Upper Trishuli 1 Hydropower Project
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Environmental and Social Impact Assessment (Draft) Project Number: 49086-001 March 2018 NEP: Upper Trishuli 1 Hydropower Project Prepared by Environmental Resources Management (ERM) The environmental and social impact assessment report is a document of the borrower. The views expressed herein do not necessarily represent those of ADB's Board of Directors, Management, or staff, and may be preliminary in nature. Your attention is directed to the “Term of Use” section of this website. In preparing any country program or strategy, financing any project, or by making any designation of or reference to a particular territory or geographic area in this document, the Asian Development Bank does not intend to make any judgments as to the legal or other status of any territory or area. Non-Technical Updated Environmental and Social Impact Assessment Summary Report Public Consultation Draft Prepared for: International Finance UPPER-TRISHULI HYDROPOWER Corporation PROJECT, NEPAL March 2018 The business of sustainability -Page Intentionally Left Blank- FINAL REPORT NON-TECHNICAL UPDATED ENVIRONMENTAL AND SOCIAL IMPACT ASSESSMENT SUMMARY REPORT PUBLIC CONSULTATION DRAFT UPPER-TRISHULI HYDROPOWER PROJECT, NEPAL March 2018 For and on behalf of: Environmental Resources Management Approved by: David Blaha, Partner Signed: Date: 22 March 2018 This report has been prepared by Environmental Resources Management (ERM), with all reasonable skill, care and diligence within the terms of the Contract with the client, incorporating our General Terms and Conditions of Business and taking account of the resources devoted to it by agreement with the client. We disclaim any responsibility to the client and others in respect to any matters outside the scope of the above. This report is for the client and we accept no responsibility of whatsoever nature to third parties to whom this report, or any part thereof, is made known. Any such party relies on the report at their own risk. -Page Intentionally Left Blank- Non-Technical Updated Environmental and Social Assessment Summary Report Upper-Trishuli Hydroelectric Power Project Table of Contents TABLE OF CONTENTS ES1. Introduction ........................................................................................................... ES1 ES2. Project Description ............................................................................................... ES3 ES3. Stakeholder Engagement ..................................................................................... ES4 ES4. Key Project Risks and Management Measures .................................................. ES4 ES4.1. Effects on the Trishuli River and Aquatic Biodiversity.......................................... ES5 ES4.2. Effects on Langtang National Park and Terrestrial Biodiversity ............................ ES6 ES4.3. Effects on Project Affected People ......................................................................... ES7 ES4.3.1. Land Owners and Tenants ....................................................................... ES7 ES4.3.2. Local Villages .......................................................................................... ES8 ES4.3.3. Indigenous Peoples .................................................................................. ES8 ES4.4. Community Health and Safety ................................................................................ ES9 ES4.5. Cumulative Impacts ................................................................................................ ES9 ES5. Updated ESIA Conclusions and Recommendations ........................................ ES10 1. Introduction ......................................................................................................................... 1-1 1.1. Project History .......................................................................................................... 1-2 1.2. Need for Power ......................................................................................................... 1-4 1.3. Project Context .......................................................................................................... 1-4 2. Project Description ............................................................................................................. 2-1 2.1. Project Facilities ........................................................................................................ 2-1 2.1.1. Permanent Facilities ................................................................................... 2-1 2.1.2. Ancillary Project Facilities ........................................................................ 2-2 2.1.3. Associated Project Facilities ...................................................................... 2-7 2.1.4. Project Design Changes since Supplemental Environmental and Social Impact Assessment..................................................................................... 2-7 2.2. Project Construction and Temporary Works ............................................................ 2-8 2.2.1. Project Workforce ...................................................................................... 2-8 2.2.2. Construction Yards and Temporary Worker Camps ................................. 2-9 2.2.3. Infrastructure ............................................................................................ 2-10 2.2.4. River Diversion Works ............................................................................ 2-10 2.2.5. Quarry Sites ............................................................................................. 2-10 2.2.6. Excavation and Spoil Disposal Areas ...................................................... 2-12 2.3. Project Operations ................................................................................................... 2-14 2.3.1. Operational Facilities and Workforce ...................................................... 2-14 2.3.2. Infrastructure ............................................................................................ 2-14 2.3.3. Water Management and Operational Regime .......................................... 2-15 2.3.4. Sediment Management ............................................................................. 2-15 2.3.5. Power Generation ..................................................................................... 2-15 i Non-Technical Updated Environmental and Social Assessment Summary Report Upper-Trishuli Hydroelectric Power Project Table of Contents 3. Legislative and Regulatory Framework ........................................................................... 3-1 3.1. Overview of Regulatory Framework ........................................................................ 3-1 3.2. Nepal National Environmental and Social Legislations ........................................... 3-1 3.3. Provisions of the Project Development Agreement .................................................. 3-8 3.4. National Environmental Guidelines .......................................................................... 3-9 3.5. Project Relevant International Treaties and Conventions ....................................... 3-10 3.6. International Financial Institutions Safeguard Requirements ................................. 3-10 3.6.1. Asian Development Bank ........................................................................ 3-11 3.6.2. International Finance Corporation ........................................................... 3-14 3.7. World Bank ............................................................................................................. 3-16 3.8. Asian Infrastructure Investment Bank .................................................................... 3-16 4. Project Alternatives ............................................................................................................ 4-1 4.1. No Action Alternative ............................................................................................... 4-1 4.2. Project Location ........................................................................................................ 4-1 4.3. Project Size ............................................................................................................... 4-3 4.4. Operating Regime ..................................................................................................... 4-3 4.5. Location of Project Facilities .................................................................................... 4-3 5. Area of Influence ................................................................................................................. 5-1 5.1. Environmental AoI.................................................................................................... 5-2 5.2. Socioeconomic AoI ................................................................................................... 5-2 5.3. Cumulative Impact AoI ............................................................................................. 5-5 6. Current Environmental and Social Baseline Conditions ............................................. 6.1-1 6.1. Physical Resources................................................................................................. 6.1-1 6.1.1. Geology ................................................................................................... 6.1-1 6.1.2. Natural Disaster Risk .............................................................................. 6.1-3 6.1.3. Surface Hydrology .................................................................................