Thanks very much. A good suggestion. Working nights past midnight does make it more difficult to calculate. What I'm working on now is converting the times to numbers ie decimals and using 1- to help calculate the number of hours worked past midnight. To calculate the number of hours worked I used the following formula: =IF(W27>V27,W27-V27,1 ...
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Calculation examples. Rectangular Area with Crushed Gravel (105 lb/ft³) and Price Per Unit Mass; Let's say I need crushed gravel for part of my driveway which measures 4ft long, 2ft wide and 9in (0.75ft) deep. Let's also say that the selected gravel costs $50 per ton.
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Type in inches and feet of your project and calculate the estimated amount of Base Material in cubic yards, cubic feet and Tons, that your need for your project. The Density of Granite Base GAB : 2,410 lb/yd³ or 1.21 t/yd³ or 0.8 yd³/t
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I consider that your unit of Production is Metric Ton. If a worker works for 8 hrs = 1 manday and for 26 days = 26 mandays. Rs. 41600/- / 800 MT = Rs. 52/- will be the cost for per …
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and the circulating tonnage is 2.47 X 300 or 741 tons. A more accurate basis for calculation of tonnage in a grinding circuit is the screen analysis. Samples of the mill discharge, return sand, and the classifier overflow are screen sized, and the cumulative percentages are calculated on several meshes. ... Lbs. per ton = ml per min x sp gr ...
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The profit function can also be formulated in unit values (per ton or cubic meter of ore), by assigning a unit profit function L ′ ($/h), which is given by (2) L ′ = T U V − M − E R − B − F P. In all these variables, there are two geological characteristics, which have great importance: the stripping ratio R and the grade of ore T.It is therefore essential to determine what their ...
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A comprehensive list of wood density and specific gravity values for North American species and for several internationally important species was compiled and incorporated into the machine pile calculation algorithms using data in Miles and Smith (2009).
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This tonnage calculator will help you determine the tonnage of aggregates you will need to cover a particular area and depth. Suppliers usually price the aggregates in terms of weight and tonnage, and this tool will help …
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2 equal phases of 625 tons each; 10% contingency of 125 tons per phase; 5% waste factor of 31 tons per phase; 625 + 125 + 31 = 781 tons per phase; 2 phases of 781 tons each = 1,562 tons; Round up to 1,525 tons; So with the contingencies and waste factors, I would estimate needing around 1,525 tons to complete this lot over 2 phases.
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Stope: 31 tons/manshift (34 short tons/manshift). In order to achieve this productivity, two teams of 2 workers per stope and a nipper are working on rotating 10-hour shift. The teams assigned to a stope are responsible for the breakage, haulage to the …
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The average mechanised mine in India had an out-put of 3.8 tons per man-shift in 2008, while manual mines operate on levels of 0.4 tonnes. In comparison, the United Colliery in Australia …
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The usual practice is to calculate the death rates and injury rates on the basis of: i. 1000 persons employed ii. 3-lakh manshift worked iii. Million ton of coal produced ... per 3 lakh manshift worked can be calculated as below: ...
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Step 3: Calculate the volume in cubic yards. Formula: $$text{Volume} = frac{text{Length} times text{Width} times text{Depth}}{27}$$ Step 4: Convert the volume to tons based on the material. Step 5: Calculate the total cost …
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Example Calculation: Let's calculate the total tons of material for an area of 2 acres with a density of 5 tons per acre.. Apply the formula: T = 2 × 5 = 10 T = 2 times 5 = 10 T = 2 × 5 = 10 tons; So, 2 acres with a density of 5 tons …
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Before calculating manpower, it's essential to have a comprehensive understanding of the entire production process. This includes: Task breakdown: Divide the whole process into individual …
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Factors Affecting Tons Per Square Footage. When calculating the proper tons per square footage for commercial HVAC systems, it's essential to go beyond simple rules of thumb and consider all variables affecting the load:. Heat Load Calculations: External Load: Includes heat gain from solar radiation through windows, walls, and roofs. This depends on the …
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performance parameters Earnings per manshift (EMS) to measure cost paid to an employee for a shift of 8 hours, and Output per manshift (OMS) to measure an employee's output in a shift of 8 hours. The Chief Manager (Finance) of the company has emailed you few information related to the last month.
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Mechanical and Electrical PE Sample Exams, Mechanical and Electrical PE Exam Technical study guides, Mechanical/Electrical design tools, Plumbing design tools and Quality control checklists.
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The speed of the belt needs to be known (Feet Per Minute). You would take the weight of your sample in pounds * FPM of the Belt * 60min / 2000lbs = TPH. For example if your belt is moving 350 fpm and your belt cut weighed 10.5 lbs; 10.5lbs * 350 fpm * …
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Understanding how to calculate tons is crucial for various applications in industry and commerce. Performing this calculation accurately ensures efficient resource management and cost control. Whether you're converting pounds to tons, or calculating the weight in tons of multiple items, precision is key. Simplify Calculations with Sourcetable
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Fill in your project specifications and we'll help you calculate the estimated required material. Dimensions of Your Project. 1 Length (ft) ... Sand/Gravel; Stone; Estimated Tons Needed. Reset Submit For Quote. Thanks, we have …
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AC Capacity = 600 sq ft * 0.0016 tons/sq ft = 1 Ton. In general, for every 600 sq ft, you need 1 ton of AC. This is a general estimate. You can use the 'tonnage per square foot' formula to calculate how many tons of AC you need. Here is the …
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The output per man-shift (o.m.s.) of preoextraction workers varied from 14.8 to 58.2 tons/month. The dependence of the o.m.s, on these parameters was found by multiple correlation …
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Step 4: Calculate the Cost per Kilometre. Now that we have determined the fixed and variable costs, as well as the total distance travelled, we can calculate the cost per kilometre. To do this, add the total fixed and variable costs and divide by the total distance travelled. The resulting figure is the cost per kilometre.
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Step 6: Calculate the tons per foot of advance in the drift as: A A. ρ Vpl = or Wpl = Cv Cw (15) Where: Vpl = Volume of rock per unit length. Wpl = Weight in tons per unit length. A = Cross Sectional area of the tunnel ρ = Rock Density (lbs/ft3 or gr/cm3) Cv = Conversion factor for volume Cw = Conversion factor for weight Step 7: When the ...
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Convert square yards of asphalt to tons. As an asphalt contractor and construction manager for the Army Corps of Engineers, determining asphalt tonnage required for paving projects has been a core skill I've refined over my 25+ years of career. Precisely calculating tons needed based on square yards is crucial for material procurement without waste.
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Calculating Man Hours Per Month. Mathematically, having in mind the formular for calculating man hour expressed above. Recap: Total Man Hour = Total hours work a day per worker x Total number of workers x Total numbers …
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THIS GRAPH shows the fall per manshift of ail employees in New South Wales underground mines since 1938. In the United States over the same period manshift production went up to more than 15 per cent. ...
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Many facilities participating in a stack testing program will have information on the fuel feed rate during the test period and total annual fuel consumption.
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