Metro Colombo Solid Waste Management Project
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DEMOCRATIC SOCIALIST REPUBLIC OF SRI LANKA MINISTRY OF MEGAPOLIS AND WESTERN DEVELOPMENT Metro Colombo Solid Waste Management Project ENVIRONMENTAL IMPACT ASSESSMENT REPORT OF THE PROPOSED PROJECT ON METRO COLOMBO SOLID WASTE MANAGEMENT Draft Final Report August 2017 Prepared By: Submitted to: Central Environmental Authority, North Western Provincial Environmental Authority Environmental Impact Assessment Report of the Proposed Metro Colombo Solid Waste Management Project Table of Contents Table of Contents .................................................................................................................. ii List of Tables....................................................................................................................... vii List of Figures ...................................................................................................................... ix List of Annexures .................................................................................................................xii Abbreviations ...................................................................................................................... xiii Executive Summary .................................................................................................................................... xv CHAPTER I ............................................................................................................................. 1 1 INTRODUCTION ............................................................................................................. 1 Background of the project ...................................................................................................1 Objectives and justification of the proposed project .............................................................2 Objectives of the EIA report .................................................................................................5 Brief outline of methodologies and technologies adopted in EIAR preparation .....................6 Compatibility with other projects/ programmes / plans / developments in the area .............6 Policy, legal and administrative framework with reference to the project .............................7 1.6.1 National Strategy for Solid Waste Management (SWM) ------------------------------------------------------------- 8 1.6.2 National Policy on Solid Waste Management (2007)------------------------------------------------------------------ 8 1.6.3 Hazardous Waste Management--------------------------------------------------------------------------------------------- 8 1.6.4 Legal Framework ---------------------------------------------------------------------------------------------------------------- 9 1.6.4.1 The National Environmental Act No 47 of 1980 (NEA) ................................................................... 9 1.6.4.2 Provincial Environmental Statute No 12 of 1990 of the NWP ....................................................... 10 1.6.4.3 Enactment of a statutory obligation for waste treatment by MC, UC, and PS ............................. 10 1.6.5 Review of Proposed Project in terms of National Strategy, Policy and Legal; Framework ---------------- 11 1.7 Approvals needed for the project from other state agencies and any conditions laid down by Governments agencies for implementation of the project. ............................................................ 12 1.7.1 Central Environmental Authority ----------------------------------------------------------------------------------------- 12 1.7.2 North Western Province – Provincial Environmental Authority -------------------------------------------------- 12 1.7.3 Fauna and Flora Protection Ordinance ---------------------------------------------------------------------------------- 12 1.7.4 Forest Ordinance -------------------------------------------------------------------------------------------------------------- 12 1.7.5 Approval of Archeological Department --------------------------------------------------------------------------------- 13 1.7.6 Urban Development Authority -------------------------------------------------------------------------------------------- 13 1.7.7 Approval from the SLLRDC -------------------------------------------------------------------------------------------------- 13 1.7.8 Relevant Local Authority’s approval ------------------------------------------------------------------------------------- 13 1.7.9 Divisional Secretariats ------------------------------------------------------------------------------------------------------- 14 1.7.10 Other approvals to be obtained ------------------------------------------------------------------------------------------- 14 CHAPTER II .......................................................................................................................... 15 ii Metro Colombo Solid Waste Management Project Ministry of Megapolis and Western Development Environmental Impact Assessment Report of the Proposed Metro Colombo Solid Waste Management Project 2 DESCRIPTION OF THE PROJECT ...................................................................................... 15 Description of the Project .................................................................................................. 15 2.1.1 Project Sites (Landfill site and Transfer Stations) --------------------------------------------------------------------- 15 2.1.1.1 Transfer Stations ........................................................................................................................... 16 2.1.1.2 Extent of the Project Sites ............................................................................................................. 16 2.1.1.3 Survey Plans of the Project Sites ................................................................................................... 17 2.1.1.4 Ownership of the Project Sites ..................................................................................................... 17 2.1.1.5 Location Maps of Project Sites ...................................................................................................... 17 2.1.1.6 Railway Transport Existing Track................................................................................................... 28 2.1.2 Project Layout ------------------------------------------------------------------------------------------------------------------ 30 2.1.1.1 Reservations and Buffers .............................................................................................................. 33 2.1.1.2 Location of the final discharge point of treated leachate and the pipe line trace ........................ 33 2.1.3 Nature of the Project --------------------------------------------------------------------------------------------------------- 34 2.1.1.3 Waste Transfer Stations ................................................................................................................ 34 2.1.1.4 Waste transportation to Puttalam ................................................................................................ 47 2.1.1.5 Sanitary landfill site ....................................................................................................................... 53 2.1.4 Construction and operation procedure --------------------------------------------------------------------------------- 77 2.1.4.1 Construction and Implementation with time frame ..................................................................... 77 2.1.4.2 Operation Arrangement ................................................................................................................ 77 2.1.4.3 Site preparation activities at the transfer station and landfill site ............................................... 80 2.1.4.4 Construction and operational activities at transfer station and landfill ....................................... 80 2.1.5 RELOCATION OF SETTLERS -------------------------------------------------------------------------------------------------- 83 2.1.6 Financial cost for the project ----------------------------------------------------------------------------------------------- 83 2.2 Analysis of alternatives ..................................................................................................... 84 2.2.1 No action alternative: -------------------------------------------------------------------------------------------------------- 84 2.1.2 Technological Options for the proposed project: -------------------------------------------------------------------- 84 2.1.3 Alternative site for transfer station -------------------------------------------------------------------------------------- 85 CHAPTER III ......................................................................................................................... 88 3 DESCRIPTION OF THE EXISTING ENVIRONMENT .............................................. 88 Physical Environment ........................................................................................................ 88 3.1.1 Transfer Station- Kelaniya (KTS) ------------------------------------------------------------------------------------------- 88 3.1.1.1 Topography ................................................................................................................................... 88 3.1.1.2 Geology and soil ...........................................................................................................................