Post on 01-Nov-2020
EMP Report For Colour Granite Mine of 2.00 Ha, located in Tekkali Village, Tekkali Mandal, Srikakulam District, Andhra Pradesh.
M/s FREEWORLD EXPORTS PVT LTD
Global Enviro Labs, Hyderabad 1
1. INTRODUCTION
1.1 INTRODUCTION
M/s. Free world Exports Pvt. Ltd was granted a transfer of Quarry Lease for colour
Granite in Survey number 53 of Tekkali village, and Mandal, Srikakulam District, A.P.
over an extent of 2.00 Ha. vide Proceedings No. 17300/R1-1/2008, dated 21-07-2008,
and the Transfer of Quarry lease deed was executed by AMDG, Tekkali, Vide
Proceedings No. 368/Q/2008, dated 02-08-2008 for the un-expired period of Quarry lease
i.e, upto 31-01-2028. Originally the lease was granted to M/s. Excellent Granites vide
DMG Proceedings No 31808/R.I1/2007 Dated 07-01-2008. Later the lease was
transferred in favour of M/s. Free world Exports Pvt. Ltd. A Mining Plan was approved
by Joint Director of Mines and Geology, Hyderabad, Vide letter No 753/MP-TKL/2013,
dated 28-09-2013.
M/s. Free world Exports Pvt. Ltd., has obtained Environmental Clearance from
State Environmental Impact Assessment Authority (SEIAA), A.P for a production
of 394 Cum/ Year of Colour Ganite vide order no: SEIAA/SKM-190/2015 Dated
03.02.2016 Over the months, keeping in view of the excellent quality and service, the
product enjoy very high reputation in domestic and international markets, the
management of M/s. Free world Exports Pvt. Ltd is proposed to enhance their
production capacity from 394 Cum/Year to 5286 Cum/year in their existing mine lease
area. The present proposal is submitted for 5286 Cum/year from the existing 2.00
Hectares of Mine lease area.
M/s. Free world Exports Pvt Ltd is conscious of its responsibility towards the society
in minimizing the pollution load due to this proposed activity and according to EIA
notification, 15th
January 2016 issued by MoEF, GOI, New Delhi for obtaining
Environmental Clearance from DEIAA, Srikakulam; the project proponents intends to
prepare an Environmental Management Plan for submission for grant of Environmental
Clearance for their proposed 2.00 Ha. Of Granite Mine Lease area.
EMP Report For Colour Granite Mine of 2.00 Ha, located in Tekkali Village, Tekkali Mandal, Srikakulam District, Andhra Pradesh.
M/s FREEWORLD EXPORTS PVT LTD
Global Enviro Labs, Hyderabad 2
Table – 1: SALIENT FEATURES OF THE STUDY AREA
Details of the Study Area
District & State Srikakulam, Andhra Pradesh
Mandal Tekkali
Village Tekkali
Nature of the Area Govt. Revenue Land
Latitude 18o37’25.7” N
Longitude 84o13’35.4” E
General Climatic Conditions
Maximum Temperature 40oC
Minimum Temperature 15oC
Annual Rainfall 1000 mm
Wind Pattern SW to NE
Accessibility
Road Connectivity A B.T. road of 2.2 km length is
connecting to the area from Tekkali
Rail Connectivity The nearest Railway station is located at
Tekkali, at a distance of 2.2 km from the
applied area
Air Port Vishakapatnam 160 km
Nearest Village Anjanapuram village 1.1 km from ML
area
Historical / Important Places
Archaeologically Important Site Nil within the study area
Historically Important Site Nil within the study area
Sensitive Places Nil within the study area
Sanctuaries / National Parks Nil within the study area
Nearest Forest Pedda Kedar R.F. 1.5 km N
Polavaram R.F. 6.8 km SW
Nearest Water Body Water body (S)-0.5 Km
Gotta Barriage Left Main Canal-0.6 Km
and few streams and water bodies are
there outside of the ML area
Figure 1 shows the 10 km radius of the study area around the proposed Mine Lease area.
EMP Report For Colour Granite Mine of 2.00 Ha, located in Tekkali Village, Tekkali Mandal, Srikakulam District, Andhra Pradesh.
M/s FREEWORLD EXPORTS PVT LTD
Global Enviro Labs, Hyderabad 3
EMP Report For Colour Granite Mine of 2.00 Ha, located in Tekkali Village, Tekkali Mandal, Srikakulam District, Andhra Pradesh.
M/s FREEWORLD EXPORTS PVT LTD
Global Enviro Labs, Hyderabad 4
2. PROJECT DESCRIPTION
2.1 THE PROJECT
The project of M/s. Freeworld Exports Pvt Ltd is presently producing 394 Cum/Year of
Colour Granite. Now the Lessee is proposed to enhance their production capacity from
394 Cum/Year to 5286 Cum/Year in their existing mine lease area of 2.00 Ha located in
Sy. No. 53, of Tekkali village, Tekkali Mandal, Srikakulam District of Andhra Pradesh..
The method of working shall be by Semi-Mechanised opencast working of quarrying by
using jack hammer drilling & cutting by Wire Saw & no blasting is required.
The lease area is at the intersection of 18o37’25.7” North latitudes and 84
o13’35.4” East
longitudes. The area is located at a distance of 2.5 km from Tekkali.
2.2 NEED FOR THE PROJECT
In order to meet the statutory requirements the lessee intends to obtain Environmental
Clearance from Statutory Authorities.
2.3 TOPOGRAPHY
The quarry lease applied area is located on a hill steeply sloping due south with an
average relief of 40 M. Vegetation is developed in between the joints and soil areas. The
quarry leased area is a part of hill raised 40 M above ground level within the quarry lease
area with topo relief in south direction. The lowest contour is 100 M and highest contour
is 140 M in topo plan.
