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ENVIRONMENTALIMPACTASSESSMENTSTUDYFOR THEPROPOSED2X125MWLIGNITEBASEDTHERMALPOWER

PLANT AT THUMALI VILLAGES,SHIV TEHSIL,BARMERDISTRICT,

RAJASTHAN

Final EIA REPORT

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ENVIRONMENTAL IMPACTASSESSMENTSTUDY FOR THE PROPOSED 2X125MWLIGNITE BASED THERMAL POWER PLANT AT THUMALI VILLAGES,SHIV TEHSIL,BARMERDISTRICT,RAJASTHAN

Prepared : G/AC1409001Compiled : G/ND0911002

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Table of ContentsList of Tables

List of Figures

List of Annexures

Executive Summary1. Introduction ...................................................................................................1

1.1 Background ................................................................................................... 11.2 The Project .................................................................................................... 1

1.2.1 Project Description .................................................................................. 21.3 Justification of the Project .............................................................................. 6

1.3.1 Power Situation in India........................................................................... 61.3.2 Power Situation in Rajasthan ................................................................... 71.3.3 Twelfth Plan Perspective (2012-2017) ...................................................... 8

1.4 The Study ..................................................................................................... 91.4.1 Purpose of the Report ............................................................................. 91.4.2 Scope of the Study ................................................................................ 10

1.5 Administrative and Legislative Background .................................................... 111.5.1 Procedure for Environment Clearance ..................................................... 11

1.6 Environment Legislations .............................................................................. 121.7 Report Layout .............................................................................................. 14

2. Project Description ..................................................................................... 172.1 Introduction ................................................................................................ 172.2 Plant Description .......................................................................................... 172.3 Project Requirements ................................................................................... 18

2.3.1 Land Requirement ................................................................................. 182.3.2 Fuel Requirement .................................................................................. 212.3.3 Water Requirement ............................................................................... 22

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2.5.1 Lignite Handling Plant ............................................................................ 272.5.2 Lignite Unloading System....................................................................... 272.5.3 Ash Handling System ............................................................................. 282.5.4 Plant Water System ............................................................................... 292.5.5 Effluent Treatment Plant ........................................................................ 292.5.6 Fire Detection and Protection System ..................................................... 302.5.7 Compressed Air System ......................................................................... 302.5.8 Air Conditioning and Ventilation System .................................................. 30

2.6 Pollution Monitoring System ......................................................................... 302.6.1 Sources of Pollution ............................................................................... 312.6.2 Pollution Control Aspects ....................................................................... 31

3. Baseline Environment Status ................................................................... 363.1 Introduction ................................................................................................ 363.2 Component of Environment Baseline ............................................................. 363.3 Methodology ................................................................................................ 363.4 Meteorology ................................................................................................ 37

3.4.1 Secondary Data Collected from IMD- Barmer .......................................... 383.4.2 Site-Specific Meteorological Data ............................................................ 403.4.3 Comparison of Primary and Secondary Data ........................................... 41

3.5 Ambient Air Quality ...................................................................................... 423.5.1 Methodology adopted for Air Quality Survey ........................................... 423.5.2 Ambient Air Quality ............................................................................... 45

3.6 Physical Environment ................................................................................... 473.6.1 Topography .......................................................................................... 473.6.2 Geology and Hydro-geological Aspects ................................................... 473.6.3 Physiography and Drainage ................................................................... 473.6.4 Land-use Pattern ................................................................................... 483.6.5 Land-use as per Census ......................................................................... 493.6.6 Soil Characteristics ................................................................................ 51

3.7 Water Environment...................................................................................... 55

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3.8.2 Monitoring Results................................................................................. 653.9 Ecology ....................................................................................................... 66

3.9.1 Flora .................................................................................................... 663.9.2 Crops ................................................................................................... 673.9.3 Fauna ................................................................................................... 673.9.4 Summary .............................................................................................. 69

3.10 Demography and Socio-Economic Aspects ..................................................... 693.10.1 Demographic Aspects ............................................................................ 69

4. Impacts & Mitigation Measures ............................................................... 744.1 Introduction ................................................................................................ 744.2 Impacts during Construction Phase ............................................................... 74

4.2.1 Impact on Land Use .............................................................................. 744.2.2 Impact on Soil ...................................................................................... 754.2.3 Impact on Air Quality ............................................................................ 754.2.4 Impact on Water Quality........................................................................ 774.2.5 Impact on Noise Levels ......................................................................... 774.2.6 Impact on Ecological Environment .......................................................... 774.2.7 Impact on Society ................................................................................. 784.2.8 Traffic Congestion ................................................................................. 79

4.3 Impacts during Operational Phase ................................................................ 794.3.1 Impact on Land-use .............................................................................. 804.3.2 Impact on Soil ...................................................................................... 804.3.3 Impact on Air Quality ............................................................................ 814.3.4 Impact on Water Resources and Quality ................................................. 884.3.5 Impact of Solid Wastes .......................................................................... 884.3.6 Impact on Noise Levels ......................................................................... 894.3.7 Prediction of Impacts on Socio-Economics .............................................. 914.3.8 Impacts on Public Health and Safety ...................................................... 92

4.4 Mitigation Measures during Operation Phase.................................................. 924.4.1 Air Pollution Management...................................................................... 92

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6.1 Environment Management System ................................................................ 996.1.1 Formation of an Environmental Management System .............................. 996.1.2 Implementation of an Environmental Management System ...................... 996.1.3 Environment Management Records .......................................................1006.1.4 Environmental Management Reviews .....................................................100

6.2 Environmental Monitoring Cell .....................................................................1006.3 Post-Project Monitoring: Parameters and Schedule .......................................101

6.3.1 Air Quality Management .......................................................................1016.3.2 Water Management ..............................................................................1016.3.3 Noise Levels .........................................................................................1026.3.4 Soil......................................................................................................1026.3.5 Ecology ...............................................................................................1026.3.6 Implementation Schedule of Mitigation Measures ...................................103

6.4 Monitoring Equipment and Consumables ......................................................1046.5 Budgetary Allocation for Environmental Protection ........................................105

7. Additional Studies ..................................................................................... 1077.1 Introduction ...............................................................................................1077.2 Public Consultation......................................................................................1077.3 Risk Assessment and Disaster Management Plan ..........................................108

7.3.1 Approach to the Study ..........................................................................1087.3.2 Hazard Identification ............................................................................1097.3.3 Hazard Assessment and Evaluation .......................................................1107.3.4 Maximum Credible Accident Analysis (MCAA) .........................................1127.3.5 Scenarios Considered for MCA Analysis ..................................................1147.3.6 Lignite Handling Plant - Dust Explosion ..................................................1157.3.7 Identification of Hazards Other than Fuel storage ...................................1177.3.8 Risk Assessment Summary ...................................................................1177.3.9 Risk Reduction Opportunities ................................................................118

7.4 Disaster Management Plan ..........................................................................1187.4.1 Disasters .............................................................................................118

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7.4.9 Roles of Various Officials ......................................................................1307.5 Occupational Health and Safety ...................................................................134

7.5.1 Construction and Erection .....................................................................1347.5.2 Operation and Maintenance ..................................................................1357.5.3 Safety Plan ..........................................................................................1357.5.4 Safety Organization ..............................................................................1377.5.5 Safety Circle ........................................................................................1377.5.6 Safety Training ....................................................................................1377.5.7 Health and Safety Monitoring Plan .........................................................138

