Application Form-1 for the Environment Clearance of...

Application Form-1 for the Environment Clearance of

SONADIH LIMESTONE DEPOSIT, ML-2 (area 64.815 Ha), District – Baloda Bazar Bhatapara (Chhattisgarh)

M/s Lafarge India Pvt.Limited

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PRE-FEASIBILITY REPORT

1.0 INTRODUCTION OF THE PROJECT/ BACKGROUND INFORMATION Details of the Company: Lafarge India Private Limited (LIPL) is a subsidiary of Lafarge, a world leader in building materials, with Headquarter in Paris (France) and top-ranking position in the Cement, aggregates & Concrete businesses. In 1833 Lafarge started its operations and contributed to the first major project - the Suez Canal in Egypt in 1864. With over 180 years of experience and knowledge gained from operations across the world, Lafarge contributes to the construction of cities by providing innovative solutions. LIPL is operating six cement plants in India, two integrated plants in the state of Chhattisgarh, one in Rajasthan and one each grinding/ blending stations in West Bengal, Jharkhand and Haryana. LIPL produces and sells Ordinary Portland Cement, Portland Slag Cement, and Portland Pozzolana Cement. The Total cement production capacity of LIPL in the Indian market currently stands at around 11 million tonnes per year. Sonadih Cement Plant, a unit of LIPL, is located near Sonadih village, Balodabazar Tehsil of Balodabazar-Bhatapara District in Chhattisgarh state. The present plant capacity is 3.5 mtpa clinkers which require 5.5 million tonne per annum of limestone. Out of the total clinker production, about 12-15% clinker is utilized at Sonadih Cement Plant for manufacturing of Portland Pozzolana Cement, while 85-88% clinker would continue to be sent to Jojobera grinding unit. Lafarge India Pvt. Ltd (mines and plants) have received various awards from MOEF, GreenTechnical Foundation, NCBM, MOCCM, CII in relation to energy saving and mines have received awards from IBM and DGMS during MEMCW and mines safety week celebrations.




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Details of the lease held by LIPL in the state of Chhattisgarh:

S. No. Name Location Area (Ha)

Validity

1 Sonadih Limestone Mines

District- Baloda bazaar Bhatapara

444.763 15/01/1986 to 14/1/2026

2 Arasmeta Limestone Mines (Lease 1 & 2)

District- Janjgir Champa

499.987 31/05/1979 to 31/03/2030

3 Arasmeta Limestone Mines, Lease no.- 3


46.292 18/06/1997 to 17/06/2047

4 Kirari Limestone Mines District- Janjgir Champa

167.048 26/8/2000 to 25/8/2050

5 Chilhati Limestone Mines


1085.365 15/12/2015 to 14/12/2065

The State Govt. has issued a letter of intent for sanction of mining lease vide letter No. AF 3-41/2010/12, Naya Raipur dated 17/10/2016. The sanctioned mining lease is a part of Prospecting license area of 92.165 Ha, during the recommendation for mining lease, the area has been reduced to 64.815 Ha. The Mining Plan has been approved under Rule 16(1) of Minerals (other than atomic and hydrocarbon energy minerals) Concession Rules 2016. 1.1 Nature of the Project The proposed project is a opencast limestone (minor) project and is classified as “CATEGORY – A” by Ministry of Environment, Forests & Climate Change, New Delhi 1.2 Need for the Project and its importance to the country and or region Exploiting this limestone deposit is important for the country’s long term economic growth and regional growth. By mining the deposit, the limestone will supply to the cement plant and helps in enhancing the production of cement plant and will provide the country with increased government earnings and revenues that will transform the region’s economy from predominantly uncultivated to significantly industrial and accelerate the pace of development in the region. The project shall also provide additional revenue to State Government and create direct and indirect employment opportunities, which will catalyze overall growth of the State and improve the quality of life of the people living in the region 1.3 Demand Supply Gap The area has been notified for lease contains deposit of limestone. Exploiting this limestone deposit is important for the country’s long term economic and regional growth. By mining the deposit, the limestone will supply to the cement plant and helps in enhancing the production of




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cement plant and will provide the country with increased government earnings and revenues that will transform the region’s economy from predominantly uncultivated to significantly industrial and accelerate the pace of development in the region. The project shall also provide additional revenue to State Government and create direct and indirect employment opportunities, which will catalyze overall growth of the State and improve the quality of life of the people living in the region. 1.4 Employment Generation (Direct and Indirect) Due to the Project To run the mine systemically and scientifically and to achieve the target of limestone production uninterrupted, it is imperative to have a team of highly- skilled officials well supported by, trained and experienced skilled technical and non technical officials and backed by a team of semi-skilled staff and a fleet of unskilled workers. The breakup of total employment (Highly Skilled, Skilled, Semi-Skilled and Un-Skilled) is as under:

S. No. Highly Skilled Man power No. 1 Mines Manager (Ist class certificate holder) 01

2 Asstt. Manager Mines (Ist or IInd class certificate holder) 01

3 Geologist 01

4 Mining Engineer 01

4 Mechanical Engineer 01 5 Electrical Engineer 01 Total 06

S. No. Skilled Man power No.

1 Mining Foreman (certificate holder) 04 2 Blasting Foreman 01 3 Mechanical Foreman 03 4 Electrical Foreman 03 5 Store Officer 01 6 Security Officer 01 7 Mine Surveyor 01 Total 14

S.No. Semi-Skilled Man power No.

1 Drill machine operator (experienced) 02 2 Excavator operator (experienced) 02 3 Dumper operator (experienced) 03 4 Compressor operator (experienced) 02 5 Rock breaker operator (experienced) 01 6 Dozer operator (experienced) 01




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7 Mechanical, Electrical, Blasting 05 8 Time Keeper 02 9 Security 10 Total 28

1 Unskilled labour for housekeeping, plantation 10 Total 10

Note: Apart from the above, for maintenance of roads, making drains, fencing & other miscellaneous jobs will be done up on contractual basis. 2.0 PROJECT DESCRIPTION

S.No Particulars Details 1. Proposed Production Mining Production : 9,90,000 Tons per year 2. Lease Area 64.815 Hectare 3. Expected Project cost 22.70 Crores 4. Method of mining Open cast mechanised 5. Water Requirement 20 KLD

6. Manpower Requirement 68

2.1 Location Details with coordinates. The detail of the area is as under: District : Balodabazar-Bhatapara Tehsil : Balodabazar Village : Raseda Area (ha) : 64.815 Hectares The area falls in Toposheet No. 64 K/1 and K/2.The area falls between Latitudes 210 43’ 31” to 210 44’ 25” N and Longitudes 820 11’ 47” to 820 12’ 36” E 2.2 Topography & Drainage: The topography of the area is almost a flat having gentle slope from SW to NE direction. The maximum contour level is 255 mRL near the SW boundary and minimum is 242 mRL near the NE boundary. The applied lease area is divided into 2 Blocks. The Shivnath River flows from north to south and suddenly takes turn near the northern boundary of the existing lease of the company which is about 2.0 km from this lease area and flows towards ESE direction.




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The River Shivnath and its tributaries viz Khorsi Nala and Jamuniya nala control drainage of the area. Various streams originate from this and forms a network to join this nala, which finally flows in SW-NE direction and meets the river Shivnath exhibiting dendritic pattern in the most of the area. Beloda branch of the Mahanadi canal enters the area from SSW part of the lease area and passes towards northern part distributing water to the villages in its course. All the seasonal nalas flow into the Shivnath River. Climate: The area has sub-tropical climate. May is the hottest part of the year with temperature reaching upto 470C; while the usual temperature ranges between 270C and 420C. January is the peak winter with temperature varying between 280C and 130C. Rainfall: The average annual rainfall ranging from 800 to 900 mm. The rainy season starts from June to September with maximum rain fall in the month of August. Sometimes intermittent showers accompanied by storm are experienced in March and April before the on-set of monsoon. The ground water-level monitored around the area was found to be in the range of 30 - 35 m, which corroborates from the finding of adjacent existing operation. The limestone is hard, compact and massive in nature and devoid of any secondary porosity like joint, fissures etc and to have potential ground water occurrence. Adjacent mining operation has reached upto a depth of 32 m and ground water has not yet encountered. 3.0 Geology: The limestone and associated formation which is occurring near the village a part of Chhattisgarh Synclinorium and belonging to Chandi Formation of the Raipur Group of Chhattisgarh Supergroup. The limestone deposit is almost horizontally bedded with local dip from 20 to 50 towards north. The general strike of the limestone bed is east-west. The interacratonic Chhattisgarh Basin is crescent shaped and covers about 33,000 sq km area in almost the center of Chhattisgarh and adjoining parts of Orissa. The basin has a maximum length of about 300 km along ENE-WSW direction. The maximum thickness of sediments is estimated to more than 2 km and is epicontinental or stable shelf type. GEOLOGY IN BRIEF: LITO-STRATIGRAPHY OF CHHATTISGARH BASIN (SOURCE: GSI MISCELLANEOUS PUBLICATION NO. 30, PART XXI, 2ND REVISED EDITION, 2006) Grou

p Formation Member

CHH

ATTI

SGA

RH

Ra

ipur

Gr

oup

Intrusives Dolerite dyke Maniyari Purple shale with dolomite, dolomitic limestone and

gypsum Hirri(70 Grey dolomite, argillaceous dolomite




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m+) Terenga (180 m ?)

