of equipment such as excavators or haul units must be modified by an appropriate factor based on the type of material and equipment involved. Capacity Maximum capacity Minimum capacity Nominal capacity
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- underwhat condition would you preferborrowing new materials from a borrow pit for highwayembankmentA project to move packed earth requires you to decide whether to usea dozer/scraper operation or excavator/truck operation. Determinethe most economical operation based on the dozer/scraper operationestimated at $1.25/cy. All equipment carries a rated heaped capacity, hasa fill factor of 100%, and works 45-min hours. Excavator costs $95/hr（including operator), cycle time is 0.28 min, and bucket heaped capacityis 5.0 cy. Truck costs $150/hr.(including operator), dump time is 0.5 min（maneuver, dump, turn), heaped capacity is 31.7 cy, and 12 trucks areavailable for the project.Hauling equipment operates in one directionfrom A to B to C and finally to D. Section Load Length (ft) Speed (mph) A full 3000 9B full 2500 17C empty 3000 36D empty 3000 16An excavator was able to load a truck in 2 minutes and additional 30 seconds for the positioning of the truck. The hauling time, dumping time, and return time of the truck is about 25mins. What is the equipment utilization of the excavator if there are only eight trucks available during the loading operations?
- Given the following information, determine the cost of excavation, the number of loads required toremove the material and how many days it will take to complete the job.o 5225m3 of material is to be excavatedo Equipment cost is $280/houro Operator cost is $55/houro Equipment can remove 55m3/houro Assume 20% swell in soil when excavated for removal off siteo Trucks can carry 10m3o Work 10hr daysA hydraulic excavator was able to load a truck in 2 minutes and additional 30 seconds for the positioning of the truck. The hauling time, dumping time, and return time of the truck is about 25mins. What is the equipment utilization of the excavator if there are only eight trucks available during the loading operations? complete solutionIn a certain portion of a road construction, the following data were taken; Cost of haul = P30 per cu. m per station Cost of borrow = P360 per cu. m. Using a free haul distance of 60m, A) Compute the length of the Economical Haul. B) Calculate the Cost of Excavation.
- Don't copy and paste from Internet what is profitable haul analysis please explain it in detail thank youThe mass ordinates at the initial point ( sta 0+000) of a mass diagram is 50 cu m ,and at the last station (0+280) is - 200 cu m .If the length of economical haul is plotted horizontally to intersect the ( summit ) the mass diagram at a point having a mass ordinate of 120 cu m .The length of economical haul is 250 m long, compute the volume of borrowSolve this ! Explain the eqations used
- Briefly discuss the advantages of preloading methods?An excavator bucket has a heaped capacity of 6.2 CY and a bucket fill factor of 0.85. What is the bucket capacity?a. 5.35 CY b. 6.1 CY c. 7.3 CY d. 5.27 CYWhat is the approximate optimum hourly production rate for a wheeled backhoe filling hauling units? Struck capacity for the bucket is 6 loose cubic feet and the bucket fill factor is 110%,. The cycle time is 2 minutes, the soil type is moist loam with a 25% swell factor.