executive summary of the eia report - tamil … executive summary 1. introduction suryadev alloys...

EXECUTIVE SUMMARY OF THE EIA REPORT

for Proposed Expansion

of STEEL PLANT ALONGWITH CAPTIVE POWER PLANT at NEW GUMMIDIPOONDI & SIRUPULALPETTAI VILLAGES,

GUMMUDIPOONDI TALUK, THIRUVALLUR DISTRICT, TAMILNADU.

Prepared for

Suryadev Alloys and Power Private Limited

AMBA RECYCLER PRIVATE LIMITED,B-3,R.M.Towers,108,Chamiers Road,Chennai-600018

1

EXECUTIVE SUMMARY 1. INTRODUCTION

Suryadev Alloys & Power Private Limited (SA&PPL) is the promoter of the project, has proposed to expand the existing steel mill by increasing the capacity of Steel Units, installing new Kilns for Sponge Iron Plant, Re-rolling Mill & Captive Power Plant. 2. LOCATION AND DESCRIPTION OF SITE ENVIRONMENT The proposed expansion of Steel Plant is proposed adjoining the existing plant site for which additional 90 Acres of land has been acquired at New Gummidipoondi and Sirupulalpettai Villages, Gummudipoondi Taluk, Thiruvallur District in Tamilnadu. The details of Survey Nos are as follows:

Existing

Land

Survey # 288, 289, 294, 297/2 & 298 of New

Gummidipoondi Village & 93 of Sirupulalpettai

Village

29.01 Acres

Additional

Land

Acquired for

Expansion

Survey # 281 to 287, 290 to 293, 295, 296 & 297/1A to

297/1D of New Gummidipoondi Village & 78,80 to

92 & 94 to 111 of Sirupulalpettai Village

90.00 Acres

The land is located in a predominantly industrial area; the location is also shown in the Survey of India Map in Fig 1.0. The revenue Survey Map demarcating the existing land and proposed land is also shown in Fig 2.0. 3. NEED FOR THE PROJECT The steel industry in India is rapidly expanding. It is forecast that steel production will rise from 38 million tonnes in 2005 to 68 million tones in 2015. Extensive capacity increases are planned for this same period. Despite the stellar increase in production, India’s share of global crude steel output is forecast to rise to just under 4% in the next ten years. The Indian steel ministry plans to raise the export share from 15% at present to 24% in the next 15 years. In view of the increased demand domestically, and in the export market SA&PPL has proposed to expand the existing steel mill.

2

Fig 1.0 Location of Suryadev Alloys & Power Private Limited

3

Fig 2.0 Revenue Survey Map

88

89/1

A1

91/1

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89/1A389/1B

89/1C 89/1D

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V.No. 75,

Gummudipoondi

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V.No. 80,

Dhandalacheri Village

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1B101/1C

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V.No. 80,


102/2A

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63

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To T

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V.No. 75,

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/2B

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113

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66 65

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To T

handala

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To K

arum

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tin

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oad

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78/2C78/2A2

78/2D78

/2E

78/2A1

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39A

COMBINED SKETCH OF S.F.Nos. 78, 80, 81, 82, 83, 84, 85, 86, 87, 88, 89, 90, 91, 92, 93, 94, 95, 96, 97,98, 99, 100,

101, 102, 103, 104, 105, 106, 107, 108, 109, 110 & 111 OF V.No. 46, SIRUPUZHALPETTI VILLAGE, AND

S.F.Nos. 281, 282, 283, 284, 285, 286, 287, 288, 289, 290, 291, 292, 293, 294, 295, 296, 297, 298 OF

GUMMUDIPUNDI NEW VILLAGE, GUMMUDIPUNDI TALUK, THIRUVALLUR DISTRICT.,

REFERENCE:

SITE BOUNDARY -

EXISTING ROAD -

-

-

VILLAGE BOUNDARY --

Existing Boundry

Proposed land

4

4. PROJECT DESCRIPTION

4.1 Steel Mill The DRI – IF – AOD/LRF – CCM – RM route is considered for the integrated plant under

consideration, which is suitably supported by the Captive Power Plant. The main technological

facilities in different processing steps for production of rolled products in DRI-SMS-RM route

are as follows.

