formula for down hours on mining equipment

What is Machine Utilization formula? - AnswersIt refers to the extent that you are using a machine efficiently and it can be found by the formula as follows U=(t*AP)/h where U=machine utilization t=machining time .TECHNICAL CALCULATION AND ESTIMATOR'S MAN-HOUR .the elements that might hav e any influence on them. Only when the relev ant man hours are estimated and selected, a computer can be used. A sa ying "S witch on your b rain bef ore switching on the compu ter " should be f ollowed. The most complex work in developing these man hours was the work on the man hours f or piping abov e ground. A

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3 STUDIES ON AVAILABILITY AND UTILISATION OF MINING ...MINING EQUIPMENT- AN OVERVIEW ... To sum up, there is a necessity to lay down on systematic basic, well defined terms, factors and indices required for control and management of mining equipment. ... Number of scheduled-shift-hours in a year for equipment operation is taken as total shiftHow to Calculate Workplace Productivity | SmartsheetHere is a formula to replicate this approach for your own organization: Number of teams in your organization X weekly productivity gain for team in hours X number of weeks per year excluding vacation X average hourly rate X percentage of utilization annually = increased productivity before risk adjustmentRepair or Replace Equipment? Important Factors to ConsiderIf you're on an extremely tight schedule and if the equipment is crucial to your process, you may lose too much in production if you take the time to replace. 5. Consider Safety. Remember that older equipment can cause injury to workers if it malfunctions. Even if you stay up to date on maintenance, equipment wears down .

Calculating Downtime During Hours of Operation [SOLVED]

May 01, 2018· Hi All, I'm looking for assistance to help calculate incident down time relative to the hours of business operation. Incident downtime is only calculated during the business hours with the incident suspending outside of the contracted business hours. Using the forum threads I was able to identify a formula to calculate downtime during a standard business day Monday to Friday (8.5hrs x 5 days ...MTBF and MTTR calculatorThe automobile in the earlier example is available for 150/156 = 96.2% of the time. The repair is unscheduled down time. With an unscheduled half-hour oil change every 50 hours – when a dashboard indicator alerts the driver – availability would increase to 50/50.5 = 99%.How Much Does a Heavy Equipment Breakdown Cost You? - .Nov 29, 2017· Construction projects require good management to be successful. Project managers must deal with any number of problems that occur in the regular day-to-day organized chaos of a project site. Unexpected equipment breakdowns are one of those problems. In addition to impacts on project timelines, there is the expense of replacement equipment .Equipment selection - QueensMineDesignWikiThe equipment selection process for an underground mine design plan has an extremely wide scope as there are a myriad of parameters to consider when incorporating mobile and stationary equipment in hard or soft rock mining applications. This article primarily focuses on the initial selection of mobile equipment in hard rock mining operations.(PDF) Performance Measurement of Mining Equipmentto the development o f mining equipment", The mining engineer, 142(250), 95 -103, 1983. [25] Vagenas N., Kumar U. and Ronnkvist E., "Analysis of truckTracking Production Downtime in Excel: Free Template ...Jul 21, 2014· In process industries if a chain of machines run without any problem for several hours then a stage comes for the final equipment deliver the finished product. Often paper industry is quoted as an example. If a machine breaks down like case1, the finished paper .What is utilization? definition and meaning ...utilization: The proportion of the available time (expressed usually as a percentage) that a piece of equipment or a system is operating. Formula: Operating hours x 100 ÷ available hours.Glossary of Mining Terms - Coal EducationA. Abutment - In coal mining, (1) the weight of the rocks above a narrow roadway is transferred to the solid coal along the sides, which act as abutments of the arch of strata spanning the roadway; and (2) the weight of the rocks over a longwall face is transferred to the front abutment, that is, the solid coal ahead of the face and the back abutment, that is, the settled packs behind the face.

How to Calculate Total Cost of Ownership

Since $163,000 – $62,000 = $101,000, pump B costs $101,000 less than Pump A.The price gap becomes wider with every variable that you add, giving you a clear choice for cost value. Some cost .Performance Measurement of Mining Equipments by Utilizing .This paper will discuss the application of OEE to measure effectiveness of mining equipment. It identifies causes of time losses for shovel and truck operations and introduces procedure to record time losses. The procedure to estimate OEE of shovels and trucks has ... Total time 720 hours (720 – 48-72) =600 hours3 Ways to Calculate Equipment Value, According to USPAP ...Jul 30, 2015· In some cases, an equipment appraiser might be able to find comparable sales of like equipment with the same manufacturer, year and model number. In other cases, sales or listing information on similar items would be adjusted to reflect age, condition and other pertinent factors of the actual equipment .Efficiency Formula: Calculate Operator Efficiency and Line ...Jan 19, 2017· Efficiency % = (Total minutes produced X 100)/(Total hours worked X 60) In the above formula, 60 is multiplied to convert hours into minutes and 100 is multiplied to express in percentage. In the second formula, instead of calculating minutes, we are considering produced garment as output and production target for the given hours as input. the ...Design of Surface Mine Haulage Roads - A Manualsafety for all other surface mining equipment. Extensive engineering data for all makes and models of large off-the-road haulage vehicles was solicited from ... The points for each of the various curves have been derived using the formula .

Process Equipment Cost Estimating by Ratio and Proportion

= the approximate cost ($) of equipment having size S B (cfm, Hp, ft 2, or whatever) C A = is the known cost ($) of equipment having corresponding size S A (same units as S B), and S B /S A is the ratio known as the size factor, dimensionless. (ratio)0.6Influencing Mining Equipment Performance Through ...Influencing equipment performance through maintenance metrics Successful sites use key measurements to improve availability. The primary deliverable for any mine maintenance organization is available hours that the operations department can use to meet its production goals.How to Calculate and Improve System Availability | FiixJul 18, 2019· Here's an example of the system availability formula in action: One of your top production assets ran for 100 hours last month. The asset broke down twice during the month, and it took one hour to repair each time. The asset was also shut down for eight hours in a month for routine inspections.

Mining Cost Service - Costmine

Mining Cost Service is the industry standard reference for Mining Cost Estimation. This system places cost estimating data at your fingertips with conveniently indexed information to make your cost estimates faster, easier, and more credible. Monthly updates assure that .Determining Equipment Costs Per Hour - How to Calculate ...Apr 17, 2012· Equipment cost-per-hour rates are calculated by adding together three (3) distinct pieces of information. Watch this video to learn how to calculate the cost of your equipment.Machine Hours Rate: Formula and Calculation (With ...(1) Total working hours per annum are 200 x 12 = 2,400. (2) Loading and unloading time is 10% of machine time. (3) Effective working hours are 2,160 hours (2,400 – 10% of 2,400). (4) It is assumed that there is no consumption of electricity during loading and unloading time. (5) Interest has been treated as an element of cost.3. CALCULATION OF MACHINE RATESFor 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. 3.3.3 Salvage Value (S) This is defined as the price that equipment can be sold for at the time of its disposal. Used equipment rates vary widely throughout the world.

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