2.4 GEOLOGY
2.4.1 Regional Geology
The Eastern Ghat Mobile Belt (EGMB) is more than 600 Km in Length from Srikakulam
in the North to Ongole in the South. This belt is more than 100 Km in width in Northern
part and tapers down to less than 20 Km in the South, it has brad actuate trend with west
ward convexity. The NNE – SSW trend in the southern part of the belt changes NE – SW
in the North. EGMB is divided into 3 longitudinal zones viz.
1. Western – Charnocklitic Zone
2. Central-Khondalite Zone
EMP Report For Colour Granite Mine of 2.00 Ha, located in Tekkali Village, Tekkali Mandal, Srikakulam District, Andhra Pradesh.
M/s FREEWORLD EXPORTS PVT LTD
Global Enviro Labs, Hyderabad 5
3. Eastern – Migmatite Zone
While in the Northern parts in Srikakulam, Vizianagaram & Vishakapatnam Districts the
central Khondalite Zone occupies major part of the area. Whereas Western Charnockite
Zone occurs in the Southern part. The rocks in this belt are represented High Grade
Granulite facies of Metamorphism and suffered by complex deformation. The
stratigraphic succession of EGMB is as follows:
INTRUSIVES Layered Anorthisites and associated Mafics and
Chromiferrous Ultra Mafics
CHARNOCKITE GROUP Charnockites with Mega Crystic K-Feldspar
Charnockite Two Pyroxene Granulite /
Amphibolies
KHONDALITE GROUP Calc – Sillicate – Granulites
Garnet – Silliminite – Quartz – Biotite –
K.Feldspar – Graphite Gneiss (Khondalite)
Quartzite – Garnet – Silliminite
GRANITOID SUITE Granitoid with Mega Crystic K-Feldspar Un-
Differenciated (with Migmatitic Dia Tectite,
Augen) Perforoblastic Granite and Gneisses.
Garnet – Biotite Homophanus Granite / Gneiss
Leptinite, Local Charnockite Neosomes and Relics
In Srikakulam district the EGMB is represented by vide range of litho units Viz:
Charnockites, Khondalites, Two Pyroxene Granulites, Migmatites, Leptinites and
Intrusive Porphyroblastic Charnockites. Large enclaves of Acid Charnockites,
Khondalites and Meta-Basic rocks occur within Migmatites, which are largely seen in the
area lying between R. Vamsadhara and Coast line
2.4.2 Geology of the area
The Migmatites and Migmatised Charnockite deposits are commercially known as
“Srikakulam Blue”. The Migmatite essentially consists of Blue Quartz and Bluish Grey
to Light Grey Feldspar with accessory minerals like Hypersthene, Horneblends and
Biotite. The rock displays Wavy Banding, Ptygmatic folding of Bands, Paleosom –
Mesosom – Leucosom and Minimal Lineation. A number of parallel slips trending N-S,
NNW-SSE and NNE-SSW cut across the Wavy Banding, Pinching and Displacing the
Bandings, which imparts additional beauty to the stone besides its Blue Colour. The
arrested enclaves of Charnockite (Locally known as Oil Patches) and healed hairline
EMP Report For Colour Granite Mine of 2.00 Ha, located in Tekkali Village, Tekkali Mandal, Srikakulam District, Andhra Pradesh.
M/s FREEWORLD EXPORTS PVT LTD
Global Enviro Labs, Hyderabad 6
fractures (Known as White and Coloured Lines) cutting across the wavy banding are
considered defects.
Three sets of joints :
1. N – S
2. E – W
3. Sheet / Horizontal Joints
Local Geology:
The Srikakulam blue granite quarrying at present in restricted to two broad sectors – (i)
Narasannapeta – Polaki and (ii) Tekkali – Jargangi – Jalamuru – Saravakota – Bonth
occupying about 100 sq. km. during the present survey two more deposits, one each of
Lavender blue and Dark blue varieities of Srikakulam blue granite are brought to light
near Kottapalle and Lingalavalasa, respectively. A sizeable reserve of possible category
has been estimated.
The rock is medium grained, grayish white to grayish blue in colour and exhibits
gneissosity. It is composed, essentially of blue quartz, plagioclase, K-Feldspar (Perthite),
enstatie, hypersthenes, garnet, biotite and accessory amounts of Zircon, rutile and iron
oxides.
The rock displays wavy patterns and ptygmatic folding, which impart eye catching
designs. Depending on intensity of blue colour, design and geographic location, the
Srikakulam blue granite is marketed under different trade names, such as, Lavender blue,
Mayur blue, dark blue, peacock blue, vizag blue etc.
2.5 GEOLOGICAL RESERVES :
Method of Estimation of Reserves:
The deposit is found to be irregular in shape. Hence cross sectional method adopted for
Estimation of Geological Reserves. 3cross section A-A1 to C-C1 was drawn at equal
distance perpendicular to the strike direction of the formation to estimate the reserves
The cross sections were drawn perpendicular to the strike direction, the cross sectional
area of the individual sections are calculated to arrive at sectional area, the area thus
EMP Report For Colour Granite Mine of 2.00 Ha, located in Tekkali Village, Tekkali Mandal, Srikakulam District, Andhra Pradesh.
M/s FREEWORLD EXPORTS PVT LTD
Global Enviro Labs, Hyderabad 7
arrived is multiplied by the sectional influence of 44 M (average) to arrive the volume of
colour Granite.