7.6 Area Drainage Study and Hydro-geological Study ..........................................1387.6.1 Possibility of Internal Flooding in Power Plant ........................................1387.6.2 Possibility of External Flooding ..............................................................138

8. Project Benefits ........................................................................................ 1418.1 Introduction ...............................................................................................1418.2 Construction Phase .....................................................................................141

8.2.1 Employment ........................................................................................1418.2.2 Community Services .............................................................................141

8.3 Operational Phase .......................................................................................1428.3.1 Population ...........................................................................................1428.3.2 Education ............................................................................................1428.3.3 Employment ........................................................................................142

9. Environment Management Plan ............................................................... 1449.1 Introduction ...............................................................................................1449.2 Components of Environment Management Plan ............................................144

9.2.1 Monitoring Programme/Plan ..................................................................1449.2.2 Mode of Implementation Schedule and Reporting Procedures .................144

9.3 Institutional Arrangements for Environment Protection and Conservation ....... 1461.1. ......................................................................................................................1469.4 Environment Management Plan: Construction Phase .....................................147

9.4.1 Site Management Plan ..........................................................................147

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9.5 Environment Management Plan: Operation Phase .........................................1529.5.1 Air Environment ...................................................................................1529.5.2 Air Quality Monitoring ...........................................................................1539.5.3 Water Environment ..............................................................................1549.5.4 Noise Environment ...............................................................................1569.5.5 Ash Management .................................................................................1569.5.6 Hazardous Solid Waste Management .....................................................1579.5.7 Social Environment ...............................................................................1589.5.8 Labour Welfare ....................................................................................1589.5.9 CSR Activities and Community Development Plan ...................................1599.5.10 Green Belt Development .......................................................................1619.5.11 Criteria for Selection of Species for Greenbelt ........................................161

10. Clean Development Mechanism ............................................................... 16510.1 Introduction ...............................................................................................16510.2 Kyoto Protocol ............................................................................................16510.3 Outline of Project Process ............................................................................16610.4 Calculation of CO2 Emission Reduction .........................................................167

11. Disclosure of Consultant ........................................................................... 17011.1 Introduction ...............................................................................................17011.2 Project Team ..............................................................................................17011.3 NABET Accreditation Status and Expert Involved ..........................................171

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List of Tables

Table 1-1: Salient Feature of Project ............................................................................ 2Table 1-2: Actual Power Supply Position in India ........................................................... 6Table 1-3: All India Installed Capacity as on 30.09.2011 (Figures in MW) ....................... 7Table 1-4: Installed Capacity in Rajasthan (in MW) ....................................................... 8Table 1-5: Actual Power Supply Position in Rajasthan .................................................... 8Table 1-6: Capacity Addition Required during 12th Plan (Year 2017) ............................... 8Table 1-7: Environmental Attributes and Frequency of Monitoring ................................ 10Table 1-8: Legislative Provisions in India .................................................................... 12Table 2-1: Features of Proposed Power Plant .............................................................. 17Table 2-2: Land Requirements for the Power Plant ...................................................... 19Table 2-3: Expected Quality of Lignite ........................................................................ 21Table 2-4: Typical Characteristics of LDO .................................................................... 21Table 2-5: Water Balance for Proposed Project ........................................................... 22Table 2-6: Design Data for CHP for 2x125 MW plant ................................................... 27Table 2-7: Ash Generation ......................................................................................... 28Table 3-1: Environment Parameters ........................................................................... 36Table 3-2: Climatological Data of IMD Station Barmer ................................................. 38Table 3-3: Summary of Wind Pattern-IMD Barmer....................................................... 39Table 3-4: Summary of Meteorological Data Generated at Site ..................................... 40Table 3-5: Summary of Wind Pattern within Study Area............................................... 40Table 3-6: Details of Ambient Air Quality Monitoring .................................................... 42Table 3-7: Techniques Used For Air Quality Monitoring ................................................ 43Table 3-8: Ambient Air Quality (SPM) ing/m3............................................................ 45Table 3-9: Ambient Air Quality (PM10) in g/m3.......................................................... 45Table 3-10: Ambient Air Quality (PM2.5) in g/m3 ....................................................... 45Table 3-11: Ambient Air Quality (SO2) in g/m

3........................................................... 46Table 3-12: Ambient Air Quality (NOx) in g/m3.......................................................... 46Table 3-13: Ambient Air Quality (Ozone) in g/m3...................................................... 46

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Table 9-2: Mode of Implementation of Mitigation Measures For Operation Phase ......... 145Table 9-3: Environmental Mitigation Measures During Construction Phase ...................152Table 9-4: Recommended Plants for Greenbelt ..........................................................162

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List of Figures

Figure 1-1: Locational Profile of the Project Site ............................................................ 4Figure 1-2: Coordinates on Toposheet-Plant Area and Ash Pond .................................... 5Figure 2-1: Use wise Distribution of Plant Area ............................................................ 19Figure 2-2: General Layout Plan of Plant Area ............................................................. 20Figure 3-1: Wind Rose-Pre Monsoon, IMD Barmer ....................................................... 39Figure 3-2: Wind Rose Onsite Pre-monsoon (Mar-May, 2011) ...................................... 41Figure 3-3: Details of the selected AAQM stations with reference to the Project Site ...... 44Figure 3-4: Land-use/Land Cover Pattern for Study Area ............................................. 49Figure 3-5: Landuse Map of the Study Area ................................................................ 50Figure 3-6: Soil Sampling Locations in Study Area ....................................................... 53Figure 3-7: Water Sampling Locations within Study Area ............................................. 57Figure 3-8: Noise Monitoring Locations in Study Area .................................................. 64Figure 3-9: Demographic Aspects of Study Area .......................................................... 72Figure 4-1: Short Term 24 Hourly Incremental GLCs of SPM ........................................ 84Figure 4-2: Short Term 24 Hourly Incremental GLCs of SPM (on Base Map) .................. 85Figure 4-3: Short Term 24 Hourly Incremental GLCs of SO2 ......................................... 86Figure 4-4: Short Term 24 Hourly Incremental GLCs of SPM (on Base Map) .................. 87Figure 4-5: Noise Dispersion Contours at the Plant Site and Boundary .......................... 91Figure 7-1: On-Site Emergency Organisation Chart .....................................................128Figure 9-1: Proposed Organizational Structure of EM Cell ...........................................148

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List of Annexures

Annexure I Terms of Reference issued by SPCB

Annexure II Compliance Status of ToR

Annexure III Environment Pollution Standards

Annexure IV Hourly Micro-meteorology

Annexure V Authenticated Flora and Fauna

Annexure VI Demographic Data of Study Area

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RAJASTHAN

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Executive Summary

Introduction

Barmer Thermal Power Company Ltd (BTPCL) is implementing a 250 MW (2x125) Lignite

based thermal power project at village Giral, Shiv Tehsil, District Barmer of Rajasthan

State.

As per the Environment Impact Assessment (EIA) Notification dated 14th September

2006, the proposed project falls under Category B of activity type 1(d), which requirespreparation of EIA Report to obtain Environmental Clearance( EC) from the State Expert

Appraisal Committee, Rajasthan.