S.No Processing step Technological facility

1. Iron making Direct Reduction Plant

2. Steel making Induction Furnace

3. Secondary refining AOD/Ladle Furnace

4. Casting Billet Caster

5. Rolling of Billets/ Blooms Rolling Mill

4.2 Power Plant The proposed power plant will have a power generating capacity of 3 x 35 MW (105000 units

per hour). This power plant is of regenerative cycle design and mainly consists of steam

generator and auxiliaries with coal as fuel, regenerative feed heat system with condensing

steam turbine and auxiliaries and all other equipment associated. The power plant will use Air

Cooled Condenser for main condensate cooling.

4.3 Co-Generation Power Plant

The process of sponge iron making by the DRI route produces a large quantity of flue furnace

gas. About 3500 N.Cu.m of flue gas with a calorific value of 900 K.Cal/N.Cu.m will be

generated per ton of hot metal produced. It is estimated to generate about 18 tons per hour of

steam, which inturn generates about 9000 KW power per 2-kilns, and Hence total Power

Generated for 4-kilns together will be 18 MW. The Co-generation power plant will use Air

Cooled Condenser for main condensate cooling.

5

4.4 Salient Features of the Project

Sl. No.

Parameters Existing Proposed Additional

Upon Expansion

1. Products

Rolled Products 140000 TPA 760000 TPA 900000 TPA

Intermediate Product - Billets 140000 TPA 780000 TPA 920000 TPA

Sponge Iron -- 231000 TPA 231000 TPA

Power Plant – WHRB -- 18 MW 18 MW

Power Plant – CFBC -- 3 x 35 MW 3 x 35 MW

Oxygen Plant -- 50 TPD 50 TPD

2. Total Land Area (Acres) 29.01 90.00 119.01

Built-up Area (Acres) 11.75 42.25 54.00

Green belt development (Acres)

7.25 22.75 30.00

Raw Material Storage & Utilities (Acres)

3.00 12.00 15.00

Slag Storage & Ash Dyke (Acres)

7.01 13.00 20.01

3. No. of Employees 93 Nos 407 Nos 500 Nos

4. Water Consumption (cu.m/d) 38.0 640.0 678.0

Domestic Water Consumption (cu.m/d)

4.0 21.0 25.0

Process Water (cu.m/d) 34.0 619.0 653

Green Belt Development (cu.m/d)

Cooling Water Blow Down is

used

Cooling Water Blowdown will

be used

Cooling Water Blowdown will be

used

5. Energy requirement 27 MW (TNEB) 114 MW (CPP)

114 MW (CPP) 25 MW (TNEB)

6. Total fixed Assets (Rs. in Crores)

85.00 1415.00 1500.00

7. Total Pollution Control Coast (Rs. In Crores)

0.725 180.00 180.725

6

4.5 Utilities and Services 4.5.1 Water supply The plant has been provided with extensive re-circulation systems to minimize make-up water consumption as far as possible. The water requirement in the entire plant operation is only for cooling purposes. The daily water requirement is only to makeup the evaporation / blow down loss.

Description Quantity (m3/day)

Existing Upon Expansion

Induction furnace coil cooling 20 210

Concast Machine cooling 7 75

T.M.T 2 90

Boiler Make-up -- 108

D.M. Plant -- 10

Rotary Kiln Cooling -- 180

Domestic Consumption 4 25

Total 38 678

The total raw water will be sourced from ground. Necessary permission for drawal of ground water has already been obtained from CGWA, vide Letter No.21-4(189)/SECR/CGWA/2010-59 dated 03/04/2010.

4.5.2 Wastewater/ waste management The quantity of existing and upon expansion plant Industrial waste water viz. Boiler

/Cooling Tower blow down, D.M. Plant regeneration waste and sewage generation are as

follows.

Description of effluent generated Qty (KLD)


Industrial 20 261

Sewage 3.20 20

Total 23.20 281

The Boiler / cooling water blowdown will be taken to 2- consecutive Cooling Ponds, and

then to Guard Pond. From Guard Pond the water will be used for green belt.

The domestic sewage will be treated in Sewage Treatment Plant and discharged for green belt.

4.5.3 Fire protection system An elaborate fire hydrant system covering all the buildings of the proposed expansion as well as outlying areas including coal stockyard would be provided. Rain water will be stored in a tank for further distribution to fire water storage tank and service water overhead tank.