Bilha Purple dolomitic argillite Dagauri Green clay, chert and shale intercalation (tuffaceous?) Kusmi Pink to purple calcareous shale

Chandi (67 m)

Nipania Purple and bedded limestone Purple argillaceous stromatolitic dolomite

Pendri / Deodongar

Purple and grey stromatolitic limestone and dolomite with flaggy limestone-shale intercalation / ferruginous glauconitic arenite and shale

Gunderdehi

Newari Pink and buff stromatolitic limestone and dolomite Andha / Dotopar

Predominantly pink, purple and grey shale with limestone intercalation / arenite / buff to green shale member in the middle

Charmuriya (490 m)

Bagbura Purple limestone (phosphatic) Kasdol Dark grey bedded limestone / argillaceous limestone

with minor shale intercalations Ranidhar Cherty limestone and dolomite (phosphatic at places) Sirpur Chert and clay intercalation

Chad

rapu

r Gr

oup

Kanspather White to pinkish glauconite quartz arenite Chapordih Purple, green, grey and black shale with fine quartz

arenite intercalation Lohardih (20 m)

Ferruginous purple arkose and gritty wacke arenite with shale partings and conglomerate at the base

Unconformity

Sing

ora

Grou

p

Chhuipali (300 m?)

Stromatolitic limestone and dolomite at the upper part Variegated shale with minor bedded limestone, chert, siltstone intercalations

Bhalukona Quartz arenite / siltstone and minor shale Saripali Variegated shale with minor siltstone and limestone

Porcellanite, tuff / tuffite Rahikhol Feldspathic arenite, arkose and conglomerate at the

base

Unconformity

Basement Archaean and Lower Proterozoic rocks 3.1 Local Geology: Generally grey limestone are found on the northern part of the area followed by purple grey limestone and purple shale successively towards south and similarly the same sequence has been confirmed from borehole drilled during exploration. Thickness of limestone increases from SE towards NW direction in the direction of dip. The deposit is structurally undisturbed since having basin deposition. The local succession of the area is as under: Soil (alluvial) Dolomite Grey Limestone Chandi Limestone formation




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Purple - Grey Limestone Purple Limestone Purple Shale Gunderdehi Shale Major portion of the area is covered by lateritic soil with grayish clayey/sandy soil at some places with an average thickness of 1.35 m. Limestone is extremely fine grained, anhedral and occurs as massive, hard compact body. Colour of limestone generally has a close relationship with quality. It is observed that the grey limestone have higher CaO content and less MgO content than the underlying purple limestone which has the intercalation of purple shale in depth. 3.2 Prospecting/ exploration details: Total area granted for PL was 92.165 Ha and the area applied for ML was 71.449 Ha, but during the recommendation for mining lease, the area has been reduced to 64.815 Ha. A systematic geological investigation over the recommended lease area was conducted by LIPL. The geological investigations include topographic survey, geological mapping, diamond core drilling and surface sample analyses. Subsequent to the grant of the PL, LIPL formulated an exploration program for the PL area. The execution of the exploration campaign was carried out under supervision of LIPL. The exploration activities were carried out in two different phases in the years 2002-2003 and 2006, respectively. Initially, a thorough reconnaissance of the PL area was carried out, in order to assess the potential area to start with the prospecting operations and exploration restricted within recommended ML potential limestone-bearing area with no mining constraints. As stated earlier, the entire area is concealed beneath soil cover, hence the lithologies exposed in dug wells/ dug pits formed the basis for borehole planning and subsequent exploration activities. Total of 30 vertical core boreholes were drilled with a total meterage of 940 m in the applied lease area. The summary of exploration activities carried out by LIPL during geological exploration campaign is given in the table below:

Exploration Activity Quantum of work No. of Core Boreholes 30 nos. Grid pattern 150 m x 150 m Total meterage 940 m Sample analysis for 8 radicals (CaO, MgO, SiO2, Al2O3, Fe2O3, Na2O, K2O and LOI) 495 nos.

3.2 The Geological Resources under G-1 level of Exploration:




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For Cement-grade Limestone

Cross-Section

Line

Sectional Area

Area of influence

Volume B.D. Tonnage

(sqm) (m) (cum) (Tonnes) C1 – C1’ 4,650 210 9,76,500 2.5 24,41,250 C2 – C2’ 1,930 150 2,89,500 2.5 7,23,750 C3 – C3’ 7,550 150 11,32,500 2.5 28,31,250 C4 – C4’ 2,170 150 3,25,500 2.5 8,13,750 C5 – C5’ 2,050 150 3,07,500 2.5 7,68,750 C6 – C6’ 9,130 150 13,69,500 2.5 34,23,750 C7 – C7’ 10,470 150 15,70,500 2.5 39,26,250 C8 – C8’ 6,420 150 9,63,000 2.5 24,07,500 C9 – C9’ 0 -- 0 2.5 0

C10 – C10’ 0 -- 0 2.5 0 Total -- -- 69,34,500 2.5 173,36,250 For Blendable-grade Limestone

Cross-Section

Line

Sectional Area

Area of influence

Volume B.D. Tonnage

(sqm) (m) (cum) (Tonnes) C1 – C1’ 1,000 210 2,10,000 2.5 5,25,000 C2 – C2’ 580 150 87,000 2.5 2,17,500 C3 – C3’ 1,450 150 2,17,500 2.5 5,43,750 C4 – C4’ 2,890 150 433,500 2.5 10,83,750 C5 – C5’ 1,340 150 2,01,000 2.5 5,02,500 C6 – C6’ 2,860 150 4,29,000 2.5 10,72,500 C7 – C7’ 1,080 150 1,62,000 2.5 4,05,000 C8 – C8’ 1,500 150 2,25,000 2.5 5,62,500 C9 – C9’ 0 -- 0 2.5 0

C10 – C10’ 0 -- 0 2.5 0 Total -- -- 1965000 2.5 49,12,500




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For Sub-grade Limestone

Cross-Section

Line

Sectional Area

Area of influence

Volume B.D. Tonnage

(sqm) (m) (cum) (Tonnes) C1 – C1’ 400 210 84,000 2.5 2,10,000 C2 – C2’ 1,420 150 2,13,000 2.5 5,32,500 C3 – C3’ 2,880 150 4,32,000 2.5 10,80,000 C4 – C4’ 430 150 64,500 2.5 1,61,250 C5 – C5’ 0 150 0 2.5 0 C6 – C6’ 0 150 0 2.5 0 C7 – C7’ 0 150 0 2.5 0 C8 – C8’ 1040 150 1,56,000 2.5 3,90,000 C9 – C9’ 0 150 0 2.5 0

C10 – C10’ 0 165 0 2.5 0 Total -- -- 9,49,500 2.5 23,73,750 3.3 The Geological Resources under G-2 level of Exploration: Out of the G-1 level of exploration, some part of the lease area is more than 150 m from drilled boreholes, these areas have been considered under G-2 level of exploration. The estimation of limestone resources in these areas are as under: For Cement-grade Limestone

Cross-Section

Line

Sectional Area

Area of influence

Volume B.D. Tonnage

(sqm) (m) (cum) (Tonnes) C1 – C1’ 0 0 0 2.5 0 C2 – C2’ 900 150 1,35,000 2.5 3,37,500 C3 – C3’ 0 0 0 2.5 0 C4 – C4’ 0 0 0 2.5 0 C5 – C5’ 4,220 150 6,33,000 2.5 15,82,500 C6 – C6’ 0 0 0 2.5 0 C7 – C7’ 0 0 0 2.5 0 C8 – C8’ 0 150 0 2.5 0 C9 – C9’ 2,780 150 4,17,000 2.5 10,42,500

C10 – C10’ 5,360 165 8,84,400 2.5 22,11,000 Total -- -- 20,69,400 2.5 51,73,500




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For Blendable-grade Limestone

Cross-Section

Line

Sectional Area

Area of influence

Volume B.D. Tonnage

(sqm) (m) (cum) (Tonnes) C1 – C1’ 0 0 0 2.5 0 C2 – C2’ 2,330 150 3,49,500 2.5 8,73,750 C3 – C3’ 0 0 0 2.5 0 C4 – C4’ 0 0 0 2.5 0 C5 – C5’ 2,460 150 3,69,000 2.5 9,22,500 C6 – C6’ 0 0 0 2.5 0 C7 – C7’ 0 0 0 2.5 0 C8 – C8’ 0 150 0 2.5 0 C9 – C9’ 960 150 1,44,000 2.5 3,60,000

C10 – C10’ 850 165 1,40,250 2.5 3,50,625 Total -- -- 10,02,750 2.5 25,06,875 For Sub-grade Limestone

Cross-Section

Line

Sectional Area

Area of influence

Volume B.D. Tonnage

(sqm) (m) (cum) (Tonnes) C1 – C1’ 0 0 0 2.5 0 C2 – C2’ 0 150 0 2.5 0 C3 – C3’ 0 0 0 2.5 0 C4 – C4’ 0 0 0 2.5 0 C5 – C5’ 0 150 0 2.5 0 C6 – C6’ 0 0 0 2.5 0 C7 – C7’ 0 0 0 2.5 0 C8 – C8’ 0 150 0 2.5 0 C9 – C9’ 0 150 0 2.5 0

C10 – C10’ 1,630 165 2,68,950 2.5 6,72,375 Total -- -- 2,68,950 2.5 6,72,375




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3.4 Total Mineral Resources of Limestone: S. No. Particulars Resources of

limestone (tonnes)

Net Resources considering

90% recovery (tonnes)