RESERVES (As per the Approved Mining Plan 2013)
Granite Reserves in Proved zone = 41,490 x 15% = 6,223 m3
Granite Reserves in Probable zone = 8,400 x 15% = 1,260 m3
Granite Reserves in Possible zone = 9,276 x 15% = 1,391 m3
59,166 m3 8,874 m
3
Mineable Reserves and Life of the Mine as previous approved mining plan:
S.No Description Quantity in Cum
1 Total Mineable Reserves 8743
2 Reserves blocked in the 7.5 m buffer zone 2034
3 Reserves blocked in mine Benches 1985
4 Mineral already dispatched 249
5 Total (2 + 3 + 4) = 4268 cum
5 Net Mineable Balance Reserves = [1 – (2+3+4) ] 4475
Life of the Mine as per previous approved mining plan: =
Total Minable reserves – Already recovered/ Actual anticipated annual production
= 4475 /394 M3 = 11.35 or 12 years
Additional Reserves established (as per present Approved Mining Scheme):
Total Geological Reserves
Sections Category
& UNFC
Code
Sectional
Area (m3)
Sectional
Influence
(m)
Volume
(m3)
Recovery of
@ 20%
A-A1
Proved
(111)
5,033.00 58.00 2,91,914.00 58,382.80
Probable 2,047.00 58.00 1,18,726.00 23,745.20
B-B1
Proved
(111)
4,597.00 44.00 2,02,268.00 40,453.60
Probable 2,045.00 44.00 89,980.00 17,996.00
C-C1
Proved
(111)
3,939.00 44.00 1,73,316.00 34,663.20
Probable 2,032.00 44.00 89,408.00 17,881.60
Total 9,65,612.00 1,93,122.40
EMP Report For Colour Granite Mine of 2.00 Ha, located in Tekkali Village, Tekkali Mandal, Srikakulam District, Andhra Pradesh.
M/s FREEWORLD EXPORTS PVT LTD
Global Enviro Labs, Hyderabad 8
Reserves in UNFC CODE
S.No. Category of Reserves Reserves in m3 Reserves in
Million M3
1 Proved 6,67,498.00 0.667
2 Probable 2,98,114.00 0.298
3 Possible Nil Nil
Reserves blocked under 7.5M buffer zone
Sections Category &
UNFC Code
Sectional
Area (m3)
Sectional
Influence
(m)
Volume
(m3)
A-A1
Proved (111) 755.00 58.00 43,790.00
Probable 266.00 58.00 15,428.00
B-B1
Proved (111) 622.00 44.00 27,368.00
Probable 266.00 44.00 11,704.00
C-C1
Proved (111) 533.00 44.00 23,452.00
Probable 266.00 44.00 11,704.00
Total 1,33,446.00
Reserves blocked under Safety Slopes
Sections Category &
UNFC Code
Sectional
Area (m3)
Sectional
Influence
(m)
Volume
(m3)
A-A1
Proved (111) 755.00 58.00 43,790.00
Probable 266.00 58.00 15,428.00
B-B1
Proved (111) 622.00 44.00 27,368.00
Probable 266.00 44.00 11,704.00
C-C1
Proved (111) 533.00 44.00 23,452.00
Probable 266.00 44.00 11,704.00
Total 1,33,446.00
Total Mineable Reserves: Considering the recovery of the dimensional stones from the
quarry is less than 20% and as the boulders exposed from the bottom of the existing pits
exhibit better quality when compared to the excavated boulders, conservative estimation
is made with 20% recovery.
S.No Total geological reserves (M3) (m3)
1 Geological reserves Proved 6,67,498.00
9,65,612.00 Probable 2,98,114.00
2 Reserves blocked in the 7.5 m buffer Proved 94,610.00
EMP Report For Colour Granite Mine of 2.00 Ha, located in Tekkali Village, Tekkali Mandal, Srikakulam District, Andhra Pradesh.
M/s FREEWORLD EXPORTS PVT LTD
Global Enviro Labs, Hyderabad 9
zone Probable 38,836.00 1,33,446.00
3 Reserves blocked under safety slopes Proved 92,184.00
1,81,824.00 Probable 89,640.00
4 Total reserves blocked (B+C) Proved 1,86,794.00
3,15,270.00 Probable 1,28,476.00
5. Reserves available for quarrying (A-
(B+C)
Proved 4,80,704.00
6,50,342.00 Probable 1,69,638.00
Recovery (Proved)
@20% Recovery = 96,140.800 M3
Life of the Mine = 96,140.80 M3 / 3,883.20 M
3
= 24.76 years
Recovery (Probable)
@20% Recovery = 33,927.60 M3
Life of the Mine = 33,927 M3 / 3,883.20 M
3
= 8.74 years Proved + Probable = 33.50 or 34.00 Years
Life of the Mine (Proved) = 96140.80 Cum/5286 (max) cum/year-18.1 or 18 Years.
2.6 MINING
Open Cast Mining: The Colour Granite in the quarry lease area is exposed on the
surface with boulders. Hence, it is proposed to mine the boulders / sheet by open cast,
semi-mechanized methods, by developing the benches of 6M height in 2 phases of 3 m
each. Wire Saw cutting will be deployed based on the favourable conditions. The
development of benches in the sheet rock will be maintained @ 60o safety slopes.
The separation of blocks from the mother rock will be carried out by drilling wedge
cutting excavation will be done by the machinery.
The secondary splitting , dressing of blocks will be done manually.
Therefore, mining operations are to be carried out in this area in 2 stages.
1) Development
2) Production
EMP Report For Colour Granite Mine of 2.00 Ha, located in Tekkali Village, Tekkali Mandal, Srikakulam District, Andhra Pradesh.
M/s FREEWORLD EXPORTS PVT LTD
Global Enviro Labs, Hyderabad 10
Stage- 1
The removal of weathered and under sized boulders will be cleared in the quarry lease
area for the next five years by using excavator.
The sheet that is exposed will be subjected to drilling and splitting from mother rock.
Rock splitting / Wedging :
Thus 20’ x 20’ to 40’ x 20’ to 40’ mass will be separated from mother rock by drilling the
slotter holes on both sides of the mass and a top hole interesting these two holes and wire
saw rope is passed through and cutting is done horizontally and vertically and by this
there will be mass opening on all the sides from the mother mass.
Stage-2
After removal of weathered and under sized boulders.
The large boulders will be subjected to splitting into required sizes of blocks
by using Jack Hammers by drilling series of deep holes at right angles at
regular intervals, later by inserting feather and wedges in these holes and
hammering with sledge hammer will release the blocks.
The boulders will be splited to the required sizes with drilling and if required
by using chemical compound at the source only. The boulders separated will
be brought to the dressing yard for dressing.
