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DRAFT TERMS OF REFERENCE

FOR

ENVIRONMENTAL IMPACT ASSESSMENT (EIA) STUDY FOR SINGRAULI SUPER THERMAL POWER PROJECT, STAGE-III (2X660MW),

NTPC LIMITED

(A Government of India Enterprise)

Environmental Engineering Department Engineering Office Complex

Sector - 24, NOIDA, U.P.-201 301

October, 2016

Draft Terms of Reference for EIA Study for Singrauli Super Thermal Power

Project, Stage-III (2x660 MW)

DOC. NO.:1150/999/GOG/M/001 REV. NO.: 0 REV. DATE: 07.10.2016 Page 1 of 15

Environmental Engineering Department

DRAFT TERMS OF REFERENCE

FOR

ENVIRONMENTAL IMPACT ASSESSMENT (EIA) STUDY FOR SINGRAULI SUPER THERMAL POWER PROJECT, STAGE-III (2X660 MW)

SPECIFICATION NO.:1150/999/GOG/M/001

This is Technical Specification for conducting EIA study for Singrauli Super Thermal Power Project, Stage-III (2x660 MW).

This document has a restricted distribution and may be used by the recipients

only for the performance of official duties. Its contents shall not be disclosed/loaned/copied either in part or as whole without written permission of NTPC.

October, 2016





TABLE OF CONTENT

1. Introduction 1.1 Objectives

2. Scope of Services 2.1 Stage – A

Description of Site and Surrounding Description of the Proposed Project Description of Alternate Sites Establishment of Baseline Conditions

2.2 Stage – B Prediction of Impacts Disaster Management and Occupational Health

and Safety Plan Environmental Management Plan

2.3 Stage – C Preparation of EIA Report

3. Time Schedule

Annexures

Annexure-I: Summary of Scope Annexure-II: Primary Data Collection/ Monitoring Schedule





1.0 INTRODUCTION NTPC is operating a coal based power plant of 2000 MW capacity at Shakti Nagar, Sonebhadra district of Uttar Pradesh state. NTPC now proposes to augment the capacity by addition of 2x660 MW units under Stage-III.

The Singauli STPP is located in villages Kota, Chilkatand, Nimiya Tand, Telgawan, Paraswar Raja, Marrak, Meshra, Bhairwan on the northern bank of Rihand reservoir near Shakti Nagar in district Sonebhadhra of Uttar Pradesh close to the state boundary of Madhya Pradesh. Nearby Railway stations are at Shaktinagar and Renukoot located at a distance of about 3 kms and 60 km. respectively. Mirzapur station is approximate 200 km. from the project. The project is approachable from Renukoot-Singrauli road through an approach road and also via Waidhan in Madhya Pradesh (at about 8 km from Waidhan). The nearest airport is Varanasi located at a distance of approximately 200 km from the project site.

Vicinity map of the project is shown in Exhibit-1.

The major components of the project are located between the following longitudes and latitudes:

Main Plant 24o05o53” to 24o06o56” N 82o41o15” to 82o43o17” E

Township 24o06o30” to 24o07o24” N 82o40o47” to 82o42o05” E

Ash Dykes (S-1 and S-2) in Service 24o02o41” to 24o04o08” N 82o41o47” to 82o43o14” E

Khadia Ash Dyke (Abandoned) 24o05o59” to 24o07o03” N 82o44o27” to 82o45o32” E

The proposed units under Stage-III shall be established within the land already acquired during Stage-I & II of the project. The water requirement of the proposed will be met from the discharge channel of Stage-II.

1.1 OBJECTIVE:

In order to identify the environmental impacts due to the construction and operation of the power plant and associated facilities (like township, ash disposal area etc.) an Environmental Impact Assessment (EIA) study is proposed to be undertaken. The aim of the study is to establish the existing environmental conditions, predict cumulative impacts of the power plant and associated facilities and formulate the Environmental Management Plan (EMP). The EIA report is required for seeking Environmental Clearance (EC) from Ministry of Environment & Forests (MOEF&CC), No Objection Certificate (NOC) from State Pollution Control Board (SPCB) and clearance from funding agencies wherever applicable.