Measured Mineral Resources (331) 1 Cement grade limestone 173,36,250 156,02,625 2 Blendable grade limestone 49,12,500 44,21,250 3 Sub grade limestone 23,73,750 21,36,375 Total 246,22,500 221,60,250 Indicated Mineral Resources (332)

4 Cement grade limestone 51,73,500 46,56,150 5 Blendable grade limestone 25,06,875 22,56,188 6 Sub grade limestone 6,72,375 6,05,138 Total 83,52,750 75,17,476

G. Total 329,75,250 296,77,726

3.5 Mineral Reserves/ Resources as per Geological axis of UNFC:

The total resources of limestone are as under:

Level of exploration Area covered (Ha)

Resources (Tonnes)

Average grade CaO MgO

G -1, detailed exploration 42.266 221,60,250 Mini 34% Max. 4%

G -2 General exploration 22.549 75,17,476 Mini 34% Max. 4%

G -3 prospecting -- -- -- --

Total 64.815 296,77,726 Mini 34% Max. 4%

Feasibility Axis of UNFC:

After the estimation of Measured Mineral Resources (331) as above, an exercise has been done to bifurcate the Measured Mineral Resources under Probable Mineral Reserves – UNFC Code (121) for the mineable part of the mineral resources which fall under the Ultimate Pit Limit (UPL) and is above the threshold value having +34% CaO content and above after conducting a Feasibility Study and Economic Viability of the project; and under Pre-Feasibility Mineral Resources – UNFC Code (221) for the remaining part of the resources which either fall outside the UPL within the statutory barrier becoming non mineable.




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Before exercising the above mentioned bifurcation a Pre-Feasibility Study has been done as per the parameters provided as guidelines in the Mineral Evidence Rule 2015 and circulars issued by the IBM as the density of exploration done in the area confirms the UNFC norms and allows to carry out Feasibility Study which correspondence to the Feasibility Axis (F-2).

Feasibility / prefeasibility considerations for blocked mineral resources in barrier zones, benches, non-mineable part etc. indifferent categories is summarised below: Blocked due to statutory barrier: Blocked in 7.5 m barrier in lease boundary Blocked due to UPL: Blocked due to stripping limit of 8 m. Blocked due to safety barrier: Blocked due to railway line and electric line.

Estimation of Blocked resources for G-1 category:

Estimation of Blocked resources within the 7.5 m of non-mining zone:


Cross-Section

Line

Sectional Area

Area of influence

Volume B.D. Tonnage

(sqm) (m) (cum) (Tonnes)

C1 – C1’ 150 210 31,500 2.5 78,750

C2 – C2’ 70 150 10,500 2.5 26,250

C3 – C3’ 310 150 46,500 2.5 1,16,250

C4 – C4’ 680 150 1,02,000 2.5 2,55,000

C5 – C5’ 0 150 0 2.5 0

C6 – C6’ 130 150 19,500 2.5 48,750

C7 – C7’ 107 150 16,050 2.5 40,125

C8 – C8’ 180 150 27,000 2.5 67,500

C9 – C9’ 0 -- 0 2.5 0

C10 – C10’ 0 -- 0 2.5 0

Total -- -- 2,53,050 2.5 6,32,625


Cross-Section

Line

Sectional Area

Area of influence

Volume B.D. Tonnage




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C1 – C1’ 60 210 12,600 2.5 31,500

C2 – C2’ 100 150 15,000 2.5 37,500

C3 – C3’ 50 150 7,500 2.5 18,750

C4 – C4’ 730 150 1,09,500 2.5 2,73,750

C5 – C5’ 0 150 0 2.5 0

C6 – C6’ 0 150 0 2.5 0

C7 – C7’ 0 150 0 2.5 0

C8 – C8’ 130 150 19,500 2.5 48,750

C9 – C9’ 0 -- 0 2.5 0

C10 – C10’ 0 -- 0 2.5 0

Total -- -- 1,64,100 2.5 4,10,250

Estimation of Blocked resources due to pit slope:


Cross-Section

Line

Sectional Area

Area of influence

Volume B.D. Tonnage


C1 – C1’ 80 210 16,800 2.5 42,000

C2 – C2’ 10 150 1,500 2.5 3,750

C3 – C3’ 550 150 82,500 2.5 2,06,250

C4 – C4’ 390 150 58,500 2.5 1,46,250

C5 – C5’ 0 150 0 2.5 0

C6 – C6’ 300 150 45,000 2.5 1,12,500

C7 – C7’ 300 150 45,000 2.5 1,12,500

C8 – C8’ 90 150 13,500 2.5 33,750

C9 – C9’ 0 150 0 2.5 0

C10 – C10’ 0 165 0 2.5 0

Total -- -- 2,62,800 2.5 6,57,000




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Cross-Section

Line

Sectional Area

Area of influence

Volume B.D. Tonnage


C1 – C1’ 50 210 10,500 2.5 26,250 C2 – C2’ 80 150 12,000 2.5 30,000 C3 – C3’ 40 150 6,000 2.5 15,000 C4 – C4’ 700 150 1,05,000 2.5 2,62,500 C5 – C5’ 0 150 0 2.5 0 C6 – C6’ 70 150 10,500 2.5 26,250 C7 – C7’ 0 150 0 2.5 0 C8 – C8’ 140 150 21,000 2.5 52,500 C9 – C9’ 0 150 0 2.5 0

C10 – C10’ 0 165 0 2.5 0 Total -- -- 1,65,000 2.5 4,12,500

The resources blocked out within the statutory barriers from Railway & electric line.


Cross-Section Line

Sectional Area

Area of influence

Volume B.D. Tonnage


C1 – C1’ 0 210 0 2.5 0

C2 – C2’ 0 150 0 2.5 0

C3 – C3’ 1,100 150 1,65,000 2.5 4,12,500

C4 – C4’ 0 150 0 2.5 0

C5 – C5’ 2,050 150 3,07,500 2.5 7,68,750

C6 – C6’ 1,550 150 2,32,500 2.5 5,81,250

C7 – C7’ 2,720 150 4,08,000 2.5 10,20,000

C8 – C8’ 0 150 0 2.5 0

C9 – C9’ 0 150 0 2.5 0




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C10 – C10’ 0 165 0 2.5 0

Total -- -- 11,13,000 2.5 27,82,500


Cross-Section Line

Sectional Area

Area of influence

Volume B.D. Tonnage


C1 – C1’ 0 210 0 2.5 0

C2 – C2’ 0 150 0 2.5 0

C3 – C3’ 660 150 99,000 2.5 2,47,500

C4 – C4’ 0 150 0 2.5 0

C5 – C5’ 1340 150 2,01,000 2.5 5,02,500

C6 – C6’ 670 150 1,00,500 2.5 2,51,250

C7 – C7’ 0 150 0 2.5 0

C8 – C8’ 0 150 0 2.5 0

C9 – C9’ 0 150 0 2.5 0

C10 – C10’ 0 165 0 2.5 0

Total -- -- 4,00,500 2.5 10,01,250

Estimation of Blocked resources for G-2 category:

Estimation of Blocked resources within the 7.5 m of non-mining zone:


Cross-Section Line

Sectional Area

Area of influence

Volume B.D. Tonnage


C1 – C1’ 0 0 0 2.5 0

C2 – C2’ 35 150 5,250 2.5 13,125

C3 – C3’ 0 0 0 2.5 0

C4 – C4’ 0 0 0 2.5 0

C5 – C5’ 1,000 150 1,50,000 2.5 3,75,000

C6 – C6’ 0 0 0 2.5 0




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C7 – C7’ 0 0 0 2.5 0

C8 – C8’ 0 150 0 2.5 0

C9 – C9’ 200 150 30,000 2.5 75,000

C10 – C10’ 280 165 46,200 2.5 1,15,500

Total -- -- 2,31,450 2.5 5,78,625


Cross-Section Line

Sectional Area

Area of influence

Volume B.D. Tonnage


C1 – C1’ 0 0 0 2.5 0

C2 – C2’ 90 150 13,500 2.5 33,750

C3 – C3’ 0 150 0 2.5 0

C4 – C4’ 0 0 0 2.5 0

C5 – C5’ 580 150 87,000 2.5 2,17,500

C6 – C6’ 0 0 0 2.5 0

C7 – C7’ 0 0 0 2.5 0

C8 – C8’ 0 150 0 2.5 0

C9 – C9’ 60 150 9,000 2.5 22,500

C10 – C10’ 70 165 11,550 2.5 28,875

Total -- -- 1,21,050 2.5 3,02,625

Estimation of Blocked resources due to pit slope:


Cross-Section Line

Sectional Area

Area of influence

Volume B.D. Tonnage


C1 – C1’ 0 0 0 2.5 0

C2 – C2’ 10 150 1,500 2.5 3,750

C3 – C3’ 0 0 0 2.5 0

C4 – C4’ 0 0 0 2.5 0

C5 – C5’ 200 150 30,000 2.5 75,000




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C6 – C6’ 0 0 0 2.5 0

C7 – C7’ 0 0 0 2.5 0

C8 – C8’ 0 0 0 2.5 0

C9 – C9’ 100 150 15,000 2.5 37,500

C10 – C10’ 170 165 28,050 2.5 70,125

Total -- -- 74,550 2.5 1,86,375


Cross-Section Line

Sectional Area

Area of influence

Volume B.D. Tonnage


C1 – C1’ 0 0 0 2.5 0

C2 – C2’ 140 150 21,000 2.5 52,500

C3 – C3’ 0 0 0 2.5 0

C4 – C4’ 0 0 0 2.5 0

C5 – C5’ 340 150 51,000 2.5 1,27,500

C6 – C6’ 0 0 0 2.5 0

C7 – C7’ 0 0 0 2.5 0

C8 – C8’ 0 150 0 2.5 0

C9 – C9’ 50 150 7,500 2.5 18,750

C10 – C10’ 130 165 21,450 2.5 53,625

Total -- -- 1,00,950 2.5 2,52,375

The resources blocked out within the statutory barriers from Railway & electric line.