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In addition to the fire hydrant system, the following fire protection systems are proposed:

Automatic High velocity water spray (HVWS) system for the protection of transformers;

Automatic medium velocity water spray (MVWS) system and foam system for fuel oil tanks;

Automatic MVWS system for coal conveyors, cable galleries, etc.; Automatic sprinkler systems for certain select areas; Manual HVWS system for the protection of turbine oil tanks; and Portable extinguishers and fire tenders as required

4.6 Project Cost & Implementation Schedule The cost of the total project upon expansion will be Rs.1500 Crores, which includes Rs.180.725 Crores for environmental protection measures. The expansion project is scheduled to be commissioned in June 2011.

5. Baseline Environment 5.1 Study Area and Period An area of 10 km radius around the project site was considered for the study. The baseline environmental data was generated during March-May 2010.

5.2 Description of the Environment The environmental setting of project site is given below.

S. No

Particulars Details

1 Plant site latitude and longitude 13°22’58” to 13°23’33” N 80°06’08” to 80°06’45” E

2 Plant site elevation above mean sea level (MSL)

18.2 m

3 Present land use at the site Industrial

4 Plant site boundary to coast 25 km

5 Nearest highway SH 52, 1.5 km South NH 5, 2.6 km East

6 Nearest railway Station Gummidipoondi, 4.0 km North East

7 Nearest airport Chennai, 51 km South

8 Nearest port Ennore

9 Nearest town/village Gummidipoondi, 4.5 km East

10 Hills/valleys None within 10 km radius

11 Topography Plain

12 Archeologically important places Nil within 10 km radius

13 National parks/wild life sanctuaries Nil within 10 km radius

14 Reserved and protected forests Pallavakkam R.F. 4.5 km Southwest

15 Seismicity The study area falls in Seismic Zone III

16 Defence installations Nil within 10 km radius

8

Fig 3.0 Location of Ambient Air Quality Monitoring Station

SA1

SA2

SA3 SA4

SA5

SA6

SA7

SA8

9

5.3 Baseline Environmental Conditions Baseline environmental studies for various environmental attributes were carried out during the months March-May 2010 covering winter season. 5.3.1 Ambient air quality Ambient Air Quality Monitoring (AAQM) stations were set up at eight locations. The samples were collected twice in a week for one complete season, Respirable suspended particulate matter (RSPM), oxides of Sulphur (SO2), oxides of Nitrogen (NOx) were collected on a 24-hourly basis and CO, HC, O3 & Pb on an 8-hourly basis. Respective details are given in the table below: Ambient Air Quality Data

Location Concentration g/Nm3

SO2 NOX RSPM

SA1 12-19 11-25 9-26

SA2 14-24 13-38 16-41

SA3 15-18 14-27 15-37

SA4 14-21 12-28 12-40

SA5 12-21 11-25 10-27

SA6 14-24 13-38 16-40

SA7 15-18 14-27 15-38

SA8 14-21 12-28 12-41

Overall 12-24 11-38 9-41

HC, CO, O3 and Pb are Blow Deductable Level (BDL) Observations: The 98th percentile values of RSPM, Oxides of Sulphur (SO2), Oxides of Nitrogen (NOX), Hydrocarbons (HC) and Carbon Monoxide (CO) were monitored and found to be within the limits prescribed by Central Pollution Control Board (CPCB) for rural and residential areas.

10

5.3.2. Ambient noise levels Noise levels were monitored at eight (8) locations for assessing the existing noise levels in and around the project site. The monitoring was carried out once in the season for 24 hours and found to be within the permissible levels. 5.3.3 Water Quality The baseline data on water in and around the proposed expansion site was generated during the study period. Water quality was monitored once during the season at 8 locations to assess the baseline status. Bacterial examination was carried out to identify faecal contamination of water sources. pH from the samples analysed varied between 6.5 to 7.0. Total Dissolved Solids (TDS) from the samples analysed varied between 310 mg/l to 520 mg/l. The chlorides of the samples varied between 241 mg/l to 394 mg/l. The hardness of the corresponding samples varied between 38 mg/l to 234 mg/l. Heavy metals in all the samples were found to be below detectable limit. The test carried out for Pesticides and phenolic compounds proved the water in and surrounding the plant site to be nontoxic in nature. 5.3.4 Soil Quality Soil samples were collected from 6-locations and analysed. Soils in the region are mostly silty-loam in texture, with moderate clay content. The soils are a poor quality and blackish brown in colour. pH of the soil samples varied from 6.05 to 6.8. The soil is weakly acidic with no traces of the alkalinity. The fertility value of the soil is very low with low organic matter and NPK content. 5.3.5 Flora and Fauna

