Initial Environmental Examination July 2018 Republic of Tajikistan: Dushanbe Water Supply and Sanitation Project Prepared by State Unitary Enterprise SUE Dushanbe Vodokanal (DVK) 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 on ADB’s 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. qvMXvPlII4 T OqUKI,ICTOH MA(OMOTr4r4r{POVTALTXOKTIMIIflTTIAABJIATVTWITAXPITAyIIIAHFE KOPXOHAI4BOXI,IAI,I AABJIATI4II (OEy KOPE3I4AYIIIAHEE> 734042,u.{yuran6e, n.Aftnn,l4 (a)>rer: (992371222-20-30i222-20-18;22-20-51;e-mail:[email protected] Nsglt;tLas<.1fo> O1 conr.r2018 Ea Ns a3( )) conu2018 Mr. Yong Ye Director Urban Developmentand Water Division Central and West Asia Regional Department Asian DevelopmentBank { Subject:Dushanbe Water Supply and Sanitation Project Draft Initial EnvironmentalExamination DearMr. Yong Ye, We referto the signedMemorandum of Understanding(MOU) dated29 June2018, between the Governmentof the Republicof Tajikistanand Asian Development Bank for provisionof a grant for the DushanbeWater Supply and Sanitation Project. TheProject must be implementedin compliancewith ADB SafeguardsPolicy Statement(SPS 2009).The draft Initial EnvironmentalExamination IEE providesa road map for the environmentalmeasures needed to preventand/or mitigate negative environmental effects associatedwith the developmentproject. The IEE providesa detaileddescription of the direct andindirect envirpnmental effects associated with the proposedsubprojects during key periods of work. The documentcomplies with Tajikistanlaws but alsoincludes some additional enhancementmeasures and implementation and monitoring arangements to ensurecompliance with ADB SafeguardsPolicy Statement. The StateUnitary Enterprise'oDushanbeVodokanal" (DVK) herebyendorses the contentsof the draftInitiat EnvironmentalExamination and has no objectionfor its disclosureon the ADB website. 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Nrs' o6ecueqerus co6rroAeHlrs3asnreHl'Ifl o noJII4TI'IKerapanrufi ABP Hacro.surEMAoKyMenrola, focyAapcrBeHuoe yllurapHog rlpeAflp]Irrue <.{yulan6e BoAoKaHiIJID (DVK) yrBepxAaer rrplrJraraeuufinpoerr flepnuvuoft SronornqecrcoftOqeuKlr, lI HeI'IMeer Bo3paxeHllit lns pa3MeIqeHLIs,Hacailne AEP, 4auuoro AoKyMeHra. I4crcpeuneBaru, [upemop V6afiRrota Mnprouypo4 .{an.rratlryp0A Dushanbe Water Supply and Sanitation Project (DWSSP) Initial Environmental Examination Table of Contents Executive Summary .......................................................................................................... 10 A. Introduction ............................................................................................................... 14 A.1 Overview ......................................................................................................... 14 A.1.1 Existing Situation ............................................................................................... 14 A.1.2 Initial Studies & Roadmaps ................................................................................ 15 A.1.3 Next Steps ......................................................................................................... 15 A.2 Purpose of the report ....................................................................................... 16 A.3 Project Proponent ............................................................................................ 16 A.4 Category of Project .......................................................................................... 16 A.5 Structure of the Report .................................................................................... 16 A.6 IEE Boundaries ............................................................................................... 18 A.7 Methodology Applied ....................................................................................... 18 B. Status of the Water Supply and Sanitation Systems .............................................. 19 B.1 Section Layout ................................................................................................. 19 B.2 Location ........................................................................................................... 19 B.3 Status of the Network ...................................................................................... 19 B.3.1 Water Supply .................................................................................................. 19 B.3.2 Sanitation ....................................................................................................... 26 C Project Description ..................................................................................................... 28 C.1 General ........................................................................................................... 28 C.2 Water Supply ................................................................................................... 28 C.2.1 Water Supply .................................................................................................. 28 C.2.1 Water Supply Construction Principles............................................................. 30 C.3 Sanitation ........................................................................................................ 32 C.3.1 Sanitation Implementation Measures ............................................................. 32 C.3.2 Sanitation Design Standards .......................................................................... 34 C.3.3 Sanitation Construction Principles .................................................................. 34 C.4 Institutional Capacity Development ................................................................. 39 C.4.1 Institutional and Capacity Development Activities ........................................... 39 C.5 Project Costs ................................................................................................... 40 D. Legal, Policy and Administrative Framework .......................................................... 41 D.1 General ........................................................................................................... 41 D.2 Country Policies and Administrative Framework .............................................. 41 D.2.1. Overall legal framework .................................................................................... 41 D.2.2 Administrative Framework .................................................................................. 44 D.3 Air, Water, Noise and Waste Standards and Regulations ................................ 45 D.4 Sanitary Protection Zones (SPZ) ..................................................................... 50 D.5 International Conventions and Agreements ..................................................... 51 D.6 Asian Development Bank Safeguard Policies 2009 ......................................... 52 E. Alternatives ................................................................................................................ 56 E.1 The No Action Alternative ................................................................................ 56 E.2 Alternative Pipeline Alignments ....................................................................... 57 F. Description of the Environment ................................................................................ 60 F.1 Physical Resources ......................................................................................... 60 F.1.1 Topography ...................................................................................................