Reliability analysis of underground mining equipment …

2014-3-4 · Besides, reliability analysis has also been conducted using genetic algorithms on underground mining equipments (Vayenas, and Peng, 2014). 4 Such reliability-based optimization efforts have also ...

Equipment Selection for Surface Mining: A Review

2013-7-19 · Mining trucks, also called haul trucks or o -road trucks, haul the ore or waste material from the loader to a dumpsite. More commonly, these vary from 36 tons to 315 tons. The size and cost of operating mining trucks is directly proportional to its tray capacity, while the speed at which the truck can travel is inversely proportional to its ...

Overview of Mining Costs

2012-8-28 · Overview of Mining Costs 24 August 2012 30 Broad Street, 37 th Floor New York, NY 10004 ... • Increased electricity costs (for cooling deep underground shafts) • Overall increase in overhead and maintenance costs ... produced at cash costs lower than $1,033 per …

Research Article Maintainability Analysis of Underground ...

2019-7-31 · and mining managers. Particularly in a state of economic recession, mining companies are urged to make the best use of enterprise resources including equipment and mainte-nance crew while dealing with market volatility and share-holders expectationsofpro tability.Anumberofcrucialrea-sons for improving mining equipment reliability and main-

Cost of Stoping for Underground Mining

2017-4-5 · Expressed in another way, the sorting cost per ton of run-of-mine ore is 1.95/6.51 or $0.30. The cost of mining 1 ton of run-of-mine. ore is $2.34. The cost of transporting ore from the mine to the mill on contract is $1 per ton. The milling cost of run-of-mine ore is taken as $2.85 and the cost of milling the sorted product is $3.22 per …

ESTIMATION OF CAPITAL COSTS FOR ESTABLISHING …

2021-3-26 · 2.6. Mining cost indices 35 2.7. Capital intensity 36 2.8. Cost estimation in mining 38 2.9. Capital cost estimation in open pit mines 39 2.10. Concluding remarks 40 3. METHODOLOGY 42 3.1. Chapter overview 42 3.2. Brief description of the parametric cost estimation methodology 42 3.3. Data utilised 44 3.4. Cost estimation formulae 44 3.5.

UNDERGROUND COAL MINING: FACTORS, COST, AND …

2021-9-21 · UNDERGROUND COAL MINING: FACTORS, COST, AND TIME CONSIDERATIONS Presented by: Mark A. Williams Executive Vice President – Engineering Services Harrisburg, Pennsylvania Presented to: Fall Meeting Southern Pines, …

Costcutters: Efficiency and productivity in mining

2011-11-29 · Costcutters: Efficiency and productivity in mining. 29 Nov 2011. Increasing productivity and cutting wasteful costs could help the mining industry when market conditions are tough. Chris Lo talks to Michael Beare of SRK Consulting to find out what mines could, or should, be doing to maximise their margins. As an industry whose fate is tied to ...

Why underground mines cost higher compared to surface …

2014-4-29 · Underground mining is generally more expensive than surface mining. Cash mining cost for higher-ranked coal at Appalachia Basins is much higher at above $60/short tons, based on Alpha Natural ...

(PDF) COST ESTIMATION FOR OPEN PIT MINES: TACKLING …

This article presents cost models for open pit mines, which takes into account cost uncertainty. In this paper, cost uncertainty is considered as cost of under production, and cost of over production.

PERFORMANCE ANALYSIS OF HEAVY EARTH MOVING …

2016-1-4 · 3.1 Working Hours (2014-15), Gopinathpur Mine, ECL 36 3.2 Breakdown Hours (2014-15), Gopinathpur Mine, ECL 37 ... usually represented as standard for comparison for measuring the performance of the equipments ... while considering the economics of the mining project. The cost per ton of material handled/won

FEED MANUFACTURING COSTS AND CAPITAL …

Operating costs are also estimated for a two-shift, 16-hour-a-day schedule. This reduces cost per ton of output by 12 to 20 percent. Total costs range from $3.93 per ton in the 50-ton plant to $13.18 per ton in the 6-ton model. Practically all savings by the two-shift operations are due to reduced fixed

Surface Mining Methods and Equipment

2020-8-25 · underground mining as well as brief explanations of open pit, open cast, placer, and ... equipments and miners is usually difficult in underground mines, and higher capital per ... labor cost per effective working hour in underground mines is much higher than on the surface. Underground mines also require additional energy and expenditure for

Hoisting Equipment Cost Estimation in Underground Mines

2016-9-19 · In underground mine planning, the layout of the mine is determined by the size and shape of the ore ... (2007) while the operation cost is based on US dollar (2007) per hour. The operating costs items include: overhaul (parts and labor), maintenance (parts and labor), power and lubrication. The cost of operator''s time

Cost Estimation Handbook for Small Placer Mines

2016-3-11 · I Hydraulic mining-Costs. I Title 11. Series. Inibrmatlon c~rcular (United States Bureau of Mtnesl. Y 170 Foi. ... short ton per hour troy ounce troy ounce per cubic yard weight percent yard per hour cubic cubic yard per day cubic per square foot cubic yard per hour year .

TECHNICAL CALCULATION AND ESTIMATOR''S MAN …

2013-11-12 · The most complex work in developing these man hours was the work on the man hours f or piping abov e ground. A basis I used was a system for estimating the value of erection works of a German Company LINDE, which I completed and modified. Gener ally, for elabor ation of the man hours f or er ection/installation of process equipment,

How to Calculate Machinery Ownership and Operating …

2020-10-13 · Fuel cost/acre = consumption per hour/number of acres completed/hour Lubrication According to Nebraska Tractor Test data, a general rule of thumb can be applied for estimating the cost of lubrication. For example, the rule of thumb that is applied for power machinery is 15% of fuel costs. For non-power equipment

Performance Measurement of Mining Equipments by …

2017-9-13 · Performance Measurement of Mining Equipments by Utilizing OEE Sermin Elevli1 and Birol Elevli2 ... necessary precautions to increase the effectiveness of their equipment and to reduce the total production cost. Mining is a very capital-intensive industry, and it is known fact that the equipment utilization ... 2 hours per move 8 Quality loss ...

Mine & Mill Equipment Cost Guide

The Mine & Mill Equipment Cost Guide covers more than 3,000 items of mobile, portable, and stationary equipment commonly required by mining and milling operations. Select from a full range of sizes and types, with productivity information for many items. Our equipment cost data also comes in …

Hard Rock Miner''s Handbook

2019-5-15 · of the Mining Journal,, and many other members of the mining community, the Hard Rock Miner''s Handbook has been distributed to over 113 countries worldwide. Web hits and downloads continue as students and professors, miners, engineers, and mining executives embrace the Handbook as an invaluable source of practical

Maintainability Analysis of Underground Mining …

While increased mine mechanization and automation make considerable contributions to mine productivity, unexpected equipment failures and planned or routine maintenance prohibit the maximum possible utilization of sophisticated mining equipment and require a significant amount of extra capital investment. This paper deals with aspects of maintainability prediction for mining machinery.