• 3. CALCULATION OF MACHINE RATES fao

    For equipment that works very few hours per day, the derived equipment lives may be very long and local conditions should be checked for the reasonableness of the estimate. This is defined as the price that equipment can be sold for at the time of its disposal.

  • 3 STUDIES ON AVAILABILITY AND UTILISATION OF MINING

    The production performance of mining equipment depends on its availability and utilization. Hence it is necessary to determine the percentage availability and utilization of machinery with an aim to improve the same. Different mines are following different terms and maintaining different information. The only common information in most of the mines is the working hours of shovels. There is a need to develop

  • OPTIMIZATION OF LOAD HAUL DUMP MINING SYSTEM BY OEE

    Mining is a very capital-intensive industry, and it is known fact that the equipment utilization and accurate estimation is very important. Presently in India 70-80% production of minerals comes from the

  • Calculate OEE Definitions, Formulas, and Examples OEE

    OEE is improving. Great job! Or is it? Dig a little deeper and the picture is less clear. Most companies would not want to increase Availability by 5.0% at the expense of decreasing Quality by 4.5%.

  • how to calculate Overall Equipment Effectiveness (OEE)

    2 “How to calculate Overall Equipment Effectiveness (OEE)” Table of Contents Intro TPM basics Traditional TPM and today’s TPM 3

  • BREAK-EVEN ANALYSIS OF MINING PROJECT ethesis

    break-even analysis of mining project a thesis submitted in partial fulfillment of the requirements for the degree of bachelor of technology in mining engineering by faraz ahamad (10605034) hemant kumar chauhan (10605037) under the guidance of prof. b. k. pal department of mining engineering national institute of technology rourkela-769008 april 2010. break-even analysis of mining project a thesis

  • Tracking Production Downtime in Excel: Free Template &

    Downtime (documented in minutes, hours, etc.) Action taken (comments on the action taken, which can be used to develop a corrective action plan ) To make it easier to enter data into this Excel spreadsheet, create separate worksheets to store the lists that will be become drop down options on the log.

  • BREAK-EVEN ANALYSIS OF MINING PROJECT ethesis

    break-even analysis of mining project a thesis submitted in partial fulfillment of the requirements for the degree of bachelor of technology in mining engineering by faraz ahamad (10605034) hemant kumar chauhan (10605037) under the guidance of prof. b. k. pal department of mining engineering national institute of technology rourkela-769008 april 2010. break-even analysis of mining project a thesis

  • How to Calculate Overall Equipment Effectiveness: A Practical

    02-08-2013· The calendar hours or calendar time are the sum of operative mode activities and potential mode activities that make up a week (10,080 minutes) or month (average 43,800 minutes) or defined period in which the asset as a functioning production element exists in the plant.

  • Maintenance Management KPI’s Mineral Processing &

    Equipment Down Time Delays Definition: The “Equipment Down Time Delay” shows what percent each delay line item contributed to the total downtime. The performance measurement is the line item summary of the total amount of equipment or machinery downage expressed as a percentage of total delay hours.

  • Operational Analysis of Mining Equipment in Opencast Mine

    Where TH is Total Hours, DT is Down Time Hours and IT is idle time. Performance The performance of the equipment is dependent on propel time, Idling and Minor stoppages due to Job

  • How to Calculate Equipment Downtime Maintenance Connection

    29-01-2018· ⇒ Number of hours of downtime: The number of hours of downtime expected. Now that you know how much costly downtime can be, head over to Software Advice’s recent blog article to read more about the tools that can help you minimize it.

  • Mining Equipment Costs InfoMine

    Mining Equipment Fleet 10,000 tonne per day (ore + waste) open pit mine The following listings of equipment capital and operating costs are taken directly from the current Mining Cost Service Manual and Mine and Mill Equipment Cost Estimator's Guide .

  • How to Calculate Man Hours: 11 Steps (with Pictures) wikiHow

    29-03-2019· (1000 project hours / 20 work days in the month = 50 hours per day; 50 hours per day / 8 hours per worker = 6.25 laborers needed.) [2] Round the number of laborers up or down to a whole number, and adjust accordingly the number of workdays required.

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  • Cost Models of Theoretical Mining Operations CostMine

    Each of the models is developed from first principles based on typical mining criteria for rock densities, swell factors, drill penetration rates, etc. Industry-standard estimating methods are used for equipment selection, personnel allocation, and cost estimation. These models are invaluable for early order- of-magnitude estimates.

  • MTBF and MTTR calculator world-class-manufacturing

    Assuming 6 hours to remove and replace the engine (MTTR), Mean Time Between Failures is 150 hours. Like automobiles, most manufacturing equipment will be repaired, rather than replaced after a failure, so Mean Time Between Failures is the more appropriate measurement.

  • Cost Models of Theoretical Mining Operations CostMine

    Each of the models is developed from first principles based on typical mining criteria for rock densities, swell factors, drill penetration rates, etc. Industry-standard estimating methods are used for equipment selection, personnel allocation, and cost estimation. These models are invaluable for early order- of-magnitude estimates.

