CENTRE FOR INTER-DISCIPLINARY STUDIES OF MOUNTAIN & HILL ENVIRONMENT University of Delhi, Delhi CISMHE Environmental Management Plan for 1750 MW Demwe Lower HE Project, Arunachal Pradesh Prepared for: Athena Demwe Power Private Limited, New Delhi JULY, 2009 DEMWE LOWER HE PRJECT (1750 MW) CISMHE CONTENTS Page No. CHAPTER 1 BIODIVERSITY CONSERVATION & WILDLIFE MANAGEMENT 1.1 INTRODUCTION 1-1 1.2 CONSERVATION STATUS AND MAJOR THREATS 1-3 1.3 BIODIVERSITY CONSERVATION PLAN 1-7 1.4 WILDLIFE MANAGEMENT PLAN 1-18 1.5 BIODIVERSITY MANAGEMENT COMMITTEE (BMC) 1-21 1.6 COST ESTIMATES 1-22 CHAPTER 2 CATCHMENT AREA TREATMENT PLAN 2.1 INTRODUCTION 2-1 2.2 APPROACH FOR STUDY 2-2 2.3 ESTIMATION OF SOIL LOSS USING SILT YIELD INDEX METHOD 2-14 2.4 WATERSHED MANAGEMENT – AVAILABLE TECHNIQUES 2-17 2.5 CATCHMENT AREA TREATMENT (CAT) PLAN 2-19 2.6 COST ESTIMATE 2-25 CHAPTER 3 FISHERIES DEVELOPMENT PLAN 3.1 INTRODUCTION 3-1 3.2 FISH COMPOSITION AND STATUS IN LOHIT RIVER 3-2 3.3 LIKELY IMPACTS ON FISH FAUNA 3-2 3.4 FISHERY DEVELOPMENT 3-3 3.5 BUDGET 3-5 CHAPTER 4 PUBLIC HEALTH DELIVERY SYSTEM 4.1 INTRODUCTION 4-1 4.2 PROMINENT DISEASES AND MEDICAL FACILITIES AVAILABLE 4-1 4.3 LIKELY IMPACTS ON HEALTH 4-5 4.4 PROPOSED MEDICAL FACILITIES 4-7 4.5 VETERINARY HOSPITAL 4-9 4.6 IMPROVEMENT OF EXISTING FACILITIES 4-9 4.7 FIRST-AID FACILITIES 4-10 4.8 BUDGET 4-10 Environment Management Plan-Contents i DEMWE LOWER HE PRJECT (1750 MW) CISMHE CHAPTER 5 SOLID WASTE MANAGEMENT 5.1 INTRODUCTION 5-1 5.2 COMPOSITION OF MUNICIPAL SOLID WASTES 5-2 5.3 ENVIRONMENTAL AND HEALTH IMPACTS DUE TO IMPROPER 5-3 SOLID WASTE MANAGEMENT 5.4 MUNICIPAL SOLID WASTE MANAGEMENT 5-4 5.5 SANITATION FACILITIES 5-7 5.6 MANAGEMENT OF WASTES FROM CONSTRUCTION ACTIVITIES 5-8 5.7 MANAGEMENT OF HAZARDOUS WASTES FROM HOSPITALS 5-9 5.8 OTHER MEASURES 5-9 5.9 COST ESTIMATE 5-10 CHAPTER 6 PROVISION FOR FUEL AND ENERGY CONSERVATION MEASURES 6.1 INTRODUCTION 6-1 6.2 NEED FOR THE FUEL AND ENERGY CONSERVATION 6-3 MEASURES 6.3 SUGGESTED MEASURES 6-3 CHAPTER 7 DISPOSAL AND REHABILITATION OF MUCK 7.1 INTRODUCTION 7-1 7.2 MUCK SOURCE AND VOLUME 7-1 7.3 SELECTION OF DUMPING SITES 7-2 7.4 MUCK REHABILITATION PLAN 7-4 7.4.1 Engineering Measures 7-4 7.4.2 Biological Measures 7-5 7.4.3 Utilisation of