In view of sufficient quantity of lignite availability in these areas, Government of

Rajasthan is planning to set up 2x 125 MW Giral Lignite-based Power Plant to utilize the

available lignite. Secretarial of State Level Expert Committee (SEAC) Rajasthan has given

ToR for the thermal power plant vide letter no- F.1(4)/SEIAA/ SEAC_Raj/ Sectt/ Project/Cat.(1dB1)(175)/08-09/649 dt 25th May, 2009 and addendum to TOR dated 9th August

2011.

Project Proponent: Barmer Thermal Power Company Ltd., is a wholly owned subsidiary of

Rajasthan Rajya Vidyut Prasaran Nigam Ltd. They have initiated the process of selection

of developer for setting up this power project under Case II of Guidelines fordetermination of trrif by Bidding Process for procurement of Power by Distribution

Licensees issued by the Ministry of Power, Govt. of India. The total power generated

from the project shall be utilized in the State of Rajasthan

Location: The proposed power plant is in the geographical coordinates longitude 71o 15

20.61 E to 71o 14 48.78 E and latitude 26o 02 42.78 N to 26 05 2.45 N. The

proposed project site is at a distance of 43 km from Barmer. Site elevation is about 221-

m above MSL. Present land use at the proposed plant site is industrial use as 2x125 MW

power plant is under implementation. Site can be reached by NH#15(13-km, NE). The

nearest airport is Jodhpur (200-km, E) while the nearest railway station is Barmer (43-

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proposed plant is about 2.1 MTPA at 85% PLF and will be met from Giral and Soneri

Lignite mines located adjacent to the project. The water requirements of the plant will be825m3/hr and met from the IGNP (Indira Gandhi Nahar Project) by laying about 165 kms

of pipe line. The total project cost of the proposed expansion project is estimated about

Rs.1000 Crores.

Technical Features

The plant is proposed to be a 250MW project with configuration of 2x125MW. The details

is given in table below

i) Steam generator The steam generator (SG) would be designed for firing

100% Lignite

ii) Steam turbine generator The MCR rating of the steam turbine generator (STG)

would be 125MW at the generator terminals, with valve

wide open capacity of 105% MCR.Each electric generator would be rated to deliver 125MW

at generator terminals. The generator would have water

cooled stator windings, stator core and rotor.

(iii) Stack One stack of 220 m shall be provided for two units with

twin flue.

(iv) Power evacuation The power generated will be evacuated by 220 kVsubstations.

Project schedule Unit-1 - 36 months

Unit-2 - 40 months

Power Plant Requirements

Land Requirement: The total land required for the plant will be 259.7acres (105.09hectares). The plant area is of 120.18 acres and is already under possession. The ash

dyke area is for 139.6 acres and is under the process of acquisition. The break-up of the

land for the plant is given below

Sl N A D i ti L d (A )

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Sl. No. Area Description Land (Acre)

7. Ash Pond Area 139.6

TOTAL 259.7

Fuel Requirement: The fuel for the plant will be lignite. The total requirement will be

2.1 MTPA. The lignite will be sourced from Giral and Soneri mines located near to the

proposed plant. The Lignite containing Sulphur upto 6% and 27-32% of ash will be used

in the proposed power plant.

The lignite will be transported by truck and dumper from the mines which is adjacent of

the power plant.

The boiler will be designed for cold start-up and initial warm-up using Light Diesel Oil

(LDO). LDO will be received to the proposed plant by means of the road tankers.

Water Requirement: The total fresh water requirement for the expansion project

power plant will be about 825 m3/hr. The water requirements of the plant will be met

from the IGNP (Indira Gandhi Nahar Project) by laying about 165 kms of pipe line.

Lime Stone: The Project will be based on the CFBC Technology. Lime stone will used assulphur absorbent material in the boiler. A quantity of 0.12 MTPA of lime stone will be

used for dosing. The lime stone required for the project may be made available by M/s

RSMML.

Power Evacuation: The power generated will be evacuated to the 220 kV substations.

Construction Power: The construction power required for the proposed plant will be

available from existing substation at Giral.

Manpower: The proposed power plant will require personal during construction phase

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studies and demography. The scope of the present study is in line with the Terms of

References issued by SEAC, Rajasthan.

Meteorological Data

The meteorological parameters were recorded on hourly basis during the study period

near proposed plant site and comprises of parameters like wind speed, wind,

temperature, relative humidity, atmospheric pressure, rainfall and cloud cover. The onsite

data for the study period is given below:

Temperature: The temperature recorded during the study period had a minimum

reading of 18.6C in March and a maximum of 45.2C in May 2011.

Relative Humidity: The relative humidity varies between 44% and 79%.

Rainfall: No Rainfall was observed during Study Period.

Wind Speed: The average wind speed was calculated at 10.2kmph.

Wind Direction: The predominant wind direction was observed from South-West

and the second predominant wind direction was from the West.

Air Quality

The ambient air quality with respect to the study zone of 10-km radius around the

proposed plant site forms the baseline information. The various sources of air pollution in

the region are industrial, traffic, urban and rural activities. This will also be useful for

assessing the conformity to standards of the ambient air quality during the plant

operation. The study area represents mostly rural environment.

The highest concentration of PM10 (72.0g/m3) and PM2.5 (25.1g/m3) was found in

Thumbali village, which is adjacent to the existing plant. The P98 value of SO2 and NOX

was found to be highest at Jalela village (22.5g/m3) and Agoria village (24.7 g/m3)

respectively. The ozone was found highest at Thumbli village (12.7g/m3). The area

generally has low levels of pollutants in ambient air, which is well within the National

Ambient Air Quality Standards for industrial, residential or rural areas.

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some thorny bushes. The land of ash pond is also fairly leveled having an elevation range

between 210.4 to 212.0 m above MSL.

Land-Use

The major share of the land in the study area is barren land and consists of about 59.1%.

25.5% of the study area comprises of sand-dunes. Agricultural land covers about 13.3%

of the total area. The settlements in the study area are termed as built-up land covering

about 0.5% of the total study area. However, no major population concentration has

been found and it is dispersed in pockets throughout the study area.

Soil Quality

Samples were collected and analysed from six locations as per approved methods of

CPCB and MOEF. It was observed that the pH of the soil ranged from 7.6 8.2 indicating

that the soils are neutral to alkaline in nature. The soil in the study area is predominantly

of sandy type. The bulk density of the soil ranges between 1.3-1.4 gm/cc. The electrical

conductivity was observed to be in the range of 4928-6585 S/cm.

The Nitrogen and Phosphorous values are in the range of 11.4-23.8 kg/ha and 5.1-9.3

kg/ha respectively. The nitrogen and phosphorous levels of the soils in the region indicatethat soils are very less. The Potassium values range between 64-78 kg/ha, which indicate

that the soils have very less quantity of Potassium. The soil from the study area shows

very less fertility due to their low NPK content.

Water Quality

Three surface water and sixground water sources were examined for physico-chemical,heavy metals and bacteriological parameters in order to assess the effect of industrial and

other activities on surface and ground water. The samples were analyzed as per the

procedures specified in 'Standard Methods for the Examination of Water and Wastewater'

published by American Public Health Association (APHA)

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without conventional treatment but with disinfection. The heavy metal content is below

detectable limits.