An area of 10 km radius was surveyed. The land is mostly barren, the climate is hot and humid with high wind velocity and scanty rainfall. The vegetation is mostly xerophytic type, dominated by Acacia planiferns, & A.nilotica. Though the plant density & diversity is poor, the sporadic occurrence of the species viz. Azadirachta indica, Albazzia lebbek, Terminalia catapa, etc. were recorded A total number of 17 species of birds were noticed during the present survey. Most common birds observed at various sites were black drongo, common myna, house crow, house sparrow, jungle crow and redvented bulbul. These birds were observed in close association with man and cattles. The majority of birds encountered in the study area are omnivorous in habit preferring insects, worms etc. as the main food item.

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5.3.6 Baseline socio-economic conditions The total population of Gummidipoondi Taluk in Census 2001 was 143,402, out of which 71,919 (or 50.15 per cent) are males and 71,423 (or 49.85 per cent) are females. Among the total population, 38,408 (26.78 per cent) belonged to the Scheduled Castes (SC) and 3,434 (2.39 per cent) belonged to the Schedule Tribes (ST). The literacy level is 54% the working population is 65% engaged as main Workers and 2% as marginal workers. The area does have moderates to good facilities for Primary and secondary education. There are also primary health centres available. The area is predominantly industrial area. 5.4 Anticipated Environmental Impact and Management Plan 5.4.1 Construction Phase

During construction, activities like soil cutting/filling, grading, concreting, piling and installation of main plant equipment like boilers, turbines etc., will be performed. Temporarily, some of the environmental parameters may get disturbed during the construction phase. Dust pollution will be minimized by water spraying and maintenance of road. The construction heavy vehicles will be maintained properly to ensure emission within permissible levels and also reducing the noise levels. Adopting good construction and engineering practices will help in mitigating the water pollution. Temporary arrangements will be made for septic tank/pit to get rid of sanitary problem at construction site. However, these impacts are expected to be temporary in nature that will subside once construction period is over. Temporary beneficial socio-economic impact in terms of increased jobs and flow of money to the workers and villagers settled nearby is expected during the construction period. Migration of workers population is expected to be minimum, as local workers from the nearby area will be preferred for temporary employment. 5.4.2 Operation Phase 5.4.2.1 Air Environment

The major sources of air pollution from the operation and control measures are as fallows. I. Inplant Control Measures - Mechanical Handling of scrap and scrap for feeding the raw material to furnace - A local hood with adequate ID Fan capacity to absorb all the fumes from melting furnace - Provision of water spray scrubbers to all the electric induction furnace and stack of 30m

height - Use of producer gas in reheating furnace and stack of 30m height - Provision of ESP to the rotary kiln of sponge iron plant

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- Closed shed for coal storage , and water sprinkler in iron ore storage area - Provision of 30m height stack for LRF/AOD furnace - Provision of ESP/Stack for boiler - Provision of wind shield/water sprinkler for coal storage - Provision of bag filters at all the transfer point of the conveyor - Provision of bag filters at ash silo - Maintaining water column on the ash dyke - Black topping of roads to prevent fugitive emission during transportation - Use of dolochar from sponge iron plant in CFBC boiler - Implementation of Rain Water Harvesting System to meet ground water requirements II. Offsite Control Measures - Green belt development to mitigate air Pollution, and attenuate noise - Follow proper architectural principles to avoid visual pollution. - Proper maintenance of vehicles to control emissions from exhaust gas The emission rate and stack details considered for air pollution dispersion analysis is given below.

