ENVIRONMENTAL MANAGEMENT PLAN OF DIBANG MULTIPURPOSE PROJECT , ARUNACHAL PRADESH Prepared for NHPC Limited WAPCOS LIMITED CONTENTS SERIAL PAGE CONTENTS NO. NO. CHAPTER 1 PROJECT DESCRIPTION 1.1 Introduction 1-1 1.2 Dibang Multipurpose Project: Historical Milieu 1-2 1.3 Environmental Management Plan (EMP) 1-3 1.4 Outline of Environmental Management Plans 1-4 CHAPTER 2 BIODIVERSITY CONSERVATION AND MANAGEMENT PLAN 2.1 Introduction 2-1 2.2 Compensatory Afforestation 2-1 2.3 Conservation Plan for Endangered species of plants 2-1 2.4 Establishment of Gardens for Voucher Specimen 2-4 2.5 Wildlife Conservation 2-5 2.6 Biodiversity Conservation 2-7 2.7 Preparation of peoples Biodiversity Registers (PBR) 2-11 2.8 Forest Protection Plan 2-11 2.9 Safeguards during construction phase 2-13 2.10 Biodiversity Management Committee (BMC) 2-14 2.11 Cost Estimate for Biodiversity Conservation Plan 2-15 CHAPTER 3 CATCHMENT AREA TREATMENT PLAN 3.1 Introduction 3-1 3.2 Catchment Area Treatment 3-2 3.3 Estimation of Soil Erosion 3-2 3.3.1 Drainage 3-3 3.3.2 Delineation of Watersheds and Sub-watersheds 3-3 3.3.3 Slope 3-4 3.3.4 Land Use/ Land Cover Mapping 3-6 3.3.5 Soils 3-11 3.3.6 Sediment Yield Index Model 3-12 3.3.7 Sediment Yield Weightage Value 3-13 3.3.8 Delivery Ratio 3-14 3.3.9 Sediment Yield Index 3-14 3.3.10 Prioritization of Subwatersheds 3-14 3.4 Methodology for Prioritization 3-14 3.5 Assignment of Erosivity Weightage Value 3-15 3.6 Assignment of Delivery Ratios (DRs) 3-16 3.7 Computation of Silt Yield Index 3-16 3.8 Prioritization of Subwatersheds 3-20 3.9 Area Identified for CAT 3-21 3.10 Period and Schedule of Implementation 3-22 3.11 Details of Treatment Measures with Unit Cost Estimate 3-26 3.11.1 Silt Retention Dams 3-26 3.11.2 Contour bunding 3-27 3.11.3 Brush Wood Check Dams 3-27 3.11.4 Loose Bolder Check Dam 3-28 i 3.11.5 Gabion Structures 3-30 3.11.6 Biological Measures 3-30 3.12 Administrative Charges 3-31 3.13 Administrative Setup 3-31 3.14 Contingency Charges 3-31 3.15 Monitoring, Evaluation and Maintenance 3-32 3.16 Cost Estimate 3-32 3.17 Cost Estimate for CAT Plan 3-34 CHAPTER 4 FISH MANAGEMENT PLAN 4.1 Introduction 4-1 4.2 Fish In Dibang River 4-1 4.3 Conservation And Management Considerations Of Dibang 4-2 River 4.4 Management Measures 4-3 4.5 Recommendations 4-5 4.5.1 Fish Hatchery 4-5 4.5.1.1 Seed Collection 4-5 4.5.1.2 Analysis of Water Quality 4-6 4.5.1.3 Seed Stocking 4-6 4.5.1.4 Organization of Fishermen 4-6 4.5.1.5 Other Requirements 4-6 4.5.1.6 Conservation of Downstream River Bed 4-6 4.5.2 Management of Reservoir Fisheries 4-7 4.5.2.1 Institutional Mechanism 4-7 4.5.2.2 Staffing Pattern 4-7 4.5.2.3 Planning and Monitoring 4-8 4.6 Cost Estimates for Fish Management Plan 4-8 CHAPTER 5 GREENBELT DEVELOPMENT PLAN 5.1 Introduction 5-1 5.2 Plantation 5-1 5.3 Cost Estimate for Greenbelt Development 5-2 CHAPTER 6 GEO - ENVIRONMENTAL MANAGEMENT PLAN 6.1 Introduction 6-1 6.2 Landslide Control 6-1 6.2.1 Landslide Control Measures 6-1 6.2.2 Treatment of slope conformation 6-2 6.3 Drainage of Landslide Areas 6-3 6.4 Mitigation Measures 6-6 6.5 Cost Estimate for Geo-Environmental Management Plan 6-12 CHAPTER 7 MUCK DISPOSAL PLAN 7.1 General 