2.0 SCOPE OF SERVICES: The EIA study is to be conducted covering all the disciplines of environment (Land Use, Water Use, Demography & Socio-economics, Geology, Soils, Sediments, Hydrology, Water Quality, Meteorology, Air Quality, Terrestrial Ecology, Aquatic Ecology and Noise) and 12 (twelve) months field monitoring in relevant disciplines. The consultant will also be required to present the findings of the EIA report before the Public Hearing committee, SPCB and Expert Appraisal Committee (EAC) of the MOEF&CC, and submit all clarifications/replies to queries for obtaining NOC from the State Pollution Control Board and EC from MOEF&CC. The EIA Report shall be framed in accordance with EIA Notification of MOEF&CC dated 14.09.2006 and its amendments. The Scope of Services for the study will comprise of the following stages:-

Stage 'A' Description of Site and Surrounding Description of the existing units and proposed project Establish Baseline Conditions

Stage 'B’ Impact Assessment Preparation of

Risk Assessment and Disaster Management Plan, Occupational Health and Safety Plan, Environmental Management Plan and Green Belt Development & Afforestation Plan

Stage 'C' Preparation of EIA Documents Draft EIA Report based on one season data and

Executive Summary of Draft EIA Report in English and Local Language

Final EIA Report incorporating the issues raised during Public Hearing

2.1 STAGE 'A': Description of Site and Surrounding The salient features in the core area which covers a radius of 15 km around the project site should be spelt out and highlighted on a colour map of appropriate scale. National Park, Tiger Reserve/Elephant Reserve/Turtle Nesting Ground, Core Zone of Biosphere Reserve, Habitat for migratory bird, Lakes/ Reservoir/ Dam, Streams/ Lakes, Estuary/Sea, Mangroves, Mountains/ Hills, Notified/ other Archeological Sites, Industries/Thermal Power Plants, Defense Installation, Airport be established, especially within 15 km radius of core area around the project boundary through primary and secondary data collection. However, the general area of study will cover a 25-km radius around project site and important reference points like Railway Station, Airport, City, Ecologically sensitive areas etc. falling within 25 km radius be also shown on a colour map.





Description of the Existing Units and Proposed Project Highlight the salient features of the project likely to affect the environment based on Feasibility Report of the project prepared by NTPC.

The details of existing units along with compliances of relevant clearances and Annual Environmental Statements will also be included.

Establishment of Baseline Conditions Baseline conditions in respect of Land Use, Water Use, Demography & Socio-economics, Geology, Soils, Sediments, Hydrology, Water Quality, Meteorology, Air Quality, Terrestrial Ecology, Aquatic Ecology and Noise be established. Please refer Annexure-I and II for details on establishment of Baseline Conditions.

Annexure-I: Summary of Scope

Annexure-II: Primary Data Collection/ Monitoring Schedule However, the details presented in Annexure-I and II are only indicative and not exclusive. Further, the consultant shall review and analyse all information available in publications (like District Census Handbook etc.) and unpublished data available with various Government, educational and other institutions for each discipline, to characterise the environment of the area. The consultant shall explore all possible sources of secondary data, generate relevant primary data and satisfy himself for preparation of EIA Report to the satisfaction of NTPC, State Pollution Control Boards/ Ministry of Environment and Forests &CC.

2.2 STAGE 'B':

Prediction of Impacts The features of the power plant which are likely to have impact on the environment have to be discussed in detail covering gaseous emission, liquid effluents, particulates, solid wastes, noise, etc.

The impacts will be assessed for both construction and operation phases. Both short term and long term impacts on sensitive areas if any such as habitat of endangered species of wildlife or plants, sites/monuments of historical and cultural importance, centers with concentrated population in the core/study area etc., will be established wherever applicable.

The cumulative study should also include impacts on air, water, soil and socio-economics in area.

The detailed methodologies of impact assessment for the different disciplines of study will be broadly defined by the consultant in his offer. Special reference should be made with respect to following impacts:





Impacts on Air Quality: A computer based internationally recognized mathematical air quality model (e.g., ISC3) suitable for the region will be identified and run to predict the concentration of SO2, NOx, PM10 due to the operation of the power plant. Impact of transportation of fuel on the ambient air quality shall also be assessed separately and mitigation measures proposed. Cumulative impact assessment on ambient air quality due to proposed expansion/ stage and other sources (including existing sources around the project as well as other proposed source of emission) to be carried out. The results will be presented for annual, seasonal and short term (24 hourly) concentrations over a radius of 15 Km around the plant. The dispersion model results will be included in the report using isopleths or other graphical methods, overlaying a land use map of the surrounding area. The predicted air quality has to be compared with existing regulations and mitigative measures, if any, to be identified. The impact at all the monitoring locations shall also be estimated.