Ground Water:The analysis results indicate that the pH of 7.4-8.1, which is within the

specified standard. The TDS was observed as 590-3260 mg/l, which is observed to be

exceeding the permissible limit of 2000 mg/l. The chlorides and sulphates were found as

102.1 1062.1 mg/l and 11.2-230 mg/l respectively. It is observed that the

concentrations of all the parameters are in comparison with IS: 10500-1991 and fall inthe category of water not fit for drinking. Bacteriological studies reveal the absence of E-

coli. The heavy metal content is either very low or below detectable limits. The overall

quality considerations as far as water in the study area is concerned, indicate absence of

any external polluting sources like industries and represent uncontaminated conditions.

Noise Level Survey

The noise monitoring has been conducted at 7 locations in the study area. The Day time

and Night time Noise Levels in the study area ranged between 41.1dB (A) to 50.3dB (A)

and 36.8dB (A) to 46.0dB (A) respectively. The noise levels in general found mostly within

the acceptable levels as per standards for various zones as prescribed by Central Pollution

Control Board (CPCB).

Flora and Fauna Studies

The district falls in the Hot Desert Region. There is no forest but and the entire area falls

in the desert, the rain fall is very less but there are few flora are present. Most of the

flowering plants are shrubs and wild grasses. The grasses do not survive for more than a

few months after the monsoon. The main varieties of trees are Khejri (Prosopis cineria),Rohira (Tecoma Undulata), Khair (Caparis aphylla), Ber (Zizyphus Jujuba), etc. The study

area was found to be mostly barren land with or without scrubs. Among the shrubs and

grasses found in the region are Bharut, Siwan, Makra, Lamp, Dhamasa, etc.

Faunal studies were also conducted and identified about 50 animal species consisting of

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Demography and Socio-Economic Condition

As per 2001 census the study area consists of 21106 persons inhabited in the study areaof 10 km radial distance from the periphery of the proposed power plant. The study area

has an average family size of 6.36 persons per household. The density of population of

the study area works out to about 152 persons per km2.The sex ratio of 854 is much

below the national average.

In the study area about 2.86% population belong to Scheduled Tribes (ST) and 9.56%Scheduled Castes (SC) indicating that about 12.43% of the population in the study area

belongs to socially weaker sections. The analysis of the literacy levels in the study area

reveals an average literacy rate of 42.88% as per 2001 census data.

As per 2001 census records altogether the main workers works out to be 34.58% of the

total population. The marginal workers and non-workers constitute to 15.03% and35.95% of the total population respectively. The distribution of workers by occupation

indicates that the non-workers are the predominant population.

Sources of Pollution

The Thermal Power Plant would be equipped with state-of-the-art pollution control

devices to bring down the emission of pollutants to a level well within acceptable normsof the country. A thermal power station utilizing Lignite as its prime fuel and burning of

the Lignite generally creates emissions of the following:

Suspended particulate matters (PM10&PM2.5)

Gaseous emissions (SOx, CO etc.)

Thermal pollution

Liquid effluentsThe main pollutants from a thermal power plant are discharged through the following

sources:

Stacks discharging particulate matters, gaseous emissions and heat;

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Anticipated Environmental Impacts and Mitigation measures

Air Environment

In the present case,Industrial Source Complex [ISC3] dispersion model based on steady

state Gaussian plume dispersion, designed for multiple point sources for short term and

developed by United States Environmental Protection Agency [USEPA] has been used for

simulations from point sources.

Simulation Modeling studies reveal that, the maximum predicted short term 24 hourlyground level concentrations (GLCs) for SPM and SO2 during study period are 186.5g/m

3

and 46.6g/m3 respectively. The GLCs are expected to occur at 2.5-km in SE direction

from the main stack of the 2x125 MW plant. Air modeling estimations show that resultant

concentrations of SO2 and SPM due to the proposed project will remain well within the

National Ambient Air Quality Standards;

Limiting of pollutant discharge and minimizing its effect on air quality, within prescribed

standards, will be achieved; consequent to plant design for boilers and installation of

stacks of adequate height that provides better dispersion of pollutants. Consequently it is

unlikely to have any major impacts on local or regional air quality or to adversely affect

human health or status of pollution-sensitive vegetation, either locally or on nearby

terrain.

Water Environment

The total water requirement for the proposed power project is 825m3/hr, and it will be

met from the IGNP (Indira Gandhi Nahar Project). Proposed expansion project will not

extract groundwater and hence there will be no impact on ground water.

Wastewater will be suitably treated in STP/ETP and utilized for greenbelt development,

ash handling, dust suppression, service etc. Project is designed achieve zero discharge

concept. The sludge generated in the raw water treatment plant will be used as manure

in the greenbelt development

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Solid Waste GenerationThe maximum production of ash estimated from the plant is 0.7MTPA. The entire

production of fly ash is proposed for consumption in cement manufacturing, brick

manufacturing and other prospective usages. 100% fly ash utilization will be achieved

from 4th year onwards as per the Fly Ash Notification of MoEF and subsequent

amendments.

Socio- Economics

The major economic impacts, which will accrue to the region, during the construction

phase and operation of the proposed power plant, will be an increased availability of

direct and indirect employment. Local people will be benefited after commissioning of the

proposed project in terms of petty to major contractual jobs and associated business

establishments.

Greenbelt Development

A 50 m wide greenbelt, consisting of at least 3 tiers around plant boundary will be

developed as greenbelt and green cover as per CPCB/MoEF, New Delhi guidelines. The

plant density will be of 1500 trees per hectare with local native species in the green belt.

Environmental Monitoring Programme

A structured and certified environment management system is suggested at the industry

level for ensuring that all the activities, products and services conform to the

environmental requirement. The Environment Management Cell will be responsible for

managing following activities related to environment function of proposed Power Plant:

Coordinate and manage the EMP implementation during pre-construction,construction and operation phase

Appoint dedicated environment staff to manage environmental monitoring

responsibilities

Manage and coordinate environmental monitoring and control

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A well-defined environmental monitoring program would be emphasized with trained and

qualified staff that would monitor the ambient air as well as stack emission quality toensure that the pollutants level is maintained always within the permissible levels.

It is proposed to invest about Rs. 145.97 crores on pollution control, treatment and

monitoring systems for proposed power plant. In addition to this, a recurring cost of Rs.

12.55 crores will be spent annually.

Risk Assessment and Disaster Management

Risks likely to pose a risk to humans, environment or property associated with various

activities are addressed in this report. Such activities include transport, storage; handling

and usage of fuels (fuels & LDO). Precautionary measures to be taken for preventing any

hazards due to these materials are proposed in the report. All equipment vulnerable to

explosion or fire would be designed to relevant IS codes and statutory regulations.

Specific precautions should be taken with respect to hazardous chemicals and regular

mock drills should be carried out to enact accident scenarios with reports sent to the top

management. Suitable fire protection system comprising hydrants and spray systems are

provided for fire protection. Fire extinguishers should be tested periodically and to always

be kept in operational mode.

Surrounding population (including all strata of society) should be made aware of safety

precautions to be taken in case of any mishap in plant. On-site disaster management and

off-site emergency plans, commands communication and controls will be established and

maintained.