Cross-Section Line

Sectional Area

Area of influence

Volume B.D. Tonnage


C1 – C1’ 0 0 0 2.5 0

C2 – C2’ 345 150 51,750 2.5 1,29,375




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C3 – C3’ 0 0 0 2.5 0

C4 – C4’ 0 0 0 2.5 0

C5 – C5’ 0 150 0 2.5 0

C6 – C6’ 0 0 0 2.5 0

C7 – C7’ 0 0 0 2.5 0

C8 – C8’ 0 0 0 2.5 0

C9 – C9’ 0 150 0 2.5 0

C10 – C10’ 0 165 0 2.5 0

Total -- -- 51750 2.5 1,29,375


Cross-Section Line

Sectional Area

Area of influence

Volume B.D. Tonnage


C1 – C1’ 0 0 0 2.5 0

C2 – C2’ 890 150 1,33,500 2.5 3,33,750

C3 – C3’ 0 150 0 2.5 0

C4 – C4’ 0 0 0 2.5 0

C5 – C5’ 0 150 0 2.5 0

C6 – C6’ 0 0 0 2.5 0

C7 – C7’ 0 0 0 2.5 0

C8 – C8’ 0 150 0 2.5 0

C9 – C9’ 0 150 0 2.5 0

C10 – C10’ 0 165 0 2.5 0

Total -- -- 1,33,500 2.5 3,33,750




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Blocked out Mineral Resources of Limestone:

S. No.

Particulars within the 7.5 m of

non-mining

zone (tonnes)

due to pit slope

(tonnes)

Within influence

area of road and railway

(tonnes)

Total blocked

out resources (tonnes)

Net resources

Blocked out considering

90% recovery (tonnes)

Pre-Feasibility Mineral Resources (221)

1 Cement grade limestone

6,32,625 6,57,000 27,82,500 40,72,125 36,64,913

2 Blendable grade limestone

4,10,250 4,12,500 10,01,250 18,24,000 16,41,600

Total 10,42,875 10,69,500 37,83,750 58,96,125 53,06,513


1 Cement grade limestone

5,78,625 1,86,375 1,29,375 8,94,375 8,04,938

2 Blendable grade limestone

3,02,625 2,52,375 3,33,750 8,88,750 7,99,875

Total 8,81,250 4,38,750 4,63,125 17,83,125 16,04,813

Summary of blocked Mineral reserve /resources from in different category:

Blocked out Mineral Resources of Limestone: S.

No. Particulars within the 7.5 m of non-mining

zone, due to pit slope and Within influence area of railway and

electrical lines (tonnes)


1 Cement grade limestone 36,64,913

2 Blendable grade limestone 16,41,600

Total 53,06,513


1 Cement grade limestone 8,04,938

2 Blendable grade limestone 7,99,875

Total 16,04,813




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Grand Total 69,11,326

Out of these, the sub-grade mineral will also be considered as blocked out Mineral Resources, due to below the cut-off grade for cement grade limestone. This will be stacked separately for future use.

Thus, the total Mineral Reserves / Resources of Limestone for G-1 level:

S. No. Particulars Resources of limestone

(tonnes)

Blocked out resources (tonnes)

Mineable Reserve (tonnes)

1 Cement grade limestone 156,02,625 36,64,913 119,37,712

2 Blendable grade limestone 44,21,250 16,41,600 27,79,650

3 Total 200,23,875 53,06,513 147,17,362

4 Sub-grade 21,36,375 -- --

Thus, the total Mineral Reserves / Resources of Limestone for G-2 level:

S. No. Particulars Resources of limestone

(tonnes)

Blocked out resources (tonnes)

Mineable Reserve (tonnes)

1 Cement grade limestone 46,56,150 8,04,938 38,51,212

2 Blendable grade limestone 22,56,188 7,99,875 14,56,313

3 Total 69,12,338 16,04,813 53,07,525

4 Sub-grade 6,05,138 -- --

Economical axis details as per UNFC:

The deposit has been explored in a square grid of 150 m and reserve has been established under proven category. The mine will be a captive mine and catering to the need of limestone to plant for manufacturing cement on a constant basis since inception. For mining the limestone from

S. No. Sub grade limestone Blocked out due to below cut-off grade

(tonnes) 1 Pre-Feasibility Mineral Resources (221) 21,36,375

2 Pre-Feasibility Mineral Resources (222) 6,05,138

Total 27,41,513




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captive quarry in a systematic manner an approved mining plan, subsequently reviewed through schemes has been in place. The reserve established meets the threshold of manufacturing the cement as prescribed under NCCBM Norms. On the basis of the detailed exploration (G-1) done over the entire lease area, Mining Plan has been prepared, having enough experience specific and end use grade of reserves and specific knowledge of forest/non-forest and other land use data, the economic viability of the mining project has been proved beyond doubt and thus the mineable part of the mineral resources which fall under the Ultimate Pit Limit (UPL) and is above the threshold value and as bifurcated correspond to the Economic Axis (E-1) and the remaining resources as bifurcated above falling outside UPL that is falling within the statutory barrier correspond to the Economic Axis (E-2). As per the Pre-Feasibility Study done, cost of limestone production will be 250/- which is comparable being incurred by existing cement plants in the region which being operated probability in the region. Hence, operating the mining lease is economically viable. Thus, considering the entire above points/aspects as per the Guideline issued by Govt. of India, Ministry of Mines, Indian Bureau of Mines, the Feasibility Axis is comes considered as E-1. Total estimated mineral reserves /resource in different categories of UNFC are given below:

Classification Code Quantity (tonnes)

Geological Grade

A. Mineral Reserve

(1) Proved Mineral Reserve 111 --- -- (2) Probable Mineral Reserve 121 147,17,362 +38% CaO (3) Probable Mineral Reserve 122 53,07,525 +38% CaO

B. Remaining Resources

(1) Feasibility Mineral Resources 211 --- (2) Prefeasibility Mineral Resources (due to blocked out) 221 53,06,513 +38% CaO

(2) Prefeasibility Mineral Resources (sub-grade) 221 21,36,375 34-38% CaO

(3) Prefeasibility Mineral Resources (due to blocked out) 222 16,04,813 +38% CaO

(3) Prefeasibility Mineral Resources (sub-grade) 222 6,05,138 34-38% CaO

(4) Measured Mineral Resources 331 --- -- (5) Indicated Mineral Resources 332 --- -- (6) Inferred Mineral Resources 333 --- -- (7) Reconnaissance Mineral Resources 334 --- --

Total Mineral Resources (A+B) 296,77,726 --




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3.6 ANALYSIS OF ALTERNATIVE It is necessary that one should try to find various alternatives and what is environmentally best being preferred. There can be many points for which alternatives must be found. This is attempted here, irrespective of whether scoping has asked so or not. This is done voluntarily and submitted herein below. Alternatives: A number of decisions are required to be taken and for each step. Selection is thus all the more critical in an industrial development where time, economic cost, environment and natural resources are at stake. Site alternatives: No alternate site has been considered for the project The limestone mine is located at Raseda, Tehsil Balodabazar & District is Balodabazar-Bhatapara in Chhattisgarh State. The site is well approachable No endangered species are found in the proposed site. Easy availability of manpower in nearby villages. On this examination, the present site was selected for the proposed lease area. The site indeed has served the purpose well resulting in minimal impact on environment. 3.7 Magnitude of operation Due to various activities of mining operations, like drilling, blasting, loading and transportation, emission of some amount of noxious gases are likely to be generated. All existing dust control measures will be taken like wet drilling, water spraying on haul roads and on blasted mass and plantation of trees along 7.5 m of non-mining zone and hence, the air quality will likely be well within prescribed limits. During closure circumstances Arising in future, existing pit will be properly fenced in all directions. A watchman during day and night will be posted at site to prevent unauthorized entry inside. The area is not at all used by general public 4.0 Method of Mining The company is having cement plant of 3.5 MTPA clinker capacity in village Sonadih, for this 5.5 million tonnes of limestone will be required, out of which about 1.0 million tonnes of limestone will be fulfilled from this mine. There will be four limestone mines of the company in this area and the production rate of




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limestone will depend upon production of limestone from all the mines of the company. The mine will be designed and the deposit will be exploited with minimum damage to environment and optimum utilization of limestone for captive use in the Cement Plant. The salient features of mine design will be as under: (i) The overburden is in the form of top soil cover, murrum, yellow soil and clayey material of variable thickness. The overburden will be removed by dozer, and loaded by excavator into dumpers and transported to the temporary stock-yard on the northeastern side of the lease. This material will be utilized for plantation within the non-mining zone. (ii) The major part of the area, the top surface level varies from 250 – 242 m. Therefore, from mining point of view, a level of 250 m has been taken for making the lower benches of 8 m each and, the accordingly the bench-wise reserve has been estimated from + 250 mRL. From second bench onwards, the height of the bench will be of 8 m, namely 250 – 242 m, 242 – 234 m, 234 – 226 m, 226 – 218 m and 218 – 210 m. The working will be carried out in 3 shifts with staggered roaster manpower deployment in 350 days in a year. iii). In the narrowing zones, the bench height will be reduced to 3 to 6 m. iv). Limestone is bedded deposit, massive & compact in nature, hence, the ultimate pit slope of 500 will be quite stable. For a bench of 8 m height, floor width of 6 m will be maintained. Presently, the working width will be maintained at about 20 m. The rain-water and seepage water collected in the pit will be stored in the lower benches and will be used for spraying on the haul-roads andfor plantation. The floor of the working faces will be kept slightly sloping to facilitate flow of water towards the sump during the rainy season to keep the working faces dry. v). For blasting, 104 mm dia and 8 m (+0.5 m perihole) will be drilled with compressed-air-operated wagon drills. The blasting will be done by ANFO/SME/Slurry as column charge and slurry /cast booster explosive as booster charge. Controlled blasting will be practiced by using Nonel detonators. Hydraulic rock breaker will be used for breaking oversized boulders in place of secondary blasting. Hydraulic excavator of 3.5 cum capacity will be used in combination with 35 tonner dumpers for loading and transportation of limestone. The limestone ROM will be directly transported to the cement plant after crushing and screening (if required). The haul distance from mine site to crusher is about 3 to 5 km.