Cumulative impacts of all sources of emissions including handling and transportation of existing and proposed projects on the environment of the area shall be assessed in detail. Details of the Model used and the input data used for modeling shall also be provided. The air quality contours shall be plotted on a location map showing the location of project site, other existing and new proposed projects in area, habitation nearby, sensitive receptors, if any. The wind rose and isopleths should also be shown on the location map.

Impacts on Water Quality: The impact of liquid effluents on natural water bodies receiving the effluents shall be established and significant parameters, which are likely to change critically are to be clearly spelt out. Studies are to be conducted to understand the possibilities of contamination of ground water from the ash pond leachates, based on probable composition of leachate infiltration characteristics of soil and geological characteristics of the ash disposal area. If the possibility of significant ground water contamination is established, suitable techno-economically viable mitigation measures are to be suggested.

Cumulative impact due to existing and other proposed projects on water quality (surface water and ground water) shall be assessed.

Impacts on Land Use: The land requirement for the project including plant, township, ash disposal, corridors etc. is to be spelt out. The classification of land with respect to agricultural/ forest/ waste land/ Govt. land/ Private Land, Revenue land should also be indicated. The classification of land in study area with respect to agricultural/forest/waste/Govt./Private and Revenue should also be indicated. Satellite imagery (IRS/NRSA Satellite maps) and authenticated topo sheet indicating drainage, cropping pattern, water bodies (wetland, river system,





stream, nallahs, ponds etc.), location of nearest habitations (villages), rivers, reservoirs etc. in the study area shall be provided. The direct and indirect impacts of construction of power project on the land use of the study area shall be assessed based on experience.

Social Impacts: Impacts on demographic and socio-economic characteristics of the population shall be established qualitatively based on experiences. In addition, the impacts of displacements and needs for resettlement of people from whom the land is to be acquired for the project shall be covered, if applicable.

Cumulative impact due to existing and other proposed projects on socio-economic conditions of area shall be assessed.

Prediction of Noise Levels: The noise level at varying distances for multisource will be predicted using suitable model. A comparison of measured noise (Leq) at monitoring locations to that of predicted noise levels (Leq) should be made and mitigatory measures required, if any, be recommended to conform to regulatory ambient air noise standards.

Impacts on Ecology: Impacts on terrestrial and aquatic ecosystems shall be established qualitatively based on predicted changes in the ambient air and water quality and experiences in similar power projects. Impact on aquatic ecosystem due to withdrawal of water from water source will be provided.

Risk Assessment and Disaster Management Plan: A Disaster Management Plan (DMP) along with risk assessment study including fire and explosion issues due to storage and use of fuel should be carried out. It should take into account the maximum inventory of storage at site at any point of time. The risk contours should be plotted on the plant layout map clearly showing which of the proposed activities would be affected in case of an accident taking place. Based on the same, proposed safeguard measures should be provided. Measures to guard against fire hazards should also be invariably provided. Mock drills shall be suitably carried out from time to time to check the efficiency of the plans drawn.

The DMP so formulated shall include measures against likely Fires/Tsunami/Cyclones/Storm Surges/Earthquakes etc, as applicable. It shall be ensured that DMP consists of both On-site and Off-site plans, complete with details of containing likely disaster and shall specifically mention personnel identified for the task. Smaller version of the plan for different possible disasters shall be prepared both in English and local languages and circulated widely.

Occupational Health and Safety Plan Occupational health and safety measures for the workers including identification of work related health hazards shall be formulated.





Environmental Management Plan (EMP): An EMP identifying the measures to mitigate the adverse impacts of emissions and effluents will be prepared covering construction and operational phases. It will also include a green belt/ Afforestation plan. Role and capability of existing environmental units on site will be examined. Considering the requirements of Regulatory Agencies and identified critical parameters, the consultant will design a post study environmental monitoring program and identify all equipment and man power necessary for the implementation of this program and cost involved.

Green Belt Development/ Afforestation Plan: Detailed scheme for raising green belt of native species of appropriate width (50 to 100 m) and consisting of at least 3 tiers around plant boundary with tree density of 2000 to 2500 trees per ha with a good survival rate of around 80% shall be submitted. Photographic evidence must be created and submitted including NRSA reports. A shrub layer beneath tree layer would serve as an effective sieve for dust and sink for CO2 and other gaseous pollutants and hence a stratified green belt should be developed.

Social Impact Mitigation Plan: Action Plan for identification of local employable youth for training in skills, relevant to the project, for eventual employment in the project itself shall be formulated and numbers specified during construction & operation phases of the Project. The issues of the tribal population shall be identified and plans to ensure the protection of the rights of tribals shall be presented. A detailed CSR plan along with activities wise break up of financial commitment shall be presented. CSR component shall be identified considering need based assessment study and Public Hearing issues. Sustainable income generating measures which can help in upliftment of affected section of society, which is consistent with the traditional skills of the people shall be identified. Separate budget for community development activities and income generating programmes shall be specified.

