ITPCL’s 1200 MW THERMAL POWER PLANT AND CAPTIVE DESALINATION PLANT AT CUDDALORE, TAMIL NADU IL&FS TAMIL NADU POWER COMPANY LIMITED Technical Note on Use of Blended Coal September, 2018 C1181305 L&T Infrastructure Engineering Limited RP001, Rev.0 Table of Contents L&T Infrastructure Engineering Ltd. Client: IL&FS Tamil Nadu Power Company Limited [ITPCL] Project: EC Amendment (Use of Blended Coal) Project No.: for ITPCL Thermal Power Plant at C1181305 Cuddalore district, TN Title: Technical Note on Use of Blended Coal Document No.: Rev.: for ITPCL’s TPP RP001 0 File path: This document is the property of L&T Infrastructure Engineering Ltd. and l:\ports\2018\c1181305 - itpcl ec amend-blended must not be passed on to any person or body not authorised by us to receive it coal\working\reports\second draft 28.08.2018\technical note nor be copied or otherwise made use of either in full or in part by such person or 21.09.2019\001-r0-brt-technical note on use of blended coal for itpcl’s tpp - body without our prior permission in writing. 29.09.2018.docx Notes: 1. Revision Details: ALJ ATK SNV BRT 0 21.09.2018 First Submission CVS GNT SAP VHR MRU Init. Sign. Init. Sign. Init. Sign. Rev. Date Details Prepared Checked Approved EC Amendment (Use of Blended Coal) for ITPCL Thermal Power Plant at Cuddalore district, TN C1181305 Technical Note on Use of Blended Coal for ITPCL’s TPP RP001 rev. 0 TABLE OF CONTENTS 1 Introduction .....................................................................................................................................1 1.1 Project Background ...................................................................................................................1 1.2 Details of Project Proponent .....................................................................................................2 1.3 Project Site ................................................................................................................................2 1.4 Salient Features of ITPCL Project ............................................................................................2 1.5 Project Status/ Environmental/CRZ Clearances Obtained .......................................................3 1.5.1 Facilities developed at ITPCL Site ..................................................................................4 1.6 Present Proposal (Use of Blended Coal) for ITPCL’s TPP .......................................................4 2 Need for Use of Blended Coal as an Alternative to 100% Imported Coal Use .........................4 2.1 Present Permission and Usage ................................................................................................4 2.2 Availability of Indigenous Coal ..................................................................................................5 2.3 Details of NLC India Limited and its Users ...............................................................................5 2.3.1 MINE - I Including Expansion .........................................................................................5 2.3.2 MINE - II Including Expansion ........................................................................................5 2.3.3 MINE-IA ..........................................................................................................................6 2.3.4 BARSINGSAR MINE ......................................................................................................6 2.4 Proposed Use of Blended Coal.................................................................................................6 2.5 Use of Both Imported Coal as well as Blended Coal ................................................................7 3 Technical Details of Indigenous Coal, Imported Coal and Blended Coal .................................7 3.1 Indigenous Coal ........................................................................................................................7 3.1.1 Source and Availability ...................................................................................................7 3.1.2 Fuel Analysis (Characteristics) .......................................................................................7 3.2 Imported Coal............................................................................................................................8 3.2.1 Fuel Analysis (Characteristics) .......................................................................................8 3.2.2 Approval and Permission ................................................................................................8 3.3 Blended Coal.............................................................................................................................8 3.3.1 Fuel Requirements & Characteristics after Blending ......................................................8 3.4 Blending Methods .....................................................................................................................8 4 Indigenous Coal Transportation Mode Alternatives ...................................................................9 4.1 Indigenous Coal Transport through Road Network – Traffic Study ..........................................9 4.1.1 Alternative Routes Considered for Study .......................................................................9 4.1.2 Advantages and Disadvantages of Alternative Routes Studied .................................. 10 4.1.3 Best Suited Route ........................................................................................................ 11 4.2 Indigenous Coal Transport through Rail ................................................................................ 11 4.2.1 NLC Mines - Railway Connectivity .............................................................................. 11 4.2.2 ITPCL’s Railway Siding for HFO/LDO and Imported Coal Transportation .................. 12 4.2.3 Bottlenecks for Transport of coal Using Railway line .................................................. 13 4.3 Indigenous Coal Transport through Rail cum Road Network ................................................ 13 4.4 Selection of Preferred Mode of Transport for Indigenous Coal ............................................. 13 5 Baseline Environment (Enroute) ................................................................................................ 14 5.1 Study Area & Study Period .................................................................................................... 14 5.2 Meteorological Conditions ...................................................................................................... 14 5.3 Baseline Environment Status ................................................................................................. 14 5.3.1 Ambient Air Quality ...................................................................................................... 15 5.3.2 Noise Levels ................................................................................................................ 16 5.3.3 Surface Water Quality .................................................................................................. 17 5.3.4 Groundwater Quality .................................................................................................... 18 5.3.5 Soil Quality ................................................................................................................... 19 5.3.6 Terrestrial Ecology ....................................................................................................... 20 5.3.7 Socio-Economic Conditions ......................................................................................... 20 5.4 Half-Yearly Compliance Report ............................................................................................. 22 6 Anticipated Environmental and Social Impacts and Mitigation Measures ............................ 23 Table of Contents Page 1 EC Amendment (Use of Blended Coal) for ITPCL Thermal Power Plant at Cuddalore district, TN C1181305 Technical Note on Use of Blended Coal for ITPCL’s TPP RP001 rev. 0 6.1 Land Environment .................................................................................................................. 23 6.1.1 Due to Use of Blended Coal ........................................................................................ 23 6.1.2 Due to Indigenous Coal Transportation ....................................................................... 23 6.2 Air Environment ..................................................................................................................... 24 6.2.1 Due to Use of Blended Coal ........................................................................................ 24 6.2.2 Due to Indigenous Coal Transportation, Unloading and Storage ................................ 25 6.2.3 Air Quality Modelling Study ......................................................................................... 26 6.3 Noise Environment ................................................................................................................. 27 6.3.1 Due to Use of Blended Coal ........................................................................................ 27 6.3.2 Due to Indigenous Coal Transportation, Unloading and Storage ................................ 27 6.4 Water Environment ................................................................................................................ 27 6.4.1 Due to Use of