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For the purpose of grade control, samples will be drawn from each blast/blast holes and will be analysed for its grade. The requirement for making clinker, the average chemical composition of limestone should be maintained is as under: CaO% 42 ± 2 MgO% 3± 1 SiO2% 10± 2

The limestone occurring in this area has been divided into four different categories so that the required feed to the cement plant is achieved by proper blending at the crushing plant, so that the graded quality is achieved on day to day basis.

Classification CaO % MgO% Cement grade limestone (CGL) +42 Max 4 Blendable limestone (BLST) 38 – 42 Max 4 Sub-grade limestone (SUB) 34 - 38 Max 4

The sub-grade of limestone produced from the mine will be separately stacked and processed by suitably blending as per requirement. The blending ratio will vary according to parameters of raw mix from time to time. The Staker – Reclaimer and Raw-Mills operations will be governed by Production and Quality Control department of the Cement Plant, which will also co-ordinate with Mine Management to dispatch particular quality of crushed limestone as may be required, so that the Raw-Mix design suits the required parameters i.e. LSF, SM and AM, etc. (i) All efforts will be made considering eco-friendly mining in the area. For this, dense plantation will be done all around the lease area in the non-mining zone to improve aesthetic beauty and for development of green belt. (ii) During the first five years, the working will be carried out in the Block-A only. (iii) The mining loss during the mining of limestone is expected as about 10% of the total ROM due to intercalations, fractures, clay pockets, voids, cavities, etc. (iv) Out of this, 5% will be considered as waste/intercalations and kept separately and remaining 5% will be due to voids and cavities. This will be temporary stocked within the lease area and utilized for road maintenance from time to time.




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4.1 The Proposed development by removal of OB for first five years is tabulated as under:

Year Working level

(mRL)

Av Face

length (m)

Av Face

width (m)

Area

(sqm)

Average thickness of OB

(m)

Volume

(cu m)

Location

I YEAR 244-242.3 203 73 14,900 1.7 25,330 Block-A

II YEAR 244-242.3 270 87 23,600 1.7 40,120 Block- A

III YEAR

244-238.4 337 193 64,900 5.6 3,63,440 Block- A

IV YEAR 244-242.9 337 69 23,300 1.1 25,630 Block- A

V YEAR 244-242.9 365 41 15,000 1.1 16,500 Block- A

Total -- -- -- 1,41,700 -- 4,71,020 --

During the first five years, about 14.17 Ha area will be developed as pit. The tentative excavation program of first five years is as under:

Year Pit no

Volume of OB

(Lateritic Murrum)

Total ROM

Net Volume

90% of the ROM

Volume of side burden/

inter burden/rejec

t /waste (10% of the

ROM)

Total OB + waste

(cum) (cum) (cum) (cum) (cum) (1) (2) (3) (4) (5) (6) (7 = 3+6)

I YEAR 1 25,330 88,200 79,380 8,820 34,150 II

YEAR 1 40,120 1,78,260 1,60,434 17,826 57,946

III YEAR

1 363,440 2,62,320 2,36,088 26,232 389,672

IV YEAR

1 25,630 3,53,320 3,17,988 35,332 60,962

V YEAR

1 16,500 4,40,050 3,96,045 44,005 60,505

Total -- 4,71,020 13,22,150 11,89,935 1,32,215 6,03,235

Note: The tentative tonnage of the ore may be arrived by computing approximate bulk density and recovery factor as these data are variable and may be established on time series.




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First Year Proposed production of the Limestone:

Year Working level

(mRL)

Area to be excavated

(sqm)

Bench height

(m)

ROM Volume (cu m)

Net Volume 90% of

the ROM (cu m)

B.D Tonnage (T)

Location

I Bench 242.3-236 14000 6.3 88200 79380 2.5 198450 Block A

Second Year Proposed production of the Limestone:

Year Working level

(mRL)


(sqm)

Bench height

(m)

ROM Volume (cu m)

Net Volume 90% of

the ROM (cu m)

B.D Tonnage (T)

Location

I Bench 242.3-236 22200 6.3 1,39,860 1,25,874 2.5 3,14,685 Block A

II Bench 236-228 4800 8 38,400 34,560 2.5 86,400 Block A Total -- -- -- 1,78,260 1,60,434 -- 4,01,085 --

Third Year Proposed production of the Limestone:

Year Working level

(mRL)


(sqm)

Bench height

(m)

ROM Volume (cu m)

Net Volume 90% of

the ROM (cu m)

B.D Tonnage (T)

Location

I Bench 242.3-236 59,300 2.4 1,42,320 1,28,088 2.5 3,20,220 Block A

II Bench 236-228 15,000 8 1,20,000 1,08,000 2.5 2,70,000 Block A

Total -- -- -- 262,320 2,36,088 -- 5,90,220 -- Fourth Year Proposed production of the Limestone:

Year Working level

(mRL)


(sqm)

Bench height

(m)

ROM Volume (cu m)

Net Volume 90% of

the ROM (cu m)

B.D Tonnage (T)

Location

I Bench 242.9-236 22,800 6.9 1,57,320 1,41,588 2.5 3,53,970 Block A

II Bench 236-228 20,000 8 1,60,000 1,44,000 2.5 3,60,000 Block A




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III Bench 228-224 9,000 4 36,000 32,400 2.5 81,000 Block A

Total -- -- -- 3,53,320 3,17,988 -- 7,94,970 -- Fifth Year Proposed production of the Limestone:

Year Working level

(mRL)


(sqm)

Bench height

(m)

ROM Volume (cu m)

Net Volume 90% of

the ROM (cu m)

B.D Tonnage (T)

Location

I Bench 242.9-236 14,500 6.9 1,00,050 90,045 2.5 2,25,113 Block A

II Bench 236-228 27,500 8 2,20,000 1,98,000 2.5 4,95,000 Block A III

Bench 228-224 30,000 4 1,20,000 1,08,000 2.5 2,70,000 Block A

Total -- -- -- 4,40,050 3,96,045 -- 9,90,113 -- 4.2 YEARWISE DEVELOPMENT PROPOSAL Year-wise Development Proposal:

Year Pit no

Volume of OB

(Lateritic Murrum)

Volume of side burden/ inter burden/reject

/waste (10% of the ROM)

Total OB + waste

Total OB + waste (B.D. = 2.0)

(cum) (cum) (cum) (T) (1) (2) (3) (4) (5 = 3+4) (6)

I YEAR 1 25,330 8,820 34,150 68,300 II

YEAR 1 40,120 17,826 57,946 1,15,892

III YEAR

1 363,440 26,232 389,672 7,79,344

IV YEAR

1 25,630 35,332 60,962 1,21,924

V YEAR

1 16,500 44,005 60,505 1,21,010

Total -- 4,71,020 1,32,215 6,03,235 12,06,470




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Year-wise Production Proposal:

Year Pit no

Total ROM (cum)

Volume of Limestone

(90% of ROM) (cum)

Volume of Reject/waste

(10% of the ROM) (cum)

Mineral (tonnes)

(1) (2) (3) (4) (5) (7) I YEAR 1 88,200 79,380 8,820 1,98,450

II YEAR

1 1,78,260 1,60,434 17,826 4,01,085

III YEAR

1 2,62,320 2,36,088 26,232 5,90,220

IV YEAR

1 3,53,320 3,17,988 35,332 7,94,970

V YEAR

1 4,40,050 3,96,045 44,005 9,90,113

Total -- 13,22,150 11,89,935 1,32,215 29,74,838

Year-wise Development & Production:

Year Ore (tonnes)

Total OB / waste (cum)

Ore To OB Ratio t /cum

(1) (2) (3) (4)=(3)/(2) I YEAR 1,98,450 34,150 1 : 0.17 II YEAR 4,01,085 57,946 1 : 0.14 III YEAR 5,90,220 389,672 1 : 0.66 IV YEAR 7,94,970 60,962 1 : 0.08 V YEAR 9,90,113 60,505 1 : 0.06

Year-wise Production:

Year Ore In Tonnes insitu

Ore In Tonnes

from dump working

Total ore production in

tonnes

Remark

(1) (2) (3) (4) (5) I 1,98,450 0 1,98,450

No stock/dump has been maintained.

