Pit Optimization for Improved NPV and Life of Mine in

Operations planning and management of a large open pit mine is an enormous and complex task, particularly for mines having long life. The long-term planning of open pit mine is a dynamic process and should be reviewed periodically for enhancing the NPV and life of mine. Pit optimization through soft computing can be gainfully …

A review on existing opencast coal mining methods within Australia

Key wordsCoal mining-surface mine-opencast mining machines. Types of Mines Operational within Australia [6 -12] ... is productivity levels and operating costs. The major factor affecting this in a ...

Optimization of Blasting Operation in Opencast Mine

engineers to achieve a better output at a lower cost of mining. Because modern mines require large amounts of explosives throughout the mine's life, the cost of blasting operation can be significantly reduced by reducing the cost of explosives. Key Words: Optimization, Drilling, Blasting, Opencast mine, Blast model, Explosives, Machinery. 1.

Analysis of Mine Haul Road Performance Using Artificial

Hustrulid et al. reported that for opencast mine good haul road design is vital for low haulage cost and operational safety. As per Sinha and Banerjee [ 9 ], haul roads are the major contributor of fugitive dust in mine working area.

Overall Equipment Effectiveness of Shovel-Dumper …

Authors of the paper have discussed on the cycle time of shovel and dumper, their dispatching and allocation problem and proper combination in opencast mining …

MINING EQUIPMENT SELECTION FOR A TYPICAL …

techniques, extends to other facets of opencast mining. Draglines, generally used in surface coal mines, prove to be a successful mining method with distinct capital and …

Productivity in mining operations: Reversing the downward …

It is also in evidence across most mining players and all the major mining geographies (Exhibit 4). This decline stands after adjusting for external factors such as deteriorating ore grades and mine cost inflation, including escalations in the prices of mine inputs such as fuel and explosives.

Energy efficiency assessment of electric shovel operating in opencast mine

The studies revealed that benchmarking of energy consumption in haul trucks using the model-based approach is appropriate for setting the fuel consumption target in an opencast mine and assess the ...

Energy efficiency assessment of electric shovel operating in …

Energy consumption in electric shovels varies with the material handling rate. In this paper, authors have used specific power consumption (SPC) as energy efficiency …

Water and energy assessment for dewatering in opencast mines

An optimum water reticulation strategy was proposed to minimise the total operating cost of deep mine reticulation system ... The ground water increases with mine depth significantly as mine progress and accounts for major share of the total water inflows in deep mines. ... Water inflows in opencast mine increases during rainy seasons due to ...

Water and energy assessment for dewatering in opencast …

Optimisation approaches have been used to minimise the water, energy requirement and operating cost for efficient mine operation. The mine water reduction, reuse and recycle for different case studies around the world has been discussed and water system model was developed to show the potential water savings (Gunson et al., 2012).

Use of Machine Learning Algorithm Models to Optimize the …

This paper presents the machine learning (ML) method, a novel approach that could be a profitable idea to optimize fleet management and achieve a sufficient output to reduce operational costs, by diminishing trucks' queuing time and excavators' idle time, based on the best selection of the fleet.

Life cycle assessment of opencast coal mine production: a

The previous studies on the environmental impacts of opencast coal mine production were focused on a single production process. Moreover, mined land reclamation was an important process in opencast coal mine production; however, it was rarely considered in previous research.

Health and Safety at Opencast Mines, Alluvial Mines and …

GooD PrACTICe GUIDeLINeS // HEALTH AND SAFETY AT OPENCAST MINES, ALLUIAL MINES AND QUARRIES 12 This guideline is about helping you implement hazard controls for risks commonly associated with opencast mines, alluvial mines and quarry operations.

(PDF) Mining Haul Roads: Theory and Practice

Mining haul roads are a critical component of surface mining infrastructure and the performance of these roads has a direct impact on operational efficiency, costs and safety.