  • Overall equipment effectiveness Wikipedia

    Overall equipment effectiveness (OEE) is a term coined by Seiichi Nakajima in the 1960s to evaluate how effectively a manufacturing operation is utilized. It is based on the Harrington Emerson way of thinking regarding labor efficiency.

  • KEY PERFORMANCE INDICATORS plant-maintenance

    requires the equipment to be shut down. A review of production schedules is required. Resources are attached to a specific work schedule. The use of resources is balanced out. In the Execution process, trained, competent personnel carry out the required work. The Follow-up process responds to information collected in the execution process. Work order completion comments outline what was done and what

  • Downtime Wikipedia

    The term downtime is used to refer to periods when a system is unavailable. Downtime or outage duration refers to a period of time that a system fails to provide or perform its primary function.

  • Glossary of Mining Terms SEC.gov

    Continuous miner A piece of mining equipment which produces a continuous flow of ore from the working face. Controlled blasting Blasting patterns and sequences designed to achieve a particular objective.

  • Availability, Reliability, Maintainability, and Capability

    Availability, reliability, maintainability, and capability are components of the effectiveness equation. The effectiveness equation is a figure of merit which is helpful for deciding which component(s) detract from performance measures. In many continuous process plants the reliability component is the largest detractor from better performance. Calculation of the components are illustrated by use of a small

  • pwc.au Productivity and Cost Management

    Improving equipment utilisation increases productivity Total time (8760 hours) Scheduled time (Loading %) Available time etc and unplanned maintenance down time) Operating time Loss Effective operating time Loss Loss Loss 1 Loss 2 Loss Actual effective production time Scheduled non-operating time (holidays, etc) Non-available time (planned maintenance, servicing, Non-operating time within

  • Best Practice In High Availability & Downtime Calculation

    26-10-2015· Translating the ‘Uptime’ duration of 99% in hours, minutes and seconds in a year, we find that the system can remain out of service for more than 87 hours, which means more that 3 days in a

  • TECHNICAL CALCULATION AND ESTIMATOR'S MAN-HOUR

    needed, an ability to assess and estimate, and ev en the cour age to write down the technical quantities and figures. That was the r eason f or collecting v arious technical bibliogr aphy, standards, catalogues, man hours and r ates from

  • Underground Mining Methods and Equipment

    section describes underground mining equipment, with particular focus on excavation machinery such as boomheaders, coal cutters, continuous miners and shearers. 1. Underground Mining Methods 1.1. Classification of Underground Mining Methods Mineral production in which all extracting operations are conducted beneath the ground surface is termed underground mining. Underground mining

  • South Africa could do more for miners, says ILO mining specialist

    24-08-2012· The mining industry has been booming in South Africa over the last few years. According to a government report from 2008, about 2.7 per cent of the economically active population was employed in this sector.

  • A 2 Step Simple & Accurate Bitcoin Mining Calculator (2019

    Still, stay alert to advances in mining technology and efficiency to get a better idea of how the network’s hash rate and difficulty may look down the line. 1.5 Bitcoin Price Bitcoin’s price is extremely volatile and thus can’t be predicted.

  • Bitcoin Profitability Calculator BTC Mining Profit Calculator

    The Mining Factor 100 is the value in USD of the bitcoins you can generate if you let a 100MHash/s miner run for 24 hours. If the Mining Factor 100 rises above $2 or so everybody buys mining equipment and thus increases difficulty. If it falls people will stop mining eventually. The estimate starts with the current Mining Factor and decreases it exponentially such that the decrease accounts for the

  • Hard Rock Miner's Handbook Stantec

    Hard Rock Miner’s Handbook is a work of the heart. Jack—whose 40+ year career spanned Jack—whose 40+ year career spanned engineering, construction, and operation of mining projects worldwide—conceived of and wrote the first edition of the

  • Productivity in mining Ernst & Young

    Labor productivity in the mining industry has been declining rapidly around the world. In the US coal sector, for example, labor productivity declined by an average of 27.5% from 2009 to 2012.

  • SURFACE MINING Adobe

    The majority of surface mining equipment in the world comes from one company: Caterpillar. And for good reason. Cat® equipment is designed to lower cost per

  • Bitcoin is down after China signals it wants to ban bitcoin mining

    09-04-2019· Bitcoin is down after China signals it wants to ban bitcoin mining (XBT) Theron Mohamed. Apr. 9, 2019, 11:18 AM. Reuters/Dado Ruvic. Bitcoin slid 2% after China's state planner added bitcoin

  • Written-Down Value Definition Investopedia

    10-05-2019· Written-down value is a method used to determine a previously purchased asset's current worth and is calculated by subtracting accumulated depreciation or amortization from the asset's original value.

  • OEE Calculation Overall Equipment Effectiveness Calculation

    OpEx OEE (Operational Excellence Overall Equipment Effectiveness) is a Business Metric commonly used by the world's leading Manufacturers to increase capacity, reduce costs and drive continuous improvement.

  • Mine maintenance the cost of operation

    mining industry, both costs and equipment reliability have one significant thing in common -they are driven ~;ubstantially by maintenance. ]~aintenance, once the Cinderella of the boardroom, is a pivotal 'function and demands management attention and, if

  • Authors: O Krellis · T SingletonAffiliation: University of Wollongong