II 4,01,085 0 4,01,085 III 5,90,220 0 5,90,220 IV 7,94,970 0 7,94,970




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Year Ore In Tonnes insitu

Ore In Tonnes

from dump working

Total ore production in

tonnes

Remark

(1) (2) (3) (4) (5) V 9,90,113 0 9,90,113

4.3 Proposed method of working The method of mining will be open cast mechanized method under category ‘A’ by using DTH drills for drilling and sub-sequent blasting as described earlier.

i) Method of mining This mine will be fully mechanized and under category ‘A’ mine as per MCDR 1988 and the limestone will be extracted through opencast mining.

ii) Bench parameters Mining activity will be concentrated in two pits with four production benches and one development bench of variable height. Bench parameters of the mine are given in section 7.1.

iii) Bench height in OB/ore

The height of OB bench varies from 0-7 m. The height of benches in Limestone will be 8 m and the bottom most bench will be of about 6 m height.

iv) Bench width Minimum bench width would be kept as 8 m from the faces at the end of ultimate pit limit and working bench width as per stipulation of DGMS.

v) Bench slope 800 vi) Over all pit slope Below 450 vii) Bottom mRL

proposed during plan period

224 mRL

viii) Grid reference of proposed working location

N 1400 to N 1800, E 1300 to E 1650

4.4 Blasting: During the blasting, all Rules, Regulations and Precautionary and safety measures will be taken. The blasting area will be covered by red flags at appropriate safety distance. Operators and workers will be removed to safety distance and blasting will be conducted by a qualified /certified blaster. Broad Blasting Parameters is as under: The blasting will be carried out in three-row blasting pattern.




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The blasting will be carried out during the lunch break (1 to 1.30 PM). Siren will be blown before blasting in addition to posting of guards with red flags at strategic points to ensure that all persons take adequate shelter and to prevent unauthorized entry. Preferably wet drilling will be carried out for suppressing dust and muffle blasting for suppression of noise. Ground vibration will be kept under control by optimum charge per delay and controlled blasting technique. Spacing to Burden ratio (1.2 : 1.5) will as per Broad Blasting Parameters. Stemming length will be kept one third of the hole. The inclination of blast-holes will be kept towards free face to avoid air-blast. The area to be drilled / blasted will be clear of loose fragments to avoid fly rocks. Increasing no. of delay per blast reduces charge weight / delay thereby reducing vibration level; only multi-second delay detonators will be used. Site mixed Emulsion will be used 90 – 95% of the total charge as it is considered as safe and economical. Existing operating mines is also using. All precautions for blasting and safety measures will be taken at the time of blasting and will be carried out by qualified/certified blaster. During blasting, the safety zone will be barricaded by red flags so that unauthorized entry in the blasting zone is checked. All safety measures as stipulated in MMR 1961 and Indian Explosive Rule 2008 will be strictly adhered to during blasting. Broad blasting parameters like charge per hole, blasting pattern, charge per delay, maximum number of holes blasted in a round, manner and sequence of firing, etc.




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Blasting parameter will be as under: Following blasting parameters are recommended for achieving the required production for the Cement Plant. Drilling is proposed to be done by DTH drill.

1 Diameter of the hole 104 mm 2 Diameter of the cartridge 83 mm 3 Length of the cartridge 400 mm 4 Depth of the hole 8.0 m 5 Sub-drilling to avoid toe formation 0.5-1.0 m 6 Burden 4.0 m 7 Spacing 5.5 m 8 No. of row 3.0 9 Stemming column 2.5 m

10 Output per hole = Spacing × Burden × depth 5.5 × 4.0 × 8.0 = 176 176 cum

11 Output per hole = 176 x 2.5 = 440 T 440 T 12 Production per annum 10,00,000 T = 4,00,000 cum 4,00,000 cum 13 Total handling per day (300 working day) 1,333 cum 14 Nos. of holes per day (1,333 / 176 = 7.57) Say 8 nos. 15 Meterage required (8 × 8.5 = 68) 68 m 16 Charge per hole 75 kg 17 Explosive consumption / day (75 x 8 holes = 600) 600 kg 18 Powder factor (440 T / 75 kg = 5.8) 5.8 T/ kg 19 Type of initiation = multi second detonators 20 Sequence of blasting = Cord relay with electric detonators / Nonel 21 Details of the drilling 22 Per hour output of 104 mm dia drill 16 m/hr 23 Working shift 2 24 Working hours per day (0.85 availability & utilization factor) 13 hours 25 Per day output of a drill ( 16 x 13 = 208 m) 208 m 26 Hence no of 104 dia drill machine required (68 / 208 = 0.32) Say 1 no.

4.5 Drilling machineries:

S. No.

Type Nos. Dia of hole (mm)

Make Motive power

H.P.

1 ICM 260 1 104 IR Diesel 250 2 DH 150 1 104 SANDWIK Diesel

4.6 Explosive requirement for overburden removal: Since, the OB is lateritic murum, being soft in nature and will be directly removed by excavator/Dozer, hence no drilling required.




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Explosive requirement for ore zone:

i) Total ROM proposed to be handled in cum/annum (x) 4,00,000 cum ii) ROM proposed to be handled in cum / day y = x/300 days 1333.33 cum iii) Drilling pattern in ROM zone (Spacing * Burden* depth ) 176 cum iv) Yield per holes in ROM Zone cum= z 440 T v) No of holes required to be blasted per day = y/z 3.03 nos. vi) Frequency of blasting in a week - 2 nos. vii) Maximum number of holes blasted in a round. 20 nos. viii) Charge per hole (kg) 75 kg ix) Charge per round (Kg) 1,500 kg x) Explosive requirement per month for ROM zone blasting 12,000 kg xi) Total explosive requirement per month 12,000 kg

Explosive to be used: (i) Ordinary detonator/ Delay detonator (ii) Site mixed Emulsion /Ammonium Nitrate/ Large dias explosive (iii) Safety fuse The powder factor for ore is about 5.8 T/kg. No secondary drilled will be required, oversize boulders of size ranging more than 1.2 m generated from the primary blasting is being broken by 20 T class Rock Breaker to avoid the environmental nuisance of secondary blasting. 4.7 Storage of explosive Explosive van of 1 MT capacity will be used for transportation of explosive. Details of the type and capacity of Magazine are as below.

S. No

Name and Description Class & Division

Sub-Division (if

any)

Quantity at any one time

1 Nitrate Mixture – Slurry and emulsion explosives.

2,0 0 4500 kg

2 Cast Booster 3,2 0 500 kg 3 Detonators 6,3 0 20000 nos. 4 Detonating Fuse 6,2 0 50000 m 5 Safety Fuse 6,1 0 5000 m

4.8 Excavation: Drilling and blasting will be carried out for the excavation of the ore. Blasted material will be loaded by 3.5 cum capacity hydraulic excavator of Komatsu make (Model PC 800-8R).




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Loading: The loading of ROM into dumpers will be carried out by loader/Excavator.

A. Total maximum handling of ore & waste 4,40,000 + 16,500 = 4,56,550 cm B. Per day handling of ore & waste assuming 350 working days in a year (A/350) = 4,56,550 / 350 = 1,304.4

Say 1,304 cm

C. Per shift handling (3 shift working) 1,304 / 3 = 434.66 Say 435 cm D. Working hours for one loading equipment/shift 6.5 E. Expected Output / hour of one loading machine (3.5 m3 bucket capacity) considering the availability and utilization factors of 85%

100 cm

F. Output from one excavator in a shift (E x D) 1170 cm G. Hence no of loading machine required (C/F) 0.37 (SAY 1)

List of loading equipment required

Sl. no.

Type Nos. Bucket capacity

(m3)

Make Motive power

H.P.

1. Hydraulic excavator

1 3.5 TELCO (EX600 V)

Diesel 272

2. Pay loader 1 3.1 H .M. Diesel 218 4.9 Transportation: The transportation of ROM to the crushing and screening (if required) plant will be carried out by the dumpers of 35 T capacity.

Calculation for Transportation equipment

A. Total handling of ore & waste 4,56,550 m3 B. Per day handling of ore & waste assuming 350 working days in a year (A/350) = 4,56,550 / 350 = 1,304.4

Say 1,304 m3

C. Per shift handling (3 shift working) 435 m3 D. Working hours for one dumper/shift 6.5 E. Expected Output / hour of one dumper (35 tonner) considering the availability and utilization factors of 70% and increased hauling distance upto about 3 to 5 km

45 m3

F. Output of one dumper in m3 in a shift 200 G. Requirement of nos of dumper (C/F= 435 / 200 = 2.175) Say 3 nos.

List of Transporting equipment required:

S. No.

Type Nos. Size/ capacity

Make Motive power

H.P.

