESIA implementation and of ESIA report preparation ..... 8 3.1.2. Legal documents, decisions and official letters of relating authorities on the project 10 3.1.3. Documents and data of the project owner to be used in the process of environmental impact assessment .................................................................................... 11 3.2. Applicable WB’s Safeguard Policies ..................................................................... 11 4. ORGANIZATION OF ESIA ......................................................................................... 13 5. METHODOLOGIES AND APPROACHES ............................................................... 15 5.1. ESIA methods ......................................................................................................... 15 5.1.1. Rapid assessment method ..................................................................................... 15 5.1.2. Impact identification method ................................................................................ 15 5.1.3. Mapping method ................................................................................................... 15 5.1.4. Impact matrix method ........................................................................................... 15 5.1.5. Mathematical modeling method ........................................................................... 16 5.1.6. Household surveys ................................................................................................ 16 5.1.7. Focus group discussion and public consultation ................................................. 16 5.2. Other methods ........................................................................................................ 17 5.2.1. Data inheritance, collection, summary and analysis method ............................... 17 5.2.2. Review of secondary data ..................................................................................... 17 5.2.3. Field survey method.............................................................................................. 17 5.2.4. Field observation .................................................................................................. 17 5.2.5. Comparison method .............................................................................................. 18 5.2.6. Expert consultation method .................................................................................. 18 5.2.7. Samples taking and analyzing methods ................................................................ 18 CHAPTER 1. SUBPROJECT DESCRIPTION ................................................................... 23 1.1. SUBPROJECT OWNER ....................................................................................... 23 1.2. SUBPROJECT NAME .......................................................................................... 23 iii 1.3. SUBPROJECT LOCATION ................................................................................. 23 1.3.1. Geographical location of Hau river anti-erosion embankment, Chau Phong commune section .............................................................................................................. 24 1.3.2. Geographical location of Hau river anti-erosion embankment, Ton Duc Thang bridge - Rach Dung section, Long Xuyen city, An Giang province ................................ 25 1.3.3. Geographical location of Xeo Nhau wavebreaker, An Minh district, Kien Giang province ............................................................................................................................ 26 1.3.4. Vam Xoay estuary wavebreaker, Ca Mau province ............................................. 26 1.3.5. Wavebreaker, in Ho Gui area, Ca Mau province ................................................. 27 1.4. SCOPE OF SUBPROJECT INVESTMENT ....................................................... 28 1.4.1. Objectives and tasks of the subproject 1 .............................................................. 28 1.4.2. Quantity and scale of the project’s work-items .................................................... 29 1.5. CONSTRUCTION ORGANIZATION MEASURES, CONSTRUCTION TECHNOLOGY OF THE SUBPROJECT ITEMS ........................................................ 35 1.5.1. Construction measure of River embankment in Chau Phong and Rach Dung areas in An Giang province ....................................................................................................... 35 1.5.2. Construction measure of breakwater in Xeo Nhau areas in Kien Giang province and in Ca Mau province.................................................................................................... 36 1.6. LIST OF MACHINERY AND EQUIPMENT ..................................................... 40 1.7. IMPACT AREAS ................................................................................................... 41 1.7.1. Closest Natural Habitat/Conservation Area in the project area ............................ 42 1.7.2. Sensitive receptors in the project area .................................................................. 45 1.8. DEMAND AND SOURCE OF CONSTRUCTION MATERIALS ................... 56 1.8.1. River anti-erosion embankment in Chau Phong and Kien Giang-Long Xuyen canal in An Giang province .............................................................................................. 56 1.8.2. Wavebreakers in Xeo Nhau area, Kien Giang province ....................................... 57 1.8.3. Wavebreakers in Vam Xoay and Ho Gui area in Ca Mau province..................... 58 1.9. DISPOSAL SITES AND TRANSPORTATION ROUTES ................................ 60 1.9.1. Transportation of construction materials .............................................................. 60 1.9.2. Transport of excavated soil .................................................................................. 63 1.10. INVESTMENT COST AND TIME SCHEDULE ............................................... 64 1.10.1. ODA loan .......................................................................................................... 64 1.10.2. Reciprocal capital of the Vietnamese Government .......................................... 64 1.10.3. Capital raising plan ........................................................................................... 64 1.10.4. Investment progress .......................................................................................... 65 1.10.5. Estimated investment divergence ..................................................................... 65 1.11. PROGRESS OF INVESTMENT .......................................................................... 65 CHAPTER 2. NATURAL, ENVIRONMENTAL AND SOCIO-ECONOMIC CONDITIONS IN THE SUBPROJECT AREA .................................................................. 66 2.1. NATURAL CONDITIONS .................................................................................... 66 2.1.1. Geographic location, topographic conditions, geomorphological condition: ...... 66 2.1.2. Geological and hydrogeological conditions of work ............................................ 67 2.1.3. Weather and meteorology conditions ................................................................... 70 2.1.4. Hydrological, marine and tidal conditions ........................................................... 72 iv 2.1.5. Land resources and current land use status .......................................................... 75 2.1.6.