Fundamentals Of Construction Estimating
4th Edition
ISBN: 9781337399395
Author: Pratt, David J.
Publisher: Cengage,
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Question
Chapter 4, Problem 1RQ
To determine
The difference in measuring the excavation and the measurement of other trade work.
Expert Solution & Answer
Explanation of Solution
Measurement of the excavation work is different from many of the trade works because of the following reasons:
- The bid drawings do not offer the proper specifications of the site work operations. The drawings only provide the details regarding the new construction of the project and not the current status of the site.
- The most important point is that the dimensions of the foundations are well defined in the drawing but absolutely nothing is disclosed regarding the dimensions of the excavation work.
- It is advised in the "Instruction to Bidders" that the contractors should be knowledgeable about the present situation of the site.
- The estimator must make an assessment report of the excavation, from data in specifications and drawings; from site visit information, etc. The estimator is advised to make a checklist of the items to be considered on a site visit as the site conditions would influence the pricing of many things in the estimate.
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Chapter 4 Solutions
Fundamentals Of Construction Estimating
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.Similar questions
- What do you mean by Keep the horizontal width of the excavation to make sure that work activity would not vibrate the soil while workers are in the trench? Cite some examples as well.arrow_forwardDescribe the construction process for over-excavation of a building:arrow_forwardWhat is shovel productivity? What is factored into shovel productivity?arrow_forward
- Be aware of the problems that may occur during excavation and techniques to control themarrow_forwardTopic: Quantity surveying 2.) The geometric method breaks the excavation into geometric shapes and calculates the volume for each of the shapes. true or false 3.) The data needed in estimating the roofing material are their effective widths and length in which they are available in the market. true or false 4. Because most equipment is not used on a project for an entire year, the costs must be converted to an hourly, weekly, or monthly cost. true or falsearrow_forwardCalculate the tender rate per bank cubic meter for an excavation of a trench given:• Hire cost = R800 per hour, including owning costs• Fuel Consumption = 4 l/h of Diesel fuel at R15/h• Scoop capacity is 35 banks m3/h• Operating factor = 0.8• Dimensions of trench: 10m x 3m• Operator earns R40.41/h• Head office overheads = 30%• Site overheads = 20%• Profit margin factor = 0.045• Contractor has perceived no risk on this operationarrow_forward
- Explain the principles of precompression that is used to eliminate post construction settlement problem.arrow_forward2– Underground mining techniques includearrow_forwardIf you were asked to perform an excavation contract competitivelywith limited boring data, what type of contract would you want and why?arrow_forward
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