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Final EIA Report- Khulna.Pdf NORTH-WEST POWER GENERATION COMPANY LTD., DHAKA (AN ENTERPRISE OF BPDB) Final Report on Environmental Impact Assessment (EIA) Study of Khulna 150MW Peaking Power Plant Construction Project at Khulna Power Station (KPS) March 2010 Submitted by: ENGINEERS ASSOCIATES LIMITED 7/7, SIR SYED ROAD, BLOCK– A MOHAMMADPUR HOUSING ESTATE, DHAKA-1207 TEL.: 9111358, 8117246 FAX.: 880-2-8118512 E-MAIL: [email protected] Final Report on EIA Study of Khulna 150MW PPP Table of Contents Abbreviations Used ........................................................................................i EXECUTIVE SUMMARY .................................................................................1 Chapter 1: INTRODUCTION...........................................................................1 1.1 Background....................................................................................................1 1.2 Project Outline ..............................................................................................2 1.3 Policy, Legal and Administrative Framework ..............................................2 1.4 Study Area.....................................................................................................3 1.5 Outline of Methodology................................................................................4 1.5.1 Major Activities .....................................................................................4 1.5.2 Study Team and Their Tasks .................................................................5 1.6 Report Structure............................................................................................6 Chapter 2: PROJECT JUSTIFICATION ........................................................9 2.1 Introduction...................................................................................................9 2.2 Demand-Supply Situation...........................................................................10 2.3 Consequences of No-Project Situation ........................................................15 Chapter 3: DESCRIPTION OF THE PROPOSED PROJECT .....................16 3.1 Project Location..........................................................................................16 3.2 Site Development and Construction ...........................................................16 3.3 Equipment and Processes............................................................................16 3.4 Electricity Generation and Transmission....................................................17 3.5 Gas Pipe Line for Power Generation ..........................................................17 3.6 Water Management .....................................................................................18 3.7 Waste and Emission Management ..............................................................18 3.8 Fire Fighting and Protection System...........................................................19 3.8.1 Fire Safety Philosophy.......................................................................19 3.8.2 Fire Fighting System Description......................................................20 3.9 Operation and Maintenance ........................................................................20 3.10 Others...........................................................................................................21 3.10.1 Facilities for Construction...................................................................21 Chapter 4: EXISTING ENVIRONMENT: PHYSICAL....................................22 4.1 Introduction.................................................................................................22 4.2 Climate........................................................................................................22 4.2.1 Rainfall.................................................................................................22 4.2.2 Ambient Air Temperature...................................................................23 4.2.3 Relative Humidity...............................................................................25 4.2.4 Wind Speeds and Direction .................................................................27 4.2.5 Seismic Data .......................................................................................28 4.3 Topography and Drainage............................................................................30 4.4 Geology and Soils........................................................................................30 4.4.1 Geology................................................................................................30 4.4.2 Soils......................................................................................................31 4.5 Hydrology And Water Resources................................................................31 EAL i Final Report on EIA Study of Khulna 150MW PPP 4.5.1 River Water........................................................................................31 4.5.2 Groundwater.......................................................................................32 4.6 Air Quality ...................................................................................................33 4.7 Noise Level .................................................................................................34 4.7.1 General................................................................................................34 4.7.2 Noise Sources......................................................................................35 4.7.3 Point Source Noise..............................................................................35 4.7.4 Line Source Noise...............................................................................36 4.7.5 Noise Reduction Factors.....................................................................36 4.7.6 Hard versus Soft Sites.........................................................................36 4.7.7 Topography, Vegetation and Atmospheric Factors ............................37 4.7.8 Baseline Noise Conditions..................................................................37 4.7.9 Environmental Conditions ..................................................................37 4.7.10 Traffic Noise........................................................................................37 4.7.11 Construction Noise...............................................................................38 4.7.12 Combined Effect of Multiple Noise Sources.......................................39 4.7.13 Field Noise Level Data ........................................................................40 4.8 Water Quality...............................................................................................41 4.8.1 River Water.........................................................................................41 4.8.2 Ground Water......................................................................................43 Chapter 5: EXISTING ENVIRONMENT: ECOLOGICAL ..............................44 5.1 Terrestrial Ecosystem..................................................................................44 5.1.1 Terrestrial Flora ...................................................................................44 5.1.2 Forest and Homestead vegetation ........................................................46 5.1.3 Biodiversity..........................................................................................46 5.1.4 Terrestrial Fauna ..................................................................................46 5.2 Aquatic Ecosystem......................................................................................47 5.2.1 General...............................................................................................47 5.2.2 Aquatic Flora .....................................................................................48 5.2.3 Aquatic Fauna ....................................................................................48 5.3 Water quality................................................................................................50 5.3.1 Temperature ................................................................................................50 5.3.2 Dissolved Oxygen.......................................................................................50 5.3.3 pH................................................................................................................50 5.3.4 Transparency...............................................................................................50 5.3.5 Nitrogen-Nitrate..........................................................................................51 5.4 Protected Area (Sensitive Area)...................................................................51 5.5 Rare and Endangered Species......................................................................51 5.5.1 Rare and Endangered Fish Species.....................................................51 5.5.2 Migratory Bird Species.......................................................................51 Chapter 6: EXISTING ENVIRONMENT: SOCIO-ECONOMIC .....................52 6.1 Introduction.................................................................................................52 6.2 Land Use and Utilities ................................................................................52 6.3 Utilization of River Water...........................................................................53
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