Jun 12, 2018· (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.) Round the number of laborers up or down to a whole number, and adjust accordingly the number of …


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Share on Facebook, opens a new window Share on Twitter, opens a new window Share on LinkedIn Share by email, opens mail client Cutting and dozing of 100000 cum. of earth having average height 0.75 m. Transportation of 5000 cum. earth, 3 km. away from site (Spreading & leveling) Bringing in 2000 cum ...


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Productivity Guide: Excavators 45 to 50 ... into the places you need to work or because it's out ... class have the ability to move more material per hour, ...


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Excavation & backfill is usually performed by specialized contractors because the work requires specialized equipment Some general contractors may, instead of subcontracting, perform the work on their


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Wet earth or sandy clay may be hauled with a slope of about 1: 1 Dry sand or gravel may not permit a slope greater than about 3:1. CHAPTER 10. TRUCKS AND HAULING EQUIPMENT ENCE 420 ©Assakkaf Slide No. 33 PERFORMANCE PERFORMANCE CAPABILITIES OF TRUCKS The productive capacity of a truck or wagon depends on the size of its load and the number of trips it can make in an hour…


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percent of scraper load capacity is achieved in the first 0.5 minute of loading. Another 0.5 minute will only produce about another 12 percent increase in fm 5-434


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JCB India is leading earth moving equipment and heavy Machinery manufacturing company in India. JCB is the manufacturer and supplier of heavy ... JCB LiveLink - Work ...


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Prior to the rain, the site may be dry, heavy equipment efficiently moving earth, the other trades smoothly performing their work. Within hours the project can be a sloppy, mud-hole with worker efficiency cut to about 10%. In many cases, the change comes mostly from poor planning. In most areas of the world, the Construction Supervisor must ...


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Rate analysis of excavation in earthwork is the measure of ... of Excavation in Earthwork -Calculate Cost ... based on their capacity per day (8 hours of work).


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The Poclain Hydraulic Excavator . One of the first hydraulic excavators, the TU, was produced in 1951 by Poclain in France. A departure from excavators which transmitted their digging power by the use of cables and winches, it employed a …


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Use the formula from Step 1 to calculate excavator productivity. For instance, if the capacity of each rotor bucket is 10 cubic feet, the wheel has only one bucket, the rotor rotates at a speed of 5 rotations per minute, and the filling factor and the soil loosening factor are one, the productivity of the excavator stands at:


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how much cu.m of earth can excavated by machine per day ... will excavate around 30-40 Cum per Hour and in ... The outer shell of the earth called lithosphere ...


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Mar 06, 2008· If you are really able to push them consider one tank per 8 hours. Fuel consumption CANNOT be stated as a given as a general stated burn rate...I do not care what your salesman tells you about XYZ machine!!! While there are slight differences in the rated fuel burn per HP/ hour as rated by the engine manufacturer, it all comes to …


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CHAPTER 4 COST OF CONSTRUCTION LABOR AND EQUIPMENT Construction labors influence every part of a project. They operate equipment and fabricate and install materials. Detailed estimate requires the breakdown of project costs into the labor, material and equipment costs. Thus type of estimate need to have a design available …


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The first hour rating is the number of gallons of hot water the heater can supply per hour (starting with a tank full of hot water). It depends on the tank capacity, source of heat (burner or element), and the size of the burner or element.


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Estimating Bucket Capacity Volume = Cross Sectional Area x Length We all know that the volume is calculated by multiplying Width x Height x Length or Area of the end x Length.But what if the area is not a simple geometric shape, or in the case of Heavy Equipment Buckets, how do you define the shape for the volume to be calculated?


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Jun 30, 2018· Dividing $10,000 by 200 man-hours equals $50, meaning each worker was responsible for $50 per hour as a result of the work done. If the business owner only paid his workers $30 an hour, he has a positive difference of $20 an hour per worker that helps establish the profitability of the project.


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Mfar Constructions Pvt. Ltd. 118839204.xlsx. ms_office 1.00 EARTH WORK EXCAVATION Output Per Day(8 Hours) Sl.No Description of item Unit Skilled


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Total surface area of the earth is 5.1 x1014 m2 Total amount of sun's energy per year over all earth is 1.1 x 1025 J/year… we need to reduce this in half as


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Velocity (change in position divided by time) is the most common type of rate calculated in the geosciences and is commonly expressed in kilometers per million years, cm per year, km per hour, cm per second, etc.


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JCB/Poclain Poclain These machineries are used for various earthwork puposes such as excavation of earth and loading etc. its excavating …


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How to calculate productivity of construction equipment ... capacity per hour = 165*0.92 ... performance efficiency=0.83 if 50 minutes work is done in one hour. 4) ...


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The ability to do work the capacity to exert a force over a distance a systems energy can be measured in joules or food pounds Power The rate at which work is done or energy is expanded the amount of work done divided by the time it takes to do it. Power is measured in watts in the metric system horse power in english


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The output of a single-bucket excavator with a bucket capacity of 1 cu m ranges from 100,000 to 350,000 cu m per year, or from 80 to 180 cu m/hr. Such machines are used for excavating any type of earth, including very hard and inhomogeneous earth containing large, solid inclusions. When used to work softer earth, they can be equipped with buckets of larger capacity. Hard rock and frozen earth ...


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CHAPTER 5 ESTIMATING WORK ITEMS COSTS, IDIRECT COSTS, MARKUP AND CONTRACT PRICING ... earth work operation, the soil is excavated from its natural state, placed in a hauling unit . Cost Estimating 98 Dr. Emad Elbeltagi and transported to the disposal area, where it is distributed and compacted. For example, one cubic …


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Wheel Tractor-Scrapers have the power, traction, and speed for reliable output in a variety of applications. Scraper options include single- and tandem-engine open bowls, tandem engine push-pulls, elevators, and auger arrangements.


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Work, Energy and Power. The Basics What is Work? ... Based on the fact that natural gas costs $4.87 per thousand cubic feet and residual fuel oil costs $28.30 per barrel, determine if you should switch to residual fuel oil or remain on natural gas. (To check your answer, place your mouse over Mozilla.) ...


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EARTHMOVING PLAN ... The working ability, generally shown by working volume per hour and is expressed as the following basic formula. ... Working capacity per day (QD) and during term (Qy) are shown as following. QD = Q x TD ...


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