Rainwater Harvesting Plan: Detailed plan for rainwater harvesting and its proposed utilization in the plant shall be furnished.

2.3 STAGE: 'C': Preparation of EIA Report Stage-C includes preparation of reports –





Draft EIA Report based on one season data and Executive Summary of Draft EIA Report in English and Local Language

Final EIA Report incorporating the issues raised during Public Hearing The report will include all references, and fulfills the requirements of MOEF&CC. The basic format of the EIA document will be finalized in consultation with Engineer-In-Charge (E-I-C). However, the field monitoring shall continue for one full year.





Annexure-I

STAGE–A: ESTABLISHMENT OF BASELINE CONDITIONS: SUMMARY OF SCOPE

Discipline Scope

General General description of the core study area (15 km radius around project site) and general study area (25 km radius around project site)

Satellite imagery and authenticated topo sheet indicating drainage, cropping pattern, water bodies (wetland, river system, stream, nallahs, ponds etc.), location of nearest habitations (villages), creeks, mangroves, rivers, reservoirs etc. in the study area shall be provided.

Highlight land, fuel and water requirements for the project and associated facilities as assessed by NTPC in Feasibility Report

Infrastructure facilities and amenities available within the study area.

Land Use Procurement and analysis of current Satellite Imagery for core study area (15 km.) along with ground truth verification.

Analysis of Census Data for various land uses within core study area be highlighted.

Present land use (including land class/kism) as per the revenue records and State Govt. records of the proposed site shall be furnished.

A detailed study on land use pattern in the study area shall be carried out including identification of common property resources (such as grazing and community land, water resources etc.) available and action plan for its protection and management shall be formulated.

Water Use Assessment of water sources, current water use and identify conflicts, if any for core study area based on secondary data.

Source of water and its sustainability even in lean season shall be provided along with details of ecological impacts arising out of withdrawal of water and taking into account inter-state shares (if any). Information on other competing sources downstream of the proposed project and commitment regarding availability of requisite quantity of water from the Competent Authority shall be provided along with letter / document stating firm allocation of water.





Demography & Socio-economics

Establishment of demographic characteristics and occupational structure of population within core study area based on Census Data, 2011.

Topography and Geology

Description of the topography of the study area. The geographical coordinates (WGS 84) of the proposed

site (plant boundary), including location of ash pond along with topo sheet (1:50,000 scale) and IRS satellite map of the area, shall be submitted. Elevation of plant site and ash pond with respect to Full Reservoir Level (FRL) of Rihand Reservoir shall be specified.

Presentation of geological map, geological profile and brief geological description of the study area, specially with respect to ash disposal area, based on secondary data.

A mineralogical map of the proposed site (including soil type) and information (if available) that the site is not located on potentially mineable mineral deposit shall be submitted.

Soil Establishment of physico-chemical characteristics and nutrient levels of soil in core study area based on primary data generation (Annexure-II).

Establishment of infiltration characteristics of soil in and around the ash disposal area based on primary data generation (Annexure-II).

Hydrology and Hydrogeology

Establishment of surface and ground water hydrology of core study area based on secondary data.

Hydro-geological study of the area to assess the impact on ground and surface water regimes. Specific mitigation measures shall be spelt out and time bound Action Plan for its implementation shall be submitted.

Water Quality Establishment of physico-chemical characteristics, pollution levels and bacteriological contamination of surface and ground water bodies in the core study area through primary data generation (Annexure-II).

Meteorology Monitoring of On-site Meteorological Parameters by setting up a meteorological station at site

Collection of climatological data from nearest IMD station for long term analysis of climatological parameters for a period not less than 10 years

Air quality Establishment of Ambient Air Quality in core study area through primary data generation (Annexure-II).

At least one monitoring station each in the upwind and in the pre dominant downwind direction to be selected for analyzing the likely maximum ground level





concentration of pollutants. Cumulative impact assessment on ambient air quality

due to proposed plant and others (including existing sources as well as other proposed source of emission) to be carried out.

Analysis of Rain Water Terrestrial Ecology

General description of core study area based on secondary data and seasonal field sampling.