If the boulders, which fit into the required market grade size will be
transformed into cuboids.
Secondary Splitting :
After separation from the mother rock, it is properly checked by washing with water to
identify defects and cracks. Based on this observation, the size is decided and the blocks
are marked and separated by drilling and wedging.
The separated pieces will be examined for defects and lines, then the block or blocks are
marked in clear area and holes are drilled along the line of marking , with the help of
feathers and wedges the waste portions are separated forming a rectangular blocks. Any
bulges will be removed by drilling and wedging making it perfect blocks. A perfect block
is that all the sides shall make with each other 900.
EMP Report For Colour Granite Mine of 2.00 Ha, located in Tekkali Village, Tekkali Mandal, Srikakulam District, Andhra Pradesh.
M/s FREEWORLD EXPORTS PVT LTD
Global Enviro Labs, Hyderabad 11
Dressing :
After primary separation the rock mass will be carefully examined to avoid hairline
cracks, mineral segreations and veins etc. the dressing of the rough blocks will be made
by chipping the edges and geometrically equating the edges of the blocks at the dressing
yard. The rough blocks obtained after primary cut it will be dressed for obtaining good
geometric shape of coloured granite.
Dressing of dimensional rough blocks for export:
Dressing is the final phase of mining operation werein the secondary rough blocks are
squared into regular perfect rectangular sizes, thereby avoiding uneven bulge or cavities
and other defects. Jackhammers with compressor, feather and wedges and
sledgehammers are the equipment generally used for dressing the block.
Drilling & Blasting:
a) Drill holes of 9 M depth will be drilled in single row with spacing of less
then 0.3 M and burden of 1.6 M or more shall be maintained uniformly.
This arrangement will yield rock size of 3 M x 2 M cross section. A
bench height of 6.0 M will be tackled in two steps.
Drilling Parameters:
Drill hole Diameter 32 mm up to 9 M Long
Depth and inclination of Drill hole: Generally drilled vertically in an alignment, however
in primary cutting in the absence of sheet joints to develop bottom level horizontal holes
also be drilled.
Explosive Type: Not Applicable (Not permission for storing the blasting material will be
granted by the district Administration). The applicant proposes to use AGFRACT
Chemical compound whenever required.
Extent of Mechanization:
Compressor 3 No.
Drilling Machine 1 No.
Jack Hammers 9 No’s.
Excavator 2 No
EMP Report For Colour Granite Mine of 2.00 Ha, located in Tekkali Village, Tekkali Mandal, Srikakulam District, Andhra Pradesh.
M/s FREEWORLD EXPORTS PVT LTD
Global Enviro Labs, Hyderabad 12
Tipper 4 No
Tractor with Water Tanker 1 No’s.
Jeep 1 No
Wire saw machine 1 No
2.7 MINERAL PROCESSING
The Lessee intends to export and as well as sell the raw blocks for the processing units in
the country. The lessee does not possess a processing plant at the moment.
2.8 SITE SERVICES
The rest shelter cum office, First aid room, and toilets will be constructed in the area. The
roof will be of asbestos sheets covered by hay to keep it cool in summer. A first aid
certificate holder will be the in charge of the first aid room. Protected drinking water will
be provided and stored in earthen pots.
2.9 EMPLOYMENT POTENTIAL
The mining activity will provide the job facilities to the local people. It will have 1 Mines
Manager, skilled & unskilled labour about 42 persons.
EMP Report For Colour Granite Mine of 2.00 Ha, located in Tekkali Village, Tekkali Mandal, Srikakulam District, Andhra Pradesh.
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3. EVALUATION OF IMPACTS
3.1 INTRODUCTION
Opencast mining activity causes some adverse impacts on the surround environment
unless proper environmental management plan is adopted. Selecting suitable sites for
mining and adopting the guidelines prescribed by the Ministry of Environment & Forests
(MoEF) and Indian Bureau of Mines (IBM), one can minimize the major possible
impacts.
In this chapter, an attempt has been made to quantify the possible environmental impacts
on various features such as air, water, noise, land, ecology and socio-economies. The
following aspects have been studied to identify the possible impacts while achieving the
total production of 5286 Cum/Year of Colour Granite.
The magnitude and significance of the environmental pollution caused by mining
depends on method of mining, scale and concentration of mining activity.
3.2 AIR ENVIRONMENT
The impacts on air environment from a mining activity depend on various factors like
production capacity, machinery involved, operations and maintenance of various
equipments and vehicle. Apart from these, there will be other activities associated viz
transportation of mineral and waste, stocking facilities and dump management within the
mine lease area that may contribute to pollution.
3.2.1 SOURCES OF DUST EMISSION
Mining is carried out by open cast semi mechanized method by using jack hammer
drilling & wire saw cutting. Based on the various operations involved in the production
of minerals, the various emission sources has been identified as given below.
a. Point sources
b. Area sources.
c. Line sources.
EMP Report For Colour Granite Mine of 2.00 Ha, located in Tekkali Village, Tekkali Mandal, Srikakulam District, Andhra Pradesh.
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Drilling operations of the mine are considered as point sources. Extraction of mineral
from mine, are considered as area sources. Transportation of material from mining
benches to various end points are considered as line sources. The impact of above sources
on air environment is discussed below:
a) Drilling
One the boulder is freed by removing the soil and waste rock surrounding it, a series of
holes are drilled by compressed air using Jack Hammer at a regular interval of 15-30 cms
depending on the size of the boulder, the depth of the hole depends on the height of the
boulder and the holes are drilled up to the bottom leaving about a foot at the base. The
holes have to be perfectly straight and vertical so that the vertical split is obtained. Line
drilling machine can be used to drill straight holes. Feather and wedges are inserted into
the holes and hammered continuously applying uniform pressure and the boulder splits
vertically. Similarly dressing is done and the boulder is given a rectangular shape. All the
defects are avoided during the dressing stage. Diamond wire saw may also be employed
to dislodge the block from the parent rock.