1 HAUL PAK

3 35 MT BEML Diesel 380 EACH

Extent of mechanization: calculation for adequacy and type of machinery and equipment proposed to be used in different activities of drilling, material handling in development,




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surface transportation and any other operation. Salient features of Mining: Since, the mine will be open-cast “Fully Mechanized”. The requirement of mining machineries has been calculated to handle the optimum production of 10 lakh tonnes of limestone annually. The equipments / machineries required for mining and allied operations related to Mining are as under:

Name Nos Type/ make /Capacity

Purpose Motive Power

1 DTH /wagon drill

1 ICM 260/ IR /104 mm

For drilling limestone bed Diesel Engine

2 DTH /wagon drill

1 DH 150 / 104 mm

For drilling limestone bed Diesel Engine

3 Hydraulic Excavators

1 TELCO (EX600 V) / 3.5 cum bucket capa.

For loading OB and excavation of limestone and loading the same into dumpers

Diesel Engine

4 Pay Loader 1 H .M. / 3.1 cum

buck capa. For loading OB and excavation of limestone and loading

Diesel Engine

5 Dumpers 3 HAUL PAK /

BEML/35 T For transportation of limestone to C & S plant

Diesel Engine

6 Dozer 1 -- For dozing of OB Diesel Engine

7 Hydraulic rock breaker

1 -- For reduction of oversized boulders

Diesel Engine

8 Water Tanker 2 10,000 liters For sprinkling of on quarry road and blasted mass

Diesel Engine

9 Water pump 2 75 HP For dewatering the working pit during the rainy season

Electrical pumps

10 Explosive van and Jeep

1+1 -- For transporting the explosive and supervision

Diesel Engine

The layout of mine workings, pit road layout of faces and sites for disposal of overburden/ waste alongwith ground preparation prior to disposal of waste, reject etc. Bench Height – The top bench will have a floor level of 250 mRL with variable height, thereafter, the bench height of 8.0 m will be maintained, which is suitable for 3.5 cu m bucket capacity excavator. The soil/OB available over the deposit will be scraped with dozer. Bench Width – For a bench of 8 m, working width of 15 m will be required to accommodate for easy movement of HEMM equipments, dumpers and blasted material. As per MMR & Circulars of DGMS, the width of the benches should not be less than: (a) Width of the widest machine playing on the bench plus 2 m extra.




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OR (b) If the dumpers ply on the bench, 3 time the width of the dumpers. OR (c) Not less than the height of the bench. Bench Alignment – In this area, the grade variation is along the strike, therefore, it has been decided to open the benches along the strike-direction for production of all grades of limestone, so that suitable blending can be done as required. Face length – The face length is selected in such a way that it could produce desired quality of limestone without any interruption. Thus, the planning of designed pit, the face length of exposed limestone will be more than 100 m for each bench. Two faces will be maintained for proper deployment of machineries for day to day grade control. Road – (a) An adequate net work of roads will be maintained for transportation of limestone from face to crusher site. For free movement of vehicles (dumpers), it is proposed to have one way traffic on all haul roads. (b) For two-way traffic, the haul roads will be preferably be at least 3 times, plus 5 meters, the width of dumpers, thus the width of the road will be maintained at 17 m. (c) As per statute, the gradient of ramps should not exceed 1 : 16. In this planning, all ramps have been designed with a gradient of 1 : 20, however, a small stretch of 10 m length after the ramp will be kept level for easy movement of dumpers before another ramp starts to join the next bench below. (d) A minimum turning radius of 10 m on inner side is proposed for roads at turning points. Adequate super elevation will be provided at the curves for safe turning of dumpers. (e) All the haul roads will be constructed with water bound macadam and water spraying will be done regularly to minimize generation of air-borne dust during movement of vehicles. Year-wise Development Proposal:

Year Pit no

Volume of OB (Lateritic Murrum)

Volume of side burden/ inter burden/reject

/waste (10% of the ROM)

Total OB + waste

(cum) (cum) (cum) (1) (2) (3) (4) (5 = 3+4)

I YEAR 1 25,330 8,820 34,150 II

YEAR 1 40,120 17,826 57,946

III YEAR

1 363,440 26,232 389,672




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IV YEAR

1 25,630 35,332 60,962

V YEAR

1 16,500 44,005 60,505

Total -- 4,71,020 1,32,215 6,03,235 Anticipated Life of Mine The mineable reserves of limestone is 147,17,362 + 53,07,525 = 200,24,887 tonnes (say 20.02 million tonnes) and proposed maximum production rate is about 10 lakh tonnes per annum. But, during the first five years the tentative proposed will be 2974838 T and thereafter annual production rate will be 10 lakh TPA will continue, thus, the anticipated life of the mine will be (200,24,887 – 29,74,838 = 170,50,049/10,00,000 = 17) about 22 years including first five years. Land use for per five years breakup.

Description

Area in Hectares Present End of

5 years

End of 10

years

End of 15

years

End of 20

years

Upto life of the mine

1 Area under Pit 0 14.17 30.00 40.00 53.50 53.50 2 Area under roads 0 1.00 2.00 2.00 0 0 3 Area under infrastructure 0 0.100 0.100 0.100 0.100 0.100 4 Area under Top soil stack 0 0.500 0.500 0.500 0 0 5 Area under OB /waste Dump 0 6. 636 8.000 0 0 0 6 Area under Crusher 0 0 0 0 0 0 7 Area under Plantation 0 4.60 11.00 11.00 11.00 11.00 8 Total Nil 27.00

6 51.60 53.60 64.60 64.60

Upto conceptual period, the ultimate pit area will be about 53.50 Ha upto a level of 214 mRL. Ultimate pit limit: At the end of life total mined out area will be 53.50 Ha upto a level of 214 mRL. 5.0 Waste disposal: During the first five years, the quantity generated of OB/waste will be 603,235 cum and the area covered for generated OB /waste dump will be about 6.636 Ha. Generation of OB/ waste and their management as per five years breakup.

Description First 5 year

Second 5 year

Third 5 year

fourth 5 year

Last 2 year

1 generation of OB/waste

6,03,235 cum

22,500 cum

22,500 cum 22,500 cum 22,500 cum

2 Area for dumping 6.636 Ha 8.000 Ha 0 0 0 3 Covering by grass- 6.636 Ha 8.000 Ha 0 0 0




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shrubs These dumps will be covered by deep rooted grass, shrubs and other species and protected by retaining wall & garland drain. Note: After the 8th year, the some of the pit will be exhausted, hence the generated OB /waste will be backfilled in mined out land. 6.0 Afforestation: During the plan period, about 4.60 Ha area will be covered by plantation, @ 2,000 saplings per hectares. Karanj, Khamar, Akesia, Gulmohar, Sal, Mango, Jamun, Amrud, etc, are the common species which are planted. The Year-wise afforestation will be as under:

Year Area for afforestation

(Ha)

Nos. of saplings

(Nos.)

I Year 1.00 2,000 II Year 1.00 2,000 III Year 1.00 2,000 IV Year 1.00 2,000 V Year 0.60 1,200 Total 4.60 9,200

During the first five years, entire available area within the 7.5 m of barrier zone will be covered by plantation. Thereafter, the area blocked due to electric line and railway track will be covered by green belt. 7.0 Reclamation and Rehabilitation: Land degradation is one of the major adverse impacts of open-cast mining activities and any effort to control adverse impacts would be incomplete without appropriate land reclamation strategy. After the exhaustion of entire mineable limestone, part of mined out pit will be backfilled by generated OB/waste and remaining mined out pit will be converted in to water tank for utilization in for irrigation purpose. The water reservoir will be properly fenced by barbed wire or a bund will be constructed outside the water reservoir during the closure of the mine.




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Post mining land use conceptualized.

Description Area in Hectares Present Additional

area required during this plan period

End of the 5 year

End of the conceptual period

1 Area under Pit 0 14.17 14.17 53.50 2 Area under roads 0 1.00 1.00 0 3 Area under infrastructure 0 0.100 0.100 0.10 4 Area under Top soil stack 0 0.500 0.500 0 5 Area under OB/waste Dump 0 6.636 6.636 0 6 Area under Crusher 0 0 0 0 7 Area under Plantation 0 4.60 4.60 11.00 8 Total 0 27.006 27.006 64.60

8.0 MINE DRAINAGE Minimum and maximum depth of water table based on observations from nearby wells and water bodies. The ground water level monitored around the applied area was found to be in the range of 30 - 35 m, which corroborates from the finding of adjacent existing mines. The limestone is hard, compact and massive in nature and devoid of any secondary porosity like joint, fissures etc. to have potential ground water occurrence. Adjacent mining operation has reached up to a depth of 32 m and ground water has not yet encountered. Workings are expected to be done up to average 20 m depth from surface level which is above from the water table. Regionally in the area, the source of surface water is Shivnath River. The HFL of the Shivnath River is 237 mRL. The River is about 2.0 km from the northern part of the lease area, Hence, there will be no encroachment of surface water in the mine. The rain water accumulated during the rainy season will be pumped out through proper arrangement of water pumps. The Shivnath River flows from north to south and suddenly takes turn near the northern boundary of the existing lease of the company which is about 2.0 km from this applied lease area and flows towards ESE direction. The River Shivnath and its tributaries viz Khorsi Nala and Jamuniya nala control drainage of the area. Various streams originate from this and forms a network to join this nala, which finally flows in SW-NE direction and meets the river Shivnath exhibiting dendritic pattern in the most of the area. Beloda branch of the Mahanadi canal enters the area from SSW part of the lease area and passes towards northern part distributing water to the villages in its course. All the seasonal




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nalas flow into the Shivnath River. In the lease area, the terrain is almost flat with gentle slope towards northern direction, almost the entire lease area is covered with soil and limestone is out cropping at few places. The mining by opencast method will be worked throughout the year and hence effective arrangements for drainage during entire year for seepage water and rain water, hence provisions for adequate dewatering arrangements in the mining pits so as to keep the working floor free from water accumulation. In open cast pit, water reaches the working faces due to following reasons. From surface run off rain water, sub-surface and seepage. By direct precipitation over workings during rainy season. These can be controlled by: (i) Preventing surface run-off water from entering the active working pit. The water should either be diverted to temporarily standby/unused pit to serve as a water reservoir. (ii) Pumping of percolated and direct precipitated water from the pit to temporarily un-used pit/low lying area of the pit as a water conservation measure and to use it for dust suppression and plantation. Annual Rain fall: The average annual rain-fall in the area is about 900 mm which comes to be 22.5 mm/day considering 40 rainy days in a year. For calculating pump capacity, it has been assumed that the average quantity of rain water collected in the pit during one day will be handled during the same day within 8 hours. Pumping load: The mine workings are proposed up to 30 m depth and up to end of life of mine. The mine benches will be aligned in such a manner that water always flows down to bottom most point and the main workings remain dry. The daily pumping load has been calculated from the approximate catchment area from which the water is likely to flow into the pit. The working’s are proposed in 41.33 Ha during the first five years planning. Therefore in the planning the catchment area has been considered 50 percent more than the area proposed to be used in mining in this planning, which comes to about 7.085 Ha or 70,850 sqm. Catchment Area = 70,850 sqm Pumping Load/day = 70,850 x 0.03 = 2,126 cum Hourly Load/day (8 hr. working) = 17,008 or say 17,000 cum Pumping capacity: The hourly pumping load has been calculated 17,000 cum. Therefore one pump of 5 HP capacity with 50 m head will be installed and one additional will be kept standby. Sump:




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A sump of 20 m x 20 m and 3 m deep will be made at suitable lower most point at the bottom bench for storage of precipitated water and installation of pump.

