Environmental Impact Assessment (EIA) of Tribeni Irrigation Project, Kachankawal, Jhapa Province No: 1 Submitted To: Ministry of Forests and Environment Singhadurbar, Kathmandu Submitted Through: Ministry of Energy, Water Resources and Irrigation Singhadurbar, Kathmandu Submitted By: Study Design and Environment Section Department of Water Resources and Irrigation Jawalakhel, Lalitpur Proponent: Prepared by: Water Resources and Irrigation Environmental Works and Services P(Ltd) Development Division, New Baneshwor, Kathmandu Bhadrapur, Jhapa Ph. No. 01-4104479/80 Ph. No. 023-455628 Email:[email protected] Email:[email protected] January, 2020 TABLE OF CONTENTS LIST OF TABLES ................................................................................................................... vii LIST OF FIGURES .................................................................................................................. ix LIST OF ABBREVIATIONS AND ACRONYMS .................................................................. x sfo{sf/L ;f/f+z............................................................................................................................... xii EXECUTIVE SUMMARY ................................................................................................... xvii Information on Project ....................................................................................................... xvii Project Proponent and Consultant..................................................................................... xvii Baseline Information .......................................................................................................... xvii Environmental Impacts of the Project ................................................................................. xx Environmental Impacts Enhancement and Mitigation Measures ....................................... xx Environmental Management Plan ....................................................................................... xx Conclusion ........................................................................................................................... xxi 1.1 Name and address of the Proponent ........................................................................ 1 1.2 Name and Address of the Consultant ....................................................................... 1 1.3 Team Involved in EIA Study ....................................................................................... 1 1. NAME AND ADDRESS OF THE INDIVIDUAL OR INSTUITION PREPARING THE REPORT ........................................................................................................... 1 2.1 Background of the Proposal ...................................................................................... 3 2. SUMMARY OF THE PROPOSAL .......................................................................... 3 2.2 Objectives of the EIA Study ....................................................................................... 4 2.3 Limitations ................................................................................................................. 4 2.4 Rationale of the Study ............................................................................................... 4 2.5 Relevancy of the Proposal ......................................................................................... 5 2.6 Impact on Land use ................................................................................................... 6 2.7 Impact on the Environment, Human life and Population ......................................... 6 2.8 Damages to the Public Utilities or Infrastructures .................................................... 7 3.1 Sources of Data ......................................................................................................... 8 3. METHODOLOGY ADOPTED FOR EIA STUDY ................................................. 8 3.2 Data Collection Methodologies ................................................................................. 9 ii 3.2.1 Desk study ..................................................................................................... 9 3.2.2 Questionnaire and Checklist Preparation for Field Survey ........................ 10 3.2.3 Field Study .................................................................................................. 10 3.3 Data Analysis/ Processing ........................................................................................ 13 3.4 Impact Assessment Methods .................................................................................. 14 3.5 Public Hearing .......................................................................................................... 16 3.6 Draft Report Preparation ........................................................................................ 22 3.7 Finalization of EIA Report ........................................................................................ 23 4.1 Project Description of the Project ........................................................................... 24 4. PARTICULARS OF THE PROJECT ..................................................................... 24 4.2 Access of the Project ............................................................................................... 25 4.3 Salient Features of the Project ................................................................................ 26 4.4 Canal Components .................................................................................................. 28 4.4.1 HeadworkDesign ......................................................................................... 28 4.4.2 Intake and Canal ......................................................................................... 28 4.4.3 Other Structures ......................................................................................... 28 4.5 Construction Planning ............................................................................................. 29 4.6 Construction Requirement of the Project ............................................................... 29 4.6.1 Construction Materials and Other .............................................................. 29 4.6.2 Project Ancillary Facilities ........................................................................... 32 4.7 Project Area Delineation ......................................................................................... 36 4.7.1 Direct Impact Area (DIA) ............................................................................. 36 4.7.2 Indirect Impact Area (IIA) ........................................................................... 36 4.7.3 Zone of Influence (ZoI) ................................................................................ 37 4.8 Construction Technology ........................................................................................ 37 4.9 Resource Consumed ................................................................................................ 37 4.10 Maintenance Approach ........................................................................................... 37 4.11 Project Schedule ...................................................................................................... 38 5.1 Review of Constitution of Nepal .................................................................................... 40 5.2 Review of Plans and Policies .......................................................................................... 40 5. REVIEW OF ACTS, POLICIES, REGULATION AND GUIDELINES .............. 40 iii 5.3 Review of Acts ................................................................................................................ 46 5.4 Review of Rules and Regulations ................................................................................... 52 5.5 Review of Guidelines. Manuals and Strategy ................................................................. 54 5.6 Review of International Conventions ............................................................................. 57 5.7 Review of Standards ....................................................................................................... 58 6.1 Physical Environment ..................................................................................................... 60 6.1.1 Land use Pattern............................................................................................. 60 6.1.2 Geology and Soil Type .................................................................................... 60 6. EXISTING ENVIRONMENTAL CONDITION .................................................... 60 6.1.3 Climate ............................................................................................................ 61 6.1.4 Hydrology ....................................................................................................... 64 6.1.5 Air, Noise and Water Quality.......................................................................... 66 6.1.6 Infrastructure Situated along the alignment ................................................. 67 6.1.6 Soil Properties of Command Area .................................................................. 67 6.1.7 Average Water Table ...................................................................................... 67 6.1.8 Seismicity .......................................................................................................