Drill hole pattern will be uniform single lined pattern, equidistances holes from 0.33 m to
0.75 m , 4.5 m in depth. Spacing depends upon the size of the boulder, in general it 15
cms from hole to hole for better splitting.
b) Extraction & Loading
Extraction & Loading will be done by a crane and excavator and these activities of mine
operation is contributing to the area source emission and the extent of influence of this
operation is about 100 m2.
c) Haulage &Transportation
In the operating mine, the dressed blocks from mine face to the consumers is transported
by hired trucks. The trucks will be well maintained so that exhaust smoke does not
contribute abnormal values of noxious gases and unburnt hydrocarbons. The other
EMP Report For Colour Granite Mine of 2.00 Ha, located in Tekkali Village, Tekkali Mandal, Srikakulam District, Andhra Pradesh.
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sources of air pollution is due to the dust generated during the movement of tippers on the
haul road.
The above sources, which include drilling, excavation, haulage for transport of blocks
will contribute to dust pollution in the air.
3.2.2 ANTICIPATED IMPACTS
The impacts envisaged due to mining activity are evaluated based on various factors. The
emission inventory of the pollutants is as follows, the main air pollutant would be dust or
particulate matter generated by handling and transportation of colour granite. But the
impact of mining operations on air quality is minimum as mining involved method by
using jackhammer drilling & wire saw cutting and as the production quantity is very less
i.e. 21.1 Cum/Day only.
3.2.2.1 Dust Generation and Control
The air pollutant would be dust or particulate matter generated by handling and
transportation of granite blocks. The existing ambient air quality at quarry lease area is
within the limits prescribed by A.P.P.C.B. The envisaged production of minerals is only
21.1 Cum/Day. The dust generated due to mining operations will be controlled by water
sprinkling through water tankers
3.3 NOISE ENVIRONMENT
Noise will be produced at the mine is due to operations of machinery, drilling and
movement of vehicles. The noise generated by the mining activity is dissipated within a
small zone around the mine. The present noise levels at quarry lease area are within the
limits prescribed by A.P.P.C.B. There is no major impact of the mining activity on the
vicinity however; pronounced effect of above noise levels will felt only near the active
working area and on the personnel working in the vicinity. The impact of noise on the
villages is negligible as the villages are located far from the mine site.
EMP Report For Colour Granite Mine of 2.00 Ha, located in Tekkali Village, Tekkali Mandal, Srikakulam District, Andhra Pradesh.
M/s FREEWORLD EXPORTS PVT LTD
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3.4 WATER ENVIRONMENT
The Mining activity will be carried out on mound slope will not have any effect on the
ground water and the static water table in this area is below 45-50 m.
3.4.1 Impact on Surface Water
There are no major streams and rivers, which can get effected by the mining. Hence,
there will be no effect on the surface water.
During the present plan period quarrying will go to depth of 10 meters from the present
level of mining. During the monsoon period, the rainwater, if gets stagnated, will be
drained out. The benches will made with an inward slope to facilitate run off more faster
on to the mine floor. Small bunds, garlands and silting tanks also will be constructed to
minimize inflow muddy water which carry fine material.
3.4.2 Impact on Ground Water
Mining activity will be above the BWL (45-50 m). Hence, there will be no effect on the
ground water regime.
3.4.3 Impact on Water Quality
Water quality in the buffer zone have indicted that the ground water is free from heavy
metal concentration and this mining activity will not interference on the water quality.
3.4.4 Water Consumption & Wastewater Generation
The water used for Dust suppression & wire saw cutting, Greenbelt & Domestic Purpose
only. The total water requirement is in the order of 6.5 m3/day for the existing mining
operations is met by purchasing the water through tankers from the villages. During the
proposed expansion of Colour granite production the water requirement will be increased
to 7.0 m3/day and the breakup details are indicated below.
EMP Report For Colour Granite Mine of 2.00 Ha, located in Tekkali Village, Tekkali Mandal, Srikakulam District, Andhra Pradesh.
M/s FREEWORLD EXPORTS PVT LTD
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WATER REQUIREMENT (m3/day)
SOURCE QUANTITY
Existing
Production (KLD)
After proposed
Expansion (KLD)
Dust suppression & wire saw 5.0 5.0
Domestic 0.5 1.0
Greenbelt 1.0 1.0
Total 6.5 7.0
The total water requirement of 7.0 m3/day after the proposed expansion programme will
be met by purchasing the water through tankers from the villages.
During the existing process and after implementation of proposed expansion only 0.5
KLD of domestic effluent will be generated and this will also sent to septic tank fallowed
by soak pit.
3.5 LAND ENVIRONMENT
Various components of land environment have been identified for study of impact of the
mine operations. Details of the same are given below:
3.5.1 Solid Waste Generation
Removal of weathered rock and the rock waste is the only solid waste that will be
generated from this mine. Some of the material from the waste may be sorted out and
used for making small blocks to be used by the local unit for making tiles. The market for
tiles is good at the moment and they will offer a better substitute for marble in terms of
price and quality. Some rejected and unsorted material may be used in the civil
engineering projects in the vicinity of the area. The waste material can also be crushed
into smaller sizes and can be used as road metal
About 21144 m3/Year of waste will be generated from this mine. For achieving this
production 97,080.00 M3 of Rock Mass will be excavated and 77,664.00 M
3 of
Waste will be generated.
The waste that will be generated during the mining will be dumped along the SE of
the quarry lease area between the grids N 00 – 100 & E 00 – 50 over an area of
2,360 M2 with an average height of 6 M with 45
0 slope angle will be formed. A
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retaining wall will be constructed around the dump for preventing the slating of
boulders.
Quantity (Cum/Year)
Particulars Present After Proposed Expansion
Waste Rock 2231 21144
3.5.2 Impact on Land use
The mine is located in an area of 2.00 Ha. No forestland is involved.