Adequate provisions like emergency response, response organization, response plan,

material safety data sheet, command & control, capabilities, transportation, medical

facilities, mitigation measures, training, education, public awareness emergency plan

review etc to control any disaster situation will be made available

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Air Pollution Management

Fugitive and stack emissions from the power plant will contribute to increase inconcentrations of particulate matter and gaseous pollutants. The mitigation measures

proposed in the plant are:

Installation of ESP of >99.9% efficiency to limit the PM concentrations below 50

mg/Nm3;

Provision of 220 m high stack for wider dispersion of gaseous emissions;

Dust extraction system will be provided at transfer points; Provision of water sprinkling system at material handling and storage yard;

Asphalting of the roads within the plant area; and

Development of greenbelt around the plant to arrest the fugitive emissions.

Water Pollution Management

The effluents generated from the power plant during operations will be collected stream-

wise for various treatments as envisaged in the wastewater treatment scheme. The

wastewater recovery, as practiced, will considerably reduce the impact on the surface

water quality. The recovered wastewaters collected in a central monitoring basin will be

reused with in plant premises and greenbelt/irrigation. The measures proposed to

minimise the impacts are:

Provision of sewage treatment plant to treat domestic sewage from plant and

township;

Utilization of treated domestic wastewater for greenbelt development;

HDPE liners will be provided to the ash pond in order to arrest any seepage of ash

pond water into groundwater;

Provision of separate storm water system to collect and store run-off water duringrainy season and utilization of the same in the process to reduce the water

requirement;

Suitable rainwater harvesting structures to be constructed.

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Provision of earplugs to the workers working in high noise level area.

Solid Waste Management

The main solid waste from the proposed power plant will be ash (fly ash and bottom

ash). Considering the expected Lignite quality, about 0.7 MTPA of ash will be generated

from the power plant proposed unit. Out of this, the bottom ash will be about 20% of the

total ash generated i.e. 0.14 MTPA and the fly ash will be remaining 80% of the total ash

generated i.e. about 0.56 MTPA.

It is proposed to utilize 100% of the fly ash generated from the project for cement and

brick manufacturing at existing and proposed cement plants in the vicinity from 4th year

of operations. During emergency the ash will be disposed off safely in ash pond area to

avoid environmental hazards. All efforts will be made to utilize bottom ash for various

purposes. Unused bottom ash will be disposed off in the ash pond proposed within the

plant complex. To control fugitive dust emission from the ash pond area water sprinkling

would be done. After the ash pond is abandoned, its area will be reclaimed through tree

plantation.

CSR ActivitiesBTPCL will implement a Community Development Plan in phased manner through a

dedicated cell, starting from the construction phase onwards. It is proposed to invest a

good amount for various community development activities in the region. BTPCL will

implement the same with the help of NGOs/Government Organizations in the region

Conclusion

The proposed power plant has certain level of marginal impacts on the local environment.

However, with the implementation of the proposed pollution control and environment

management measures, even the minor impacts anticipated due to construction and

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RAJASTHAN

E I A S P 2X125MW P d G/AC1409001

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1. INTRODUCTION1.1 BACKGROUNDRajasthan Rajya Vidyut Prasaran Nigam Limited (RVPNL) a company under the

Companies Act, 1956 was established on 19th July, 2000 by Govt. of Rajasthan under theprovisions of the Rajasthan Power Sector Reforms Act, 1999 as the successor company of

Rajasthan State Electricity Board (RSEB). The RERC has granted RVPNL a license for

transmission and bulk supply in the State. Under the provision of the Electricity Act, 2003,

RVPNL has been declared as State Transmission Utility (STU) by Government of

Rajasthan (GoR). RVPNL provides the pathway for power within whole of Rajasthan.

RVPNL owns, builds, maintains and operates the high-voltage electric transmission in thestate. RVPNL also owns the shared generating projects as representative of erstwhile

RSEB.

Rajasthan Rajya Vidyut Prasaran Nigam Limited proposes to set up a Greenfields

2X125MW Lignite-based thermal power plant at Thumali Villages, Shiv Tehsil of Barmer

District Rajasthan through Case II of Guidelines for Determination of Tariff by Bidding

Process for Procurement of Power by Distribution Licensees, issued by the Ministry of

Power, Government of India. A SPV in the name of Barmer Thermal Power Company

Limited (BTPCL) has been registered by RVPNL on 5th July 2010.

1.2 THE PROJECTThe proposed 2x125 MW Lignite based thermal power plant shall be designed for base

load operation and capable of full range of operating conditions with a high availability

and high overall thermal efficiency in a cost effective manner. The power generated from

the proposed power plant will be stepped up to 400 KV and will be linked to Power Grid

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Proximity to power evacuation grid

Site has connectivity by rail, road and air; Suitability of land from topography and geological aspects;

To mitigate the power deficit in state and region; and

Water requirement can easily be sourced from groundwater.

1.2.1 Project DescriptionNature of the Project: BTPCL proposes to set up 2x125MW Lignite based Thermalpower Plant at Thumali Village, Shiv Tehsil in Barmer District of Rajasthan. The required

lignite for this project will be sourced from Giral and Soneri Mines adjacent to the plant.

Lignite from mines will be transported through trough/dumper and stored in plant.

Size of the Project: The estimated cost of the proposed 2x125MW power project would

be Rs. 1400 Crores including IDC and financing charges.

Location of the Project: The project is located at Thumali Villages, Shiv Tehsil in

Barmer district, Rajasthan. The environmental setting of the site is given in Table 1.1.

The location map of the project is given in Figure 1.1.

Table 1-1: Salient Feature of ProjectSl. No. Particulars Details

1. Plant Location Thumali Villages, Shiv Tehsil, Barmer district, Rajasthan

2. SOI Toposheet No 40 O/1

3.

Plant Site Coordinates (Refer

Figure 1.2 for coordinatessuperimposed on Toposheet)

Sl. No. Latitude Longitude

A 26 03 00.5 N 71 15 25.9 E

B 26 03 00.1 N 71 15 42.6 EC 26 02 37.5 N 71 15 41.7 E

D 26 02 35.4 N 71 15 25.3 E

Ash Pond Area Co ordinatesA 26 05 19.8 N 71 15 18.3 E


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Sl. No. Particulars Details

Maximum temperature 45.6C (May)Minimum temperature 6.3C (January)

Predominant wind direction W, E, NE

Mean windspeed 11.1 kmph

Total rainfall 262.9 mm

7. Climatological conditions-at project site

Maximum temperature 44.8C

Minimum temperature 13.2C

Predominent wind direction SW and W

Total rainfall 13.4mm

8. Plant site topography Generally plain

9. Present land use at the site Single crop dry agricultural land

10. Nearest Highway NH-15, (13km, NE)

11. Nearest Railway Station Barmer (45 km)

12. Nearest Airport Jodhpur (200 km E)

13. Nearest Major Water Bodies There is no any major water body in the study area

14. Nearest Town/City Barmer (43 km,)

15. Hills/Valleys Small hillocks existing in NE, N & SE directions

16. Archaeologically important

places

Nil (within 15 km radius) as per Archaeological Survey

of India records

17. Protected areas as per Wildlife

Protection Act, 1972 (National

parks, wildlife sanctuaries and

conservation reserves)

Nil (within 15 km radius) as per Wildlife Protection

Act,1972

18. Reserved/ Protected Forests Nil (within 15 km radius) as per Wildlife Protection

Act,1972

19. Seismicity Seismic Zone-III as per IS 1983 (Part I): 2002

20. Defence Installations None within 10-km radius area

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LIGNITE BASED THERMAL POWER PLANT AT THUMALI VILLAGES,SHIV TEHSIL,BARMERDISTRICT,RAJASTHAN

Compiled : G/ND0911002

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1.3 JUSTIFICATION OF THE PROJECTIn order to meet the demand and supply gap in power generation, Government of India

(GOI) initiated promotional measures for private participation in power generating sector.