7-1 7.2 Muck Disposal Areas 7-1 7.3 Restoration of Muck Disposal Sites 7-2 7.3.1 Engineering Measures 7-2 ii 7.3.2 Phyto-remediation of Muck Disposal Areas 7-2 7.3.2.1 Re-vegetation of Spoil Tips 7-7 7.3.2.2 Soil Working and Plantation Technique 7-7 7.3.2.3 Species for Plantation 7-9 7.3.2.4 Irrigation Facility 7-9 7.3.2.5 Fencing 7-9 7.3.2.6 Watch and Ward 7-9 7.4 Recommendations 7-9 7.5 Cost Estimate for Muck Disposal Plan 7-10 CHAPTER 8 RESTORATION PLAN FOR QUARRY AREAS 8.1 Quarry Sites 8-1 8.2 Stabilization of Quarry Sites 8-5 8.2.1 Stabilization through phytoremediation 8-5 8.3 Cost Estimates for Restoration Plan for Quarry Areas 8-8 CHAPTER 9 LANDSCAPING AND RESTORATION OF CONSTRUCTION AREAS AND ENVIRONMENTAL MANAGEMENT IN ROAD CONSTRUCTION 9.1 Restoration of Construction Sites 9-1 9.2 Post Project Construction Landscaping 9-1 9.3 Cost estimate for Restoration of Construction Areas 9-2 9.4 Environmental Management in Road Construction 9-2 9.4.1 Design 9-3 9.4.2 Construction 9-3 9.4.3 Drainage 9-4 9.4.4 Grassing and Planting 9-4 9.4.5 Control of Landslides along the roads 9-5 9.4.6 Species recommended for plantation 9-5 Cost estimate for Environmental Management in Road 9.4.7 9-6 Construction 9.5 Restoration of Colony and Office Complex 9-6 Cost estimate for Landscaping & Restoration of 9.6 Construction areas and Environmental Management in 9-7 Road Construction CHAPTER-10 PUBLIC HEALTH DELIVERY SYSTEM 10.1 General 10-1 10.2 Mosquito Control Measures 10-1 10.2.1 Reservoir Operation 10-1 10.2.2 Residential Colonies For The Workers 10-1 10.2.3 Other Measures 10-2 10.3 Traditional Medicinal Practices 10-2 10.4 Development of Medical Facilities 10-2 10.4.1 Manpower 10-2 10.4.2 Proposed Health Facilities at Construction Sites and Labour 10-3 Camp 10.5 Surveillance 10-4 10.5.1 Malaria Control Activities 10-4 10.5.2 Vaccination and Health Check-Up Camps 10-5 iii 11.5.3 Health Extension Activities 10-5 10.6 Cost Estimates for Public health Delivery System 10-5 10.6.1 Fixed Cost (Non-Recurring) 10-6 10.6.2 Variable Cost (Recurring) 10-6 10.6.3 Overall Expenditure 10-7 CHAPTER 11 PLAN FOR SOLID WASTE MANAGEMENT AND SANITATION FACILITIES IN LABOUR CAMPS 11.1 Introduction 11-1 11.2 Quantity of Solid Waste Generation 11-1 11.3 Composition of Municipal Solid Wastes 11-2 11.4 Administrative Set Up 11-3 11.5 Solid Waste Management Plan 11-4 11.5.1 Segregation at source 11-4 11.5.2 Primary Storage of Wastes 11-5 11.5.3 Collection of Solid Wastes 11-7 11.5.4 Waste Handling 11-8 11.5.5 Transportation of Solid Wastes 11-8 11.6 Disposal of Solid Waste (Non-degradable Portion) 11-9 11.7 Treatment of Solid Waste (Degradable Portion) 11-10 11.8 Sanitation Facilities in Labour Camps 11-11 11.8.1 Increase in Labour Population 11-11 11.8.2 Facilities in Labour Camps 11-11 11.9 General Sanitary Measures 11-13 11.10 Cost estimate for Solid Waste Management Plan 11-13 CHAPTER 12 SAFETY PRACTICES DURING CONSTRUCTION PHASE 12.1 Introduction 12-1 12.2 Traffic Management During construction phase 12-1 12.3 Measures to be taken during Excavation of Earth 12-1 12.4 Safety practices during construction phase 12-2 12.5 Fire protection in labour camp and staff colonies 12-2 12.6 