43524-014: Kathmandu Valley Wastewater Management Project
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Initial Environmental Examination Document stage: Updated Number: 43524-014 March 2020 NEP: Kathmandu Valley Wastewater Management Project – Core Area Sewer Network of Lalitpur Metropolitan City (SN-03) Prepared by the Project Implementation Directorate, Kathmandu Upatyaka Khanepani Limited, Ministry of Water Supply, Government of Nepal for the Asian Development Bank. This initial environmental examination 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 “terms 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, ADB does not intend to make any judgments as to the legal or other status of any territory or area. Initial Environmental Examination, Vol. I March 2020 NEP: Kathmandu Valley Wastewater Management Project L-3000 Core Area Sewer Network of Lalitpur Metropolitan City Prepared by the Project Implementation Directorate, Kathmandu Upatyaka Khanepani Limited, Ministry of Water Supply, Government of Nepal for the Asian Development Bank i Initial Environmental Examination (IEE) of SN-03 CURRENCY EQUIVALENTS (as of March 2020) Currency unit - Nepalese rupee (NRs/NRe) $1.00 = NRs 116.91 In this report, "$" refers to US dollars. ABBREVIATIONS ADB Asian Development Bank CASSC Community Awareness and Social Safeguard Consultant CBS Central Bureau of Statistics CEMP Construction Environmental Management Plan CITES Convention of International Trade in Endangered Species of Wild Fauna and Flora DSC Design and Supervision Consultant EHS Environment Health and Safety EIA Environmental Impact Assessment EMP Environmental Management Plan EPA Environment Protection Act EPR Environment Protection Rules ERP Emergency Response Plan HH Household HIA Heritage Impact Assessment HPCIDBC High Powered Committee for Integrated Development of Bagmati Civilization IDA International Development Assistance IEC information, education and communication IEE Initial Environmental Examination IFC International Finance Corporation KUKL Kathmandu Upatyaka Khanepani Limited Kathmandu LMC Lalitpur Metropolitan City LPG liquefied petroleum gas MoFE Ministry of Forests and Environment MoWS Ministry of Water Supply MWSP Melamchi Water Supply Project NEA Nepal Electricity Authority NGO Nongovernment organization NTC Nepal Telecommunication OHS Occupational Health and Safety PCR Physical Cultural Resource PD Project Director PID Project Implementation Directorate PIU Project Implementation Unit PPE Personal Protective Equipment PPTA Project Preparatory Technical Assistance REA Rapid Environmental Assessment ii Initial Environmental Examination (IEE) of SN-03 RP Resettlement Plan SPS Safeguards Policy Statement TIC Tole Improvement Committee KVWMP Kathmandu Valley Wastewater Management Project KVWSMB Kathmandu Valley Water Supply Management Board WEIGHTS AND MEASURES cm - centimetre db - decibels ha - hectare km - kilometre km2 - square kilometre l - litre m - meter m2 - square meter m3 - cubic meter mg/l - milligrams per litre ml - millilitre MLD - million litres per day, mega litres per day (1 mega litre = 1000m3) mm - millimetre |jg/m3 - micrograms per cubic meter 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, ADB does not intend to make any judgments as to the legal or other status of any territory or area. This initial environmental examination 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. iii Initial Environmental Examination (IEE) of SN-03 TABLE OF CONTENTS I. INTRODUCTION ..................................................................................................................... 1 A. PURPOSE OF THE PROJECT ............................................................................................................... 1 B. PURPOSE OF THE IEE REPORT ........................................................................................................... 2 C. BASIS AND SCOPE OF THE IEE ........................................................................................................... 2 II. POLICY, LEGAL, AND ADMINISTRATIVE FRAMEWORK ............................................................ 4 A. ADB POLICY .................................................................................................................................. 4 B. NATIONAL POLICY, ACT, RULE AND REGULATION ............................................................................... 10 C. INTERNATIONAL AGGREMENTS AND CONVENTIONS ............................................................................ 13 D. APPLICABLE ENVIRONMENT STANDARDS .......................................................................................... 13 E. NATIONAL LEGAL REQUIREMENTS ................................................................................................... 13 F. NOTICES AND APPROVALS .............................................................................................................. 14 G. STATUTORY REQUIREMENTS ........................................................................................................... 16 III. DESCRIPTION OF THE PROJECT .............................................................................................. 17 A. PROJECT DESCRIPTION .................................................................................................................. 17 B. DESIGN CRITERIA AND CONSIDERATIONS .......................................................................................... 18 C. DESIGN FLOW RATES (SYSTEMS OF SEWERAGE) ................................................................................ 20 D. PROJECT RATIONALE ..................................................................................................................... 22 E. SALIENT FEATURE OF THE PROPOSED CORE AREA SEWER NETWORK ..................................................... 23 F. HYDRAULIC DESIGN OF SEWERS ...................................................................................................... 25 G. MATERIAL STORAGE AREA AND DISPOSAL SITES ................................................................................ 27 IV. DESCRIPTION OF THE ENVIRONMENT ............................................................................... 29 A. PHYSICAL ENVIRONMENT ............................................................................................................... 29 B. BIOLOGICAL ENVIRONMENT ........................................................................................................... 30 C. SOCIO-ECONOMIC ENVIRONMENT .................................................................................................. 31 D. CULTURAL HERITAGE ENVIRONMENT ............................................................................................... 36 V. ANTICIPATED ENVIRONMENTAL IMPACTS AND MITIGATION MEASURES .............................. 40 A. DESIGN PHASE ............................................................................................................................... 40 B. PRE-CONSTRUCTION PHASE ............................................................................................................ 41 C. CONSTRUCTION PHASE .................................................................................................................. 42 D. OPERATION PHASE ....................................................................................................................... 56 E. POTENTIAL ENVIRONMENTAL ENHANCEMENT MEASURES ................................................................... 56 F. CUMULATIVE IMPACTS .................................................................................................................. 57 VI. ANALYSIS OF ALTERNATIVES ............................................................................................. 58 A. SUMMARY OF OPTIONS ................................................................................................................. 58 B. FINDINGS AND SELECTED OPTION .................................................................................................... 63 VII. INFORMATION DISCLOSURE, CONSULTATION, AND PARTICIPATION ................................. 64 VIII. GRIEVANCE REDRESS MECHANISM ................................................................................... 70 IX. ENVIRONMENTAL MANAGEMENT PLAN AND MONITORING ............................................. 73 A. INSTITUTIONAL ARRANGEMENT ...................................................................................................... 73 B. ENVIRONMENTAL MANAGEMENT PLAN AND MITIGATION MEASURES ................................................... 77 C. AGREEMENT BETWEEN LMC AND KUKL-PID .................................................................................. 107 D. IMPLEMENTATION OF EMP .......................................................................................................... 107 E. MONITORING AND REPORTING PROCEDURES .................................................................................. 110 F. TRAINING AND CAPACITY BUILDING ..............................................................................................