Dumping Site 7-8 7.5 BUDGETARY PROVISIONS 7-9 CHAPTER 8 RESTORATION OF CONSTRUCTION AREAS AND LANDSCAPING 8.1 INTRODUCTION 8-1 8.2 DISTURBED SITES AND THEIR RESTORATION 8-1 Environment Management Plan-Contents ii DEMWE LOWER HE PRJECT (1750 MW) CISMHE 8.3 QUARRY SITE 8-2 8.4 RESTORATION OF QUARRY SITES 8-2 8.5 ENGINEERING AND BIO-ENGINEERING MEASURES 8-2 8.6 COLONY AND OFFICE COMPLEX 8-4 8.7 RESTORATION OF COLONY AND OFFICE COMPLEXES 8-4 8.8 ROADS AND BRIDGES 8-6 8.9 COST ESTIMATES 8-9 CHAPTER 9 CREATION OF GREEN BELT AROUND THE RESERVOIR 9.1 INTRODUCTION 9-1 9.2 OBJECTIVES 9-1 9.3 SCHEDULE 9-4 9.4 BUDGET 9-5 CHAPTER 10 REHABILITATION & RESETTLEMENT PLAN 10.1 INTRODUCTION 10-1 10.2 OBJECTIVES OF THE RESETTLEMENT AND REHABILITATION 10-5 PLAN 10.3 APPROACH 10-7 10.4 LAND REQUIREMENT AND COMPENSATION 10-11 10.5 PROVISIONS MADE FOR SOCIO-ECONOMIC UPLIFTMENT 10-21 10.6 LOCAL AREA DEVELOPMENT PROGRAMME 10-27 10.7 ENVISAGED BENEFITS 10-32 10.8 PROPOSED FINANCIAL OUTLAY FOR LOCAL AREA 10-34 DEVELOPMENT PLAN 10.9 EVALUATION AND MONITORING 10-45 10.10 FINANCIAL PACKAGE FOR R & R PLAN 10-46 CHAPTER 11 DISASTER MANAGEMENT PLAN 11.1 INTRODUCTION 11-1 11.2 SEISMIC CONCERNS AND DISASTER MANAGEMENT 11-2 11.3 DAM BREAK STUDY 11-3 11.4 DISASTER MANAGEMENT PLAN 11-41 11.5 COST ESTIMATES 11-49 CHAPTER 12 COMPENSATORY AFFORESTATION SCHEME Environment Management Plan-Contents iii DEMWE LOWER HE PRJECT (1750 MW) CISMHE 12.1 INTRODUCTION 12-1 12.2 EXISTING FOREST AND IMPACTS DUE TO PROPOSED 12-1 PROJECT 12.3 COMPENSATORY AFFORESTATION SCHEME 12-2 12.4 SITES FOR COMPENSATORY AFFORESTATION 12-2 12.5 METHODOLOGY AND COMPONENTS 12-3 12.6 INSTITUTIONAL MECHANISMS 12-5 CHAPTER 13 RESERVOIR RIM TREATMENT PLAN 13.1 INTRODUCTION 13-1 13.2 RIVER BASIN CHARACTERISTICS 13-1 13.3 GEOLOGY OF THE RESERVOIR AREA 13-2 13.4 RESERVOIR STABILITY ANALYSIS 13-3 13.5 LANDSLIDE INVENTORY MAPPING 13-4 13.6 COST ESTIMATE 13-13 CHAPTER 14 CONSTRUCTION METHODOLOGY & EQUIPMENT PLANNING 14.1 INTRODUCTION 14-1 14.2 TRANSPORTATION OF MEN, MATERIAL AND EQUIPMENT 14-1 14.3 CONSTRUCTION POWER 14-2 14.4 TELECOMMUNICATION 14-4 14.5 CONSTRUCTION METHODOLOGY 14-4 14.6 CONSTRUCTION MAMATERIAL 14-11 CHAPTER 15 ENVIRONMENTAL MONITORING PROGRAMME 15.1 INTRODUCTION 15-1 15.2 AREAS OF CONCERN 