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rule of thumb mining cost

Evaluating rules of thumb using conveyor costs Canadian

2020-5-1  R ule of thumb No. 4 tells us that the cost of purchasing and installing a long conveyor is roughly equal to the cost of developing the opening through which it will operate. But the term “long” is not defined. For consistency, the authors chose to investigate this rule of thumb

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CostMine analysts investigate 4 rules of thumb using

They chose de la Vergne’s compilation of conveyor cost rules of thumb to assess using Sherpa for Underground Mines. The majority of these rules are echoed below: An underground mine is more economically served by a belt conveyor than railcars or trucks when the daily mine production exceeds 5,000 tons. (Source: Al Fernie)

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Hard Rock Miner's Handbook

2019-5-15  Long before science and engineering evolved, Rules of Thumb constituted the sole body of mining knowledge. In 1891, the Royal Commission on mineral resources in Ontario, Canada stated that we had been “mining by rules of thumb for long enough.” The Royal Commission probably never imagined that over 100 years later we not only continue to employ

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Using the Rule of Thumb Method in Cost Estimating

2 天前  A rule of thumb method in cost estimating is drawn from design or practical experience and it provides a rough guide to come up with quantities during the initial stages of design like the concept or schematic phases. The rule of thumb is a method for developing quick approximate estimates of costs.

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Estimation of the potential production rate

2019-6-28  The half vertical tonnage rule of thumb is used in steeply dipping mechanized vertical deposits. The rule is similar to Taylor's rule as it is based of tonnage, however it uses the average tonnage divided by depth instead. The rule is as follows: Alternatively a

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Process Equipment Cost Estimating by Ratio and

2012-11-30  Approximate costs can be obtained if the cost of a similar item of different size or capacity is known. A rule of thumb developed over the years known as the rule of six-tenths gives very satisfactory results when only an approximate cost within plus or minus 20% is required. An exhaustive search in conjunction with the development (ratio)0.6

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Asset Maintenance Cost Rules of Thumb LGAM

In order to estimate the future lifecycle cost of a new asset or facility it is necessary to estimate the total cost of maintaining the asset or facility over its entire life.. Estimating future maintenance needs from first principles isn't always (if ever) a simple task, so having even a rough idea (rule of thumb) of the relationship (ratio) between replacement cost and average annual

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Cost Estimating Fundamentals and Tricks of the Trade

2012-6-24  exists from recent similar projects. Benchmarking can consist of Rules of Thumb (i.e. $ per ton, packaging line, kwh, person, etc.) that can be applied to your project. !"Squarefoot/Assembly Squarefoot estimates often also occur early in the project, using historical data to determine current cost. Remember, however, to increase for

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Rules of Thumb in Engineering Practice Wiley Online Books

2007-2-23  Only decades of experience allow the compilation of such a guide for engineers the author, Donald R. Woods, possesses them. He is a highly renowned Professor Emeritus and recognized expert from McMaster University, Canada, having received two honorary doctoral degrees in this field as well as being one of the 20 persons which received the Century of Achievement Award for major contributions

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Estimation of the potential production rate

2019-6-28  For the types of mines where Taylor's rule is not applicable, other methods such as Tatman's rule of thumb should be used. References ↑ 1.0 1.1 1.2 Taylor, H.K., 1986, Rates of working mines; a simple rule of thumb: Transactions of the Institution of Mining and Metallurgy, v. 95, section A, p. 203-204. ↑ McSpadden, G.M. & Schaap, W. 1984

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Process Equipment Cost Estimating by Ratio and

2012-11-30  Approximate costs can be obtained if the cost of a similar item of different size or capacity is known. A rule of thumb developed over the years known as the rule of six-tenths gives very satisfactory results when only an approximate cost within plus or minus 20% is required. An exhaustive search in conjunction with the development

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Guide to machinery costs and contract rates

2009-10-12  A rule of thumb for estimating a machine's insurance cost is $10 for every $1,000 of the machine's average value (in other words 1%), but if you know the actual insurance cost for your machine then use that figure instead. Estimated insurance cost/year = av. value ÷ 100 . Depreciation . Depreciation is the decrease in a machine's value over time.

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How we develop Thumb rule for Building Estimations 1

2017-11-2  The Thumb rule is defining as we develop a constant number with our past experience and our field daily work experience. For example 0.2, 0.5, etc.. by multiplying our desire covered area by the thumb rule which we develop for specific quantities we git approx quantities of the material.