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Stack Characteristics

Stack No *1 *2 *3 4 5 6 7 8

Material of Construction M.S M.S M.S M.S M.S M.S M.S M.S

Stack attached to Induction Furnace

25T

Induction Furnace

25T

Re-Heating Furnace

Induction Furnace

30T

Induction Furnace

40T

Induction Furnace

40T

Induction Furnace

40T

Induction Furnace

40T

Stack height Above the ground level, in m

30.0 30.0 30.0 30.0 30.0 30.0 30.0 30.0

Stack top Round or Circular

Circular Circular Circular Circular Circular Circular Circular Circular

Inside dimensions of the stack at top, mm

600 600 500 600 600 600 600 600

Gas quantity – m3/hr 21400 22200 11900 25000 25000 25000 25000 25000

Flue gas temperature, oC 70 75 212 75 75 75 75 75

Exit velocity of the gas, m/s 21.0 21.8 16.9 24.56 24.56 24.56 24.56 24.56

Emission concentration, mg/Nm3

SO2 34.5 42.0 240 42.0 42.0 42.0 42.0 42.0

NOx 15.2 14.4 29.5 15.0 15.0 15.0 15.0 15.0

SPM 31.0 30.0 11.0 30.0 30.0 30.0 30.0 30.0

Emission rate, g/s

SO2 0.205 0.259 0.793 0.236 0.292 0.292 0.292 0.292

NOx 0.09 0.0888 0.0975 0.104 0.1 0.1 0.1 0.1

SPM 0.184 0.185 0.036 0.208 0.208 0.208 0.208 0.208

* Existing

14

Stack No 9 10 11 12 13 14 15

Material of Construction M.S M.S M.S M.S M.S M.S M.S

Stack attached to Re-Heating Furnace

Re-Heating Furnace

Re-Heating Furnace

Power Plant

2 x 35 MW Twin flue

Single Chimney

Power Plant

1 x 35 MW

Rotary Kiln

2 x 175TPD

Rotary Kiln

2 x 175TPD


30.0 30.0 30.0 110 90 30 30


Circular Circular Circular Circular Circular Circular Circular


500 500 500 2000 1500 1350 1350

Gas quantity – m3/hr 15000 15000 15000 250200 125100 110000 110000

Flue gas temperature, oC 212 212 212 140 140 176 176

Exit velocity of the gas, m/s 21.26 21.26 21.26 22.1 19.7 22.0 22.0


SO2 240 240 240 831.37 415.68 284.0 284.0

NOx 29.5 29.5 29.5 467.63 233.81 113.6 113.6

SPM 11.0 11.0 11.0 6.48 3.24 100 100

Emission rate, g/s

SO2 1.0 1.0 1.0 57.78 14.44 8.68 8.68

NOx 0.123 0.123 0.123 32.5 8.12 3.47 3.47

SPM 0.07 0.07 0.07 0.45 0.113 3.06 3.06

15

Stack No *16 17 18 19

Material of Construction M.S M.S M.S M.S

Stack attached to D.G. Set 500 KVA

D.G. Set 600 KVA

D.G. Set 750 KVA

D.G. Set 750 KVA


9.0 9.5 10.5 10.5


Circular Circular Circular Circular


150 150 200 200

Gas quantity – m3/hr 1000 1000 3400 3400

Flue gas temperature, oC 100 100 300 300

Exit velocity of the gas, m/s 15.43 15.43 30.0 30.0


SO2 52 52 280 280

NOx 15 15 22 22

SPM 13 13 19 19

Emission rate, g/s

SO2 0.014 0.014 0.2644 0.2644

NOx 0.0042 0.0042 0.0208 0.0208

SPM 0.0036 0.0036 0.0053 0.0053

* Existing

16

Various pollution control equipments proposed to mitigate Impact on Air Environment is as follows. Sl. No. Source of Pollution Process of