15-1 15.3 TOTAL BUDGET FOR ENVIRONMENTAL MONITORING PROGRAMME 15-6 CHAPTER 16 COST ESTIMATES 16.1 COST FOR IMPLEMENTING ENVIRONMENTAL 16-1 MANAGEMENT PLAN Environment Management Plan-Contents iv DEMWE LOWER HE PRJECT (1750 MW) CISMHE TABLES TABLE CONTENT 1.1 : SUMMARY TABLE OF PLANTS BELONGING TO DIFFERENT GROUPS RECORDED DURING THE VEGETATION SURVEY 1.2 : CONSERVATION STATUSES OF THE FLORA SPECIES IN THE DEMWE LOWER HYDROELECTRIC PROJECT 1.3 : CONSERVATION STATUS OF THE FAUNAL SPECIES IN THE STUDY AREA, INFLUENCE ZONE AND CATCHMENT AREA OF DEMWE LOWER HYDROELECTRIC PROJECT 1.4 : COST ESTIMATES FOR ESTABLISHMENT OF GARDENS FOR VOUCHER SPECIMEN 1.5 : COST ESTIMATES FOR ESTABLISHMENT OF BUTTERFLIES GARDENS 1.6 : COST ESTIMATES FOR FOREST PROTECTION PLAN 1.7 : COST ESTIMATES FOR WILDLIFE MANAGEMENT PLAN FOR DEMWE LOWER H.E. PROJECT 1.8 : THE ESTIMATED COST OF BIODIVERSITY CONSERVATION AND MANAGEMENT PLAN 2.1 : LAND USE CLASSIFICATION FOR FREE DRAINING CATCHMENT AT DIVERSION SITE 2.2 : AREAS FALLING UNDER DIFFERENT SLOPE CATEGORIES 2.3 : SOIL LOSS RANGES FOR THE RIVER CATCHMENT 2.4 : CRITERIA FOR EROSION INTENSITY RATE 2.5 : BASIS FOR SELECTION OF CATCHMENT AREA TREATMENT MEASURES 2.6 : EROSION INTENSITY CATEGORIZATION AS PER SYI CLASSIFICATION 2.7 : EROSION INTENSITY RATES OF CATCHMENT AREA 2.8 : SUB-WATERSHED WISE PROPOSED TREATMENT MEASURES 2.9 : COST ESTIMATE FOR CATCHMENT AREA TREATMENT OF LOWER DEMWE HEP Environment Management Plan-Tables i DEMWE LOWER HE PRJECT (1750 MW) CISMHE TABLE CONTENT 2.10 : YEAR WISE TARGET (PHYSICAL AND FINANCIAL) FOR CATCHMENT AREA TREATMENT PLAN 3.1 : YEAR-WISE BREAK UP OF COST ESTIMATES FOR FISHERIES DEVELOPMENT IN PROPOSED DEMWE LOWER H.E. PROJECT 4.1 : MAJOR DISEASES PREVALENT IN ARUNACHAL PRADESH 4.2 : MEDICAL FACILITIES IN LOHIT DISTRICT AND ITS TWO CIRCLES TEZU AND WAKRO AS WELL AS IN ANJAW DISTRICT 4.3 : HEALTH ISSUES ASSOCIATED WITH HYDRO POWER PROJECTS 4.4 : PROPOSED MEDICAL FACILITIES IN DEMWE LOWER H.E. PROJECT AREA 4.5 : LIVESTOCK IN TEZU AND WAKRO CIRCLES 4.6 : INFRASTRUCTURE FOR ANIMAL HUSBANDRY 4.7 : ESTIMATED COST FOR SETTING UP OF MEDICAL FACILITIES 5.1 : EXPECTED TYPICAL COMPOSITION OF WASTE IN PROPOSED DEMWE LOWER HYDROELECTRIC PROJECT. 