journey of amod g-19 ext. lignite mine, rajpardi …

Prepared By: Seema Kumari, Asst. Manager (Env)

JOURNEY OF AMOD G-19

EXT. LIGNITE MINE,

RAJPARDI TOWARDS MINE

CLOSURE AND

RECLAMATION

Author: Lignite Project, Rajpardi

Date :24.10.2018


Volume-I

Table of Contents:

1. Introduction

2. Necessity of Mine Reclamation

3. Excerpts of Approved Mine Closure Plan of G-19 Ext.

4. Progress Report of One year

a. Green Belt Development

b. Visit of Scientists from NAU

c. Site Preparation

d. Grass Development

e. Water arrangement

5. Expenditure


Introduction:

One of the most important stages of mining is reclamation. Mine reclamation is

the process of reclaiming the excavated land to the ecological or economically

viable land. Now the concept of reclamation has been changed and restoration of

the mined out area is preferred.

What is the basic difference between reclamation and restoration?

It is of prime importance for us to know the basic difference between reclamation

and restoration.

Reclamation is the conversion of less productive land into cultivable or more

productive while Restoration is bringing back of Land in its original form after

mining is completed.

Mine reclamation may sound like a massive task and it is for Lignite Project,

Rajpardi but being a mining industry it is the prime responsibility of GMDC

Rajpardi to reclaim the land as per approved Mine Closure Plan.

It is not like mine closure activities are carried out after completion of mining, but

now a days planning started before mining activity and regulatory authorities are


enforcing concurrent backfilling and mine reclamation for which there is the

concept of Progressive Mine Closure Plan.

Salient Features of Mines:

Amod G-19 Ext. Lignite Mine, Rajpardi is the mining sector and deals with

excavation of Lignite, Silica sand and Ball Clay. Amod G-19 Ext. (Rajpardi) lignite

block is located in Amod village in Jhagadia Taluka, Bharuch district of Gujarat.

This block is connected by state highway Bharuch-Rajpipla (6km away), NH-8

(35km away) Bharuch railway station (35km away) and airport at Baroda (125km

away).The salient information about the mine is given in Table.

Table 3.Salient Information of Amod G-19 Ext. (Rajpardi) Lignite Block

Sl.

No.

Parameter Description

1. Location Village - Amod

Taluka - Jhagadia

District - Bharuch

State - Gujarat

2. Lease period 30 years

i. Block allotment Date Date-5th Dec.2001.

ii. Letter of MOC Ref. Letter No.48024/1/2001-Lig Date-5.12.2001.

iii. Lease deed Dated 14th March 2007

3. Mineral mined Lignite

4. Total area of lease 384.9618 hectare


Sl.

No.


5. Total lignite bearing area 301.34 hectare

6. Total No. of Bore holes 24 Nos.

7. Density of BH per sq.km. (i) Total No. of borehole drilled = 24

(ii) Area of block = 384.9618 hect.

(iii) Density of Bh/ Km2 =6.25 BH/ km2

8. Gross geological

reserves

18.08 million tonnes (as per EIA Report)

9. Total mineable reserve 12.26 million tonnes (As per mine closure

plan September 2013)

10. Lignite depleted till

Mar’18

8.21 million tonnes

11. Balance Reserves as on

Mar’18

4.05 million tones

12. Average Seam thickness Top Seam 4.20 to 8.80m

Bottom Seam 1.00 to 3.40m

13. Overburden thickness Top Roof 19.60 to 176.00m

Top Floor 25.00 to 184.80m

Bottom Roof 112.40 to 140.60m

Bottom Floor 115.80 to 152.00m

14 Total OB of Mineable

block

Balance Overburden –67.9 million m3

OB depleted till date –117.10million m3

Total : 185.00 million m3

15 Lignite: OB Ratio 1:15.51 (Tonnes :m3)


Sl.

No.


(Mineable block)

16 End Use Merchant Sale

17 Pre-mining Land use

break up:-

Private land (Agricultural) = 126.4071 Ha

Govt. Wasteland = 258.5547 Ha

Total = 384.9618 Ha

No forest or Goucher land is included

18 Proposed method of

mining

Mechanised Open Cast Mining

19 Targeted production

(Lignite)

1.0MTPA

20. Proposed OB handling 67.9 million m3


Why reclamation is necessary?

Lignite is the economic mineral and for the development of the country mining is

required. Mining is the backbone of economy without which we cannot dream of

day to day life in present scenario.

Mining is considered as the most hazardous industry as a huge area of land is

degraded and even the quality of air and water is also altered. Major impact

occurs on land. It is not advisable to left the voids after mining in the present

situation and now it is emphasized to go for restoration/reclamation into some

economically viable options such as :

1) Development of Agricultural Land

2) Development of gaucher Land

3) Fishery

4) Forestry

5) Construction

6) Tourist Site etc.

Amod G-19 Ext. Is the Opencast Mines of 384.9618 ha area out of which 168 ha

area has been excavated yet. The land is degraded to the great extent and it is

our social responsibility to reclaim the land for the local habitants overhere.