Cost estimate for safety practices during construction phase 12-5 CHAPTER 13 ENERGY CONSERVATION MEASURES 13.1 Introduction 13-1 13.2 Energy Conservation during construction phase 13-1 13.2.1 Construction of LPG depot & LPG Connection 13-1 Other Energy Conservation measures during construction 13.2.2 13-2 phase 13.3 Energy conservation during operation phase 13-2 13.4 Energy saving measures for population in study area 13-2 13.4.1 Distribution of Kerosene oil stoves 13-2 13.4.2 Distribution of Pressure Cookers 13-3 13.4.3 Solar Cookers 13-3 13.4.3 Installation of Improved Chulhas 13-4 13-4 13.5 Cost Estimate for Energy Conservation measures iv CHAPTER 14 RESETTLEMENT AND REHABILITATION PLAN 14.1 Existing Guidelines for Resettlement Programme in 14-1 Arunachal Pradesh 14.2 Objectives of R&R Plan 14-2 14.3 Definitions 14-3 14.4 Resettlement and Rehabilitation Grants 14-6 14.4.1 Compensation for Land along with Rights and Privileges 14-6 14.4.2 Housing Benefit and Compensation 14-7 14.4.3 Land Allotment and Compensation 14-7 14.4.4 Ex Gratia for the Landless 14-8 14.4.5 Ex Gratia for those Affected Families who are left with less 14-8 than 1 ha of land 14.4.6 Land Development Assistance 14-8 14.4.7 Livelihood Grant for Landless 14-8 14.4.8 Livelihood Grant for those who have been left with less than 14-8 1 ha of land 14.4.9 Financial Assistance for Self Employed 14-9 14.4.10 Transportation Grant 14-9 14.4.11 Assistance for Construction of Cattle shed 14-9 14.4.12 Subsistence Allowance 14-9 14.4.13 Pension for Life for Vulnerable Affected Persons 14-9 14.4.14 Schedule Tribe Family Grant 14-9 14.4.15 Training for Livelihood 14-10 14.4.16 Free Electricity 14-10 14.4.17 Special Provision 14-10 14.5 Financial Outlay for R&R Benefits 14-10 14.6 Application for Grant and Grant Distribution 14-12 14.7 Infrastructure Facility at Resettlement Site / Colony 14-12 14.7.1 Financial Outlay for Infrastructure Facilities 14-13 14.8 Lump sum Cash Assistance 14-15 14.9 Monitoring and Evaluation 14-15 14.10 Cost estimate for R&R Plan 14-16 CHAPTER 15 COMMUNITY AND SOCIAL DEVELOPMENT PLAN 15.1 Community and Social Development Plan (CSDP) 15-1 15.1.1 Aim of CSDP 15-1 15.1.2 Objectives of CSDP 15-1 15.2 Concerns raised during Public Hearing 15-2 CHAPTER 16 PLAN FOR PROTECTION OF CULTURAL IDENTITY OF LOCALS 16.1 Introduction 16-1 16.2 Strategies / Guidelines 16-1 16.3 Protection of Cultural Identity of Local Tribal 16-1 16.4 Protection of the Natural Habitat of Local Tribals 16-2 16.5 Regulation of Traffic on Roads 16-2 16.6 Institutional Arrangements 16-3 16.7 Action Plan 16-3 v 16.8 Surveillance Measures 16-4 16.9 Support to cultural Heritage/Programmes 16-4 16.9 Cost estimate of Plan for Protection of Cultural identity of 16-5 locals CHAPTER 17 CONTROL OF WATER, AIR AND NOISE POLLUTION 17.1 Water Pollution Control 17-1 17.1.1 Control of water pollution during construction phase 17-1 17.1.2 Control of Water Pollution during operation phase 17-1 17.2 Air Pollution Control 17-2 17.2.1 Control of Emissions 17-2 17.2.2 Control of Air Pollution due to DG Sets 17-2 17.2.3 Dust Control 17-3 17.3 Noise control Measures 17-4 17.3.1 Control of Noise from construction equipment