After the operations cease, the mine spoiled area will be back field. It may not be
possible to complete regain the original topography of the area. During quarrying
whatever solid waste is generated shall be dumped at dumping site inside the Q.L. area.
The mining lease area is not a part of any type of forest. Entire mine lease area is govt.
land hence all the impact on land use is positive because aesthetic environment will not
be effected, as the mine is located on a plain with some bushes.
Due to opencast mining activities, the landscape will be slightly changed. There
will be no land subsidence as the country is made up of hard rock. The Soil cover in this
mine is almost nil and Agriculture is seen mainly in the plains in the vicinity of the lease
area and the mining will not have any impact on the agricultural pattern. Only few bushes
will be cleared to facilitate mining and other related activities and there are no big
trees, which may have to be cut.
3.6 BIOLOGICAL ENVIRONMENT
There is no adverse impacts are anticipated due to the proposed mining activity on
biological environment. However, with the implementation of the environmental
management measures, there will be improvement in the parameters of biological
environment.
The tree species found with the core zone represent the common type of flora species
along with small shrubs and bushes. Due to mining activities community structure of the
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vegetation will not change. Whereas diversity of plant species and food web index of the
area reduced to certain extent.
However, if the proposed reclamation of the mining area and dumped out area using
proper re-vegetation techniques and development of green belt around the ultimate limit
and roadside there shall be an improvement in the species diversity and food web index
compared to the existing level.
3.7 SOCIO- ECONOMIC ENVIRONMENT
3.7.1 No Rehabilitation
The mine area does not cover any habitation. Hence the mining activity does not involve
any displacement of human settlement. No public buildings, places, monuments etc. exist
within the lease area or in the vicinity. The mining operations will not disturb/ relocate
any village or need resettlement. Thus no adverse impact is anticipated.
3.7.2 Improvement in Socio Economic Status
It will be obvious to assume that the activities of the mining operations have to be
produced some improvements in the socio-economic levels in the study area.
The Lessee will provide employment to local population and it will give preference to the
local people whenever there is requirement of manpower.
The proposed mining activities will provide employment to persons of different skills and
trades. The local population is the largest plausibility among these employees. The
employment potential ameliorated economic conditions of these families directly and
provided employment to many other families indirectly who are involved in business and
service oriented activities. This in-turn will improve the socio-economic conditions of the
area.
3.7.3 Occupational Health and Safety
The mine is going to be developed mainly semi mechanized opencast method by using
jackhammer drilling & wire saw cutting. No major crushing or pulverization will be done
here. The small-scale mining will not have any ill effects on the health of labour.
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Excessive dust and noise are the chief health hazards for the miners. As already
mentioned these causative factors are well within the safety limits and the proponents
will strictly implement the prescribed safety measures. The health of the workers will be
regularly checked and suitable medical facilities should be created on or close to the site.
Highest safety will be ensured in the working conditions of the miners.
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4. ENVIRONMENTAL MANAGEMENT PLAN
4.1 INTRODUCTION
The mining development in the study area needs to intertwined with judicious utilization
natural resources within the limits of permissible assimilative capacity. The assimilative
capacity of the study area is the maximum amount of pollution load that can be
discharged in the environment without affecting the designated use and is governed by
dilution, dispersion and removal due to natural physio-chemical and biological processes.
The Environmental Management Plan (EMP) is required to ensure sustainable
development in the study area.
This chapter covers the genesis of pollution, the principal sources of pollution, the nature
of pollution, the proposed measures required for meeting the prevailing statutory
requirements of gaseous emissions, wastewater discharge characteristics, noise levels etc.
for environmental management purpose in connection with the mining and mining related
activities in the study area.
This section discusses the management plan for mitigation/abatement impacts and
enhancement of beneficial impacts due to mining. The Environmental Management Plan
(EMP) has been designed within the framework of various Indian legislative and
regulatory requirements on environmental and socio-economic aspects.
Environmental Management Plan giving the environmental protection measures at mine
to meet the stipulated norms of IBM/MoEF are as detailed.
4.2 AIR POLLUTION CONTROL MEASURES
The present ambient air quality measurements in the mine area are well within the limits.
Due to the proposed production of 5286 Cum /Year of colour granite, there will be
marginal increase in dust concentrations.
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Mitigative measures suggested for air pollution control are based on the baseline ambient
air quality monitoring data. From the point of view of maintenance of an acceptable
ambient air quality in the region, it is desirable that air quality should be monitored on a
regular basis to check it vis-à-vis the standards prescribed by CPCB and in cases of non-
compliance appropriate mitigative measures shall be adopted.
The following dust prone areas are identified for adopting proper control measures in the
mine area.
i) Drilling & Wire Saw Cutting
ii) Excavation
iii) Transportation
The environmental control measures which will be implemented to control the fugitive
dust released from the proposed production are given below:
Wet drilling system & Dust proof
Optima Wire Saw Cutting (using water reduces dust)
Use of sharp drill bits for drilling holes. The charge concentration of the
explosives will be between 10 – 40 grams per linear meter.
Water sprinkling arrangements such as specially fabricated tankers mounted on
tipper are deployed at mine site to control the fugitive dust generation from the
haulage roads.
Regular grading of haul roads and service roads to clear accumulation of loose
material
The blasted blocks (temporary) are wetted by spraying water
Excavation operations are suspended during periods of very strong winds.
Massive afforestation for control of dust
Spraying of water on sub grade stacks
The vehicles and machinery are kept in well-maintained condition so that
emission of fugitive constituents is minimized.
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Plantation of wide leaf trees, creepers, tall grass around working pit, along roads
will help suppress dust.
Tall trees with an average height of 5 m will be developed all along the boundary
of the lease area to minimize the dispersion of the dust from the mining.
Periodical monitoring of air quality to take steps to control the pollutants.
4.2.1 OCCUPATIONAL HEALTH & SAFETY MEASURES
All the precautions would be adopted to prevent dust generation at site and to be
dispersed into the outer environment. However, for the safety of workers at site, engaged
at strategic locations/dust generation points like drilling, loading and unloading points,
etc., dust masks would be provided. Dust masks would prevent inhalation of RSPM
thereby reducing the risk of lung diseases and other respiratory disorders. Regular health
monitoring of workers will be carried out.