Pollution Pollutants Control Measures

*1. Electric Induction Furnace 25 T

Melting of Scrap SPM Cyclone/Bagfilter/ Chimney

*2. Electric Induction Furnace 25 T

Melting of Scrap SPM Cyclone/Bagfilter/ Chimney

*3. D.G. Set (500 KVA) Fuel burning ie. HSD

SO2, NOX, SPM Stack

*4 Re-heating Furnace Annehealing of Billets

- Producer Gas used / ID Fan / Stack

5 Electric Induction Furnace 30 T

Melting of Scrap SPM Cyclone/Wet Scrubber/ Chimney

6. Electric Induction Furnace 40 T

Melting of Scrap SPM Cyclone/ Wet Scrubber / Chimney







10 Re-heating Furnace Annehealing of Billets

SPM Producer Gas used / ID Fan / Stack





13 CFBC [Power Plant (2 x 35 MW)]

Fuel (Coal) Burning

SO2, NOX, SPM ESP / Low NOX Burner / Use of Lime Stone / Stack

14 CFBC [Power Plant (1 x 35 MW)]

Fuel (Coal) Burning

SO2, NOX, SPM ESP / Low NOX Burner / Use of Lime Stone / Stack

15. Rotary Kiln (2 x 175 T) DRI Process SO2, NOX, SPM ESP/Stack Use of Limestone

16. Rotary Kiln (2 x 175 T) DRI Process SO2, NOX, SPM ESP/Stack Use of Limestone

17. D.G. Set (600 KVA) Fuel burning ie. HSD

SO2, NOX, SPM Stack as per CPCB





* Existing

17

Air Dispersion Modeling

The incremental increase in ground level concentration using ISCST3 predicated that the

concentration of SO2, NOX, RSPM remain well within the permissible levels upon the operation

of the Power Plant.

The ambient air quality monitoring and prediction of GLC for different averaging times depict

that 24 hrs/avg, SO2, NOx, & RSPM remain within the permissible limits of CPCB. As effective

Air Pollution Control measures will be ensured for the proposed expansion of Suryadev, there

will not be any significant impact on the Air Quality.

Suggested control measures for arresting fugitive dust emissions along with the envisaged

pollution control equipment are adequate and will help to have a healthy and cleaner

environment inside the plant thereby improve the productivity and the efficiency of the

workers as well as that of plant machinery.

5.4.2.2 Water Environment

The captive power plant proposed to use Air Cooled Condensers for the condensate/auxiliary

cooling thereby save water to a large extent.

The quantity of existing and upon expansion plant Industrial waste water viz. Boiler /Cooling

Tower blow down, D.M. Plant regeneration waste and sewage generation are as follows.

Description of effluent generated Qty (KLD)


Industrial 20 261

Sewage 3.20 20

Total 23.20 281

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Wastewater Management at Proposed Power Plant

Type of Waste

Significant Parameters Method of Treatment

Boiler /Auxiliary cooling Blow Down

Temperature This will be discharged to two successive cooling ponds and then taken to guard pond

The composite waste water will then be used for greenbelt.

DM Plant regeneration Waste

pH (4 to 10) TDS (5000 mg/l)

pH Neutralization and mixing with other effluents in the guard pond

Sewage BOD/200-250mg/l TSS (300-450 mg/l)

Treated in Sewage Treatment Plant

Treated Sewage will be used for greenbelt.

5.4.2.3 Noise Environment

In general following measures will be taken to control noise to level within the permissible limit

at the boundary of plant.

i. Noise generating sources and their platforms would be maintained properly to

minimise noise and vibration.

ii. Attempts would be made to restrict high noise operation viz., restarting after shutdown etc. during day time to reduce community annoyance.

iii. Control cabins of compressors and D.G.set area would be made sound-proof.

iv. Automatic door closures would be provided for control cabins and plant laboratories.

v. The vent valves will be equipped with silencers/mufflers.

vi. Ear muffs / plugs would be provided for personnel working near the noisy machines.

vii. Noise barriers would be provided in the form of trees in green belt area.

viii. Training would be imparted to plant personnel to generate awareness about damaging

effects of noise.

ix. The work places like turbine halls, compressor rooms etc., will be provided with noise

dampening materials like thin rubber/lead sheet and surrounded with double walled

protection.

x. The roofs, walls and floors will be covered with noise absorbing material to reduce the

reflected noise.

xi. Control rooms will be in closed glass enclosures.

19

xii. A thick green belt with species of rich canopy will be developed to control the noise

levels at the boundary.

xiii. The specific species of Green Belt that will be used for control of noise emissions.

xiv. Monitoring of noise levels.

In addition to proper maintenance of the equipment, construction of 3 metre high compound

wall and development of thick green belt will absorb more than 50% of the noise generated

and hence abate any impact on the community.

5.4.2.4 Solid Waste Management

The solid waste generated will be slag from melting and dolochar from sponge iron plant.

