Environmental Impact Assessment June 2013 PAK: Jamshoro Power Generation Project Environmental Impact Assessment of Jamshoro Power Generation Project CONTENTS 1. Executive Summary ....................................................................................... 1-1 1.1 Project Setting ...................................................................................... 1-1 1.2 Project Rationale .................................................................................. 1-3 1.3 The Proposed Project ........................................................................... 1-4 1.4 Corrective Actions for Existing Facilities at JTPS .................................. 1-6 1.5 Environmental Impact of New Plant ...................................................... 1-7 1.5.1 Air Quality Impacts .............................................................. 1-7 1.5.2 GHG Emissions ................................................................. 1-11 1.5.3 Other Aspects ................................................................... 1-12 1.6 Environmental Management Plan ....................................................... 1-13 1.7 Conclusions ........................................................................................ 1-13 2. Introduction .................................................................................................... 2-1 2.1 Introduction to the EIA .......................................................................... 2-1 2.1.1 Objectives ........................................................................... 2-1 2.1.2 Scope of the EIA ................................................................. 2-2 2.1.3 Background of the EIA Study ............................................... 2-2 2.2 Institutional Arrangements .................................................................... 2-3 2.3 Project Setting ...................................................................................... 2-3 2.4 Project Rationale .................................................................................. 2-7 2.5 Organization of the Report .................................................................. 2-11 3. Legal and Institutional Framework ............................................................... 3-1 3.1 Historical and Constitutional Context .................................................... 3-1 3.2 Environmental Law ............................................................................... 3-2 3.3 Requirements for Environmental Impact Assessment ........................... 3-2 3.4 Pollution Control Regulations and Standards ........................................ 3-6 3.5 Other Relevant Laws ............................................................................ 3-6 3.5.1 The Forest Act, 1927 ........................................................... 3-6 3.5.2 Factories Act, 1934 ............................................................. 3-7 3.6 Environmental Guidelines ..................................................................... 3-7 3.6.1 ADB‘s Safeguard Policy Statement 2009............................. 3-7 3.6.2 World Bank/IFC Environmental, Health and Safety Guidelines for Thermal Power Plants, 2008 .............. 3-8 3.7 Institutional Framework ......................................................................... 3-9 3.7.1 Sindh Government Institutions ............................................. 3-9 3.7.2 International and National NGOs ......................................... 3-9 3.8 International Treaties .......................................................................... 3-10 Hagler Bailly Pakistan Contents R3V10GRT: 10/29/13 ii Environmental Impact Assessment of Jamshoro Power Generation Project 3.9 Comparison of NEQS with IFC Guidelines .......................................... 3-12 4. The Proposed Project .................................................................................... 4-1 4.1 Existing Jamshoro Power Plant ............................................................ 4-1 4.1.1 Generating Units ................................................................. 4-1 4.1.2 Fuel and Performance ......................................................... 4-1 4.1.3 Handling, Transportation and Storage of Fuel ..................... 4-1 4.1.4 Water Supply System .......................................................... 4-2 4.1.5 Wastewater Generation and Disposal ................................. 4-2 4.1.6 Cooling Water System ......................................................... 4-2 4.1.7 Solid Waste Storage and Disposal ...................................... 4-2 4.1.8 Waste Fuel Oil Handling and Management ......................... 4-2 4.1.9 Stacks and Emissions ......................................................... 4-3 4.2 General Description of the Proposed Plant ........................................... 4-4 4.3 Power Generation Technology.............................................................. 4-6 4.3.1 Supercritical Steam Generators ........................................... 4-6 4.3.2 Plant Design Parameters ..................................................... 4-8 4.3.3 Coal Feeding and Pulverizer System ................................. 4-10 4.3.4 Furnace ............................................................................. 4-11 4.3.5 Superheater and Reheater ................................................ 4-11 4.3.6 Economizer ....................................................................... 4-11 4.3.7 Steam Generator Setting and Insulation ............................ 4-12 4.3.8 Air Heaters ........................................................................ 4-12 4.3.9 Air and flue Gas Fans ........................................................ 4-12 4.3.10 Soot Blowers ..................................................................... 4-13 4.3.11 Fuel Burning Equipment .................................................... 4-13 4.3.12 Ducts and Wind Boxes ...................................................... 4-14 4.4 Steam Turbine and Auxillaries ............................................................ 4-14 4.5 Condenser and Condensate System .................................................. 4-14 4.6 Generator and Electrical System ........................................................ 4-15 4.6.1 Excitation System .............................................................. 4-16 4.6.2 Generator Step-Up Transformer ........................................ 4-16 4.6.3 Auxiliary Transformers ....................................................... 4-17 4.6.4 Generator Circuit Breaker .................................................. 4-17 4.6.5 Medium Voltage Switchgear .............................................. 4-17 4.6.6 Low Voltage Load Centers ................................................ 4-18 4.6.7 Electrical Motors ................................................................ 4-18 4.6.8 DC Power System ............................................................. 4-18 4.6.9 Cable Systems .................................................................. 4-18 4.7 Circulation Water and Cooling System ................................................ 4-19 4.7.1 System Description ........................................................... 4-19 Hagler Bailly Pakistan Contents R3V10GRT: 10/29/13 iii Environmental Impact Assessment of Jamshoro Power Generation Project 4.7.2 System Design Basis......................................................... 4-19 4.7.3 Cooling Tower ................................................................... 4-20 4.7.4 Circulating Water Pumps ................................................... 4-21 4.7.5 Closed Cooling Water System ........................................... 4-21 4.7.6 Chemical Treatment System ............................................. 4-21 4.8 Freshwater System ............................................................................. 4-22 4.9 Design Coal Specification and Blending ............................................. 4-25 4.10 Coal Consumption .............................................................................. 4-26 4.11 Coal Handling System ........................................................................ 4-26 4.11.1 Coal Delivery and Storage ................................................. 4-27 4.11.2 Coal Reclaim System ........................................................ 4-28 4.11.3 Dust Suppression and Temperature Monitoring ................. 4-28 4.11.4 Coal Silo Design ................................................................ 4-29 4.12 Ash Handling and Disposal system ..................................................... 4-29 4.12.1 Production and Handling ................................................... 4-29 4.12.2 Ash Disposal ..................................................................... 4-30 4.13 Flue Gas Treatment System ............................................................... 4-31 4.13.1 Electrostatic Precipitators .................................................. 4-31 4.13.2 Flue Gas Desulfurization System ...................................... 4-32 4.13.3 Control of Oxides of Nitrogen ............................................ 4-37 4.14 Gaseous Emissions and Waste .......................................................... 4-39 4.15 Hazardous Waste Storage Facility ...................................................... 4-40 4.16 Port Handling and Transportation of Coal ..........................................