4.3 NOISE POLLUTION CONTROL MEASURES
The ambient noise level monitoring is carried out in and around the proposed mine shows
that ambient noise levels are well within the stipulated limits of CPCB.
Noise generation may be for an instant, intermittent or for continuous periods, with low
to high decibels. Periodic inspection and checks of the risk prone areas and equipments
have to be conducted.
To control noise pollution during the proposed mining operations following steps will be
practiced.
The noise generated by the machinery will be reduced by proper lubrication of the
machinery and equipment.
The workers employed should be provided with personal hearing protection
equipment, with earmuffs and earplugs combined, as a protection from the high
noise level generated at the plant site.
The provision of green barrier along the boundary will further reduce the
propagation of noise level generated.
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Limiting time exposure of workers to excessive noise.
Speed of trucks entering or leaving the mine is limited to moderate speed of 25
kmph to prevent undue noise from empty tippers.
4.4 WATER POLLUTION CONTROL MEASURES
The action program for minimizing adverse affects on water regime is to prevent wash-
off of mine water and uncontrolled run-off water during monsoon. Proposed measures for
this are as follows:
a) Building/extending of retention/toe walls at the foot of the dumps
b) Construction of Garland drains along the slopes to divert the rainwater course
away from the dumping areas.
c) Covering of dump slopes with grass plantation to stabilize and prevent erosion.
d) Plantation of trees along the ridges and slopes.
4.5 LAND ENVIRONMENT
The Dhanbad declaration on Environmental Management in Mining Industry states “It is
imperative that in order to ensure the continued and sustained progress of the mining
industry in India, the environmental dimensions should be integrated into the planning,
design, development, operation and working practices of quarry on scientific and rational
lines, by the Governments and the industry in a mutually reinforcing manner”. The land
related Environmental Management Plan (EMP) has been presented here under two
sections viz., Soil & Water conservation and Afforestation.
Storage and Reuse of Top Soil:
Topsoil removed during clearing of the area for granite extraction shall be stacked
separately to check the erosion of the stacked soil. A retaining wall shall be constructed
all around the topsoil stockyard. Planting of grass and local species etc., are proposed on
the surface of this stack to prevent erosion and to increase the soil nitrogen. As per the
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analysis of the soil samples they are found to be basic in nature. During afforestation, it is
recommended to plant fast growing species with good canopy cover and dense leaf
density and some ornamental species to give a good aesthetic look. It is recommended to
sow neem, mahogany plants as soil and climatic conditions are suitable for the growth of
these plants.
Solid Waste Management
Removal of weathered rock and the rock waste is the only solid waste that will be
generated from this mine. Some of the material from the waste may be sorted out and
used for making small blocks to be used by the local unit for making tiles. The market for
tiles is good at the moment and they will offer a better substitute for marble in terms of
price and quality. Some rejected and unsorted material may be used in the civil
engineering projects in the vicinity of the area. The waste material can also be crushed
into smaller sizes and can be used as road metal
About 21144 m3/Year of waste will be generated from this mine. For achieving this
production 97,080.00 M3 of Rock Mass will be excavated and 77,664.00 M
3 of
Waste will be generated.
The waste that will be generated during the mining will be dumped along the SE of
the quarry lease area between the grids N 00 – 100 & E 00 – 50 over an area of
2,360 M2 with an average height of 6 M with 45
0 slope angle will be formed. A
retaining wall will be constructed around the dump for preventing the slating of
boulders.
Quantity (Cum/Year)
Particulars Present After Proposed Expansion
Waste Rock 2231 21144
Stabilization and vegetation of dumps:
The dumps will be stabilized and shaped trapezoidally. The angle of repose will be in
such a manner that the run off of material will be avoided. The trench will be dug around
the dump to avoid run off. The dumps will be safe-guarded by plantation of trees along
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the slope and of the soil cover area. In first five years, it is planned to undertake
plantation of 50 trees per year on the slope of the dump, depending on facilities available.
Land Restoration/Reclamation:
Land restoration or reclamation of the area is very essential in any mining industry.
Proper measures adopted during restoration will control most of the adverse
environmental impacts of Quarry and also improve the aesthetic beauty of the area. Due
to the Quarry activities in this area the profile of the ground will change due to formation
of pits. At the end of the Quarry operations, the top soil/mineral rejects will be utilized
for back filling wherever suitable and rehabilitated.
Following steps shall be taken for improving and protecting the environment.
a) Quarry lease area
b) Surrounding the Quarry lease area.
c) Surrounding the statutory buildings
d) On the undisturbed virgin lease area.
Surrounding the Mining area
The dust generated during the quarrying operations will be carried by wind and will be
deposited over the trees and on the adjacent area around the quarry in the buffer zone. To
filter this dust, a green belt of 10m width shall be developed along the quarry lease area
i.e., around ultimate pit limit, this green belt will also act as sound barrier. In between the
tree saplings, grass and bushes shall be grown. Creation of the green belt around the lease
areas shall be undertaken on priority basis and shall be completed concurrent to Quarry
over a 10-year period.
Surrounding the statutory buildings
All around the proposed statutory buildings and along the road sides trees shall be planted
in addition to the existing ones which will protect the workers from the noise and dust.
To plant trees around the statutory buildings, the topsoil that is going to be mined from
the area shall be laid to form a strip of 10-15m width and 0.5m thickness.
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On the undisturbed virgin lease area:
The undisturbed virgin lease area shall be utilized for afforestation purposes by
developing the area with local varieties. This work shall be done after the cessation of
Quarry operations.
Afforestation Plan:
In every year about 20 meters length of buffer zone are utilized for afforestation
programme and was carried by planting 10 Neem plants in the boundary barrier on the
South western side of the quarry lease area.