Fly ash and Bottom ash will be generated from Power Plant.

The quantity of solid waste that would be generated upon expansion are as follows

S. No. Description Quantity generated (T/D) Mode of Disposal


1. Slag 33 270 Ground slag will be Sold to

Cement manufacturers

2. Fly ash -- 391 Sold to Cement manufacturers

3. Bottom ash -- 168 Sold to Brick manufacturers

4. Dolochar -- 119 Will be used in CFBC Boiler

From the operations of the plant upon expansion all the solid waste that will be generated,

disposed to the proper end users.

5.4.2.5 Land Environment

One of the activities with large potential effects on soil and groundwater is the disposal of waste

on land and in landfill sites. When waste material is disposed off on land, rainwater and

surface run-off may percolate through the material and carry contaminants into soil and

groundwater. Change in soil surface and soil properties may have impacts on soil micro-

organisms, natural and cultivated plants and animals, the visual landscape and amenity and on

buildings and other constructions.

20

The ground level concentrations of the pollutants are predicted to increase by negligible level,

more over the ponds and ash dykes are lined with impervious liners resulting in zero leachete.

Hence, the impact on land environment due to the proposed expansion is marginal, and

insignificant.

5.4.2.6 Green Belt Development

About 7.25 Acres of land has already been developed with greenbelt and upon expansion,

about 22.75 Acres of additional land area of Suryadev is proposed to be developed with

greenbelt. The tree density will be around 1500 per ha considering 33% of plant area for Green

Belt.

Natural features of the plant site will be retained as far as possible to integrate with the

buildings to form a harmonious/pleasant environment. The green belt will consist of native

perennial green and fast growing trees.

5.4.2.7 Biological Environment

The proposed expansion is within/adjacent the existing plant site.

RSPM, NOx and SO2 due to operation of the proposed expansion will remain within the

National Ambient Air Quality standards. Moreover use of Boiler /Auxiliary Cooling

Blowdown / D.M. regeneration waste water for green belt will be within the permissible levels.

Therefore, the impact of these emissions on the surrounding ecosystem will be insignificant.

5.4.2.8 Socio-economic Environment

Upon expansion about 500 persons will be employed directly and many will be indirectly

employed in the plant, when the plant goes into operation. Indirect benefits will also accrue to

a large extent around the project site. Support services in commerce, transport and ancillary

workshops would further enhance employment potential.

The project proponent not only believe in the development of project area and their employees

but also in the socio-economic growth of its neighbourhood by taking up several welfare

activities which would help improving the environment with significant growth in the socio-

economic status.

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6.0 Environmental Monitoring Programme

S.No. Parameter Frequency

1 Ambient air quality Twice in a week will be carried out for 24 hours continuously to monitor RSPM, SO2, NOx, CO, HC levels.

2 Source emissions Continuous On-line monitoring will be carried out for SPM, SO2, and NOx.

3 Ground water quality Once in a month except for heavy metals which will be monitored quarterly. Monitoring will be carried out for parameters specified under IS:10500, 1991.

4 Wastewater quality Once in a month will be carried out for 24 hours continuously as per EPA Rules, 1986.

5 Soil sample Soil samples will be monitored quarterly for parameters specified by TNPCB.

6 Solid waste Monthly records of fly ash and bottom ash generation, collection, storage and disposal will be maintained as per the MoEF Notification on Fly Ash utilization.

7 Ambient Noise Environment Ambient noise environment will be monitored once in a season.

8 Work Atmosphere Noise Noise level monitoring will be carried out within the plant premises once in a month.

9 Occupational Health and safety

Qualified doctors will carry out pre-employment and periodical medical check-up of all the employees.

7.0 Risk Analysis

Risk assessment study of the proposed expansion was carried out. All equipment vulnerable to

explosion or fire are designed to relevant IS codes & statutory regulations. Suitable fire

protection system comprising hydrants and spray systems are proposed for fire protection.

Comprehensive on-site/off site emergency plan and disaster management plan for the

proposed expansion units are prepared based on Risk Assessment Study.

8.0 Conclusion

The proposed expansion of steel mill alongwith captive power plant located within/adjacent to

existing plant site and adoption of extensive pollution control techniques to maintain the

emission/discharges within the permissible norms will have least impact on the ambient

environment.

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