Accountancy
A contractor plans to use a crawler tractor that is being used to move 5,000 BCY of soil 500 feet horizontally in a 50 minute working hour. The soil has a swell of 15%. The tractor has a straight blade 10 feet long and 4 feet high. The average width of the base of the soil pile in front of the blade has been measured to be about 5 feet. Assume that the tractor travels in first gear forward at 2.2 miles per hour and returns in a second reverse gear at 3.4 miles per hour. The total ownership and operating cost of the tractor is $55.00 per hour. Use a fixed time of 10 minutes. Remember that the tractor will be moving the dirt in its loose state. What is the total estimated cost of moving all of the dirt? Total Cost = Unit Cost X Total LCY to be moved
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(20 points) A D8T crawler D8H crawler tractor with a universal blade is to be used...
(20 points) A D8T crawler D8H crawler tractor with a universal blade is to be used in a slot-dozing operation. The material is dry, non-cohesive silty sand and is to be moved a distance of 250 ft from the beginning of the cut. Dozing is uphill on 4% grade. The operator will have average skill, the tractor will have a power-shift transmission, and both visibility and traction are assumed to be satisfactory. The material weighs 110 pcf in the bank...
7.7 A contractor wants to explore using a 7U blade on a 240 hp dozer. The material is a dry, nonc...
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A contractor works to explore using a 7U blade on a 240 hp dozer. The material...
A contractor works to explore using a 7U blade on a 240 hp dozer. The material is a dry, noncohesive silty sand and must be moved a distance of 200 ft from the beginning of the cut. It is estimated the material will swell 4%, from bank to loose state. Both visibility and traction should be satisfactory. Job efficiency is assumed to be equivalent to a 50-min hour. The U-blade width is 13 ft 1 in with 3.25 ft of...
Can you please solve this one. A contractor wants to explore using a 7U blade on...
Can you please solve this one.
A contractor wants to explore using a 7U blade on a 240 hp dozer. The material is a dry, noncohesive silty sand and must be moved a distance of 200 ft from the beginning of the cut. It is estimated the material will swell 4%, from bank to loose state. Both visibility and traction should be satisfactory. Job efficiency is assumed to be equivalent to a 50-min hour. The U-blade width is 13 ft...
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a contractor wants to investigate th production and cost differences of using a 7S blade on...
a contractor wants to investigate th production and cost
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824 dozer. The material is very sticky and is to be moved a
distance of 200 ft from the beginning of the cut. The dozing is
uphill on a 5% grade. The operator will have average skill, the
dozers have power-shift transmissions, and traction is assumed to
be satisfactory. The site conditions will be good...
on and Volume Change: 10 points An earthwork project has the following conditions: Borrow Site -soil...
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(20 points) A D8T crawler D8H crawler tractor with a universal blade is to be used in a slot-dozing operation. The material is dry, non-cohesive silty sand and is to be moved a distance of 250 ft from the beginning of the cut. Dozing is uphill on 4% grade. The operator will have average skill, the tractor will have a power-shift transmission, and both visibility and traction are assumed to be satisfactory. The material weighs 110 pcf in the bank...
7.7 A contractor wants to explore using a 7U blade on a 240 hp dozer. The material is a dry, noncohesive silty sand and must be moved a distance of 200 ft from the beginning of the cut. It is estimated the material will swell 4%, from bank to loose state. Both visibility and traction should be satisfactory. Job efficiency is assumed to be equivalent to a 50-min hour. The U-blade width is 13 ft 1 in with 3.25 ft...
Can you please solve this one.
A contractor wants to explore using a 7U blade on a 240 hp dozer. The material is a dry, noncohesive silty sand and must be moved a distance of 200 ft from the beginning of the cut. It is estimated the material will swell 4%, from bank to loose state. Both visibility and traction should be satisfactory. Job efficiency is assumed to be equivalent to a 50-min hour. The U-blade width is 13 ft...
a contractor wants to investigate th production and cost
differences of using a 7S blade on a D7H dozer os an S blade on an
824 dozer. The material is very sticky and is to be moved a
distance of 200 ft from the beginning of the cut. The dozing is
uphill on a 5% grade. The operator will have average skill, the
dozers have power-shift transmissions, and traction is assumed to
be satisfactory. The site conditions will be good...
on and Volume Change: 10 points An earthwork project has the following conditions: Borrow Site -soil density is 120 PCF with water content w = 15% Fill Site soil density is 135 PCF with water content w 17 % - Unit weight of water: 8.34 lb per gallon a. How many gallons of water must be added to the borrow per cubic yard and 20 Points ph 4. Dozer Production material pped per hour (9CHd atteched Cat Estinated Ripper Prd...
Questions 21-23 10 points each-30 points total 21. Draw a bar chart for the following construction data Activity Preceding Activity Duration D, E 22. What is the critical path for the above construction data 23. A contractor has been awarded a project covering 14.35 miles of highway construction approximately 250 feet wide, with an average pavement width of 23 feet. The project contracted to be completed in 32 878,545 per mile of road way, profit is 9 % of the...
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