Optimization of the load-and-haul operation at an …

Optimization of the load-and-haul operation at an opencast colliery consumables, electricity, equipment, fuel, and various overhead costs are heavily inflated by a weaker rand.

Design of Haul Roads in Open Cast Mines in India—A

About 80% of total mining in India is carried out in coal sector through open cast mines where heavy dumpers are plying on the haul roads. Mine haul roads have witnessed an enormous increase in traffic density as well as hauling payloads in the recent past due to increase in coal mining activities. In the Indian scenario, the majority of these …

Optimization of the load-and-haul operation at an opencast …

In this study a load-and-haul fleet optimization approach has been used to identify the opportunities for operational improvement at an opencast colliery.

Opencast Mining

Opencast mining operations involve the removal of huge quantities of overburden, dumping, and backfilling of the excavated area. These overburden deposits of waste material containing low-grade ores are represented as mine spoil dumps.

Reduction, control of operating costs in the mining

Extended operational activities increasing maintenance costs and downtime. Incorrect load management of transport equipment causing increases in fuel usage and maintenance costs, along with inconsistency of volumes being transported. Health, safety and compliance.

Evolution of Opencast Mines in the Raniganj Coalfield …

The oldest coal mine of India, Raniganj coalfield has been producing superior quality non-coking coal for the last 246 years. To reduce the cost per unit production of coal, the mining authority prefers the …

Stability Evaluation of Highwall Slope in an Opencast …

is essential for economic, safe and successful operation of opencast mine. This paper presents the results of stability evaluation of the pit slope at Medapalli opencast project (MOCP) of M/s Singareni Collieries Company Ltd. (SCCL). In this mine, the highwall was monitored visually and using cyclops.

Optimization of Blasting Parameters of Opencast Mines

mine operators and blasting engineers to achieve a better output at a lower cost of mining. Because modern mines require large amounts of explosives throughout the mine's life, the cost of blasting operation can be significantly reduced by reducing the cost of explosives.

Energy Performance of Loading and Hauling Operations …

Fig 1a Diesel consumption profile in opencast mine of SECL Fig 1b Power consumption in opencast mine of SECL 1.2. Objective Diesel is used as fuel for operating heavy earth moving machines (HEMMs) such as dump trucks, dozers and drills etc. in an opencast mine. The diesel consumption in haul trucks used for hauling operation

INNOVATIONS OF DEEP OPENCAST MINING WITH …

The operating cost of mechanized opencast mines has escalated with an increase in prices of essential inputs, like materials, spares, haul-road maintenance, spiraling wages, and improved welfare ...

Fuel Management Opportunities for Open Pit Mining Operations …

We are no strangers to the mining industry, where our technology is being utilized at opencast mining operations in Northern BC, Ontario, Quebec and in Nunavut. When you need to get precise fuel cost/consumption information to empower you to make better operational decisions, a robust fuel management solution is what you need.

Geochemical characterization of mine overburden strata for …

Opencast coal mining generates a large amount of mine overburden spoils and creates huge overburden dumps in and around the mining area. It is a big issue as most of the overburden materials (OBMs) are unsuitable for vegetation due to lack of true soil characteristics, and are generally contaminated with toxic heavy metals (TMs).

Environmental impact of mining-associated carbon …

The ATB mining activities since 1986 have resulted in a large amount of fuel use over the years (i.e., due to the lack of carbon emission monitoring data in early periods), and from 2008 to 2015, carbon emissions reached 1.87 × 10 6 Mg associated with fuel use. The AJL opencast mine began operations in 2001, and carbon emissions from fuel …

Benchmarking energy consumption for dump trucks in mines

A case study for an opencast mine in India shows a potential fuel savings of 17%. • We examine the effect of payload, speed and mine gradient on fuel consumption. • The model can determine the operating strategy for dump trucks in mine.

COST ESTIMATION FOR OPEN PIT MINES: TACKLING COST …

In this paper, costs in open pit mines are categorized into four groups: (1) capital costs, (2) operating costs, (3) general and administrative (G&A) costs, and (4) …