REVISED ENVIRONMENTAL IMPACT ASSESSMENT FOR PHASE IV PRIORITY CORRIDORS OF DELHI METRO June 2020 Revised EIA for Priority Corridors of Delhi Metro Phase IV CONTENTS CHAPTER 0 EXECUTIVE SUMMARY ................................................................................................. 1 1. INTRODUCTION...................................................................................................................... 9 1.1. TRANSPORT ......................................................................................................................... 10 1.2. OBJECTIVE AND SCOPE OF THE STUDY ...................................................................... 12 1.3. LEGAL, POLICY AND INSTITUTIONAL FRAME WORK ................................................. 13 1.3.1 Water and Water Pollution ...................................................................................................... 13 1.3.2 Air Quality ............................................................................................................................... 14 1.3.3 Noise Quality .......................................................................................................................... 14 1.3.4 Solid Waste Management ...................................................................................................... 14 1.3.5 The Ancient Monuments and Archaeological sites and Remains Act, 1958 amended in 2010 15 1.3.6 Various Environment Permissions Required ......................................................................... 16 1.4. INSTITUTIONAL FRAMEWORK ......................................................................................... 17 1.4.1 Central and State Pollution Control Boards ........................................................................ 17 1.5. APPROACH AND METHODOLOGY .................................................................................. 18 1.5.1 Data Collection ....................................................................................................................... 18 1.5.2 Environmental Impact Assessment........................................................................................ 19 1.5.3 Environmental Management Plan .......................................................................................... 19 1.5.4 Environmental Monitoring ...................................................................................................... 19 1.6. FORMAT OF THE REPORT ............................................................................................... 19 2. PROJECT DESCRIPTION ..................................................................................................... 21 2.1 EXISTING SYSTEMS ............................................................................................................ 21 2.1.1 Existing Metro System ........................................................................................................... 21 2.1.2 Proposed Phase IV Metro Corridors ...................................................................................... 22 2.1.3 Description of Route Alignments............................................................................................ 24 2.2 Alternative Analysis ................................................................................................................ 24 2.3 RIDERSHIP ON PHASE IV ................................................................................................... 29 2.4 ROLLING STOCK .................................................................................................................. 29 2.5 MAINTENANCE DEPOTS ..................................................................................................... 32 2.6 TRACTION SYSTEM ............................................................................................................. 32 2.7 AUXILIARY SUPPLY ............................................................................................................. 33 2.8 SOURCES OF POWER SUPPLY ......................................................................................... 33 2.9 POWER DEMAND ASSESSMENT ....................................................................................... 34 2.10 POWER DEMAND ................................................................................................. 35 2.11 CONSTRUCTION METHODOLOGY .................................................................... 35 2.12 CONSTRUCTION STRATEGY ............................................................................. 36 2.13 CONSTRUCTION PERIOD ................................................................................... 38 2.14 CONSTRUCTION MACHINERY ........................................................................... 38 2.15 MAINTENANCE ACTIVITIES DURING OPERATION .......................................... 39 2.16 COST ESTIMATES ............................................................................................... 39 3. ENVIRONMENTAL BASELINE DATA ................................................................................... 41 Content Page | i Revised EIA for Priority Corridors of Delhi Metro Phase IV 3.1 ENVIRONMENTAL SCOPING .............................................................................................. 41 3.2 LAND ENVIRONMENT .......................................................................................................... 45 3.2.1 Physiography ......................................................................................................................... 45 3.2.2 Geology and Soils .................................................................................................................. 45 3.2.3 Seismicity ............................................................................................................................... 49 3.3 WATER ENVIRONMENT ...................................................................................................... 49 3.3.1 Water Resources ................................................................................................................... 49 3.3.2 Ground Water ........................................................................................................................ 50 3.3.3 Water Quality ........................................................................................................................ 51 3.4 METEOROLOGY AND AIR ENVIRONMENT ....................................................................... 56 3.4.1 Meteorology .......................................................................................................................... 56 3.4.2 Air Quality .............................................................................................................................. 61 3.5 NOISE ENVIRONMENT ........................................................................................................ 64 3.6 ECOLOGY ............................................................................................................................. 64 3.6.1 Forests/Flora .......................................................................................................................... 65 3.6.2 Fauna 65 4. NEGATIVE ENVIRONMENTAL IMPACTS ............................................................................ 67 4.1 GENERAL .............................................................................................................................. 67 4.2 ENVIRONMENTAL IMPACTS ............................................................................................... 67 4.2.1 Impacts due to Project Location............................................................................................. 68 4.2.2 Impacts due to Project Design ............................................................................................... 69 4.2.3 Impact due to Project Construction ........................................................................................ 72 4.2.4 Impacts due to Project Operation .......................................................................................... 83 4.3 EPILOGUE ............................................................................................................................. 88 5. POSITIVE ENVIRONMENTAL IMPACTS ............................................................................. 90 5.1 Employment Opportunities ..................................................................................................... 90 5.2 Benefits to Economy .............................................................................................................. 90 5.3 Quick Service and Safety ....................................................................................................... 90 5.4 Less Fuel Consumption ......................................................................................................... 91 5.5 Less Air Pollution ................................................................................................................... 92 5.6 Carbon Credits ....................................................................................................................... 93 5.7 CHECKLIST OF IMPACTS .................................................................................................... 94 6. ENVIRONMENTAL MANAGEMENT PLAN ........................................................................... 96 6.1 MITIGATION MEASURES ....................................................................................................