ENVIRONMENTAL IMPACT ASSESSMENT REPORT FOR DEEPENING & WIDENING OF APPROACH CHANNEL TO SECOND CHEMICAL BERTH AT PIR PAU, MUMBAI PROPOSED BY MUMBAI PORT TRUST PREPARED BY Enkay Enviro Services Pvt. Ltd., Jaipur Accrediation CERTIFICATE No. NABET/EIA/2023/RA 0183 MARCH 2021 Table of Contents TERMS OF REFERENCE (TOR).........................................................................................................................10 PUBLIC HEARING DETAILS............................................................................................................................. 24 CHAPTER 01 – INTRODUCTION.......................................................................................................................29 1.1 INTRODUCTION............................................................................................................................................29 1.1.1 OBJECTIVES OF EIA STUDY................................................................................................................... 29 1.1.2 ENVIRONMENTAL CLEARANCE PROCESS......................................................................................... 30 1.2 SIGNIFICANCE OF THE EIA STUDY......................................................................................................... 30 1.3 VALIDITY OF ENVIRONMENTAL CLEARANCE.................................................................................... 33 1.4 POST ENVIRONMENTAL CLEARANCE MONITORING.........................................................................34 1.5 TRANSFERABILITY OF ENVIRONMENTAL CLEARANCE...................................................................34 1.6 GENERIC STRUCTURE OF ENVIRONMENT IMPACT ASSESSMENT REPORT.................................. 34 1.7 IDENTIFICATION OF PROJECT PROPONENT......................................................................................... 37 1.8 PROJECT DETAILS....................................................................................................................................... 39 1.10 IMPORTANCE OF THE PROJECT............................................................................................................. 41 1.11 SIGNIFICANCE OF THE EIA STUDY....................................................................................................... 41 1.12 SCOPE OF WORK........................................................................................................................................ 42 1.13 APPROACH & METHODOLOGY.............................................................................................................. 42 1.13.1 BASELINE STUDY................................................................................................................................... 42 CHAPTER 02 – PROJECT DESCRIPTION.........................................................................................................46 2.1 BACKGROUND..............................................................................................................................................46 2.1.1 NAVIGATIONAL CHANNEL.................................................................................................................... 48 2.1.2 DEVELOPMENT OF SECOND CHEMICAL BERTH.............................................................................. 50 2.2 LOCATION OF SCB.......................................................................................................................................51 2.3 PROJECT DESCRIPTION.............................................................................................................................. 52 EIA report for “Deepening and Widening of Approach Channel to Second Chemical Berth (SCB)” at Pir Pau, Mumbai” 2 2.4 NEED OF THE PROJECT...............................................................................................................................54 2.5.1 CARGO TRAFFIC ANALYSIS AND FORECAST....................................................................................54 2.6 CHANNEL DESIGN & DREDGING VOLUME........................................................................................... 64 2.7 DESIGN OF APPROACH CHANNEL:..........................................................................................................67 2.10 DREDGING VOLUME ESTIMATION........................................................................................................73 2.11 ESTIMATION OF DREDGING VOLUMES............................................................................................... 74 2.11.1 DREDGING PROCESS..............................................................................................................................74 2.11.1.1 TYPES OF DREDGERS..........................................................................................................................75 2.12 DREDGED MATERIAL MANAGEMENT PLAN......................................................................................79 2.13 IMPLEMENTATION SCHEDULE.............................................................................................................. 79 2.14 PROJECT COST ESTIMATION.................................................................................................................. 79 CHAPTER 03-ALTERNATIVE ANALYSIS.......................................................................................................81 CHAPTER 04 - BASELINE ENVIRONMENTAL STUDY................................................................................ 82 4.1. SCOPE OF WORK......................................................................................................................................... 82 4.2. BASELINE ENVIRONMENTAL STATUS..................................................................................................82 4.3. BASELINE ENVIRONMENTAL MONITORING....................................................................................... 82 4.4. ENVIRONMENTAL STUDY AREA............................................................................................................ 85 4.5. TOPOGRAPHY & GEOLOGY......................................................................................................................85 4.6. CLIMATE & METEOROLOGY OF THE STUDY AREA...........................................................................87 4.6.1. TEMPERATURE AND CLIMATE............................................................................................................ 87 4.6.2. WIND........................................................................................................................................................... 87 4.6.3. HUMIDITY..................................................................................................................................................88 4.6.4. CLOUD COVER..........................................................................................................................................88 4.6.5. RAINFALL.................................................................................................................................................. 88 4.7. AMBIENT AIR QUALITY............................................................................................................................ 94 4.7.1. SELECTION OF MONITORING STATIONS........................................................................................... 94 4.7.2. METHODOLOGY.......................................................................................................................................95 4.7.3. AMBIENT AIR QUALITY MONITORING.............................................................................................. 95 4.7.4. OBSERVATION AND CONCLUSION..................................................................................................... 98 4.8. AMBIENT NOISE LEVEL............................................................................................................................ 99 EIA report for “Deepening and Widening of Approach Channel to Second Chemical Berth (SCB)” at Pir Pau, Mumbai” 3 4.9. WATER QUALITY......................................................................................................................................101 4.10. SOIL ENVIRONMENT..............................................................................................................................105 4.11. SOCIO-ECONOMIC ENVIRONMENT....................................................................................................106 4.12. ECOLOGY AND BIODIVERSITY......................................................................................................................108 4.12.1. MARINE BIODIVERSITY STUDY.......................................................................................................108 4.12.2. TERRESTRIAL BIODIVERSITY STUDY (WITHIN 10 KM)............................................................. 111 4.12.2.1 BACKGROUND....................................................................................................................................111 4.12.2.2 THE SITE...............................................................................................................................................112 4.12.2.3 . SCOPE OF THE STUDY.................................................................................................................... 112 4.12.2.4 ACTIVITIES UNDERTAKEN DURING THE STUDY......................................................................113