*OFFICIAL USE ONLY Environment Impact Assessment (EIA) October 2020 Chennai Peripheral Ring Road Project Section 2 & 3 Highways Department (Government of Tamil Nadu) *OFFICIAL USE ONLY TABLE OF CONTENTS EXECUTIVE SUMMARY ........................................................................................ 1 1. INTRODUCTION ........................................................................................... 7 1.1 Project Rationale .................................................................................. 7 1.2 Objectives of the Project ......................................................................... 7 1.3 Project Status ...................................................................................... 8 1.4 Purpose of Environmental Impact Assessment (EIA) .......................................... 9 1.5 Structure of EIA Document ...................................................................... 11 2. PROJECT DESCRIPTION ................................................................................ 13 2.1 CPRR Section 2 (Thatchur on NH 16 to Start of Thiruvallur Bypass) ...................... 13 2.2 CPRR Section 3 (Start of Thiruvallur Bypass to Sriperumbudur on NH 48) ............... 15 2.3 Analysis of Alternatives .......................................................................... 19 2.4 Engineering Surveys and Investigations ....................................................... 23 2.5 Traffic Study ....................................................................................... 25 2.6 Proposed Design Interventions (common for Section 2 and 3) ............................. 26 3. LEGAL POLICY FRAMEWORK ......................................................................... 34 3.1 National and State Rules and Regulations .................................................... 34 3.2 AIIB Policy .......................................................................................... 37 3.3 Environmental Regulatory Clearance Requirements ........................................ 38 3.4 International Treaties/Conventions/Declarations on Environment Management ....... 44 4. DESCRIPTION OF THE ENVIRONMENT ............................................................... 46 4.1 Physical Environment ............................................................................. 46 4.2 Biological Environment ........................................................................... 55 4.3 Socio-Economic Environment ................................................................... 61 5. GRIEVANCE REDRESS MECHANISM ................................................................... 66 5.1 Composition Function of Grievance Redressal Committee (GRC) ......................... 66 5.2 Approach to GRC .................................................................................. 66 6. ANALYSIS OF POTENTIAL ENVIRONMENTAL IMPACT AND MITIGATION MEASURE .......... 68 6.1 Assessment of Environmental Impacts ......................................................... 68 6.2 Pre – Construction Impacts and Mitigation Measures ........................................ 70 6.3 Anticipated Impacts during Construction Phase and Mitigation Measures ............... 74 6.4 Labour Influx Management ...................................................................... 85 6.5 Post – Construction Impacts and Mitigation Measures ....................................... 89 7. STAKEHOLDER CONSULTATION AND INFORMATION DISCLOSURE ............................. 95 7.1 Process for Consultation followed .............................................................. 95 7.2 Plan and Continual Public Participation ....................................................... 97 7.3 AIIB Information Disclosure Requirements .................................................... 97 8. ENVIRONMENTAL MANAGEMENT PLAN ............................................................. 99 8.1 EMP Table .......................................................................................... 99 8.2 Summary of Site and Activity Specific Plan as per EMP ..................................... 99 8.3 Responsibilities for EMP Implementation ................................................... 133 8.4 Environmental Monitoring Program .......................................................... 134 8.5 Capacity Building ............................................................................... 142 8.6 EMP Budget ...................................................................................... 143 8.7 EMP and EMoP in Bid Documents ............................................................. 143 9. CONCLUSION ........................................................................................... 146 i *OFFICIAL USE ONLY LIST OF FIGURES Figure 1: Proposed CPRR alignment ................................................................. 8 Figure 2: Section 2 Alignment Map .................................................................. 13 Figure 3: Land Use Map Along with Major Bridge Locations in the Section 2 ................. 14 Figure 4: Section 3 Alignment Map .................................................................. 15 Figure 5: Land Use Map Along with Major Bridge Locations in the Section 3 ................. 16 Figure 6: Alternative alignment study for section 2 .............................................. 19 Figure 7: Alternative alignment study for section 3 .............................................. 19 Figure 8: Proposed Cross section for Section 2 and Section 3 .................................. 27 Figure 9: Vehicular Underpass proposed at km 50/908 .......................................... 27 Figure 10: CD Structure (Box Culvert) Proposed at km 34/133 ................................. 28 Figure 11: Major Bridge proposed at km 29/200 .................................................. 28 Figure 12: Minor Bridge proposed at km 30/750 .................................................. 29 Figure 13: Interchange proposed in NH 716 (54/400) ............................................ 30 Figure 14: Interchange proposed in NH 48 (km 76/900) ......................................... 30 Figure 15: Environmental Clearance Procedures ................................................. 39 Figure 16: Elevation Profile in Section 2 ........................................................... 46 Figure 17: Elevation Profile in Section 3 ........................................................... 46 Figure 18: Earthquake Hazard Map ................................................................. 47 Figure 19: Mannur Reserve Forest (the area to be diverted ) ................................... 57 Figure 20: Presence of Pulicate Bird Sanctuary ................................................... 58 Figure 21: Grievance Redressal Committee for CPRR ............................................ 67 Figure 22: A-Weighted Vehicle Noise Emission Levels ........................................... 91 Figure 23: Implementation Arrangement for EMP .............................................. 133 LIST OF TABLES Table 1: Various sections under Chennai Peripheral Ring Road .......................................................... 7 Table 2: Comparison of Positive and Negative Impacts of ‘With’ and ‘Without’ Project Scenario ..................................................................................................................................................................... 20 Table 3: Field Survey and Investigation ....................................................................................................... 24 Table 4: Minor Bridges in Section 2 and Section 3 .................................................................................. 28 Table 5: Proposed Road Safety Measures .................................................................................................... 31 Table 6: Applicable Acts, Rules and Regulation ....................................................................................... 34 Table 7: Environmental Clearance/ NOC/Permission for the Contractor ....................................... 39 Table 8: National Drinking Water Quality Standards and WHO Guidelines ................................... 43 Table 9: International Treaties/ Conventions/ Declarations on Environment ............................. 44 Table 10: Ambient Air and Noise Quality Sampling Locations ............................................................ 49 Table 11: Ambient Air Quality Monitoring Results .................................................................................. 49 Table 12: Ambient Noise Level Monitoring Results ................................................................................. 50 Table 13: Surface water bodies along sections 2 and 3 ........................................................................ 51 Table 14: Water Quality Sampling Locations ............................................................................................. 52 Table 15: Surface Water Quality Results ..................................................................................................... 53 Table 16: Groundwater Quality Results ....................................................................................................... 54 Table 17: Forest Cover in Project Districts (units in Sq.km) .............................................................. 55 Table 18: Details of the Tree Species in the Project Area .................................................................