STONE MINING
[EIRI/EDPR/1331] J.C. 9994
Stone Quarrying
Quarry
The quarry is the type of open pit mine, the rock or minerals are extracted from the quarry. For extracting building materials such as dimension stone, construction aggregate, riprap, sand and gravel; quarries are generally used. For the requirements for large amounts of aggregate in those materials, they are collocated with concrete and asphalt.
Stone quarrying
The process of splitting the stones into usable shapes and different sizes for the process of building is known as stone quarrying. Stones from quarries have been used in all types of stone creations, and they are used in the process of constructions ranging from federal offices to farm foundations.
Types of stone quarries
In United States, stones quarries are classified into four major categories, they are boulder quarries, surface ledge quarries, commercial deep pit quarries, and subterranean quarries. Different strategies are required for each type of quarry to dig out the stones. Quarries like commercial deep bit quarries just came after the growth of technology in hoisting stone.
Tools used for Quarrying
The tools used for stone quarrying are, plug and feather method, and flat wedge method, these two methods account for over 95% of tool marks found on quarried stone.
COST ESTIMATION
Plant Capacity 2400 Ton/Day
Land & Building (On Lease) Lease
Plant & Machinery Rs. 5.10 Cr
Working Capital for 2 Month Rs. 2.16 Cr
Total Capital Investment Rs. 8.01 Cr
Rate of Return 81%
Break Even Point 35%
CONTENTS
1. INTRODUCTION
2. TYPES OF STONE QUARRIES
3. USES OF STONE BOULDERS
4. MARKET POSITION OF STONE MINING INDUSTRY
5. SELECTING & PLACING BOULDERS AND ROCKS
6. QUARRYING PROCESS AND QUARRY PRODUCTS
7. SPECIFICATION OF BOULDERS
8. BOULDERS & CHUNK STONE
9. QUARRY PROCESS OF STONE BOULDERS
APPENDIX – A:
01. PLANT ECONOMICS
02. LAND & BUILDING
03. PLANT AND MACHINERY
04. OTHER FIXED ASSESTS
05. FIXED CAPITAL
06. RAW MATERIAL
07. SALARY AND WAGES
08. UTILITIES AND OVERHEADS
09. TOTAL WORKING CAPITAL
10. TOTAL CAPITAL INVESTMENT
11. COST OF PRODUCTION
12. TURN OVER/ANNUM
13. BREAK EVEN POINT
14. RESOURCES FOR FINANCE
15. INSTALMENT PAYABLE IN 5 YEARS
16. DEPRECIATION CHART FOR 5 YEARS
17. PROFIT ANALYSIS FOR 5 YEARS
18. PROJECTED BALANCE SHEET FOR (5 YEARS)