9.0 STACKING OF MINERAL REJECT/ SUB-GRADE MATERIAL AND DISPOSAL OF WASTE Generation of top soil /OB and interburden: The overburden in the area is consisting of top soil, murrum, yellow soil and clayey material and about 10% of the total ROM will be generated as intercalations. The removal of OB and generated waste for first five years is tabulated as under:

Year Pit no Soil/ Overburden

/Lateritic murum (cum)

Side burden/ inter

burden/reject /waste (10% of the ROM) (cum)

Total OB + waste (cum)

(1) (2) (3) (4) 5 = (3+4) I YEAR 1 25,330 8,820 34,150

II YEAR 1 40,120 17,826 57,946

III YEAR 1 363,440 26,232 389,672

IV YEAR 1 25,630 35,332 60,962

V YEAR 1 16,500 44,005 60,505

Total -- 471,020 132,215 603,235 Top soil: The thickness of fertile top soil will be 0.5 m only, this will be stacked separately and utilized for plantation, for this about 0.5 Ha area will be marked. OB/waste dumping: During the first five years, the OB/ waste will be temporary dumped on the northeastern side of the Block -A. The area required for dumping will be as under:

Year Volume of OB / waste

(cum)

Net volume considering

15% as swell factor

(cum)

Net volume considering bench-wise

(cum)

Height of the

dump (m)

Area required

for dumping

(sqm)

bench

I YEAR 34,150 39273 39273 2.5 15709 I bench

II YEAR 57,946 66638 66638 2.5 26655 I bench

III YEAR

389,672 448123

60000 2.5 24000 I bench

330000 6 55000 II bench

58123 4 14531 III bench

IV YEAR 60,962 70106 70106 4 17527 III bench




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V YEAR 60,505 69581 69581 4 17395 III bench

Total 603,235 18,27,914 18,27,914 12.5 m 66,364* --

Note: The OB and waste will be dumped within the lease area in 66,364 sqm or say 66,360 sqm (6.636 Ha) with 3 tiers. The OB and waste will be dumped within the lease area in 6.636 Ha with a maximum height of 12.5 m in 3 tiers. These dumps will be covered by deep rooted grass, shrubs and other species and protected by retaining wall & garland drain. USE OF MINERAL AND MINERAL REJECT The entire limestone mined out from this mine will be utilized in the lessee’s Cement Plant and this will be captive mine for the Plant which is installed about 2 km from the mine. The entire produced limestone will be captive consumption in the lessee’s Cement Plant.




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10. PROCESSING OF ROM AND MINERAL REJECT It is envisaged to transport crushed limestone directly to the cement Plant. During mining, if clay mixed limestone is generated, it is proposed to installed mobile screen inside the pit to ensure better utilization of the limestone. The Process flow chart for sizing and quality improving is given below.

JAW

HO

PP

RO

M

AR

RES

TVI

BR

ATI

CO

NE

DO

UB

LE

TRIP

PLE

SIN

GLE

+125

m

m

BC

-

BC

-

BC

-

BC

-

BC

-

BC

-

BC

-

BC

-

SET -1

60 m

m 1

27

+10-

30 m

m 7

4

-125

mm

73

+30-

50 m

m 7

1 TP

H

+50

mm

43

-50

mm

180

+50

mm

101

+50

+10-

+50

+30-

+50

-10

-10

-10

mm

55

10

Mat

eria

l Flo

w D

iagr

am o

f C

& S

Pla

nt




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11.0 Water Requirement: Water is required for mining operations/establishment mainly for sprinkling on haulage roads and at faces for suppression of dust. Water is also required for washing and servicing utilities for equipment. Water requirement for the proposed mining activity is about 8 m3/day. Dust Suppression : 10 KLPD Plantation: 5 KLPD Drinking/Domestic: 3 KLPD Miscellaneous: 2 KLPD Source: Bore well & Secondary Sources 12.0 PLANNING BRIEF The economic growth of the area in terms of employment generation, consumption behavior and market growth are expected outcome of the project. It is assumed that the generation of indirect employment would be multiple of direct employment. The significant positive impact on employment and occupation is envisaged on account of:

i. Better economic status of the community due to better earnings. ii. To be mindful of its social and moral responsibilities to consumers, employees,

shareholders, society and local community. The proposal will ensure the continuous limestone supply to the cement plant Project Proponent should do following:

i. To keep transparent relations with the neighbours in the area ii. To strengthen the Gram Panchayat democratic set up, by paying taxes. iii. To prevent wasting of rainwater and to recharge the groundwater. iv. To strengthen the physical infrastructure. v. To create greenery within the lease premises and develop green belt around the mine

lease area. vi. Plantation program outside to some Extent in villages.

13.0 PROPOSED INFRASTRUCTURE Site services: The following site services will be provided for the systematic and smooth running of mines: (i) Office Buildings: Office premises is already available for the existing mines (adjacent to this lease) and having enough rooms to house the office of the technical, administrative, general personnel's and technical & general office stores to run both the mine systematically and smoothly. (ii) Workshop: Suitable workshop with all necessary equipments and facilities are available for




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the existing mines and will be utilized for both the mines for maintenance and repair of all the mine machineries, equipment’s, vehicles and auxiliary machinery deployed for mining, and allied activities. (iii) Technical and general store: Technical and general office store is already available for the existing mines and maintained with all the requisite inventories of technical items/spares and stationery to support the work-shop and office activities quickly and effectively and efficiently for both the mines. (iv) Power supply: Power sub-station is already available with all necessary auxiliaries and enough supporting staff to meet out the power requirement of mine, office, workshop, stores and all other related allied activities in totality to run both the mines. (v) Water supply: An integrated water resource development and supply management system will be established which will evaluate the water resources availability from the open pit of the mine water (both ground water and rain water harvesting) and other ground water resource generation by digging tube wells etc., its proper storage in the sump made in the mine pit, over head tanks and its supply to the different consumption points through a well managed networking of pipe lines to meet out the water requirement of mine and all related allied activities including drinking water. (vi) Transportation: A self sustainable transport system of the company of its own is available consisting of transport vehicle to attend to the exigencies which will exclusively manage to transport the employees to bring them from one destination to the other destination will be required. (vii) Communication: Necessary facility of communication like telephones, telefax, mobile phones, and internet connectivity for sending/receiving E-mails are already available for running the office, mine and allied activities smoothly. (viii) Dak: Arrangements for the transportation of Dak to the nearest post office, company own administrative offices are available. Daks are transported timely and safely to the desired destinations. (ix) Storage of explosive: Licensed Explosive Magazine for the storage of explosive is already available for the existing mines (adjacent to this lease) and the same will be used for this mines also for the purpose of storage of explosives. (x) Safety and security: A full-fledged system of safety and security of the mine, office premises, stores, power and water works, explosive magazine and all others related with mining has been established and maintained which ensures safety and security of all above round the clock throughout the year. (xi) Vocational Training Centre (VTC): A vocational training center housed in the office premises with enough trained and experienced staff supported with all necessary equipments and facilities to conduct regular training programmers as and when required to impact training and awareness to all the personals of all disciplines (who require it) to update and improve their knowledge in their fields for discharging their duties efficiently and effectively. (xii) First aid and emergency services: A first aid center with all necessary equipments, accessories and medicines etc. will be provided within the mine premises. A trained and experienced staff of the medical discipline will be appointed. An ambulance or other suitable




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vehicle as an alternative will be put on service as and when required for transportation of affected person to the nearest hospital as the case may be. (xiii) Dispensary: A fully equipped dispensary with a qualified medical officer (Doctor) and compounder with all necessary medical facility are available in the colony. (xiv) Fuel Storage: All necessary infrastructure for storage of fuel (diesel) like fuel tanks etc. with enough capacity sufficient for attest 15 days will be kept for smooth running of all the machinery and ultimately to ensure regular and uninterrupted production achievement. xv) Canteen: Existing Canteen will serve the employees of all the mines. 14.0 CONCLUSION In any human activity there are always possibilities of finding various options. Project proponent has decided to examine and adopt one such option that will be both environment friendly and best suited for Limestone Production. Various alternatives in terms of site, technology, and equipment are considered. A final selection is thus arrived. The Proposal is for the environment clearance of the proposed Mine. The Project is viable.

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