Irrigation Development Support Project (IDSP) Ministry of Agriculture Government of the Republic of Zambia Environmental and Social Management Plan Irrigation Development Support Project (IDSP) Remedial Works Remedial Works on Makaba Dam 2nd DRAFT 18 June, 2021 Prepared by UNOPS for the Government of the Republic of Zambia i Names of Authors This ESMP was prepared by Pilila Chongo (Environmental Specialist), Tanja Chopra (Social Specialist) and Titus Chilongo (Environmental Specialist) from UNOPS. ii Table of Contents TABLE OF CONTENTS ...................................................................................................................... III LIST OF FIGURES .................................................................................................................................................... vi LIST OF TABLES .................................................................................................................................................... vii LIST OF ACRONYMS AND ABBREVIATIONS .......................................................................................................... viii Executive Summary ............................................................................................................................................... x 1 INTRODUCTION ........................................................................................................................ 1 1.1 Project Background and Description .............................................................................................................. 1 1.2 Objectives of the ESMP ............................................................................................................................. 3 1.3 Methodology............................................................................................................................................. 3 2 POLICY, LEGAL AND INSTITUTIONAL FRAMEWORK ................................................................... 5 2.1 National Policy and Legislative Framework ............................................................................................... 6 2.2 World Bank Operational Policies ............................................................................................................. 14 2.3 World Bank Group Environment Health and Safety Guidelines ............................................................... 16 3 INSTITUTIONAL ARRANGEMENTS FOR E&S MANAGEMENT OF THE SUB-PROJECT ..................... 17 3.1 Ministries / IDSP-PIU ............................................................................................................................... 17 3.1 United Nations Office for Project Services (UNOPS) ................................................................................ 18 3.2 The Contractor and Sub-Contractors ....................................................................................................... 19 3.3 The Dam Community ............................................................................................................................... 19 4 ENVIRONMENT AND SOCIAL BASELINE CONDITIONS .............................................................. 21 4.1 Physical Conditions ................................................................................................................................. 21 4.1.1 Geology ...................................................................................................................................................... 21 4.1.2 Surface Hydrology ...................................................................................................................................... 21 4.1.3 Groundwater .............................................................................................................................................. 24 4.1.4 Surface Water and Groundwater Quality .................................................................................................. 24 4.1.5 Seismology ................................................................................................................................................. 27 4.1.6 Climate and Climate Change ...................................................................................................................... 28 4.1.7 Land Use ..................................................................................................................................................... 32 iii 4.2 Biological Conditions ............................................................................................................................... 32 4.2.2 Natural and Critical Habitats ...................................................................................................................... 38 4.2.3 Aquatic and Semi Aquatic Fauna ................................................................................................................ 38 4.2.4 Fishing Practices ......................................................................................................................................... 38 4.2.5 Ecosystem Threats ..................................................................................................................................... 39 4.3 Socio-economic Conditions ..................................................................................................................... 39 4.3.1 Social Conditions around the Dam ............................................................................................................. 39 4.3.2 Administration of Water and the Dam....................................................................................................... 40 4.3.3 Gender Equality, Gender-Based Violence and Sexual Exploitation & Abuse ............................................. 40 4.3.4 Cultural Environment ................................................................................................................................. 42 5 SUB-PROJECT CHARACTERISTICS ............................................................................................ 43 5.1 Dam Characteristics ................................................................................................................................ 43 5.2 Overall Legacy Issues of the Dam ................................................................................................................... 62 5.3 Potential Communities Affected by Works .............................................................................................. 72 5.4 Dam Safety .............................................................................................................................................. 72 6 PROPOSED REMEDIAL WORKS ................................................................................................ 74 6.1 Embankment Remedial Design ................................................................................................................ 74 6.1.1 Slope Stability ............................................................................................................................................. 74 6.1.2 Rock Toe ..................................................................................................................................................... 74 6.2 Service Spillway, Drop Structures and Training Wall ............................................................................... 76 6.2.1 Spillway ...................................................................................................................................................... 76 6.2.2 Return Channel Drop Structures ................................................................................................................ 76 6.2.3 Return Channel and Training Wall ............................................................................................................. 77 6.3 Outlets .................................................................................................................................................... 77 6.4 Construction Materials and Amenities .................................................................................................... 78 6.5 Construction Programme ........................................................................................................................ 79 6.6 Drawings List Available to the Contractor ............................................................................................... 79 7 NEW REMEDIAL WORKS RISK AND IMPACT MITIGATION PLAN .............................................. 80 7.1 General Construction Works Management Plan ...................................................................................... 81 7.2 Rehabilitation and Remediation Plan for the Previous Works’ Sites ...................................................... 110 8 CAPACITY BUILDING ............................................................................................................. 120 iv 9 STAKEHOLDER ENGAGEMENT .............................................................................................. 124 9.1 Grievance Redress Mechanism .............................................................................................................. 124 9.2 Stakeholder Participation ...................................................................................................................... 124 9.3 Stakeholder Communication Plan