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Cost Estimating Fundamentals and Tricks of the Trade

2012-6-24  exists from recent similar projects. Benchmarking can consist of Rules of Thumb (i.e. $ per ton, packaging line, kwh, person, etc.) that can be applied to your project. !"Squarefoot/Assembly Squarefoot estimates often also occur early in the project, using historical data to determine current cost. Remember, however, to increase for

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Real Options and Rules of Thumb in Capital Budgeting

1998-4-24  represents gross cash flows and there is a cost. See Dixit (1989). dCt Ct ’ dt % dZ(t) (1) Vt ’ Ct & (2) 2. The Investment Timing Problem In this section we review the basic investment timing problem and explain how a given rule of thumb may be assessed in this framework. 2.1 The Basic Problem

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Making the grade: understanding exploration

2017-3-24  As a rule of thumb, open pit mining can process ore for $10 per tonne and, where the ore grade is more than double that at $20 per tonne, results would be economic. Consider that 1% of a metric

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(PDF) Scale economies and the "0.6 rule" ResearchGate

It is often used as a rule of thumb to obtain the investment cost of a capacity level V2 given the cost C1 associated with the level of capacity V1. The purpose of this paper is to consider the

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Rule Of Thumb Definition investopedia

Rule Of 18: A rule whereby the sum of the inflation rate and the P/E ratio of the Dow Jones Industrial Average is an indicator of the direction of the stock market. If the total is above 18

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Rules of Thumb in Engineering Practice Wiley Online Books

2007-2-23  Only decades of experience allow the compilation of such a guide for engineers the author, Donald R. Woods, possesses them. He is a highly renowned Professor Emeritus and recognized expert from McMaster University, Canada, having received two honorary doctoral degrees in this field as well as being one of the 20 persons which received the Century of Achievement Award for major contributions

get price

Guide to machinery costs and contract rates

2009-10-12  A rule of thumb for estimating a machine's insurance cost is $10 for every $1,000 of the machine's average value (in other words 1%), but if you know the actual insurance cost for your machine then use that figure instead. Estimated insurance cost/year = av. value ÷ 100 . Depreciation . Depreciation is the decrease in a machine's value over time.

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ADR Rule of Thumb Pennsylvania State University

2005-2-23  commonly used valuation rule of thumb that ho-tels should generate $1 in ADR per $1,000 in value per room. That technique is also referred to as the $1-per-$1,000 method, 1 the building-cost-rate formula, 2 the general rule-of-thumb method for determining room rates,3 and the ADR rule-of-thumb approach. I have seen no empirical evi-

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Rules of Thumb US EPA

2021-6-25  0 years (typically no retail cost premium) Multifunction Devices . April 2007 : 20% . 0 years (typically no retail cost premium) Printers, fax machines, and mailing machines . April 2007 : 15% . 0 years (typically no retail cost premium) Scanners . April 2007 : 50% . 0 years (typically no retail cost

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Making the grade: understanding exploration

2017-3-24  As a rule of thumb, open pit mining can process ore for $10 per tonne and, where the ore grade is more than double that at $20 per tonne, results would be economic. Consider that 1% of a metric

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The Rule of Thumb for Pricing Marginal Revenue

2021-1-8  The Rule of Thumb for Pricing. In the previous section, we used equation (10.2) to compute price as a simple markup over marginal cost: This relationship provides a rule of thumb for any firm with monopoly power, if we remember that Ed is the elasticity of

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(PDF) Scale economies and the "0.6 rule" ResearchGate

It is often used as a rule of thumb to obtain the investment cost of a capacity level V2 given the cost C1 associated with the level of capacity V1. The purpose of this paper is to consider the

get price

Cost Estimating Fundamentals and Tricks of the Trade

2012-6-24  exists from recent similar projects. Benchmarking can consist of Rules of Thumb (i.e. $ per ton, packaging line, kwh, person, etc.) that can be applied to your project. !"Squarefoot/Assembly Squarefoot estimates often also occur early in the project, using historical data to determine current cost. Remember, however, to increase for

get price

Real Options and Rules of Thumb in Capital Budgeting

1998-4-24  represents gross cash flows and there is a cost. See Dixit (1989). dCt Ct ’ dt % dZ(t) (1) Vt ’ Ct & (2) 2. The Investment Timing Problem In this section we review the basic investment timing problem and explain how a given rule of thumb may be assessed in this framework. 2.1 The Basic Problem

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Manual Techniques, Rules of Thumb UZH

2006-10-12  Manual Techniques, Rules of Thumb Function Point Sizing Rules of Thumb Rule 2 Sizing Software Plans, Specifications, and Manuals: Function points raised to the 1.15 power predict approximate page counts for paper documents associated with software projects. • Software development is very paper intensive.

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Rules of Thumb in Engineering Practice Wiley Online Books

2007-2-23  Only decades of experience allow the compilation of such a guide for engineers the author, Donald R. Woods, possesses them. He is a highly renowned Professor Emeritus and recognized expert from McMaster University, Canada, having received two honorary doctoral degrees in this field as well as being one of the 20 persons which received the Century of Achievement Award for major contributions

get price

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