The enactment of Electricity Act 2003 has created a liberal framework for power

development and a competitive environment to facilitate private investment. The main

features of the Act are:

De-licensed generation except hydroelectric and captive power plants free from

control;

Rural areas: Stand alone generation and distribution de-licensed;

Mandates creation of regulatory commissions;

Open access in transmission from outset;

Open access in distribution to be followed by SERCs in phases; Gradual phasing out of cross subsidies; and

Trading distinct activity permitted with licensing.

GOI seeks to bring about a qualitative transformation of electricity sector through a new

paradigm. The power sector will be made healthy and would be able to attract funds from

private companies by creating a liberal framework of development by distancing

government from regulations.

1.3.1 Power Situation in IndiaThe demand of electricity has been steadily increasing in the country due to rapid

industrialization and large-scale use of electricity for irrigation, domestic and commercial

purposes. Though there has been substantial growth in power sector infrastructure in

India, the power supply position is still characterized by shortages, both in terms of

demand met during peak periods and the overall energy supply. The actual power supply

position and generation capacity in India is given in Table 1.2 and Table 1.3

respectively.

Table 1-2: Actual Power Supply Position in India


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Region

Peak

Demand

(MW)

Peak Met(MW)

Peak

Deficit/Surplus

(MW)

Peak

Deficit

/

Surplu

s %

Energy

Requirement

(MU)

Energy

Availability

(MU)

Energy

Deficit/Surplus

(MW)

Energy

Deficit/Surplus

%

Eastern 14374 13683 691 -4.8 8746 8380 366 -4.2

North-

east1876 1690 186 -9.9 1005 919 86 -8.6

All India 131568 113335 18233 -13.9 74796 69884 4912 -6.6

Source: Central Electricity Authority (CEA) September 2011

Table 1-3: All India Installed Capacity as on 30.09.2011 (Figures in MW)

RegionThermal

Nuclear Hydro R.E.S TotalCoal Gas Diesel Total

Northern 24482.5 4171.26 12.99 28666.7 1620.00 14922.7 3509.56 48719.06

Western 33105.5 7903.81 17.48 41026.7 1840.00 7447.5 5937.60 56251.89

Southern 20982.5 4690.79 939.32 26612.6 1320.00 11338.1 10128.96 49399.59

Eastern 21122.9 190.00 17.20 21330.1 - 3882.1 356.42 25568.62

North-

east60.0 787.00 142.74 989.7 - 1116.0 223.60 2329.34

Islands - - 70.02 70.02 - - 6.10 76.12

All India 99753.4 17742.8 1199.75 118695.8 4780.00 38706.4 20162.24 182344.6


From the above tables it may be noted that there has been a continuous power shortage

in all regions with maximum deficit in northern and western regions. The gap between

demand and supply at the all India level has increased over the last few years resulting in

overall power supply deficit. In recent times, core sector industries have failed to achieve

the target production rate due to shortage of inputs, particularly electrical power, which is

one of main factors inhibiting the attainment of production targets.

Government of India has targeted sustained growth, which cannot be achieved without

higher rate of growth of core sectors. Keeping the present scenario of shortages in


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2190.55 MW, while 1961MW is from private generation sources. The breakup of installed

capacity in the State under utility sector is given in Table 1.4.Table 1-4: Installed Capacity in Rajasthan (in MW)

RegionThermal

Nuclear Hydro RES TotalCoal Gas Diesel Total

State 3615.00 443.80 - 4058.80 - 987.96 30.25 5077.01

Private 270.00 - - 270.00 - - 1692.75 1961.75

Central 899.48 221.23 - 1120.71 573.00 496.84 - 2190.55

TOTAL 4784.48 665.03 - 5449.51 573.00 1484.80 1723.00 9230.31Source: Central Electricity Authority (CEA) September 2011

Table 1.5 shows the peak deficit and energy deficit in the state of Rajasthan from April

2011. As is evident from the table, the power situation in Rajasthan is poor and has the

need for immediate power augmentation.

Table 1-5: Actual Power Supply Position in Rajasthan

Period

Peak

Demand

Peak

Met

Peak

Deficit/

Surplus

Peak

Deficit/

Surplus

Energy

Requirement

Energy

Availability

Energy

Deficit/

Surplus

Energy

Deficit/

Surplus

MW MW MW % MU MU MU %

April Sept

2011

7054 6768 -286 -4.1 23039 22757 -282 -1.2

Sept 2011 6676 4058 -2618 -39.2 3629 3493 -136 -3.7Source: Central Electricity Authority (CEA) September 2011

1.3.3 Twelfth Plan Perspective (2012-2017)The working group on power have considered that during the 12 plan period, assuming a

GDP growth rate of 9% per annum and elasticity of 0.8 as compared to 1.0, during 11th

plan mainly due to adoption of energy efficient technologies and other energy

conservation and demand side management measures being taken up during the 11th

plan, electricity demand is likely to grow @ 7.2% per annum. Accordingly the energy

generation should increase to level of 1470 BU by 2016-17. The sensitivity analysis

carried out assuming different GDP growth rate and electricity elasticity is given in Table

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Prepared : G/AC1409001C il d G/ND0911002

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GDP

Growth

GDP/Electricity

Elasticity

Electricity

Generation

Required(BU)

Peak

Demand

Installed

Capacity

(MW)

Capacity Addition

required during 12th

Plan (MW)

9%0.8 1470 2,24,600 2,91,700 82,200

0.9 1532 2,33,300 3,03,800 94,300

10%10.8 1525 2,32,300 3,02,300 92,800

0.9 1597 2,44,000 3,17,000 1,07,500


The actual growth in industrial, agricultural and domestic demand will establish that there

is an appreciable shortfall in the installed capacity, demand and energy availability as on

date. This shortfall will continue even after the commissioning of the proposed power

plants in the State and in the Northern region. In Rajasthan, due to increasing

industrialization, the demand for power will be ever increasing. All major industries in the

State resort to captive power generation to meet their demand for uninterrupted power in

spite of costs being high.

Considering the above scenario of power requirement on all-India basis and the persisting

power shortage in Western and Northern region, the proposed 250 MW capacity Thermal

Power Project is well justified and will help bridge the demand supply gap in the country

in general and in Northern and Western region in particular.

1.4 THE STUDY1.4.1 Purpose of the ReportAs per the Environmental Impact Assessment (EIA) Notification dated 14th September

2006 and subsequent amendments, commissioning and operation of thermal powerplants (

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1.4.2 Scope of the StudyWith a view to assess the environmental impacts due to the proposed plant, M/s. GISEnabled Environment & Neo-Graphic Centre, Ghaziabad, was appointed as environment

consultant to prepare the EIA Report for various environmental components including air,

noise, water, land and biological components along with parameters of human interest

which may be affected and to prepare an Environmental Management Plan (EMP) for

mitigating adverse impacts (Table 1.7).