Excerpts of Approved Mine Closure

Plan of Amod G-19 Ext. Lignite Block:

Proposed Land use Pattern at the End of the Mine Life

The Table below depicts the proposed and present Land use of the Amod G-19

(Ext.) Lignite Block as per Approved Mine Closure Plan.

Table 4.Proposed Land use Pattern at the End of the Mine Life

sl.no Description Pre-

mining

( Ha)

Present

land

use ( up

to 2017-

18)

(Ha)

End of

mine life

( Ha)

Post

mine

closure

( Ha)

1 Agricultural land 126.4071 185.2218

2 Goucher/Pasture Land Nil - 100.0

3 Waste land 258.5547 - -

4 Water body - - 29.0

5 Void - 168.2 29.55 -

6 Backfilled area - 31.27 201.05 -

7 Infrastructures - 0.05 0.05 0.05

8 Green belt plantation - 15.42 50.0 50.0

9 Unutilized area - 118.5718 83.6218 -

10 OB dump without

plantation

- 31.36

3.37 3.37

11 Rehabilitated Amod

Basahat

- 8.64

8.36 8.36

12 Roads &nalla - 11.45 8.96 8.96

Total 384.9618 384.9618 384.9618 384.9618


Progress Report of One year:

a. Green Belt Development:

Plantation activity has been started from the year 2007 and it is progressing in

phased manner every year in consultation with the local Forest Department.

Amod G-19 Ext. Lignite Mine has carried out plantation in 17.42 Ha. area till

September 2018 which includes 1.44 Ha plantation on backfilled area, 2.72

along road and 11.5 Ha along mining lease boundary and 1.76 Ha in

undisturbed area. The density of the trees is around 1717 plants/Ha.

Total Plantation = 29905

Total Area (in Ha) =17.42

Photographs are shown below:


During the year 2018, Green belt development is carried out in 2 Ha area which is

totally backfilled area upto ground level:


b. Visit of Scientists from NAU:

We have contacted the Principal of College of Agriculture, Bharuch on 1st August

2017 regarding visit of their team in order to give technical guidance to Amod G-

19 Ext. Lignite Mine in development of Agricultural Land in the Physically

reclaimed area against which the scientists visited the site on 19th September

2017.


On 15th November 2017, they have communicated to us and give their findings

which are mentioned below:

1. Top Soil layering to be done.

2. Soil testing should be done before carrying out the biological reclamation

activity.

3. Irrigation arrangement should be made beforehand.

4. Water testing should be carried out.

They shown interest in carrying out pilot project at our site against which we have

communicated with the College of Agriculture, Bharuch in order to submit their

detailed project report after which it was transferred to the Navsari Agricultural

University, Navsari from where team of 4 persons has visited our on 1st May 2018

and suggested to develop water management profile in 2 Ha area first and

preparation of bund all around.


After marking of 2 ha plot, soil testing in Navsari University and making the

earthen bund along the plot, the team was again invited to visit the site and

further give their inputs against which they visited Amod G-19 Ext. Lignite Mine,

Rajpardi on 21st August 2018.

During this visit, they recommended following steps to follow for the

development of 2 Ha Agricultural Land:

1) Tilling of Plot

2) Broadcasting of Sunn hemp seeds and organic manure

3) After development of Sunn Hemp,it is to be utilised as green manuring

4) Continuous water supply to the designated 2 ha Plot.


c. Developmental stage of Site Preparation alongwith

irrigation arrangement in 2 Ha area:

The void generated during mining was backfilled to the ground level and then

Top soil layering was carried out in it which leads to the completion of physical

reclamation of the 8 Ha Plot.


Water Arrangement:

Following arrangement has been done for establishment of irrigation system:

1) Installation of 20 HP Motor in Hankaran nallah

2) 850 m HDPE Pipeline Connection upto the Tank

3) Utilisation of MS IOCL Tank of 20 KL capacity

4) Drip Irrigation to the Plantation

5) Utilisation of PVC Pipe and Flexible Pipe for irrigation in Grass Seed Plot


Grass Seed Plot of 2 Ha:

After broadcasting of Sunn Hemp seeds, organic manure and watering the 2 Ha

Pilot Plot


Development of Grass Seeds after 6 days of watering the Plot.


Expenditure Incurred So far:

Sl no Activity Expenses (in Rs)

1 Green belt Development in 2 ha area (4990 Plants) 27000

2 Tilling 3500

3 Pipeline arrangement 267751

4 Accessories 5000

5 Purchasing of 100 kg Sunn Hemp Seeds 8000

6 Purchasing of Organic Manure 4500

7 Drip Installation 20000

8 Contractual Manpower 500000

Total Rs 8,35,751/-

Total Expenditure during One year = Rs 8,35,751/- Only

(Eight Lakh Thirty Five Thousand Seven Hundred and Fifty One Only)

journey of amod g-19 ext. lignite mine, rajpardi …

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