5.2 : TYPICAL COMPOSITION OF MUNICIPAL SOLID WASTES EXPECTED IN DEMWE LOWER HEP. 5.3 : CHEMICAL COMPONENTS OF MUNICIPAL SOLID WASTES EXPECTED IN DEMWE LOWER HEP. 5.4 : PERIODIC WORKFORCE REQUIREMENT DURING THE CONSTRUCTION OF THE PROPOSED DEMWE LOWER H.E. PROJECT 5.5 : TOTAL MIGRANT POPULATION EXPECTED IN THE DEMWE LOWER H.E. PROJECT 5.6 : ESTIMATED COST FOR THE SOLID WASTE MANAGEMENT IN THE DEMWE LOWER H.E. PROJECT 6.1 : ESTABLISHMENT OF NEW LPG DEPOTS AND COMMUNITY KITCHENS IN THE PROJECT AREA 6.2 : FINANCIAL PROVISION FOR ENERGY CONSERVATION MEASURES IN THE PROJECT AREA 7.1 : STATUS OF MUCK GENERATION IN DEMWE LOWER H.E. PROJECT 7.2 : DIMENSIONS OF MUCK DISPOSAL SITES 7.3 : PLANT SPECIES RECOMMENDED FOR PLANTATION IN THE Environment Management Plan-Tables ii DEMWE LOWER HE PRJECT (1750 MW) CISMHE TABLE CONTENT DUMPING SITES 7.4 : COST ESTIMATE FOR DIFFERENT MEASURES AT THE DUMPING 8.1 : AREA AND LOCATION OF THE QUARRY SITE PROPOSED IN THE DEMWE LOWER H.E. PROJECT 8.2 : AREA AND LOCATION OF COLONIES, OFFICE COMPLEXES, JOB SITE AND OTHER SITES IN THE PROPOSED DEMWE LOWER H.E. PROJECT 8.3 : ROADS AND BRIDGES IN THE PROPOSED PROJECT AREA OF DEMWE LOWER HE PROJECT 8.4 : SOME IMPORTANT PLANT SPECIES FOR PLANTATION IN THE COLONY AREA, QUARRY SITES AND ALONG THE ROAD SIDES 8.5 : COST ESTIMATES FOR RESTORATION WORKS AND LANDSCAPE DESIGNING 9.1 : LAND USE/LAND COVER OF DIFFERENT GREEN BELT LAYERS 9.2 : PLANTATION LAYOUT FOR THE GREEN BELT 9.3 : PHYSICAL AND FINANCIAL BREAK UP FOR THE CREATION AND MAINTENANCE OF GREEN BELT AROUND THE RESERVOIR OF DEMWE LOWER HE PROJECT 10.1 : COMPARATIVE STATEMENT INDICATING R&R PACKAGE AND LADP ADOPTED IN FORMULATING THE PROPOSAL VIS-À-VIS PROVISIONS OF NPRR, 2007, ARUNACHAL POLICY, 2008 AND DRAFT TRIBAL POLICY, 2009. 10.2 : ABSTRACT OF LAND REQUIREMENT FOR DEMWE LOWER HEP (PROPERTY SURVEY, 2008). 10.3 : COMPENSATION FOR LAND ACQUISITION IN DEMWE LOWER HEP 10.4 : COMPENSATION FOR STANDING TREES ON THE LAND TO BE ACQUIRED IN DEMWE LOWER HEP (PROPERTY SURVEY, 2008) 10.5 : R&R PACKAGE FOR THE PROJECT AFFECTED FAMILIES OF PROPOSED DEMWE LOWER H.E. PROJECT 10.6 : STATUS OF BASIC AMENITIES IN THE VILLAGES OF INFLUENCE ZONE OF DEMWE LOWER HEP. 10.7 : COST ESTIMATES FOR THE INFRASTRUCTURE DEVELOPMENT IN THE AFFECTED AREA OF DEMWE LOWER H.E.