The scope of the study is as per the TOR prescribed by SEAC, Rajasthan. This EIA report

addresses the environmental impacts of the proposed project in addition to the findings

of the Risk Assessment (RA) study and the on-site Disaster Management Plan (DMP).

Table 1-7: Environmental Attributes and Frequency of Monitoring

Sl.No.

Attributes Parameters Frequency

1. Ambient Air QualitySPM, RSPM, SO2, NOX,

Ozone.

24 hourly samples twice a week for

three months at ten locations.

2. Meteorology

Wind speed and direction,

Temperature, Relative

humidity and Rainfall

Near Project site continuous for 3

months with hourly recording and

secondary sources of IMD station at

Barmer.

3. Water quality

Physical, Chemical and

Bacteriological parameters at

6 ground water and 3 surface

water locations.

Grab samples were collected once

during study period.

4. EcologyExisting terrestrial and aquatic

flora and fauna.

Secondary data was collected from

Forest Department.

5. Noise levelsNoise levels in dB(A) at 10

locations.

At every location data monitored

once during EIA study.

6. Soil Characteristics Soil quality at 5 locations Once during study period

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Sl.

No.Attributes Parameters Frequency

nature of streams, aquifer

characteristics, recharge and

discharge areas

secondary sources such as

hydrology, hydro-geology report

11.

Risk Assessment

and Disaster

Management Plan

Identify areas where disaster

can occur by fires and

explosions and release of toxic

substances

Risk assessment and modelling

Source: Guidelines as per Central Pollution Control Board Norms, Delhi

1.5 ADMINISTRATIVE AND LEGISLATIVE BACKGROUND1.5.1 Procedure for Environment ClearanceEnvironmental clearance of any new project or expansion of existing projects is now done

as per the new notification of the Ministry of Environment and Forest (MoEF), Govt. of

India dated 14th September 2006. The new notification requires prior environmental

clearance of all projects from competent central govt. or state govt. authorities, as may

be the case. The projects are now classified into Category A or Category B projects based

on spatial extent of potential impacts on human health, natural and man-made resources.

The Category A projects require prior clearance by the MoEF, Govt. of India while the

Category B projects have to get clearance from the State level Environment Impact

Assessment Authority (SEIAA), constituted by the Central Government for this purpose.

The environment clearance procedure for new projects will require maximum of four

stages all of which may not be applicable to all the projects.

Stage 1-Screening: It refers to the definite assignment of environmental category to

projects or activities where the same is not completely specified. The projects are

categorized as A, B1 and B2. Category A projects are scrutinized and cleared through

the EAC at MoEF, Govt. of India. In case of Category 'B projects scrutiny of application at

State level to categorize project in 'B1 or B2 is done. The B2 projects do not require

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Stage 3-Public Consultation: It refers to the process by which concern of local people

and other stakeholders are ascertained and their views taken regarding the project. ThePublic Consultation takes part in two steps: Public hearing and written responses. The

public hearing of the present project will take place as per the stipulations of Rajasthan

Pollution Control Board.

Stage 4-Appraisal: This refers to detailed scrutiny of the application, EIA report and

related studies to make categorical recommendations to the regulatory authority.Environment Clearance is accorded to the project after SEAC is satisfied with all

environment aspects of the project.

1.6 ENVIRONMENT LEGISLATIONSThe environmental regulations, legislations and policy guidelines and control that may

impact the project are the responsibility of a variety of Government agencies. The

principal environmental regulatory agency in India is the Ministry of Environment and

Forest (MoEF), Govt. of India. MoEF formulates environmental policies and also accords

environmental clearance for different category projects.

Many State and Central legislations have a bearing on environment but laws on

environment protection have been notified recently. These legal enactments can be

broadly classified in the terms of focus areas, viz. pollution, natural resources and

linkages between pollution and natural resources. The important environment legislations

related to environmental clearance for new projects are briefly described in the Table

1.8.

The MoEF is the nodal agency to set up policy and standards for the protection of

environment, along with Central Pollution Control Board (CPCB). This includes air, noise,

water and hazardous waste standards. The relevant standards for coal-based Power

Plants, which are of significance to the project, are given inAnnexure III.

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Name Scope and Objectives Key AreasOperational

Agencies

Air (Prevention and

Control of Pollution)

Act 1981

To provide for prevention

and control of air pollution

Controls emission

and air pollutants

Central and State

Pollution Control

Boards

Forest Conservation

Act 1980

To halt rapid deforestation

and resulting environmental

degradation

Restriction on de-

reservation & using

forest for non-forest

purpose

Central Government

Environment

Protection Act 1986;

Environment

Protection Rules 1989.

To provide for protection

and improvement of

environment

An umbrella

Legislation;

supplements

pollution laws

Central Govt. MoEF,

can delegate power to

Deptt. of Environment

Noise Pollution

(Prevention & Control)Rules 2000

To control and take

measures for abatement ofnoise and ensure that level

remain within standard

Noise in urban area

and around industrialsites

Central Government,

nodal agencies MoEF,State governments

Wildlife Protection Act

1972

To provide for protection of

wild animals, birds and

plants; and for matters

connected therewith

Wildlife protection in

forest areas

Central Govt.

Hazardous Waste

Management and

Handling Rules 2008

To impose restrictions and

prescribe procedures for

management, handling and

disposal of hazardous

waste

Any facility producing

hazardous waste

Central and State

Pollution Control

Boards

Public Liability

Insurance Act, 1991

To provide for public

liability- insurance for thepurpose of providing

immediate relief to the

persons affected by

accident occurring while

To provide public

liability insuranceduring risk material

handling

Central Government,

Nodal Agencies MoEF,State Govt.

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1.7 REPORT LAYOUTThe report has been planned in eleven chapters. The brief description of the chapters is

given below.

Chapter 1 Introduction: The chapter provides the purpose of the report, background

information of the proposed power project, brief description of nature, size and location

of project, environmental setting of the project, estimated project cost and scope of the

study. The key environmental legislation and the standards relevant to the project and

the methodology adopted in preparation of this report have also been described in this

chapter.

Chapter 2 Project Description: The chapter deals with the need of the project,

location, details of power project, other technical and design details and sources of

pollution from the proposed activity and measures proposed to control pollution.

Chapter 3 Baseline Environmental Status: The methodology for assessing various

baseline environmental components in the study area prior to the commencement of the

project has been identified in this chapter. The various parameters of present

environmental status are identified under different aspects, which include location and

regional setting of the area, topographical aspect which include land use, land cover and

soil quality of the study area. Drainage aspect consists of surface and ground waterquality. Meteorological aspect contains all the climatic factors and ambient air quality of

the study area. Ecological environment describes the flora and fauna of the region.

Human aspect includes the demographical features and socio-economic environment of

the study area.

Chapter 4 Anticipated Impact Assessment and Mitigation Measures: The chapterdetails the inferences drawn from the environmental impact assessment of the proposed

power project during various phases of project advancement, such as design, location of

project, construction and regular operations. It also describes the overall impacts of the

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Alternatives have been compared in terms of their potential environmental impacts,

capital and recurrent costs, suitability under local conditions, and institutional training andmonitoring requirements.

