Natural Gas Infrastructure and Efficiency Improvement Project (RRP BAN 38164) Initial Environmental Examination Document Stage: Final Project Number: P38164 (BAN) April 2011 BAN: Natural Gas Access Improvement Project (Compression Stations at Ashuganj & Elenga) Prepared by Gas Transmission Company Limited for the Asian Development Bank. Table of Contents Executive summary...............................................................................................................................v Abbreviation...................................................................................................................................... viii Chapter 1 Introduction.........................................................................................................................1 1.1 Background of the Study .........................................................................................................1 1.2 Objectives of the IEE study.....................................................................................................2 1.3 Scope of Work.........................................................................................................................2 1.4 Methodology............................................................................................................................2 1.5 Limitations...............................................................................................................................3 1.6 The IEE Study Team ...............................................................................................................3 1.7 Structure of the Report ............................................................................................................3 1.8 Acknowledgement...................................................................................................................4 Chapter 2 Description of the Project...................................................................................................5 2.1 Type and Category of Project..................................................................................................5 2.2 Need for project.......................................................................................................................5 2.3 Location of the Proejct ............................................................................................................5 2.4 Major Components of the Project............................................................................................9 2.5 Proposed schedule for approval and implementation............................................................10 2.6 Overview of Gas Compressor Station ...................................................................................10 2.6.1 Site description of proposed compressors stations .....................................................12 2.6.2 Features of Proposed Compressor Stations.................................................................14 2.7 Installation of Proposed Compressor Station ........................................................................14 2.8 Phases ....................................................................................................................................16 2.8.1 Pre-construction phase................................................................................................16 2.8.2 Construction phase......................................................................................................16 2.8.3 Post-Construction/ Operation phase ...........................................................................18 2.9 Waste/emissions from the Proposed Compressor Stations....................................................18 Chapter 3 Description of the Environment ......................................................................................21 3.1 Introduction ...........................................................................................................................21 3.2 Physical Resources ................................................................................................................21 3.2.1 Geology.......................................................................................................................21 3.2.2 Atmosphere.................................................................................................................24 3.2.3 Ambient Air Quality...................................................................................................25 3.2.4 Ambient Water Quality...............................................................................................26 3.2.5 Ambient noise.............................................................................................................27 3.2.6 Land Resources...........................................................................................................28 3.2.7 Water resources...........................................................................................................28 3.3 Land Resources.....................................................................................................................30 3.4 Ecological Resources.............................................................................................................30 3.4.1 Terrestrial and Aquatic Ecosystem .............................................................................30 i 3.5 Economic Development ........................................................................................................36 3.5.1 Employment, poverty reduction and social benefit ....................................................36 3.5.2 Agriculture Sector.......................................................................................................36 3.5.3 Transportation Sector..................................................................................................36 3.5.4 Infrastructure facilities................................................................................................37 3.5.5 Power supply system ..................................................................................................37 3.6 Social and Cultural Resources...............................................................................................37 3.6.1 Ashuganj Compressor Station.....................................................................................37 3.6.2 Elenga Compressor Station.........................................................................................38 Chapter 4 Screening of Potential Environmental Impacts .............................................................41 4.1 Introduction ...........................................................................................................................41 4.2 Environmental Impacts..........................................................................................................41 4.2.1 Water, air and noise ....................................................................................................41 4.2.2 Land use......................................................................................................................41 4.2.3 Soil pollution...............................................................................................................42 4.2.4 Crop production ..........................................................................................................42 4.2.5 Terrestrial Ecosystems................................................................................................42 4.2.6 Aquatic ecosystem ......................................................................................................42 4.2.7 Interference with the existing infrastructures..............................................................43 4.2.8 Radioactive wastes......................................................................................................43 4.2.9 Pipeline on Jamuna Bridge .........................................................................................43 4.2.10 Accidental gas leakage and explosion ........................................................................43 Chapter 5 Environmental Management Plan for Installation of Compressor Stations at Ashuganj & Elenga.........................................................................................................45 Chapter 6 Environmental Monitoring Plan and Institutional Requirements...............................53 6.1 Environmental Monitoring....................................................................................................53 6.2 EMP Cost Matrix...................................................................................................................54 Chapter 7 Public Consultation and Information Disclosure...........................................................59 7.1 Public Consultation...............................................................................................................59 7.2 Methodology..........................................................................................................................59 7.3 Results of Public Consultation ..............................................................................................59 7.4 Public Consultation and Disclosure Plan...............................................................................60 Chapter 8 Findings and Recommendations......................................................................................61