Apart from the green belts and aesthetic plantation for eliminating fugitive emissions and
noise control, all other massive plantation efforts shall be decided and executed with the
assistance and co-operation of the local community. Based on the community needs the
afforestation would mainly aim at:
a) Protection & Development of Natural Vegetation
b) Protection of soil erosion
c) Plantations of fuel wood blocks to meet the energy requirements.
4.6 SOCIO ECONOMIC BENEFITS
There is positive impact on socio-economics of people living in the villages. The villages
in buffer zone depend upon agriculture. Mining operations in the subject area has positive
impact by providing direct and indirect job opportunities. There will be indirect
employment opportunities in transportation of ore to destination.
4.7 POST PROJECT MONITORING
The Lessee will monitor the environmental parameters as per APPCB/IBM/CPCB
guidelines
4.8 IMPLEMENTATION OF EMP & MONITORING PROGRAMME
The environment management plan is detailed on the basis of impact assessment. Control
and mitigation measures for the adverse impacts envisaged. As the major environmental
attributes have been confined to the project area alone, implementations of the proposed
control measures and monitoring thereof will be undertaken on the regional basis. The
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Lessee will ensure the implementation of the measures within the mine area and carryout
efficient monitoring. In order to implement the measures suggested for mitigating the
adverse impacts on the environment, it is suggested to monitor the environmental
parameters regularly.
The details of investments to carryout the regular monitoring and pollution control
measures are given below in table – 2.
Table – 2: Cost of Environmental Protection Measures for the existing production of
397 cum/year of production (in Rs.)
Capital Cost-6.0 Lakhs and recurring cost -3.26 Lakhs
Table – 3: Cost of Environmental Protection Measures for proposed expansion of
production of 5286 Cum/year of Production (in Rs.)
Sl.No Description Item Capital
Cost
Recuring
Cost Remarks
1 Air Pollution
Nose Marks 200 No's - 4,000.00 Replaceable, and cost
can increase with time
Cloth for drillers 100
no 1.0m each. - 6,000.00 Issued thrice in a year
Gunny bags for
covering the surface
of jackhammer holes
- 4,000.00 As and when needed
Road wetting and
plant water feeding 50,000.00 150,000.00
Water tanker cost @
three tankers per day
for 8 months
Plantation on road
side plus maintenance 40,000.00 30,000.00
Re-plant the non-
surviving plants
2 Water
Pollution
Construction of
garland drains 140,000.00 50,000.00
Once only (For
manual de-silting)
De-silting operations - 20,000.00 Yearly and manual
operations
Construction of check
dams 60,000.00 30,000.00
Once in year, cost
incurred is to buy
sand bags and filling
sand
Construction of
retaining wall for
waste dump
180,000.00 45,000.00
Cost of construction
of wall around the dip
side of the dump.
3
Noise
Pollution
Maintenance of
machinery suitably –
Rs. 4000 per 3
months
40,000.00 20,000.00 Included in main cost
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PPE’s like Ear muffs
– Rs. 15 each 8,000.00 3,000.00 Once in six months
4
Occupational
Health &
Safety
Providing First aid
kits – 4 No’s and fire
extinguishers – 5
No’s
8,000.00 4,000.00
Once in year, replace
by conducting
periodical checkup
Providing Personal
protective equipments
to all employees
(hand gloves, safety
shoe and helmets)
40,000.00 23,000.00
Included in air
pollution and noise
pollution
Training and
awareness programs
on risk factors during
emergencies by the
experts
15,000.00 10,000.00
Once in six months
and create sign boards
about the risk and
safety precautions
regularly
Periodical medical
checkup and supply
of medicines – Rs.
200 per head
6,000.00 2,000.00
Once in a year and
supply of medicines
for every three
months
5 Environmental
monitoring
Ambient air quality
studies – Once in six
months – 3 locations
- 25,000.00
MoEF /NABL
recognized
laboratories
Water quality studies
– Once a year – 3
Locations
- 8,000.00
Noise studies – once
in six months – 3
Locations
- 7,000.00
Vibration studies –
Once in year – 1
location
- 10,000.00
6 CSR
Activities
For providing School
uniform, Books and
health camp etc.
150,000.00 100,000.00
TOTAL 737,000.00 551,000.00
The applicant will adhere to all the terms & conditions laid in respect of safe working
keeping in view of the sustainable Environmental Management and will comply with the
provisions of the Environmental Protection Act-1986, The Mines Act-1952 & Mineral
Conservation & Development Rules-1988 and any other Rules notified from time to time.
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CONCLUSIONS, SUGGESTIONS/RECOMMENDATIONS
The Mining method proposed as per the approved Mining Plan from Dept. of Mines &
Geology is small-scale semi mechanical mining activities without deployment of deep
hole drilling and use of Heavy machinery. The actual method of mining Colour Granite is
by slicing. Based on the appraisal of the existing environmental scenario coupled with
the assessment studies carried out, it is concluded that there is no long term
environmental impact due to the Colour Granite quarry at the lease area.
The particulate matter getting airborne from the mining activity gets dispersed in close
proximity itself and settles down early. The noise levels due to the proposed quarry
activity are also not of a higher order that calls for immediate corrective measures. The
ground water analysis indicates that the sources do not get influx of pollutants from the
quarry activity. There is positive socio-economic front in the surrounding region due to
the proposed mining industry. The practice of afforestation scheme is a step in the right
direction towards achieving ecological balance.
Suggestions/Recommendations
Even though there is no perceptible impact from the quarry activity on the environment of
the region, it is imperative that mitigative measures have got to be implemented on full
scale for creating environmental balance and intern maintain the ecology of the region.
The following suggestions/recommendations merit due consideration in this regard.
As no control over wind can be exercised, the frequency of the dust
suppression measures like constant watering of the haul roads shall be
practiced.
Afforestation as envisaged in the mining plan is to be carried out so that it
not only enhances the green canopy but also stop the spread of dust
particles and air borne pollutants.
Surface water conservation measures and groundwater recharge be given
high priority.