Identification of flora and fauna along with rare and endangered species present in the study area

Development of vegetation map with special demarcation of different kind of forests in the core study area through interpretation of satellite imagery including ground truth verification

Location of any National Park, Sanctuary, Elephant/Tiger Reserve (existing as well as proposed), migratory routes / wildlife corridor, if any, within 15 km of the project site shall be specified and marked on the map duly authenticated by the Chief Wildlife Warden of the State or an officer authorized by him.

Aquatic Ecology

General description of aquatic ecosystems in core study area based on secondary data and primary data generation seasonal field sampling

Identification of flora and fauna and endangered species in the surface water body falling in the study area

Listing of fish in the receiving water body with special reference to spawning and breeding zone

Listing of other species in the water body Noise Monitoring of noise at critical locations in and around

the power plant in core study area through primary data generation (Annexure-II).

Notes: Any additional work deemed feel necessary for the project should be quoted

separately along with the cost by the consultant. Action Plan along with locations of sampling sites will be finalized in

consultation with the Engineer-in-Charge (EIC).





ANNEXURE-II

STAGE-A: ESTABLISHMENT OF BASELINE CONDITIONS: PRIMARY DATA COLLECTION/ MONITORING SCHEDULE

FIELD/ PARAMETERS

NO. OF SAMPLING LOCATION

FREQUENCY REMARK

Ambient Air Quality SO2 NO2 PM10 PM2.5 CO O3 & Hg

8 (Eight)

8 (Eight)

8 (Eight)

Twice a week

Once a month

Once a month

24 hour sampling at each location using appropriate instruments. Consultant has to deploy 8 (eight) sets of instruments at site. Analysis of samples should be as per Gazette notification dated 18.11.2009 on AAQ. 8 Hourly samples at each location using appropriate instruments 8 Hourly samples at each location using appropriate instruments

Meteorology Wind speed & direction 1

(One) Continuous (averaging time of 1 hour)

A permanent automatic meteorological station is to be established at site for monitoring the meteorological parameters like wind speed & direction, temperature (at 2 m and 10 m height), solar radiation, humidity, atmospheric pressure, rainfall.

Max. & Minimum Temp. (Wet & Dry bulb Temp.)

Daily (at 8.30 & 17.30 IST)

Solar radiation Continuous (averaging time of 1 hour)

Humidity Daily at 8.30 & 17.30 IST

Atmospheric pressure Daily at 8.30 & 17.30 IST

Rainfall Daily Storm Daily Temperature at 2 m and 10 m height

Continuous (averaging time of 1 hour)

Water Quality (Surface & Ground Water) Physical parameters: pH, Temp., DO, conductivity & TSS

Ten Monthly Consultant has to set up site laboratory for these parameters during the period of study.

Chemical Parameters: TDS, Alkalinity, Hardness, BOD, COD, NO3, PO4, Cl, F, SO4, Na, K, Ca, Mg, Silica, Oil & Grease, Phenolics

Ten Monthly Consultant has to specify the laboratory for analysis





Bacteriological MPN and Total coliform

Ten Monthly As above

Heavy metals (As, Hg, Pb, Cd, Cr-6, total Cr, Cu, Zn, Se, Fe).

Ten Quarterly As above

Soil Classification, Texture, pH, conductivity, CEC, N, P, K, Mercury etc.

Ten Pre and Post-monsoon seasons

As above

Infiltration Tests Ten Pre and Post-monsoon seasons

In and around ash disposal area

Noise Leq Ten within

Plant Area and

Ten outside Plant Area

Pre and Post-monsoon seasons

24 hourly sampling at each location using an integrating sound level meter

Aquatic Ecology phytoplankton, zooplankton, fish

Four Pre-monsoon and Winter

seasons

Terrestrial Ecology Density, diversity, frequency, abundance, Importance Value Index of species

Four Pre-monsoon and Winter

seasons

Rain Water Analysis Quantity, pH, Conductivity, SO4--, Cl-, NO3--

One Pre monsoon, post monsoon

& winter

Coal and Ash Analysis Heavy Metals (As, Hg, Pb, Cd, Cr-6, total Cr, Cu, Zn, Se, Fe). Radio Activity

2 (Two) 2 (Two)

Once in Study Once in Study

Coal Samples of coal source will be taken as grab sample. Radio Activity sampling and analysis through an institute / organization of repute.

General: The Consultant's offer shall indicate detailed methodology (including sampling

procedures wherever applicable and sampling frequency) The parameters to be analyzed and the number of sampling locations indicated

under various disciplines are only indicative. Consultant will determine the actual plan of action in consultation with E-I-C

Exhibit-I: Vicinity Map of Singrauli Super Thermal Power Project

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