Chapter 6 Environment Monitoring Programme: Environment monitoring

requirements for effective implementation of mitigatory measures during operational

phase have been delineated in this chapter.

Chapter 7 Additional Studies: The chapter describes various additional studies carried

out for the proposed project. Various risks associated during operational stage of the

project such as storage of gas, furnace oil and coal are assessed in this chapter. A

disaster management plan to minimise the risks or to combat the associated risks is also

discussed.

Chapter 8 Project Benefits: The chapter describes various benefits of the project to

the community in the vicinity and as well as to the region as a whole.

Chapter 9 Environment Management Plan: This chapter deals with the management

plan incorporating recommendations to mitigate the adverse impact likely to occur on

environmental parameters during construction and operation phase of the proposed

power plant. Aspects such as green belt development, rainwater harvesting, etc are

described in the chapter.

Chapter 10 Clean Development Mechanism: This chapter deals with the concept of

CDM and describes the methodology for calculating carbon intensity and carbon

reduction. CO2 emission of the proposed power plant has been also calculated in this

chapter.

Chapter 11 Disclosure of Consultants: The list of various experts involved in

preparation of the present EIA/EMP report is given along with brief introduction of the

ENVIRONMENTALIMPACTASSESSMENTSTUDY

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RAJASTHAN

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R i i 002

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PAGE| 172. PROJECTDESCRIPTION2.1 INTRODUCTIONThis chapter highlights the features of the proposed 2x250MW Lignite based power plant,

its layout, details of the process, fuel/raw material requirement, utilities and services,infrastructural facilities and sources of waste generation, their quantity and pollution

control measures.

2.2 PLANT DESCRIPTIONThe proposed project involves installation of boilers of capacity 2140 TPH at BMCR,

generating steam at 221 Kg/cm2 and at a temperature of 560C with Condensing Turbo

Steam Generator Set having generating capacity of 125 MW. Associated mechanical and

electrical equipment, auxiliary units like fuel handling plant, ash handling plant, water

treatment plant, cooling water system, electrostatic precipitators (ESPs), Online Stack

Monitoring System etc. will form part of the total installation. The salient features of the

power plant are given in Table 2.1.

Table 2-1: Features of Proposed Power Plant

Name of the Project Giral Lignite Thermal Power Project

Capacity of the power plant 2x125MW to be developed in single phase

Availability of land Land identified: The land available with existing project for

proposed project is around 48.635 Hectare (Around

120.18 acres), located at latitude 260242.78N and

longitude 711520.61E.

Land for ash pond is around 56.48 hectares (139.56

acres), located at latitude 26052.45N and longitude

711448.78E. It is 4.5 km away from the project site.

ENVIRONMENTAL IMPACTASSESSMENTSTUDY FOR THE PROPOSED 2X125MWLIGNITE BASED THERMAL POWER PLANT AT THUMALI VILLAGES,SHIV TEHSIL,BARMERDISTRICT RAJASTHAN


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Source Lignite is available from Giral & Soneri lignite block of

RSMML adjacent to the plant. Lignite from mines will be

transported through trucks/dumpers and stored in plant

Lignite quality Fixed Carbon : 19-23 %

Total Moisture : 23-26 %

Ash content : 27-32 %

Sulphur : 1-3 %

Gross Calorific Value: 2200-3000 kcal / kgAsh generated Approx. 0.63 MTPA of ash is likely to be generated

Water

Availability of water The water requirements of the plant will be met from the

IGNP (Indira Gandhi Nahar Project) by laying about 165

kms of pipe line.

Requirement 825 m3/hr for 2x125 MW plant

Technical Parameters of Major Equipment

i) Steam generator The steam generator (SG) would be designed for firing

100% Lignite

ii) Steam turbine generator The MCR rating of the steam turbine generator (STG)

would be 125MW at the generator terminals, with valve

wide open capacity of 105% MCR.

Each electric generator would be rated to deliver 125MW

at generator terminals. The generator would have water

cooled stator windings, stator core and rotor.

(iii) Stack One stack of 220 m shall be provided for two units with

twin flue.

(iv) Power evacuation The power generated will be evacuated by 220 kV

substations.

Project schedule Unit-1 - 36 months

Unit-2 - 40 months

Project cost Approx. Rs. 10000 millions

ENVIRONMENTAL IMPACTASSESSMENTSTUDY FOR THE PROPOSED 2X125MWLIGNITE BASED THERMAL POWER PLANT AT THUMALI VILLAGES,SHIV TEHSIL,BARMERDISTRICT RAJASTHAN


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layout plan of the plant which includes additional facilities is presented in Figure-2.1 &

2.2.

Table 2-2: Land Requirements for the Power Plant

S.

NoComponents

Area in

Acres Hectare

1. Main Plant including BOP 31.6

2.Lignite Handling including 7 days lignite

storage30.0

3. Water system including waste disposal 18.0

4. Green belt for main plant 24.0

5. Reservoir with 5 m depth 6.5

6. Road and drainage corridor 10.0

7. Ash Pond Area 139.6

TOTAL Area 259.7Source: Project Information Report, Greenc, 2011

Figure 2-1: Use wise Distribution of Plant Area

The site is almost plain with an elevation of about 221-m above MSL and is suitable to

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2.3.2 Fuel Requirement2.3.2.1Ligni te Requirement & QualityThe total lignite requirement will be 2.1 MTPA (5753 TPD) including about 10% of

handling and transportation losses. The lignite for the power station will be made

available from RSMML lignite mines located near to the plant. Lignite transportation is

envisaged through trucks and dumpers. The lignite containing up to 6% of sulphur and

27-32% of ash will be used in the proposed power plant. The expected quality of the

lignite is given in Table-2.3.

Table 2-3: Expected Quality of Lignite

Sl.

No.Description Units Volume

1 Fixed Carbon % 19-23

2 Total Moisture % 23-26

3 Ash Content % 27-32

4 Sulphur % Upto 6

5 Chloride % 0.68-0.74

6 Gross Calorific value kCal/Kg 2200-3000

Source: Project Information Report, Greenc, 2011

2.3.2.2Start-up FuelThe boiler will be designed for cold start-up and initial warm-up using Light Diesel Oil

(LDO). LDO will be received to the proposed plant by means of the road tankers.

The typical characteristics of LDO are given in Table 2.4.Two LDO tanks of capacity 500

litres will be provided for the project. The fuel supply pumps will be 2x100% LDO pumps.

Table 2-4: Typical Characteristics of LDO

Component Unit LDO

Density at 37C Kg/m3 800



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2.3.3 Water RequirementThe total fresh water requirement for the power plant will be about 826m

3

/hr. This wateris carried out by pipeline from the water requirements of the plant will be met from the

IGNP (Indira Gandhi Nahar Project) by laying about 165 km of pipe line. The water

requirement is given in Table 2.5.

Table 2-5: Water Balance for Proposed Project

Particulars Unit Value

Plant capacity MW 250Water requirement m3/hr 825

DM water requirement

Heat make up water m3/hr 24.75

Make up for DMCW tank m3/hr 2.0625

H2 plant make-up m3/hr 0.4125

Co

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